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Filename : jquery.jqplot.js
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/**
 * Title: jqPlot Charts
 * 
 * Pure JavaScript plotting plugin for jQuery.
 * 
 * About: Version
 * 
 * version: 1.0.9 
 * revision: d96a669
 * 
 * About: Copyright & License
 * 
 * Copyright (c) 2009-2016 Chris Leonello
 * jqPlot is currently available for use in all personal or commercial projects 
 * under both the MIT and GPL version 2.0 licenses. This means that you can 
 * choose the license that best suits your project and use it accordingly.
 * 
 * See <GPL Version 2> and <MIT License> contained within this distribution for further information. 
 *
 * The author would appreciate an email letting him know of any substantial
 * use of jqPlot.  You can reach the author at: chris at jqplot dot com 
 * or see http://www.jqplot.com/info.php.  This is, of course, not required.
 *
 * If you are feeling kind and generous, consider supporting the project by
 * making a donation at: http://www.jqplot.com/donate.php.
 *
 * sprintf functions contained in jqplot.sprintf.js by Ash Searle:
 * 
 *     version 2007.04.27
 *     author Ash Searle
 *     http://hexmen.com/blog/2007/03/printf-sprintf/
 *     http://hexmen.com/js/sprintf.js
 *     The author (Ash Searle) has placed this code in the public domain:
 *     "This code is unrestricted: you are free to use it however you like."
 * 
 * 
 * About: Introduction
 * 
 * jqPlot requires jQuery (1.4+ required for certain features). jQuery 1.4.2 is included in the distribution.  
 * To use jqPlot include jQuery, the jqPlot jQuery plugin, the jqPlot css file and optionally 
 * the excanvas script for IE support in your web page:
 * 
 * > <!--[if lt IE 9]><script language="javascript" type="text/javascript" src="excanvas.js"></script><![endif]-->
 * > <script language="javascript" type="text/javascript" src="jquery-1.4.4.min.js"></script>
 * > <script language="javascript" type="text/javascript" src="jquery.jqplot.min.js"></script>
 * > <link rel="stylesheet" type="text/css" href="jquery.jqplot.css" />
 * 
 * jqPlot can be customized by overriding the defaults of any of the objects which make
 * up the plot. The general usage of jqplot is:
 * 
 * > chart = $.jqplot('targetElemId', [dataArray,...], {optionsObject});
 * 
 * The options available to jqplot are detailed in <jqPlot Options> in the jqPlotOptions.txt file.
 * 
 * An actual call to $.jqplot() may look like the 
 * examples below:
 * 
 * > chart = $.jqplot('chartdiv',  [[[1, 2],[3,5.12],[5,13.1],[7,33.6],[9,85.9],[11,219.9]]]);
 * 
 * or
 * 
 * > dataArray = [34,12,43,55,77];
 * > chart = $.jqplot('targetElemId', [dataArray, ...], {title:'My Plot', axes:{yaxis:{min:20, max:100}}});
 * 
 * For more inforrmation, see <jqPlot Usage>.
 * 
 * About: Usage
 * 
 * See <jqPlot Usage>
 * 
 * About: Available Options 
 * 
 * See <jqPlot Options> for a list of options available thorugh the options object (not complete yet!)
 * 
 * About: Options Usage
 * 
 * See <Options Tutorial>
 * 
 * About: Changes
 * 
 * See <Change Log>
 * 
 */

(function($) {
    // make sure undefined is undefined
    var undefined;
    
    $.fn.emptyForce = function() {
      for ( var i = 0, elem; (elem = $(this)[i]) != null; i++ ) {
        // Remove element nodes and prevent memory leaks
        if ( elem.nodeType === 1 ) {
          $.cleanData( elem.getElementsByTagName("*") );
        }
  
        // Remove any remaining nodes
        if ($.jqplot.use_excanvas) {
          elem.outerHTML = "";
        }
        else {
          while ( elem.firstChild ) {
            elem.removeChild( elem.firstChild );
          }
        }

        elem = null;
      }
  
      return $(this);
    };
  
    $.fn.removeChildForce = function(parent) {
      while ( parent.firstChild ) {
        this.removeChildForce( parent.firstChild );
        parent.removeChild( parent.firstChild );
      }
    };

    $.fn.jqplot = function() {
        var datas = [];
        var options = [];
        // see how many data arrays we have
        for (var i=0, l=arguments.length; i<l; i++) {
            if ($.isArray(arguments[i])) {
                datas.push(arguments[i]);
            }
            else if ($.isPlainObject(arguments[i])) {
                options.push(arguments[i]);
            }
        }

        return this.each(function(index) {
            var tid, 
                plot, 
                $this = $(this),
                dl = datas.length,
                ol = options.length,
                data, 
                opts;

            if (index < dl) {
                data = datas[index];
            }
            else {
                data = dl ? datas[dl-1] : null;
            }

            if (index < ol) {
                opts = options[index];
            }
            else {
                opts = ol ? options[ol-1] : null;
            }

            // does el have an id?
            // if not assign it one.
            tid = $this.attr('id');
            if (tid === undefined) {
                tid = 'jqplot_target_' + $.jqplot.targetCounter++;
                $this.attr('id', tid);
            }

            plot = $.jqplot(tid, data, opts);

            $this.data('jqplot', plot);
        });
    };


    /**
     * Namespace: $.jqplot
     * jQuery function called by the user to create a plot.
     *  
     * Parameters:
     * target - ID of target element to render the plot into.
     * data - an array of data series.
     * options - user defined options object.  See the individual classes for available options.
     * 
     * Properties:
     * config - object to hold configuration information for jqPlot plot object.
     * 
     * attributes:
     * enablePlugins - False to disable plugins by default.  Plugins must then be explicitly 
     *   enabled in the individual plot options.  Default: false.
     *   This property sets the "show" property of certain plugins to true or false.
     *   Only plugins that can be immediately active upon loading are affected.  This includes
     *   non-renderer plugins like cursor, dragable, highlighter, and trendline.
     * defaultHeight - Default height for plots where no css height specification exists.  This
     *   is a jqplot wide default.
     * defaultWidth - Default height for plots where no css height specification exists.  This
     *   is a jqplot wide default.
     */

    $.jqplot = function(target, data, options) {
        var _data = null, _options = null;

        if (arguments.length === 3) {
            _data = data;
            _options = options;
        }

        else if (arguments.length === 2) {
            if ($.isArray(data)) {
                _data = data;
            }

            else if ($.isPlainObject(data)) {
                _options = data;
            }
        }

        if (_data === null && _options !== null && _options.data) {
            _data = _options.data;
        }

        var plot = new jqPlot();
        // remove any error class that may be stuck on target.
        $('#'+target).removeClass('jqplot-error');
        
        if ($.jqplot.config.catchErrors) {
            try {
                plot.init(target, _data, _options);
                plot.draw();
                plot.themeEngine.init.call(plot);
                return plot;
            }
            catch(e) {
                var msg = $.jqplot.config.errorMessage || e.message;
                $('#'+target).append('<div class="jqplot-error-message">'+msg+'</div>');
                $('#'+target).addClass('jqplot-error');
                document.getElementById(target).style.background = $.jqplot.config.errorBackground;
                document.getElementById(target).style.border = $.jqplot.config.errorBorder;
                document.getElementById(target).style.fontFamily = $.jqplot.config.errorFontFamily;
                document.getElementById(target).style.fontSize = $.jqplot.config.errorFontSize;
                document.getElementById(target).style.fontStyle = $.jqplot.config.errorFontStyle;
                document.getElementById(target).style.fontWeight = $.jqplot.config.errorFontWeight;
            }
        }
        else {        
            plot.init(target, _data, _options);
            plot.draw();
            plot.themeEngine.init.call(plot);
            return plot;
        }
    };

    $.jqplot.version = "1.0.9";
    $.jqplot.revision = "d96a669";

    $.jqplot.targetCounter = 1;

    // canvas manager to reuse canvases on the plot.
    // Should help solve problem of canvases not being freed and
    // problem of waiting forever for firefox to decide to free memory.
    $.jqplot.CanvasManager = function() {
        // canvases are managed globally so that they can be reused
        // across plots after they have been freed
        if (typeof $.jqplot.CanvasManager.canvases == 'undefined') {
            $.jqplot.CanvasManager.canvases = [];
            $.jqplot.CanvasManager.free = [];
        }
        
        var myCanvases = [];
        
        this.getCanvas = function() {
            var canvas;
            var makeNew = true;
            
            if (!$.jqplot.use_excanvas) {
                for (var i = 0, l = $.jqplot.CanvasManager.canvases.length; i < l; i++) {
                    if ($.jqplot.CanvasManager.free[i] === true) {
                        makeNew = false;
                        canvas = $.jqplot.CanvasManager.canvases[i];
                        // $(canvas).removeClass('jqplot-canvasManager-free').addClass('jqplot-canvasManager-inuse');
                        $.jqplot.CanvasManager.free[i] = false;
                        myCanvases.push(i);
                        break;
                    }
                }
            }

            if (makeNew) {
                canvas = document.createElement('canvas');
                myCanvases.push($.jqplot.CanvasManager.canvases.length);
                $.jqplot.CanvasManager.canvases.push(canvas);
                $.jqplot.CanvasManager.free.push(false);
            }   
            
            return canvas;
        };
        
        // this method has to be used after settings the dimesions
        // on the element returned by getCanvas()
        this.initCanvas = function(canvas) {
            if ($.jqplot.use_excanvas) {
                return window.G_vmlCanvasManager.initElement(canvas);
            }

            var cctx = canvas.getContext('2d');

            var canvasBackingScale = 1;
            if (window.devicePixelRatio > 1 && (cctx.webkitBackingStorePixelRatio === undefined || 
                                                cctx.webkitBackingStorePixelRatio < 2)) {
                canvasBackingScale = window.devicePixelRatio;
            }
            var oldWidth = canvas.width;
            var oldHeight = canvas.height;

            canvas.width = canvasBackingScale * canvas.width;
            canvas.height = canvasBackingScale * canvas.height;
            canvas.style.width = oldWidth + 'px';
            canvas.style.height = oldHeight + 'px';
            cctx.save();

            cctx.scale(canvasBackingScale, canvasBackingScale);

            return canvas;
        };

        this.freeAllCanvases = function() {
            for (var i = 0, l=myCanvases.length; i < l; i++) {
                this.freeCanvas(myCanvases[i]);
            }
            myCanvases = [];
        };

        this.freeCanvas = function(idx) {
            if ($.jqplot.use_excanvas && window.G_vmlCanvasManager.uninitElement !== undefined) {
                // excanvas can't be reused, but properly unset
                window.G_vmlCanvasManager.uninitElement($.jqplot.CanvasManager.canvases[idx]);
                $.jqplot.CanvasManager.canvases[idx] = null;
            } 
            else {
                var canvas = $.jqplot.CanvasManager.canvases[idx];
                canvas.getContext('2d').clearRect(0, 0, canvas.width, canvas.height);
                $(canvas).unbind().removeAttr('class').removeAttr('style');
                // Style attributes seemed to be still hanging around.  wierd.  Some ticks
                // still retained a left: 0px attribute after reusing a canvas.
                $(canvas).css({left: '', top: '', position: ''});
                // setting size to 0 may save memory of unused canvases?
                canvas.width = 0;
                canvas.height = 0;
                $.jqplot.CanvasManager.free[idx] = true;
            }
        };
        
    };

            
    // Convienence function that won't hang IE or FF without FireBug.
    $.jqplot.log = function() {
        if (window.console) {
            window.console.log.apply(window.console, arguments);
        }
    };
        
    $.jqplot.config = {
        addDomReference: false,
        enablePlugins:false,
        defaultHeight:300,
        defaultWidth:400,
        UTCAdjust:false,
        timezoneOffset: new Date(new Date().getTimezoneOffset() * 60000),
        errorMessage: '',
        errorBackground: '',
        errorBorder: '',
        errorFontFamily: '',
        errorFontSize: '',
        errorFontStyle: '',
        errorFontWeight: '',
        catchErrors: false,
        defaultTickFormatString: "%.1f",
        defaultColors: [ "#4bb2c5", "#EAA228", "#c5b47f", "#579575", "#839557", "#958c12", "#953579", "#4b5de4", "#d8b83f", "#ff5800", "#0085cc", "#c747a3", "#cddf54", "#FBD178", "#26B4E3", "#bd70c7"],
        defaultNegativeColors: [ "#498991", "#C08840", "#9F9274", "#546D61", "#646C4A", "#6F6621", "#6E3F5F", "#4F64B0", "#A89050", "#C45923", "#187399", "#945381", "#959E5C", "#C7AF7B", "#478396", "#907294"],
        dashLength: 4,
        gapLength: 4,
        dotGapLength: 2.5,
        srcLocation: 'jqplot/src/',
        pluginLocation: 'jqplot/src/plugins/'
    };
    
    
    $.jqplot.arrayMax = function( array ){
        return Math.max.apply( Math, array );
    };
    
    $.jqplot.arrayMin = function( array ){
        return Math.min.apply( Math, array );
    };
    
    $.jqplot.enablePlugins = $.jqplot.config.enablePlugins;
    
    // canvas related tests taken from modernizer:
    // Copyright (c) 2009 - 2010 Faruk Ates.
    // http://www.modernizr.com
    
    $.jqplot.support_canvas = function() {
        if (typeof $.jqplot.support_canvas.result == 'undefined') {
            $.jqplot.support_canvas.result = !!document.createElement('canvas').getContext; 
        }
        return $.jqplot.support_canvas.result;
    };
            
    $.jqplot.support_canvas_text = function() {
        if (typeof $.jqplot.support_canvas_text.result == 'undefined') {
            if (window.G_vmlCanvasManager !== undefined && window.G_vmlCanvasManager._version > 887) {
                $.jqplot.support_canvas_text.result = true;
            }
            else {
                $.jqplot.support_canvas_text.result = !!(document.createElement('canvas').getContext && typeof document.createElement('canvas').getContext('2d').fillText == 'function');
            }
             
        }
        return $.jqplot.support_canvas_text.result;
    };
    
    $.jqplot.use_excanvas = ((!$.support.boxModel || !$.support.objectAll || !$support.leadingWhitespace) && !$.jqplot.support_canvas()) ? true : false;
    
    /**
     * 
     * Hooks: jqPlot Pugin Hooks
     * 
     * $.jqplot.preInitHooks - called before initialization.
     * $.jqplot.postInitHooks - called after initialization.
     * $.jqplot.preParseOptionsHooks - called before user options are parsed.
     * $.jqplot.postParseOptionsHooks - called after user options are parsed.
     * $.jqplot.preDrawHooks - called before plot draw.
     * $.jqplot.postDrawHooks - called after plot draw.
     * $.jqplot.preDrawSeriesHooks - called before each series is drawn.
     * $.jqplot.postDrawSeriesHooks - called after each series is drawn.
     * $.jqplot.preDrawLegendHooks - called before the legend is drawn.
     * $.jqplot.addLegendRowHooks - called at the end of legend draw, so plugins
     *     can add rows to the legend table.
     * $.jqplot.preSeriesInitHooks - called before series is initialized.
     * $.jqplot.postSeriesInitHooks - called after series is initialized.
     * $.jqplot.preParseSeriesOptionsHooks - called before series related options
     *     are parsed.
     * $.jqplot.postParseSeriesOptionsHooks - called after series related options
     *     are parsed.
     * $.jqplot.eventListenerHooks - called at the end of plot drawing, binds
     *     listeners to the event canvas which lays on top of the grid area.
     * $.jqplot.preDrawSeriesShadowHooks - called before series shadows are drawn.
     * $.jqplot.postDrawSeriesShadowHooks - called after series shadows are drawn.
     * 
     */
    
    $.jqplot.preInitHooks = [];
    $.jqplot.postInitHooks = [];
    $.jqplot.preParseOptionsHooks = [];
    $.jqplot.postParseOptionsHooks = [];
    $.jqplot.preDrawHooks = [];
    $.jqplot.postDrawHooks = [];
    $.jqplot.preDrawSeriesHooks = [];
    $.jqplot.postDrawSeriesHooks = [];
    $.jqplot.preDrawLegendHooks = [];
    $.jqplot.addLegendRowHooks = [];
    $.jqplot.preSeriesInitHooks = [];
    $.jqplot.postSeriesInitHooks = [];
    $.jqplot.preParseSeriesOptionsHooks = [];
    $.jqplot.postParseSeriesOptionsHooks = [];
    $.jqplot.eventListenerHooks = [];
    $.jqplot.preDrawSeriesShadowHooks = [];
    $.jqplot.postDrawSeriesShadowHooks = [];

    // A superclass holding some common properties and methods.
    $.jqplot.ElemContainer = function() {
        this._elem;
        this._plotWidth;
        this._plotHeight;
        this._plotDimensions = {height:null, width:null};
    };
    
    $.jqplot.ElemContainer.prototype.createElement = function(el, offsets, clss, cssopts, attrib) {
        this._offsets = offsets;
        var klass = clss || 'jqplot';
        var elem = document.createElement(el);
        this._elem = $(elem);
        this._elem.addClass(klass);
        this._elem.css(cssopts);
        this._elem.attr(attrib);
        // avoid memory leak;
        elem = null;
        return this._elem;
    };
    
    $.jqplot.ElemContainer.prototype.getWidth = function() {
        if (this._elem) {
            return this._elem.outerWidth(true);
        }
        else {
            return null;
        }
    };
    
    $.jqplot.ElemContainer.prototype.getHeight = function() {
        if (this._elem) {
            return this._elem.outerHeight(true);
        }
        else {
            return null;
        }
    };
    
    $.jqplot.ElemContainer.prototype.getPosition = function() {
        if (this._elem) {
            return this._elem.position();
        }
        else {
            return {top:null, left:null, bottom:null, right:null};
        }
    };
    
    $.jqplot.ElemContainer.prototype.getTop = function() {
        return this.getPosition().top;
    };
    
    $.jqplot.ElemContainer.prototype.getLeft = function() {
        return this.getPosition().left;
    };
    
    $.jqplot.ElemContainer.prototype.getBottom = function() {
        return this._elem.css('bottom');
    };
    
    $.jqplot.ElemContainer.prototype.getRight = function() {
        return this._elem.css('right');
    };
    

    /**
     * Class: Axis
     * An individual axis object.  Cannot be instantiated directly, but created
     * by the Plot object.  Axis properties can be set or overridden by the 
     * options passed in from the user.
     * 
     */
    function Axis(name) {
        $.jqplot.ElemContainer.call(this);
        // Group: Properties
        //
        // Axes options are specified within an axes object at the top level of the 
        // plot options like so:
        // > {
        // >    axes: {
        // >        xaxis: {min: 5},
        // >        yaxis: {min: 2, max: 8, numberTicks:4},
        // >        x2axis: {pad: 1.5},
        // >        y2axis: {ticks:[22, 44, 66, 88]}
        // >        }
        // > }
        // There are 2 x axes, 'xaxis' and 'x2axis', and 
        // 9 yaxes, 'yaxis', 'y2axis'. 'y3axis', ...  Any or all of which may be specified.
        this.name = name;
        this._series = [];
        // prop: show
        // Wether to display the axis on the graph.
        this.show = false;
        // prop: tickRenderer
        // A class of a rendering engine for creating the ticks labels displayed on the plot, 
        // See <$.jqplot.AxisTickRenderer>.
        this.tickRenderer = $.jqplot.AxisTickRenderer;
        // prop: tickOptions
        // Options that will be passed to the tickRenderer, see <$.jqplot.AxisTickRenderer> options.
        this.tickOptions = {};
        // prop: labelRenderer
        // A class of a rendering engine for creating an axis label.
        this.labelRenderer = $.jqplot.AxisLabelRenderer;
        // prop: labelOptions
        // Options passed to the label renderer.
        this.labelOptions = {};
        // prop: label
        // Label for the axis
        this.label = null;
        // prop: showLabel
        // true to show the axis label.
        this.showLabel = true;
        // prop: min
        // minimum value of the axis (in data units, not pixels).
        this.min = null;
        // prop: max
        // maximum value of the axis (in data units, not pixels).
        this.max = null;
        // prop: autoscale
        // DEPRECATED
        // the default scaling algorithm produces superior results.
        this.autoscale = false;
        // prop: pad
        // Padding to extend the range above and below the data bounds.
        // The data range is multiplied by this factor to determine minimum and maximum axis bounds.
        // A value of 0 will be interpreted to mean no padding, and pad will be set to 1.0.
        this.pad = 1.2;
        // prop: padMax
        // Padding to extend the range above data bounds.
        // The top of the data range is multiplied by this factor to determine maximum axis bounds.
        // A value of 0 will be interpreted to mean no padding, and padMax will be set to 1.0.
        this.padMax = null;
        // prop: padMin
        // Padding to extend the range below data bounds.
        // The bottom of the data range is multiplied by this factor to determine minimum axis bounds.
        // A value of 0 will be interpreted to mean no padding, and padMin will be set to 1.0.
        this.padMin = null;
        // prop: ticks
        // 1D [val, val, ...] or 2D [[val, label], [val, label], ...] array of ticks for the axis.
        // If no label is specified, the value is formatted into an appropriate label.
        this.ticks = [];
        // prop: numberTicks
        // Desired number of ticks.  Default is to compute automatically.
        this.numberTicks;
        // prop: tickInterval
        // number of units between ticks.  Mutually exclusive with numberTicks.
        this.tickInterval;
        // prop: renderer
        // A class of a rendering engine that handles tick generation, 
        // scaling input data to pixel grid units and drawing the axis element.
        this.renderer = $.jqplot.LinearAxisRenderer;
        // prop: rendererOptions
        // renderer specific options.  See <$.jqplot.LinearAxisRenderer> for options.
        this.rendererOptions = {};
        // prop: showTicks
        // Wether to show the ticks (both marks and labels) or not.
        // Will not override showMark and showLabel options if specified on the ticks themselves.
        this.showTicks = true;
        // prop: showTickMarks
        // Wether to show the tick marks (line crossing grid) or not.
        // Overridden by showTicks and showMark option of tick itself.
        this.showTickMarks = true;
        // prop: showMinorTicks
        // Wether or not to show minor ticks.  This is renderer dependent.
        this.showMinorTicks = true;
        // prop: drawMajorGridlines
        // True to draw gridlines for major axis ticks.
        this.drawMajorGridlines = true;
        // prop: drawMinorGridlines
        // True to draw gridlines for minor ticks.
        this.drawMinorGridlines = false;
        // prop: drawMajorTickMarks
        // True to draw tick marks for major axis ticks.
        this.drawMajorTickMarks = true;
        // prop: drawMinorTickMarks
        // True to draw tick marks for minor ticks.  This is renderer dependent.
        this.drawMinorTickMarks = true;
        // prop: useSeriesColor
        // Use the color of the first series associated with this axis for the
        // tick marks and line bordering this axis.
        this.useSeriesColor = false;
        // prop: borderWidth
        // width of line stroked at the border of the axis.  Defaults
        // to the width of the grid boarder.
        this.borderWidth = null;
        // prop: borderColor
        // color of the border adjacent to the axis.  Defaults to grid border color.
        this.borderColor = null;
        // prop: scaleToHiddenSeries
        // True to include hidden series when computing axes bounds and scaling.
        this.scaleToHiddenSeries = false;
        // minimum and maximum values on the axis.
        this._dataBounds = {min:null, max:null};
        // statistics (min, max, mean) as well as actual data intervals for each series attached to axis.
        // holds collection of {intervals:[], min:, max:, mean: } objects for each series on axis.
        this._intervalStats = [];
        // pixel position from the top left of the min value and max value on the axis.
        this._offsets = {min:null, max:null};
        this._ticks=[];
        this._label = null;
        // prop: syncTicks
        // true to try and synchronize tick spacing across multiple axes so that ticks and
        // grid lines line up.  This has an impact on autoscaling algorithm, however.
        // In general, autoscaling an individual axis will work better if it does not
        // have to sync ticks.
        this.syncTicks = null;
        // prop: tickSpacing
        // Approximate pixel spacing between ticks on graph.  Used during autoscaling.
        // This number will be an upper bound, actual spacing will be less.
        this.tickSpacing = 75;
        // Properties to hold the original values for min, max, ticks, tickInterval and numberTicks
        // so they can be restored if altered by plugins.
        this._min = null;
        this._max = null;
        this._tickInterval = null;
        this._numberTicks = null;
        this.__ticks = null;
        // hold original user options.
        this._options = {};
    }
    
    Axis.prototype = new $.jqplot.ElemContainer();
    Axis.prototype.constructor = Axis;
    
    Axis.prototype.init = function() {
        if ($.isFunction(this.renderer)) {
            this.renderer = new this.renderer();  
        }
        // set the axis name
        this.tickOptions.axis = this.name;
        // if showMark or showLabel tick options not specified, use value of axis option.
        // showTicks overrides showTickMarks.
        if (this.tickOptions.showMark == null) {
            this.tickOptions.showMark = this.showTicks;
        }
        if (this.tickOptions.showMark == null) {
            this.tickOptions.showMark = this.showTickMarks;
        }
        if (this.tickOptions.showLabel == null) {
            this.tickOptions.showLabel = this.showTicks;
        }
        
        if (this.label == null || this.label == '') {
            this.showLabel = false;
        }
        else {
            this.labelOptions.label = this.label;
        }
        if (this.showLabel == false) {
            this.labelOptions.show = false;
        }
        // set the default padMax, padMin if not specified
        // special check, if no padding desired, padding
        // should be set to 1.0
        if (this.pad == 0) {
            this.pad = 1.0;
        }
        if (this.padMax == 0) {
            this.padMax = 1.0;
        }
        if (this.padMin == 0) {
            this.padMin = 1.0;
        }
        if (this.padMax == null) {
            this.padMax = (this.pad-1)/2 + 1;
        }
        if (this.padMin == null) {
            this.padMin = (this.pad-1)/2 + 1;
        }
        // now that padMin and padMax are correctly set, reset pad in case user has supplied 
        // padMin and/or padMax
        this.pad = this.padMax + this.padMin - 1;
        if (this.min != null || this.max != null) {
            this.autoscale = false;
        }
        // if not set, sync ticks for y axes but not x by default.
        if (this.syncTicks == null && this.name.indexOf('y') > -1) {
            this.syncTicks = true;
        }
        else if (this.syncTicks == null){
            this.syncTicks = false;
        }
        this.renderer.init.call(this, this.rendererOptions);
        
    };
    
    Axis.prototype.draw = function(ctx, plot) {
        // Memory Leaks patch
        if (this.__ticks) {
          this.__ticks = null;
        }

        return this.renderer.draw.call(this, ctx, plot);
        
    };
    
    Axis.prototype.set = function() {
        this.renderer.set.call(this);
    };
    
    Axis.prototype.pack = function(pos, offsets) {
        if (this.show) {
            this.renderer.pack.call(this, pos, offsets);
        }
        // these properties should all be available now.
        if (this._min == null) {
            this._min = this.min;
            this._max = this.max;
            this._tickInterval = this.tickInterval;
            this._numberTicks = this.numberTicks;
            this.__ticks = this._ticks;
        }
    };
    
    // reset the axis back to original values if it has been scaled, zoomed, etc.
    Axis.prototype.reset = function() {
        this.renderer.reset.call(this);
    };
    
    Axis.prototype.resetScale = function(opts) {
        $.extend(true, this, {min: null, max: null, numberTicks: null, tickInterval: null, _ticks: [], ticks: []}, opts);
        this.resetDataBounds();
    };
    
    Axis.prototype.resetDataBounds = function() {
        // Go through all the series attached to this axis and find
        // the min/max bounds for this axis.
        var db = this._dataBounds;
        db.min = null;
        db.max = null;
        var l, s, d;
        // check for when to force min 0 on bar series plots.
        var doforce = (this.show) ? true : false;
        for (var i=0; i<this._series.length; i++) {
            s = this._series[i];
            if (s.show || this.scaleToHiddenSeries) {
                d = s._plotData;
                if (s._type === 'line' && s.renderer.bands.show && this.name.charAt(0) !== 'x') {
                    d = [[0, s.renderer.bands._min], [1, s.renderer.bands._max]];
                }

                var minyidx = 1, maxyidx = 1;

                if (s._type != null && s._type == 'ohlc') {
                    minyidx = 3;
                    maxyidx = 2;
                }
                
                for (var j=0, l=d.length; j<l; j++) { 
                    if (this.name == 'xaxis' || this.name == 'x2axis') {
                        if ((d[j][0] != null && d[j][0] < db.min) || db.min == null) {
                            db.min = d[j][0];
                        }
                        if ((d[j][0] != null && d[j][0] > db.max) || db.max == null) {
                            db.max = d[j][0];
                        }
                    }              
                    else {
                        if ((d[j][minyidx] != null && d[j][minyidx] < db.min) || db.min == null) {
                            db.min = d[j][minyidx];
                        }
                        if ((d[j][maxyidx] != null && d[j][maxyidx] > db.max) || db.max == null) {
                            db.max = d[j][maxyidx];
                        }
                    }              
                }

                // Hack to not pad out bottom of bar plots unless user has specified a padding.
                // every series will have a chance to set doforce to false.  once it is set to 
                // false, it cannot be reset to true.
                // If any series attached to axis is not a bar, wont force 0.
                if (doforce && s.renderer.constructor !== $.jqplot.BarRenderer) {
                    doforce = false;
                }

                else if (doforce && this._options.hasOwnProperty('forceTickAt0') && this._options.forceTickAt0 == false) {
                    doforce = false;
                }

                else if (doforce && s.renderer.constructor === $.jqplot.BarRenderer) {
                    if (s.barDirection == 'vertical' && this.name != 'xaxis' && this.name != 'x2axis') { 
                        if (this._options.pad != null || this._options.padMin != null) {
                            doforce = false;
                        }
                    }

                    else if (s.barDirection == 'horizontal' && (this.name == 'xaxis' || this.name == 'x2axis')) {
                        if (this._options.pad != null || this._options.padMin != null) {
                            doforce = false;
                        }
                    }

                }
            }
        }

        if (doforce && this.renderer.constructor === $.jqplot.LinearAxisRenderer && db.min >= 0) {
            this.padMin = 1.0;
            this.forceTickAt0 = true;
        }
    };

    /**
     * Class: Legend
     * Legend object.  Cannot be instantiated directly, but created
     * by the Plot object.  Legend properties can be set or overridden by the 
     * options passed in from the user.
     */
    function Legend(options) {
        $.jqplot.ElemContainer.call(this);
        // Group: Properties
        
        // prop: show
        // Wether to display the legend on the graph.
        this.show = false;
        // prop: location
        // Placement of the legend.  one of the compass directions: nw, n, ne, e, se, s, sw, w
        this.location = 'ne';
        // prop: labels
        // Array of labels to use.  By default the renderer will look for labels on the series.
        // Labels specified in this array will override labels specified on the series.
        this.labels = [];
        // prop: showLabels
        // true to show the label text on the  legend.
        this.showLabels = true;
        // prop: showSwatch
        // true to show the color swatches on the legend.
        this.showSwatches = true;
        // prop: placement
        // "insideGrid" places legend inside the grid area of the plot.
        // "outsideGrid" places the legend outside the grid but inside the plot container, 
        // shrinking the grid to accomodate the legend.
        // "inside" synonym for "insideGrid", 
        // "outside" places the legend ouside the grid area, but does not shrink the grid which
        // can cause the legend to overflow the plot container.
        this.placement = "insideGrid";
        // prop: xoffset
        // DEPRECATED.  Set the margins on the legend using the marginTop, marginLeft, etc. 
        // properties or via CSS margin styling of the .jqplot-table-legend class.
        this.xoffset = 0;
        // prop: yoffset
        // DEPRECATED.  Set the margins on the legend using the marginTop, marginLeft, etc. 
        // properties or via CSS margin styling of the .jqplot-table-legend class.
        this.yoffset = 0;
        // prop: border
        // css spec for the border around the legend box.
        this.border;
        // prop: background
        // css spec for the background of the legend box.
        this.background;
        // prop: textColor
        // css color spec for the legend text.
        this.textColor;
        // prop: fontFamily
        // css font-family spec for the legend text.
        this.fontFamily; 
        // prop: fontSize
        // css font-size spec for the legend text.
        this.fontSize ;
        // prop: rowSpacing
        // css padding-top spec for the rows in the legend.
        this.rowSpacing = '0.5em';
        // renderer
        // A class that will create a DOM object for the legend,
        // see <$.jqplot.TableLegendRenderer>.
        this.renderer = $.jqplot.TableLegendRenderer;
        // prop: rendererOptions
        // renderer specific options passed to the renderer.
        this.rendererOptions = {};
        // prop: predraw
        // Wether to draw the legend before the series or not.
        // Used with series specific legend renderers for pie, donut, mekko charts, etc.
        this.preDraw = false;
        // prop: marginTop
        // CSS margin for the legend DOM element. This will set an element 
        // CSS style for the margin which will override any style sheet setting.
        // The default will be taken from the stylesheet.
        this.marginTop = null;
        // prop: marginRight
        // CSS margin for the legend DOM element. This will set an element 
        // CSS style for the margin which will override any style sheet setting.
        // The default will be taken from the stylesheet.
        this.marginRight = null;
        // prop: marginBottom
        // CSS margin for the legend DOM element. This will set an element 
        // CSS style for the margin which will override any style sheet setting.
        // The default will be taken from the stylesheet.
        this.marginBottom = null;
        // prop: marginLeft
        // CSS margin for the legend DOM element. This will set an element 
        // CSS style for the margin which will override any style sheet setting.
        // The default will be taken from the stylesheet.
        this.marginLeft = null;
        // prop: escapeHtml
        // True to escape special characters with their html entity equivalents
        // in legend text.  "<" becomes &lt; and so on, so html tags are not rendered.
        this.escapeHtml = false;
        this._series = [];
        
        $.extend(true, this, options);
    }
    
    Legend.prototype = new $.jqplot.ElemContainer();
    Legend.prototype.constructor = Legend;
    
    Legend.prototype.setOptions = function(options) {
        $.extend(true, this, options);
        
        // Try to emulate deprecated behaviour
        // if user has specified xoffset or yoffset, copy these to
        // the margin properties.
        
        if (this.placement ==  'inside') {
            this.placement = 'insideGrid';
        }
        
        if (this.xoffset >0) {
            if (this.placement == 'insideGrid') {
                switch (this.location) {
                    case 'nw':
                    case 'w':
                    case 'sw':
                        if (this.marginLeft == null) {
                            this.marginLeft = this.xoffset + 'px';
                        }
                        this.marginRight = '0px';
                        break;
                    case 'ne':
                    case 'e':
                    case 'se':
                    default:
                        if (this.marginRight == null) {
                            this.marginRight = this.xoffset + 'px';
                        }
                        this.marginLeft = '0px';
                        break;
                }
            }
            else if (this.placement == 'outside') {
                switch (this.location) {
                    case 'nw':
                    case 'w':
                    case 'sw':
                        if (this.marginRight == null) {
                            this.marginRight = this.xoffset + 'px';
                        }
                        this.marginLeft = '0px';
                        break;
                    case 'ne':
                    case 'e':
                    case 'se':
                    default:
                        if (this.marginLeft == null) {
                            this.marginLeft = this.xoffset + 'px';
                        }
                        this.marginRight = '0px';
                        break;
                }
            }
            this.xoffset = 0;
        }
        
        if (this.yoffset >0) {
            if (this.placement == 'outside') {
                switch (this.location) {
                    case 'sw':
                    case 's':
                    case 'se':
                        if (this.marginTop == null) {
                            this.marginTop = this.yoffset + 'px';
                        }
                        this.marginBottom = '0px';
                        break;
                    case 'ne':
                    case 'n':
                    case 'nw':
                    default:
                        if (this.marginBottom == null) {
                            this.marginBottom = this.yoffset + 'px';
                        }
                        this.marginTop = '0px';
                        break;
                }
            }
            else if (this.placement == 'insideGrid') {
                switch (this.location) {
                    case 'sw':
                    case 's':
                    case 'se':
                        if (this.marginBottom == null) {
                            this.marginBottom = this.yoffset + 'px';
                        }
                        this.marginTop = '0px';
                        break;
                    case 'ne':
                    case 'n':
                    case 'nw':
                    default:
                        if (this.marginTop == null) {
                            this.marginTop = this.yoffset + 'px';
                        }
                        this.marginBottom = '0px';
                        break;
                }
            }
            this.yoffset = 0;
        }
        
        // TO-DO:
        // Handle case where offsets are < 0.
        //
    };
    
    Legend.prototype.init = function() {
        if ($.isFunction(this.renderer)) {
            this.renderer = new this.renderer();  
        }
        this.renderer.init.call(this, this.rendererOptions);
    };
    
    Legend.prototype.draw = function(offsets, plot) {
        for (var i=0; i<$.jqplot.preDrawLegendHooks.length; i++){
            $.jqplot.preDrawLegendHooks[i].call(this, offsets);
        }
        return this.renderer.draw.call(this, offsets, plot);
    };
    
    Legend.prototype.pack = function(offsets) {
        this.renderer.pack.call(this, offsets);
    };

    /**
     * Class: Title
     * Plot Title object.  Cannot be instantiated directly, but created
     * by the Plot object.  Title properties can be set or overridden by the 
     * options passed in from the user.
     * 
     * Parameters:
     * text - text of the title.
     */
    function Title(text) {
        $.jqplot.ElemContainer.call(this);
        // Group: Properties
        
        // prop: text
        // text of the title;
        this.text = text;
        // prop: show
        // whether or not to show the title
        this.show = true;
        // prop: fontFamily
        // css font-family spec for the text.
        this.fontFamily;
        // prop: fontSize
        // css font-size spec for the text.
        this.fontSize ;
        // prop: textAlign
        // css text-align spec for the text.
        this.textAlign;
        // prop: textColor
        // css color spec for the text.
        this.textColor;
        // prop: renderer
        // A class for creating a DOM element for the title,
        // see <$.jqplot.DivTitleRenderer>.
        this.renderer = $.jqplot.DivTitleRenderer;
        // prop: rendererOptions
        // renderer specific options passed to the renderer.
        this.rendererOptions = {};   
        // prop: escapeHtml
        // True to escape special characters with their html entity equivalents
        // in title text.  "<" becomes &lt; and so on, so html tags are not rendered.
        this.escapeHtml = false;
    }
    
    Title.prototype = new $.jqplot.ElemContainer();
    Title.prototype.constructor = Title;
    
    Title.prototype.init = function() {
        if ($.isFunction(this.renderer)) {
            this.renderer = new this.renderer();  
        }
        this.renderer.init.call(this, this.rendererOptions);
    };
    
    Title.prototype.draw = function(width) {
        return this.renderer.draw.call(this, width);
    };
    
    Title.prototype.pack = function() {
        this.renderer.pack.call(this);
    };


    /**
     * Class: Series
     * An individual data series object.  Cannot be instantiated directly, but created
     * by the Plot object.  Series properties can be set or overridden by the 
     * options passed in from the user.
     */
    function Series(options) {
        options = options || {};
        $.jqplot.ElemContainer.call(this);
        // Group: Properties
        // Properties will be assigned from a series array at the top level of the
        // options.  If you had two series and wanted to change the color and line
        // width of the first and set the second to use the secondary y axis with
        // no shadow and supply custom labels for each:
        // > {
        // >    series:[
        // >        {color: '#ff4466', lineWidth: 5, label:'good line'},
        // >        {yaxis: 'y2axis', shadow: false, label:'bad line'}
        // >    ]
        // > }

        // prop: show
        // whether or not to draw the series.
        this.show = true;
        // prop: xaxis
        // which x axis to use with this series, either 'xaxis' or 'x2axis'.
        this.xaxis = 'xaxis';
        this._xaxis;
        // prop: yaxis
        // which y axis to use with this series, either 'yaxis' or 'y2axis'.
        this.yaxis = 'yaxis';
        this._yaxis;
        this.gridBorderWidth = 2.0;
        // prop: renderer
        // A class of a renderer which will draw the series, 
        // see <$.jqplot.LineRenderer>.
        this.renderer = $.jqplot.LineRenderer;
        // prop: rendererOptions
        // Options to pass on to the renderer.
        this.rendererOptions = {};
        this.data = [];
        this.gridData = [];
        // prop: label
        // Line label to use in the legend.
        this.label = '';
        // prop: showLabel
        // true to show label for this series in the legend.
        this.showLabel = true;
        // prop: color
        // css color spec for the series
        this.color;
        // prop: negativeColor
        // css color spec used for filled (area) plots that are filled to zero and
        // the "useNegativeColors" option is true.
        this.negativeColor;
        // prop: lineWidth
        // width of the line in pixels.  May have different meanings depending on renderer.
        this.lineWidth = 2.5;
        // prop: lineJoin
        // Canvas lineJoin style between segments of series.
        this.lineJoin = 'round';
        // prop: lineCap
        // Canvas lineCap style at ends of line.
        this.lineCap = 'round';
        // prop: linePattern
        // line pattern 'dashed', 'dotted', 'solid', some combination
        // of '-' and '.' characters such as '.-.' or a numerical array like 
        // [draw, skip, draw, skip, ...] such as [1, 10] to draw a dotted line, 
        // [1, 10, 20, 10] to draw a dot-dash line, and so on.
        this.linePattern = 'solid';
        this.shadow = true;
        // prop: shadowAngle
        // Shadow angle in degrees
        this.shadowAngle = 45;
        // prop: shadowOffset
        // Shadow offset from line in pixels
        this.shadowOffset = 1.25;
        // prop: shadowDepth
        // Number of times shadow is stroked, each stroke offset shadowOffset from the last.
        this.shadowDepth = 3;
        // prop: shadowAlpha
        // Alpha channel transparency of shadow.  0 = transparent.
        this.shadowAlpha = '0.1';
        // prop: breakOnNull
        // Wether line segments should be be broken at null value.
        // False will join point on either side of line.
        this.breakOnNull = false;
        // prop: markerRenderer
        // A class of a renderer which will draw marker (e.g. circle, square, ...) at the data points,
        // see <$.jqplot.MarkerRenderer>.
        this.markerRenderer = $.jqplot.MarkerRenderer;
        // prop: markerOptions
        // renderer specific options to pass to the markerRenderer,
        // see <$.jqplot.MarkerRenderer>.
        this.markerOptions = {};
        // prop: showLine
        // whether to actually draw the line or not.  Series will still be renderered, even if no line is drawn.
        this.showLine = true;
        // prop: showMarker
        // whether or not to show the markers at the data points.
        this.showMarker = true;
        // prop: index
        // 0 based index of this series in the plot series array.
        this.index;
        // prop: fill
        // true or false, whether to fill under lines or in bars.
        // May not be implemented in all renderers.
        this.fill = false;
        // prop: fillColor
        // CSS color spec to use for fill under line.  Defaults to line color.
        this.fillColor;
        // prop: fillAlpha
        // Alpha transparency to apply to the fill under the line.
        // Use this to adjust alpha separate from fill color.
        this.fillAlpha;
        // prop: fillAndStroke
        // If true will stroke the line (with color this.color) as well as fill under it.
        // Applies only when fill is true.
        this.fillAndStroke = false;
        // prop: disableStack
        // true to not stack this series with other series in the plot.
        // To render properly, non-stacked series must come after any stacked series
        // in the plot's data series array.  So, the plot's data series array would look like:
        // > [stackedSeries1, stackedSeries2, ..., nonStackedSeries1, nonStackedSeries2, ...]
        // disableStack will put a gap in the stacking order of series, and subsequent
        // stacked series will not fill down through the non-stacked series and will
        // most likely not stack properly on top of the non-stacked series.
        this.disableStack = false;
        // _stack is set by the Plot if the plot is a stacked chart.
        // will stack lines or bars on top of one another to build a "mountain" style chart.
        // May not be implemented in all renderers.
        this._stack = false;
        // prop: neighborThreshold
        // how close or far (in pixels) the cursor must be from a point marker to detect the point.
        this.neighborThreshold = 4;
        // prop: fillToZero
        // true will force bar and filled series to fill toward zero on the fill Axis.
        this.fillToZero = false;
        // prop: fillToValue
        // fill a filled series to this value on the fill axis.
        // Works in conjunction with fillToZero, so that must be true.
        this.fillToValue = 0;
        // prop: fillAxis
        // Either 'x' or 'y'.  Which axis to fill the line toward if fillToZero is true.
        // 'y' means fill up/down to 0 on the y axis for this series.
        this.fillAxis = 'y';
        // prop: useNegativeColors
        // true to color negative values differently in filled and bar charts.
        this.useNegativeColors = true;
        this._stackData = [];
        // _plotData accounts for stacking.  If plots not stacked, _plotData and data are same.  If
        // stacked, _plotData is accumulation of stacking data.
        this._plotData = [];
        // _plotValues hold the individual x and y values that will be plotted for this series.
        this._plotValues = {x:[], y:[]};
        // statistics about the intervals between data points.  Used for auto scaling.
        this._intervals = {x:{}, y:{}};
        // data from the previous series, for stacked charts.
        this._prevPlotData = [];
        this._prevGridData = [];
        this._stackAxis = 'y';
        this._primaryAxis = '_xaxis';
        // give each series a canvas to draw on.  This should allow for redrawing speedups.
        this.canvas = new $.jqplot.GenericCanvas();
        this.shadowCanvas = new $.jqplot.GenericCanvas();
        this.plugins = {};
        // sum of y values in this series.
        this._sumy = 0;
        this._sumx = 0;
        this._type = '';
        this.step = false;
    }
    
    Series.prototype = new $.jqplot.ElemContainer();
    Series.prototype.constructor = Series;
    
    Series.prototype.init = function(index, gridbw, plot) {
        // weed out any null values in the data.
        this.index = index;
        this.gridBorderWidth = gridbw;
        var d = this.data;
        var temp = [], i, l;
        for (i=0, l=d.length; i<l; i++) {
            if (! this.breakOnNull) {
                if (d[i] == null || d[i][0] == null || d[i][1] == null) {
                    continue;
                }
                else {
                    temp.push(d[i]);
                }
            }
            else {
                // TODO: figure out what to do with null values
                // probably involve keeping nulls in data array
                // and then updating renderers to break line
                // when it hits null value.
                // For now, just keep value.
                temp.push(d[i]);
            }
        }
        this.data = temp;

        // parse the renderer options and apply default colors if not provided
        // Set color even if not shown, so series don't change colors when other
        // series on plot shown/hidden.
        if (!this.color) {
            this.color = plot.colorGenerator.get(this.index);
        }
        if (!this.negativeColor) {
            this.negativeColor = plot.negativeColorGenerator.get(this.index);
        }


        if (!this.fillColor) {
            this.fillColor = this.color;
        }
        if (this.fillAlpha) {
            var comp = $.jqplot.normalize2rgb(this.fillColor);
            var comp = $.jqplot.getColorComponents(comp);
            this.fillColor = 'rgba('+comp[0]+','+comp[1]+','+comp[2]+','+this.fillAlpha+')';
        }
        if ($.isFunction(this.renderer)) {
            this.renderer = new this.renderer();  
        }
        this.renderer.init.call(this, this.rendererOptions, plot);
        this.markerRenderer = new this.markerRenderer();
        if (!this.markerOptions.color) {
            this.markerOptions.color = this.color;
        }
        if (this.markerOptions.show == null) {
            this.markerOptions.show = this.showMarker;
        }
        this.showMarker = this.markerOptions.show;
        // the markerRenderer is called within its own scope, don't want to overwrite series options!!
        this.markerRenderer.init(this.markerOptions);
    };
    
    // data - optional data point array to draw using this series renderer
    // gridData - optional grid data point array to draw using this series renderer
    // stackData - array of cumulative data for stacked plots.
    Series.prototype.draw = function(sctx, opts, plot) {
        var options = (opts == undefined) ? {} : opts;
        sctx = (sctx == undefined) ? this.canvas._ctx : sctx;
        
        var j, data, gridData;
        
        // hooks get called even if series not shown
        // we don't clear canvas here, it would wipe out all other series as well.
        for (j=0; j<$.jqplot.preDrawSeriesHooks.length; j++) {
            $.jqplot.preDrawSeriesHooks[j].call(this, sctx, options);
        }
        if (this.show) {
            this.renderer.setGridData.call(this, plot);
            if (!options.preventJqPlotSeriesDrawTrigger) {
                $(sctx.canvas).trigger('jqplotSeriesDraw', [this.data, this.gridData]);
            }
            data = [];
            if (options.data) {
                data = options.data;
            }
            else if (!this._stack) {
                data = this.data;
            }
            else {
                data = this._plotData;
            }
            gridData = options.gridData || this.renderer.makeGridData.call(this, data, plot);

            if (this._type === 'line' && this.renderer.smooth && this.renderer._smoothedData.length) {
                gridData = this.renderer._smoothedData;
            }

            this.renderer.draw.call(this, sctx, gridData, options, plot);
        }
        
        for (j=0; j<$.jqplot.postDrawSeriesHooks.length; j++) {
            $.jqplot.postDrawSeriesHooks[j].call(this, sctx, options, plot);
        }
        
        sctx = opts = plot = j = data = gridData = null;
    };
    
    Series.prototype.drawShadow = function(sctx, opts, plot) {
        var options = (opts == undefined) ? {} : opts;
        sctx = (sctx == undefined) ? this.shadowCanvas._ctx : sctx;
        
        var j, data, gridData;
        
        // hooks get called even if series not shown
        // we don't clear canvas here, it would wipe out all other series as well.
        for (j=0; j<$.jqplot.preDrawSeriesShadowHooks.length; j++) {
            $.jqplot.preDrawSeriesShadowHooks[j].call(this, sctx, options);
        }
        if (this.shadow) {
            this.renderer.setGridData.call(this, plot);

            data = [];
            if (options.data) {
                data = options.data;
            }
            else if (!this._stack) {
                data = this.data;
            }
            else {
                data = this._plotData;
            }
            gridData = options.gridData || this.renderer.makeGridData.call(this, data, plot);
        
            this.renderer.drawShadow.call(this, sctx, gridData, options, plot);
        }
        
        for (j=0; j<$.jqplot.postDrawSeriesShadowHooks.length; j++) {
            $.jqplot.postDrawSeriesShadowHooks[j].call(this, sctx, options);
        }
        
        sctx = opts = plot = j = data = gridData = null;
        
    };
    
