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/**
*
* jquery.sparkline.js
*
* v2.0
* (c) Splunk, Inc
* Contact: Gareth Watts (gareth@splunk.com)
* http://omnipotent.net/jquery.sparkline/
*
* Generates inline sparkline charts from data supplied either to the method
* or inline in HTML
*
* Compatible with Internet Explorer 6.0+ and modern browsers equipped with the canvas tag
* (Firefox 2.0+, Safari, Opera, etc)
*
* License: New BSD License
*
* Copyright (c) 2012, Splunk Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without modification,
* are permitted provided that the following conditions are met:
*
* * Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright notice,
* this list of conditions and the following disclaimer in the documentation
* and/or other materials provided with the distribution.
* * Neither the name of Splunk Inc nor the names of its contributors may
* be used to endorse or promote products derived from this software without
* specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT
* SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT
* OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
*
* Usage:
* $(selector).sparkline(values, options)
*
* If values is undefined or set to 'html' then the data values are read from the specified tag:
* Sparkline: 1,4,6,6,8,5,3,5
* $('.sparkline').sparkline();
* There must be no spaces in the enclosed data set
*
* Otherwise values must be an array of numbers or null values
* Sparkline: This text replaced if the browser is compatible
* $('#sparkline1').sparkline([1,4,6,6,8,5,3,5])
* $('#sparkline2').sparkline([1,4,6,null,null,5,3,5])
*
* Values can also be specified in an HTML comment, or as a values attribute:
* Sparkline: 
* Sparkline: 
* $('.sparkline').sparkline();
*
* For line charts, x values can also be specified:
* Sparkline: 1:1,2.7:4,3.4:6,5:6,6:8,8.7:5,9:3,10:5
* $('#sparkline1').sparkline([ [1,1], [2.7,4], [3.4,6], [5,6], [6,8], [8.7,5], [9,3], [10,5] ])
*
* By default, options should be passed in as teh second argument to the sparkline function:
* $('.sparkline').sparkline([1,2,3,4], {type: 'bar'})
*
* Options can also be set by passing them on the tag itself. This feature is disabled by default though
* as there's a slight performance overhead:
* $('.sparkline').sparkline([1,2,3,4], {enableTagOptions: true})
* Sparkline: loading
* Prefix all options supplied as tag attribute with "spark" (configurable by setting tagOptionPrefix)
*
* Supported options:
* lineColor - Color of the line used for the chart
* fillColor - Color used to fill in the chart - Set to '' or false for a transparent chart
* width - Width of the chart - Defaults to 3 times the number of values in pixels
* height - Height of the chart - Defaults to the height of the containing element
* chartRangeMin - Specify the minimum value to use for the Y range of the chart - Defaults to the minimum value supplied
* chartRangeMax - Specify the maximum value to use for the Y range of the chart - Defaults to the maximum value supplied
* chartRangeClip - Clip out of range values to the max/min specified by chartRangeMin and chartRangeMax
* chartRangeMinX - Specify the minimum value to use for the X range of the chart - Defaults to the minimum value supplied
* chartRangeMaxX - Specify the maximum value to use for the X range of the chart - Defaults to the maximum value supplied
* composite - If true then don't erase any existing chart attached to the tag, but draw
* another chart over the top - Note that width and height are ignored if an
* existing chart is detected.