    // toggles series display on plot, e.g. show/hide series
    Series.prototype.toggleDisplay = function(ev, callback) {
        var s, speed;
        if (ev.data.series) {
            s = ev.data.series;
        }
        else {
            s = this;
        }

        if (ev.data.speed) {
            speed = ev.data.speed;
        }
        if (speed) {
            // this can be tricky because series may not have a canvas element if replotting.
            if (s.canvas._elem.is(':hidden') || !s.show) {
                s.show = true;

                s.canvas._elem.removeClass('jqplot-series-hidden');
                if (s.shadowCanvas._elem) {
                    s.shadowCanvas._elem.fadeIn(speed);
                }
                s.canvas._elem.fadeIn(speed, callback);
                s.canvas._elem.nextAll('.jqplot-point-label.jqplot-series-'+s.index).fadeIn(speed);
            }
            else {
                s.show = false;

                s.canvas._elem.addClass('jqplot-series-hidden');
                if (s.shadowCanvas._elem) {
                    s.shadowCanvas._elem.fadeOut(speed);
                }
                s.canvas._elem.fadeOut(speed, callback);
                s.canvas._elem.nextAll('.jqplot-point-label.jqplot-series-'+s.index).fadeOut(speed);
            }
        }
        else {
            // this can be tricky because series may not have a canvas element if replotting.
            if (s.canvas._elem.is(':hidden') || !s.show) {
                s.show = true;

                s.canvas._elem.removeClass('jqplot-series-hidden');
                if (s.shadowCanvas._elem) {
                    s.shadowCanvas._elem.show();
                }
                s.canvas._elem.show(0, callback);
                s.canvas._elem.nextAll('.jqplot-point-label.jqplot-series-'+s.index).show();
            }
            else {
                s.show = false;

                s.canvas._elem.addClass('jqplot-series-hidden');
                if (s.shadowCanvas._elem) {
                    s.shadowCanvas._elem.hide();
                }
                s.canvas._elem.hide(0, callback);
                s.canvas._elem.nextAll('.jqplot-point-label.jqplot-series-'+s.index).hide();
            }
        }
    };
    


    /**
     * Class: Grid
     * 
     * Object representing the grid on which the plot is drawn.  The grid in this
     * context is the area bounded by the axes, the area which will contain the series.
     * Note, the series are drawn on their own canvas.
     * The Grid object cannot be instantiated directly, but is created by the Plot object.  
     * Grid properties can be set or overridden by the options passed in from the user.
     */
    function Grid() {
        $.jqplot.ElemContainer.call(this);
        // Group: Properties
        
        // prop: drawGridlines
        // whether to draw the gridlines on the plot.
        this.drawGridlines = true;
        // prop: gridLineColor
        // color of the grid lines.
        this.gridLineColor = '#cccccc';
        // prop: gridLineWidth
        // width of the grid lines.
        this.gridLineWidth = 1.0;
        // prop: background
        // css spec for the background color.
        this.background = '#fffdf6';
        // prop: borderColor
        // css spec for the color of the grid border.
        this.borderColor = '#999999';
        // prop: borderWidth
        // width of the border in pixels.
        this.borderWidth = 2.0;
        // prop: drawBorder
        // True to draw border around grid.
        this.drawBorder = true;
        // prop: shadow
        // whether to show a shadow behind the grid.
        this.shadow = true;
        // prop: shadowAngle
        // shadow angle in degrees
        this.shadowAngle = 45;
        // prop: shadowOffset
        // Offset of each shadow stroke from the border in pixels
        this.shadowOffset = 1.5;
        // prop: shadowWidth
        // width of the stoke for the shadow
        this.shadowWidth = 3;
        // prop: shadowDepth
        // Number of times shadow is stroked, each stroke offset shadowOffset from the last.
        this.shadowDepth = 3;
        // prop: shadowColor
        // an optional css color spec for the shadow in 'rgba(n, n, n, n)' form
        this.shadowColor = null;
        // prop: shadowAlpha
        // Alpha channel transparency of shadow.  0 = transparent.
        this.shadowAlpha = '0.07';
        this._left;
        this._top;
        this._right;
        this._bottom;
        this._width;
        this._height;
        this._axes = [];
        // prop: renderer
        // Instance of a renderer which will actually render the grid,
        // see <$.jqplot.CanvasGridRenderer>.
        this.renderer = $.jqplot.CanvasGridRenderer;
        // prop: rendererOptions
        // Options to pass on to the renderer,
        // see <$.jqplot.CanvasGridRenderer>.
        this.rendererOptions = {};
        this._offsets = {top:null, bottom:null, left:null, right:null};
    }
    
    Grid.prototype = new $.jqplot.ElemContainer();
    Grid.prototype.constructor = Grid;
    
    Grid.prototype.init = function() {
        if ($.isFunction(this.renderer)) {
            this.renderer = new this.renderer();  
        }
        this.renderer.init.call(this, this.rendererOptions);
    };
    
    Grid.prototype.createElement = function(offsets,plot) {
        this._offsets = offsets;
        return this.renderer.createElement.call(this, plot);
    };
    
    Grid.prototype.draw = function() {
        this.renderer.draw.call(this);
    };
    
    $.jqplot.GenericCanvas = function() {
        $.jqplot.ElemContainer.call(this);
        this._ctx;  
    };
    
    $.jqplot.GenericCanvas.prototype = new $.jqplot.ElemContainer();
    $.jqplot.GenericCanvas.prototype.constructor = $.jqplot.GenericCanvas;
    
    $.jqplot.GenericCanvas.prototype.createElement = function(offsets, clss, plotDimensions, plot) {
        this._offsets = offsets;
        var klass = 'jqplot';
        if (clss != undefined) {
            klass = clss;
        }
        var elem;

        elem = plot.canvasManager.getCanvas();
        
        // if new plotDimensions supplied, use them.
        if (plotDimensions != null) {
            this._plotDimensions = plotDimensions;
        }
        
        elem.width = this._plotDimensions.width - this._offsets.left - this._offsets.right;
        elem.height = this._plotDimensions.height - this._offsets.top - this._offsets.bottom;
        this._elem = $(elem);
        this._elem.css({ position: 'absolute', left: this._offsets.left, top: this._offsets.top });
        
        this._elem.addClass(klass);
        
        elem = plot.canvasManager.initCanvas(elem);
        
        elem = null;
        return this._elem;
    };
    
    $.jqplot.GenericCanvas.prototype.setContext = function() {
        this._ctx = this._elem.get(0).getContext("2d");
        return this._ctx;
    };
    
    // Memory Leaks patch
    $.jqplot.GenericCanvas.prototype.resetCanvas = function() {
      if (this._elem) {
        if ($.jqplot.use_excanvas && window.G_vmlCanvasManager.uninitElement !== undefined) {
           window.G_vmlCanvasManager.uninitElement(this._elem.get(0));
        }
        
        //this._elem.remove();
        this._elem.emptyForce();
      }
      
      this._ctx = null;
    };
    
    $.jqplot.HooksManager = function () {
        this.hooks =[];
        this.args = [];
    };
    
    $.jqplot.HooksManager.prototype.addOnce = function(fn, args) {
        args = args || [];
        var havehook = false;
        for (var i=0, l=this.hooks.length; i<l; i++) {
            if (this.hooks[i] == fn) {
                havehook = true;
            }
        }
        if (!havehook) {
            this.hooks.push(fn);
            this.args.push(args);
        }
    };
    
    $.jqplot.HooksManager.prototype.add = function(fn, args) {
        args = args || [];
        this.hooks.push(fn);
        this.args.push(args);
    };
    
    $.jqplot.EventListenerManager = function () {
        this.hooks =[];
    };
    
    $.jqplot.EventListenerManager.prototype.addOnce = function(ev, fn) {
        var havehook = false, h, i;
        for (var i=0, l=this.hooks.length; i<l; i++) {
            h = this.hooks[i];
            if (h[0] == ev && h[1] == fn) {
                havehook = true;
            }
        }
        if (!havehook) {
            this.hooks.push([ev, fn]);
        }
    };
    
    $.jqplot.EventListenerManager.prototype.add = function(ev, fn) {
        this.hooks.push([ev, fn]);
    };


    var _axisNames = ['yMidAxis', 'xaxis', 'yaxis', 'x2axis', 'y2axis', 'y3axis', 'y4axis', 'y5axis', 'y6axis', 'y7axis', 'y8axis', 'y9axis'];

    /**
     * Class: jqPlot
     * Plot object returned by call to $.jqplot.  Handles parsing user options,
     * creating sub objects (Axes, legend, title, series) and rendering the plot.
     */
    function jqPlot() {
        // Group: Properties
        // These properties are specified at the top of the options object
        // like so:
        // > {
        // >     axesDefaults:{min:0},
        // >     series:[{color:'#6633dd'}],
        // >     title: 'A Plot'
        // > }
        //

        // prop: animate
        // True to animate the series on initial plot draw (renderer dependent).
        // Actual animation functionality must be supported in the renderer.
        this.animate = false;
        // prop: animateReplot
        // True to animate series after a call to the replot() method.
        // Use with caution!  Replots can happen very frequently under
        // certain circumstances (e.g. resizing, dragging points) and
        // animation in these situations can cause problems.
        this.animateReplot = false;
        // prop: axes
        // up to 4 axes are supported, each with its own options, 
        // See <Axis> for axis specific options.
        this.axes = {xaxis: new Axis('xaxis'), yaxis: new Axis('yaxis'), x2axis: new Axis('x2axis'), y2axis: new Axis('y2axis'), y3axis: new Axis('y3axis'), y4axis: new Axis('y4axis'), y5axis: new Axis('y5axis'), y6axis: new Axis('y6axis'), y7axis: new Axis('y7axis'), y8axis: new Axis('y8axis'), y9axis: new Axis('y9axis'), yMidAxis: new Axis('yMidAxis')};
        this.baseCanvas = new $.jqplot.GenericCanvas();
        // true to intercept right click events and fire a 'jqplotRightClick' event.
        // this will also block the context menu.
        this.captureRightClick = false;
        // prop: data
        // user's data.  Data should *NOT* be specified in the options object,
        // but be passed in as the second argument to the $.jqplot() function.
        // The data property is described here soley for reference. 
        // The data should be in the form of an array of 2D or 1D arrays like
        // > [ [[x1, y1], [x2, y2],...], [y1, y2, ...] ].
        this.data = [];
        // prop: dataRenderer
        // A callable which can be used to preprocess data passed into the plot.
        // Will be called with 3 arguments: the plot data, a reference to the plot,
        // and the value of dataRendererOptions.
        this.dataRenderer;
        // prop: dataRendererOptions
        // Options that will be passed to the dataRenderer.
        // Can be of any type.
        this.dataRendererOptions;
        this.defaults = {
            // prop: axesDefaults
            // default options that will be applied to all axes.
            // see <Axis> for axes options.
            axesDefaults: {},
            axes: {xaxis:{}, yaxis:{}, x2axis:{}, y2axis:{}, y3axis:{}, y4axis:{}, y5axis:{}, y6axis:{}, y7axis:{}, y8axis:{}, y9axis:{}, yMidAxis:{}},
            // prop: seriesDefaults
            // default options that will be applied to all series.
            // see <Series> for series options.
            seriesDefaults: {},
            series:[]
        };
        // prop: defaultAxisStart
        // 1-D data series are internally converted into 2-D [x,y] data point arrays
        // by jqPlot.  This is the default starting value for the missing x or y value.
        // The added data will be a monotonically increasing series (e.g. [1, 2, 3, ...])
        // starting at this value.
        this.defaultAxisStart = 1;
        // this.doCustomEventBinding = true;
        // prop: drawIfHidden
        // True to execute the draw method even if the plot target is hidden.
        // Generally, this should be false.  Most plot elements will not be sized/
        // positioned correclty if renderered into a hidden container.  To render into
        // a hidden container, call the replot method when the container is shown.
        this.drawIfHidden = false;
        this.eventCanvas = new $.jqplot.GenericCanvas();
        // prop: fillBetween
        // Fill between 2 line series in a plot.
        // Options object:
        // {
        //    series1: first index (0 based) of series in fill
        //    series2: second index (0 based) of series in fill
        //    color: color of fill [default fillColor of series1]
        //    baseSeries:  fill will be drawn below this series (0 based index)
        //    fill: false to turn off fill [default true].
        //  }
        this.fillBetween = {
            series1: null,
            series2: null,
            color: null,
            baseSeries: 0,
            fill: true
        };
        // prop; fontFamily
        // css spec for the font-family attribute.  Default for the entire plot.
        this.fontFamily;
        // prop: fontSize
        // css spec for the font-size attribute.  Default for the entire plot.
        this.fontSize;
        // prop: grid
        // See <Grid> for grid specific options.
        this.grid = new Grid();
        // prop: legend
        // see <$.jqplot.TableLegendRenderer>
        this.legend = new Legend();
        // prop: noDataIndicator
        // Options to set up a mock plot with a data loading indicator if no data is specified.
        this.noDataIndicator = {    
            show: false,
            indicator: 'Loading Data...',
            axes: {
                xaxis: {
                    min: 0,
                    max: 10,
                    tickInterval: 2,
                    show: true
                },
                yaxis: {
                    min: 0,
                    max: 12,
                    tickInterval: 3,
                    show: true
                }
            }
        };
        // prop: negativeSeriesColors 
        // colors to use for portions of the line below zero.
        this.negativeSeriesColors = $.jqplot.config.defaultNegativeColors;
        // container to hold all of the merged options.  Convienence for plugins.
        this.options = {};
        this.previousSeriesStack = [];
        // Namespace to hold plugins.  Generally non-renderer plugins add themselves to here.
        this.plugins = {};
        // prop: series
        // Array of series object options.
        // see <Series> for series specific options.
        this.series = [];
        // array of series indices. Keep track of order
        // which series canvases are displayed, lowest
        // to highest, back to front.
        this.seriesStack = [];
        // prop: seriesColors
        // Ann array of CSS color specifications that will be applied, in order,
        // to the series in the plot.  Colors will wrap around so, if their
        // are more series than colors, colors will be reused starting at the
        // beginning.  For pie charts, this specifies the colors of the slices.
        this.seriesColors = $.jqplot.config.defaultColors;
        // prop: sortData
        // false to not sort the data passed in by the user.
        // Many bar, stacked and other graphs as well as many plugins depend on
        // having sorted data.
        this.sortData = true;
        // prop: stackSeries
        // true or false, creates a stack or "mountain" plot.
        // Not all series renderers may implement this option.
        this.stackSeries = false;
        // a shortcut for axis syncTicks options.  Not implemented yet.
        this.syncXTicks = true;
        // a shortcut for axis syncTicks options.  Not implemented yet.
        this.syncYTicks = true;
        // the jquery object for the dom target.
        this.target = null; 
        // The id of the dom element to render the plot into
        this.targetId = null;
        // prop textColor
        // css spec for the css color attribute.  Default for the entire plot.
        this.textColor;
        // prop: title
        // Title object.  See <Title> for specific options.  As a shortcut, you
        // can specify the title option as just a string like: title: 'My Plot'
        // and this will create a new title object with the specified text.
        this.title = new Title();
        // Count how many times the draw method has been called while the plot is visible.
        // Mostly used to test if plot has never been dran (=0), has been successfully drawn
        // into a visible container once (=1) or draw more than once into a visible container.
        // Can use this in tests to see if plot has been visibly drawn at least one time.
        // After plot has been visibly drawn once, it generally doesn't need redrawing if its
        // container is hidden and shown.
        this._drawCount = 0;
        // sum of y values for all series in plot.
        // used in mekko chart.
        this._sumy = 0;
        this._sumx = 0;
        // array to hold the cumulative stacked series data.
        // used to ajust the individual series data, which won't have access to other
        // series data.
        this._stackData = [];
        // array that holds the data to be plotted. This will be the series data
        // merged with the the appropriate data from _stackData according to the stackAxis.
        this._plotData = [];
        this._width = null;
        this._height = null; 
        this._plotDimensions = {height:null, width:null};
        this._gridPadding = {top:null, right:null, bottom:null, left:null};
        this._defaultGridPadding = {top:10, right:10, bottom:23, left:10};

        this._addDomReference = $.jqplot.config.addDomReference;

        this.preInitHooks = new $.jqplot.HooksManager();
        this.postInitHooks = new $.jqplot.HooksManager();
        this.preParseOptionsHooks = new $.jqplot.HooksManager();
        this.postParseOptionsHooks = new $.jqplot.HooksManager();
        this.preDrawHooks = new $.jqplot.HooksManager();
        this.postDrawHooks = new $.jqplot.HooksManager();
        this.preDrawSeriesHooks = new $.jqplot.HooksManager();
        this.postDrawSeriesHooks = new $.jqplot.HooksManager();
        this.preDrawLegendHooks = new $.jqplot.HooksManager();
        this.addLegendRowHooks = new $.jqplot.HooksManager();
        this.preSeriesInitHooks = new $.jqplot.HooksManager();
        this.postSeriesInitHooks = new $.jqplot.HooksManager();
        this.preParseSeriesOptionsHooks = new $.jqplot.HooksManager();
        this.postParseSeriesOptionsHooks = new $.jqplot.HooksManager();
        this.eventListenerHooks = new $.jqplot.EventListenerManager();
        this.preDrawSeriesShadowHooks = new $.jqplot.HooksManager();
        this.postDrawSeriesShadowHooks = new $.jqplot.HooksManager();
        
        this.colorGenerator = new $.jqplot.ColorGenerator();
        this.negativeColorGenerator = new $.jqplot.ColorGenerator();

        this.canvasManager = new $.jqplot.CanvasManager();

        this.themeEngine = new $.jqplot.ThemeEngine();
        
        var seriesColorsIndex = 0;

        // Group: methods
        //
        // method: init
        // sets the plot target, checks data and applies user
        // options to plot.
        this.init = function(target, data, options) {
            options = options || {};
            for (var i=0; i<$.jqplot.preInitHooks.length; i++) {
                $.jqplot.preInitHooks[i].call(this, target, data, options);
            }

            for (var i=0; i<this.preInitHooks.hooks.length; i++) {
                this.preInitHooks.hooks[i].call(this, target, data, options);
            }
            
            this.targetId = '#'+target;
            this.target = $('#'+target);

            //////
            // Add a reference to plot
            //////
            if (this._addDomReference) {
                this.target.data('jqplot', this);
            }
            // remove any error class that may be stuck on target.
            this.target.removeClass('jqplot-error');
            if (!this.target.get(0)) {
                throw new Error("No plot target specified");
            }
            
            // make sure the target is positioned by some means and set css
            if (this.target.css('position') == 'static') {
                this.target.css('position', 'relative');
            }
            if (!this.target.hasClass('jqplot-target')) {
                this.target.addClass('jqplot-target');
            }
            
            // if no height or width specified, use a default.
            if (!this.target.height()) {
                var h;
                if (options && options.height) {
                    h = parseInt(options.height, 10);
                }
                else if (this.target.attr('data-height')) {
                    h = parseInt(this.target.attr('data-height'), 10);
                }
                else {
                    h = parseInt($.jqplot.config.defaultHeight, 10);
                }
                this._height = h;
                this.target.css('height', h+'px');
            }
            else {
                this._height = h = this.target.height();
            }
            if (!this.target.width()) {
                var w;
                if (options && options.width) {
                    w = parseInt(options.width, 10);
                }
                else if (this.target.attr('data-width')) {
                    w = parseInt(this.target.attr('data-width'), 10);
                }
                else {
                    w = parseInt($.jqplot.config.defaultWidth, 10);
                }
                this._width = w;
                this.target.css('width', w+'px');
            }
            else {
                this._width = w = this.target.width();
            }

            for (var i=0, l=_axisNames.length; i<l; i++) {
                this.axes[_axisNames[i]] = new Axis(_axisNames[i]);
            }
            
            this._plotDimensions.height = this._height;
            this._plotDimensions.width = this._width;
            this.grid._plotDimensions = this._plotDimensions;
            this.title._plotDimensions = this._plotDimensions;
            this.baseCanvas._plotDimensions = this._plotDimensions;
            this.eventCanvas._plotDimensions = this._plotDimensions;
            this.legend._plotDimensions = this._plotDimensions;
            if (this._height <=0 || this._width <=0 || !this._height || !this._width) {
                throw new Error("Canvas dimension not set");
            }
            
            if (options.dataRenderer && $.isFunction(options.dataRenderer)) {
                if (options.dataRendererOptions) {
                    this.dataRendererOptions = options.dataRendererOptions;
                }
                this.dataRenderer = options.dataRenderer;
                data = this.dataRenderer(data, this, this.dataRendererOptions);
            }
            
            if (options.noDataIndicator && $.isPlainObject(options.noDataIndicator)) {
                $.extend(true, this.noDataIndicator, options.noDataIndicator);
            }
            
            if (data == null || $.isArray(data) == false || data.length == 0 || $.isArray(data[0]) == false || data[0].length == 0) {
                
                if (this.noDataIndicator.show == false) {
                    throw new Error("No data specified");
                }
                
                else {
                    // have to be descructive here in order for plot to not try and render series.
                    // This means that $.jqplot() will have to be called again when there is data.
                    //delete options.series;
                    
                    for (var ax in this.noDataIndicator.axes) {
                        for (var prop in this.noDataIndicator.axes[ax]) {
                            this.axes[ax][prop] = this.noDataIndicator.axes[ax][prop];
                        }
                    }
                    
                    this.postDrawHooks.add(function() {
                        var eh = this.eventCanvas.getHeight();
                        var ew = this.eventCanvas.getWidth();
                        var temp = $('<div class="jqplot-noData-container" style="position:absolute;"></div>');
                        this.target.append(temp);
                        temp.height(eh);
                        temp.width(ew);
                        temp.css('top', this.eventCanvas._offsets.top);
                        temp.css('left', this.eventCanvas._offsets.left);
                        
                        var temp2 = $('<div class="jqplot-noData-contents" style="text-align:center; position:relative; margin-left:auto; margin-right:auto;"></div>');
                        temp.append(temp2);
                        temp2.html(this.noDataIndicator.indicator);
                        var th = temp2.height();
                        var tw = temp2.width();
                        temp2.height(th);
                        temp2.width(tw);
                        temp2.css('top', (eh - th)/2 + 'px');
                    });

                }
            }
            
            // make a copy of the data
            this.data = $.extend(true, [], data);
            
            this.parseOptions(options);
            
            if (this.textColor) {
                this.target.css('color', this.textColor);
            }
            if (this.fontFamily) {
                this.target.css('font-family', this.fontFamily);
            }
            if (this.fontSize) {
                this.target.css('font-size', this.fontSize);
            }
            
            this.title.init();
            this.legend.init();
            this._sumy = 0;
            this._sumx = 0;
            this.computePlotData();
            for (var i=0; i<this.series.length; i++) {
                // set default stacking order for series canvases
                this.seriesStack.push(i);
                this.previousSeriesStack.push(i);
                this.series[i].shadowCanvas._plotDimensions = this._plotDimensions;
                this.series[i].canvas._plotDimensions = this._plotDimensions;
                for (var j=0; j<$.jqplot.preSeriesInitHooks.length; j++) {
                    $.jqplot.preSeriesInitHooks[j].call(this.series[i], target, this.data, this.options.seriesDefaults, this.options.series[i], this);
                }
                for (var j=0; j<this.preSeriesInitHooks.hooks.length; j++) {
                    this.preSeriesInitHooks.hooks[j].call(this.series[i], target, this.data, this.options.seriesDefaults, this.options.series[i], this);
                }
                // this.populatePlotData(this.series[i], i);
                this.series[i]._plotDimensions = this._plotDimensions;
                this.series[i].init(i, this.grid.borderWidth, this);
                for (var j=0; j<$.jqplot.postSeriesInitHooks.length; j++) {
                    $.jqplot.postSeriesInitHooks[j].call(this.series[i], target, this.data, this.options.seriesDefaults, this.options.series[i], this);
                }
                for (var j=0; j<this.postSeriesInitHooks.hooks.length; j++) {
                    this.postSeriesInitHooks.hooks[j].call(this.series[i], target, this.data, this.options.seriesDefaults, this.options.series[i], this);
                }
                this._sumy += this.series[i]._sumy;
                this._sumx += this.series[i]._sumx;
            }

            var name,
                axis;
            for (var i=0, l=_axisNames.length; i<l; i++) {
                name = _axisNames[i];
                axis = this.axes[name];
                axis._plotDimensions = this._plotDimensions;
                axis.init();
                if (this.axes[name].borderColor == null) {
                    if (name.charAt(0) !== 'x' && axis.useSeriesColor === true && axis.show) {
                        axis.borderColor = axis._series[0].color;
                    }
                    else {
                        axis.borderColor = this.grid.borderColor;
                    }
                }
            }
            
            if (this.sortData) {
                sortData(this.series);
            }
            this.grid.init();
            this.grid._axes = this.axes;
            
            this.legend._series = this.series;

            for (var i=0; i<$.jqplot.postInitHooks.length; i++) {
                $.jqplot.postInitHooks[i].call(this, target, this.data, options);
            }

            for (var i=0; i<this.postInitHooks.hooks.length; i++) {
                this.postInitHooks.hooks[i].call(this, target, this.data, options);
            }
        };  
        
        // method: resetAxesScale
        // Reset the specified axes min, max, numberTicks and tickInterval properties to null
        // or reset these properties on all axes if no list of axes is provided.
        //
        // Parameters:
        // axes - Boolean to reset or not reset all axes or an array or object of axis names to reset.
        this.resetAxesScale = function(axes, options) {
            var opts = options || {};
            var ax = axes || this.axes;
            if (ax === true) {
                ax = this.axes;
            }
            if ($.isArray(ax)) {
                for (var i = 0; i < ax.length; i++) {
                    this.axes[ax[i]].resetScale(opts[ax[i]]);
                }
            }
            else if (typeof(ax) === 'object') {
                for (var name in ax) {
                    this.axes[name].resetScale(opts[name]);
                }
            }
        };
        // method: reInitialize
        // reinitialize plot for replotting.
        // not called directly.
        this.reInitialize = function (data, opts) {
            // Plot should be visible and have a height and width.
            // If plot doesn't have height and width for some
            // reason, set it by other means.  Plot must not have
            // a display:none attribute, however.

            var options = $.extend(true, {}, this.options, opts);

            var target = this.targetId.substr(1);
            var tdata = (data == null) ? this.data : data;

            for (var i=0; i<$.jqplot.preInitHooks.length; i++) {
                $.jqplot.preInitHooks[i].call(this, target, tdata, options);
            }

            for (var i=0; i<this.preInitHooks.hooks.length; i++) {
                this.preInitHooks.hooks[i].call(this, target, tdata, options);
            }
            
            this._height = this.target.height();
            this._width = this.target.width();
            
            if (this._height <=0 || this._width <=0 || !this._height || !this._width) {
                throw new Error("Target dimension not set");
            }
            
            this._plotDimensions.height = this._height;
            this._plotDimensions.width = this._width;
            this.grid._plotDimensions = this._plotDimensions;
            this.title._plotDimensions = this._plotDimensions;
            this.baseCanvas._plotDimensions = this._plotDimensions;
            this.eventCanvas._plotDimensions = this._plotDimensions;
            this.legend._plotDimensions = this._plotDimensions;

            var name,
                t, 
                j, 
                axis;

            for (var i=0, l=_axisNames.length; i<l; i++) {
                name = _axisNames[i];
                axis = this.axes[name];

                // Memory Leaks patch : clear ticks elements
                t = axis._ticks;
                for (var j = 0, tlen = t.length; j < tlen; j++) {
                  var el = t[j]._elem;
                  if (el) {
                    // if canvas renderer
                    if ($.jqplot.use_excanvas && window.G_vmlCanvasManager.uninitElement !== undefined) {
                      window.G_vmlCanvasManager.uninitElement(el.get(0));
                    }
                    el.emptyForce();
                    el = null;
                    t._elem = null;
                  }
                }
                t = null;

                delete axis.ticks;
                delete axis._ticks;
                this.axes[name] = new Axis(name);
                this.axes[name]._plotWidth = this._width;
                this.axes[name]._plotHeight = this._height;
            }
            
            if (data) {
                if (options.dataRenderer && $.isFunction(options.dataRenderer)) {
                    if (options.dataRendererOptions) {
                        this.dataRendererOptions = options.dataRendererOptions;
                    }
                    this.dataRenderer = options.dataRenderer;
                    data = this.dataRenderer(data, this, this.dataRendererOptions);
                }
                
                // make a copy of the data
                this.data = $.extend(true, [], data);
            }

            if (opts) {
                this.parseOptions(options);
            }
            
            this.title._plotWidth = this._width;
            
            if (this.textColor) {
                this.target.css('color', this.textColor);
            }
            if (this.fontFamily) {
                this.target.css('font-family', this.fontFamily);
            }
            if (this.fontSize) {
                this.target.css('font-size', this.fontSize);
            }

            this.title.init();
            this.legend.init();
            this._sumy = 0;
            this._sumx = 0;

            this.seriesStack = [];
            this.previousSeriesStack = [];

            this.computePlotData();
            for (var i=0, l=this.series.length; i<l; i++) {
                // set default stacking order for series canvases
                this.seriesStack.push(i);
                this.previousSeriesStack.push(i);
                this.series[i].shadowCanvas._plotDimensions = this._plotDimensions;
                this.series[i].canvas._plotDimensions = this._plotDimensions;
                for (var j=0; j<$.jqplot.preSeriesInitHooks.length; j++) {
                    $.jqplot.preSeriesInitHooks[j].call(this.series[i], target, this.data, this.options.seriesDefaults, this.options.series[i], this);
                }
                for (var j=0; j<this.preSeriesInitHooks.hooks.length; j++) {
                    this.preSeriesInitHooks.hooks[j].call(this.series[i], target, this.data, this.options.seriesDefaults, this.options.series[i], this);
                }
                // this.populatePlotData(this.series[i], i);
                this.series[i]._plotDimensions = this._plotDimensions;
                this.series[i].init(i, this.grid.borderWidth, this);
                for (var j=0; j<$.jqplot.postSeriesInitHooks.length; j++) {
                    $.jqplot.postSeriesInitHooks[j].call(this.series[i], target, this.data, this.options.seriesDefaults, this.options.series[i], this);
                }
                for (var j=0; j<this.postSeriesInitHooks.hooks.length; j++) {
                    this.postSeriesInitHooks.hooks[j].call(this.series[i], target, this.data, this.options.seriesDefaults, this.options.series[i], this);
                }
                this._sumy += this.series[i]._sumy;
                this._sumx += this.series[i]._sumx;
            }

            for (var i=0, l=_axisNames.length; i<l; i++) {
                name = _axisNames[i];
                axis = this.axes[name];

                axis._plotDimensions = this._plotDimensions;
                axis.init();
                if (axis.borderColor == null) {
                    if (name.charAt(0) !== 'x' && axis.useSeriesColor === true && axis.show) {
                        axis.borderColor = axis._series[0].color;
                    }
                    else {
                        axis.borderColor = this.grid.borderColor;
                    }
                }
            }
            
            if (this.sortData) {
                sortData(this.series);
            }
            this.grid.init();
            this.grid._axes = this.axes;
            
            this.legend._series = this.series;

            for (var i=0, l=$.jqplot.postInitHooks.length; i<l; i++) {
                $.jqplot.postInitHooks[i].call(this, target, this.data, options);
            }

            for (var i=0, l=this.postInitHooks.hooks.length; i<l; i++) {
                this.postInitHooks.hooks[i].call(this, target, this.data, options);
            }
        };



        // method: quickInit
        // 
        // Quick reinitialization plot for replotting.
        // Does not parse options ore recreate axes and series.
        // not called directly.
        this.quickInit = function () {
            // Plot should be visible and have a height and width.
            // If plot doesn't have height and width for some
            // reason, set it by other means.  Plot must not have
            // a display:none attribute, however.
            
            this._height = this.target.height();
            this._width = this.target.width();
            
            if (this._height <=0 || this._width <=0 || !this._height || !this._width) {
                throw new Error("Target dimension not set");
            }
            
            this._plotDimensions.height = this._height;
            this._plotDimensions.width = this._width;
            this.grid._plotDimensions = this._plotDimensions;
            this.title._plotDimensions = this._plotDimensions;
            this.baseCanvas._plotDimensions = this._plotDimensions;
            this.eventCanvas._plotDimensions = this._plotDimensions;
            this.legend._plotDimensions = this._plotDimensions;
            
            for (var n in this.axes) {
                this.axes[n]._plotWidth = this._width;
                this.axes[n]._plotHeight = this._height;
            }
            
            this.title._plotWidth = this._width;
            
            if (this.textColor) {
                this.target.css('color', this.textColor);
            }
            if (this.fontFamily) {
                this.target.css('font-family', this.fontFamily);
            }
            if (this.fontSize) {
                this.target.css('font-size', this.fontSize);
            }
            
            this._sumy = 0;
            this._sumx = 0;
            this.computePlotData();
            for (var i=0; i<this.series.length; i++) {
                // this.populatePlotData(this.series[i], i);
                if (this.series[i]._type === 'line' && this.series[i].renderer.bands.show) {
                    this.series[i].renderer.initBands.call(this.series[i], this.series[i].renderer.options, this);
                }
                this.series[i]._plotDimensions = this._plotDimensions;
                this.series[i].canvas._plotDimensions = this._plotDimensions;
                //this.series[i].init(i, this.grid.borderWidth);
                this._sumy += this.series[i]._sumy;
                this._sumx += this.series[i]._sumx;
            }

            var name;
            
            for (var j=0; j<12; j++) {
                name = _axisNames[j];
                // Memory Leaks patch : clear ticks elements
                var t = this.axes[name]._ticks;
                for (var i = 0; i < t.length; i++) {
                  var el = t[i]._elem;
                  if (el) {
                    // if canvas renderer
                    if ($.jqplot.use_excanvas && window.G_vmlCanvasManager.uninitElement !== undefined) {
                      window.G_vmlCanvasManager.uninitElement(el.get(0));
                    }
                    el.emptyForce();
                    el = null;
                    t._elem = null;
                  }
                }
                t = null;
                
                this.axes[name]._plotDimensions = this._plotDimensions;
                this.axes[name]._ticks = [];
                // this.axes[name].renderer.init.call(this.axes[name], {});
            }
            
            if (this.sortData) {
                sortData(this.series);
            }
            
            this.grid._axes = this.axes;
            
            this.legend._series = this.series;
        };
        
        // sort the series data in increasing order.
        function sortData(series) {
            var d, sd, pd, ppd, ret;
            for (var i=0; i<series.length; i++) {
                var check;
                var bat = [series[i].data, series[i]._stackData, series[i]._plotData, series[i]._prevPlotData];
                for (var n=0; n<4; n++) {
                    check = true;
                    d = bat[n];
                    if (series[i]._stackAxis == 'x') {
                        for (var j = 0; j < d.length; j++) {
                            if (typeof(d[j][1]) != "number") {
                                check = false;
                                break;
                            }
                        }
                        if (check) {
                            d.sort(function(a,b) { return a[1] - b[1]; });
                        }
                    }
                    else {
                        for (var j = 0; j < d.length; j++) {
                            if (typeof(d[j][0]) != "number") {
                                check = false;
                                break;
                            }
                        }
                        if (check) {
                            d.sort(function(a,b) { return a[0] - b[0]; });
                        }
                    }
                }
               
            }
        }

        this.computePlotData = function() {
            this._plotData = [];
            this._stackData = [];
            var series,
                index,
                l;


            for (index=0, l=this.series.length; index<l; index++) {
                series = this.series[index];
                this._plotData.push([]);
                this._stackData.push([]);
                var cd = series.data;
                this._plotData[index] = $.extend(true, [], cd);
                this._stackData[index] = $.extend(true, [], cd);
                series._plotData = this._plotData[index];
                series._stackData = this._stackData[index];
                var plotValues = {x:[], y:[]};

                if (this.stackSeries && !series.disableStack) {
                    series._stack = true;
                    ///////////////////////////
                    // have to check for nulls
                    ///////////////////////////
                    var sidx = (series._stackAxis === 'x') ? 0 : 1;

                    for (var k=0, cdl=cd.length; k<cdl; k++) {
                        var temp = cd[k][sidx];
                        if (temp == null) {
                            temp = 0;
                        }
                        this._plotData[index][k][sidx] = temp;
                        this._stackData[index][k][sidx] = temp;

                        if (index > 0) {
                            for (var j=index; j--;) {
                                var prevval = this._plotData[j][k][sidx];
                                // only need to sum up the stack axis column of data
                                // and only sum if it is of same sign.
                                // if previous series isn't same sign, keep looking
                                // at earlier series untill we find one of same sign.
                                if (temp * prevval >= 0) {
                                    this._plotData[index][k][sidx] += prevval;
                                    this._stackData[index][k][sidx] += prevval;
                                    break;
                                } 
                            }
                        }
                    }

                }
                else {
                    for (var i=0; i<series.data.length; i++) {
                        plotValues.x.push(series.data[i][0]);
                        plotValues.y.push(series.data[i][1]);
                    }
                    this._stackData.push(series.data);
                    this.series[index]._stackData = series.data;
                    this._plotData.push(series.data);
                    series._plotData = series.data;
                    series._plotValues = plotValues;
                }
                if (index>0) {
                    series._prevPlotData = this.series[index-1]._plotData;
                }
                series._sumy = 0;
                series._sumx = 0;
                for (i=series.data.length-1; i>-1; i--) {
                    series._sumy += series.data[i][1];
                    series._sumx += series.data[i][0];
                }
            }

        };
        
        // populate the _stackData and _plotData arrays for the plot and the series.
        this.populatePlotData = function(series, index) {
            // if a stacked chart, compute the stacked data
            this._plotData = [];
            this._stackData = [];
            series._stackData = [];
            series._plotData = [];
            var plotValues = {x:[], y:[]};
            if (this.stackSeries && !series.disableStack) {
                series._stack = true;
                var sidx = (series._stackAxis === 'x') ? 0 : 1;
                // var idx = sidx ? 0 : 1;
                // push the current data into stackData
                //this._stackData.push(this.series[i].data);
                var temp = $.extend(true, [], series.data);
                // create the data that will be plotted for this series
                var plotdata = $.extend(true, [], series.data);
                var tempx, tempy, dval, stackval, comparator;
                // for first series, nothing to add to stackData.
                for (var j=0; j<index; j++) {
                    var cd = this.series[j].data;
                    for (var k=0; k<cd.length; k++) {
                        dval = cd[k];
                        tempx = (dval[0] != null) ? dval[0] : 0;
                        tempy = (dval[1] != null) ? dval[1] : 0;
                        temp[k][0] += tempx;
                        temp[k][1] += tempy;
                        stackval = (sidx) ? tempy : tempx;
                        // only need to sum up the stack axis column of data
                        // and only sum if it is of same sign.
                        if (series.data[k][sidx] * stackval >= 0) {
                            plotdata[k][sidx] += stackval;
                        }
                    }
                }
                for (var i=0; i<plotdata.length; i++) {
                    plotValues.x.push(plotdata[i][0]);
                    plotValues.y.push(plotdata[i][1]);
                }
                this._plotData.push(plotdata);
                this._stackData.push(temp);
                series._stackData = temp;
                series._plotData = plotdata;
                series._plotValues = plotValues;
            }
            else {
                for (var i=0; i<series.data.length; i++) {
                    plotValues.x.push(series.data[i][0]);
                    plotValues.y.push(series.data[i][1]);
                }
                this._stackData.push(series.data);
                this.series[index]._stackData = series.data;
                this._plotData.push(series.data);
                series._plotData = series.data;
                series._plotValues = plotValues;
            }
            if (index>0) {
                series._prevPlotData = this.series[index-1]._plotData;
            }
            series._sumy = 0;
            series._sumx = 0;
            for (i=series.data.length-1; i>-1; i--) {
                series._sumy += series.data[i][1];
                series._sumx += series.data[i][0];
            }
        };
        
        // function to safely return colors from the color array and wrap around at the end.
        this.getNextSeriesColor = (function(t) {
            var idx = 0;
            var sc = t.seriesColors;
            
            return function () { 
                if (idx < sc.length) {
                    return sc[idx++];
                }
                else {
                    idx = 0;
                    return sc[idx++];
                }
            };
        })(this);
    
        this.parseOptions = function(options){
            for (var i=0; i<this.preParseOptionsHooks.hooks.length; i++) {
                this.preParseOptionsHooks.hooks[i].call(this, options);
            }
            for (var i=0; i<$.jqplot.preParseOptionsHooks.length; i++) {
                $.jqplot.preParseOptionsHooks[i].call(this, options);
            }
            this.options = $.extend(true, {}, this.defaults, options);
            var opts = this.options;
            this.animate = opts.animate;
            this.animateReplot = opts.animateReplot;
            this.stackSeries = opts.stackSeries;
            if ($.isPlainObject(opts.fillBetween)) {

                var temp = ['series1', 'series2', 'color', 'baseSeries', 'fill'], 
                    tempi;

                for (var i=0, l=temp.length; i<l; i++) {
                    tempi = temp[i];
                    if (opts.fillBetween[tempi] != null) {
                        this.fillBetween[tempi] = opts.fillBetween[tempi];
                    }
                }
            }

            if (opts.seriesColors) {
                this.seriesColors = opts.seriesColors;
            }
            if (opts.negativeSeriesColors) {
                this.negativeSeriesColors = opts.negativeSeriesColors;
            }
            if (opts.captureRightClick) {
                this.captureRightClick = opts.captureRightClick;
            }
            this.defaultAxisStart = (options && options.defaultAxisStart != null) ? options.defaultAxisStart : this.defaultAxisStart;
            this.colorGenerator.setColors(this.seriesColors);
            this.negativeColorGenerator.setColors(this.negativeSeriesColors);
            // var cg = new this.colorGenerator(this.seriesColors);
            // var ncg = new this.colorGenerator(this.negativeSeriesColors);
            // this._gridPadding = this.options.gridPadding;
            $.extend(true, this._gridPadding, opts.gridPadding);
            this.sortData = (opts.sortData != null) ? opts.sortData : this.sortData;
            for (var i=0; i<12; i++) {
                var n = _axisNames[i];
                var axis = this.axes[n];
                axis._options = $.extend(true, {}, opts.axesDefaults, opts.axes[n]);
                $.extend(true, axis, opts.axesDefaults, opts.axes[n]);
                axis._plotWidth = this._width;
                axis._plotHeight = this._height;
            }
            // if (this.data.length == 0) {
            //     this.data = [];
            //     for (var i=0; i<this.options.series.length; i++) {
            //         this.data.push(this.options.series.data);
            //     }    
            // }
                
            var normalizeData = function(data, dir, start) {
                // return data as an array of point arrays,
                // in form [[x1,y1...], [x2,y2...], ...]
                var temp = [];
                var i, l;
                dir = dir || 'vertical';
                if (!$.isArray(data[0])) {
                    // we have a series of scalars.  One line with just y values.
                    // turn the scalar list of data into a data array of form:
                    // [[1, data[0]], [2, data[1]], ...]
                    for (i=0, l=data.length; i<l; i++) {
                        if (dir == 'vertical') {
                            temp.push([start + i, data[i]]);   
                        }
                        else {
                            temp.push([data[i], start+i]);
                        }
                    }
                }            
                else {
                    // we have a properly formatted data series, copy it.
                    $.extend(true, temp, data);
                }
                return temp;
            };

            var colorIndex = 0;
            this.series = [];
            for (var i=0; i<this.data.length; i++) {
                var sopts = $.extend(true, {index: i}, {seriesColors:this.seriesColors, negativeSeriesColors:this.negativeSeriesColors}, this.options.seriesDefaults, this.options.series[i], {rendererOptions:{animation:{show: this.animate}}});
                // pass in options in case something needs set prior to initialization.
                var temp = new Series(sopts);
                for (var j=0; j<$.jqplot.preParseSeriesOptionsHooks.length; j++) {
                    $.jqplot.preParseSeriesOptionsHooks[j].call(temp, this.options.seriesDefaults, this.options.series[i]);
                }
                for (var j=0; j<this.preParseSeriesOptionsHooks.hooks.length; j++) {
                    this.preParseSeriesOptionsHooks.hooks[j].call(temp, this.options.seriesDefaults, this.options.series[i]);
                }
                // Now go back and apply the options to the series.  Really should just do this during initializaiton, but don't want to
                // mess up preParseSeriesOptionsHooks at this point.
                $.extend(true, temp, sopts);
                var dir = 'vertical';
                if (temp.renderer === $.jqplot.BarRenderer && temp.rendererOptions && temp.rendererOptions.barDirection == 'horizontal') {
                    dir = 'horizontal';
                    temp._stackAxis = 'x';
                    temp._primaryAxis = '_yaxis';
                }
                temp.data = normalizeData(this.data[i], dir, this.defaultAxisStart);
                switch (temp.xaxis) {
                    case 'xaxis':
                        temp._xaxis = this.axes.xaxis;
                        break;
                    case 'x2axis':
                        temp._xaxis = this.axes.x2axis;
                        break;
                    default:
                        break;
                }
                temp._yaxis = this.axes[temp.yaxis];
                temp._xaxis._series.push(temp);
                temp._yaxis._series.push(temp);
                if (temp.show) {
                    temp._xaxis.show = true;
                    temp._yaxis.show = true;
                }
                else {
                    if (temp._xaxis.scaleToHiddenSeries) {
                        temp._xaxis.show = true;
                    }
                    if (temp._yaxis.scaleToHiddenSeries) {
                        temp._yaxis.show = true;
                    }
                }

                // // parse the renderer options and apply default colors if not provided
                // if (!temp.color && temp.show != false) {
                //     temp.color = cg.next();
                //     colorIndex = cg.getIndex() - 1;;
                // }
                // if (!temp.negativeColor && temp.show != false) {
                //     temp.negativeColor = ncg.get(colorIndex);
                //     ncg.setIndex(colorIndex);
                // }
                if (!temp.label) {
                    temp.label = 'Series '+ (i+1).toString();
                }
                // temp.rendererOptions.show = temp.show;
                // $.extend(true, temp.renderer, {color:this.seriesColors[i]}, this.rendererOptions);
                this.series.push(temp);  
                for (var j=0; j<$.jqplot.postParseSeriesOptionsHooks.length; j++) {
                    $.jqplot.postParseSeriesOptionsHooks[j].call(this.series[i], this.options.seriesDefaults, this.options.series[i]);
                }
                for (var j=0; j<this.postParseSeriesOptionsHooks.hooks.length; j++) {
                    this.postParseSeriesOptionsHooks.hooks[j].call(this.series[i], this.options.seriesDefaults, this.options.series[i]);
                }
            }
            
            // copy the grid and title options into this object.
            $.extend(true, this.grid, this.options.grid);
            // if axis border properties aren't set, set default.
            for (var i=0, l=_axisNames.length; i<l; i++) {
                var n = _axisNames[i];
                var axis = this.axes[n];
                if (axis.borderWidth == null) {
                    axis.borderWidth =this.grid.borderWidth;
                }
            }
            
            if (typeof this.options.title == 'string') {
                this.title.text = this.options.title;
            }
            else if (typeof this.options.title == 'object') {
                $.extend(true, this.title, this.options.title);
            }
            this.title._plotWidth = this._width;
            this.legend.setOptions(this.options.legend);
            
            for (var i=0; i<$.jqplot.postParseOptionsHooks.length; i++) {
                $.jqplot.postParseOptionsHooks[i].call(this, options);
            }
            for (var i=0; i<this.postParseOptionsHooks.hooks.length; i++) {
                this.postParseOptionsHooks.hooks[i].call(this, options);
            }
        };
        
        // method: destroy
        // Releases all resources occupied by the plot
        this.destroy = function() {
            this.canvasManager.freeAllCanvases();
            if (this.eventCanvas && this.eventCanvas._elem) {
                this.eventCanvas._elem.unbind();
            }
            // Couple of posts on Stack Overflow indicate that empty() doesn't
            // always cear up the dom and release memory.  Sometimes setting
            // innerHTML property to null is needed.  Particularly on IE, may 
            // have to directly set it to null, bypassing $.
            this.target.empty();

            this.target[0].innerHTML = '';
        };
        
        // method: replot
        // Does a reinitialization of the plot followed by
        // a redraw.  Method could be used to interactively
        // change plot characteristics and then replot.
        //
        // Parameters:
        // options - Options used for replotting.
        //
        // Properties:
        // clear - false to not clear (empty) the plot container before replotting (default: true).
        // resetAxes - true to reset all axes min, max, numberTicks and tickInterval setting so axes will rescale themselves.
        //             optionally pass in list of axes to reset (e.g. ['xaxis', 'y2axis']) (default: false).
        this.replot = function(options) {
            var opts =  options || {};
            var data = opts.data || null;
            var clear = (opts.clear === false) ? false : true;
            var resetAxes = opts.resetAxes || false;
            delete opts.data;
            delete opts.clear;
            delete opts.resetAxes;

            this.target.trigger('jqplotPreReplot');
            
            if (clear) {
                this.destroy();
            }
            // if have data or other options, full reinit.
            // otherwise, quickinit.
            if (data || !$.isEmptyObject(opts)) {
                this.reInitialize(data, opts);
            }
            else {
                this.quickInit();
            }

            if (resetAxes) {
                this.resetAxesScale(resetAxes, opts.axes);
            }
            this.draw();
            this.target.trigger('jqplotPostReplot');
        };
        
        // method: redraw
        // Empties the plot target div and redraws the plot.
        // This enables plot data and properties to be changed
        // and then to comletely clear the plot and redraw.
        // redraw *will not* reinitialize any plot elements.
        // That is, axes will not be autoscaled and defaults
        // will not be reapplied to any plot elements.  redraw
        // is used primarily with zooming. 
        //
        // Parameters:
        // clear - false to not clear (empty) the plot container before redrawing (default: true).
        this.redraw = function(clear) {
            clear = (clear != null) ? clear : true;
            this.target.trigger('jqplotPreRedraw');
            if (clear) {
                this.canvasManager.freeAllCanvases();
                this.eventCanvas._elem.unbind();
                // Dont think I bind any events to the target, this shouldn't be necessary.
                // It will remove user's events.
                // this.target.unbind();
                this.target.empty();
            }
             for (var ax in this.axes) {
                this.axes[ax]._ticks = [];
            }
            this.computePlotData();
            // for (var i=0; i<this.series.length; i++) {
            //     this.populatePlotData(this.series[i], i);
            // }
            this._sumy = 0;
            this._sumx = 0;
            for (var i=0, tsl = this.series.length; i<tsl; i++) {
                this._sumy += this.series[i]._sumy;
                this._sumx += this.series[i]._sumx;
            }
            this.draw();
            this.target.trigger('jqplotPostRedraw');
        };
        
        // method: draw
        // Draws all elements of the plot into the container.
        // Does not clear the container before drawing.
        this.draw = function(){
            if (this.drawIfHidden || this.target.is(':visible')) {
                this.target.trigger('jqplotPreDraw');
                var i,
                    j,
                    l,
                    tempseries;
                for (i=0, l=$.jqplot.preDrawHooks.length; i<l; i++) {
                    $.jqplot.preDrawHooks[i].call(this);
                }
                for (i=0, l=this.preDrawHooks.hooks.length; i<l; i++) {
                    this.preDrawHooks.hooks[i].apply(this, this.preDrawSeriesHooks.args[i]);
                }
                // create an underlying canvas to be used for special features.
                this.target.append(this.baseCanvas.createElement({left:0, right:0, top:0, bottom:0}, 'jqplot-base-canvas', null, this));
                this.baseCanvas.setContext();
                this.target.append(this.title.draw());
                this.title.pack({top:0, left:0});
                
                // make room  for the legend between the grid and the edge.
                // pass a dummy offsets object and a reference to the plot.
                var legendElem = this.legend.draw({}, this);
                
                var gridPadding = {top:0, left:0, bottom:0, right:0};
                
                if (this.legend.placement == "outsideGrid") {
                    // temporarily append the legend to get dimensions
                    this.target.append(legendElem);
                    switch (this.legend.location) {
                        case 'n':
                            gridPadding.top += this.legend.getHeight();
                            break;
                        case 's':
                            gridPadding.bottom += this.legend.getHeight();
                            break;
                        case 'ne':
                        case 'e':
                        case 'se':
                            gridPadding.right += this.legend.getWidth();
                            break;
                        case 'nw':
                        case 'w':
                        case 'sw':
                            gridPadding.left += this.legend.getWidth();
                            break;
                        default:  // same as 'ne'
                            gridPadding.right += this.legend.getWidth();
                            break;
                    }
                    legendElem = legendElem.detach();
                }
                
                var ax = this.axes;
                var name;
                // draw the yMidAxis first, so xaxis of pyramid chart can adjust itself if needed.
                for (i=0; i<12; i++) {
                    name = _axisNames[i];
                    this.target.append(ax[name].draw(this.baseCanvas._ctx, this));
                    ax[name].set();
                }
                if (ax.yaxis.show) {
                    gridPadding.left += ax.yaxis.getWidth();
                }
                var ra = ['y2axis', 'y3axis', 'y4axis', 'y5axis', 'y6axis', 'y7axis', 'y8axis', 'y9axis'];
                var rapad = [0, 0, 0, 0, 0, 0, 0, 0];
                var gpr = 0;
                var n;
                for (n=0; n<8; n++) {
                    if (ax[ra[n]].show) {
                        gpr += ax[ra[n]].getWidth();
                        rapad[n] = gpr;
                    }
                }
                gridPadding.right += gpr;
                if (ax.x2axis.show) {
                    gridPadding.top += ax.x2axis.getHeight();
                }
                if (this.title.show) {
                    gridPadding.top += this.title.getHeight();
                }
                if (ax.xaxis.show) {
                    gridPadding.bottom += ax.xaxis.getHeight();
                }
                
                // end of gridPadding adjustments.

                // if user passed in gridDimensions option, check against calculated gridPadding
                if (this.options.gridDimensions && $.isPlainObject(this.options.gridDimensions)) {
                    var gdw = parseInt(this.options.gridDimensions.width, 10) || 0;
                    var gdh = parseInt(this.options.gridDimensions.height, 10) || 0;
                    var widthAdj = (this._width - gridPadding.left - gridPadding.right - gdw)/2;
                    var heightAdj = (this._height - gridPadding.top - gridPadding.bottom - gdh)/2;

                    if (heightAdj >= 0 && widthAdj >= 0) {
                        gridPadding.top += heightAdj;
                        gridPadding.bottom += heightAdj;
                        gridPadding.left += widthAdj;
                        gridPadding.right += widthAdj;
                    }
                }
                var arr = ['top', 'bottom', 'left', 'right'];
                for (var n in arr) {
                    if (this._gridPadding[arr[n]] == null && gridPadding[arr[n]] > 0) {
                        this._gridPadding[arr[n]] = gridPadding[arr[n]];
                    }
                    else if (this._gridPadding[arr[n]] == null) {
                        this._gridPadding[arr[n]] = this._defaultGridPadding[arr[n]];
                    }
                }
                
                var legendPadding = this._gridPadding;
                
                if (this.legend.placement === 'outsideGrid') {
                    legendPadding = {top:this.title.getHeight(), left: 0, right: 0, bottom: 0};
                    if (this.legend.location === 's') {
                        legendPadding.left = this._gridPadding.left;
                        legendPadding.right = this._gridPadding.right;
                    }
                }
                
                ax.xaxis.pack({position:'absolute', bottom:this._gridPadding.bottom - ax.xaxis.getHeight(), left:0, width:this._width}, {min:this._gridPadding.left, max:this._width - this._gridPadding.right});
                ax.yaxis.pack({position:'absolute', top:0, left:this._gridPadding.left - ax.yaxis.getWidth(), height:this._height}, {min:this._height - this._gridPadding.bottom, max: this._gridPadding.top});
                ax.x2axis.pack({position:'absolute', top:this._gridPadding.top - ax.x2axis.getHeight(), left:0, width:this._width}, {min:this._gridPadding.left, max:this._width - this._gridPadding.right});
                for (i=8; i>0; i--) {
                    ax[ra[i-1]].pack({position:'absolute', top:0, right:this._gridPadding.right - rapad[i-1]}, {min:this._height - this._gridPadding.bottom, max: this._gridPadding.top});
                }
                var ltemp = (this._width - this._gridPadding.left - this._gridPadding.right)/2.0 + this._gridPadding.left - ax.yMidAxis.getWidth()/2.0;
                ax.yMidAxis.pack({position:'absolute', top:0, left:ltemp, zIndex:9, textAlign: 'center'}, {min:this._height - this._gridPadding.bottom, max: this._gridPadding.top});
            
                this.target.append(this.grid.createElement(this._gridPadding, this));
                this.grid.draw();
                
                var series = this.series;
                var seriesLength = series.length;
                // put the shadow canvases behind the series canvases so shadows don't overlap on stacked bars.
                for (i=0, l=seriesLength; i<l; i++) {
                    // draw series in order of stacking.  This affects only
                    // order in which canvases are added to dom.
                    j = this.seriesStack[i];
                    this.target.append(series[j].shadowCanvas.createElement(this._gridPadding, 'jqplot-series-shadowCanvas', null, this));
                    series[j].shadowCanvas.setContext();
                    series[j].shadowCanvas._elem.data('seriesIndex', j);
                }
                
                for (i=0, l=seriesLength; i<l; i++) {
                    // draw series in order of stacking.  This affects only
                    // order in which canvases are added to dom.
                    j = this.seriesStack[i];
                    this.target.append(series[j].canvas.createElement(this._gridPadding, 'jqplot-series-canvas', null, this));
                    series[j].canvas.setContext();
                    series[j].canvas._elem.data('seriesIndex', j);
                }
                // Need to use filled canvas to capture events in IE.
                // Also, canvas seems to block selection of other elements in document on FF.
                this.target.append(this.eventCanvas.createElement(this._gridPadding, 'jqplot-event-canvas', null, this));
                this.eventCanvas.setContext();
                this.eventCanvas._ctx.fillStyle = 'rgba(0,0,0,0)';
                this.eventCanvas._ctx.fillRect(0,0,this.eventCanvas._ctx.canvas.width, this.eventCanvas._ctx.canvas.height);
            
                // bind custom event handlers to regular events.
                this.bindCustomEvents();
            
                // draw legend before series if the series needs to know the legend dimensions.
                if (this.legend.preDraw) {  
                    this.eventCanvas._elem.before(legendElem);
                    this.legend.pack(legendPadding);
                    if (this.legend._elem) {
                        this.drawSeries({legendInfo:{location:this.legend.location, placement:this.legend.placement, width:this.legend.getWidth(), height:this.legend.getHeight(), xoffset:this.legend.xoffset, yoffset:this.legend.yoffset}});
                    }
                    else {
                        this.drawSeries();
                    }
                }
                else {  // draw series before legend
                    this.drawSeries();
                    if (seriesLength) {
                        $(series[seriesLength-1].canvas._elem).after(legendElem);
                    }
                    this.legend.pack(legendPadding);                
                }
            
                // register event listeners on the overlay canvas
                for (var i=0, l=$.jqplot.eventListenerHooks.length; i<l; i++) {
                    // in the handler, this will refer to the eventCanvas dom element.
                    // make sure there are references back into plot objects.
                    this.eventCanvas._elem.bind($.jqplot.eventListenerHooks[i][0], {plot:this}, $.jqplot.eventListenerHooks[i][1]);
                }
            
                // register event listeners on the overlay canvas
                for (var i=0, l=this.eventListenerHooks.hooks.length; i<l; i++) {
                    // in the handler, this will refer to the eventCanvas dom element.
                    // make sure there are references back into plot objects.
                    this.eventCanvas._elem.bind(this.eventListenerHooks.hooks[i][0], {plot:this}, this.eventListenerHooks.hooks[i][1]);
                }

                var fb = this.fillBetween;
                if(typeof fb.series1 == 'number'){
                    if(fb.fill&&fb.series1!==fb.series2&&fb.series1<seriesLength&&fb.series2<seriesLength&&series[fb.series1]._type==="line"&&series[fb.series2]._type==="line")
                    this.doFillBetweenLines();
                }
                else{
                    if(fb.series1 != null && fb.series2 != null){
                        var doFb = false;
                        if(fb.series1.length === fb.series2.length){
                            var tempSeries1 = 0;
                            var tempSeries2 = 0;
                            
                            for(var cnt = 0; cnt < fb.series1.length; cnt++){
                                tempSeries1 = fb.series1[cnt];
                                tempSeries2 = fb.series2[cnt];
                                if(tempSeries1!==tempSeries2&&tempSeries1<seriesLength&&tempSeries2<seriesLength&&series[tempSeries1]._type==="line"&&series[tempSeries2]._type==="line"){
                                    doFb = true;
                                }
                                else{
                                    doFb = false;
                                    break;
                                }
                            }
                        }
                        if(fb.fill && doFb){
                            this.doFillBetweenLines();
                        }
                    }
                }

                for (var i=0, l=$.jqplot.postDrawHooks.length; i<l; i++) {
                    $.jqplot.postDrawHooks[i].call(this);
                }

                for (var i=0, l=this.postDrawHooks.hooks.length; i<l; i++) {
                    this.postDrawHooks.hooks[i].apply(this, this.postDrawHooks.args[i]);
                }
            
                if (this.target.is(':visible')) {
                    this._drawCount += 1;
                }

                var temps, 
                    tempr,
                    sel,
                    _els;
                // ughh.  ideally would hide all series then show them.
                for (i=0, l=seriesLength; i<l; i++) {
                    temps = series[i];
                    tempr = temps.renderer;
                    sel = '.jqplot-point-label.jqplot-series-'+i;
                    if (tempr.animation && tempr.animation._supported && tempr.animation.show && (this._drawCount < 2 || this.animateReplot)) {
                        _els = this.target.find(sel);
                        _els.stop(true, true).hide();
                        temps.canvas._elem.stop(true, true).hide();
                        temps.shadowCanvas._elem.stop(true, true).hide();
                        temps.canvas._elem.jqplotEffect('blind', {mode: 'show', direction: tempr.animation.direction}, tempr.animation.speed);
                        temps.shadowCanvas._elem.jqplotEffect('blind', {mode: 'show', direction: tempr.animation.direction}, tempr.animation.speed);
                        _els.fadeIn(tempr.animation.speed*0.8);
                    }
                }
                _els = null;
            
                this.target.trigger('jqplotPostDraw', [this]);
            }
        };

        jqPlot.prototype.doFillBetweenLines = function () {
            var fb = this.fillBetween;
            var series = this.series;
            var sid1 = fb.series1;
            var sid2 = fb.series2;
            var id1 = 0, id2 = 0;

            function fill(id1, id2){
                var series1 = series[id1];
                var series2 = series[id2];
                if (series2.renderer.smooth)
                    var tempgd = series2.renderer._smoothedData.slice(0).reverse();
                else
                    var tempgd = series2.gridData.slice(0).reverse();
                if (series1.renderer.smooth)
                    var gd = series1.renderer._smoothedData.concat(tempgd);
                else
                    var gd = series1.gridData.concat(tempgd);
                var color = fb.color !== null ? fb.color : series[sid1].fillColor;
                var baseSeries = fb.baseSeries !== null ? fb.baseSeries : id1;
                var sr =
                    series[baseSeries].renderer.shapeRenderer;
                var opts =
                {
                    fillStyle : color,
                    fill : true,
                    closePath : true
                };
                sr.draw(series1.shadowCanvas._ctx, gd, opts)
            }

            if(typeof sid1 == 'number' && typeof sid2 == 'number'){
                id1 = sid1 < sid2 ? sid1 : sid2;
                id2 = sid2 > sid1 ? sid2 : sid1;
                fill(id1, id2);
            }
            else{
                for(var cnt = 0; cnt < sid1.length ; cnt++){
                    id1 = sid1[cnt] < sid2[cnt] ? sid1[cnt] : sid2[cnt];
                    id2 = sid2[cnt] > sid1[cnt] ? sid2[cnt] : sid1[cnt];
                    fill(id1, id2);
                }
            }
        };
        
        this.bindCustomEvents = function() {
            this.eventCanvas._elem.bind('click', {plot:this}, this.onClick);
            this.eventCanvas._elem.bind('dblclick', {plot:this}, this.onDblClick);
            this.eventCanvas._elem.bind('mousedown', {plot:this}, this.onMouseDown);
            this.eventCanvas._elem.bind('mousemove', {plot:this}, this.onMouseMove);
            this.eventCanvas._elem.bind('mouseenter', {plot:this}, this.onMouseEnter);
            this.eventCanvas._elem.bind('mouseleave', {plot:this}, this.onMouseLeave);
            if (this.captureRightClick) {
                this.eventCanvas._elem.bind('mouseup', {plot:this}, this.onRightClick);
                this.eventCanvas._elem.get(0).oncontextmenu = function() {
                    return false;
                };
            }
            else {
                this.eventCanvas._elem.bind('mouseup', {plot:this}, this.onMouseUp);
            }
        };
        
        function getEventPosition(ev) {
            var plot = ev.data.plot;
            var go = plot.eventCanvas._elem.offset();
            var gridPos = {x:ev.pageX - go.left, y:ev.pageY - go.top};
            var dataPos = {xaxis:null, yaxis:null, x2axis:null, y2axis:null, y3axis:null, y4axis:null, y5axis:null, y6axis:null, y7axis:null, y8axis:null, y9axis:null, yMidAxis:null};
            var an = ['xaxis', 'yaxis', 'x2axis', 'y2axis', 'y3axis', 'y4axis', 'y5axis', 'y6axis', 'y7axis', 'y8axis', 'y9axis', 'yMidAxis'];
            var ax = plot.axes;
            var n, axis;
            for (n=11; n>0; n--) {
                axis = an[n-1];
                if (ax[axis].show) {
                    dataPos[axis] = ax[axis].series_p2u(gridPos[axis.charAt(0)]);
                }
            }

            return {offsets:go, gridPos:gridPos, dataPos:dataPos};
        }
        
        
        // function to check if event location is over a area area
        function checkIntersection(gridpos, plot) {
            var series = plot.series;
            var i, j, k, s, r, x, y, theta, sm, sa, minang, maxang;
            var d0, d, p, pp, points, bw, hp;
            var threshold, t;
            for (k=plot.seriesStack.length-1; k>=0; k--) {
                i = plot.seriesStack[k];
                s = series[i];
                hp = s._highlightThreshold;
                switch (s.renderer.constructor) {
                    case $.jqplot.BarRenderer:
                        x = gridpos.x;
                        y = gridpos.y;
                        for (j=0; j<s._barPoints.length; j++) {
                            points = s._barPoints[j];
                            p = s.gridData[j];
                            if (x>points[0][0] && x<points[2][0] && (y>points[2][1] && y<points[0][1] || y<points[2][1] && y>points[0][1])) {
                                return {seriesIndex:s.index, pointIndex:j, gridData:p, data:s.data[j], points:s._barPoints[j]};
                            }
                        }
                        break;
                    case $.jqplot.PyramidRenderer:
                        x = gridpos.x;
                        y = gridpos.y;
                        for (j=0; j<s._barPoints.length; j++) {
                            points = s._barPoints[j];
                            p = s.gridData[j];
                            if (x > points[0][0] + hp[0][0] && x < points[2][0] + hp[2][0] && y > points[2][1] && y < points[0][1]) {
                                return {seriesIndex:s.index, pointIndex:j, gridData:p, data:s.data[j], points:s._barPoints[j]};
                            }
                        }
                        break;
                    
                    case $.jqplot.DonutRenderer:
                        sa = s.startAngle/180*Math.PI;
                        x = gridpos.x - s._center[0];
                        y = gridpos.y - s._center[1];
                        r = Math.sqrt(Math.pow(x, 2) + Math.pow(y, 2));
                        if (x > 0 && -y >= 0) {
                            theta = 2*Math.PI - Math.atan(-y/x);
                        }
                        else if (x > 0 && -y < 0) {
                            theta = -Math.atan(-y/x);
                        }
                        else if (x < 0) {
                            theta = Math.PI - Math.atan(-y/x);
                        }
                        else if (x == 0 && -y > 0) {
                            theta = 3*Math.PI/2;
                        }
                        else if (x == 0 && -y < 0) {
                            theta = Math.PI/2;
                        }
                        else if (x == 0 && y == 0) {
                            theta = 0;
                        }
                        if (sa) {
                            theta -= sa;
                            if (theta < 0) {
                                theta += 2*Math.PI;
                            }
                            else if (theta > 2*Math.PI) {
                                theta -= 2*Math.PI;
                            }
                        }
            
                        sm = s.sliceMargin/180*Math.PI;
                        if (r < s._radius && r > s._innerRadius) {
                            for (j=0; j<s.gridData.length; j++) {
                                minang = (j>0) ? s.gridData[j-1][1]+sm : sm;
                                maxang = s.gridData[j][1];
                                if (theta > minang && theta < maxang) {
                                    return {seriesIndex:s.index, pointIndex:j, gridData:[gridpos.x,gridpos.y], data:s.data[j]};
                                }
                            }
                        }
                        break;
                        
                    case $.jqplot.PieRenderer:
                        sa = s.startAngle/180*Math.PI;
                        x = gridpos.x - s._center[0];
                        y = gridpos.y - s._center[1];
                        r = Math.sqrt(Math.pow(x, 2) + Math.pow(y, 2));
                        if (x > 0 && -y >= 0) {
                            theta = 2*Math.PI - Math.atan(-y/x);
                        }
                        else if (x > 0 && -y < 0) {
                            theta = -Math.atan(-y/x);
                        }
                        else if (x < 0) {
                            theta = Math.PI - Math.atan(-y/x);
                        }
                        else if (x == 0 && -y > 0) {
                            theta = 3*Math.PI/2;
                        }
                        else if (x == 0 && -y < 0) {
                            theta = Math.PI/2;
                        }
                        else if (x == 0 && y == 0) {
                            theta = 0;
                        }
                        if (sa) {
                            theta -= sa;
                            if (theta < 0) {
                                theta += 2*Math.PI;
                            }
                            else if (theta > 2*Math.PI) {
                                theta -= 2*Math.PI;
                            }
                        }
            
                        sm = s.sliceMargin/180*Math.PI;
                        if (r < s._radius) {
                            for (j=0; j<s.gridData.length; j++) {
                                minang = (j>0) ? s.gridData[j-1][1]+sm : sm;
                                maxang = s.gridData[j][1];
                                if (theta > minang && theta < maxang) {
                                    return {seriesIndex:s.index, pointIndex:j, gridData:[gridpos.x,gridpos.y], data:s.data[j]};
                                }
                            }
                        }
                        break;
                        
                    case $.jqplot.BubbleRenderer:
                        x = gridpos.x;
                        y = gridpos.y;
                        var ret = null;
                        
                        if (s.show) {
                            for (var j=0; j<s.gridData.length; j++) {
                                p = s.gridData[j];
                                d = Math.sqrt( (x-p[0]) * (x-p[0]) + (y-p[1]) * (y-p[1]) );
                                if (d <= p[2] && (d <= d0 || d0 == null)) {
                                   d0 = d;
                                   ret = {seriesIndex: i, pointIndex:j, gridData:p, data:s.data[j]};
                                }
                            }
                            if (ret != null) {
                                return ret;
                            }
                        }
                        break;
                        
                    case $.jqplot.FunnelRenderer:
                        x = gridpos.x;
                        y = gridpos.y;
                        var v = s._vertices,
                            vfirst = v[0],
                            vlast = v[v.length-1],
                            lex,
                            rex,
                            cv;
    
                        // equations of right and left sides, returns x, y values given height of section (y value and 2 points)
    
                        function findedge (l, p1 , p2) {
                            var m = (p1[1] - p2[1])/(p1[0] - p2[0]);
                            var b = p1[1] - m*p1[0];
                            var y = l + p1[1];
        
                            return [(y - b)/m, y];
                        }
    
                        // check each section
                        lex = findedge(y, vfirst[0], vlast[3]);
                        rex = findedge(y, vfirst[1], vlast[2]);
                        for (j=0; j<v.length; j++) {
                            cv = v[j];
                            if (y >= cv[0][1] && y <= cv[3][1] && x >= lex[0] && x <= rex[0]) {
                                return {seriesIndex:s.index, pointIndex:j, gridData:null, data:s.data[j]};
                            }
                        }         
                        break;           
                    
                    case $.jqplot.LineRenderer:
                        x = gridpos.x;
                        y = gridpos.y;
                        r = s.renderer;
                        if (s.show) {
                            if ((s.fill || (s.renderer.bands.show && s.renderer.bands.fill)) && (!plot.plugins.highlighter || !plot.plugins.highlighter.show)) {
                                // first check if it is in bounding box
                                var inside = false;
                                if (x>s._boundingBox[0][0] && x<s._boundingBox[1][0] && y>s._boundingBox[1][1] && y<s._boundingBox[0][1]) { 
                                    // now check the crossing number   
                                    
                                    var numPoints = s._areaPoints.length;
                                    var ii;
                                    var j = numPoints-1;

                                    for(var ii=0; ii < numPoints; ii++) { 
                                        var vertex1 = [s._areaPoints[ii][0], s._areaPoints[ii][1]];
                                        var vertex2 = [s._areaPoints[j][0], s._areaPoints[j][1]];

                                        if (vertex1[1] < y && vertex2[1] >= y || vertex2[1] < y && vertex1[1] >= y)     {
                                            if (vertex1[0] + (y - vertex1[1]) / (vertex2[1] - vertex1[1]) * (vertex2[0] - vertex1[0]) < x) {
                                                inside = !inside;
                                            }
                                        }

                                        j = ii;
                                    }        
                                }
                                if (inside) {
                                    return {seriesIndex:i, pointIndex:null, gridData:s.gridData, data:s.data, points:s._areaPoints};
                                }
                                break;
                                
                            }

                            else {
                                t = s.markerRenderer.size/2+s.neighborThreshold;
                                threshold = (t > 0) ? t : 0;
                                for (var j=0; j<s.gridData.length; j++) {
                                    p = s.gridData[j];
                                    // neighbor looks different to OHLC chart.
                                    if (r.constructor == $.jqplot.OHLCRenderer) {
                                        if (r.candleStick) {
                                            var yp = s._yaxis.series_u2p;
                                            if (x >= p[0]-r._bodyWidth/2 && x <= p[0]+r._bodyWidth/2 && y >= yp(s.data[j][2]) && y <= yp(s.data[j][3])) {
                                                return {seriesIndex: i, pointIndex:j, gridData:p, data:s.data[j]};
                                            }
                                        }
                                        // if an open hi low close chart
                                        else if (!r.hlc){
                                            var yp = s._yaxis.series_u2p;
                                            if (x >= p[0]-r._tickLength && x <= p[0]+r._tickLength && y >= yp(s.data[j][2]) && y <= yp(s.data[j][3])) {
                                                return {seriesIndex: i, pointIndex:j, gridData:p, data:s.data[j]};
                                            }
                                        }
                                        // a hi low close chart
                                        else {
                                            var yp = s._yaxis.series_u2p;
                                            if (x >= p[0]-r._tickLength && x <= p[0]+r._tickLength && y >= yp(s.data[j][1]) && y <= yp(s.data[j][2])) {
                                                return {seriesIndex: i, pointIndex:j, gridData:p, data:s.data[j]};
                                            }
                                        }
                            
                                    }
                                    else if (p[0] != null && p[1] != null){
                                        d = Math.sqrt( (x-p[0]) * (x-p[0]) + (y-p[1]) * (y-p[1]) );
                                        if (d <= threshold && (d <= d0 || d0 == null)) {
                                           d0 = d;
                                           return {seriesIndex: i, pointIndex:j, gridData:p, data:s.data[j]};
                                        }
                                    }
                                } 
                            }
                        }
                        break;
                        
                    default:
                        x = gridpos.x;
                        y = gridpos.y;
                        r = s.renderer;
                        if (s.show) {
                            t = s.markerRenderer.size/2+s.neighborThreshold;
                            threshold = (t > 0) ? t : 0;
                            for (var j=0; j<s.gridData.length; j++) {
                                p = s.gridData[j];
                                // neighbor looks different to OHLC chart.
                                if (r.constructor == $.jqplot.OHLCRenderer) {
                                    if (r.candleStick) {
                                        var yp = s._yaxis.series_u2p;
                                        if (x >= p[0]-r._bodyWidth/2 && x <= p[0]+r._bodyWidth/2 && y >= yp(s.data[j][2]) && y <= yp(s.data[j][3])) {
                                            return {seriesIndex: i, pointIndex:j, gridData:p, data:s.data[j]};
                                        }
                                    }
                                    // if an open hi low close chart
                                    else if (!r.hlc){
                                        var yp = s._yaxis.series_u2p;
                                        if (x >= p[0]-r._tickLength && x <= p[0]+r._tickLength && y >= yp(s.data[j][2]) && y <= yp(s.data[j][3])) {
                                            return {seriesIndex: i, pointIndex:j, gridData:p, data:s.data[j]};
                                        }
                                    }
                                    // a hi low close chart
                                    else {
                                        var yp = s._yaxis.series_u2p;
                                        if (x >= p[0]-r._tickLength && x <= p[0]+r._tickLength && y >= yp(s.data[j][1]) && y <= yp(s.data[j][2])) {
                                            return {seriesIndex: i, pointIndex:j, gridData:p, data:s.data[j]};
                                        }
                                    }
                            
                                }
                                else {
                                    d = Math.sqrt( (x-p[0]) * (x-p[0]) + (y-p[1]) * (y-p[1]) );
                                    if (d <= threshold && (d <= d0 || d0 == null)) {
                                       d0 = d;
                                       return {seriesIndex: i, pointIndex:j, gridData:p, data:s.data[j]};
                                    }
                                }
                            } 
                        }
                        break;
                }
            }
            
            return null;
        }
        
        
        
        this.onClick = function(ev) {
            // Event passed in is normalized and will have data attribute.
            // Event passed out is unnormalized.
            var positions = getEventPosition(ev);
            var p = ev.data.plot;
            var neighbor = checkIntersection(positions.gridPos, p);
            var evt = $.Event('jqplotClick');
            evt.pageX = ev.pageX;
            evt.pageY = ev.pageY;
            $(this).trigger(evt, [positions.gridPos, positions.dataPos, neighbor, p]);
        };
        
        this.onDblClick = function(ev) {
            // Event passed in is normalized and will have data attribute.
            // Event passed out is unnormalized.
            var positions = getEventPosition(ev);
            var p = ev.data.plot;
            var neighbor = checkIntersection(positions.gridPos, p);
            var evt = $.Event('jqplotDblClick');
            evt.pageX = ev.pageX;
            evt.pageY = ev.pageY;
            $(this).trigger(evt, [positions.gridPos, positions.dataPos, neighbor, p]);
        };
        
        this.onMouseDown = function(ev) {
            var positions = getEventPosition(ev);
            var p = ev.data.plot;
            var neighbor = checkIntersection(positions.gridPos, p);
            var evt = $.Event('jqplotMouseDown');
            evt.pageX = ev.pageX;
            evt.pageY = ev.pageY;
            $(this).trigger(evt, [positions.gridPos, positions.dataPos, neighbor, p]);
        };
        
        this.onMouseUp = function(ev) {
            var positions = getEventPosition(ev);
            var evt = $.Event('jqplotMouseUp');
            evt.pageX = ev.pageX;
            evt.pageY = ev.pageY;
            $(this).trigger(evt, [positions.gridPos, positions.dataPos, null, ev.data.plot]);
        };
        
        this.onRightClick = function(ev) {
            var positions = getEventPosition(ev);
            var p = ev.data.plot;
            var neighbor = checkIntersection(positions.gridPos, p);
            if (p.captureRightClick) {
                if (ev.which == 3) {
                var evt = $.Event('jqplotRightClick');
                evt.pageX = ev.pageX;
                evt.pageY = ev.pageY;
                    $(this).trigger(evt, [positions.gridPos, positions.dataPos, neighbor, p]);
                }
                else {
                var evt = $.Event('jqplotMouseUp');
                evt.pageX = ev.pageX;
                evt.pageY = ev.pageY;
                    $(this).trigger(evt, [positions.gridPos, positions.dataPos, neighbor, p]);
                }
            }
        };
        
        this.onMouseMove = function(ev) {
            var positions = getEventPosition(ev);
            var p = ev.data.plot;
            var neighbor = checkIntersection(positions.gridPos, p);
            var evt = $.Event('jqplotMouseMove');
            evt.pageX = ev.pageX;
            evt.pageY = ev.pageY;
            $(this).trigger(evt, [positions.gridPos, positions.dataPos, neighbor, p]);
        };
        
        this.onMouseEnter = function(ev) {
            var positions = getEventPosition(ev);
            var p = ev.data.plot;
            var evt = $.Event('jqplotMouseEnter');
            evt.pageX = ev.pageX;
            evt.pageY = ev.pageY;
            evt.relatedTarget = ev.relatedTarget;
            $(this).trigger(evt, [positions.gridPos, positions.dataPos, null, p]);
        };
        
        this.onMouseLeave = function(ev) {
            var positions = getEventPosition(ev);
            var p = ev.data.plot;
            var evt = $.Event('jqplotMouseLeave');
            evt.pageX = ev.pageX;
            evt.pageY = ev.pageY;
            evt.relatedTarget = ev.relatedTarget;
            $(this).trigger(evt, [positions.gridPos, positions.dataPos, null, p]);
        };
        
        // method: drawSeries
        // Redraws all or just one series on the plot.  No axis scaling
        // is performed and no other elements on the plot are redrawn.
        // options is an options object to pass on to the series renderers.
        // It can be an empty object {}.  idx is the series index
        // to redraw if only one series is to be redrawn.
        this.drawSeries = function(options, idx){
            var i, series, ctx;
            // if only one argument passed in and it is a number, use it ad idx.
            idx = (typeof(options) === "number" && idx == null) ? options : idx;
            options = (typeof(options) === "object") ? options : {};
            // draw specified series
            if (idx != undefined) {
                series = this.series[idx];
                ctx = series.shadowCanvas._ctx;
                ctx.clearRect(0, 0, ctx.canvas.width, ctx.canvas.height);
                series.drawShadow(ctx, options, this);
                ctx = series.canvas._ctx;
                ctx.clearRect(0, 0, ctx.canvas.width, ctx.canvas.height);
                series.draw(ctx, options, this);
                if (series.renderer.constructor == $.jqplot.BezierCurveRenderer) {
                    if (idx < this.series.length - 1) {
                        this.drawSeries(idx+1); 
                    }
                }
            }
            
            else {
                // if call series drawShadow method first, in case all series shadows
                // should be drawn before any series.  This will ensure, like for 
                // stacked bar plots, that shadows don't overlap series.
                for (i=0; i<this.series.length; i++) {
                    // first clear the canvas
                    series = this.series[i];
                    ctx = series.shadowCanvas._ctx;
                    ctx.clearRect(0, 0, ctx.canvas.width, ctx.canvas.height);
                    series.drawShadow(ctx, options, this);
                    ctx = series.canvas._ctx;
                    ctx.clearRect(0, 0, ctx.canvas.width, ctx.canvas.height);
                    series.draw(ctx, options, this);
                }
            }
            options = idx = i = series = ctx = null;
        };
        
        // method: moveSeriesToFront
        // This method requires jQuery 1.4+
        // Moves the specified series canvas in front of all other series canvases.
        // This effectively "draws" the specified series on top of all other series,
        // although it is performed through DOM manipulation, no redrawing is performed.
        //
        // Parameters:
        // idx - 0 based index of the series to move.  This will be the index of the series
        // as it was first passed into the jqplot function.
        this.moveSeriesToFront = function (idx) { 
            idx = parseInt(idx, 10);
            var stackIndex = $.inArray(idx, this.seriesStack);
            // if already in front, return
            if (stackIndex == -1) {
                return;
            }
            if (stackIndex == this.seriesStack.length -1) {
                this.previousSeriesStack = this.seriesStack.slice(0);
                return;
            }
            var opidx = this.seriesStack[this.seriesStack.length -1];
            var serelem = this.series[idx].canvas._elem.detach();
            var shadelem = this.series[idx].shadowCanvas._elem.detach();
            this.series[opidx].shadowCanvas._elem.after(shadelem);
            this.series[opidx].canvas._elem.after(serelem);
            this.previousSeriesStack = this.seriesStack.slice(0);
            this.seriesStack.splice(stackIndex, 1);
            this.seriesStack.push(idx);
        };
        
        // method: moveSeriesToBack
        // This method requires jQuery 1.4+
        // Moves the specified series canvas behind all other series canvases.
        //
        // Parameters:
        // idx - 0 based index of the series to move.  This will be the index of the series
        // as it was first passed into the jqplot function.
        this.moveSeriesToBack = function (idx) {
            idx = parseInt(idx, 10);
            var stackIndex = $.inArray(idx, this.seriesStack);
            // if already in back, return
            if (stackIndex == 0 || stackIndex == -1) {
                return;
            }
            var opidx = this.seriesStack[0];
            var serelem = this.series[idx].canvas._elem.detach();
            var shadelem = this.series[idx].shadowCanvas._elem.detach();
            this.series[opidx].shadowCanvas._elem.before(shadelem);
            this.series[opidx].canvas._elem.before(serelem);
            this.previousSeriesStack = this.seriesStack.slice(0);
            this.seriesStack.splice(stackIndex, 1);
            this.seriesStack.unshift(idx);
        };
        
        // method: restorePreviousSeriesOrder
        // This method requires jQuery 1.4+
        // Restore the series canvas order to its previous state.
        // Useful to put a series back where it belongs after moving
        // it to the front.
        this.restorePreviousSeriesOrder = function () {
            var i, j, serelem, shadelem, temp, move, keep;
            // if no change, return.
            if (this.seriesStack == this.previousSeriesStack) {
                return;
            }
            for (i=1; i<this.previousSeriesStack.length; i++) {
                move = this.previousSeriesStack[i];
                keep = this.previousSeriesStack[i-1];
                serelem = this.series[move].canvas._elem.detach();
                shadelem = this.series[move].shadowCanvas._elem.detach();
                this.series[keep].shadowCanvas._elem.after(shadelem);
                this.series[keep].canvas._elem.after(serelem);
            }
            temp = this.seriesStack.slice(0);
            this.seriesStack = this.previousSeriesStack.slice(0);
            this.previousSeriesStack = temp;
        };
        
        // method: restoreOriginalSeriesOrder
        // This method requires jQuery 1.4+
        // Restore the series canvas order to its original order
        // when the plot was created.
        this.restoreOriginalSeriesOrder = function () {
            var i, j, arr=[], serelem, shadelem;
            for (i=0; i<this.series.length; i++) {
                arr.push(i);
            }
            if (this.seriesStack == arr) {
                return;
            }
            this.previousSeriesStack = this.seriesStack.slice(0);
            this.seriesStack = arr;
            for (i=1; i<this.seriesStack.length; i++) {
                serelem = this.series[i].canvas._elem.detach();
                shadelem = this.series[i].shadowCanvas._elem.detach();
                this.series[i-1].shadowCanvas._elem.after(shadelem);
                this.series[i-1].canvas._elem.after(serelem);
            }
        };
        
        this.activateTheme = function (name) {
            this.themeEngine.activate(this, name);
        };
    }
    
    
    // conpute a highlight color or array of highlight colors from given colors.
    $.jqplot.computeHighlightColors  = function(colors) {
        var ret;
        if ($.isArray(colors)) {
            ret = [];
            for (var i=0; i<colors.length; i++){
                var rgba = $.jqplot.getColorComponents(colors[i]);
                var newrgb = [rgba[0], rgba[1], rgba[2]];
                var sum = newrgb[0] + newrgb[1] + newrgb[2];
                for (var j=0; j<3; j++) {
                    // when darkening, lowest color component can be is 60.
                    newrgb[j] = (sum > 660) ?  newrgb[j] * 0.85 : 0.73 * newrgb[j] + 90;
                    newrgb[j] = parseInt(newrgb[j], 10);
                    (newrgb[j] > 255) ? 255 : newrgb[j];
                }
                // newrgb[3] = (rgba[3] > 0.4) ? rgba[3] * 0.4 : rgba[3] * 1.5;
                // newrgb[3] = (rgba[3] > 0.5) ? 0.8 * rgba[3] - .1 : rgba[3] + 0.2;
                newrgb[3] = 0.3 + 0.35 * rgba[3];
                ret.push('rgba('+newrgb[0]+','+newrgb[1]+','+newrgb[2]+','+newrgb[3]+')');
            }
        }
        else {
            var rgba = $.jqplot.getColorComponents(colors);
            var newrgb = [rgba[0], rgba[1], rgba[2]];
            var sum = newrgb[0] + newrgb[1] + newrgb[2];
            for (var j=0; j<3; j++) {
                // when darkening, lowest color component can be is 60.
                // newrgb[j] = (sum > 570) ?  newrgb[j] * 0.8 : newrgb[j] + 0.3 * (255 - newrgb[j]);
                // newrgb[j] = parseInt(newrgb[j], 10);
                newrgb[j] = (sum > 660) ?  newrgb[j] * 0.85 : 0.73 * newrgb[j] + 90;
                newrgb[j] = parseInt(newrgb[j], 10);
                (newrgb[j] > 255) ? 255 : newrgb[j];
            }
            // newrgb[3] = (rgba[3] > 0.4) ? rgba[3] * 0.4 : rgba[3] * 1.5;
            // newrgb[3] = (rgba[3] > 0.5) ? 0.8 * rgba[3] - .1 : rgba[3] + 0.2;
            newrgb[3] = 0.3 + 0.35 * rgba[3];
            ret = 'rgba('+newrgb[0]+','+newrgb[1]+','+newrgb[2]+','+newrgb[3]+')';
        }
        return ret;
    };
        
   $.jqplot.ColorGenerator = function(colors) {
        colors = colors || $.jqplot.config.defaultColors;
        var idx = 0;
        
        this.next = function () { 
            if (idx < colors.length) {
                return colors[idx++];
            }
            else {
                idx = 0;
                return colors[idx++];
            }
        };
        
        this.previous = function () { 
            if (idx > 0) {
                return colors[idx--];
            }
            else {
                idx = colors.length-1;
                return colors[idx];
            }
        };
        
        // get a color by index without advancing pointer.
        this.get = function(i) {
            var idx = i - colors.length * Math.floor(i/colors.length);
            return colors[idx];
        };
        
        this.setColors = function(c) {
            colors = c;
        };
        
        this.reset = function() {
            idx = 0;
        };

        this.getIndex = function() {
            return idx;
        };

        this.setIndex = function(index) {
            idx = index;
        };
    };

    // convert a hex color string to rgb string.
    // h - 3 or 6 character hex string, with or without leading #
    // a - optional alpha
    $.jqplot.hex2rgb = function(h, a) {
        h = h.replace('#', '');
        if (h.length == 3) {
            h = h.charAt(0)+h.charAt(0)+h.charAt(1)+h.charAt(1)+h.charAt(2)+h.charAt(2);
        }
        var rgb;
        rgb = 'rgba('+parseInt(h.slice(0,2), 16)+', '+parseInt(h.slice(2,4), 16)+', '+parseInt(h.slice(4,6), 16);
        if (a) {
            rgb += ', '+a;
        }
        rgb += ')';
        return rgb;
    };
    
    // convert an rgb color spec to a hex spec.  ignore any alpha specification.
    $.jqplot.rgb2hex = function(s) {
        var pat = /rgba?\( *([0-9]{1,3}\.?[0-9]*%?) *, *([0-9]{1,3}\.?[0-9]*%?) *, *([0-9]{1,3}\.?[0-9]*%?) *(?:, *[0-9.]*)?\)/;
        var m = s.match(pat);
        var h = '#';
        for (var i=1; i<4; i++) {
            var temp;
            if (m[i].search(/%/) != -1) {
                temp = parseInt(255*m[i]/100, 10).toString(16);
                if (temp.length == 1) {
                    temp = '0'+temp;
                }
            }
            else {
                temp = parseInt(m[i], 10).toString(16);
                if (temp.length == 1) {
                    temp = '0'+temp;
                }
            }
            h += temp;
        }
        return h;
    };
    
    // given a css color spec, return an rgb css color spec
    $.jqplot.normalize2rgb = function(s, a) {
        if (s.search(/^ *rgba?\(/) != -1) {
            return s; 
        }
        else if (s.search(/^ *#?[0-9a-fA-F]?[0-9a-fA-F]/) != -1) {
            return $.jqplot.hex2rgb(s, a);
        }
        else {
            throw new Error('Invalid color spec');
        }
    };
    
    // extract the r, g, b, a color components out of a css color spec.
    $.jqplot.getColorComponents = function(s) {
        // check to see if a color keyword.
        s = $.jqplot.colorKeywordMap[s] || s;
        var rgb = $.jqplot.normalize2rgb(s);
        var pat = /rgba?\( *([0-9]{1,3}\.?[0-9]*%?) *, *([0-9]{1,3}\.?[0-9]*%?) *, *([0-9]{1,3}\.?[0-9]*%?) *,? *([0-9.]* *)?\)/;
        var m = rgb.match(pat);
        var ret = [];
        for (var i=1; i<4; i++) {
            if (m[i].search(/%/) != -1) {
                ret[i-1] = parseInt(255*m[i]/100, 10);
            }
            else {
                ret[i-1] = parseInt(m[i], 10);
            }
        }
        ret[3] = parseFloat(m[4]) ? parseFloat(m[4]) : 1.0;
        return ret;
    };
    
    $.jqplot.colorKeywordMap = {
        aliceblue: 'rgb(240, 248, 255)',
        antiquewhite: 'rgb(250, 235, 215)',
        aqua: 'rgb( 0, 255, 255)',
        aquamarine: 'rgb(127, 255, 212)',
        azure: 'rgb(240, 255, 255)',
        beige: 'rgb(245, 245, 220)',
        bisque: 'rgb(255, 228, 196)',
        black: 'rgb( 0, 0, 0)',
        blanchedalmond: 'rgb(255, 235, 205)',
        blue: 'rgb( 0, 0, 255)',
        blueviolet: 'rgb(138, 43, 226)',
        brown: 'rgb(165, 42, 42)',
        burlywood: 'rgb(222, 184, 135)',
        cadetblue: 'rgb( 95, 158, 160)',
        chartreuse: 'rgb(127, 255, 0)',
        chocolate: 'rgb(210, 105, 30)',
        coral: 'rgb(255, 127, 80)',
        cornflowerblue: 'rgb(100, 149, 237)',
        cornsilk: 'rgb(255, 248, 220)',
        crimson: 'rgb(220, 20, 60)',
        cyan: 'rgb( 0, 255, 255)',
        darkblue: 'rgb( 0, 0, 139)',
        darkcyan: 'rgb( 0, 139, 139)',
        darkgoldenrod: 'rgb(184, 134, 11)',
        darkgray: 'rgb(169, 169, 169)',
        darkgreen: 'rgb( 0, 100, 0)',
        darkgrey: 'rgb(169, 169, 169)',
        darkkhaki: 'rgb(189, 183, 107)',
        darkmagenta: 'rgb(139, 0, 139)',
        darkolivegreen: 'rgb( 85, 107, 47)',
        darkorange: 'rgb(255, 140, 0)',
        darkorchid: 'rgb(153, 50, 204)',
        darkred: 'rgb(139, 0, 0)',
        darksalmon: 'rgb(233, 150, 122)',
        darkseagreen: 'rgb(143, 188, 143)',
        darkslateblue: 'rgb( 72, 61, 139)',
        darkslategray: 'rgb( 47, 79, 79)',
        darkslategrey: 'rgb( 47, 79, 79)',
        darkturquoise: 'rgb( 0, 206, 209)',
        darkviolet: 'rgb(148, 0, 211)',
        deeppink: 'rgb(255, 20, 147)',
        deepskyblue: 'rgb( 0, 191, 255)',
        dimgray: 'rgb(105, 105, 105)',
        dimgrey: 'rgb(105, 105, 105)',
        dodgerblue: 'rgb( 30, 144, 255)',
        firebrick: 'rgb(178, 34, 34)',
        floralwhite: 'rgb(255, 250, 240)',
        forestgreen: 'rgb( 34, 139, 34)',
        fuchsia: 'rgb(255, 0, 255)',
        gainsboro: 'rgb(220, 220, 220)',
        ghostwhite: 'rgb(248, 248, 255)',
        gold: 'rgb(255, 215, 0)',
        goldenrod: 'rgb(218, 165, 32)',
        gray: 'rgb(128, 128, 128)',
        grey: 'rgb(128, 128, 128)',
        green: 'rgb( 0, 128, 0)',
        greenyellow: 'rgb(173, 255, 47)',
        honeydew: 'rgb(240, 255, 240)',
        hotpink: 'rgb(255, 105, 180)',
        indianred: 'rgb(205, 92, 92)',
        indigo: 'rgb( 75, 0, 130)',
        ivory: 'rgb(255, 255, 240)',
        khaki: 'rgb(240, 230, 140)',
        lavender: 'rgb(230, 230, 250)',
        lavenderblush: 'rgb(255, 240, 245)',
        lawngreen: 'rgb(124, 252, 0)',
        lemonchiffon: 'rgb(255, 250, 205)',
        lightblue: 'rgb(173, 216, 230)',
        lightcoral: 'rgb(240, 128, 128)',
        lightcyan: 'rgb(224, 255, 255)',
        lightgoldenrodyellow: 'rgb(250, 250, 210)',
        lightgray: 'rgb(211, 211, 211)',
        lightgreen: 'rgb(144, 238, 144)',
        lightgrey: 'rgb(211, 211, 211)',
        lightpink: 'rgb(255, 182, 193)',
        lightsalmon: 'rgb(255, 160, 122)',
        lightseagreen: 'rgb( 32, 178, 170)',
        lightskyblue: 'rgb(135, 206, 250)',
        lightslategray: 'rgb(119, 136, 153)',
        lightslategrey: 'rgb(119, 136, 153)',
        lightsteelblue: 'rgb(176, 196, 222)',
        lightyellow: 'rgb(255, 255, 224)',
        lime: 'rgb( 0, 255, 0)',
        limegreen: 'rgb( 50, 205, 50)',
        linen: 'rgb(250, 240, 230)',
        magenta: 'rgb(255, 0, 255)',
        maroon: 'rgb(128, 0, 0)',
        mediumaquamarine: 'rgb(102, 205, 170)',
        mediumblue: 'rgb( 0, 0, 205)',
        mediumorchid: 'rgb(186, 85, 211)',
        mediumpurple: 'rgb(147, 112, 219)',
        mediumseagreen: 'rgb( 60, 179, 113)',
        mediumslateblue: 'rgb(123, 104, 238)',
        mediumspringgreen: 'rgb( 0, 250, 154)',
        mediumturquoise: 'rgb( 72, 209, 204)',
        mediumvioletred: 'rgb(199, 21, 133)',
        midnightblue: 'rgb( 25, 25, 112)',
        mintcream: 'rgb(245, 255, 250)',
        mistyrose: 'rgb(255, 228, 225)',
        moccasin: 'rgb(255, 228, 181)',
        navajowhite: 'rgb(255, 222, 173)',
        navy: 'rgb( 0, 0, 128)',
        oldlace: 'rgb(253, 245, 230)',
        olive: 'rgb(128, 128, 0)',
        olivedrab: 'rgb(107, 142, 35)',
        orange: 'rgb(255, 165, 0)',
        orangered: 'rgb(255, 69, 0)',
        orchid: 'rgb(218, 112, 214)',
        palegoldenrod: 'rgb(238, 232, 170)',
        palegreen: 'rgb(152, 251, 152)',
        paleturquoise: 'rgb(175, 238, 238)',
        palevioletred: 'rgb(219, 112, 147)',
        papayawhip: 'rgb(255, 239, 213)',
        peachpuff: 'rgb(255, 218, 185)',
        peru: 'rgb(205, 133, 63)',
        pink: 'rgb(255, 192, 203)',
        plum: 'rgb(221, 160, 221)',
        powderblue: 'rgb(176, 224, 230)',
        purple: 'rgb(128, 0, 128)',
        red: 'rgb(255, 0, 0)',
        rosybrown: 'rgb(188, 143, 143)',
        royalblue: 'rgb( 65, 105, 225)',
        saddlebrown: 'rgb(139, 69, 19)',
        salmon: 'rgb(250, 128, 114)',
        sandybrown: 'rgb(244, 164, 96)',
        seagreen: 'rgb( 46, 139, 87)',
        seashell: 'rgb(255, 245, 238)',
        sienna: 'rgb(160, 82, 45)',
        silver: 'rgb(192, 192, 192)',
        skyblue: 'rgb(135, 206, 235)',
        slateblue: 'rgb(106, 90, 205)',
        slategray: 'rgb(112, 128, 144)',
        slategrey: 'rgb(112, 128, 144)',
        snow: 'rgb(255, 250, 250)',
        springgreen: 'rgb( 0, 255, 127)',
        steelblue: 'rgb( 70, 130, 180)',
        tan: 'rgb(210, 180, 140)',
        teal: 'rgb( 0, 128, 128)',
        thistle: 'rgb(216, 191, 216)',
        tomato: 'rgb(255, 99, 71)',
        turquoise: 'rgb( 64, 224, 208)',
        violet: 'rgb(238, 130, 238)',
        wheat: 'rgb(245, 222, 179)',
        white: 'rgb(255, 255, 255)',
        whitesmoke: 'rgb(245, 245, 245)',
        yellow: 'rgb(255, 255, 0)',
        yellowgreen: 'rgb(154, 205, 50)'
    };