* tagValuesAttribute - Name of tag attribute to check for data values - Defaults to 'values'
* enableTagOptions - Whether to check tags for sparkline options
* tagOptionPrefix - Prefix used for options supplied as tag attributes - Defaults to 'spark'
* disableHiddenCheck - If set to true, then the plugin will assume that charts will never be drawn into a
* hidden dom element, avoding a browser reflow
* disableInteraction - If set to true then all mouseover/click interaction behaviour will be disabled,
* making the plugin perform much like it did in 1.x
* disableTooltips - If set to true then tooltips will be disabled - Defaults to false (tooltips enabled)
* disableHighlight - If set to true then highlighting of selected chart elements on mouseover will be disabled
* defaults to false (highlights enabled)
* highlightLighten - Factor to lighten/darken highlighted chart values by - Defaults to 1.4 for a 40% increase
* tooltipContainer - Specify which DOM element the tooltip should be rendered into - defaults to document.body
* tooltipClassname - Optional CSS classname to apply to tooltips - If not specified then a default style will be applied
* tooltipOffsetX - How many pixels away from the mouse pointer to render the tooltip on the X axis
* tooltipOffsetY - How many pixels away from the mouse pointer to render the tooltip on the r axis
* tooltipFormatter - Optional callback that allows you to override the HTML displayed in the tooltip
* callback is given arguments of (sparkline, options, fields)
* tooltipChartTitle - If specified then the tooltip uses the string specified by this setting as a title
* tooltipFormat - A format string or SPFormat object (or an array thereof for multiple entries)
* to control the format of the tooltip
* tooltipPrefix - A string to prepend to each field displayed in a tooltip
* tooltipSuffix - A string to append to each field displayed in a tooltip
* tooltipSkipNull - If true then null values will not have a tooltip displayed (defaults to true)
* tooltipValueLookups - An object or range map to map field values to tooltip strings
* (eg. to map -1 to "Lost", 0 to "Draw", and 1 to "Win")
* numberFormatter - Optional callback for formatting numbers in tooltips
* numberDigitGroupSep - Character to use for group separator in numbers "1,234" - Defaults to ","
* numberDecimalMark - Character to use for the decimal point when formatting numbers - Defaults to "."
* numberDigitGroupCount - Number of digits between group separator - Defaults to 3
*
* There are 7 types of sparkline, selected by supplying a "type" option of 'line' (default),
* 'bar', 'tristate', 'bullet', 'discrete', 'pie' or 'box'
* line - Line chart. Options:
* spotColor - Set to '' to not end each line in a circular spot
* minSpotColor - If set, color of spot at minimum value
* maxSpotColor - If set, color of spot at maximum value
* spotRadius - Radius in pixels
* lineWidth - Width of line in pixels
* normalRangeMin
* normalRangeMax - If set draws a filled horizontal bar between these two values marking the "normal"
* or expected range of values
* normalRangeColor - Color to use for the above bar
* drawNormalOnTop - Draw the normal range above the chart fill color if true
* defaultPixelsPerValue - Defaults to 3 pixels of width for each value in the chart
* highlightSpotColor - The color to use for drawing a highlight spot on mouseover - Set to null to disable
* highlightLineColor - The color to use for drawing a highlight line on mouseover - Set to null to disable
* valueSpots - Specify which points to draw spots on, and in which color. Accepts a range map
*
* bar - Bar chart. Options:
* barColor - Color of bars for postive values
* negBarColor - Color of bars for negative values
* zeroColor - Color of bars with zero values
* nullColor - Color of bars with null values - Defaults to omitting the bar entirely
* barWidth - Width of bars in pixels
* colorMap - Optional mappnig of values to colors to override the *BarColor values above
* can be an Array of values to control the color of individual bars or a range map
* to specify colors for individual ranges of values
* barSpacing - Gap between bars in pixels
* zeroAxis - Centers the y-axis around zero if true
*
* tristate - Charts values of win (>0), lose (<0) or draw (=0)
* posBarColor - Color of win values
* negBarColor - Color of lose values
* zeroBarColor - Color of draw values
* barWidth - Width of bars in pixels
* barSpacing - Gap between bars in pixels
* colorMap - Optional mappnig of values to colors to override the *BarColor values above
* can be an Array of values to control the color of individual bars or a range map
* to specify colors for individual ranges of values
*
* discrete - Options:
* lineHeight - Height of each line in pixels - Defaults to 30% of the graph height
* thesholdValue - Values less than this value will be drawn using thresholdColor instead of lineColor
* thresholdColor
*
* bullet - Values for bullet graphs msut be in the order: target, performance, range1, range2, range3, ...