    


    // class: $.jqplot.AxisLabelRenderer
    // Renderer to place labels on the axes.
    $.jqplot.AxisLabelRenderer = function(options) {
        // Group: Properties
        $.jqplot.ElemContainer.call(this);
        // name of the axis associated with this tick
        this.axis;
        // prop: show
        // whether or not to show the tick (mark and label).
        this.show = true;
        // prop: label
        // The text or html for the label.
        this.label = '';
        this.fontFamily = null;
        this.fontSize = null;
        this.textColor = null;
        this._elem;
        // prop: escapeHTML
        // true to escape HTML entities in the label.
        this.escapeHTML = false;
        
        $.extend(true, this, options);
    };
    
    $.jqplot.AxisLabelRenderer.prototype = new $.jqplot.ElemContainer();
    $.jqplot.AxisLabelRenderer.prototype.constructor = $.jqplot.AxisLabelRenderer;
    
    $.jqplot.AxisLabelRenderer.prototype.init = function(options) {
        $.extend(true, this, options);
    };
    
    $.jqplot.AxisLabelRenderer.prototype.draw = function(ctx, plot) {
        // Memory Leaks patch
        if (this._elem) {
            this._elem.emptyForce();
            this._elem = null;
        }

        this._elem = $('<div style="position:absolute;" class="jqplot-'+this.axis+'-label"></div>');
        
        if (Number(this.label)) {
            this._elem.css('white-space', 'nowrap');
        }
        
        if (!this.escapeHTML) {
            this._elem.html(this.label);
        }
        else {
            this._elem.text(this.label);
        }
        if (this.fontFamily) {
            this._elem.css('font-family', this.fontFamily);
        }
        if (this.fontSize) {
            this._elem.css('font-size', this.fontSize);
        }
        if (this.textColor) {
            this._elem.css('color', this.textColor);
        }
        
        return this._elem;
    };
    
    $.jqplot.AxisLabelRenderer.prototype.pack = function() {
    };

    // class: $.jqplot.AxisTickRenderer
    // A "tick" object showing the value of a tick/gridline on the plot.
    $.jqplot.AxisTickRenderer = function(options) {
        // Group: Properties
        $.jqplot.ElemContainer.call(this);
        // prop: mark
        // tick mark on the axis.  One of 'inside', 'outside', 'cross', '' or null.
        this.mark = 'outside';
        // name of the axis associated with this tick
        this.axis;
        // prop: showMark
        // whether or not to show the mark on the axis.
        this.showMark = true;
        // prop: showGridline
        // whether or not to draw the gridline on the grid at this tick.
        this.showGridline = true;
        // prop: isMinorTick
        // if this is a minor tick.
        this.isMinorTick = false;
        // prop: size
        // Length of the tick beyond the grid in pixels.
        // DEPRECATED: This has been superceeded by markSize
        this.size = 4;
        // prop:  markSize
        // Length of the tick marks in pixels.  For 'cross' style, length
        // will be stoked above and below axis, so total length will be twice this.
        this.markSize = 6;
        // prop: show
        // whether or not to show the tick (mark and label).
        // Setting this to false requires more testing.  It is recommended
        // to set showLabel and showMark to false instead.
        this.show = true;
        // prop: showLabel
        // whether or not to show the label.
        this.showLabel = true;
        this.label = null;
        this.value = null;
        this._styles = {};
        // prop: formatter
        // A class of a formatter for the tick text.  sprintf by default.
        this.formatter = $.jqplot.DefaultTickFormatter;
        // prop: prefix
        // String to prepend to the tick label.
        // Prefix is prepended to the formatted tick label.
        this.prefix = '';
        // prop: suffix
        // String to append to the tick label.
        // Suffix is appended to the formatted tick label.
        this.suffix = '';
        // prop: formatString
        // string passed to the formatter.
        this.formatString = '';
        // prop: fontFamily
        // css spec for the font-family css attribute.
        this.fontFamily;
        // prop: fontSize
        // css spec for the font-size css attribute.
        this.fontSize;
        // prop: textColor
        // css spec for the color attribute.
        this.textColor;
        // prop: escapeHTML
        // true to escape HTML entities in the label.
        this.escapeHTML = false;
        this._elem;
        this._breakTick = false;
        
        $.extend(true, this, options);
    };
    
    $.jqplot.AxisTickRenderer.prototype.init = function(options) {
        $.extend(true, this, options);
    };
    
    $.jqplot.AxisTickRenderer.prototype = new $.jqplot.ElemContainer();
    $.jqplot.AxisTickRenderer.prototype.constructor = $.jqplot.AxisTickRenderer;
    
    $.jqplot.AxisTickRenderer.prototype.setTick = function(value, axisName, isMinor) {
        this.value = value;
        this.axis = axisName;
        if (isMinor) {
            this.isMinorTick = true;
        }
        return this;
    };
    
    $.jqplot.AxisTickRenderer.prototype.draw = function() {
        if (this.label === null) {
            this.label = this.prefix + this.formatter(this.formatString, this.value) + this.suffix;
        }
        var style = {position: 'absolute'};
        if (Number(this.label)) {
            style['whitSpace'] = 'nowrap';
        }
        
        // Memory Leaks patch
        if (this._elem) {
            this._elem.emptyForce();
            this._elem = null;
        }

        this._elem = $(document.createElement('div'));
        this._elem.addClass("jqplot-"+this.axis+"-tick");
        
        if (!this.escapeHTML) {
            this._elem.html(this.label);
        }
        else {
            this._elem.text(this.label);
        }
        
        this._elem.css(style);

        for (var s in this._styles) {
            this._elem.css(s, this._styles[s]);
        }
        if (this.fontFamily) {
            this._elem.css('font-family', this.fontFamily);
        }
        if (this.fontSize) {
            this._elem.css('font-size', this.fontSize);
        }
        if (this.textColor) {
            this._elem.css('color', this.textColor);
        }
        if (this._breakTick) {
          this._elem.addClass('jqplot-breakTick');
        }
        
        return this._elem;
    };
        
    $.jqplot.DefaultTickFormatter = function (format, val) {
        if (typeof val == 'number') {
            if (!format) {
                format = $.jqplot.config.defaultTickFormatString;
            }
            return $.jqplot.sprintf(format, val);
        }
        else {
            return String(val);
        }
    };
        
    $.jqplot.PercentTickFormatter = function (format, val) {
        if (typeof val == 'number') {
            val = 100 * val;
            if (!format) {
                format = $.jqplot.config.defaultTickFormatString;
            }
            return $.jqplot.sprintf(format, val);
        }
        else {
            return String(val);
        }
    };
    
    $.jqplot.AxisTickRenderer.prototype.pack = function() {
    };
     
    // Class: $.jqplot.CanvasGridRenderer
    // The default jqPlot grid renderer, creating a grid on a canvas element.
    // The renderer has no additional options beyond the <Grid> class.
    $.jqplot.CanvasGridRenderer = function(){
        this.shadowRenderer = new $.jqplot.ShadowRenderer();
    };
    
    // called with context of Grid object
    $.jqplot.CanvasGridRenderer.prototype.init = function(options) {
        this._ctx;
        $.extend(true, this, options);
        // set the shadow renderer options
        var sopts = {lineJoin:'miter', lineCap:'round', fill:false, isarc:false, angle:this.shadowAngle, offset:this.shadowOffset, alpha:this.shadowAlpha, depth:this.shadowDepth, lineWidth:this.shadowWidth, closePath:false, strokeStyle:this.shadowColor};
        this.renderer.shadowRenderer.init(sopts);
    };
    
    // called with context of Grid.
    $.jqplot.CanvasGridRenderer.prototype.createElement = function(plot) {
        var elem;
        // Memory Leaks patch
        if (this._elem) {
          if ($.jqplot.use_excanvas && window.G_vmlCanvasManager.uninitElement !== undefined) {
            elem = this._elem.get(0);
            window.G_vmlCanvasManager.uninitElement(elem);
            elem = null;
          }
          
          this._elem.emptyForce();
          this._elem = null;
        }
      
        elem = plot.canvasManager.getCanvas();

        var w = this._plotDimensions.width;
        var h = this._plotDimensions.height;
        elem.width = w;
        elem.height = h;
        this._elem = $(elem);
        this._elem.addClass('jqplot-grid-canvas');
        this._elem.css({ position: 'absolute', left: 0, top: 0 });
        
        elem = plot.canvasManager.initCanvas(elem);

        this._top = this._offsets.top;
        this._bottom = h - this._offsets.bottom;
        this._left = this._offsets.left;
        this._right = w - this._offsets.right;
        this._width = this._right - this._left;
        this._height = this._bottom - this._top;
        // avoid memory leak
        elem = null;
        return this._elem;
    };
    
    $.jqplot.CanvasGridRenderer.prototype.draw = function() {
        this._ctx = this._elem.get(0).getContext("2d");
        var ctx = this._ctx;
        var axes = this._axes;
        // Add the grid onto the grid canvas.  This is the bottom most layer.
        ctx.save();
        ctx.clearRect(0, 0, this._plotDimensions.width, this._plotDimensions.height);
        ctx.fillStyle = this.backgroundColor || this.background;
        ctx.fillRect(this._left, this._top, this._width, this._height);
        
        ctx.save();
        ctx.lineJoin = 'miter';
        ctx.lineCap = 'butt';
        ctx.lineWidth = this.gridLineWidth;
        ctx.strokeStyle = this.gridLineColor;
        var b, e, s, m;
        var ax = ['xaxis', 'yaxis', 'x2axis', 'y2axis'];
        for (var i=4; i>0; i--) {
            var name = ax[i-1];
            var axis = axes[name];
            var ticks = axis._ticks;
            var numticks = ticks.length;
            if (axis.show) {
                if (axis.drawBaseline) {
                    var bopts = {};
                    if (axis.baselineWidth !== null) {
                        bopts.lineWidth = axis.baselineWidth;
                    }
                    if (axis.baselineColor !== null) {
                        bopts.strokeStyle = axis.baselineColor;
                    }
                    switch (name) {
                        case 'xaxis':
                            drawLine (this._left, this._bottom, this._right, this._bottom, bopts);
                            break;
                        case 'yaxis':
                            drawLine (this._left, this._bottom, this._left, this._top, bopts);
                            break;
                        case 'x2axis':
                            drawLine (this._left, this._bottom, this._right, this._bottom, bopts);
                            break;
                        case 'y2axis':
                            drawLine (this._right, this._bottom, this._right, this._top, bopts);
                            break;
                    }
                }
                for (var j=numticks; j>0; j--) {
                    var t = ticks[j-1];
                    if (t.show) {
                        var pos = Math.round(axis.u2p(t.value)) + 0.5;
                        switch (name) {
                            case 'xaxis':
                                // draw the grid line if we should
                                if (t.showGridline && this.drawGridlines && ((!t.isMinorTick && axis.drawMajorGridlines) || (t.isMinorTick && axis.drawMinorGridlines)) ) {
                                    drawLine(pos, this._top, pos, this._bottom);
                                }
                                // draw the mark
                                if (t.showMark && t.mark && ((!t.isMinorTick && axis.drawMajorTickMarks) || (t.isMinorTick && axis.drawMinorTickMarks)) ) {
                                    s = t.markSize;
                                    m = t.mark;
                                    var pos = Math.round(axis.u2p(t.value)) + 0.5;
                                    switch (m) {
                                        case 'outside':
                                            b = this._bottom;
                                            e = this._bottom+s;
                                            break;
                                        case 'inside':
                                            b = this._bottom-s;
                                            e = this._bottom;
                                            break;
                                        case 'cross':
                                            b = this._bottom-s;
                                            e = this._bottom+s;
                                            break;
                                        default:
                                            b = this._bottom;
                                            e = this._bottom+s;
                                            break;
                                    }
                                    // draw the shadow
                                    if (this.shadow) {
                                        this.renderer.shadowRenderer.draw(ctx, [[pos,b],[pos,e]], {lineCap:'butt', lineWidth:this.gridLineWidth, offset:this.gridLineWidth*0.75, depth:2, fill:false, closePath:false});
                                    }
                                    // draw the line
                                    drawLine(pos, b, pos, e);
                                }
                                break;
                            case 'yaxis':
                                // draw the grid line
                                if (t.showGridline && this.drawGridlines && ((!t.isMinorTick && axis.drawMajorGridlines) || (t.isMinorTick && axis.drawMinorGridlines)) ) {
                                    drawLine(this._right, pos, this._left, pos);
                                }
                                // draw the mark
                                if (t.showMark && t.mark && ((!t.isMinorTick && axis.drawMajorTickMarks) || (t.isMinorTick && axis.drawMinorTickMarks)) ) {
                                    s = t.markSize;
                                    m = t.mark;
                                    var pos = Math.round(axis.u2p(t.value)) + 0.5;
                                    switch (m) {
                                        case 'outside':
                                            b = this._left-s;
                                            e = this._left;
                                            break;
                                        case 'inside':
                                            b = this._left;
                                            e = this._left+s;
                                            break;
                                        case 'cross':
                                            b = this._left-s;
                                            e = this._left+s;
                                            break;
                                        default:
                                            b = this._left-s;
                                            e = this._left;
                                            break;
                                            }
                                    // draw the shadow
                                    if (this.shadow) {
                                        this.renderer.shadowRenderer.draw(ctx, [[b, pos], [e, pos]], {lineCap:'butt', lineWidth:this.gridLineWidth*1.5, offset:this.gridLineWidth*0.75, fill:false, closePath:false});
                                    }
                                    drawLine(b, pos, e, pos, {strokeStyle:axis.borderColor});
                                }
                                break;
                            case 'x2axis':
                                // draw the grid line
                                if (t.showGridline && this.drawGridlines && ((!t.isMinorTick && axis.drawMajorGridlines) || (t.isMinorTick && axis.drawMinorGridlines)) ) {
                                    drawLine(pos, this._bottom, pos, this._top);
                                }
                                // draw the mark
                                if (t.showMark && t.mark && ((!t.isMinorTick && axis.drawMajorTickMarks) || (t.isMinorTick && axis.drawMinorTickMarks)) ) {
                                    s = t.markSize;
                                    m = t.mark;
                                    var pos = Math.round(axis.u2p(t.value)) + 0.5;
                                    switch (m) {
                                        case 'outside':
                                            b = this._top-s;
                                            e = this._top;
                                            break;
                                        case 'inside':
                                            b = this._top;
                                            e = this._top+s;
                                            break;
                                        case 'cross':
                                            b = this._top-s;
                                            e = this._top+s;
                                            break;
                                        default:
                                            b = this._top-s;
                                            e = this._top;
                                            break;
                                            }
                                    // draw the shadow
                                    if (this.shadow) {
                                        this.renderer.shadowRenderer.draw(ctx, [[pos,b],[pos,e]], {lineCap:'butt', lineWidth:this.gridLineWidth, offset:this.gridLineWidth*0.75, depth:2, fill:false, closePath:false});
                                    }
                                    drawLine(pos, b, pos, e);
                                }
                                break;
                            case 'y2axis':
                                // draw the grid line
                                if (t.showGridline && this.drawGridlines && ((!t.isMinorTick && axis.drawMajorGridlines) || (t.isMinorTick && axis.drawMinorGridlines)) ) {
                                    drawLine(this._left, pos, this._right, pos);
                                }
                                // draw the mark
                                if (t.showMark && t.mark && ((!t.isMinorTick && axis.drawMajorTickMarks) || (t.isMinorTick && axis.drawMinorTickMarks)) ) {
                                    s = t.markSize;
                                    m = t.mark;
                                    var pos = Math.round(axis.u2p(t.value)) + 0.5;
                                    switch (m) {
                                        case 'outside':
                                            b = this._right;
                                            e = this._right+s;
                                            break;
                                        case 'inside':
                                            b = this._right-s;
                                            e = this._right;
                                            break;
                                        case 'cross':
                                            b = this._right-s;
                                            e = this._right+s;
                                            break;
                                        default:
                                            b = this._right;
                                            e = this._right+s;
                                            break;
                                            }
                                    // draw the shadow
                                    if (this.shadow) {
                                        this.renderer.shadowRenderer.draw(ctx, [[b, pos], [e, pos]], {lineCap:'butt', lineWidth:this.gridLineWidth*1.5, offset:this.gridLineWidth*0.75, fill:false, closePath:false});
                                    }
                                    drawLine(b, pos, e, pos, {strokeStyle:axis.borderColor});
                                }
                                break;
                            default:
                                break;
                        }
                    }
                }
                t = null;
            }
            axis = null;
            ticks = null;
        }
        // Now draw grid lines for additional y axes
        //////
        // TO DO: handle yMidAxis
        //////
        ax = ['y3axis', 'y4axis', 'y5axis', 'y6axis', 'y7axis', 'y8axis', 'y9axis', 'yMidAxis'];
        for (var i=7; i>0; i--) {
            var axis = axes[ax[i-1]];
            var ticks = axis._ticks;
            if (axis.show) {
                var tn = ticks[axis.numberTicks-1];
                var t0 = ticks[0];
                var left = axis.getLeft();
                var points = [[left, tn.getTop() + tn.getHeight()/2], [left, t0.getTop() + t0.getHeight()/2 + 1.0]];
                // draw the shadow
                if (this.shadow) {
                    this.renderer.shadowRenderer.draw(ctx, points, {lineCap:'butt', fill:false, closePath:false});
                }
                // draw the line
                drawLine(points[0][0], points[0][1], points[1][0], points[1][1], {lineCap:'butt', strokeStyle:axis.borderColor, lineWidth:axis.borderWidth});
                // draw the tick marks
                for (var j=ticks.length; j>0; j--) {
                    var t = ticks[j-1];
                    s = t.markSize;
                    m = t.mark;
                    var pos = Math.round(axis.u2p(t.value)) + 0.5;
                    if (t.showMark && t.mark) {
                        switch (m) {
                            case 'outside':
                                b = left;
                                e = left+s;
                                break;
                            case 'inside':
                                b = left-s;
                                e = left;
                                break;
                            case 'cross':
                                b = left-s;
                                e = left+s;
                                break;
                            default:
                                b = left;
                                e = left+s;
                                break;
                        }
                        points = [[b,pos], [e,pos]];
                        // draw the shadow
                        if (this.shadow) {
                            this.renderer.shadowRenderer.draw(ctx, points, {lineCap:'butt', lineWidth:this.gridLineWidth*1.5, offset:this.gridLineWidth*0.75, fill:false, closePath:false});
                        }
                        // draw the line
                        drawLine(b, pos, e, pos, {strokeStyle:axis.borderColor});
                    }
                    t = null;
                }
                t0 = null;
            }
            axis = null;
            ticks =  null;
        }
        
        ctx.restore();
        
        function drawLine(bx, by, ex, ey, opts) {
            ctx.save();
            opts = opts || {};
            if (opts.lineWidth == null || opts.lineWidth != 0){
                $.extend(true, ctx, opts);
                ctx.beginPath();
                ctx.moveTo(bx, by);
                ctx.lineTo(ex, ey);
                ctx.stroke();
                ctx.restore();
            }
        }
        
        if (this.shadow) {
            var points = [[this._left, this._bottom], [this._right, this._bottom], [this._right, this._top]];
            this.renderer.shadowRenderer.draw(ctx, points);
        }
        // Now draw border around grid.  Use axis border definitions. start at
        // upper left and go clockwise.
        if (this.borderWidth != 0 && this.drawBorder) {
            drawLine (this._left, this._top, this._right, this._top, {lineCap:'round', strokeStyle:axes.x2axis.borderColor, lineWidth:axes.x2axis.borderWidth});
            drawLine (this._right, this._top, this._right, this._bottom, {lineCap:'round', strokeStyle:axes.y2axis.borderColor, lineWidth:axes.y2axis.borderWidth});
            drawLine (this._right, this._bottom, this._left, this._bottom, {lineCap:'round', strokeStyle:axes.xaxis.borderColor, lineWidth:axes.xaxis.borderWidth});
            drawLine (this._left, this._bottom, this._left, this._top, {lineCap:'round', strokeStyle:axes.yaxis.borderColor, lineWidth:axes.yaxis.borderWidth});
        }
        // ctx.lineWidth = this.borderWidth;
        // ctx.strokeStyle = this.borderColor;
        // ctx.strokeRect(this._left, this._top, this._width, this._height);
        
        ctx.restore();
        ctx =  null;
        axes = null;
    };
 
    // Class: $.jqplot.DivTitleRenderer
    // The default title renderer for jqPlot.  This class has no options beyond the <Title> class. 
    $.jqplot.DivTitleRenderer = function() {
    };
    
    $.jqplot.DivTitleRenderer.prototype.init = function(options) {
        $.extend(true, this, options);
    };
    
    $.jqplot.DivTitleRenderer.prototype.draw = function() {
        // Memory Leaks patch
        if (this._elem) {
            this._elem.emptyForce();
            this._elem = null;
        }

        var r = this.renderer;
        var elem = document.createElement('div');
        this._elem = $(elem);
        this._elem.addClass('jqplot-title');

        if (!this.text) {
            this.show = false;
            this._elem.height(0);
            this._elem.width(0);
        }
        else if (this.text) {
            var color;
            if (this.color) {
                color = this.color;
            }
            else if (this.textColor) {
                color = this.textColor;
            }

            // don't trust that a stylesheet is present, set the position.
            var styles = {position:'absolute', top:'0px', left:'0px'};

            if (this._plotWidth) {
                styles['width'] = this._plotWidth+'px';
            }
            if (this.fontSize) {
                styles['fontSize'] = this.fontSize;
            }
            if (typeof this.textAlign === 'string') {
                styles['textAlign'] = this.textAlign;
            }
            else {
                styles['textAlign'] = 'center';
            }
            if (color) {
                styles['color'] = color;
            }
            if (this.paddingBottom) {
                styles['paddingBottom'] = this.paddingBottom;
            }
            if (this.fontFamily) {
                styles['fontFamily'] = this.fontFamily;
            }

            this._elem.css(styles);
            if (this.escapeHtml) {
                this._elem.text(this.text);
            }
            else {
                this._elem.html(this.text);
            }


            // styletext += (this._plotWidth) ? 'width:'+this._plotWidth+'px;' : '';
            // styletext += (this.fontSize) ? 'font-size:'+this.fontSize+';' : '';
            // styletext += (this.textAlign) ? 'text-align:'+this.textAlign+';' : 'text-align:center;';
            // styletext += (color) ? 'color:'+color+';' : '';
            // styletext += (this.paddingBottom) ? 'padding-bottom:'+this.paddingBottom+';' : '';
            // this._elem = $('<div class="jqplot-title" style="'+styletext+'">'+this.text+'</div>');
            // if (this.fontFamily) {
            //     this._elem.css('font-family', this.fontFamily);
            // }
        }

        elem = null;
        
        return this._elem;
    };
    
    $.jqplot.DivTitleRenderer.prototype.pack = function() {
        // nothing to do here
    };
  

    var dotlen = 0.1;

    $.jqplot.LinePattern = function (ctx, pattern) {

        var defaultLinePatterns = {
            dotted: [ dotlen, $.jqplot.config.dotGapLength ],
            dashed: [ $.jqplot.config.dashLength, $.jqplot.config.gapLength ],
            solid: null
        };

        if (typeof pattern === 'string') {
            if (pattern[0] === '.' || pattern[0] === '-') {
                var s = pattern;
                pattern = [];
                for (var i=0, imax=s.length; i<imax; i++) {
                    if (s[i] === '.') {
                        pattern.push( dotlen );
                    }
                    else if (s[i] === '-') {
                        pattern.push( $.jqplot.config.dashLength );
                    }
                    else {
                        continue;
                    }
                    pattern.push( $.jqplot.config.gapLength );
                }
            }
            else {
                pattern = defaultLinePatterns[pattern];
            }
        }

        if (!(pattern && pattern.length)) {
            return ctx;
        }

        var patternIndex = 0;
        var patternDistance = pattern[0];
        var px = 0;
        var py = 0;
        var pathx0 = 0;
        var pathy0 = 0;

        var moveTo = function (x, y) {
            ctx.moveTo( x, y );
            px = x;
            py = y;
            pathx0 = x;
            pathy0 = y;
        };

        var lineTo = function (x, y) {
            var scale = ctx.lineWidth;
            var dx = x - px;
            var dy = y - py;
            var dist = Math.sqrt(dx*dx+dy*dy);
            if ((dist > 0) && (scale > 0)) {
                dx /= dist;
                dy /= dist;
                while (true) {
                    var dp = scale * patternDistance;
                    if (dp < dist) {
                        px += dp * dx;
                        py += dp * dy;
                        if ((patternIndex & 1) == 0) {
                            ctx.lineTo( px, py );
                        }
                        else {
                            ctx.moveTo( px, py );
                        }
                        dist -= dp;
                        patternIndex++;
                        if (patternIndex >= pattern.length) {
                            patternIndex = 0;
                        }
                        patternDistance = pattern[patternIndex];
                    }
                    else {
                        px = x;
                        py = y;
                        if ((patternIndex & 1) == 0) {
                            ctx.lineTo( px, py );
                        }
                        else {
                            ctx.moveTo( px, py );
                        }
                        patternDistance -= dist / scale;
                        break;
                    }
                }
            }
        };

        var beginPath = function () {
            ctx.beginPath();
        };

        var closePath = function () {
            lineTo( pathx0, pathy0 );
        };

        return {
            moveTo: moveTo,
            lineTo: lineTo,
            beginPath: beginPath,
            closePath: closePath
        };
    };

    // Class: $.jqplot.LineRenderer
    // The default line renderer for jqPlot, this class has no options beyond the <Series> class.
    // Draws series as a line.
    $.jqplot.LineRenderer = function(){
        this.shapeRenderer = new $.jqplot.ShapeRenderer();
        this.shadowRenderer = new $.jqplot.ShadowRenderer();
    };
    
    // called with scope of series.
    $.jqplot.LineRenderer.prototype.init = function(options, plot) {
        // Group: Properties
        //
        options = options || {};
        this._type='line';
        this.renderer.animation = {
            show: false,
            direction: 'left',
            speed: 2500,
            _supported: true
        };
        // prop: smooth
        // True to draw a smoothed (interpolated) line through the data points
        // with automatically computed number of smoothing points.
        // Set to an integer number > 2 to specify number of smoothing points
        // to use between each data point.
        this.renderer.smooth = false;  // true or a number > 2 for smoothing.
        this.renderer.tension = null; // null to auto compute or a number typically > 6.  Fewer points requires higher tension.
        // prop: constrainSmoothing
        // True to use a more accurate smoothing algorithm that will
        // not overshoot any data points.  False to allow overshoot but
        // produce a smoother looking line.
        this.renderer.constrainSmoothing = true;
        // this is smoothed data in grid coordinates, like gridData
        this.renderer._smoothedData = [];
        // this is smoothed data in plot units (plot coordinates), like plotData.
        this.renderer._smoothedPlotData = [];
        this.renderer._hiBandGridData = [];
        this.renderer._lowBandGridData = [];
        this.renderer._hiBandSmoothedData = [];
        this.renderer._lowBandSmoothedData = [];

        // prop: bandData
        // Data used to draw error bands or confidence intervals above/below a line.
        //
        // bandData can be input in 3 forms.  jqPlot will figure out which is the
        // low band line and which is the high band line for all forms:
        // 
        // A 2 dimensional array like [[yl1, yl2, ...], [yu1, yu2, ...]] where
        // [yl1, yl2, ...] are y values of the lower line and
        // [yu1, yu2, ...] are y values of the upper line.
        // In this case there must be the same number of y data points as data points
        // in the series and the bands will inherit the x values of the series.
        //
        // A 2 dimensional array like [[[xl1, yl1], [xl2, yl2], ...], [[xh1, yh1], [xh2, yh2], ...]]
        // where [xl1, yl1] are x,y data points for the lower line and
        // [xh1, yh1] are x,y data points for the high line.
        // x values do not have to correspond to the x values of the series and can
        // be of any arbitrary length.
        //
        // Can be of form [[yl1, yu1], [yl2, yu2], [yl3, yu3], ...] where
        // there must be 3 or more arrays and there must be the same number of arrays
        // as there are data points in the series.  In this case, 
        // [yl1, yu1] specifies the lower and upper y values for the 1st
        // data point and so on.  The bands will inherit the x
        // values from the series.
        this.renderer.bandData = [];

        // Group: bands
        // Banding around line, e.g error bands or confidence intervals.
        this.renderer.bands = {
            // prop: show
            // true to show the bands.  If bandData or interval is
            // supplied, show will be set to true by default.
            show: false,
            hiData: [],
            lowData: [],
            // prop: color
            // color of lines at top and bottom of bands [default: series color].
            color: this.color,
            // prop: showLines
            // True to show lines at top and bottom of bands [default: false].
            showLines: false,
            // prop: fill
            // True to fill area between bands [default: true].
            fill: true,
            // prop: fillColor
            // css color spec for filled area.  [default: series color].
            fillColor: null,
            _min: null,
            _max: null,
            // prop: interval
            // User specified interval above and below line for bands [default: '3%''].
            // Can be a value like 3 or a string like '3%' 
            // or an upper/lower array like [1, -2] or ['2%', '-1.5%']
            interval: '3%'
        };


        var lopts = {highlightMouseOver: options.highlightMouseOver, highlightMouseDown: options.highlightMouseDown, highlightColor: options.highlightColor};
        
        delete (options.highlightMouseOver);
        delete (options.highlightMouseDown);
        delete (options.highlightColor);
        
        $.extend(true, this.renderer, options);

        this.renderer.options = options;

        // if we are given some band data, and bands aren't explicity set to false in options, turn them on.
        if (this.renderer.bandData.length > 1 && (!options.bands || options.bands.show == null)) {
            this.renderer.bands.show = true;
        }

        // if we are given an interval, and bands aren't explicity set to false in options, turn them on.
        else if (options.bands && options.bands.show == null && options.bands.interval != null) {
            this.renderer.bands.show = true;
        }

        // if plot is filled, turn off bands.
        if (this.fill) {
            this.renderer.bands.show = false;
        }

        if (this.renderer.bands.show) {
            this.renderer.initBands.call(this, this.renderer.options, plot);
        }


        // smoothing is not compatible with stacked lines, disable
        if (this._stack) {
            this.renderer.smooth = false;
        }

        // set the shape renderer options
        var opts = {lineJoin:this.lineJoin, lineCap:this.lineCap, fill:this.fill, isarc:false, strokeStyle:this.color, fillStyle:this.fillColor, lineWidth:this.lineWidth, linePattern:this.linePattern, closePath:this.fill};
        this.renderer.shapeRenderer.init(opts);

        var shadow_offset = options.shadowOffset;
        // set the shadow renderer options
        if (shadow_offset == null) {
            // scale the shadowOffset to the width of the line.
            if (this.lineWidth > 2.5) {
                shadow_offset = 1.25 * (1 + (Math.atan((this.lineWidth/2.5))/0.785398163 - 1)*0.6);
                // var shadow_offset = this.shadowOffset;
            }
            // for skinny lines, don't make such a big shadow.
            else {
                shadow_offset = 1.25 * Math.atan((this.lineWidth/2.5))/0.785398163;
            }
        }
        
        var sopts = {lineJoin:this.lineJoin, lineCap:this.lineCap, fill:this.fill, isarc:false, angle:this.shadowAngle, offset:shadow_offset, alpha:this.shadowAlpha, depth:this.shadowDepth, lineWidth:this.lineWidth, linePattern:this.linePattern, closePath:this.fill};
        this.renderer.shadowRenderer.init(sopts);
        this._areaPoints = [];
        this._boundingBox = [[],[]];
        
        if (!this.isTrendline && this.fill || this.renderer.bands.show) {
            // Group: Properties
            //        
            // prop: highlightMouseOver
            // True to highlight area on a filled plot when moused over.
            // This must be false to enable highlightMouseDown to highlight when clicking on an area on a filled plot.
            this.highlightMouseOver = true;
            // prop: highlightMouseDown
            // True to highlight when a mouse button is pressed over an area on a filled plot.
            // This will be disabled if highlightMouseOver is true.
            this.highlightMouseDown = false;
            // prop: highlightColor
            // color to use when highlighting an area on a filled plot.
            this.highlightColor = null;
            // if user has passed in highlightMouseDown option and not set highlightMouseOver, disable highlightMouseOver
            if (lopts.highlightMouseDown && lopts.highlightMouseOver == null) {
                lopts.highlightMouseOver = false;
            }
        
            $.extend(true, this, {highlightMouseOver: lopts.highlightMouseOver, highlightMouseDown: lopts.highlightMouseDown, highlightColor: lopts.highlightColor});
            
            if (!this.highlightColor) {
                var fc = (this.renderer.bands.show) ? this.renderer.bands.fillColor : this.fillColor;
                this.highlightColor = $.jqplot.computeHighlightColors(fc);
            }
            // turn off (disable) the highlighter plugin
            if (this.highlighter) {
                this.highlighter.show = false;
            }
        }
        
        if (!this.isTrendline && plot) {
            plot.plugins.lineRenderer = {};
            plot.postInitHooks.addOnce(postInit);
            plot.postDrawHooks.addOnce(postPlotDraw);
            plot.eventListenerHooks.addOnce('jqplotMouseMove', handleMove);
            plot.eventListenerHooks.addOnce('jqplotMouseDown', handleMouseDown);
            plot.eventListenerHooks.addOnce('jqplotMouseUp', handleMouseUp);
            plot.eventListenerHooks.addOnce('jqplotClick', handleClick);
            plot.eventListenerHooks.addOnce('jqplotRightClick', handleRightClick);
        }

    };

    $.jqplot.LineRenderer.prototype.initBands = function(options, plot) {
        // use bandData if no data specified in bands option
        //var bd = this.renderer.bandData;
        var bd = options.bandData || [];
        var bands = this.renderer.bands;
        bands.hiData = [];
        bands.lowData = [];
        var data = this.data;
        bands._max = null;
        bands._min = null;
        // If 2 arrays, and each array greater than 2 elements, assume it is hi and low data bands of y values.
        if (bd.length == 2) {
            // Do we have an array of x,y values?
            // like [[[1,1], [2,4], [3,3]], [[1,3], [2,6], [3,5]]]
            if ($.isArray(bd[0][0])) {
                // since an arbitrary array of points, spin through all of them to determine max and min lines.

                var p;
                var bdminidx = 0, bdmaxidx = 0;
                for (var i = 0, l = bd[0].length; i<l; i++) {
                    p = bd[0][i];
                    if ((p[1] != null && p[1] > bands._max) || bands._max == null) {
                        bands._max = p[1];
                    }
                    if ((p[1] != null && p[1] < bands._min) || bands._min == null) {
                        bands._min = p[1];
                    }
                }
                for (var i = 0, l = bd[1].length; i<l; i++) {
                    p = bd[1][i];
                    if ((p[1] != null && p[1] > bands._max) || bands._max == null) {
                        bands._max = p[1];
                        bdmaxidx = 1;
                    }
                    if ((p[1] != null && p[1] < bands._min) || bands._min == null) {
                        bands._min = p[1];
                        bdminidx = 1;
                    }
                }

                if (bdmaxidx === bdminidx) {
                    bands.show = false;
                }

                bands.hiData = bd[bdmaxidx];
                bands.lowData = bd[bdminidx];
            }
            // else data is arrays of y values
            // like [[1,4,3], [3,6,5]]
            // must have same number of band data points as points in series
            else if (bd[0].length === data.length && bd[1].length === data.length) {
                var hi = (bd[0][0] > bd[1][0]) ? 0 : 1;
                var low = (hi) ? 0 : 1;
                for (var i=0, l=data.length; i < l; i++) {
                    bands.hiData.push([data[i][0], bd[hi][i]]);
                    bands.lowData.push([data[i][0], bd[low][i]]);
                }
            }

            // we don't have proper data array, don't show bands.
            else {
                bands.show = false;
            }
        }

        // if more than 2 arrays, have arrays of [ylow, yhi] values.
        // note, can't distinguish case of [[ylow, yhi], [ylow, yhi]] from [[ylow, ylow], [yhi, yhi]]
        // this is assumed to be of the latter form.
        else if (bd.length > 2 && !$.isArray(bd[0][0])) {
            var hi = (bd[0][0] > bd[0][1]) ? 0 : 1;
            var low = (hi) ? 0 : 1;
            for (var i=0, l=bd.length; i<l; i++) {
                bands.hiData.push([data[i][0], bd[i][hi]]);
                bands.lowData.push([data[i][0], bd[i][low]]);
            }
        }

        // don't have proper data, auto calculate
        else {
            var intrv = bands.interval;
            var a = null;
            var b = null;
            var afunc = null;
            var bfunc = null;

            if ($.isArray(intrv)) {
                a = intrv[0];
                b = intrv[1];
            }
            else {
                a = intrv;
            }

            if (isNaN(a)) {
                // we have a string
                if (a.charAt(a.length - 1) === '%') {
                    afunc = 'multiply';
                    a = parseFloat(a)/100 + 1;
                }
            }

            else {
                a = parseFloat(a);
                afunc = 'add';
            }

            if (b !== null && isNaN(b)) {
                // we have a string
                if (b.charAt(b.length - 1) === '%') {
                    bfunc = 'multiply';
                    b = parseFloat(b)/100 + 1;
                }
            }

            else if (b !== null) {
                b = parseFloat(b);
                bfunc = 'add';
            }

            if (a !== null) {
                if (b === null) {
                    b = -a;
                    bfunc = afunc;
                    if (bfunc === 'multiply') {
                        b += 2;
                    }
                }

                // make sure a always applies to hi band.
                if (a < b) {
                    var temp = a;
                    a = b;
                    b = temp;
                    temp = afunc;
                    afunc = bfunc;
                    bfunc = temp;
                }

                for (var i=0, l = data.length; i < l; i++) {
                    switch (afunc) {
                        case 'add':
                            bands.hiData.push([data[i][0], data[i][1] + a]);
                            break;
                        case 'multiply':
                            bands.hiData.push([data[i][0], data[i][1] * a]);
                            break;
                    }
                    switch (bfunc) {
                        case 'add':
                            bands.lowData.push([data[i][0], data[i][1] + b]);
                            break;
                        case 'multiply':
                            bands.lowData.push([data[i][0], data[i][1] * b]);
                            break;
                    }
                }
            }

            else {
                bands.show = false;
            }
        }

        var hd = bands.hiData;
        var ld = bands.lowData;
        for (var i = 0, l = hd.length; i<l; i++) {
            if ((hd[i][1] != null && hd[i][1] > bands._max) || bands._max == null) {
                bands._max = hd[i][1];
            }
        }
        for (var i = 0, l = ld.length; i<l; i++) {
            if ((ld[i][1] != null && ld[i][1] < bands._min) || bands._min == null) {
                bands._min = ld[i][1];
            }
        }

        // one last check for proper data
        // these don't apply any more since allowing arbitrary x,y values
        // if (bands.hiData.length != bands.lowData.length) {
        //     bands.show = false;
        // }

        // if (bands.hiData.length != this.data.length) {
        //     bands.show = false;
        // }

        if (bands.fillColor === null) {
            var c = $.jqplot.getColorComponents(bands.color);
            // now adjust alpha to differentiate fill
            c[3] = c[3] * 0.5;
            bands.fillColor = 'rgba(' + c[0] +', '+ c[1] +', '+ c[2] +', '+ c[3] + ')';
        }
    };

    function getSteps (d, f) {
        return (3.4182054+f) * Math.pow(d, -0.3534992);
    }

    function computeSteps (d1, d2) {
        var s = Math.sqrt(Math.pow((d2[0]- d1[0]), 2) + Math.pow ((d2[1] - d1[1]), 2));
        return 5.7648 * Math.log(s) + 7.4456;
    }

    function tanh (x) {
        var a = (Math.exp(2*x) - 1) / (Math.exp(2*x) + 1);
        return a;
    }

    //////////
    // computeConstrainedSmoothedData
    // An implementation of the constrained cubic spline interpolation
    // method as presented in:
    //
    // Kruger, CJC, Constrained Cubic Spine Interpolation for Chemical Engineering Applications
    // http://www.korf.co.uk/spline.pdf
    //
    // The implementation below borrows heavily from the sample Visual Basic
    // implementation by CJC Kruger found in http://www.korf.co.uk/spline.xls
    //
    /////////

    // called with scope of series
    function computeConstrainedSmoothedData (gd) {
        var smooth = this.renderer.smooth;
        var dim = this.canvas.getWidth();
        var xp = this._xaxis.series_p2u;
        var yp = this._yaxis.series_p2u; 
        var steps =null;
        var _steps = null;
        var dist = gd.length/dim;
        var _smoothedData = [];
        var _smoothedPlotData = [];

        if (!isNaN(parseFloat(smooth))) {
            steps = parseFloat(smooth);
        }
        else {
            steps = getSteps(dist, 0.5);
        }

        var yy = [];
        var xx = [];

        for (var i=0, l = gd.length; i<l; i++) {
            yy.push(gd[i][1]);
            xx.push(gd[i][0]);
        }

        function dxx(x1, x0) {
            if (x1 - x0 == 0) {
                return Math.pow(10,10);
            }
            else {
                return x1 - x0;
            }
        }

        var A, B, C, D;
        // loop through each line segment.  Have # points - 1 line segments.  Nmber segments starting at 1.
        var nmax = gd.length - 1;
        for (var num = 1, gdl = gd.length; num<gdl; num++) {
            var gxx = [];
            var ggxx = [];
            // point at each end of segment.
            for (var j = 0; j < 2; j++) {
                var i = num - 1 + j; // point number, 0 to # points.

                if (i == 0 || i == nmax) {
                    gxx[j] = Math.pow(10, 10);
                }
                else if (yy[i+1] - yy[i] == 0 || yy[i] - yy[i-1] == 0) {
                    gxx[j] = 0;
                }
                else if (((xx[i+1] - xx[i]) / (yy[i+1] - yy[i]) + (xx[i] - xx[i-1]) / (yy[i] - yy[i-1])) == 0 ) {
                    gxx[j] = 0;
                }
                else if ( (yy[i+1] - yy[i]) * (yy[i] - yy[i-1]) < 0 ) {
                    gxx[j] = 0;
                }

                else {
                    gxx[j] = 2 / (dxx(xx[i + 1], xx[i]) / (yy[i + 1] - yy[i]) + dxx(xx[i], xx[i - 1]) / (yy[i] - yy[i - 1]));
                }
            }

            // Reset first derivative (slope) at first and last point
            if (num == 1) {
                // First point has 0 2nd derivative
                gxx[0] = 3 / 2 * (yy[1] - yy[0]) / dxx(xx[1], xx[0]) - gxx[1] / 2;
            }
            else if (num == nmax) {
                // Last point has 0 2nd derivative
                gxx[1] = 3 / 2 * (yy[nmax] - yy[nmax - 1]) / dxx(xx[nmax], xx[nmax - 1]) - gxx[0] / 2;
            }   

            // Calc second derivative at points
            ggxx[0] = -2 * (gxx[1] + 2 * gxx[0]) / dxx(xx[num], xx[num - 1]) + 6 * (yy[num] - yy[num - 1]) / Math.pow(dxx(xx[num], xx[num - 1]), 2);
            ggxx[1] = 2 * (2 * gxx[1] + gxx[0]) / dxx(xx[num], xx[num - 1]) - 6 * (yy[num] - yy[num - 1]) / Math.pow(dxx(xx[num], xx[num - 1]), 2);

            // Calc constants for cubic interpolation
            D = 1 / 6 * (ggxx[1] - ggxx[0]) / dxx(xx[num], xx[num - 1]);
            C = 1 / 2 * (xx[num] * ggxx[0] - xx[num - 1] * ggxx[1]) / dxx(xx[num], xx[num - 1]);
            B = (yy[num] - yy[num - 1] - C * (Math.pow(xx[num], 2) - Math.pow(xx[num - 1], 2)) - D * (Math.pow(xx[num], 3) - Math.pow(xx[num - 1], 3))) / dxx(xx[num], xx[num - 1]);
            A = yy[num - 1] - B * xx[num - 1] - C * Math.pow(xx[num - 1], 2) - D * Math.pow(xx[num - 1], 3);

            var increment = (xx[num] - xx[num - 1]) / steps;
            var temp, tempx;

            for (var j = 0, l = steps; j < l; j++) {
                temp = [];
                tempx = xx[num - 1] + j * increment;
                temp.push(tempx);
                temp.push(A + B * tempx + C * Math.pow(tempx, 2) + D * Math.pow(tempx, 3));
                _smoothedData.push(temp);
                _smoothedPlotData.push([xp(temp[0]), yp(temp[1])]);
            }
        }

        _smoothedData.push(gd[i]);
        _smoothedPlotData.push([xp(gd[i][0]), yp(gd[i][1])]);

        return [_smoothedData, _smoothedPlotData];
    }

    ///////
    // computeHermiteSmoothedData
    // A hermite spline smoothing of the plot data.
    // This implementation is derived from the one posted
    // by krypin on the jqplot-users mailing list:
    //
    // http://groups.google.com/group/jqplot-users/browse_thread/thread/748be6a445723cea?pli=1
    //
    // with a blog post:
    //
    // http://blog.statscollector.com/a-plugin-renderer-for-jqplot-to-draw-a-hermite-spline/
    //
    // and download of the original plugin:
    //
    // http://blog.statscollector.com/wp-content/uploads/2010/02/jqplot.hermiteSplineRenderer.js
    //////////

    // called with scope of series
    function computeHermiteSmoothedData (gd) {
        var smooth = this.renderer.smooth;
        var tension = this.renderer.tension;
        var dim = this.canvas.getWidth();
        var xp = this._xaxis.series_p2u;
        var yp = this._yaxis.series_p2u; 
        var steps =null;
        var _steps = null;
        var a = null;
        var a1 = null;
        var a2 = null;
        var slope = null;
        var slope2 = null;
        var temp = null;
        var t, s, h1, h2, h3, h4;
        var TiX, TiY, Ti1X, Ti1Y;
        var pX, pY, p;
        var sd = [];
        var spd = [];
        var dist = gd.length/dim;
        var min, max, stretch, scale, shift;
        var _smoothedData = [];
        var _smoothedPlotData = [];
        if (!isNaN(parseFloat(smooth))) {
            steps = parseFloat(smooth);
        }
        else {
            steps = getSteps(dist, 0.5);
        }
        if (!isNaN(parseFloat(tension))) {
            tension = parseFloat(tension);
        }

        for (var i=0, l = gd.length-1; i < l; i++) {

            if (tension === null) {
                slope = Math.abs((gd[i+1][1] - gd[i][1]) / (gd[i+1][0] - gd[i][0]));

                min = 0.3;
                max = 0.6;
                stretch = (max - min)/2.0;
                scale = 2.5;
                shift = -1.4;

                temp = slope/scale + shift;

                a1 = stretch * tanh(temp) - stretch * tanh(shift) + min;

                // if have both left and right line segments, will use  minimum tension. 
                if (i > 0) {
                    slope2 = Math.abs((gd[i][1] - gd[i-1][1]) / (gd[i][0] - gd[i-1][0]));
                }
                temp = slope2/scale + shift;

                a2 = stretch * tanh(temp) - stretch * tanh(shift) + min;

                a = (a1 + a2)/2.0;

            }
            else {
                a = tension;
            }
            for (t=0; t < steps; t++) {
                s = t / steps;
                h1 = (1 + 2*s)*Math.pow((1-s),2);
                h2 = s*Math.pow((1-s),2);
                h3 = Math.pow(s,2)*(3-2*s);
                h4 = Math.pow(s,2)*(s-1);     
                
                if (gd[i-1]) {  
                    TiX = a * (gd[i+1][0] - gd[i-1][0]); 
                    TiY = a * (gd[i+1][1] - gd[i-1][1]);
                } else {
                    TiX = a * (gd[i+1][0] - gd[i][0]); 
                    TiY = a * (gd[i+1][1] - gd[i][1]);                                  
                }
                if (gd[i+2]) {  
                    Ti1X = a * (gd[i+2][0] - gd[i][0]); 
                    Ti1Y = a * (gd[i+2][1] - gd[i][1]);
                } else {
                    Ti1X = a * (gd[i+1][0] - gd[i][0]); 
                    Ti1Y = a * (gd[i+1][1] - gd[i][1]);                                 
                }
                
                pX = h1*gd[i][0] + h3*gd[i+1][0] + h2*TiX + h4*Ti1X;
                pY = h1*gd[i][1] + h3*gd[i+1][1] + h2*TiY + h4*Ti1Y;
                p = [pX, pY];

                _smoothedData.push(p);
                _smoothedPlotData.push([xp(pX), yp(pY)]);
            }
        }
        _smoothedData.push(gd[l]);
        _smoothedPlotData.push([xp(gd[l][0]), yp(gd[l][1])]);

        return [_smoothedData, _smoothedPlotData];
    }
    
    // setGridData
    // converts the user data values to grid coordinates and stores them
    // in the gridData array.
    // Called with scope of a series.
    $.jqplot.LineRenderer.prototype.setGridData = function(plot) {
        // recalculate the grid data
        var xp = this._xaxis.series_u2p;
        var yp = this._yaxis.series_u2p;
        var data = this._plotData;
        var pdata = this._prevPlotData;
        this.gridData = [];
        this._prevGridData = [];
        this.renderer._smoothedData = [];
        this.renderer._smoothedPlotData = [];
        this.renderer._hiBandGridData = [];
        this.renderer._lowBandGridData = [];
        this.renderer._hiBandSmoothedData = [];
        this.renderer._lowBandSmoothedData = [];
        var bands = this.renderer.bands;
        var hasNull = false;
        for (var i=0, l=data.length; i < l; i++) {
            // if not a line series or if no nulls in data, push the converted point onto the array.
            if (data[i][0] != null && data[i][1] != null) {
                this.gridData.push([xp.call(this._xaxis, data[i][0]), yp.call(this._yaxis, data[i][1])]);
            }
            // else if there is a null, preserve it.
            else if (data[i][0] == null) {
                hasNull = true;
                this.gridData.push([null, yp.call(this._yaxis, data[i][1])]);
            }
            else if (data[i][1] == null) {
                hasNull = true;
                this.gridData.push([xp.call(this._xaxis, data[i][0]), null]);
            }
            // if not a line series or if no nulls in data, push the converted point onto the array.
            if (pdata[i] != null && pdata[i][0] != null && pdata[i][1] != null) {
                this._prevGridData.push([xp.call(this._xaxis, pdata[i][0]), yp.call(this._yaxis, pdata[i][1])]);
            }
            // else if there is a null, preserve it.
            else if (pdata[i] != null && pdata[i][0] == null) {
                this._prevGridData.push([null, yp.call(this._yaxis, pdata[i][1])]);
            }  
            else if (pdata[i] != null && pdata[i][0] != null && pdata[i][1] == null) {
                this._prevGridData.push([xp.call(this._xaxis, pdata[i][0]), null]);
            }
        }

        // don't do smoothing or bands on broken lines.
        if (hasNull) {
            this.renderer.smooth = false;
            if (this._type === 'line') {
                bands.show = false;
            }
        }

        if (this._type === 'line' && bands.show) {
            for (var i=0, l=bands.hiData.length; i<l; i++) {
                this.renderer._hiBandGridData.push([xp.call(this._xaxis, bands.hiData[i][0]), yp.call(this._yaxis, bands.hiData[i][1])]);
            }
            for (var i=0, l=bands.lowData.length; i<l; i++) {
                this.renderer._lowBandGridData.push([xp.call(this._xaxis, bands.lowData[i][0]), yp.call(this._yaxis, bands.lowData[i][1])]);
            }
        }

        // calculate smoothed data if enough points and no nulls
        if (this._type === 'line' && this.renderer.smooth && this.gridData.length > 2) {
            var ret;
            if (this.renderer.constrainSmoothing) {
                ret = computeConstrainedSmoothedData.call(this, this.gridData);
                this.renderer._smoothedData = ret[0];
                this.renderer._smoothedPlotData = ret[1];

                if (bands.show) {
                    ret = computeConstrainedSmoothedData.call(this, this.renderer._hiBandGridData);
                    this.renderer._hiBandSmoothedData = ret[0];
                    ret = computeConstrainedSmoothedData.call(this, this.renderer._lowBandGridData);
                    this.renderer._lowBandSmoothedData = ret[0];
                }

                ret = null;
            }
            else {
                ret = computeHermiteSmoothedData.call(this, this.gridData);
                this.renderer._smoothedData = ret[0];
                this.renderer._smoothedPlotData = ret[1];

                if (bands.show) {
                    ret = computeHermiteSmoothedData.call(this, this.renderer._hiBandGridData);
                    this.renderer._hiBandSmoothedData = ret[0];
                    ret = computeHermiteSmoothedData.call(this, this.renderer._lowBandGridData);
                    this.renderer._lowBandSmoothedData = ret[0];
                }

                ret = null;
            }
        }
    };
    
    // makeGridData
    // converts any arbitrary data values to grid coordinates and
    // returns them.  This method exists so that plugins can use a series'
    // linerenderer to generate grid data points without overwriting the
    // grid data associated with that series.
    // Called with scope of a series.
    $.jqplot.LineRenderer.prototype.makeGridData = function(data, plot) {
        // recalculate the grid data
        var xp = this._xaxis.series_u2p;
        var yp = this._yaxis.series_u2p;
        var gd = [];
        var pgd = [];
        this.renderer._smoothedData = [];
        this.renderer._smoothedPlotData = [];
        this.renderer._hiBandGridData = [];
        this.renderer._lowBandGridData = [];
        this.renderer._hiBandSmoothedData = [];
        this.renderer._lowBandSmoothedData = [];
        var bands = this.renderer.bands;
        var hasNull = false;
        for (var i=0; i<data.length; i++) {
            // if not a line series or if no nulls in data, push the converted point onto the array.
            if (data[i][0] != null && data[i][1] != null) {
                if (this.step && i>0) {
                    gd.push([xp.call(this._xaxis, data[i][0]), yp.call(this._yaxis, data[i-1][1])]);
                }
                gd.push([xp.call(this._xaxis, data[i][0]), yp.call(this._yaxis, data[i][1])]);
            }
            // else if there is a null, preserve it.
            else if (data[i][0] == null) {
                hasNull = true;
                gd.push([null, yp.call(this._yaxis, data[i][1])]);
            }
            else if (data[i][1] == null) {
                hasNull = true;
                gd.push([xp.call(this._xaxis, data[i][0]), null]);
            }
        }

        // don't do smoothing or bands on broken lines.
        if (hasNull) {
            this.renderer.smooth = false;
            if (this._type === 'line') {
                bands.show = false;
            }
        }

        if (this._type === 'line' && bands.show) {
            for (var i=0, l=bands.hiData.length; i<l; i++) {
                this.renderer._hiBandGridData.push([xp.call(this._xaxis, bands.hiData[i][0]), yp.call(this._yaxis, bands.hiData[i][1])]);
            }
            for (var i=0, l=bands.lowData.length; i<l; i++) {
                this.renderer._lowBandGridData.push([xp.call(this._xaxis, bands.lowData[i][0]), yp.call(this._yaxis, bands.lowData[i][1])]);
            }
        }

        if (this._type === 'line' && this.renderer.smooth && gd.length > 2) {
            var ret;
            if (this.renderer.constrainSmoothing) {
                ret = computeConstrainedSmoothedData.call(this, gd);
                this.renderer._smoothedData = ret[0];
                this.renderer._smoothedPlotData = ret[1];

                if (bands.show) {
                    ret = computeConstrainedSmoothedData.call(this, this.renderer._hiBandGridData);
                    this.renderer._hiBandSmoothedData = ret[0];
                    ret = computeConstrainedSmoothedData.call(this, this.renderer._lowBandGridData);
                    this.renderer._lowBandSmoothedData = ret[0];
                }

                ret = null;
            }
            else {
                ret = computeHermiteSmoothedData.call(this, gd);
                this.renderer._smoothedData = ret[0];
                this.renderer._smoothedPlotData = ret[1];

                if (bands.show) {
                    ret = computeHermiteSmoothedData.call(this, this.renderer._hiBandGridData);
                    this.renderer._hiBandSmoothedData = ret[0];
                    ret = computeHermiteSmoothedData.call(this, this.renderer._lowBandGridData);
                    this.renderer._lowBandSmoothedData = ret[0];
                }

                ret = null;
            }
        }
        return gd;
    };
    

    // called within scope of series.
    $.jqplot.LineRenderer.prototype.draw = function(ctx, gd, options, plot) {
        var i;
        // get a copy of the options, so we don't modify the original object.
        var opts = $.extend(true, {}, options);
        var shadow = (opts.shadow != undefined) ? opts.shadow : this.shadow;
        var showLine = (opts.showLine != undefined) ? opts.showLine : this.showLine;
        var fill = (opts.fill != undefined) ? opts.fill : this.fill;
        var fillAndStroke = (opts.fillAndStroke != undefined) ? opts.fillAndStroke : this.fillAndStroke;
        var xmin, ymin, xmax, ymax;
        ctx.save();
        if (gd.length) {
            if (showLine) {
                // if we fill, we'll have to add points to close the curve.
                if (fill) {
                    if (this.fillToZero) { 
                        // have to break line up into shapes at axis crossings
                        var negativeColor = this.negativeColor;
                        if (! this.useNegativeColors) {
                            negativeColor = opts.fillStyle;
                        }
                        var isnegative = false;
                        var posfs = opts.fillStyle;
                    
                        // if stoking line as well as filling, get a copy of line data.
                        if (fillAndStroke) {
                            var fasgd = gd.slice(0);
                        }
                        // if not stacked, fill down to axis
                        if (this.index == 0 || !this._stack) {
                        
                            var tempgd = [];
                            var pd = (this.renderer.smooth) ? this.renderer._smoothedPlotData : this._plotData;
                            this._areaPoints = [];
                            var pyzero = this._yaxis.series_u2p(this.fillToValue);
                            var pxzero = this._xaxis.series_u2p(this.fillToValue);

                            opts.closePath = true;
                            
                            if (this.fillAxis == 'y') {
                                tempgd.push([gd[0][0], pyzero]);
                                this._areaPoints.push([gd[0][0], pyzero]);
                                
                                for (var i=0; i<gd.length-1; i++) {
                                    tempgd.push(gd[i]);
                                    this._areaPoints.push(gd[i]);
                                    // do we have an axis crossing?
                                    if (pd[i][1] * pd[i+1][1] <= 0) {
                                        if (pd[i][1] < 0) {
                                            isnegative = true;
                                            opts.fillStyle = negativeColor;
                                        }
                                        else {
                                            isnegative = false;
                                            opts.fillStyle = posfs;
                                        }
                                        
                                        var xintercept = gd[i][0] + (gd[i+1][0] - gd[i][0]) * (pyzero-gd[i][1])/(gd[i+1][1] - gd[i][1]);
                                        tempgd.push([xintercept, pyzero]);
                                        this._areaPoints.push([xintercept, pyzero]);
                                        // now draw this shape and shadow.
                                        if (shadow) {
                                            this.renderer.shadowRenderer.draw(ctx, tempgd, opts);
                                        }
                                        this.renderer.shapeRenderer.draw(ctx, tempgd, opts);
                                        // now empty temp array and continue
                                        tempgd = [[xintercept, pyzero]];
                                        // this._areaPoints = [[xintercept, pyzero]];
                                    }   
                                }
                                if (pd[gd.length-1][1] < 0) {
                                    isnegative = true;
                                    opts.fillStyle = negativeColor;
                                }
                                else {
                                    isnegative = false;
                                    opts.fillStyle = posfs;
                                }
                                tempgd.push(gd[gd.length-1]);
                                this._areaPoints.push(gd[gd.length-1]);
                                tempgd.push([gd[gd.length-1][0], pyzero]); 
                                this._areaPoints.push([gd[gd.length-1][0], pyzero]); 
                            }
                            // now draw the last area.
                            if (shadow) {
                                this.renderer.shadowRenderer.draw(ctx, tempgd, opts);
                            }
                            this.renderer.shapeRenderer.draw(ctx, tempgd, opts);
                            
                            
                            // var gridymin = this._yaxis.series_u2p(0);
                            // // IE doesn't return new length on unshift
                            // gd.unshift([gd[0][0], gridymin]);
                            // len = gd.length;
                            // gd.push([gd[len - 1][0], gridymin]);                   
                        }
                        // if stacked, fill to line below 
                        else {
                            var prev = this._prevGridData;
                            for (var i=prev.length; i>0; i--) {
                                gd.push(prev[i-1]);
                                // this._areaPoints.push(prev[i-1]);
                            }
                            if (shadow) {
                                this.renderer.shadowRenderer.draw(ctx, gd, opts);
                            }
                            this._areaPoints = gd;
                            this.renderer.shapeRenderer.draw(ctx, gd, opts);
                        }
                    }
                    /////////////////////////
                    // Not filled to zero
                    ////////////////////////
                    else {                    
                        // if stoking line as well as filling, get a copy of line data.
                        if (fillAndStroke) {
                            var fasgd = gd.slice(0);
                        }
                        // if not stacked, fill down to axis
                        if (this.index == 0 || !this._stack) {
                            // var gridymin = this._yaxis.series_u2p(this._yaxis.min) - this.gridBorderWidth / 2;
                            var gridymin = ctx.canvas.height;
                            // IE doesn't return new length on unshift
                            gd.unshift([gd[0][0], gridymin]);
                            var len = gd.length;
                            gd.push([gd[len - 1][0], gridymin]);                   
                        }
                        // if stacked, fill to line below 
                        else {
                            var prev = this._prevGridData;
                            for (var i=prev.length; i>0; i--) {
                                gd.push(prev[i-1]);
                            }
                        }
                        this._areaPoints = gd;
                        
                        if (shadow) {
                            this.renderer.shadowRenderer.draw(ctx, gd, opts);
                        }
            
                        this.renderer.shapeRenderer.draw(ctx, gd, opts);                        
                    }
                    if (fillAndStroke) {
                        var fasopts = $.extend(true, {}, opts, {fill:false, closePath:false});
                        this.renderer.shapeRenderer.draw(ctx, fasgd, fasopts);
                        //////////
                        // TODO: figure out some way to do shadows nicely
                        // if (shadow) {
                        //     this.renderer.shadowRenderer.draw(ctx, fasgd, fasopts);
                        // }
                        // now draw the markers
                        if (this.markerRenderer.show) {
                            if (this.renderer.smooth) {
                                fasgd = this.gridData;
                            }
                            for (i=0; i<fasgd.length; i++) {
                                this.markerRenderer.draw(fasgd[i][0], fasgd[i][1], ctx, opts.markerOptions);
                            }
                        }
                    }
                }
                else {

                    if (this.renderer.bands.show) {
                        var bdat;
                        var bopts = $.extend(true, {}, opts);
                        if (this.renderer.bands.showLines) {
                            bdat = (this.renderer.smooth) ? this.renderer._hiBandSmoothedData : this.renderer._hiBandGridData;
                            this.renderer.shapeRenderer.draw(ctx, bdat, opts);
                            bdat = (this.renderer.smooth) ? this.renderer._lowBandSmoothedData : this.renderer._lowBandGridData;
                            this.renderer.shapeRenderer.draw(ctx, bdat, bopts);
                        }

                        if (this.renderer.bands.fill) {
                            if (this.renderer.smooth) {
                                bdat = this.renderer._hiBandSmoothedData.concat(this.renderer._lowBandSmoothedData.reverse());
                            }
                            else {
                                bdat = this.renderer._hiBandGridData.concat(this.renderer._lowBandGridData.reverse());
                            }
                            this._areaPoints = bdat;
                            bopts.closePath = true;
                            bopts.fill = true;
                            bopts.fillStyle = this.renderer.bands.fillColor;
                            this.renderer.shapeRenderer.draw(ctx, bdat, bopts);
                        }
                    }

                    if (shadow) {
                        this.renderer.shadowRenderer.draw(ctx, gd, opts);
                    }
    
                    this.renderer.shapeRenderer.draw(ctx, gd, opts);
                }
            }
            // calculate the bounding box
            var xmin = xmax = ymin = ymax = null;
            for (i=0; i<this._areaPoints.length; i++) {
                var p = this._areaPoints[i];
                if (xmin > p[0] || xmin == null) {
                    xmin = p[0];
                }
                if (ymax < p[1] || ymax == null) {
                    ymax = p[1];
                }
                if (xmax < p[0] || xmax == null) {
                    xmax = p[0];
                }
                if (ymin > p[1] || ymin == null) {
                    ymin = p[1];
                }
            }

            if (this.type === 'line' && this.renderer.bands.show) {
                ymax = this._yaxis.series_u2p(this.renderer.bands._min);
                ymin = this._yaxis.series_u2p(this.renderer.bands._max);
            }

            this._boundingBox = [[xmin, ymax], [xmax, ymin]];
        
            // now draw the markers
            if (this.markerRenderer.show && !fill) {
                if (this.renderer.smooth) {
                    gd = this.gridData;
                }
                for (i=0; i<gd.length; i++) {
                    if (gd[i][0] != null && gd[i][1] != null) {
                        this.markerRenderer.draw(gd[i][0], gd[i][1], ctx, opts.markerOptions);
                    }
                }
            }
        }
        
        ctx.restore();
    };  
    
    $.jqplot.LineRenderer.prototype.drawShadow = function(ctx, gd, options) {
        // This is a no-op, shadows drawn with lines.
    };
    
    // called with scope of plot.
    // make sure to not leave anything highlighted.
    function postInit(target, data, options) {
        for (var i=0; i<this.series.length; i++) {
            if (this.series[i].renderer.constructor == $.jqplot.LineRenderer) {
                // don't allow mouseover and mousedown at same time.
                if (this.series[i].highlightMouseOver) {
                    this.series[i].highlightMouseDown = false;
                }
            }
        }
    }  
    
    // called within context of plot
    // create a canvas which we can draw on.
    // insert it before the eventCanvas, so eventCanvas will still capture events.
    function postPlotDraw() {
        // Memory Leaks patch    
        if (this.plugins.lineRenderer && this.plugins.lineRenderer.highlightCanvas) {
          this.plugins.lineRenderer.highlightCanvas.resetCanvas();
          this.plugins.lineRenderer.highlightCanvas = null;
        }
        
        this.plugins.lineRenderer.highlightedSeriesIndex = null;
        this.plugins.lineRenderer.highlightCanvas = new $.jqplot.GenericCanvas();
        
        this.eventCanvas._elem.before(this.plugins.lineRenderer.highlightCanvas.createElement(this._gridPadding, 'jqplot-lineRenderer-highlight-canvas', this._plotDimensions, this));
        this.plugins.lineRenderer.highlightCanvas.setContext();
        this.eventCanvas._elem.bind('mouseleave', {plot:this}, function (ev) { unhighlight(ev.data.plot); });
    } 
    
    function highlight (plot, sidx, pidx, points) {
        var s = plot.series[sidx];
        var canvas = plot.plugins.lineRenderer.highlightCanvas;
        canvas._ctx.clearRect(0,0,canvas._ctx.canvas.width, canvas._ctx.canvas.height);
        s._highlightedPoint = pidx;
        plot.plugins.lineRenderer.highlightedSeriesIndex = sidx;
        var opts = {fillStyle: s.highlightColor};
        if (s.type === 'line' && s.renderer.bands.show) {
            opts.fill = true;
            opts.closePath = true;
        }
        s.renderer.shapeRenderer.draw(canvas._ctx, points, opts);
        canvas = null;
    }
    
    function unhighlight (plot) {
        var canvas = plot.plugins.lineRenderer.highlightCanvas;
        canvas._ctx.clearRect(0,0, canvas._ctx.canvas.width, canvas._ctx.canvas.height);
        for (var i=0; i<plot.series.length; i++) {
            plot.series[i]._highlightedPoint = null;
        }
        plot.plugins.lineRenderer.highlightedSeriesIndex = null;
        plot.target.trigger('jqplotDataUnhighlight');
        canvas = null;
    }
    
    
    function handleMove(ev, gridpos, datapos, neighbor, plot) {
        if (neighbor) {
            var ins = [neighbor.seriesIndex, neighbor.pointIndex, neighbor.data];
            var evt1 = jQuery.Event('jqplotDataMouseOver');
            evt1.pageX = ev.pageX;
            evt1.pageY = ev.pageY;
            plot.target.trigger(evt1, ins);
            if (plot.series[ins[0]].highlightMouseOver && !(ins[0] == plot.plugins.lineRenderer.highlightedSeriesIndex)) {
                var evt = jQuery.Event('jqplotDataHighlight');
                evt.which = ev.which;
                evt.pageX = ev.pageX;
                evt.pageY = ev.pageY;
                plot.target.trigger(evt, ins);
                highlight (plot, neighbor.seriesIndex, neighbor.pointIndex, neighbor.points);
            }
        }
        else if (neighbor == null) {
            unhighlight (plot);
        }
    }
    
    function handleMouseDown(ev, gridpos, datapos, neighbor, plot) {
        if (neighbor) {
            var ins = [neighbor.seriesIndex, neighbor.pointIndex, neighbor.data];
            if (plot.series[ins[0]].highlightMouseDown && !(ins[0] == plot.plugins.lineRenderer.highlightedSeriesIndex)) {
                var evt = jQuery.Event('jqplotDataHighlight');
                evt.which = ev.which;
                evt.pageX = ev.pageX;
                evt.pageY = ev.pageY;
                plot.target.trigger(evt, ins);
                highlight (plot, neighbor.seriesIndex, neighbor.pointIndex, neighbor.points);
            }
        }
        else if (neighbor == null) {
            unhighlight (plot);
        }
    }
    
    function handleMouseUp(ev, gridpos, datapos, neighbor, plot) {
        var idx = plot.plugins.lineRenderer.highlightedSeriesIndex;
        if (idx != null && plot.series[idx].highlightMouseDown) {
            unhighlight(plot);
        }
    }
    
    function handleClick(ev, gridpos, datapos, neighbor, plot) {
        if (neighbor) {
            var ins = [neighbor.seriesIndex, neighbor.pointIndex, neighbor.data];
            var evt = jQuery.Event('jqplotDataClick');
            evt.which = ev.which;
            evt.pageX = ev.pageX;
            evt.pageY = ev.pageY;
            plot.target.trigger(evt, ins);
        }
    }
    
    function handleRightClick(ev, gridpos, datapos, neighbor, plot) {
        if (neighbor) {
            var ins = [neighbor.seriesIndex, neighbor.pointIndex, neighbor.data];
            var idx = plot.plugins.lineRenderer.highlightedSeriesIndex;
            if (idx != null && plot.series[idx].highlightMouseDown) {
                unhighlight(plot);
            }
            var evt = jQuery.Event('jqplotDataRightClick');
            evt.which = ev.which;
            evt.pageX = ev.pageX;
            evt.pageY = ev.pageY;
            plot.target.trigger(evt, ins);
        }
    }
    
    
    // class: $.jqplot.LinearAxisRenderer
    // The default jqPlot axis renderer, creating a numeric axis.
    $.jqplot.LinearAxisRenderer = function() {
    };
    
    // called with scope of axis object.
    $.jqplot.LinearAxisRenderer.prototype.init = function(options){
        // prop: breakPoints
        // EXPERIMENTAL!! Use at your own risk!
        // Works only with linear axes and the default tick renderer.
        // Array of [start, stop] points to create a broken axis.
        // Broken axes have a "jump" in them, which is an immediate 
        // transition from a smaller value to a larger value.
        // Currently, axis ticks MUST be manually assigned if using breakPoints
        // by using the axis ticks array option.
        this.breakPoints = null;
        // prop: breakTickLabel
        // Label to use at the axis break if breakPoints are specified.
        this.breakTickLabel = "&asymp;";
        // prop: drawBaseline
        // True to draw the axis baseline.
        this.drawBaseline = true;
        // prop: baselineWidth
        // width of the baseline in pixels.
        this.baselineWidth = null;
        // prop: baselineColor
        // CSS color spec for the baseline.
        this.baselineColor = null;
        // prop: forceTickAt0
        // This will ensure that there is always a tick mark at 0.
        // If data range is strictly positive or negative,
        // this will force 0 to be inside the axis bounds unless
        // the appropriate axis pad (pad, padMin or padMax) is set
        // to 0, then this will force an axis min or max value at 0.
        // This has know effect when any of the following options
        // are set:  autoscale, min, max, numberTicks or tickInterval.
        this.forceTickAt0 = false;
        // prop: forceTickAt100
        // This will ensure that there is always a tick mark at 100.
        // If data range is strictly above or below 100,
        // this will force 100 to be inside the axis bounds unless
        // the appropriate axis pad (pad, padMin or padMax) is set
        // to 0, then this will force an axis min or max value at 100.
        // This has know effect when any of the following options
        // are set:  autoscale, min, max, numberTicks or tickInterval.
        this.forceTickAt100 = false;
        // prop: tickInset
        // Controls the amount to inset the first and last ticks from 
        // the edges of the grid, in multiples of the tick interval.
        // 0 is no inset, 0.5 is one half a tick interval, 1 is a full
        // tick interval, etc.
        this.tickInset = 0;
        // prop: minorTicks
        // Number of ticks to add between "major" ticks.
        // Major ticks are ticks supplied by user or auto computed.
        // Minor ticks cannot be created by user.
        this.minorTicks = 0;
        // prop: alignTicks
        // true to align tick marks across opposed axes
        // such as from the y2axis to yaxis.
        this.alignTicks = false;
        this._autoFormatString = '';
        this._overrideFormatString = false;
        this._scalefact = 1.0;
        $.extend(true, this, options);
        if (this.breakPoints) {
            if (!$.isArray(this.breakPoints)) {
                this.breakPoints = null;
            }
            else if (this.breakPoints.length < 2 || this.breakPoints[1] <= this.breakPoints[0]) {
                this.breakPoints = null;
            }
        }
        if (this.numberTicks != null && this.numberTicks < 2) {
            this.numberTicks = 2;
        }
        this.resetDataBounds();
    };
    
    // called with scope of axis
    $.jqplot.LinearAxisRenderer.prototype.draw = function(ctx, plot) {
        if (this.show) {
            // populate the axis label and value properties.
            // createTicks is a method on the renderer, but
            // call it within the scope of the axis.
            this.renderer.createTicks.call(this, plot);
            // fill a div with axes labels in the right direction.
            // Need to pregenerate each axis to get its bounds and
            // position it and the labels correctly on the plot.
            var dim=0;
            var temp;
            // Added for theming.
            if (this._elem) {
                // Memory Leaks patch
                //this._elem.empty();
                this._elem.emptyForce();
                this._elem = null;
            }
            
            this._elem = $(document.createElement('div'));
            this._elem.addClass('jqplot-axis jqplot-'+this.name);
            this._elem.css('position', 'absolute');

            
            if (this.name == 'xaxis' || this.name == 'x2axis') {
                this._elem.width(this._plotDimensions.width);
            }
            else {
                this._elem.height(this._plotDimensions.height);
            }
            
            // create a _label object.
            this.labelOptions.axis = this.name;
            this._label = new this.labelRenderer(this.labelOptions);
            if (this._label.show) {
                var elem = this._label.draw(ctx, plot);
                elem.appendTo(this._elem);
                elem = null;
            }
    
            var t = this._ticks;
            var tick;
            for (var i=0; i<t.length; i++) {
                tick = t[i];
                if (tick.show && tick.showLabel && (!tick.isMinorTick || this.showMinorTicks)) {
                    this._elem.append(tick.draw(ctx, plot));
                }
            }
            tick = null;
            t = null;
        }
        return this._elem;
    };
    
    // called with scope of an axis
    $.jqplot.LinearAxisRenderer.prototype.reset = function() {
        this.min = this._options.min;
        this.max = this._options.max;
        this.tickInterval = this._options.tickInterval;
        this.numberTicks = this._options.numberTicks;
        this._autoFormatString = '';
        if (this._overrideFormatString && this.tickOptions && this.tickOptions.formatString) {
            this.tickOptions.formatString = '';
        }

        // this._ticks = this.__ticks;
    };
    
    // called with scope of axis
    $.jqplot.LinearAxisRenderer.prototype.set = function() { 
        var dim = 0;
        var temp;
        var w = 0;
        var h = 0;
        var lshow = (this._label == null) ? false : this._label.show;
        if (this.show) {
            var t = this._ticks;
            var tick;
            for (var i=0; i<t.length; i++) {
                tick = t[i];
                if (!tick._breakTick && tick.show && tick.showLabel && (!tick.isMinorTick || this.showMinorTicks)) {
                    if (this.name == 'xaxis' || this.name == 'x2axis') {
                        temp = tick._elem.outerHeight(true);
                    }
                    else {
                        temp = tick._elem.outerWidth(true);
                    }
                    if (temp > dim) {
                        dim = temp;
                    }
                }
            }
            tick = null;
            t = null;
            
            if (lshow) {
                w = this._label._elem.outerWidth(true);
                h = this._label._elem.outerHeight(true); 
            }
            if (this.name == 'xaxis') {
                dim = dim + h;
                this._elem.css({'height':dim+'px', left:'0px', bottom:'0px'});
            }
            else if (this.name == 'x2axis') {
                dim = dim + h;
                this._elem.css({'height':dim+'px', left:'0px', top:'0px'});
            }
            else if (this.name == 'yaxis') {
                dim = dim + w;
                this._elem.css({'width':dim+'px', left:'0px', top:'0px'});
                if (lshow && this._label.constructor == $.jqplot.AxisLabelRenderer) {
                    this._label._elem.css('width', w+'px');
                }
            }
            else {
                dim = dim + w;
                this._elem.css({'width':dim+'px', right:'0px', top:'0px'});
                if (lshow && this._label.constructor == $.jqplot.AxisLabelRenderer) {
                    this._label._elem.css('width', w+'px');
                }
            }
        }  
    };    
    
    // called with scope of axis
    $.jqplot.LinearAxisRenderer.prototype.createTicks = function(plot) {
        // we're are operating on an axis here
        var ticks = this._ticks;
        var userTicks = this.ticks;
        var name = this.name;
        // databounds were set on axis initialization.
        var db = this._dataBounds;
        var dim = (this.name.charAt(0) === 'x') ? this._plotDimensions.width : this._plotDimensions.height;
        var interval;
        var min, max;
        var pos1, pos2;
        var tt, i;
        // get a copy of user's settings for min/max.
        var userMin = this.min;
        var userMax = this.max;
        var userNT = this.numberTicks;
        var userTI = this.tickInterval;

        var threshold = 30;
        this._scalefact =  (Math.max(dim, threshold+1) - threshold)/300.0;
        
        // if we already have ticks, use them.
        // ticks must be in order of increasing value.
        
        if (userTicks.length) {
            // ticks could be 1D or 2D array of [val, val, ,,,] or [[val, label], [val, label], ...] or mixed
            for (i=0; i<userTicks.length; i++){
                var ut = userTicks[i];
                var t = new this.tickRenderer(this.tickOptions);
                if ($.isArray(ut)) {
                    t.value = ut[0];
                    if (this.breakPoints) {
                        if (ut[0] == this.breakPoints[0]) {
                            t.label = this.breakTickLabel;
                            t._breakTick = true;
                            t.showGridline = false;
                            t.showMark = false;
                        }
                        else if (ut[0] > this.breakPoints[0] && ut[0] <= this.breakPoints[1]) {
                            t.show = false;
                            t.showGridline = false;
                            t.label = ut[1];
                        }
                        else {
                            t.label = ut[1];
                        }
                    }
                    else {
                        t.label = ut[1];
                    }
                    t.setTick(ut[0], this.name);
                    this._ticks.push(t);
                }

                else if ($.isPlainObject(ut)) {
                    $.extend(true, t, ut);
                    t.axis = this.name;
                    this._ticks.push(t);
                }
                
                else {
                    t.value = ut;
                    if (this.breakPoints) {
                        if (ut == this.breakPoints[0]) {
                            t.label = this.breakTickLabel;
                            t._breakTick = true;
                            t.showGridline = false;
                            t.showMark = false;
                        }
                        else if (ut > this.breakPoints[0] && ut <= this.breakPoints[1]) {
                            t.show = false;
                            t.showGridline = false;
                        }
                    }
                    t.setTick(ut, this.name);
                    this._ticks.push(t);
                }
            }
            this.numberTicks = userTicks.length;
            this.min = this._ticks[0].value;
            this.max = this._ticks[this.numberTicks-1].value;
            this.tickInterval = (this.max - this.min) / (this.numberTicks - 1);
        }
        
        // we don't have any ticks yet, let's make some!
        else {
            if (name == 'xaxis' || name == 'x2axis') {
                dim = this._plotDimensions.width;
            }
            else {
                dim = this._plotDimensions.height;
            }

            var _numberTicks = this.numberTicks;

            // if aligning this axis, use number of ticks from previous axis.
            // Do I need to reset somehow if alignTicks is changed and then graph is replotted??
            if (this.alignTicks) {
                if (this.name === 'x2axis' && plot.axes.xaxis.show) {
                    _numberTicks = plot.axes.xaxis.numberTicks;
                }
                else if (this.name.charAt(0) === 'y' && this.name !== 'yaxis' && this.name !== 'yMidAxis' && plot.axes.yaxis.show) {
                    _numberTicks = plot.axes.yaxis.numberTicks;
                }
            }
        
            min = ((this.min != null) ? this.min : db.min);
            max = ((this.max != null) ? this.max : db.max);

            var range = max - min;
            var rmin, rmax;
            var temp;

            if (this.tickOptions == null || !this.tickOptions.formatString) {
                this._overrideFormatString = true;
            }

            // Doing complete autoscaling
            if (this.min == null || this.max == null && this.tickInterval == null && !this.autoscale) {
                // Check if user must have tick at 0 or 100 and ensure they are in range.
                // The autoscaling algorithm will always place ticks at 0 and 100 if they are in range.
                if (this.forceTickAt0) {
                    if (min > 0) {
                        min = 0;
                    }
                    if (max < 0) {
                        max = 0;
                    }
                }

                if (this.forceTickAt100) {
                    if (min > 100) {
                        min = 100;
                    }
                    if (max < 100) {
                        max = 100;
                    }
                }

                var keepMin = false,
                    keepMax = false;

                if (this.min != null) {
                    keepMin = true;
                }

                else if (this.max != null) {
                    keepMax = true;
                }

                // var threshold = 30;
                // var tdim = Math.max(dim, threshold+1);
                // this._scalefact =  (tdim-threshold)/300.0;
                var ret = $.jqplot.LinearTickGenerator(min, max, this._scalefact, _numberTicks, keepMin, keepMax); 
                // calculate a padded max and min, points should be less than these
                // so that they aren't too close to the edges of the plot.
                // User can adjust how much padding is allowed with pad, padMin and PadMax options. 
                // If min or max is set, don't pad that end of axis.
                var tumin = (this.min != null) ? min : min + range*(this.padMin - 1);
                var tumax = (this.max != null) ? max : max - range*(this.padMax - 1);

                // if they're equal, we shouldn't have to do anything, right?
                // if (min <=tumin || max >= tumax) {
                if (min <tumin || max > tumax) {
                    tumin = (this.min != null) ? min : min - range*(this.padMin - 1);
                    tumax = (this.max != null) ? max : max + range*(this.padMax - 1);
                    ret = $.jqplot.LinearTickGenerator(tumin, tumax, this._scalefact, _numberTicks, keepMin, keepMax);
                }

                this.min = ret[0];
                this.max = ret[1];
                // if numberTicks specified, it should return the same.
                this.numberTicks = ret[2];
                this._autoFormatString = ret[3];
                this.tickInterval = ret[4];
            }

            // User has specified some axis scale related option, can use auto algorithm
            else {
                
                // if min and max are same, space them out a bit
                if (min == max) {
                    var adj = 0.05;
                    if (min > 0) {
                        adj = Math.max(Math.log(min)/Math.LN10, 0.05);
                    }
                    min -= adj;
                    max += adj;
                }
                
                // autoscale.  Can't autoscale if min or max is supplied.
                // Will use numberTicks and tickInterval if supplied.  Ticks
                // across multiple axes may not line up depending on how
                // bars are to be plotted.
                if (this.autoscale && this.min == null && this.max == null) {
                    var rrange, ti, margin;
                    var forceMinZero = false;
                    var forceZeroLine = false;
                    var intervals = {min:null, max:null, average:null, stddev:null};
                    // if any series are bars, or if any are fill to zero, and if this
                    // is the axis to fill toward, check to see if we can start axis at zero.
                    for (var i=0; i<this._series.length; i++) {
                        var s = this._series[i];
                        var faname = (s.fillAxis == 'x') ? s._xaxis.name : s._yaxis.name;
                        // check to see if this is the fill axis
                        if (this.name == faname) {
                            var vals = s._plotValues[s.fillAxis];
                            var vmin = vals[0];
                            var vmax = vals[0];
                            for (var j=1; j<vals.length; j++) {
                                if (vals[j] < vmin) {
                                    vmin = vals[j];
                                }
                                else if (vals[j] > vmax) {
                                    vmax = vals[j];
                                }
                            }
                            var dp = (vmax - vmin) / vmax;
                            // is this sries a bar?
                            if (s.renderer.constructor == $.jqplot.BarRenderer) {
                                // if no negative values and could also check range.
                                if (vmin >= 0 && (s.fillToZero || dp > 0.1)) {
                                    forceMinZero = true;
                                }
                                else {
                                    forceMinZero = false;
                                    if (s.fill && s.fillToZero && vmin < 0 && vmax > 0) {
                                        forceZeroLine = true;
                                    }
                                    else {
                                        forceZeroLine = false;
                                    }
                                }
                            }
                            
                            // if not a bar and filling, use appropriate method.
                            else if (s.fill) {
                                if (vmin >= 0 && (s.fillToZero || dp > 0.1)) {
                                    forceMinZero = true;
                                }
                                else if (vmin < 0 && vmax > 0 && s.fillToZero) {
                                    forceMinZero = false;
                                    forceZeroLine = true;
                                }
                                else {
                                    forceMinZero = false;
                                    forceZeroLine = false;
                                }
                            }
                            
                            // if not a bar and not filling, only change existing state
                            // if it doesn't make sense
                            else if (vmin < 0) {
                                forceMinZero = false;
                            }
                        }
                    }
                    
                    // check if we need make axis min at 0.
                    if (forceMinZero) {
                        // compute number of ticks
                        this.numberTicks = 2 + Math.ceil((dim-(this.tickSpacing-1))/this.tickSpacing);
                        this.min = 0;
                        userMin = 0;
                        // what order is this range?
                        // what tick interval does that give us?
                        ti = max/(this.numberTicks-1);
                        temp = Math.pow(10, Math.abs(Math.floor(Math.log(ti)/Math.LN10)));
                        if (ti/temp == parseInt(ti/temp, 10)) {
                            ti += temp;
                        }
                        this.tickInterval = Math.ceil(ti/temp) * temp;
                        this.max = this.tickInterval * (this.numberTicks - 1);
                    }
                    
                    // check if we need to make sure there is a tick at 0.
                    else if (forceZeroLine) {
                        // compute number of ticks
                        this.numberTicks = 2 + Math.ceil((dim-(this.tickSpacing-1))/this.tickSpacing);
                        var ntmin = Math.ceil(Math.abs(min)/range*(this.numberTicks-1));
                        var ntmax = this.numberTicks - 1  - ntmin;
                        ti = Math.max(Math.abs(min/ntmin), Math.abs(max/ntmax));
                        temp = Math.pow(10, Math.abs(Math.floor(Math.log(ti)/Math.LN10)));
                        this.tickInterval = Math.ceil(ti/temp) * temp;
                        this.max = this.tickInterval * ntmax;
                        this.min = -this.tickInterval * ntmin;
                    }
                    
                    // if nothing else, do autoscaling which will try to line up ticks across axes.
                    else {  
                        if (this.numberTicks == null){
                            if (this.tickInterval) {
                                this.numberTicks = 3 + Math.ceil(range / this.tickInterval);
                            }
                            else {
                                this.numberTicks = 2 + Math.ceil((dim-(this.tickSpacing-1))/this.tickSpacing);
                            }
                        }
                
                        if (this.tickInterval == null) {
                            // get a tick interval
                            ti = range/(this.numberTicks - 1);

                            if (ti < 1) {
                                temp = Math.pow(10, Math.abs(Math.floor(Math.log(ti)/Math.LN10)));
                            }
                            else {
                                temp = 1;
                            }
                            this.tickInterval = Math.ceil(ti*temp*this.pad)/temp;
                        }
                        else {
                            temp = 1 / this.tickInterval;
                        }
                        
                        // try to compute a nicer, more even tick interval
                        // temp = Math.pow(10, Math.floor(Math.log(ti)/Math.LN10));
                        // this.tickInterval = Math.ceil(ti/temp) * temp;
                        rrange = this.tickInterval * (this.numberTicks - 1);
                        margin = (rrange - range)/2;
           
                        if (this.min == null) {
                            this.min = Math.floor(temp*(min-margin))/temp;
                        }
                        if (this.max == null) {
                            this.max = this.min + rrange;
                        }
                    }

                    // Compute a somewhat decent format string if it is needed.
                    // get precision of interval and determine a format string.
                    var sf = $.jqplot.getSignificantFigures(this.tickInterval);

                    var fstr;

                    // if we have only a whole number, use integer formatting
                    if (sf.digitsLeft >= sf.significantDigits) {
                        fstr = '%d';
                    }

                    else {
                        var temp = Math.max(0, 5 - sf.digitsLeft);
                        temp = Math.min(temp, sf.digitsRight);
                        fstr = '%.'+ temp + 'f';
                    }

                    this._autoFormatString = fstr;
                }
                
                // Use the default algorithm which pads each axis to make the chart
                // centered nicely on the grid.
                else {

                    rmin = (this.min != null) ? this.min : min - range*(this.padMin - 1);
                    rmax = (this.max != null) ? this.max : max + range*(this.padMax - 1);
                    range = rmax - rmin;
        
                    if (this.numberTicks == null){
                        // if tickInterval is specified by user, we will ignore computed maximum.
                        // max will be equal or greater to fit even # of ticks.
                        if (this.tickInterval != null) {
                            this.numberTicks = Math.ceil((rmax - rmin)/this.tickInterval)+1;
                        }
                        else if (dim > 100) {
                            this.numberTicks = parseInt(3+(dim-100)/75, 10);
                        }
                        else {
                            this.numberTicks = 2;
                        }
                    }
                
                    if (this.tickInterval == null) {
                        this.tickInterval = range / (this.numberTicks-1);
                    }
                    
                    if (this.max == null) {
                        rmax = rmin + this.tickInterval*(this.numberTicks - 1);
                    }        
                    if (this.min == null) {
                        rmin = rmax - this.tickInterval*(this.numberTicks - 1);
                    }

                    // get precision of interval and determine a format string.
                    var sf = $.jqplot.getSignificantFigures(this.tickInterval);

                    var fstr;

                    // if we have only a whole number, use integer formatting
                    if (sf.digitsLeft >= sf.significantDigits) {
                        fstr = '%d';
                    }

                    else {
                        var temp = Math.max(0, 5 - sf.digitsLeft);
                        temp = Math.min(temp, sf.digitsRight);
                        fstr = '%.'+ temp + 'f';
                    }


                    this._autoFormatString = fstr;

                    this.min = rmin;
                    this.max = rmax;
                }
                
                if (this.renderer.constructor == $.jqplot.LinearAxisRenderer && this._autoFormatString == '') {
                    // fix for misleading tick display with small range and low precision.
                    range = this.max - this.min;
                    // figure out precision
                    var temptick = new this.tickRenderer(this.tickOptions);
                    // use the tick formatString or, the default.
                    var fs = temptick.formatString || $.jqplot.config.defaultTickFormatString; 
                    var fs = fs.match($.jqplot.sprintf.regex)[0];
                    var precision = 0;
                    if (fs) {
                        if (fs.search(/[fFeEgGpP]/) > -1) {
                            var m = fs.match(/\%\.(\d{0,})?[eEfFgGpP]/);
                            if (m) {
                                precision = parseInt(m[1], 10);
                            }
                            else {
                                precision = 6;
                            }
                        }
                        else if (fs.search(/[di]/) > -1) {
                            precision = 0;
                        }
                        // fact will be <= 1;
                        var fact = Math.pow(10, -precision);
                        if (this.tickInterval < fact) {
                            // need to correct underrange
                            if (userNT == null && userTI == null) {
                                this.tickInterval = fact;
                                if (userMax == null && userMin == null) {
                                    // this.min = Math.floor((this._dataBounds.min - this.tickInterval)/fact) * fact;
                                    this.min = Math.floor(this._dataBounds.min/fact) * fact;
                                    if (this.min == this._dataBounds.min) {
                                        this.min = this._dataBounds.min - this.tickInterval;
                                    }
                                    // this.max = Math.ceil((this._dataBounds.max + this.tickInterval)/fact) * fact;
                                    this.max = Math.ceil(this._dataBounds.max/fact) * fact;
                                    if (this.max == this._dataBounds.max) {
                                        this.max = this._dataBounds.max + this.tickInterval;
                                    }
                                    var n = (this.max - this.min)/this.tickInterval;
                                    n = n.toFixed(11);
                                    n = Math.ceil(n);
                                    this.numberTicks = n + 1;
                                }
                                else if (userMax == null) {
                                    // add one tick for top of range.
                                    var n = (this._dataBounds.max - this.min) / this.tickInterval;
                                    n = n.toFixed(11);
                                    this.numberTicks = Math.ceil(n) + 2;
                                    this.max = this.min + this.tickInterval * (this.numberTicks-1);
                                }
                                else if (userMin == null) {
                                    // add one tick for bottom of range.
                                    var n = (this.max - this._dataBounds.min) / this.tickInterval;
                                    n = n.toFixed(11);
                                    this.numberTicks = Math.ceil(n) + 2;
                                    this.min = this.max - this.tickInterval * (this.numberTicks-1);
                                }
                                else {
                                    // calculate a number of ticks so max is within axis scale
                                    this.numberTicks = Math.ceil((userMax - userMin)/this.tickInterval) + 1;
                                    // if user's min and max don't fit evenly in ticks, adjust.
                                    // This takes care of cases such as user min set to 0, max set to 3.5 but tick
                                    // format string set to %d (integer ticks)
                                    this.min =  Math.floor(userMin*Math.pow(10, precision))/Math.pow(10, precision);
                                    this.max =  Math.ceil(userMax*Math.pow(10, precision))/Math.pow(10, precision);
                                    // this.max = this.min + this.tickInterval*(this.numberTicks-1);
                                    this.numberTicks = Math.ceil((this.max - this.min)/this.tickInterval) + 1;
                                }
                            }
                        }
                    }
                }
                
            }
            
            if (this._overrideFormatString && this._autoFormatString != '') {
                this.tickOptions = this.tickOptions || {};
                this.tickOptions.formatString = this._autoFormatString;
            }

            var t, to;
            for (var i=0; i<this.numberTicks; i++){
                tt = this.min + i * this.tickInterval;
                t = new this.tickRenderer(this.tickOptions);
                // var t = new $.jqplot.AxisTickRenderer(this.tickOptions);

                t.setTick(tt, this.name);
                this._ticks.push(t);

                if (i < this.numberTicks - 1) {
                    for (var j=0; j<this.minorTicks; j++) {
                        tt += this.tickInterval/(this.minorTicks+1);
                        to = $.extend(true, {}, this.tickOptions, {name:this.name, value:tt, label:'', isMinorTick:true});
                        t = new this.tickRenderer(to);
                        this._ticks.push(t);
                    }
                }
                t = null;
            }
        }

        if (this.tickInset) {
            this.min = this.min - this.tickInset * this.tickInterval;
            this.max = this.max + this.tickInset * this.tickInterval;
        }

        ticks = null;
    };
    
    // Used to reset just the values of the ticks and then repack, which will
    // recalculate the positioning functions.  It is assuemd that the 
    // number of ticks is the same and the values of the new array are at the
    // proper interval.
    // This method needs to be called with the scope of an axis object, like:
    //
    // > plot.axes.yaxis.renderer.resetTickValues.call(plot.axes.yaxis, yarr);
    //
    $.jqplot.LinearAxisRenderer.prototype.resetTickValues = function(opts) {
        if ($.isArray(opts) && opts.length == this._ticks.length) {
            var t;
            for (var i=0; i<opts.length; i++) {
                t = this._ticks[i];
                t.value = opts[i];
                t.label = t.formatter(t.formatString, opts[i]);
                t.label = t.prefix + t.label;
                t._elem.html(t.label);
            }
            t = null;
            this.min = $.jqplot.arrayMin(opts);
            this.max = $.jqplot.arrayMax(opts);
            this.pack();
        }
        // Not implemented yet.
        // else if ($.isPlainObject(opts)) {
        // 
        // }
    };
    
    // called with scope of axis
    $.jqplot.LinearAxisRenderer.prototype.pack = function(pos, offsets) {
        // Add defaults for repacking from resetTickValues function.
        pos = pos || {};
        offsets = offsets || this._offsets;
        
        var ticks = this._ticks;
        var max = this.max;
        var min = this.min;
        var offmax = offsets.max;
        var offmin = offsets.min;
        var lshow = (this._label == null) ? false : this._label.show;
        
        for (var p in pos) {
            this._elem.css(p, pos[p]);
        }
        
        this._offsets = offsets;
        // pixellength will be + for x axes and - for y axes becasue pixels always measured from top left.
        var pixellength = offmax - offmin;
        var unitlength = max - min;
        
        // point to unit and unit to point conversions references to Plot DOM element top left corner.
        if (this.breakPoints) {
            unitlength = unitlength - this.breakPoints[1] + this.breakPoints[0];
            
            this.p2u = function(p){
                return (p - offmin) * unitlength / pixellength + min;
            };
        
            this.u2p = function(u){
                if (u > this.breakPoints[0] && u < this.breakPoints[1]){
                    u = this.breakPoints[0];
                }
                if (u <= this.breakPoints[0]) {
                    return (u - min) * pixellength / unitlength + offmin;
                }
                else {
                    return (u - this.breakPoints[1] + this.breakPoints[0] - min) * pixellength / unitlength + offmin;
                }
            };
                
            if (this.name.charAt(0) == 'x'){
                this.series_u2p = function(u){
                    if (u > this.breakPoints[0] && u < this.breakPoints[1]){
                        u = this.breakPoints[0];
                    }
                    if (u <= this.breakPoints[0]) {
                        return (u - min) * pixellength / unitlength;
                    }
                    else {
                        return (u - this.breakPoints[1] + this.breakPoints[0] - min) * pixellength / unitlength;
                    }
                };
                this.series_p2u = function(p){
                    return p * unitlength / pixellength + min;
                };
            }
        
            else {
                this.series_u2p = function(u){
                    if (u > this.breakPoints[0] && u < this.breakPoints[1]){
                        u = this.breakPoints[0];
                    }
                    if (u >= this.breakPoints[1]) {
                        return (u - max) * pixellength / unitlength;
                    }
                    else {
                        return (u + this.breakPoints[1] - this.breakPoints[0] - max) * pixellength / unitlength;
                    }
                };
                this.series_p2u = function(p){
                    return p * unitlength / pixellength + max;
                };
            }
        }
        else {
            this.p2u = function(p){
                return (p - offmin) * unitlength / pixellength + min;
            };
        
            this.u2p = function(u){
                return (u - min) * pixellength / unitlength + offmin;
            };
                
            if (this.name == 'xaxis' || this.name == 'x2axis'){
                this.series_u2p = function(u){
                    return (u - min) * pixellength / unitlength;
                };
                this.series_p2u = function(p){
                    return p * unitlength / pixellength + min;
                };
            }
        
            else {
                this.series_u2p = function(u){
                    return (u - max) * pixellength / unitlength;
                };
                this.series_p2u = function(p){
                    return p * unitlength / pixellength + max;
                };
            }
        }
        
        if (this.show) {
            if (this.name == 'xaxis' || this.name == 'x2axis') {
                for (var i=0; i<ticks.length; i++) {
                    var t = ticks[i];
                    if (t.show && t.showLabel) {
                        var shim;
                        
                        if (t.constructor == $.jqplot.CanvasAxisTickRenderer && t.angle) {
                            // will need to adjust auto positioning based on which axis this is.
                            var temp = (this.name == 'xaxis') ? 1 : -1;
                            switch (t.labelPosition) {
                                case 'auto':
                                    // position at end
                                    if (temp * t.angle < 0) {
                                        shim = -t.getWidth() + t._textRenderer.height * Math.sin(-t._textRenderer.angle) / 2;
                                    }
                                    // position at start
                                    else {
                                        shim = -t._textRenderer.height * Math.sin(t._textRenderer.angle) / 2;
                                    }
                                    break;
                                case 'end':
                                    shim = -t.getWidth() + t._textRenderer.height * Math.sin(-t._textRenderer.angle) / 2;
                                    break;
                                case 'start':
                                    shim = -t._textRenderer.height * Math.sin(t._textRenderer.angle) / 2;
                                    break;
                                case 'middle':
                                    shim = -t.getWidth()/2 + t._textRenderer.height * Math.sin(-t._textRenderer.angle) / 2;
                                    break;
                                default:
                                    shim = -t.getWidth()/2 + t._textRenderer.height * Math.sin(-t._textRenderer.angle) / 2;
                                    break;
                            }
                        }
                        else {
                            shim = -t.getWidth()/2;
                        }
                        var val = this.u2p(t.value) + shim + 'px';
                        t._elem.css('left', val);
                        t.pack();
                    }
                }
                if (lshow) {
                    var w = this._label._elem.outerWidth(true);
                    this._label._elem.css('left', offmin + pixellength/2 - w/2 + 'px');
                    if (this.name == 'xaxis') {
                        this._label._elem.css('bottom', '0px');
                    }
                    else {
                        this._label._elem.css('top', '0px');
                    }
                    this._label.pack();
                }
            }
            else {
                for (var i=0; i<ticks.length; i++) {
                    var t = ticks[i];
                    if (t.show && t.showLabel) {                        
                        var shim;
                        if (t.constructor == $.jqplot.CanvasAxisTickRenderer && t.angle) {
                            // will need to adjust auto positioning based on which axis this is.
                            var temp = (this.name == 'yaxis') ? 1 : -1;
                            switch (t.labelPosition) {
                                case 'auto':
                                    // position at end
                                case 'end':
                                    if (temp * t.angle < 0) {
                                        shim = -t._textRenderer.height * Math.cos(-t._textRenderer.angle) / 2;
                                    }
                                    else {
                                        shim = -t.getHeight() + t._textRenderer.height * Math.cos(t._textRenderer.angle) / 2;
                                    }
                                    break;
                                case 'start':
                                    if (t.angle > 0) {
                                        shim = -t._textRenderer.height * Math.cos(-t._textRenderer.angle) / 2;
                                    }
                                    else {
                                        shim = -t.getHeight() + t._textRenderer.height * Math.cos(t._textRenderer.angle) / 2;
                                    }
                                    break;
                                case 'middle':
                                    // if (t.angle > 0) {
                                    //     shim = -t.getHeight()/2 + t._textRenderer.height * Math.sin(-t._textRenderer.angle) / 2;
                                    // }
                                    // else {
                                    //     shim = -t.getHeight()/2 - t._textRenderer.height * Math.sin(t._textRenderer.angle) / 2;
                                    // }
                                    shim = -t.getHeight()/2;
                                    break;
                                default:
                                    shim = -t.getHeight()/2;
                                    break;
                            }
                        }
                        else {
                            shim = -t.getHeight()/2;
                        }
                        
                        var val = this.u2p(t.value) + shim + 'px';
                        t._elem.css('top', val);
                        t.pack();
                    }
                }
                if (lshow) {
                    var h = this._label._elem.outerHeight(true);
                    this._label._elem.css('top', offmax - pixellength/2 - h/2 + 'px');
                    if (this.name == 'yaxis') {
                        this._label._elem.css('left', '0px');
                    }
                    else {
                        this._label._elem.css('right', '0px');
                    }   
                    this._label.pack();
                }
            }
        }

        ticks = null;
    };


    /**
    * The following code was generaously given to me a while back by Scott Prahl.
    * He did a good job at computing axes min, max and number of ticks for the 
    * case where the user has not set any scale related parameters (tickInterval,
    * numberTicks, min or max).  I had ignored this use case for a long time,
    * focusing on the more difficult case where user has set some option controlling
    * tick generation.  Anyway, about time I got this into jqPlot.
    * Thanks Scott!!
    */
    
    /**
    * Copyright (c) 2010 Scott Prahl
    * The next three routines are currently available for use in all personal 
    * or commercial projects under both the MIT and GPL version 2.0 licenses. 
    * This means that you can choose the license that best suits your project 
    * and use it accordingly. 
    */

    // A good format string depends on the interval. If the interval is greater 
    // than 1 then there is no need to show any decimal digits. If it is < 1.0, then
    // use the magnitude of the interval to determine the number of digits to show.
    function bestFormatString (interval)
    {
        var fstr;
        interval = Math.abs(interval);
        if (interval >= 10) {
            fstr = '%d';
        }

        else if (interval > 1) {
            if (interval === parseInt(interval, 10)) {
                fstr = '%d';
            }
            else {
                fstr = '%.1f';
            }
        }

        else {
            var expv = -Math.floor(Math.log(interval)/Math.LN10);
            fstr = '%.' + expv + 'f';
        }
        
        return fstr; 
    }

    var _factors = [0.1, 0.2, 0.3, 0.4, 0.5, 0.8, 1, 2, 3, 4, 5];

    var _getLowerFactor = function(f) {
        var i = _factors.indexOf(f);
        if (i > 0) {
            return _factors[i-1];
        }
        else {
            return _factors[_factors.length - 1] / 100;
        }
    };

    var _getHigherFactor = function(f) {
        var i = _factors.indexOf(f);
        if (i < _factors.length-1) {
            return _factors[i+1];
        }
        else {
            return _factors[0] * 100;
        }
    };

    // Given a fixed minimum and maximum and a target number ot ticks
    // figure out the best interval and 
    // return min, max, number ticks, format string and tick interval
    function bestConstrainedInterval(min, max, nttarget) {
        // run through possible number to ticks and see which interval is best
        var low = Math.floor(nttarget/2);
        var hi = Math.ceil(nttarget*1.5);
        var badness = Number.MAX_VALUE;
        var r = (max - min);
        var temp;
        var sd;
        var bestNT;
        var gsf = $.jqplot.getSignificantFigures;
        var fsd;
        var fs;
        var currentNT;
        var bestPrec;

        for (var i=0, l=hi-low+1; i<l; i++) {
            currentNT = low + i;
            temp = r/(currentNT-1);
            sd = gsf(temp);

            temp = Math.abs(nttarget - currentNT) + sd.digitsRight;
            if (temp < badness) {
                badness = temp;
                bestNT = currentNT;
                bestPrec = sd.digitsRight;
            }
            else if (temp === badness) {
                // let nicer ticks trump number ot ticks
                if (sd.digitsRight < bestPrec) {
                    bestNT = currentNT;
                    bestPrec = sd.digitsRight;
                }
            }

        }

        fsd = Math.max(bestPrec, Math.max(gsf(min).digitsRight, gsf(max).digitsRight));
        if (fsd === 0) {
            fs = '%d';
        }
        else {
            fs = '%.' + fsd + 'f';
        }
        temp = r / (bestNT - 1);
        // min, max, number ticks, format string, tick interval
        return [min, max, bestNT, fs, temp];
    }

    // This will return an interval of form 2 * 10^n, 5 * 10^n or 10 * 10^n
    // it is based soley on the range and number of ticks.  So if user specifies
    // number of ticks, use this.
    function bestInterval(range, numberTicks) {
        numberTicks = numberTicks || 7;
        var minimum = range / (numberTicks - 1);
        var magnitude = Math.pow(10, Math.floor(Math.log(minimum) / Math.LN10));
        var residual = minimum / magnitude;
        var interval;
        // "nicest" ranges are 1, 2, 5 or powers of these.
        // for magnitudes below 1, only allow these. 
        if (magnitude < 1) {
            if (residual > 5) {
                interval = 10 * magnitude;
            }
            else if (residual > 2) {
                interval = 5 * magnitude;
            }
            else if (residual > 1) {
                interval = 2 * magnitude;
            }
            else {
                interval = magnitude;
            }
        }
        // for large ranges (whole integers), allow intervals like 3, 4 or powers of these.
        // this helps a lot with poor choices for number of ticks. 
        else {
            if (residual > 5) {
                interval = 10 * magnitude;
            }
            else if (residual > 4) {
                interval = 5 * magnitude;
            }
            else if (residual > 3) {
                interval = 4 * magnitude;
            }
            else if (residual > 2) {
                interval = 3 * magnitude;
            }
            else if (residual > 1) {
                interval = 2 * magnitude;
            }
            else {
                interval = magnitude;
            }
        }

        return interval;
    }

    // This will return an interval of form 2 * 10^n, 5 * 10^n or 10 * 10^n
    // it is based soley on the range of data, number of ticks must be computed later.
    function bestLinearInterval(range, scalefact) {
        scalefact = scalefact || 1;
        var expv = Math.floor(Math.log(range)/Math.LN10);
        var magnitude = Math.pow(10, expv);
        // 0 < f < 10
        var f = range / magnitude;
        var fact;
        // for large plots, scalefact will decrease f and increase number of ticks.
        // for small plots, scalefact will increase f and decrease number of ticks.
        f = f/scalefact;

        // for large plots, smaller interval, more ticks.
        if (f<=0.38) {
            fact = 0.1;
        }
        else if (f<=1.6) {
            fact = 0.2;
        }
        else if (f<=4.0) {
            fact = 0.5;
        }
        else if (f<=8.0) {
            fact = 1.0;
        }
        // for very small plots, larger interval, less ticks in number ticks
        else if (f<=16.0) {
            fact = 2;
        }
        else {
            fact = 5;
        } 

        return fact*magnitude; 
    }

    function bestLinearComponents(range, scalefact) {
        var expv = Math.floor(Math.log(range)/Math.LN10);
        var magnitude = Math.pow(10, expv);
        // 0 < f < 10
        var f = range / magnitude;
        var interval;
        var fact;
        // for large plots, scalefact will decrease f and increase number of ticks.
        // for small plots, scalefact will increase f and decrease number of ticks.
        f = f/scalefact;

        // for large plots, smaller interval, more ticks.
        if (f<=0.38) {
            fact = 0.1;
        }
        else if (f<=1.6) {
            fact = 0.2;
        }
        else if (f<=4.0) {
            fact = 0.5;
        }
        else if (f<=8.0) {
            fact = 1.0;
        }
        // for very small plots, larger interval, less ticks in number ticks
        else if (f<=16.0) {
            fact = 2;
        }
        // else if (f<=20.0) {
        //     fact = 3;
        // }
        // else if (f<=24.0) {
        //     fact = 4;
        // }
        else {
            fact = 5;
        } 

        interval = fact * magnitude;

        return [interval, fact, magnitude];
    }

    // Given the min and max for a dataset, return suitable endpoints
    // for the graphing, a good number for the number of ticks, and a
    // format string so that extraneous digits are not displayed.
    // returned is an array containing [min, max, nTicks, format]
    $.jqplot.LinearTickGenerator = function(axis_min, axis_max, scalefact, numberTicks, keepMin, keepMax) {
        // Set to preserve EITHER min OR max.
        // If min is preserved, max must be free.
        keepMin = (keepMin === null) ? false : keepMin;
        keepMax = (keepMax === null || keepMin) ? false : keepMax;
        // if endpoints are equal try to include zero otherwise include one
        if (axis_min === axis_max) {
            axis_max = (axis_max) ? 0 : 1;
        }

        scalefact = scalefact || 1.0;

        // make sure range is positive
        if (axis_max < axis_min) {
            var a = axis_max;
            axis_max = axis_min;
            axis_min = a;
        }

        var r = [];
        var ss = bestLinearInterval(axis_max - axis_min, scalefact);

        var gsf = $.jqplot.getSignificantFigures;
        
        if (numberTicks == null) {

            // Figure out the axis min, max and number of ticks
            // the min and max will be some multiple of the tick interval,
            // 1*10^n, 2*10^n or 5*10^n.  This gaurantees that, if the
            // axis min is negative, 0 will be a tick.
            if (!keepMin && !keepMax) {
                r[0] = Math.floor(axis_min / ss) * ss;  // min
                r[1] = Math.ceil(axis_max / ss) * ss;   // max
                r[2] = Math.round((r[1]-r[0])/ss+1.0);  // number of ticks
                r[3] = bestFormatString(ss);            // format string
                r[4] = ss;                              // tick Interval
            }

            else if (keepMin) {
                r[0] = axis_min;                                        // min
                r[2] = Math.ceil((axis_max - axis_min) / ss + 1.0);     // number of ticks
                r[1] = axis_min + (r[2] - 1) * ss;                      // max
                var digitsMin = gsf(axis_min).digitsRight;
                var digitsSS = gsf(ss).digitsRight;
                if (digitsMin < digitsSS) {
                    r[3] = bestFormatString(ss);                        // format string
                }
                else {
                    r[3] = '%.' + digitsMin + 'f';
                }
                r[4] = ss;                                              // tick Interval
            }

            else if (keepMax) {
                r[1] = axis_max;                                        // max
                r[2] = Math.ceil((axis_max - axis_min) / ss + 1.0);     // number of ticks
                r[0] = axis_max - (r[2] - 1) * ss;                      // min
                var digitsMax = gsf(axis_max).digitsRight;
                var digitsSS = gsf(ss).digitsRight;
                if (digitsMax < digitsSS) {
                    r[3] = bestFormatString(ss);                        // format string
                }
                else {
                    r[3] = '%.' + digitsMax + 'f';
                }
                r[4] = ss;                                              // tick Interval
            }
        }

        else {
            var tempr = [];

            // Figure out the axis min, max and number of ticks
            // the min and max will be some multiple of the tick interval,
            // 1*10^n, 2*10^n or 5*10^n.  This gaurantees that, if the
            // axis min is negative, 0 will be a tick.
            tempr[0] = Math.floor(axis_min / ss) * ss;  // min
            tempr[1] = Math.ceil(axis_max / ss) * ss;   // max
            tempr[2] = Math.round((tempr[1]-tempr[0])/ss+1.0);    // number of ticks
            tempr[3] = bestFormatString(ss);            // format string
            tempr[4] = ss;                              // tick Interval

            // first, see if we happen to get the right number of ticks
            if (tempr[2] === numberTicks) {
                r = tempr;
            }

            else {

                var newti = bestInterval(tempr[1] - tempr[0], numberTicks);

                r[0] = tempr[0];                        // min
                r[2] = numberTicks;                     // number of ticks
                r[4] = newti;                           // tick interval
                r[3] = bestFormatString(newti);         // format string
                r[1] = r[0] + (r[2] - 1) * r[4];        // max
            }
        }

        return r;
    };

    $.jqplot.LinearTickGenerator.bestLinearInterval = bestLinearInterval;
    $.jqplot.LinearTickGenerator.bestInterval = bestInterval;
    $.jqplot.LinearTickGenerator.bestLinearComponents = bestLinearComponents;
    $.jqplot.LinearTickGenerator.bestConstrainedInterval = bestConstrainedInterval;


    // class: $.jqplot.MarkerRenderer
    // The default jqPlot marker renderer, rendering the points on the line.
    $.jqplot.MarkerRenderer = function(options){
        // Group: Properties
        
        // prop: show
        // whether or not to show the marker.
        this.show = true;
        // prop: style
        // One of diamond, circle, square, x, plus, dash, filledDiamond, filledCircle, filledSquare
        this.style = 'filledCircle';
        // prop: lineWidth
        // size of the line for non-filled markers.
        this.lineWidth = 2;
        // prop: size
        // Size of the marker (diameter or circle, length of edge of square, etc.)
        this.size = 9.0;
        // prop: color
        // color of marker.  Will be set to color of series by default on init.
        this.color = '#666666';
        // prop: shadow
        // whether or not to draw a shadow on the line
        this.shadow = true;
        // prop: shadowAngle
        // Shadow angle in degrees
        this.shadowAngle = 45;
        // prop: shadowOffset
        // Shadow offset from line in pixels
        this.shadowOffset = 1;
        // prop: shadowDepth
        // Number of times shadow is stroked, each stroke offset shadowOffset from the last.
        this.shadowDepth = 3;
        // prop: shadowAlpha
        // Alpha channel transparency of shadow.  0 = transparent.
        this.shadowAlpha = '0.07';
        // prop: shadowRenderer
        // Renderer that will draws the shadows on the marker.
        this.shadowRenderer = new $.jqplot.ShadowRenderer();
        // prop: shapeRenderer
        // Renderer that will draw the marker.
        this.shapeRenderer = new $.jqplot.ShapeRenderer();
        
        $.extend(true, this, options);
    };
    
    $.jqplot.MarkerRenderer.prototype.init = function(options) {
        $.extend(true, this, options);
        var sdopt = {angle:this.shadowAngle, offset:this.shadowOffset, alpha:this.shadowAlpha, lineWidth:this.lineWidth, depth:this.shadowDepth, closePath:true};
        if (this.style.indexOf('filled') != -1) {
            sdopt.fill = true;
        }
        if (this.style.indexOf('ircle') != -1) {
            sdopt.isarc = true;
            sdopt.closePath = false;
        }
        this.shadowRenderer.init(sdopt);
        
        var shopt = {fill:false, isarc:false, strokeStyle:this.color, fillStyle:this.color, lineWidth:this.lineWidth, closePath:true};
        if (this.style.indexOf('filled') != -1) {
            shopt.fill = true;
        }
        if (this.style.indexOf('ircle') != -1) {
            shopt.isarc = true;
            shopt.closePath = false;
        }
        this.shapeRenderer.init(shopt);
    };
    
    $.jqplot.MarkerRenderer.prototype.drawDiamond = function(x, y, ctx, fill, options) {
        var stretch = 1.2;
        var dx = this.size/2/stretch;
        var dy = this.size/2*stretch;
        var points = [[x-dx, y], [x, y+dy], [x+dx, y], [x, y-dy]];
        if (this.shadow) {
            this.shadowRenderer.draw(ctx, points);
        }
        this.shapeRenderer.draw(ctx, points, options);
    };
    
    $.jqplot.MarkerRenderer.prototype.drawPlus = function(x, y, ctx, fill, options) {
        var stretch = 1.0;
        var dx = this.size/2*stretch;
        var dy = this.size/2*stretch;
        var points1 = [[x, y-dy], [x, y+dy]];
        var points2 = [[x+dx, y], [x-dx, y]];
        var opts = $.extend(true, {}, this.options, {closePath:false});
        if (this.shadow) {
            this.shadowRenderer.draw(ctx, points1, {closePath:false});
            this.shadowRenderer.draw(ctx, points2, {closePath:false});
        }
        this.shapeRenderer.draw(ctx, points1, opts);
        this.shapeRenderer.draw(ctx, points2, opts);
    };
    
    $.jqplot.MarkerRenderer.prototype.drawX = function(x, y, ctx, fill, options) {
        var stretch = 1.0;
        var dx = this.size/2*stretch;
        var dy = this.size/2*stretch;
        var opts = $.extend(true, {}, this.options, {closePath:false});
        var points1 = [[x-dx, y-dy], [x+dx, y+dy]];
        var points2 = [[x-dx, y+dy], [x+dx, y-dy]];
        if (this.shadow) {
            this.shadowRenderer.draw(ctx, points1, {closePath:false});
            this.shadowRenderer.draw(ctx, points2, {closePath:false});
        }
        this.shapeRenderer.draw(ctx, points1, opts);
        this.shapeRenderer.draw(ctx, points2, opts);
    };
    
    $.jqplot.MarkerRenderer.prototype.drawDash = function(x, y, ctx, fill, options) {
        var stretch = 1.0;
        var dx = this.size/2*stretch;
        var dy = this.size/2*stretch;
        var points = [[x-dx, y], [x+dx, y]];
        if (this.shadow) {
            this.shadowRenderer.draw(ctx, points);
        }
        this.shapeRenderer.draw(ctx, points, options);
    };
    
    $.jqplot.MarkerRenderer.prototype.drawLine = function(p1, p2, ctx, fill, options) {
        var points = [p1, p2];
        if (this.shadow) {
            this.shadowRenderer.draw(ctx, points);
        }
        this.shapeRenderer.draw(ctx, points, options);
    };
    
    $.jqplot.MarkerRenderer.prototype.drawSquare = function(x, y, ctx, fill, options) {
        var stretch = 1.0;
        var dx = this.size/2/stretch;
        var dy = this.size/2*stretch;
        var points = [[x-dx, y-dy], [x-dx, y+dy], [x+dx, y+dy], [x+dx, y-dy]];
        if (this.shadow) {
            this.shadowRenderer.draw(ctx, points);
        }
        this.shapeRenderer.draw(ctx, points, options);
    };
    
    $.jqplot.MarkerRenderer.prototype.drawCircle = function(x, y, ctx, fill, options) {
        var radius = this.size/2;
        var end = 2*Math.PI;
        var points = [x, y, radius, 0, end, true];
        if (this.shadow) {
            this.shadowRenderer.draw(ctx, points);
        }
        this.shapeRenderer.draw(ctx, points, options);
    };
    
    $.jqplot.MarkerRenderer.prototype.draw = function(x, y, ctx, options) {
        options = options || {};
        // hack here b/c shape renderer uses canvas based color style options
        // and marker uses css style names.
        if (options.show == null || options.show != false) {
            if (options.color && !options.fillStyle) {
                options.fillStyle = options.color;
            }
            if (options.color && !options.strokeStyle) {
                options.strokeStyle = options.color;
            }
            switch (this.style) {
                case 'diamond':
                    this.drawDiamond(x,y,ctx, false, options);
                    break;
                case 'filledDiamond':
                    this.drawDiamond(x,y,ctx, true, options);
                    break;
                case 'circle':
                    this.drawCircle(x,y,ctx, false, options);
                    break;
                case 'filledCircle':
                    this.drawCircle(x,y,ctx, true, options);
                    break;
                case 'square':
                    this.drawSquare(x,y,ctx, false, options);
                    break;
                case 'filledSquare':
                    this.drawSquare(x,y,ctx, true, options);
                    break;
                case 'x':
                    this.drawX(x,y,ctx, true, options);
                    break;
                case 'plus':
                    this.drawPlus(x,y,ctx, true, options);
                    break;
                case 'dash':
                    this.drawDash(x,y,ctx, true, options);
                    break;
                case 'line':
                    this.drawLine(x, y, ctx, false, options);
                    break;
                default:
                    this.drawDiamond(x,y,ctx, false, options);
                    break;
            }
        }
    };
    
    // class: $.jqplot.shadowRenderer
    // The default jqPlot shadow renderer, rendering shadows behind shapes.
    $.jqplot.ShadowRenderer = function(options){ 
        // Group: Properties
        
        // prop: angle
        // Angle of the shadow in degrees.  Measured counter-clockwise from the x axis.
        this.angle = 45;
        // prop: offset
        // Pixel offset at the given shadow angle of each shadow stroke from the last stroke.
        this.offset = 1;
        // prop: alpha
        // alpha transparency of shadow stroke.
        this.alpha = 0.07;
        // prop: lineWidth
        // width of the shadow line stroke.
        this.lineWidth = 1.5;
        // prop: lineJoin
        // How line segments of the shadow are joined.
        this.lineJoin = 'miter';
        // prop: lineCap
        // how ends of the shadow line are rendered.
        this.lineCap = 'round';
        // prop; closePath
        // whether line path segment is closed upon itself.
        this.closePath = false;
        // prop: fill
        // whether to fill the shape.
        this.fill = false;
        // prop: depth
        // how many times the shadow is stroked.  Each stroke will be offset by offset at angle degrees.
        this.depth = 3;
        this.strokeStyle = 'rgba(0,0,0,0.1)';
        // prop: isarc
        // whether the shadow is an arc or not.
        this.isarc = false;
        
        $.extend(true, this, options);
    };
    
    $.jqplot.ShadowRenderer.prototype.init = function(options) {
        $.extend(true, this, options);
    };
    
    // function: draw
    // draws an transparent black (i.e. gray) shadow.
    //
    // ctx - canvas drawing context
    // points - array of points or [x, y, radius, start angle (rad), end angle (rad)]
    $.jqplot.ShadowRenderer.prototype.draw = function(ctx, points, options) {
        ctx.save();
        var opts = (options != null) ? options : {};
        var fill = (opts.fill != null) ? opts.fill : this.fill;
        var fillRect = (opts.fillRect != null) ? opts.fillRect : this.fillRect;
        var closePath = (opts.closePath != null) ? opts.closePath : this.closePath;
        var offset = (opts.offset != null) ? opts.offset : this.offset;
        var alpha = (opts.alpha != null) ? opts.alpha : this.alpha;
        var depth = (opts.depth != null) ? opts.depth : this.depth;
        var isarc = (opts.isarc != null) ? opts.isarc : this.isarc;
        var linePattern = (opts.linePattern != null) ? opts.linePattern : this.linePattern;
        ctx.lineWidth = (opts.lineWidth != null) ? opts.lineWidth : this.lineWidth;
        ctx.lineJoin = (opts.lineJoin != null) ? opts.lineJoin : this.lineJoin;
        ctx.lineCap = (opts.lineCap != null) ? opts.lineCap : this.lineCap;
        ctx.strokeStyle = opts.strokeStyle || this.strokeStyle || 'rgba(0,0,0,'+alpha+')';
        ctx.fillStyle = opts.fillStyle || this.fillStyle || 'rgba(0,0,0,'+alpha+')';
        for (var j=0; j<depth; j++) {
            var ctxPattern = $.jqplot.LinePattern(ctx, linePattern);
            ctx.translate(Math.cos(this.angle*Math.PI/180)*offset, Math.sin(this.angle*Math.PI/180)*offset);
            ctxPattern.beginPath();
            if (isarc) {
                ctx.arc(points[0], points[1], points[2], points[3], points[4], true);                
            }
            else if (fillRect) {
                if (fillRect) {
                    ctx.fillRect(points[0], points[1], points[2], points[3]);
                }
            }
            else if (points && points.length){
                var move = true;
                for (var i=0; i<points.length; i++) {
                    // skip to the first non-null point and move to it.
                    if (points[i][0] != null && points[i][1] != null) {
                        if (move) {
                            ctxPattern.moveTo(points[i][0], points[i][1]);
                            move = false;
                        }
                        else {
                            ctxPattern.lineTo(points[i][0], points[i][1]);
                        }
                    }
                    else {
                        move = true;
                    }
                }
                
            }
            if (closePath) {
                ctxPattern.closePath();
            }
            if (fill) {
                ctx.fill();
            }
            else {
                ctx.stroke();
            }
        }
        ctx.restore();
    };
    
    // class: $.jqplot.shapeRenderer
    // The default jqPlot shape renderer.  Given a set of points will
    // plot them and either stroke a line (fill = false) or fill them (fill = true).
    // If a filled shape is desired, closePath = true must also be set to close
    // the shape.
    $.jqplot.ShapeRenderer = function(options){
        
        this.lineWidth = 1.5;
        // prop: linePattern
        // line pattern 'dashed', 'dotted', 'solid', some combination
        // of '-' and '.' characters such as '.-.' or a numerical array like 
        // [draw, skip, draw, skip, ...] such as [1, 10] to draw a dotted line, 
        // [1, 10, 20, 10] to draw a dot-dash line, and so on.
        this.linePattern = 'solid';
        // prop: lineJoin
        // How line segments of the shadow are joined.
        this.lineJoin = 'miter';
        // prop: lineCap
        // how ends of the shadow line are rendered.
        this.lineCap = 'round';
        // prop; closePath
        // whether line path segment is closed upon itself.
        this.closePath = false;
        // prop: fill
        // whether to fill the shape.
        this.fill = false;
        // prop: isarc
        // whether the shadow is an arc or not.
        this.isarc = false;
        // prop: fillRect
        // true to draw shape as a filled rectangle.
        this.fillRect = false;
        // prop: strokeRect
        // true to draw shape as a stroked rectangle.
        this.strokeRect = false;
        // prop: clearRect
        // true to cear a rectangle.
        this.clearRect = false;
        // prop: strokeStyle
        // css color spec for the stoke style
        this.strokeStyle = '#999999';
        // prop: fillStyle
        // css color spec for the fill style.
        this.fillStyle = '#999999'; 
        
        $.extend(true, this, options);
    };
    
    $.jqplot.ShapeRenderer.prototype.init = function(options) {
        $.extend(true, this, options);
    };
    
    // function: draw
    // draws the shape.
    //
    // ctx - canvas drawing context
    // points - array of points for shapes or 
    // [x, y, width, height] for rectangles or
    // [x, y, radius, start angle (rad), end angle (rad)] for circles and arcs.
    $.jqplot.ShapeRenderer.prototype.draw = function(ctx, points, options) {
        ctx.save();
        var opts = (options != null) ? options : {};
        var fill = (opts.fill != null) ? opts.fill : this.fill;
        var closePath = (opts.closePath != null) ? opts.closePath : this.closePath;
        var fillRect = (opts.fillRect != null) ? opts.fillRect : this.fillRect;
        var strokeRect = (opts.strokeRect != null) ? opts.strokeRect : this.strokeRect;
        var clearRect = (opts.clearRect != null) ? opts.clearRect : this.clearRect;
        var isarc = (opts.isarc != null) ? opts.isarc : this.isarc;
        var linePattern = (opts.linePattern != null) ? opts.linePattern : this.linePattern;
        var ctxPattern = $.jqplot.LinePattern(ctx, linePattern);
        ctx.lineWidth = opts.lineWidth || this.lineWidth;
        ctx.lineJoin = opts.lineJoin || this.lineJoin;
        ctx.lineCap = opts.lineCap || this.lineCap;
        ctx.strokeStyle = (opts.strokeStyle || opts.color) || this.strokeStyle;
        ctx.fillStyle = opts.fillStyle || this.fillStyle;
        ctx.beginPath();
        if (isarc) {
            ctx.arc(points[0], points[1], points[2], points[3], points[4], true);   
            if (closePath) {
                ctx.closePath();
            }
            if (fill) {
                ctx.fill();
            }
            else {
                ctx.stroke();
            }
            ctx.restore();
            return;
        }
        else if (clearRect) {
            ctx.clearRect(points[0], points[1], points[2], points[3]);
            ctx.restore();
            return;
        }
        else if (fillRect || strokeRect) {
            if (fillRect) {
                ctx.fillRect(points[0], points[1], points[2], points[3]);
            }
            if (strokeRect) {
                ctx.strokeRect(points[0], points[1], points[2], points[3]);
                ctx.restore();
                return;
            }
        }
        else if (points && points.length){
            var move = true;
            for (var i=0; i<points.length; i++) {
                // skip to the first non-null point and move to it.
                if (points[i][0] != null && points[i][1] != null) {
                    if (move) {
                        ctxPattern.moveTo(points[i][0], points[i][1]);
                        move = false;
                    }
                    else {
                        ctxPattern.lineTo(points[i][0], points[i][1]);
                    }
                }
                else {
                    move = true;
                }
            }
            if (closePath) {
                ctxPattern.closePath();
            }
            if (fill) {
                ctx.fill();
            }
            else {
                ctx.stroke();
            }
        }
        ctx.restore();
    };
    
    // class $.jqplot.TableLegendRenderer
    // The default legend renderer for jqPlot.
    $.jqplot.TableLegendRenderer = function(){
        //
    };
    
    $.jqplot.TableLegendRenderer.prototype.init = function(options) {
        $.extend(true, this, options);
    };
        
    $.jqplot.TableLegendRenderer.prototype.addrow = function (label, color, pad, reverse) {
        var rs = (pad) ? this.rowSpacing+'px' : '0px';
        var tr;
        var td;
        var elem;
        var div0;
        var div1;
        elem = document.createElement('tr');
        tr = $(elem);
        tr.addClass('jqplot-table-legend');
        elem = null;

        if (reverse){
            tr.prependTo(this._elem);
        }

        else{
            tr.appendTo(this._elem);
        }

        if (this.showSwatches) {
            td = $(document.createElement('td'));
            td.addClass('jqplot-table-legend jqplot-table-legend-swatch');
            td.css({textAlign: 'center', paddingTop: rs});

            div0 = $(document.createElement('div'));
            div0.addClass('jqplot-table-legend-swatch-outline');
            div1 = $(document.createElement('div'));
            div1.addClass('jqplot-table-legend-swatch');
            div1.css({backgroundColor: color, borderColor: color});

            tr.append(td.append(div0.append(div1)));

            // $('<td class="jqplot-table-legend" style="text-align:center;padding-top:'+rs+';">'+
            // '<div><div class="jqplot-table-legend-swatch" style="background-color:'+color+';border-color:'+color+';"></div>'+
            // '</div></td>').appendTo(tr);
        }
        if (this.showLabels) {
            td = $(document.createElement('td'));
            td.addClass('jqplot-table-legend jqplot-table-legend-label');
            td.css('paddingTop', rs);
            tr.append(td);

            // elem = $('<td class="jqplot-table-legend" style="padding-top:'+rs+';"></td>');
            // elem.appendTo(tr);
            if (this.escapeHtml) {
                td.text(label);
            }
            else {
                td.html(label);
            }
        }
        td = null;
        div0 = null;
        div1 = null;
        tr = null;
        elem = null;
    };
    
    // called with scope of legend
    $.jqplot.TableLegendRenderer.prototype.draw = function() {
        if (this._elem) {
            this._elem.emptyForce();
            this._elem = null;
        }

        if (this.show) {
            var series = this._series;
            // make a table.  one line label per row.
            var elem = document.createElement('table');
            this._elem = $(elem);
            this._elem.addClass('jqplot-table-legend');

            var ss = {position:'absolute'};
            if (this.background) {
                ss['background'] = this.background;
            }
            if (this.border) {
                ss['border'] = this.border;
            }
            if (this.fontSize) {
                ss['fontSize'] = this.fontSize;
            }
            if (this.fontFamily) {
                ss['fontFamily'] = this.fontFamily;
            }
            if (this.textColor) {
                ss['textColor'] = this.textColor;
            }
            if (this.marginTop != null) {
                ss['marginTop'] = this.marginTop;
            }
            if (this.marginBottom != null) {
                ss['marginBottom'] = this.marginBottom;
            }
            if (this.marginLeft != null) {
                ss['marginLeft'] = this.marginLeft;
            }
            if (this.marginRight != null) {
                ss['marginRight'] = this.marginRight;
            }
            
        
            var pad = false, 
                reverse = false,
                s;
            for (var i = 0; i< series.length; i++) {
                s = series[i];
                if (s._stack || s.renderer.constructor == $.jqplot.BezierCurveRenderer){
                    reverse = true;
                }
                if (s.show && s.showLabel) {
                    var lt = this.labels[i] || s.label.toString();
                    if (lt) {
                        var color = s.color;
                        if (reverse && i < series.length - 1){
                            pad = true;
                        }
                        else if (reverse && i == series.length - 1){
                            pad = false;
                        }
                        this.renderer.addrow.call(this, lt, color, pad, reverse);
                        pad = true;
                    }
                    // let plugins add more rows to legend.  Used by trend line plugin.
                    for (var j=0; j<$.jqplot.addLegendRowHooks.length; j++) {
                        var item = $.jqplot.addLegendRowHooks[j].call(this, s);
                        if (item) {
                            this.renderer.addrow.call(this, item.label, item.color, pad);
                            pad = true;
                        } 
                    }
                    lt = null;
                }
            }
        }
        return this._elem;
    };
    
    $.jqplot.TableLegendRenderer.prototype.pack = function(offsets) {
        if (this.show) {       
            if (this.placement == 'insideGrid') {
                switch (this.location) {
                    case 'nw':
                        var a = offsets.left;
                        var b = offsets.top;
                        this._elem.css('left', a);
                        this._elem.css('top', b);
                        break;
                    case 'n':
                        var a = (offsets.left + (this._plotDimensions.width - offsets.right))/2 - this.getWidth()/2;
                        var b = offsets.top;
                        this._elem.css('left', a);
                        this._elem.css('top', b);
                        break;
                    case 'ne':
                        var a = offsets.right;
                        var b = offsets.top;
                        this._elem.css({right:a, top:b});
                        break;
                    case 'e':
                        var a = offsets.right;
                        var b = (offsets.top + (this._plotDimensions.height - offsets.bottom))/2 - this.getHeight()/2;
                        this._elem.css({right:a, top:b});
                        break;
                    case 'se':
                        var a = offsets.right;
                        var b = offsets.bottom;
                        this._elem.css({right:a, bottom:b});
                        break;
                    case 's':
                        var a = (offsets.left + (this._plotDimensions.width - offsets.right))/2 - this.getWidth()/2;
                        var b = offsets.bottom;
                        this._elem.css({left:a, bottom:b});
                        break;
                    case 'sw':
                        var a = offsets.left;
                        var b = offsets.bottom;
                        this._elem.css({left:a, bottom:b});
                        break;
                    case 'w':
                        var a = offsets.left;
                        var b = (offsets.top + (this._plotDimensions.height - offsets.bottom))/2 - this.getHeight()/2;
                        this._elem.css({left:a, top:b});
                        break;
                    default:  // same as 'se'
                        var a = offsets.right;
                        var b = offsets.bottom;
                        this._elem.css({right:a, bottom:b});
                        break;
                }
                
            }
            else if (this.placement == 'outside'){
                switch (this.location) {
                    case 'nw':
                        var a = this._plotDimensions.width - offsets.left;
                        var b = offsets.top;
                        this._elem.css('right', a);
                        this._elem.css('top', b);
                        break;
                    case 'n':
                        var a = (offsets.left + (this._plotDimensions.width - offsets.right))/2 - this.getWidth()/2;
                        var b = this._plotDimensions.height - offsets.top;
                        this._elem.css('left', a);
                        this._elem.css('bottom', b);
                        break;
                    case 'ne':
                        var a = this._plotDimensions.width - offsets.right;
                        var b = offsets.top;
                        this._elem.css({left:a, top:b});
                        break;
                    case 'e':
                        var a = this._plotDimensions.width - offsets.right;
                        var b = (offsets.top + (this._plotDimensions.height - offsets.bottom))/2 - this.getHeight()/2;
                        this._elem.css({left:a, top:b});
                        break;
                    case 'se':
                        var a = this._plotDimensions.width - offsets.right;
                        var b = offsets.bottom;
                        this._elem.css({left:a, bottom:b});
                        break;
                    case 's':
                        var a = (offsets.left + (this._plotDimensions.width - offsets.right))/2 - this.getWidth()/2;
                        var b = this._plotDimensions.height - offsets.bottom;
                        this._elem.css({left:a, top:b});
                        break;
                    case 'sw':
                        var a = this._plotDimensions.width - offsets.left;
                        var b = offsets.bottom;
                        this._elem.css({right:a, bottom:b});
                        break;
                    case 'w':
                        var a = this._plotDimensions.width - offsets.left;
                        var b = (offsets.top + (this._plotDimensions.height - offsets.bottom))/2 - this.getHeight()/2;
                        this._elem.css({right:a, top:b});
                        break;
                    default:  // same as 'se'
                        var a = offsets.right;
                        var b = offsets.bottom;
                        this._elem.css({right:a, bottom:b});
                        break;
                }
            }
            else {
                switch (this.location) {
                    case 'nw':
                        this._elem.css({left:0, top:offsets.top});
                        break;
                    case 'n':
                        var a = (offsets.left + (this._plotDimensions.width - offsets.right))/2 - this.getWidth()/2;
                        this._elem.css({left: a, top:offsets.top});
                        break;
                    case 'ne':
                        this._elem.css({right:0, top:offsets.top});
                        break;
                    case 'e':
                        var b = (offsets.top + (this._plotDimensions.height - offsets.bottom))/2 - this.getHeight()/2;
                        this._elem.css({right:offsets.right, top:b});
                        break;
                    case 'se':
                        this._elem.css({right:offsets.right, bottom:offsets.bottom});
                        break;
                    case 's':
                        var a = (offsets.left + (this._plotDimensions.width - offsets.right))/2 - this.getWidth()/2;
                        this._elem.css({left: a, bottom:offsets.bottom});
                        break;
                    case 'sw':
                        this._elem.css({left:offsets.left, bottom:offsets.bottom});
                        break;
                    case 'w':
                        var b = (offsets.top + (this._plotDimensions.height - offsets.bottom))/2 - this.getHeight()/2;
                        this._elem.css({left:offsets.left, top:b});
                        break;
                    default:  // same as 'se'
                        this._elem.css({right:offsets.right, bottom:offsets.bottom});
                        break;
                }
            }
        } 
    };

    /**
     * Class: $.jqplot.ThemeEngine
     * Theme Engine provides a programatic way to change some of the  more
     * common jqplot styling options such as fonts, colors and grid options.
     * A theme engine instance is created with each plot.  The theme engine
     * manages a collection of themes which can be modified, added to, or 
     * applied to the plot.
     * 
     * The themeEngine class is not instantiated directly.
     * When a plot is initialized, the current plot options are scanned
     * an a default theme named "Default" is created.  This theme is
     * used as the basis for other themes added to the theme engine and
     * is always available.
     * 
     * A theme is a simple javascript object with styling parameters for
     * various entities of the plot.  A theme has the form:
     * 
     * 
     * > {
     * >     _name:f "Default",
     * >     target: {
     * >         backgroundColor: "transparent"
     * >     },
     * >     legend: {
     * >         textColor: null,
     * >         fontFamily: null,
     * >         fontSize: null,
     * >         border: null,
     * >         background: null
     * >     },
     * >     title: {
     * >         textColor: "rgb(102, 102, 102)",
     * >         fontFamily: "'Trebuchet MS',Arial,Helvetica,sans-serif",
     * >         fontSize: "19.2px",
     * >         textAlign: "center"
     * >     },
     * >     seriesStyles: {},
     * >     series: [{
     * >         color: "#4bb2c5",
     * >         lineWidth: 2.5,
     * >         linePattern: "solid",
     * >         shadow: true,
     * >         fillColor: "#4bb2c5",
     * >         showMarker: true,
     * >         markerOptions: {
     * >             color: "#4bb2c5",
     * >             show: true,
     * >             style: 'filledCircle',
     * >             lineWidth: 1.5,
     * >             size: 4,
     * >             shadow: true
     * >         }
     * >     }],
     * >     grid: {
     * >         drawGridlines: true,
     * >         gridLineColor: "#cccccc",
     * >         gridLineWidth: 1,
     * >         backgroundColor: "#fffdf6",
     * >         borderColor: "#999999",
     * >         borderWidth: 2,
     * >         shadow: true
     * >     },
     * >     axesStyles: {
     * >         label: {},
     * >         ticks: {}
     * >     },
     * >     axes: {
     * >         xaxis: {
     * >             borderColor: "#999999",
     * >             borderWidth: 2,
     * >             ticks: {
     * >                 show: true,
     * >                 showGridline: true,
     * >                 showLabel: true,
     * >                 showMark: true,
     * >                 size: 4,
     * >                 textColor: "",
     * >                 whiteSpace: "nowrap",
     * >                 fontSize: "12px",
     * >                 fontFamily: "'Trebuchet MS',Arial,Helvetica,sans-serif"
     * >             },
     * >             label: {
     * >                 textColor: "rgb(102, 102, 102)",
     * >                 whiteSpace: "normal",
     * >                 fontSize: "14.6667px",
     * >                 fontFamily: "'Trebuchet MS',Arial,Helvetica,sans-serif",
     * >                 fontWeight: "400"
     * >             }
     * >         },
     * >         yaxis: {
     * >             borderColor: "#999999",
     * >             borderWidth: 2,
     * >             ticks: {
     * >                 show: true,
     * >                 showGridline: true,
     * >                 showLabel: true,
     * >                 showMark: true,
     * >                 size: 4,
     * >                 textColor: "",
     * >                 whiteSpace: "nowrap",
     * >                 fontSize: "12px",
     * >                 fontFamily: "'Trebuchet MS',Arial,Helvetica,sans-serif"
     * >             },
     * >             label: {
     * >                 textColor: null,
     * >                 whiteSpace: null,
     * >                 fontSize: null,
     * >                 fontFamily: null,
     * >                 fontWeight: null
     * >             }
     * >         },
     * >         x2axis: {...
     * >         },
     * >         ...
     * >         y9axis: {...
     * >         }
     * >     }
     * > }
     * 
     * "seriesStyles" is a style object that will be applied to all series in the plot.
     * It will forcibly override any styles applied on the individual series.  "axesStyles" is
     * a style object that will be applied to all axes in the plot.  It will also forcibly
     * override any styles on the individual axes.
     * 
     * The example shown above has series options for a line series.  Options for other
     * series types are shown below:
     * 
     * Bar Series:
     * 
     * > {
     * >     color: "#4bb2c5",
     * >     seriesColors: ["#4bb2c5", "#EAA228", "#c5b47f", "#579575", "#839557", "#958c12", "#953579", "#4b5de4", "#d8b83f", "#ff5800", "#0085cc", "#c747a3", "#cddf54", "#FBD178", "#26B4E3", "#bd70c7"],
     * >     lineWidth: 2.5,
     * >     shadow: true,
     * >     barPadding: 2,
     * >     barMargin: 10,
     * >     barWidth: 15.09375,
     * >     highlightColors: ["rgb(129,201,214)", "rgb(129,201,214)", "rgb(129,201,214)", "rgb(129,201,214)", "rgb(129,201,214)", "rgb(129,201,214)", "rgb(129,201,214)", "rgb(129,201,214)"]
     * > }
     * 
     * Pie Series:
     * 
     * > {
     * >     seriesColors: ["#4bb2c5", "#EAA228", "#c5b47f", "#579575", "#839557", "#958c12", "#953579", "#4b5de4", "#d8b83f", "#ff5800", "#0085cc", "#c747a3", "#cddf54", "#FBD178", "#26B4E3", "#bd70c7"],
     * >     padding: 20,
     * >     sliceMargin: 0,
     * >     fill: true,
     * >     shadow: true,
     * >     startAngle: 0,
     * >     lineWidth: 2.5,
     * >     highlightColors: ["rgb(129,201,214)", "rgb(240,189,104)", "rgb(214,202,165)", "rgb(137,180,158)", "rgb(168,180,137)", "rgb(180,174,89)", "rgb(180,113,161)", "rgb(129,141,236)", "rgb(227,205,120)", "rgb(255,138,76)", "rgb(76,169,219)", "rgb(215,126,190)", "rgb(220,232,135)", "rgb(200,167,96)", "rgb(103,202,235)", "rgb(208,154,215)"]
     * > }
     * 
     * Funnel Series:
     * 
     * > {
     * >     color: "#4bb2c5",
     * >     lineWidth: 2,
     * >     shadow: true,
     * >     padding: {
     * >         top: 20,
     * >         right: 20,
     * >         bottom: 20,
     * >         left: 20
     * >     },
     * >     sectionMargin: 6,
     * >     seriesColors: ["#4bb2c5", "#EAA228", "#c5b47f", "#579575", "#839557", "#958c12", "#953579", "#4b5de4", "#d8b83f", "#ff5800", "#0085cc", "#c747a3", "#cddf54", "#FBD178", "#26B4E3", "#bd70c7"],
     * >     highlightColors: ["rgb(147,208,220)", "rgb(242,199,126)", "rgb(220,210,178)", "rgb(154,191,172)", "rgb(180,191,154)", "rgb(191,186,112)", "rgb(191,133,174)", "rgb(147,157,238)", "rgb(231,212,139)", "rgb(255,154,102)", "rgb(102,181,224)", "rgb(221,144,199)", "rgb(225,235,152)", "rgb(200,167,96)", "rgb(124,210,238)", "rgb(215,169,221)"]
     * > }
     * 
     */
    $.jqplot.ThemeEngine = function(){
        // Group: Properties
        //
        // prop: themes
        // hash of themes managed by the theme engine.  
        // Indexed by theme name.
        this.themes = {};
        // prop: activeTheme
        // Pointer to currently active theme
        this.activeTheme=null;
        
    };
    
    // called with scope of plot
    $.jqplot.ThemeEngine.prototype.init = function() {
        // get the Default theme from the current plot settings.
        var th = new $.jqplot.Theme({_name:'Default'});
        var n, i, nn;
        
        for (n in th.target) {
            if (n == "textColor") {
                th.target[n] = this.target.css('color');
            }
            else {
                th.target[n] = this.target.css(n);
            }
        }
        
        if (this.title.show && this.title._elem) {
            for (n in th.title) {
                if (n == "textColor") {
                    th.title[n] = this.title._elem.css('color');
                }
                else {
                    th.title[n] = this.title._elem.css(n);
                }
            }
        }
        
        for (n in th.grid) {
            th.grid[n] = this.grid[n];
        }
        if (th.grid.backgroundColor == null && this.grid.background != null) {
            th.grid.backgroundColor = this.grid.background;
        }
        if (this.legend.show && this.legend._elem) {
            for (n in th.legend) {
                if (n == 'textColor') {
                    th.legend[n] = this.legend._elem.css('color');
                }
                else {
                    th.legend[n] = this.legend._elem.css(n);
                }
            }
        }
        var s;
        
        for (i=0; i<this.series.length; i++) {
            s = this.series[i];
            if (s.renderer.constructor == $.jqplot.LineRenderer) {
                th.series.push(new LineSeriesProperties());
            }
            else if (s.renderer.constructor == $.jqplot.BarRenderer) {
                th.series.push(new BarSeriesProperties());
            }
            else if (s.renderer.constructor == $.jqplot.PieRenderer) {
                th.series.push(new PieSeriesProperties());
            }
            else if (s.renderer.constructor == $.jqplot.DonutRenderer) {
                th.series.push(new DonutSeriesProperties());
            }
            else if (s.renderer.constructor == $.jqplot.FunnelRenderer) {
                th.series.push(new FunnelSeriesProperties());
            }
            else if (s.renderer.constructor == $.jqplot.MeterGaugeRenderer) {
                th.series.push(new MeterSeriesProperties());
            }
            else {
                th.series.push({});
            }
            for (n in th.series[i]) {
                th.series[i][n] = s[n];
            }
        }
        var a, ax;
        for (n in this.axes) {
            ax = this.axes[n];
            a = th.axes[n] = new AxisProperties();
            a.borderColor = ax.borderColor;
            a.borderWidth = ax.borderWidth;
            if (ax._ticks && ax._ticks[0]) {
                for (nn in a.ticks) {
                    if (ax._ticks[0].hasOwnProperty(nn)) {
                        a.ticks[nn] = ax._ticks[0][nn];
                    }
                    else if (ax._ticks[0]._elem){
                        a.ticks[nn] = ax._ticks[0]._elem.css(nn);
                    }
                }
            }
            if (ax._label && ax._label.show) {
                for (nn in a.label) {
                    // a.label[nn] = ax._label._elem.css(nn);
                    if (ax._label[nn]) {
                        a.label[nn] = ax._label[nn];
                    }
                    else if (ax._label._elem){
                        if (nn == 'textColor') {
                            a.label[nn] = ax._label._elem.css('color');
                        }
                        else {
                            a.label[nn] = ax._label._elem.css(nn);
                        }
                    }
                }
            }
        }
        this.themeEngine._add(th);
        this.themeEngine.activeTheme  = this.themeEngine.themes[th._name];
    };
    /**
     * Group: methods
     * 
     * method: get
     * 
     * Get and return the named theme or the active theme if no name given.
     * 
     * parameter:
     * 
     * name - name of theme to get.
     * 
     * returns:
     * 
     * Theme instance of given name.
     */   
    $.jqplot.ThemeEngine.prototype.get = function(name) {
        if (!name) {
            // return the active theme
            return this.activeTheme;
        }
        else {
            return this.themes[name];
        }
    };
    
    function numericalOrder(a,b) { return a-b; }
    
    /**
     * method: getThemeNames
     * 
     * Return the list of theme names in this manager in alpha-numerical order.
     * 
     * parameter:
     * 
     * None
     * 
     * returns:
     * 
     * A the list of theme names in this manager in alpha-numerical order.
     */       
    $.jqplot.ThemeEngine.prototype.getThemeNames = function() {
        var tn = [];
        for (var n in this.themes) {
            tn.push(n);
        }
        return tn.sort(numericalOrder);
    };

    /**
     * method: getThemes
     * 
     * Return a list of themes in alpha-numerical order by name.
     * 
     * parameter:
     * 
     * None
     * 
     * returns:
     * 
     * A list of themes in alpha-numerical order by name.
     */ 
    $.jqplot.ThemeEngine.prototype.getThemes = function() {
        var tn = [];
        var themes = [];
        for (var n in this.themes) {
            tn.push(n);
        }
        tn.sort(numericalOrder);
        for (var i=0; i<tn.length; i++) {
            themes.push(this.themes[tn[i]]);
        }
        return themes;
    };
    
    $.jqplot.ThemeEngine.prototype.activate = function(plot, name) {
        // sometimes need to redraw whole plot.
        var redrawPlot = false;
        if (!name && this.activeTheme && this.activeTheme._name) {
            name = this.activeTheme._name;
        }
        if (!this.themes.hasOwnProperty(name)) {
            throw new Error("No theme of that name");
        }
        else {
            var th = this.themes[name];
            this.activeTheme = th;
            var val, checkBorderColor = false, checkBorderWidth = false;
            var arr = ['xaxis', 'x2axis', 'yaxis', 'y2axis'];
            
            for (i=0; i<arr.length; i++) {
                var ax = arr[i];
                if (th.axesStyles.borderColor != null) {
                    plot.axes[ax].borderColor = th.axesStyles.borderColor;
                }
                if (th.axesStyles.borderWidth != null) {
                    plot.axes[ax].borderWidth = th.axesStyles.borderWidth;
                }
            }
            
            for (var axname in plot.axes) {
                var axis = plot.axes[axname];
                if (axis.show) {
                    var thaxis = th.axes[axname] || {};
                    var thaxstyle = th.axesStyles;
                    var thax = $.jqplot.extend(true, {}, thaxis, thaxstyle);
                    val = (th.axesStyles.borderColor != null) ? th.axesStyles.borderColor : thax.borderColor;
                    if (thax.borderColor != null) {
                        axis.borderColor = thax.borderColor;
                        redrawPlot = true;
                    }
                    val = (th.axesStyles.borderWidth != null) ? th.axesStyles.borderWidth : thax.borderWidth;
                    if (thax.borderWidth != null) {
                        axis.borderWidth = thax.borderWidth;
                        redrawPlot = true;
                    }
                    if (axis._ticks && axis._ticks[0]) {
                        for (var nn in thax.ticks) {
                            // val = null;
                            // if (th.axesStyles.ticks && th.axesStyles.ticks[nn] != null) {
                            //     val = th.axesStyles.ticks[nn];
                            // }
                            // else if (thax.ticks[nn] != null){
                            //     val = thax.ticks[nn]
                            // }
                            val = thax.ticks[nn];
                            if (val != null) {
                                axis.tickOptions[nn] = val;
                                axis._ticks = [];
                                redrawPlot = true;
                            }
                        }
                    }
                    if (axis._label && axis._label.show) {
                        for (var nn in thax.label) {
                            // val = null;
                            // if (th.axesStyles.label && th.axesStyles.label[nn] != null) {
                            //     val = th.axesStyles.label[nn];
                            // }
                            // else if (thax.label && thax.label[nn] != null){
                            //     val = thax.label[nn]
                            // }
                            val = thax.label[nn];
                            if (val != null) {
                                axis.labelOptions[nn] = val;
                                redrawPlot = true;
                            }
                        }
                    }
                    
                }
            }            
            
            for (var n in th.grid) {
                if (th.grid[n] != null) {
                    plot.grid[n] = th.grid[n];
                }
            }
            if (!redrawPlot) {
                plot.grid.draw();
            }
            
            if (plot.legend.show) { 
                for (n in th.legend) {
                    if (th.legend[n] != null) {
                        plot.legend[n] = th.legend[n];
                    }
                }
            }
            if (plot.title.show) {
                for (n in th.title) {
                    if (th.title[n] != null) {
                        plot.title[n] = th.title[n];
                    }
                }
            }
            
            var i;
            for (i=0; i<th.series.length; i++) {
                var opts = {};
                var redrawSeries = false;
                for (n in th.series[i]) {
                    val = (th.seriesStyles[n] != null) ? th.seriesStyles[n] : th.series[i][n];
                    if (val != null) {
                        opts[n] = val;
                        if (n == 'color') {
                            plot.series[i].renderer.shapeRenderer.fillStyle = val;
                            plot.series[i].renderer.shapeRenderer.strokeStyle = val;
                            plot.series[i][n] = val;
                        }
                        else if ((n == 'lineWidth') || (n == 'linePattern')) {
                            plot.series[i].renderer.shapeRenderer[n] = val;
                            plot.series[i][n] = val;
                        }
                        else if (n == 'markerOptions') {
                            merge (plot.series[i].markerOptions, val);
                            merge (plot.series[i].markerRenderer, val);
                        }
                        else {
                            plot.series[i][n] = val;
                        }
                        redrawPlot = true;
                    }
                }
            }
            
            if (redrawPlot) {
                plot.target.empty();
                plot.draw();
            }
            
            for (n in th.target) {
                if (th.target[n] != null) {
                    plot.target.css(n, th.target[n]);
                }
            }
        }
        
    };
    
    $.jqplot.ThemeEngine.prototype._add = function(theme, name) {
        if (name) {
            theme._name = name;
        }
        if (!theme._name) {
            theme._name = Date.parse(new Date());
        }
        if (!this.themes.hasOwnProperty(theme._name)) {
            this.themes[theme._name] = theme;
        }
        else {
            throw new Error("jqplot.ThemeEngine Error: Theme already in use");
        }
    };
    
    // method remove
    // Delete the named theme, return true on success, false on failure.
    

    /**
     * method: remove
     * 
     * Remove the given theme from the themeEngine.
     * 
     * parameters:
     * 
     * name - name of the theme to remove.
     * 
     * returns:
     * 
     * true on success, false on failure.
     */
    $.jqplot.ThemeEngine.prototype.remove = function(name) {
        if (name == 'Default') {
            return false;
        }
        return delete this.themes[name];
    };

    /**
     * method: newTheme
     * 
     * Create a new theme based on the default theme, adding it the themeEngine.
     * 
     * parameters:
     * 
     * name - name of the new theme.
     * obj - optional object of styles to be applied to this new theme.
     * 
     * returns:
     * 
     * new Theme object.
     */
    $.jqplot.ThemeEngine.prototype.newTheme = function(name, obj) {
        if (typeof(name) == 'object') {
            obj = obj || name;
            name = null;
        }
        if (obj && obj._name) {
            name = obj._name;
        }
        else {
            name = name || Date.parse(new Date());
        }
        // var th = new $.jqplot.Theme(name);
        var th = this.copy(this.themes['Default']._name, name);
        $.jqplot.extend(th, obj);
        return th;
    };
    
    // function clone(obj) {
    //     return eval(obj.toSource());
    // }
    
    function clone(obj){
        if(obj == null || typeof(obj) != 'object'){
            return obj;
        }
    
        var temp = new obj.constructor();
        for(var key in obj){
            temp[key] = clone(obj[key]);
        }   
        return temp;
    }
    
    $.jqplot.clone = clone;
    
    function merge(obj1, obj2) {
        if (obj2 ==  null || typeof(obj2) != 'object') {
            return;
        }
        for (var key in obj2) {
            if (key == 'highlightColors') {
                obj1[key] = clone(obj2[key]);
            }
            if (obj2[key] != null && typeof(obj2[key]) == 'object') {
                if (!obj1.hasOwnProperty(key)) {
                    obj1[key] = {};
                }
                merge(obj1[key], obj2[key]);
            }
            else {
                obj1[key] = obj2[key];
            }
        }
    }
    
    $.jqplot.merge = merge;
    
        // Use the jQuery 1.3.2 extend function since behaviour in jQuery 1.4 seems problematic
    $.jqplot.extend = function() {
        // copy reference to target object
        var target = arguments[0] || {}, i = 1, length = arguments.length, deep = false, options;

        // Handle a deep copy situation
        if ( typeof target === "boolean" ) {
            deep = target;
            target = arguments[1] || {};
            // skip the boolean and the target
            i = 2;
        }

        // Handle case when target is a string or something (possible in deep copy)
        if ( typeof target !== "object" && !toString.call(target) === "[object Function]" ) {
            target = {};
        }

        for ( ; i < length; i++ ){
            // Only deal with non-null/undefined values
            if ( (options = arguments[ i ]) != null ) {
                // Extend the base object
                for ( var name in options ) {
                    var src = target[ name ], copy = options[ name ];

                    // Prevent never-ending loop
                    if ( target === copy ) {
                        continue;
                    }

                    // Recurse if we're merging object values
                    if ( deep && copy && typeof copy === "object" && !copy.nodeType ) {
                        target[ name ] = $.jqplot.extend( deep, 
                            // Never move original objects, clone them
                            src || ( copy.length != null ? [ ] : { } )
                        , copy );
                    }
                    // Don't bring in undefined values
                    else if ( copy !== undefined ) {
                        target[ name ] = copy;
                    }
                }
            }
        }
        // Return the modified object
        return target;
    };

    /**
     * method: rename
     * 
     * Rename a theme.
     * 
     * parameters:
     * 
     * oldName - current name of the theme.
     * newName - desired name of the theme.
     * 
     * returns:
     * 
     * new Theme object.
     */
    $.jqplot.ThemeEngine.prototype.rename = function (oldName, newName) {
        if (oldName == 'Default' || newName == 'Default') {
            throw new Error ("jqplot.ThemeEngine Error: Cannot rename from/to Default");
        }
        if (this.themes.hasOwnProperty(newName)) {
            throw new Error ("jqplot.ThemeEngine Error: New name already in use.");
        }
        else if (this.themes.hasOwnProperty(oldName)) {
            var th = this.copy (oldName, newName);
            this.remove(oldName);
            return th;
        }
        throw new Error("jqplot.ThemeEngine Error: Old name or new name invalid");
    };

    /**
     * method: copy
     * 
     * Create a copy of an existing theme in the themeEngine, adding it the themeEngine.
     * 
     * parameters:
     * 
     * sourceName - name of the existing theme.
     * targetName - name of the copy.
     * obj - optional object of style parameter to apply to the new theme.
     * 
     * returns:
     * 
     * new Theme object.
     */
    $.jqplot.ThemeEngine.prototype.copy = function (sourceName, targetName, obj) {
        if (targetName == 'Default') {
            throw new Error ("jqplot.ThemeEngine Error: Cannot copy over Default theme");
        }
        if (!this.themes.hasOwnProperty(sourceName)) {
            var s = "jqplot.ThemeEngine Error: Source name invalid";
            throw new Error(s);
        }
        if (this.themes.hasOwnProperty(targetName)) {
            var s = "jqplot.ThemeEngine Error: Target name invalid";
            throw new Error(s);
        }
        else {
            var th = clone(this.themes[sourceName]);
            th._name = targetName;
            $.jqplot.extend(true, th, obj);
            this._add(th);
            return th;
        }
    };
    
    
    $.jqplot.Theme = function(name, obj) {
        if (typeof(name) == 'object') {
            obj = obj || name;
            name = null;
        }
        name = name || Date.parse(new Date());
        this._name = name;
        this.target = {
            backgroundColor: null
        };
        this.legend = {
            textColor: null,
            fontFamily: null,
            fontSize: null,
            border: null,
            background: null
        };
        this.title = {
            textColor: null,
            fontFamily: null,
            fontSize: null,
            textAlign: null
        };
        this.seriesStyles = {};
        this.series = [];
        this.grid = {
            drawGridlines: null,
            gridLineColor: null,
            gridLineWidth: null,
            backgroundColor: null,
            borderColor: null,
            borderWidth: null,
            shadow: null
        };
        this.axesStyles = {label:{}, ticks:{}};
        this.axes = {};
        if (typeof(obj) == 'string') {
            this._name = obj;
        }
        else if(typeof(obj) == 'object') {
            $.jqplot.extend(true, this, obj);
        }
    };
    
    var AxisProperties = function() {
        this.borderColor = null;
        this.borderWidth = null;
        this.ticks = new AxisTicks();
        this.label = new AxisLabel();
    };
    
    var AxisTicks = function() {
        this.show = null;
        this.showGridline = null;
        this.showLabel = null;
        this.showMark = null;
        this.size = null;
        this.textColor = null;
        this.whiteSpace = null;
        this.fontSize = null;
        this.fontFamily = null;
    };
    
    var AxisLabel = function() {
        this.textColor = null;
        this.whiteSpace = null;
        this.fontSize = null;
        this.fontFamily = null;
        this.fontWeight = null;
    };
    
    var LineSeriesProperties = function() {
        this.color=null;
        this.lineWidth=null;
        this.linePattern=null;
        this.shadow=null;
        this.fillColor=null;
        this.showMarker=null;
        this.markerOptions = new MarkerOptions();
    };
    
    var MarkerOptions = function() {
        this.show = null;
        this.style = null;
        this.lineWidth = null;
        this.size = null;
        this.color = null;
        this.shadow = null;
    };
    
    var BarSeriesProperties = function() {
        this.color=null;
        this.seriesColors=null;
        this.lineWidth=null;
        this.shadow=null;
        this.barPadding=null;
        this.barMargin=null;
        this.barWidth=null;
        this.highlightColors=null;
    };
    
    var PieSeriesProperties = function() {
        this.seriesColors=null;
        this.padding=null;
        this.sliceMargin=null;
        this.fill=null;
        this.shadow=null;
        this.startAngle=null;
        this.lineWidth=null;
        this.highlightColors=null;
    };
    
    var DonutSeriesProperties = function() {
        this.seriesColors=null;
        this.padding=null;
        this.sliceMargin=null;
        this.fill=null;
        this.shadow=null;
        this.startAngle=null;
        this.lineWidth=null;
        this.innerDiameter=null;
        this.thickness=null;
        this.ringMargin=null;
        this.highlightColors=null;
    };
    
    var FunnelSeriesProperties = function() {
        this.color=null;
        this.lineWidth=null;
        this.shadow=null;
        this.padding=null;
        this.sectionMargin=null;
        this.seriesColors=null;
        this.highlightColors=null;
    };
    
    var MeterSeriesProperties = function() {
        this.padding=null;
        this.backgroundColor=null;
        this.ringColor=null;
        this.tickColor=null;
        this.ringWidth=null;
        this.intervalColors=null;
        this.intervalInnerRadius=null;
        this.intervalOuterRadius=null;
        this.hubRadius=null;
        this.needleThickness=null;
        this.needlePad=null;
    };
        



    $.fn.jqplotChildText = function() {
        return $(this).contents().filter(function() {
            return this.nodeType == 3;  // Node.TEXT_NODE not defined in I7
        }).text();
    };

    // Returns font style as abbreviation for "font" property.
    $.fn.jqplotGetComputedFontStyle = function() {
        var css = window.getComputedStyle ?  window.getComputedStyle(this[0], "") : this[0].currentStyle;
        var attrs = css['font-style'] ? ['font-style', 'font-weight', 'font-size', 'font-family'] : ['fontStyle', 'fontWeight', 'fontSize', 'fontFamily'];
        var style = [];

        for (var i=0 ; i < attrs.length; ++i) {
            var attr = String(css[attrs[i]]);

            if (attr && attr != 'normal') {
                style.push(attr);
            }
        }
        return style.join(' ');
    };

    /**
     * Namespace: $.fn
     * jQuery namespace to attach functions to jQuery elements.
     *  
     */

    $.fn.jqplotToImageCanvas = function(options) {

        options = options || {};
        var x_offset = (options.x_offset == null) ? 0 : options.x_offset;
        var y_offset = (options.y_offset == null) ? 0 : options.y_offset;
        var backgroundColor = (options.backgroundColor == null) ? 'rgb(255,255,255)' : options.backgroundColor;

        if ($(this).width() == 0 || $(this).height() == 0) {
            return null;
        }

        // excanvas and hence IE < 9 do not support toDataURL and cannot export images.
        if ($.jqplot.use_excanvas) {
            return null;
        }
        
        var newCanvas = document.createElement("canvas");
        var h = $(this).outerHeight(true);
        var w = $(this).outerWidth(true);
        var offs = $(this).offset();
        var plotleft = offs.left;
        var plottop = offs.top;
        var transx = 0, transy = 0;

        // have to check if any elements are hanging outside of plot area before rendering,
        // since changing width of canvas will erase canvas.

        var clses = ['jqplot-table-legend', 'jqplot-xaxis-tick', 'jqplot-x2axis-tick', 'jqplot-yaxis-tick', 'jqplot-y2axis-tick', 'jqplot-y3axis-tick', 
        'jqplot-y4axis-tick', 'jqplot-y5axis-tick', 'jqplot-y6axis-tick', 'jqplot-y7axis-tick', 'jqplot-y8axis-tick', 'jqplot-y9axis-tick',
        'jqplot-xaxis-label', 'jqplot-x2axis-label', 'jqplot-yaxis-label', 'jqplot-y2axis-label', 'jqplot-y3axis-label', 'jqplot-y4axis-label', 
        'jqplot-y5axis-label', 'jqplot-y6axis-label', 'jqplot-y7axis-label', 'jqplot-y8axis-label', 'jqplot-y9axis-label' ];

        var temptop, templeft, tempbottom, tempright;

        for (var i = 0; i < clses.length; i++) {
            $(this).find('.'+clses[i]).each(function() {
                temptop = $(this).offset().top - plottop;
                templeft = $(this).offset().left - plotleft;
                tempright = templeft + $(this).outerWidth(true) + transx;
                tempbottom = temptop + $(this).outerHeight(true) + transy;
                if (templeft < -transx) {
                    w = w - transx - templeft;
                    transx = -templeft;
                }
                if (temptop < -transy) {
                    h = h - transy - temptop;
                    transy = - temptop;
                }
                if (tempright > w) {
                    w = tempright;
                }
                if (tempbottom > h) {
                    h =  tempbottom;
                }
            });
        }

        newCanvas.width = w + Number(x_offset);
        newCanvas.height = h + Number(y_offset);

        var newContext = newCanvas.getContext("2d"); 

        newContext.save();
        newContext.fillStyle = backgroundColor;
        newContext.fillRect(0,0, newCanvas.width, newCanvas.height);
        newContext.restore();

        newContext.translate(transx, transy);
        newContext.textAlign = 'left';
        newContext.textBaseline = 'top';

        function getLineheight(el) {
            var lineheight = parseInt($(el).css('line-height'), 10);

            if (isNaN(lineheight)) {
                lineheight = parseInt($(el).css('font-size'), 10) * 1.2;
            }
            return lineheight;
        }

        function writeWrappedText (el, context, text, left, top, canvasWidth) {
            var lineheight = getLineheight(el);
            var tagwidth = $(el).innerWidth();
            var tagheight = $(el).innerHeight();
            var words = text.split(/\s+/);
            var wl = words.length;
            var w = '';
            var breaks = [];
            var temptop = top;
            var templeft = left;

            for (var i=0; i<wl; i++) {
                w += words[i];
                if (context.measureText(w).width > tagwidth && w.length > words[i].length) {
                    breaks.push(i);
                    w = '';
                    i--;
                }   
            }
            if (breaks.length === 0) {
                // center text if necessary
                if ($(el).css('textAlign') === 'center') {
                    templeft = left + (canvasWidth - context.measureText(w).width)/2  - transx;
                }
                context.fillText(text, templeft, top);
            }
            else {
                w = words.slice(0, breaks[0]).join(' ');
                // center text if necessary
                if ($(el).css('textAlign') === 'center') {
                    templeft = left + (canvasWidth - context.measureText(w).width)/2  - transx;
                }
                context.fillText(w, templeft, temptop);
                temptop += lineheight;
                for (var i=1, l=breaks.length; i<l; i++) {
                    w = words.slice(breaks[i-1], breaks[i]).join(' ');
                    // center text if necessary
                    if ($(el).css('textAlign') === 'center') {
                        templeft = left + (canvasWidth - context.measureText(w).width)/2  - transx;
                    }
                    context.fillText(w, templeft, temptop);
                    temptop += lineheight;
                }
                w = words.slice(breaks[i-1], words.length).join(' ');
                // center text if necessary
                if ($(el).css('textAlign') === 'center') {
                    templeft = left + (canvasWidth - context.measureText(w).width)/2  - transx;
                }
                context.fillText(w, templeft, temptop);
            }

        }

        function _jqpToImage(el, x_offset, y_offset) {
            var tagname = el.tagName.toLowerCase();
            var p = $(el).position();
            var css = window.getComputedStyle ?  window.getComputedStyle(el, "") : el.currentStyle; // for IE < 9
            var left = x_offset + p.left + parseInt(css.marginLeft, 10) + parseInt(css.borderLeftWidth, 10) + parseInt(css.paddingLeft, 10);
            var top = y_offset + p.top + parseInt(css.marginTop, 10) + parseInt(css.borderTopWidth, 10)+ parseInt(css.paddingTop, 10);
            var w = newCanvas.width;
            // var left = x_offset + p.left + $(el).css('marginLeft') + $(el).css('borderLeftWidth') 

            // somehow in here, for divs within divs, the width of the inner div should be used instead of the canvas.

            if ((tagname == 'div' || tagname == 'span') && !$(el).hasClass('jqplot-highlighter-tooltip')) {
                $(el).children().each(function() {
                    _jqpToImage(this, left, top);
                });
                var text = $(el).jqplotChildText();

                if (text) {
                    newContext.font = $(el).jqplotGetComputedFontStyle();
                    newContext.fillStyle = $(el).css('color');

                    writeWrappedText(el, newContext, text, left, top, w);
                }
            }

            // handle the standard table legend

            else if (tagname === 'table' && $(el).hasClass('jqplot-table-legend')) {
                newContext.strokeStyle = $(el).css('border-top-color');
                newContext.fillStyle = $(el).css('background-color');
                newContext.fillRect(left, top, $(el).innerWidth(), $(el).innerHeight());
                if (parseInt($(el).css('border-top-width'), 10) > 0) {
                    newContext.strokeRect(left, top, $(el).innerWidth(), $(el).innerHeight());
                }

                // find all the swatches
                $(el).find('div.jqplot-table-legend-swatch-outline').each(function() {
                    // get the first div and stroke it
                    var elem = $(this);
                    newContext.strokeStyle = elem.css('border-top-color');
                    var l = left + elem.position().left;
                    var t = top + elem.position().top;
                    newContext.strokeRect(l, t, elem.innerWidth(), elem.innerHeight());

                    // now fill the swatch
                    
                    l += parseInt(elem.css('padding-left'), 10);
                    t += parseInt(elem.css('padding-top'), 10);
                    var h = elem.innerHeight() - 2 * parseInt(elem.css('padding-top'), 10);
                    var w = elem.innerWidth() - 2 * parseInt(elem.css('padding-left'), 10);

                    var swatch = elem.children('div.jqplot-table-legend-swatch');
                    newContext.fillStyle = swatch.css('background-color');
                    newContext.fillRect(l, t, w, h);
                });

                // now add text

                $(el).find('td.jqplot-table-legend-label').each(function(){
                    var elem = $(this);
                    var l = left + elem.position().left;
                    var t = top + elem.position().top + parseInt(elem.css('padding-top'), 10);
                    newContext.font = elem.jqplotGetComputedFontStyle();
                    newContext.fillStyle = elem.css('color');
                    writeWrappedText(elem, newContext, elem.text(), l, t, w);
                });

                var elem = null;
            }

            else if (tagname == 'canvas') {
                newContext.drawImage(el, left, top);
            }
        }
        $(this).children().each(function() {
            _jqpToImage(this, x_offset, y_offset);
        });
        return newCanvas;
    };

    // return the raw image data string.
    // Should work on canvas supporting browsers.
    $.fn.jqplotToImageStr = function(options) {
        var imgCanvas = $(this).jqplotToImageCanvas(options);
        if (imgCanvas) {
            return imgCanvas.toDataURL("image/png");
        }
        else {
            return null;
        }
    };

    // return a DOM <img> element and return it.
    // Should work on canvas supporting browsers.
    $.fn.jqplotToImageElem = function(options) {
        var elem = document.createElement("img");
        var str = $(this).jqplotToImageStr(options);
        elem.src = str;
        return elem;
    };

    // return a string for an <img> element and return it.
    // Should work on canvas supporting browsers.
    $.fn.jqplotToImageElemStr = function(options) {
        var str = '<img src='+$(this).jqplotToImageStr(options)+' />';
        return str;
    };

    // Not guaranteed to work, even on canvas supporting browsers due to 
    // limitations with location.href and browser support.
    $.fn.jqplotSaveImage = function() {
        var imgData = $(this).jqplotToImageStr({});
        if (imgData) {
            window.location.href = imgData.replace("image/png", "image/octet-stream");
        }

    };

    // Not guaranteed to work, even on canvas supporting browsers due to
    // limitations with window.open and arbitrary data.
    $.fn.jqplotViewImage = function() {
        var imgStr = $(this).jqplotToImageElemStr({});
        var imgData = $(this).jqplotToImageStr({});
        if (imgStr) {
            var w = window.open('');
            w.document.open("image/png");
            w.document.write(imgStr);
            w.document.close();
            w = null;
        }
    };
    



    /** 
     * @description
     * <p>Object with extended date parsing and formatting capabilities.
     * This library borrows many concepts and ideas from the Date Instance 
     * Methods by Ken Snyder along with some parts of Ken's actual code.</p>
     *
     * <p>jsDate takes a different approach by not extending the built-in 
     * Date Object, improving date parsing, allowing for multiple formatting 
     * syntaxes and multiple and more easily expandable localization.</p>
     * 
     * @author Chris Leonello
     * @date #date#
     * @version #VERSION#
     * @copyright (c) 2010-2015 Chris Leonello
     * jsDate is currently available for use in all personal or commercial projects 
     * under both the MIT and GPL version 2.0 licenses. This means that you can 
     * choose the license that best suits your project and use it accordingly.
     * 
     * <p>Ken's original Date Instance Methods and copyright notice:</p>
     * <pre>
     * Ken Snyder (ken d snyder at gmail dot com)
     * 2008-09-10
     * version 2.0.2 (http://kendsnyder.com/sandbox/date/)     
     * Creative Commons Attribution License 3.0 (http://creativecommons.org/licenses/by/3.0/)
     * </pre>
     * 
     * @class
     * @name jsDate
     * @param  {String | Number | Array | Date&nbsp;Object | Options&nbsp;Object} arguments Optional arguments, either a parsable date/time string,
     * a JavaScript timestamp, an array of numbers of form [year, month, day, hours, minutes, seconds, milliseconds],
     * a Date object, or an options object of form {syntax: "perl", date:some Date} where all options are optional.
     */
     
    var jsDate = function () {
    
        this.syntax = jsDate.config.syntax;
        this._type = "jsDate";
        this.proxy = new Date();
        this.options = {};
        this.locale = jsDate.regional.getLocale();
        this.formatString = '';
        this.defaultCentury = jsDate.config.defaultCentury;

        switch ( arguments.length ) {
            case 0:
                break;
            case 1:
                // other objects either won't have a _type property or,
                // if they do, it shouldn't be set to "jsDate", so
                // assume it is an options argument.
                if (get_type(arguments[0]) == "[object Object]" && arguments[0]._type != "jsDate") {
                    var opts = this.options = arguments[0];
                    this.syntax = opts.syntax || this.syntax;
                    this.defaultCentury = opts.defaultCentury || this.defaultCentury;
                    this.proxy = jsDate.createDate(opts.date);
                }
                else {
                    this.proxy = jsDate.createDate(arguments[0]);
                }
                break;
            default:
                var a = [];
                for ( var i=0; i<arguments.length; i++ ) {
                    a.push(arguments[i]);
                }
                // this should be the current date/time?
                this.proxy = new Date();
                this.proxy.setFullYear.apply( this.proxy, a.slice(0,3) );
                if ( a.slice(3).length ) {
                    this.proxy.setHours.apply( this.proxy, a.slice(3) );
                }
                break;
        }
    };
    
    /**
     * @namespace Configuration options that will be used as defaults for all instances on the page.
     * @property {String} defaultLocale The default locale to use [en].
     * @property {String} syntax The default syntax to use [perl].
     * @property {Number} defaultCentury The default centry for 2 digit dates.
     */
    jsDate.config = {
        defaultLocale: 'en',
        syntax: 'perl',
        defaultCentury: 1900
    };
        
    /**
     * Add an arbitrary amount to the currently stored date
     * 
     * @param {Number} number      
     * @param {String} unit
     * @returns {jsDate}       
     */
     
    jsDate.prototype.add = function(number, unit) {
        var factor = multipliers[unit] || multipliers.day;
        if (typeof factor == 'number') {
            this.proxy.setTime(this.proxy.getTime() + (factor * number));
        } else {
            factor.add(this, number);
        }
        return this;
    };
        
    /**
     * Create a new jqplot.date object with the same date
     * 
     * @returns {jsDate}
     */  
     
    jsDate.prototype.clone = function() {
            return new jsDate(this.proxy.getTime());
    };

    /**
     * Get the UTC TimeZone Offset of this date in milliseconds.
     *
     * @returns {Number}
     */

    jsDate.prototype.getUtcOffset = function() {
        return this.proxy.getTimezoneOffset() * 60000;
    };

    /**
     * Find the difference between this jsDate and another date.
     * 
     * @param {String| Number| Array| jsDate&nbsp;Object| Date&nbsp;Object} dateObj
     * @param {String} unit
     * @param {Boolean} allowDecimal
     * @returns {Number} Number of units difference between dates.
     */
     
    jsDate.prototype.diff = function(dateObj, unit, allowDecimal) {
        // ensure we have a Date object
        dateObj = new jsDate(dateObj);
        if (dateObj === null) {
            return null;
        }
        // get the multiplying factor integer or factor function
        var factor = multipliers[unit] || multipliers.day;
        if (typeof factor == 'number') {
            // multiply
            var unitDiff = (this.proxy.getTime() - dateObj.proxy.getTime()) / factor;
        } else {
            // run function
            var unitDiff = factor.diff(this.proxy, dateObj.proxy);
        }
        // if decimals are not allowed, round toward zero
        return (allowDecimal ? unitDiff : Math[unitDiff > 0 ? 'floor' : 'ceil'](unitDiff));          
    };
    
    /**
     * Get the abbreviated name of the current week day
     * 
     * @returns {String}
     */   
     
    jsDate.prototype.getAbbrDayName = function() {
        return jsDate.regional[this.locale]["dayNamesShort"][this.proxy.getDay()];
    };
    
    /**
     * Get the abbreviated name of the current month
     * 
     * @returns {String}
     */
     
    jsDate.prototype.getAbbrMonthName = function() {
        return jsDate.regional[this.locale]["monthNamesShort"][this.proxy.getMonth()];
    };
    
    /**
     * Get UPPER CASE AM or PM for the current time
     * 
     * @returns {String}
     */
     
    jsDate.prototype.getAMPM = function() {
        return this.proxy.getHours() >= 12 ? 'PM' : 'AM';
    };
    
    /**
     * Get lower case am or pm for the current time
     * 
     * @returns {String}
     */
     
    jsDate.prototype.getAmPm = function() {
        return this.proxy.getHours() >= 12 ? 'pm' : 'am';
    };
    
    /**
     * Get the century (19 for 20th Century)
     *
     * @returns {Integer} Century (19 for 20th century).
     */
    jsDate.prototype.getCentury = function() { 
        return parseInt(this.proxy.getFullYear()/100, 10);
    };
    
    /**
     * Implements Date functionality
     */
    jsDate.prototype.getDate = function() {
        return this.proxy.getDate();
    };
    
    /**
     * Implements Date functionality
     */
    jsDate.prototype.getDay = function() {
        return this.proxy.getDay();
    };
    
    /**
     * Get the Day of week 1 (Monday) thru 7 (Sunday)
     * 
     * @returns {Integer} Day of week 1 (Monday) thru 7 (Sunday)
     */
    jsDate.prototype.getDayOfWeek = function() { 
        var dow = this.proxy.getDay(); 
        return dow===0?7:dow; 
    };
    
    /**
     * Get the day of the year
     * 
     * @returns {Integer} 1 - 366, day of the year
     */
    jsDate.prototype.getDayOfYear = function() {
        var d = this.proxy;
        var ms = d - new Date('' + d.getFullYear() + '/1/1 GMT');
        ms += d.getTimezoneOffset()*60000;
        d = null;
        return parseInt(ms/60000/60/24, 10)+1;
    };
    
    /**
     * Get the name of the current week day
     * 
     * @returns {String}
     */  
     
    jsDate.prototype.getDayName = function() {
        return jsDate.regional[this.locale]["dayNames"][this.proxy.getDay()];
    };
    
    /**
     * Get the week number of the given year, starting with the first Sunday as the first week
     * @returns {Integer} Week number (13 for the 13th full week of the year).
     */
    jsDate.prototype.getFullWeekOfYear = function() {
        var d = this.proxy;
        var doy = this.getDayOfYear();
        var rdow = 6-d.getDay();
        var woy = parseInt((doy+rdow)/7, 10);
        return woy;
    };
    
    /**
     * Implements Date functionality
     */
    jsDate.prototype.getFullYear = function() {
        return this.proxy.getFullYear();
    };
    
    /**
     * Get the GMT offset in hours and minutes (e.g. +06:30)
     * 
     * @returns {String}
     */
     
    jsDate.prototype.getGmtOffset = function() {
        // divide the minutes offset by 60
        var hours = this.proxy.getTimezoneOffset() / 60;
        // decide if we are ahead of or behind GMT
        var prefix = hours < 0 ? '+' : '-';
        // remove the negative sign if any
        hours = Math.abs(hours);
        // add the +/- to the padded number of hours to : to the padded minutes
        return prefix + addZeros(Math.floor(hours), 2) + ':' + addZeros((hours % 1) * 60, 2);
    };
    
    /**
     * Implements Date functionality
     */
    jsDate.prototype.getHours = function() {
        return this.proxy.getHours();
    };
    
    /**
     * Get the current hour on a 12-hour scheme
     * 
     * @returns {Integer}
     */
     
    jsDate.prototype.getHours12  = function() {
        var hours = this.proxy.getHours();
        return hours > 12 ? hours - 12 : (hours == 0 ? 12 : hours);
    };
    
    
    jsDate.prototype.getIsoWeek = function() {
        var d = this.proxy;
        var woy = this.getWeekOfYear();
        var dow1_1 = (new Date('' + d.getFullYear() + '/1/1')).getDay();
        // First week is 01 and not 00 as in the case of %U and %W,
        // so we add 1 to the final result except if day 1 of the year
        // is a Monday (then %W returns 01).
        // We also need to subtract 1 if the day 1 of the year is 
        // Friday-Sunday, so the resulting equation becomes:
        var idow = woy + (dow1_1 > 4 || dow1_1 <= 1 ? 0 : 1);
        if(idow == 53 && (new Date('' + d.getFullYear() + '/12/31')).getDay() < 4)
        {
            idow = 1;
        }
        else if(idow === 0)
        {
            d = new jsDate(new Date('' + (d.getFullYear()-1) + '/12/31'));
            idow = d.getIsoWeek();
        }
        d = null;
        return idow;
    };
    
    /**
     * Implements Date functionality
     */
    jsDate.prototype.getMilliseconds = function() {
        return this.proxy.getMilliseconds();
    };
    
    /**
     * Implements Date functionality
     */
    jsDate.prototype.getMinutes = function() {
        return this.proxy.getMinutes();
    };
    
    /**
     * Implements Date functionality
     */
    jsDate.prototype.getMonth = function() {
        return this.proxy.getMonth();
    };
    
    /**
     * Get the name of the current month
     * 
     * @returns {String}
     */
     
    jsDate.prototype.getMonthName = function() {
        return jsDate.regional[this.locale]["monthNames"][this.proxy.getMonth()];
    };
    
    /**
     * Get the number of the current month, 1-12
     * 
     * @returns {Integer}
     */
     
    jsDate.prototype.getMonthNumber = function() {
        return this.proxy.getMonth() + 1;
    };
    
    /**
     * Implements Date functionality
     */
    jsDate.prototype.getSeconds = function() {
        return this.proxy.getSeconds();
    };
    
    /**
     * Return a proper two-digit year integer
     * 
     * @returns {Integer}
     */
     
    jsDate.prototype.getShortYear = function() {
        return this.proxy.getYear() % 100;
    };
    
    /**
     * Implements Date functionality
     */
    jsDate.prototype.getTime = function() {
        return this.proxy.getTime();
    };
    
    /**
     * Get the timezone abbreviation
     *
     * @returns {String} Abbreviation for the timezone
     */
    jsDate.prototype.getTimezoneAbbr = function() {
        return this.proxy.toString().replace(/^.*\(([^)]+)\)$/, '$1'); 
    };
    
    /**
     * Get the browser-reported name for the current timezone (e.g. MDT, Mountain Daylight Time)
     * 
     * @returns {String}
     */
    jsDate.prototype.getTimezoneName = function() {
        var match = /(?:\((.+)\)$| ([A-Z]{3}) )/.exec(this.toString());
        return match[1] || match[2] || 'GMT' + this.getGmtOffset();
    }; 
    
    /**
     * Implements Date functionality
     */
    jsDate.prototype.getTimezoneOffset = function() {
        return this.proxy.getTimezoneOffset();
    };
    
    
    /**
     * Get the week number of the given year, starting with the first Monday as the first week
     * @returns {Integer} Week number (13 for the 13th week of the year).
     */
    jsDate.prototype.getWeekOfYear = function() {
        var doy = this.getDayOfYear();
        var rdow = 7 - this.getDayOfWeek();
        var woy = parseInt((doy+rdow)/7, 10);
        return woy;
    };
    
    /**
     * Get the current date as a Unix timestamp
     * 
     * @returns {Integer}
     */
     
    jsDate.prototype.getUnix = function() {
        return Math.round(this.proxy.getTime() / 1000, 0);
    }; 
    
    /**
     * Implements Date functionality
     */
    jsDate.prototype.getYear = function() {
        return this.proxy.getYear();
    };
    
    /**
     * Return a date one day ahead (or any other unit)
     * 
     * @param {String} unit Optional, year | month | day | week | hour | minute | second | millisecond
     * @returns {jsDate}
     */
     
    jsDate.prototype.next = function(unit) {
        unit = unit || 'day';
        return this.clone().add(1, unit);
    };
    
    /**
     * Set the jsDate instance to a new date.
     *
     * @param  {String | Number | Array | Date Object | jsDate Object | Options Object} arguments Optional arguments, 
     * either a parsable date/time string,
     * a JavaScript timestamp, an array of numbers of form [year, month, day, hours, minutes, seconds, milliseconds],
     * a Date object, jsDate Object or an options object of form {syntax: "perl", date:some Date} where all options are optional.
     */
    jsDate.prototype.set = function() {
        switch ( arguments.length ) {
            case 0:
                this.proxy = new Date();
                break;
            case 1:
                // other objects either won't have a _type property or,
                // if they do, it shouldn't be set to "jsDate", so
                // assume it is an options argument.
                if (get_type(arguments[0]) == "[object Object]" && arguments[0]._type != "jsDate") {
                    var opts = this.options = arguments[0];
                    this.syntax = opts.syntax || this.syntax;
                    this.defaultCentury = opts.defaultCentury || this.defaultCentury;
                    this.proxy = jsDate.createDate(opts.date);
                }
                else {
                    this.proxy = jsDate.createDate(arguments[0]);
                }
                break;
            default:
                var a = [];
                for ( var i=0; i<arguments.length; i++ ) {
                    a.push(arguments[i]);
                }
                // this should be the current date/time
                this.proxy = new Date();
                this.proxy.setFullYear.apply( this.proxy, a.slice(0,3) );
                if ( a.slice(3).length ) {
                    this.proxy.setHours.apply( this.proxy, a.slice(3) );
                }
                break;
        }
        return this;
    };
    
    /**
     * Sets the day of the month for a specified date according to local time.
     * @param {Integer} dayValue An integer from 1 to 31, representing the day of the month. 
     */
    jsDate.prototype.setDate = function(n) {
        this.proxy.setDate(n);
        return this;
    };
    
    /**
     * Sets the full year for a specified date according to local time.
     * @param {Integer} yearValue The numeric value of the year, for example, 1995.  
     * @param {Integer} monthValue Optional, between 0 and 11 representing the months January through December.  
     * @param {Integer} dayValue Optional, between 1 and 31 representing the day of the month. If you specify the dayValue parameter, you must also specify the monthValue. 
     */
    jsDate.prototype.setFullYear = function() {
        this.proxy.setFullYear.apply(this.proxy, arguments);
        return this;
    };
    
    /**
     * Sets the hours for a specified date according to local time.
     * 
     * @param {Integer} hoursValue An integer between 0 and 23, representing the hour.  
     * @param {Integer} minutesValue Optional, An integer between 0 and 59, representing the minutes.  
     * @param {Integer} secondsValue Optional, An integer between 0 and 59, representing the seconds. 
     * If you specify the secondsValue parameter, you must also specify the minutesValue.  
     * @param {Integer} msValue Optional, A number between 0 and 999, representing the milliseconds. 
     * If you specify the msValue parameter, you must also specify the minutesValue and secondsValue. 
     */
    jsDate.prototype.setHours = function() {
        this.proxy.setHours.apply(this.proxy, arguments);
        return this;
    };
    
    /**
     * Implements Date functionality
     */ 
    jsDate.prototype.setMilliseconds = function(n) {
        this.proxy.setMilliseconds(n);
        return this;
    };
    
    /**
     * Implements Date functionality
     */ 
    jsDate.prototype.setMinutes = function() {
        this.proxy.setMinutes.apply(this.proxy, arguments);
        return this;
    };
    
    /**
     * Implements Date functionality
     */ 
    jsDate.prototype.setMonth = function() {
        this.proxy.setMonth.apply(this.proxy, arguments);
        return this;
    };
    
    /**
     * Implements Date functionality
     */ 
    jsDate.prototype.setSeconds = function() {
        this.proxy.setSeconds.apply(this.proxy, arguments);
        return this;
    };
    
    /**
     * Implements Date functionality
     */ 
    jsDate.prototype.setTime = function(n) {
        this.proxy.setTime(n);
        return this;
    };
    
    /**
     * Implements Date functionality
     */ 
    jsDate.prototype.setYear = function() {
        this.proxy.setYear.apply(this.proxy, arguments);
        return this;
    };
    
    /**
     * Provide a formatted string representation of this date.
     * 
     * @param {String} formatString A format string.  
     * See: {@link jsDate.formats}.
     * @returns {String} Date String.
     */
            
    jsDate.prototype.strftime = function(formatString) {
        formatString = formatString || this.formatString || jsDate.regional[this.locale]['formatString'];
        return jsDate.strftime(this, formatString, this.syntax);
    };
        
    /**
     * Return a String representation of this jsDate object.
     * @returns {String} Date string.
     */
    
    jsDate.prototype.toString = function() {
        return this.proxy.toString();
    };
        
    /**
     * Convert the current date to an 8-digit integer (%Y%m%d)
     * 
     * @returns {Integer}
     */
     
    jsDate.prototype.toYmdInt = function() {
        return (this.proxy.getFullYear() * 10000) + (this.getMonthNumber() * 100) + this.proxy.getDate();
    };
    
    /**
     * @namespace Holds localizations for month/day names.
     * <p>jsDate attempts to detect locale when loaded and defaults to 'en'.
     * If a localization is detected which is not available, jsDate defaults to 'en'.
     * Additional localizations can be added after jsDate loads.  After adding a localization,
     * call the jsDate.regional.getLocale() method.  Currently, en, fr and de are defined.</p>
     * 
     * <p>Localizations must be an object and have the following properties defined:  monthNames, monthNamesShort, dayNames, dayNamesShort and Localizations are added like:</p>
     * <pre class="code">
     * jsDate.regional['en'] = {
     * monthNames      : 'January February March April May June July August September October November December'.split(' '),
     * monthNamesShort : 'Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec'.split(' '),
     * dayNames        : 'Sunday Monday Tuesday Wednesday Thursday Friday Saturday'.split(' '),
     * dayNamesShort   : 'Sun Mon Tue Wed Thu Fri Sat'.split(' ')
     * };
     * </pre>
     * <p>After adding localizations, call <code>jsDate.regional.getLocale();</code> to update the locale setting with the
     * new localizations.</p>
     */
     
    jsDate.regional = {
        'en': {
            monthNames: ['January','February','March','April','May','June','July','August','September','October','November','December'],
            monthNamesShort: ['Jan', 'Feb', 'Mar', 'Apr', 'May', 'Jun','Jul', 'Aug', 'Sep', 'Oct', 'Nov', 'Dec'],
            dayNames: ['Sunday', 'Monday', 'Tuesday', 'Wednesday', 'Thursday', 'Friday', 'Saturday'],
            dayNamesShort: ['Sun', 'Mon', 'Tue', 'Wed', 'Thu', 'Fri', 'Sat'],
            formatString: '%Y-%m-%d %H:%M:%S'
        },
        
        'fr': {
            monthNames: ['Janvier','Février','Mars','Avril','Mai','Juin','Juillet','Août','Septembre','Octobre','Novembre','Décembre'],
            monthNamesShort: ['Jan','Fév','Mar','Avr','Mai','Jun','Jul','Aoû','Sep','Oct','Nov','Déc'],
            dayNames: ['Dimanche','Lundi','Mardi','Mercredi','Jeudi','Vendredi','Samedi'],
            dayNamesShort: ['Dim','Lun','Mar','Mer','Jeu','Ven','Sam'],
            formatString: '%Y-%m-%d %H:%M:%S'
        },
        
        'de': {
            monthNames: ['Januar','Februar','März','April','Mai','Juni','Juli','August','September','Oktober','November','Dezember'],
            monthNamesShort: ['Jan','Feb','Mär','Apr','Mai','Jun','Jul','Aug','Sep','Okt','Nov','Dez'],
            dayNames: ['Sonntag','Montag','Dienstag','Mittwoch','Donnerstag','Freitag','Samstag'],
            dayNamesShort: ['So','Mo','Di','Mi','Do','Fr','Sa'],
            formatString: '%Y-%m-%d %H:%M:%S'
        },
        
        'es': {
            monthNames: ['Enero','Febrero','Marzo','Abril','Mayo','Junio', 'Julio','Agosto','Septiembre','Octubre','Noviembre','Diciembre'],
            monthNamesShort: ['Ene','Feb','Mar','Abr','May','Jun', 'Jul','Ago','Sep','Oct','Nov','Dic'],
            dayNames: ['Domingo','Lunes','Martes','Mi&eacute;rcoles','Jueves','Viernes','S&aacute;bado'],
            dayNamesShort: ['Dom','Lun','Mar','Mi&eacute;','Juv','Vie','S&aacute;b'],
            formatString: '%Y-%m-%d %H:%M:%S'
        },
        
        'ru': {
            monthNames: ['Январь','Февраль','Март','Апрель','Май','Июнь','Июль','Август','Сентябрь','Октябрь','Ноябрь','Декабрь'],
            monthNamesShort: ['Янв','Фев','Мар','Апр','Май','Июн','Июл','Авг','Сен','Окт','Ноя','Дек'],
            dayNames: ['воскресенье','понедельник','вторник','среда','четверг','пятница','суббота'],
            dayNamesShort: ['вск','пнд','втр','срд','чтв','птн','сбт'],
            formatString: '%Y-%m-%d %H:%M:%S'
        },
        
        'ar': {
            monthNames: ['كانون الثاني', 'شباط', 'آذار', 'نيسان', 'آذار', 'حزيران','تموز', 'آب', 'أيلول',   'تشرين الأول', 'تشرين الثاني', 'كانون الأول'],
            monthNamesShort: ['1','2','3','4','5','6','7','8','9','10','11','12'],
            dayNames: ['السبت', 'الأحد', 'الاثنين', 'الثلاثاء', 'الأربعاء', 'الخميس', 'الجمعة'],
            dayNamesShort: ['سبت', 'أحد', 'اثنين', 'ثلاثاء', 'أربعاء', 'خميس', 'جمعة'],
            formatString: '%Y-%m-%d %H:%M:%S'
        },
        
        'pt': {
            monthNames: ['Janeiro','Fevereiro','Mar&ccedil;o','Abril','Maio','Junho','Julho','Agosto','Setembro','Outubro','Novembro','Dezembro'],
            monthNamesShort: ['Jan','Fev','Mar','Abr','Mai','Jun','Jul','Ago','Set','Out','Nov','Dez'],
            dayNames: ['Domingo','Segunda-feira','Ter&ccedil;a-feira','Quarta-feira','Quinta-feira','Sexta-feira','S&aacute;bado'],
            dayNamesShort: ['Dom','Seg','Ter','Qua','Qui','Sex','S&aacute;b'],
            formatString: '%Y-%m-%d %H:%M:%S'   
        },
        
        'pt-BR': {
            monthNames: ['Janeiro','Fevereiro','Mar&ccedil;o','Abril','Maio','Junho', 'Julho','Agosto','Setembro','Outubro','Novembro','Dezembro'],
            monthNamesShort: ['Jan','Fev','Mar','Abr','Mai','Jun','Jul','Ago','Set','Out','Nov','Dez'],
            dayNames: ['Domingo','Segunda-feira','Ter&ccedil;a-feira','Quarta-feira','Quinta-feira','Sexta-feira','S&aacute;bado'],
            dayNamesShort: ['Dom','Seg','Ter','Qua','Qui','Sex','S&aacute;b'],
            formatString: '%Y-%m-%d %H:%M:%S'
        },
        
        'pl': {
            monthNames: ['Styczeń','Luty','Marzec','Kwiecień','Maj','Czerwiec','Lipiec','Sierpień','Wrzesień','Październik','Listopad','Grudzień'],
            monthNamesShort: ['Sty', 'Lut', 'Mar', 'Kwi', 'Maj', 'Cze','Lip', 'Sie', 'Wrz', 'Paź', 'Lis', 'Gru'],
            dayNames: ['Niedziela', 'Poniedziałek', 'Wtorek', 'Środa', 'Czwartek', 'Piątek', 'Sobota'],
            dayNamesShort: ['Ni', 'Pn', 'Wt', 'Śr', 'Cz', 'Pt', 'Sb'],
            formatString: '%Y-%m-%d %H:%M:%S'
        },

        'nl': {
            monthNames: ['Januari','Februari','Maart','April','Mei','Juni','July','Augustus','September','Oktober','November','December'],
            monthNamesShort: ['Jan','Feb','Mar','Apr','Mei','Jun','Jul','Aug','Sep','Okt','Nov','Dec'],
            dayNames:','['Zondag','Maandag','Dinsdag','Woensdag','Donderdag','Vrijdag','Zaterdag'],
            dayNamesShort: ['Zo','Ma','Di','Wo','Do','Vr','Za'],
            formatString: '%Y-%m-%d %H:%M:%S'
        },

        'sv': {
            monthNames: ['januari','februari','mars','april','maj','juni','juli','augusti','september','oktober','november','december'],
            monthNamesShort: ['jan','feb','mar','apr','maj','jun','jul','aug','sep','okt','nov','dec'],
            dayNames: ['söndag','måndag','tisdag','onsdag','torsdag','fredag','lördag'],
            dayNamesShort: ['sön','mån','tis','ons','tor','fre','lör'],
            formatString: '%Y-%m-%d %H:%M:%S'
        },

        'it': {
            monthNames: ['Gennaio','Febbraio','Marzo','Aprile','Maggio','Giugno','Luglio','Agosto','Settembre','Ottobre','Novembre','Dicembre'],
            monthNamesShort: ['Gen','Feb','Mar','Apr','Mag','Giu','Lug','Ago','Set','Ott','Nov','Dic'],
            dayNames: ['Domenica','Lunedi','Martedi','Mercoledi','Giovedi','Venerdi','Sabato'],
            dayNamesShort: ['Dom','Lun','Mar','Mer','Gio','Ven','Sab'],
            formatString: '%d-%m-%Y %H:%M:%S'
        }
    
    };
    
    // Set english variants to 'en'
    jsDate.regional['en-US'] = jsDate.regional['en-GB'] = jsDate.regional['en'];
    
    /**
     * Try to determine the users locale based on the lang attribute of the html page.  Defaults to 'en'
     * if it cannot figure out a locale of if the locale does not have a localization defined.
     * @returns {String} locale
     */
     
    jsDate.regional.getLocale = function () {
        var l = jsDate.config.defaultLocale;
        
        if ( document && document.getElementsByTagName('html') && document.getElementsByTagName('html')[0].lang ) {
            l = document.getElementsByTagName('html')[0].lang;
            if (!jsDate.regional.hasOwnProperty(l)) {
                l = jsDate.config.defaultLocale;
            }
        }
        
        return l;
    };
    
    // ms in day
    var day = 24 * 60 * 60 * 1000;
    
    // padd a number with zeros
    var addZeros = function(num, digits) {
        num = String(num);
        var i = digits - num.length;
        var s = String(Math.pow(10, i)).slice(1);
        return s.concat(num);
    };

    // representations used for calculating differences between dates.
    // This borrows heavily from Ken Snyder's work.
    var multipliers = {
        millisecond: 1,
        second: 1000,
        minute: 60 * 1000,
        hour: 60 * 60 * 1000,
        day: day,
        week: 7 * day,
        month: {
            // add a number of months
            add: function(d, number) {
                // add any years needed (increments of 12)
                multipliers.year.add(d, Math[number > 0 ? 'floor' : 'ceil'](number / 12));
                // ensure that we properly wrap betwen December and January
                // 11 % 12 = 11
                // 12 % 12 = 0
                var prevMonth = d.getMonth() + (number % 12);
                if (prevMonth == 12) {
                    prevMonth = 0;
                    d.setYear(d.getFullYear() + 1);
                } else if (prevMonth == -1) {
                    prevMonth = 11;
                    d.setYear(d.getFullYear() - 1);
                }
                d.setMonth(prevMonth);
            },
            // get the number of months between two Date objects (decimal to the nearest day)
            diff: function(d1, d2) {
                // get the number of years
                var diffYears = d1.getFullYear() - d2.getFullYear();
                // get the number of remaining months
                var diffMonths = d1.getMonth() - d2.getMonth() + (diffYears * 12);
                // get the number of remaining days
                var diffDays = d1.getDate() - d2.getDate();
                // return the month difference with the days difference as a decimal
                return diffMonths + (diffDays / 30);
            }
        },
        year: {
            // add a number of years
            add: function(d, number) {
                d.setYear(d.getFullYear() + Math[number > 0 ? 'floor' : 'ceil'](number));
            },
            // get the number of years between two Date objects (decimal to the nearest day)
            diff: function(d1, d2) {
                return multipliers.month.diff(d1, d2) / 12;
            }
        }        
    };
    //
    // Alias each multiplier with an 's' to allow 'year' and 'years' for example.
    // This comes from Ken Snyders work.
    //
    for (var unit in multipliers) {
        if (unit.substring(unit.length - 1) != 's') { // IE will iterate newly added properties :|
            multipliers[unit + 's'] = multipliers[unit];
        }
    }
    
    //
    // take a jsDate instance and a format code and return the formatted value.
    // This is a somewhat modified version of Ken Snyder's method.
    //
    var format = function(d, code, syntax) {
        // if shorcut codes are used, recursively expand those.
        if (jsDate.formats[syntax]["shortcuts"][code]) {
            return jsDate.strftime(d, jsDate.formats[syntax]["shortcuts"][code], syntax);
        } else {
            // get the format code function and addZeros() argument
            var getter = (jsDate.formats[syntax]["codes"][code] || '').split('.');
            var nbr = d['get' + getter[0]] ? d['get' + getter[0]]() : '';
            if (getter[1]) {
                nbr = addZeros(nbr, getter[1]);
            }
            return nbr;
        }       
    };
    
    /**
     * @static
     * Static function for convert a date to a string according to a given format.  Also acts as namespace for strftime format codes.
     * <p>strftime formatting can be accomplished without creating a jsDate object by calling jsDate.strftime():</p>
     * <pre class="code">
     * var formattedDate = jsDate.strftime('Feb 8, 2006 8:48:32', '%Y-%m-%d %H:%M:%S');
     * </pre>
     * @param {String | Number | Array | jsDate&nbsp;Object | Date&nbsp;Object} date A parsable date string, JavaScript time stamp, Array of form [year, month, day, hours, minutes, seconds, milliseconds], jsDate Object or Date object.
     * @param {String} formatString String with embedded date formatting codes.  
     * See: {@link jsDate.formats}. 
     * @param {String} syntax Optional syntax to use [default perl].
     * @param {String} locale Optional locale to use.
     * @returns {String} Formatted representation of the date.
    */
    //
    // Logic as implemented here is very similar to Ken Snyder's Date Instance Methods.
    //
    jsDate.strftime = function(d, formatString, syntax, locale) {
        var syn = 'perl';
        var loc = jsDate.regional.getLocale();
        
        // check if syntax and locale are available or reversed
        if (syntax && jsDate.formats.hasOwnProperty(syntax)) {
            syn = syntax;
        }
        else if (syntax && jsDate.regional.hasOwnProperty(syntax)) {
            loc = syntax;
        }
        
        if (locale && jsDate.formats.hasOwnProperty(locale)) {
            syn = locale;
        }
        else if (locale && jsDate.regional.hasOwnProperty(locale)) {
            loc = locale;
        }
        
        if (get_type(d) != "[object Object]" || d._type != "jsDate") {
            d = new jsDate(d);
            d.locale = loc;
        }
        if (!formatString) {
            formatString = d.formatString || jsDate.regional[loc]['formatString'];
        }
        // default the format string to year-month-day
        var source = formatString || '%Y-%m-%d', 
            result = '', 
            match;
        // replace each format code
        while (source.length > 0) {
            if (match = source.match(jsDate.formats[syn].codes.matcher)) {
                result += source.slice(0, match.index);
                result += (match[1] || '') + format(d, match[2], syn);
                source = source.slice(match.index + match[0].length);
            } else {
                result += source;
                source = '';
            }
        }
        return result;
    };
    
    /**
     * @namespace
     * Namespace to hold format codes and format shortcuts.  "perl" and "php" format codes 
     * and shortcuts are defined by default.  Additional codes and shortcuts can be
     * added like:
     * 
     * <pre class="code">
     * jsDate.formats["perl"] = {
     *     "codes": {
     *         matcher: /someregex/,
     *         Y: "fullYear",  // name of "get" method without the "get",
     *         ...,            // more codes
     *     },
     *     "shortcuts": {
     *         F: '%Y-%m-%d',
     *         ...,            // more shortcuts
     *     }
     * };
     * </pre>
     * 
     * <p>Additionally, ISO and SQL shortcuts are defined and can be accesses via:
     * <code>jsDate.formats.ISO</code> and <code>jsDate.formats.SQL</code>
     */
    
    jsDate.formats = {
        ISO:'%Y-%m-%dT%H:%M:%S.%N%G',
        SQL:'%Y-%m-%d %H:%M:%S'
    };
    
    /**
     * Perl format codes and shortcuts for strftime.
     * 
     * A hash (object) of codes where each code must be an array where the first member is 
     * the name of a Date.prototype or jsDate.prototype function to call
     * and optionally a second member indicating the number to pass to addZeros()
     * 
     * <p>The following format codes are defined:</p>
     * 
     * <pre class="code">
     * Code    Result                    Description
     * == Years ==           
     * %Y      2008                      Four-digit year
     * %y      08                        Two-digit year
     * 
     * == Months ==          
     * %m      09                        Two-digit month
     * %#m     9                         One or two-digit month
     * %B      September                 Full month name
     * %b      Sep                       Abbreviated month name
     * 
     * == Days ==            
     * %d      05                        Two-digit day of month
     * %#d     5                         One or two-digit day of month
     * %e      5                         One or two-digit day of month
     * %A      Sunday                    Full name of the day of the week
     * %a      Sun                       Abbreviated name of the day of the week
     * %w      0                         Number of the day of the week (0 = Sunday, 6 = Saturday)
     * 
     * == Hours ==           
     * %H      23                        Hours in 24-hour format (two digits)
     * %#H     3                         Hours in 24-hour integer format (one or two digits)
     * %I      11                        Hours in 12-hour format (two digits)
     * %#I     3                         Hours in 12-hour integer format (one or two digits)
     * %p      PM                        AM or PM
     * 
     * == Minutes ==         
     * %M      09                        Minutes (two digits)
     * %#M     9                         Minutes (one or two digits)
     * 
     * == Seconds ==         
     * %S      02                        Seconds (two digits)
     * %#S     2                         Seconds (one or two digits)
     * %s      1206567625723             Unix timestamp (Seconds past 1970-01-01 00:00:00)
     * 
     * == Milliseconds ==    
     * %N      008                       Milliseconds (three digits)
     * %#N     8                         Milliseconds (one to three digits)
     * 
     * == Timezone ==        
     * %O      360                       difference in minutes between local time and GMT
     * %Z      Mountain Standard Time    Name of timezone as reported by browser
     * %G      06:00                     Hours and minutes between GMT
     * 
     * == Shortcuts ==       
     * %F      2008-03-26                %Y-%m-%d
     * %T      05:06:30                  %H:%M:%S
     * %X      05:06:30                  %H:%M:%S
     * %x      03/26/08                  %m/%d/%y
     * %D      03/26/08                  %m/%d/%y
     * %#c     Wed Mar 26 15:31:00 2008  %a %b %e %H:%M:%S %Y
     * %v      3-Sep-2008                %e-%b-%Y
     * %R      15:31                     %H:%M
     * %r      03:31:00 PM               %I:%M:%S %p
     * 
     * == Characters ==      
     * %n      \n                        Newline
     * %t      \t                        Tab
     * %%      %                         Percent Symbol
     * </pre>
     * 
     * <p>Formatting shortcuts that will be translated into their longer version.
     * Be sure that format shortcuts do not refer to themselves: this will cause an infinite loop.</p>
     * 
     * <p>Format codes and format shortcuts can be redefined after the jsDate
     * module is imported.</p>
     * 
     * <p>Note that if you redefine the whole hash (object), you must supply a "matcher"
     * regex for the parser.  The default matcher is:</p>
     * 
     * <code>/()%(#?(%|[a-z]))/i</code>
     * 
     * <p>which corresponds to the Perl syntax used by default.</p>
     * 
     * <p>By customizing the matcher and format codes, nearly any strftime functionality is possible.</p>
     */
     
    jsDate.formats.perl = {
        codes: {
            //
            // 2-part regex matcher for format codes
            //
            // first match must be the character before the code (to account for escaping)
            // second match must be the format code character(s)
            //
            matcher: /()%(#?(%|[a-z]))/i,
            // year
            Y: 'FullYear',
            y: 'ShortYear.2',
            // month
            m: 'MonthNumber.2',
            '#m': 'MonthNumber',
            B: 'MonthName',
            b: 'AbbrMonthName',
            // day
            d: 'Date.2',
            '#d': 'Date',
            e: 'Date',
            A: 'DayName',
            a: 'AbbrDayName',
            w: 'Day',
            // hours
            H: 'Hours.2',
            '#H': 'Hours',
            I: 'Hours12.2',
            '#I': 'Hours12',
            p: 'AMPM',
            // minutes
            M: 'Minutes.2',
            '#M': 'Minutes',
            // seconds
            S: 'Seconds.2',
            '#S': 'Seconds',
            s: 'Unix',
            // milliseconds
            N: 'Milliseconds.3',
            '#N': 'Milliseconds',
            // timezone
            O: 'TimezoneOffset',
            Z: 'TimezoneName',
            G: 'GmtOffset'  
        },
        
        shortcuts: {
            // date
            F: '%Y-%m-%d',
            // time
            T: '%H:%M:%S',
            X: '%H:%M:%S',
            // local format date
            x: '%m/%d/%y',
            D: '%m/%d/%y',
            // local format extended
            '#c': '%a %b %e %H:%M:%S %Y',
            // local format short
            v: '%e-%b-%Y',
            R: '%H:%M',
            r: '%I:%M:%S %p',
            // tab and newline
            t: '\t',
            n: '\n',
            '%': '%'
        }
    };
    
    /**
     * PHP format codes and shortcuts for strftime.
     * 
     * A hash (object) of codes where each code must be an array where the first member is 
     * the name of a Date.prototype or jsDate.prototype function to call
     * and optionally a second member indicating the number to pass to addZeros()
     * 
     * <p>The following format codes are defined:</p>
     * 
     * <pre class="code">
     * Code    Result                    Description
     * === Days ===        
     * %a      Sun through Sat           An abbreviated textual representation of the day
     * %A      Sunday - Saturday         A full textual representation of the day
     * %d      01 to 31                  Two-digit day of the month (with leading zeros)
     * %e      1 to 31                   Day of the month, with a space preceding single digits.
     * %j      001 to 366                Day of the year, 3 digits with leading zeros
     * %u      1 - 7 (Mon - Sun)         ISO-8601 numeric representation of the day of the week
     * %w      0 - 6 (Sun - Sat)         Numeric representation of the day of the week
     *                                  
     * === Week ===                     
     * %U      13                        Full Week number, starting with the first Sunday as the first week
     * %V      01 through 53             ISO-8601:1988 week number, starting with the first week of the year 
     *                                   with at least 4 weekdays, with Monday being the start of the week
     * %W      46                        A numeric representation of the week of the year, 
     *                                   starting with the first Monday as the first week
     * === Month ===                    
     * %b      Jan through Dec           Abbreviated month name, based on the locale
     * %B      January - December        Full month name, based on the locale
     * %h      Jan through Dec           Abbreviated month name, based on the locale (an alias of %b)
     * %m      01 - 12 (Jan - Dec)       Two digit representation of the month
     * 
     * === Year ===                     
     * %C      19                        Two digit century (year/100, truncated to an integer)
     * %y      09 for 2009               Two digit year
     * %Y      2038                      Four digit year
     * 
     * === Time ===                     
     * %H      00 through 23             Two digit representation of the hour in 24-hour format
     * %I      01 through 12             Two digit representation of the hour in 12-hour format
     * %l      1 through 12              Hour in 12-hour format, with a space preceeding single digits
     * %M      00 through 59             Two digit representation of the minute
     * %p      AM/PM                     UPPER-CASE 'AM' or 'PM' based on the given time
     * %P      am/pm                     lower-case 'am' or 'pm' based on the given time
     * %r      09:34:17 PM               Same as %I:%M:%S %p
     * %R      00:35                     Same as %H:%M
     * %S      00 through 59             Two digit representation of the second
     * %T      21:34:17                  Same as %H:%M:%S
     * %X      03:59:16                  Preferred time representation based on locale, without the date
     * %z      -0500 or EST              Either the time zone offset from UTC or the abbreviation
     * %Z      -0500 or EST              The time zone offset/abbreviation option NOT given by %z
     * 
     * === Time and Date ===            
     * %D      02/05/09                  Same as %m/%d/%y
     * %F      2009-02-05                Same as %Y-%m-%d (commonly used in database datestamps)
     * %s      305815200                 Unix Epoch Time timestamp (same as the time() function)
     * %x      02/05/09                  Preferred date representation, without the time
     * 
     * === Miscellaneous ===            
     * %n        ---                     A newline character (\n)
     * %t        ---                     A Tab character (\t)
     * %%        ---                     A literal percentage character (%)
     * </pre>
     */
 
    jsDate.formats.php = {
        codes: {
            //
            // 2-part regex matcher for format codes
            //
            // first match must be the character before the code (to account for escaping)
            // second match must be the format code character(s)
            //
            matcher: /()%((%|[a-z]))/i,
            // day
            a: 'AbbrDayName',
            A: 'DayName',
            d: 'Date.2',
            e: 'Date',
            j: 'DayOfYear.3',
            u: 'DayOfWeek',
            w: 'Day',
            // week
            U: 'FullWeekOfYear.2',
            V: 'IsoWeek.2',
            W: 'WeekOfYear.2',
            // month
            b: 'AbbrMonthName',
            B: 'MonthName',
            m: 'MonthNumber.2',
            h: 'AbbrMonthName',
            // year
            C: 'Century.2',
            y: 'ShortYear.2',
            Y: 'FullYear',
            // time
            H: 'Hours.2',
            I: 'Hours12.2',
            l: 'Hours12',
            p: 'AMPM',
            P: 'AmPm',
            M: 'Minutes.2',
            S: 'Seconds.2',
            s: 'Unix',
            O: 'TimezoneOffset',
            z: 'GmtOffset',
            Z: 'TimezoneAbbr'
        },
        
        shortcuts: {
            D: '%m/%d/%y',
            F: '%Y-%m-%d',
            T: '%H:%M:%S',
            X: '%H:%M:%S',
            x: '%m/%d/%y',
            R: '%H:%M',
            r: '%I:%M:%S %p',
            t: '\t',
            n: '\n',
            '%': '%'
        }
    };   
    //
    // Conceptually, the logic implemented here is similar to Ken Snyder's Date Instance Methods.
    // I use his idea of a set of parsers which can be regular expressions or functions,
    // iterating through those, and then seeing if Date.parse() will create a date.
    // The parser expressions and functions are a little different and some bugs have been
    // worked out.  Also, a lot of "pre-parsing" is done to fix implementation
    // variations of Date.parse() between browsers.
    //
    jsDate.createDate = function(date) {
        // if passing in multiple arguments, try Date constructor
        if (date == null) {
            return new Date();
        }
        // If the passed value is already a date object, return it
        if (date instanceof Date) {
            return date;
        }
        // if (typeof date == 'number') return new Date(date * 1000);
        // If the passed value is an integer, interpret it as a javascript timestamp
        if (typeof date == 'number') {
            return new Date(date);
        }
        
        // Before passing strings into Date.parse(), have to normalize them for certain conditions.
        // If strings are not formatted staccording to the EcmaScript spec, results from Date parse will be implementation dependent.  
        // 
        // For example: 
        //  * FF and Opera assume 2 digit dates are pre y2k, Chome assumes <50 is pre y2k, 50+ is 21st century.  
        //  * Chrome will correctly parse '1984-1-25' into localtime, FF and Opera will not parse.
        //  * Both FF, Chrome and Opera will parse '1984/1/25' into localtime.
        
        // remove leading and trailing spaces
        var parsable = String(date).replace(/^\s*(.+)\s*$/g, '$1');
        
        // replace dahses (-) with slashes (/) in dates like n[nnn]/n[n]/n[nnn]
        parsable = parsable.replace(/^([0-9]{1,4})-([0-9]{1,2})-([0-9]{1,4})/, "$1/$2/$3");
        
        /////////
        // Need to check for '15-Dec-09' also.
        // FF will not parse, but Chrome will.
        // Chrome will set date to 2009 as well.
        /////////
        
        // first check for 'dd-mmm-yyyy' or 'dd/mmm/yyyy' like '15-Dec-2010'
        parsable = parsable.replace(/^(3[01]|[0-2]?\d)[-\/]([a-z]{3,})[-\/](\d{4})/i, "$1 $2 $3");
        
        // Now check for 'dd-mmm-yy' or 'dd/mmm/yy' and normalize years to default century.
        var match = parsable.match(/^(3[01]|[0-2]?\d)[-\/]([a-z]{3,})[-\/](\d{2})\D*/i);
        if (match && match.length > 3) {
            var m3 = parseFloat(match[3]);
            var ny = jsDate.config.defaultCentury + m3;
            ny = String(ny);
            
            // now replace 2 digit year with 4 digit year
            parsable = parsable.replace(/^(3[01]|[0-2]?\d)[-\/]([a-z]{3,})[-\/](\d{2})\D*/i, match[1] +' '+ match[2] +' '+ ny);
            
        }
        
        // Check for '1/19/70 8:14PM'
        // where starts with mm/dd/yy or yy/mm/dd and have something after
        // Check if 1st postiion is greater than 31, assume it is year.
        // Assme all 2 digit years are 1900's.
        // Finally, change them into US style mm/dd/yyyy representations.
        match = parsable.match(/^([0-9]{1,2})[-\/]([0-9]{1,2})[-\/]([0-9]{1,2})[^0-9]/);
        
        function h1(parsable, match) {
            var m1 = parseFloat(match[1]);
            var m2 = parseFloat(match[2]);
            var m3 = parseFloat(match[3]);
            var cent = jsDate.config.defaultCentury;
            var ny, nd, nm, str;
            
            if (m1 > 31) { // first number is a year
                nd = m3;
                nm = m2;
                ny = cent + m1;
            }
            
            else { // last number is the year
                nd = m2;
                nm = m1;
                ny = cent + m3;
            }
            
            str = nm+'/'+nd+'/'+ny;
            
            // now replace 2 digit year with 4 digit year
            return  parsable.replace(/^([0-9]{1,2})[-\/]([0-9]{1,2})[-\/]([0-9]{1,2})/, str);
        
        }
        
        if (match && match.length > 3) {
            parsable = h1(parsable, match);
        }
        
        // Now check for '1/19/70' with nothing after and do as above
        var match = parsable.match(/^([0-9]{1,2})[-\/]([0-9]{1,2})[-\/]([0-9]{1,2})$/);
        
        if (match && match.length > 3) {
            parsable = h1(parsable, match);
        }
                
        
        var i = 0;
        var length = jsDate.matchers.length;
        var pattern,
            ms,
            current = parsable,
            obj;
        while (i < length) {
            ms = Date.parse(current);
            if (!isNaN(ms)) {
                return new Date(ms);
            }
            pattern = jsDate.matchers[i];
            if (typeof pattern == 'function') {
                obj = pattern.call(jsDate, current);
                if (obj instanceof Date) {
                    return obj;
                }
            } else {
                current = parsable.replace(pattern[0], pattern[1]);
            }
            i++;
        }
        return NaN;
    };
    

    /**
     * @static
     * Handy static utility function to return the number of days in a given month.
     * @param {Integer} year Year
     * @param {Integer} month Month (1-12)
     * @returns {Integer} Number of days in the month.
    */
    //
    // handy utility method Borrowed right from Ken Snyder's Date Instance Mehtods.
    // 
    jsDate.daysInMonth = function(year, month) {
        if (month == 2) {
            return new Date(year, 1, 29).getDate() == 29 ? 29 : 28;
        }
        return [undefined,31,undefined,31,30,31,30,31,31,30,31,30,31][month];
    };


    //
    // An Array of regular expressions or functions that will attempt to match the date string.
    // Functions are called with scope of a jsDate instance.
    //
    jsDate.matchers = [
        // convert dd.mmm.yyyy to mm/dd/yyyy (world date to US date).
        [/(3[01]|[0-2]\d)\s*\.\s*(1[0-2]|0\d)\s*\.\s*([1-9]\d{3})/, '$2/$1/$3'],
        // convert yyyy-mm-dd to mm/dd/yyyy (ISO date to US date).
        [/([1-9]\d{3})\s*-\s*(1[0-2]|0\d)\s*-\s*(3[01]|[0-2]\d)/, '$2/$3/$1'],
        // Handle 12 hour or 24 hour time with milliseconds am/pm and optional date part.
        function(str) { 
            var match = str.match(/^(?:(.+)\s+)?([012]?\d)(?:\s*\:\s*(\d\d))?(?:\s*\:\s*(\d\d(\.\d*)?))?\s*(am|pm)?\s*$/i);
            //                   opt. date      hour       opt. minute     opt. second       opt. msec   opt. am or pm
            if (match) {
                if (match[1]) {
                    var d = this.createDate(match[1]);
                    if (isNaN(d)) {
                        return;
                    }
                } else {
                    var d = new Date();
                    d.setMilliseconds(0);
                }
                var hour = parseFloat(match[2]);
                if (match[6]) {
                    hour = match[6].toLowerCase() == 'am' ? (hour == 12 ? 0 : hour) : (hour == 12 ? 12 : hour + 12);
                }
                d.setHours(hour, parseInt(match[3] || 0, 10), parseInt(match[4] || 0, 10), ((parseFloat(match[5] || 0)) || 0)*1000);
                return d;
            }
            else {
                return str;
            }
        },
        // Handle ISO timestamp with time zone.
        function(str) {
            var match = str.match(/^(?:(.+))[T|\s+]([012]\d)(?:\:(\d\d))(?:\:(\d\d))(?:\.\d+)([\+\-]\d\d\:\d\d)$/i);
            if (match) {
                if (match[1]) {
                    var d = this.createDate(match[1]);
                    if (isNaN(d)) {
                        return;
                    }
                } else {
                    var d = new Date();
                    d.setMilliseconds(0);
                }
                var hour = parseFloat(match[2]);
                d.setHours(hour, parseInt(match[3], 10), parseInt(match[4], 10), parseFloat(match[5])*1000);
                return d;
            }
            else {
                    return str;
            }
        },
        // Try to match ambiguous strings like 12/8/22.
        // Use FF date assumption that 2 digit years are 20th century (i.e. 1900's).
        // This may be redundant with pre processing of date already performed.
        function(str) {
            var match = str.match(/^([0-3]?\d)\s*[-\/.\s]{1}\s*([a-zA-Z]{3,9})\s*[-\/.\s]{1}\s*([0-3]?\d)$/);
            if (match) {
                var d = new Date();
                var cent = jsDate.config.defaultCentury;
                var m1 = parseFloat(match[1]);
                var m3 = parseFloat(match[3]);
                var ny, nd, nm;
                if (m1 > 31) { // first number is a year
                    nd = m3;
                    ny = cent + m1;
                }
                
                else { // last number is the year
                    nd = m1;
                    ny = cent + m3;
                }
                
                var nm = inArray(match[2], jsDate.regional[jsDate.regional.getLocale()]["monthNamesShort"]);
                
                if (nm == -1) {
                    nm = inArray(match[2], jsDate.regional[jsDate.regional.getLocale()]["monthNames"]);
                }
            
                d.setFullYear(ny, nm, nd);
                d.setHours(0,0,0,0);
                return d;
            }
            
            else {
                return str;
            }
        }      
    ];

    //
    // I think John Reisig published this method on his blog, ejohn.
    //
    function inArray( elem, array ) {
        if ( array.indexOf ) {
            return array.indexOf( elem );
        }

        for ( var i = 0, length = array.length; i < length; i++ ) {
            if ( array[ i ] === elem ) {
                return i;
            }
        }

        return -1;
    }
    
    //
    // Thanks to Kangax, Christian Sciberras and Stack Overflow for this method.
    //
    function get_type(thing){
        if(thing===null) return "[object Null]"; // special case
        return Object.prototype.toString.call(thing);
    }
    
    $.jsDate = jsDate;

      
    /**
     * JavaScript printf/sprintf functions.
     * 
     * This code has been adapted from the publicly available sprintf methods
     * by Ash Searle. His original header follows:
     *
     *     This code is unrestricted: you are free to use it however you like.
     *     
     *     The functions should work as expected, performing left or right alignment,
     *     truncating strings, outputting numbers with a required precision etc.
     *
     *     For complex cases, these functions follow the Perl implementations of
     *     (s)printf, allowing arguments to be passed out-of-order, and to set the
     *     precision or length of the output based on arguments instead of fixed
     *     numbers.
     *
     *     See http://perldoc.perl.org/functions/sprintf.html for more information.
     *
     *     Implemented:
     *     - zero and space-padding
     *     - right and left-alignment,
     *     - base X prefix (binary, octal and hex)
     *     - positive number prefix
     *     - (minimum) width
     *     - precision / truncation / maximum width
     *     - out of order arguments
     *
     *     Not implemented (yet):
     *     - vector flag
     *     - size (bytes, words, long-words etc.)
     *     
     *     Will not implement:
     *     - %n or %p (no pass-by-reference in JavaScript)
     *
     *     @version 2007.04.27
     *     @author Ash Searle 
     * 
     * You can see the original work and comments on his blog:
     * http://hexmen.com/blog/2007/03/printf-sprintf/
     * http://hexmen.com/js/sprintf.js
     */
     
     /**
      * @Modifications 2009.05.26
      * @author Chris Leonello
      * 
      * Added %p %P specifier
      * Acts like %g or %G but will not add more significant digits to the output than present in the input.
      * Example:
      * Format: '%.3p', Input: 0.012, Output: 0.012
      * Format: '%.3g', Input: 0.012, Output: 0.0120
      * Format: '%.4p', Input: 12.0, Output: 12.0
      * Format: '%.4g', Input: 12.0, Output: 12.00
      * Format: '%.4p', Input: 4.321e-5, Output: 4.321e-5
      * Format: '%.4g', Input: 4.321e-5, Output: 4.3210e-5
      * 
      * Example:
      * >>> $.jqplot.sprintf('%.2f, %d', 23.3452, 43.23)
      * "23.35, 43"
      * >>> $.jqplot.sprintf("no value: %n, decimal with thousands separator: %'d", 23.3452, 433524)
      * "no value: , decimal with thousands separator: 433,524"
      */
    $.jqplot.sprintf = function() {
        function pad(str, len, chr, leftJustify) {
            var padding = (str.length >= len) ? '' : Array(1 + len - str.length >>> 0).join(chr);
            return leftJustify ? str + padding : padding + str;

        }

        function thousand_separate(value) {
            var value_str = new String(value);
            for (var i=10; i>0; i--) {
                if (value_str == (value_str = value_str.replace(/^(\d+)(\d{3})/, "$1"+$.jqplot.sprintf.thousandsSeparator+"$2"))) break;
            }
            return value_str; 
        }

        function justify(value, prefix, leftJustify, minWidth, zeroPad, htmlSpace) {
            var diff = minWidth - value.length;
            if (diff > 0) {
                var spchar = ' ';
                if (htmlSpace) { spchar = '&nbsp;'; }
                if (leftJustify || !zeroPad) {
                    value = pad(value, minWidth, spchar, leftJustify);
                } else {
                    value = value.slice(0, prefix.length) + pad('', diff, '0', true) + value.slice(prefix.length);
                }
            }
            return value;
        }

        function formatBaseX(value, base, prefix, leftJustify, minWidth, precision, zeroPad, htmlSpace) {
            // Note: casts negative numbers to positive ones
            var number = value >>> 0;
            prefix = prefix && number && {'2': '0b', '8': '0', '16': '0x'}[base] || '';
            value = prefix + pad(number.toString(base), precision || 0, '0', false);
            return justify(value, prefix, leftJustify, minWidth, zeroPad, htmlSpace);
        }

        function formatString(value, leftJustify, minWidth, precision, zeroPad, htmlSpace) {
            if (precision != null) {
                value = value.slice(0, precision);
            }
            return justify(value, '', leftJustify, minWidth, zeroPad, htmlSpace);
        }

        var a = arguments, i = 0, format = a[i++];

        return format.replace($.jqplot.sprintf.regex, function(substring, valueIndex, flags, minWidth, _, precision, type) {
            if (substring == '%%') { return '%'; }

            // parse flags
            var leftJustify = false, positivePrefix = '', zeroPad = false, prefixBaseX = false, htmlSpace = false, thousandSeparation = false;
            for (var j = 0; flags && j < flags.length; j++) switch (flags.charAt(j)) {
                case ' ': positivePrefix = ' '; break;
                case '+': positivePrefix = '+'; break;
                case '-': leftJustify = true; break;
                case '0': zeroPad = true; break;
                case '#': prefixBaseX = true; break;
                case '&': htmlSpace = true; break;
                case '\'': thousandSeparation = true; break;
            }

            // parameters may be null, undefined, empty-string or real valued
            // we want to ignore null, undefined and empty-string values

            if (!minWidth) {
                minWidth = 0;
            } 
            else if (minWidth == '*') {
                minWidth = +a[i++];
            } 
            else if (minWidth.charAt(0) == '*') {
                minWidth = +a[minWidth.slice(1, -1)];
            } 
            else {
                minWidth = +minWidth;
            }

            // Note: undocumented perl feature:
            if (minWidth < 0) {
                minWidth = -minWidth;
                leftJustify = true;
            }

            if (!isFinite(minWidth)) {
                throw new Error('$.jqplot.sprintf: (minimum-)width must be finite');
            }

            if (!precision) {
                precision = 'fFeE'.indexOf(type) > -1 ? 6 : (type == 'd') ? 0 : void(0);
            } 
            else if (precision == '*') {
                precision = +a[i++];
            } 
            else if (precision.charAt(0) == '*') {
                precision = +a[precision.slice(1, -1)];
            } 
            else {
                precision = +precision;
            }

            // grab value using valueIndex if required?
            var value = valueIndex ? a[valueIndex.slice(0, -1)] : a[i++];

            switch (type) {
            case 's': {
                if (value == null) {
                    return '';
                }
                return formatString(String(value), leftJustify, minWidth, precision, zeroPad, htmlSpace);
            }
            case 'c': return formatString(String.fromCharCode(+value), leftJustify, minWidth, precision, zeroPad, htmlSpace);
            case 'b': return formatBaseX(value, 2, prefixBaseX, leftJustify, minWidth, precision, zeroPad,htmlSpace);
            case 'o': return formatBaseX(value, 8, prefixBaseX, leftJustify, minWidth, precision, zeroPad, htmlSpace);
            case 'x': return formatBaseX(value, 16, prefixBaseX, leftJustify, minWidth, precision, zeroPad, htmlSpace);
            case 'X': return formatBaseX(value, 16, prefixBaseX, leftJustify, minWidth, precision, zeroPad, htmlSpace).toUpperCase();
            case 'u': return formatBaseX(value, 10, prefixBaseX, leftJustify, minWidth, precision, zeroPad, htmlSpace);
            case 'i': {
              var number = parseInt(+value, 10);
              if (isNaN(number)) {
                return '';
              }
              var prefix = number < 0 ? '-' : positivePrefix;
              var number_str = thousandSeparation ? thousand_separate(String(Math.abs(number))): String(Math.abs(number));
              value = prefix + pad(number_str, precision, '0', false);
              //value = prefix + pad(String(Math.abs(number)), precision, '0', false);
              return justify(value, prefix, leftJustify, minWidth, zeroPad, htmlSpace);
                  }
            case 'd': {
              var number = Math.round(+value);
              if (isNaN(number)) {
                return '';
              }
              var prefix = number < 0 ? '-' : positivePrefix;
              var number_str = thousandSeparation ? thousand_separate(String(Math.abs(number))): String(Math.abs(number));
              value = prefix + pad(number_str, precision, '0', false);
              return justify(value, prefix, leftJustify, minWidth, zeroPad, htmlSpace);
                  }
            case 'e':
            case 'E':
            case 'f':
            case 'F':
            case 'g':
            case 'G':
                      {
                      var number = +value;
                      if (isNaN(number)) {
                          return '';
                      }
                      var prefix = number < 0 ? '-' : positivePrefix;
                      var method = ['toExponential', 'toFixed', 'toPrecision']['efg'.indexOf(type.toLowerCase())];
                      var textTransform = ['toString', 'toUpperCase']['eEfFgG'.indexOf(type) % 2];
                      var number_str = Math.abs(number)[method](precision);
                      
                      // Apply the decimal mark properly by splitting the number by the
                      //   decimalMark, applying thousands separator, and then placing it
                      //   back in.
                      var parts = number_str.toString().split('.');
                      parts[0] = thousandSeparation ? thousand_separate(parts[0]) : parts[0];
                      number_str = parts.join($.jqplot.sprintf.decimalMark);
                      
                      value = prefix + number_str;
                      var justified = justify(value, prefix, leftJustify, minWidth, zeroPad, htmlSpace)[textTransform]();
                      
                      return justified;
                  }
            case 'p':
            case 'P':
            {
                // make sure number is a number
                var number = +value;
                if (isNaN(number)) {
                    return '';
                }
                var prefix = number < 0 ? '-' : positivePrefix;

                var parts = String(Number(Math.abs(number)).toExponential()).split(/e|E/);
                var sd = (parts[0].indexOf('.') != -1) ? parts[0].length - 1 : String(number).length;
                var zeros = (parts[1] < 0) ? -parts[1] - 1 : 0;
                
                if (Math.abs(number) < 1) {
                    if (sd + zeros  <= precision) {
                        value = prefix + Math.abs(number).toPrecision(sd);
                    }
                    else {
                        if (sd  <= precision - 1) {
                            value = prefix + Math.abs(number).toExponential(sd-1);
                        }
                        else {
                            value = prefix + Math.abs(number).toExponential(precision-1);
                        }
                    }
                }
                else {
                    var prec = (sd <= precision) ? sd : precision;
                    value = prefix + Math.abs(number).toPrecision(prec);
                }
                var textTransform = ['toString', 'toUpperCase']['pP'.indexOf(type) % 2];
                return justify(value, prefix, leftJustify, minWidth, zeroPad, htmlSpace)[textTransform]();
            }
            case 'n': return '';
            default: return substring;
            }
        });
    };

    $.jqplot.sprintf.thousandsSeparator = ',';
    // Specifies the decimal mark for floating point values. By default a period '.'
    // is used. If you change this value to for example a comma be sure to also
    // change the thousands separator or else this won't work since a simple String
    // replace is used (replacing all periods with the mark specified here).
    $.jqplot.sprintf.decimalMark = '.';
    
    $.jqplot.sprintf.regex = /%%|%(\d+\$)?([-+#0&\' ]*)(\*\d+\$|\*|\d+)?(\.(\*\d+\$|\*|\d+))?([nAscboxXuidfegpEGP])/g;

    $.jqplot.getSignificantFigures = function(number) {
        var parts = String(Number(Math.abs(number)).toExponential()).split(/e|E/);
        // total significant digits
        var sd = (parts[0].indexOf('.') != -1) ? parts[0].length - 1 : parts[0].length;
        var zeros = (parts[1] < 0) ? -parts[1] - 1 : 0;
        // exponent
        var expn = parseInt(parts[1], 10);
        // digits to the left of the decimal place
        var dleft = (expn + 1 > 0) ? expn + 1 : 0;
        // digits to the right of the decimal place
        var dright = (sd <= dleft) ? 0 : sd - expn - 1;
        return {significantDigits: sd, digitsLeft: dleft, digitsRight: dright, zeros: zeros, exponent: expn} ;
    };

    $.jqplot.getPrecision = function(number) {
        return $.jqplot.getSignificantFigures(number).digitsRight;
    };

  


    var backCompat = $.uiBackCompat !== false;

    $.jqplot.effects = {
        effect: {}
    };

    // prefix used for storing data on .data()
    var dataSpace = "jqplot.storage.";

    /******************************************************************************/
    /*********************************** EFFECTS **********************************/
    /******************************************************************************/

    $.extend( $.jqplot.effects, {
        version: "1.9pre",

        // Saves a set of properties in a data storage
        save: function( element, set ) {
            for( var i=0; i < set.length; i++ ) {
                if ( set[ i ] !== null ) {
                    element.data( dataSpace + set[ i ], element[ 0 ].style[ set[ i ] ] );
                }
            }
        },

        // Restores a set of previously saved properties from a data storage
        restore: function( element, set ) {
            for( var i=0; i < set.length; i++ ) {
                if ( set[ i ] !== null ) {
                    element.css( set[ i ], element.data( dataSpace + set[ i ] ) );
                }
            }
        },

        setMode: function( el, mode ) {
            if (mode === "toggle") {
                mode = el.is( ":hidden" ) ? "show" : "hide";
            }
            return mode;
        },

        // Wraps the element around a wrapper that copies position properties
        createWrapper: function( element ) {

            // if the element is already wrapped, return it
            if ( element.parent().is( ".ui-effects-wrapper" )) {
                return element.parent();
            }

            // wrap the element
            var props = {
                    width: element.outerWidth(true),
                    height: element.outerHeight(true),
                    "float": element.css( "float" )
                },
                wrapper = $( "<div></div>" )
                    .addClass( "ui-effects-wrapper" )
                    .css({
                        fontSize: "100%",
                        background: "transparent",
                        border: "none",
                        margin: 0,
                        padding: 0
                    }),
                // Store the size in case width/height are defined in % - Fixes #5245
                size = {
                    width: element.width(),
                    height: element.height()
                },
                active = document.activeElement;

            element.wrap( wrapper );

            // Fixes #7595 - Elements lose focus when wrapped.
            if ( element[ 0 ] === active || $.contains( element[ 0 ], active ) ) {
                $( active ).focus();
            }

            wrapper = element.parent(); //Hotfix for jQuery 1.4 since some change in wrap() seems to actually loose the reference to the wrapped element

            // transfer positioning properties to the wrapper
            if ( element.css( "position" ) === "static" ) {
                wrapper.css({ position: "relative" });
                element.css({ position: "relative" });
            } else {
                $.extend( props, {
                    position: element.css( "position" ),
                    zIndex: element.css( "z-index" )
                });
                $.each([ "top", "left", "bottom", "right" ], function(i, pos) {
                    props[ pos ] = element.css( pos );
                    if ( isNaN( parseInt( props[ pos ], 10 ) ) ) {
                        props[ pos ] = "auto";
                    }
                });
                element.css({
                    position: "relative",
                    top: 0,
                    left: 0,
                    right: "auto",
                    bottom: "auto"
                });
            }
            element.css(size);

            return wrapper.css( props ).show();
        },

        removeWrapper: function( element ) {
            var active = document.activeElement;

            if ( element.parent().is( ".ui-effects-wrapper" ) ) {
                element.parent().replaceWith( element );

                // Fixes #7595 - Elements lose focus when wrapped.
                if ( element[ 0 ] === active || $.contains( element[ 0 ], active ) ) {
                    $( active ).focus();
                }
            }


            return element;
        }
    });

    // return an effect options object for the given parameters:
    function _normalizeArguments( effect, options, speed, callback ) {

        // short path for passing an effect options object:
        if ( $.isPlainObject( effect ) ) {
            return effect;
        }

        // convert to an object
        effect = { effect: effect };

        // catch (effect)
        if ( options === undefined ) {
            options = {};
        }

        // catch (effect, callback)
        if ( $.isFunction( options ) ) {
            callback = options;
            speed = null;
            options = {};
        }

        // catch (effect, speed, ?)
        if ( $.type( options ) === "number" || $.fx.speeds[ options ]) {
            callback = speed;
            speed = options;
            options = {};
        }

        // catch (effect, options, callback)
        if ( $.isFunction( speed ) ) {
            callback = speed;
            speed = null;
        }

        // add options to effect
        if ( options ) {
            $.extend( effect, options );
        }

        speed = speed || options.duration;
        effect.duration = $.fx.off ? 0 : typeof speed === "number"
            ? speed : speed in $.fx.speeds ? $.fx.speeds[ speed ] : $.fx.speeds._default;

        effect.complete = callback || options.complete;

        return effect;
    }

    function standardSpeed( speed ) {
        // valid standard speeds
        if ( !speed || typeof speed === "number" || $.fx.speeds[ speed ] ) {
            return true;
        }

        // invalid strings - treat as "normal" speed
        if ( typeof speed === "string" && !$.jqplot.effects.effect[ speed ] ) {
            // TODO: remove in 2.0 (#7115)
            if ( backCompat && $.jqplot.effects[ speed ] ) {
                return false;
            }
            return true;
        }

        return false;
    }

    $.fn.extend({
        jqplotEffect: function( effect, options, speed, callback ) {
            var args = _normalizeArguments.apply( this, arguments ),
                mode = args.mode,
                queue = args.queue,
                effectMethod = $.jqplot.effects.effect[ args.effect ],

                // DEPRECATED: remove in 2.0 (#7115)
                oldEffectMethod = !effectMethod && backCompat && $.jqplot.effects[ args.effect ];

            if ( $.fx.off || !( effectMethod || oldEffectMethod ) ) {
                // delegate to the original method (e.g., .show()) if possible
                if ( mode ) {
                    return this[ mode ]( args.duration, args.complete );
                } else {
                    return this.each( function() {
                        if ( args.complete ) {
                            args.complete.call( this );
                        }
                    });
                }
            }

            function run( next ) {
                var elem = $( this ),
                    complete = args.complete,
                    mode = args.mode;

                function done() {
                    if ( $.isFunction( complete ) ) {
                        complete.call( elem[0] );
                    }
                    if ( $.isFunction( next ) ) {
                        next();
                    }
                }

                // if the element is hiddden and mode is hide,
                // or element is visible and mode is show
                if ( elem.is( ":hidden" ) ? mode === "hide" : mode === "show" ) {
                    done();
                } else {
                    effectMethod.call( elem[0], args, done );
                }
            }

            // TODO: remove this check in 2.0, effectMethod will always be true
            if ( effectMethod ) {
                return queue === false ? this.each( run ) : this.queue( queue || "fx", run );
            } else {
                // DEPRECATED: remove in 2.0 (#7115)
                return oldEffectMethod.call(this, {
                    options: args,
                    duration: args.duration,
                    callback: args.complete,
                    mode: args.mode
                });
            }
        }
    });




    var rvertical = /up|down|vertical/,
        rpositivemotion = /up|left|vertical|horizontal/;

    $.jqplot.effects.effect.blind = function( o, done ) {
        // Create element
        var el = $( this ),
            props = [ "position", "top", "bottom", "left", "right", "height", "width" ],
            mode = $.jqplot.effects.setMode( el, o.mode || "hide" ),
            direction = o.direction || "up",
            vertical = rvertical.test( direction ),
            ref = vertical ? "height" : "width",
            ref2 = vertical ? "top" : "left",
            motion = rpositivemotion.test( direction ),
            animation = {},
            show = mode === "show",
            wrapper, distance, top;

        // // if already wrapped, the wrapper's properties are my property. #6245
        if ( el.parent().is( ".ui-effects-wrapper" ) ) {
            $.jqplot.effects.save( el.parent(), props );
        } else {
            $.jqplot.effects.save( el, props );
        }
        el.show();
        top = parseInt(el.css('top'), 10);
        wrapper = $.jqplot.effects.createWrapper( el ).css({
            overflow: "hidden"
        });

        distance = vertical ? wrapper[ ref ]() + top : wrapper[ ref ]();

        animation[ ref ] = show ? String(distance) : '0';
        if ( !motion ) {
            el
                .css( vertical ? "bottom" : "right", 0 )
                .css( vertical ? "top" : "left", "" )
                .css({ position: "absolute" });
            animation[ ref2 ] = show ? '0' : String(distance);
        }

        // // start at 0 if we are showing
        if ( show ) {
            wrapper.css( ref, 0 );
            if ( ! motion ) {
                wrapper.css( ref2, distance );
            }
        }

        // // Animate
        wrapper.animate( animation, {
            duration: o.duration,
            easing: o.easing,
            queue: false,
            complete: function() {
                if ( mode === "hide" ) {
                    el.hide();
                }
                $.jqplot.effects.restore( el, props );
                $.jqplot.effects.removeWrapper( el );
                done();
            }
        });

    };

})(jQuery);