* options:
* targetColor - The color of the vertical target marker
* targetWidth - The width of the target marker in pixels
* performanceColor - The color of the performance measure horizontal bar
* rangeColors - Colors to use for each qualitative range background color
*
* pie - Pie chart. Options:
* sliceColors - An array of colors to use for pie slices
* offset - Angle in degrees to offset the first slice - Try -90 or +90
* borderWidth - Width of border to draw around the pie chart, in pixels - Defaults to 0 (no border)
* borderColor - Color to use for the pie chart border - Defaults to #000
*
* box - Box plot. Options:
* raw - Set to true to supply pre-computed plot points as values
* values should be: low_outlier, low_whisker, q1, median, q3, high_whisker, high_outlier
* When set to false you can supply any number of values and the box plot will
* be computed for you. Default is false.
* showOutliers - Set to true (default) to display outliers as circles
* outlierIRQ - Interquartile range used to determine outliers. Default 1.5
* boxLineColor - Outline color of the box
* boxFillColor - Fill color for the box
* whiskerColor - Line color used for whiskers
* outlierLineColor - Outline color of outlier circles
* outlierFillColor - Fill color of the outlier circles
* spotRadius - Radius of outlier circles
* medianColor - Line color of the median line
* target - Draw a target cross hair at the supplied value (default undefined)
*
*
*
* Examples:
* $('#sparkline1').sparkline(myvalues, { lineColor: '#f00', fillColor: false });
* $('.barsparks').sparkline('html', { type:'bar', height:'40px', barWidth:5 });
* $('#tristate').sparkline([1,1,-1,1,0,0,-1], { type:'tristate' }):
* $('#discrete').sparkline([1,3,4,5,5,3,4,5], { type:'discrete' });
* $('#bullet').sparkline([10,12,12,9,7], { type:'bullet' });
* $('#pie').sparkline([1,1,2], { type:'pie' });
*/

/*jslint regexp: true, browser: true, jquery: true, white: true, nomen: false, plusplus: false, maxerr: 500, indent: 4 */

(function ($) {
    'use strict';

var UNSET_OPTION = {},
        getDefaults, createClass, SPFormat, clipval, quartile, normalizeValue, normalizeValues,
        remove, isNumber, all, sum, addCSS, ensureArray, formatNumber, RangeMap,
        MouseHandler, Tooltip, barHighlightMixin,
        line, bar, tristate, discrete, bullet, pie, box, defaultStyles, initStyles,
         VShape, VCanvas_base, VCanvas_canvas, VCanvas_vml, pending, shapeCount = 0;

/**
 * Default configuration settings
 */
 getDefaults = function () {
 return {
 // Settings common to most/all chart types
 common: {
 type: 'line',
 lineColor: '#00f',
 fillColor: '#cdf',
 defaultPixelsPerValue: 3,
 width: 'auto',
 height: 'auto',
 composite: false,
 tagValuesAttribute: 'values',
 tagOptionsPrefix: 'spark',
 enableTagOptions: false,
 enableHighlight: true,
 highlightLighten: 1.4,
 tooltipSkipNull: true,
 tooltipPrefix: '',
 tooltipSuffix: '',
 disableHiddenCheck: false,
 numberFormatter: false,
 numberDigitGroupCount: 3,
 numberDigitGroupSep: ',',
 numberDecimalMark: '.',
 disableTooltips: false,
 disableInteraction: false
 },
 // Defaults for line charts
 line: {
 spotColor: '#f80',
 highlightSpotColor: '#5f5',
 highlightLineColor: '#f22',
 spotRadius: 1.5,
 minSpotColor: '#f80',
 maxSpotColor: '#f80',
 lineWidth: 1,
 normalRangeMin: undefined,
 normalRangeMax: undefined,
 normalRangeColor: '#ccc',
 drawNormalOnTop: false,
 chartRangeMin: undefined,
 chartRangeMax: undefined,
 chartRangeMinX: undefined,
 chartRangeMaxX: undefined,
 tooltipFormat: new SPFormat('&#9679; {{prefix}}{{y}}{{suffix}}')
 },
 // Defaults for bar charts
 bar: {
 barColor: '#3366cc',
 negBarColor: '#f44',
 stackedBarColor: ['#3366cc', '#dc3912', '#ff9900', '#109618', '#66aa00',
 '#dd4477', '#0099c6', '#990099'],
 zeroColor: undefined,
 nullColor: undefined,
 zeroAxis: true,
 barWidth: 4,
 barSpacing: 1,
 chartRangeMax: undefined,
 chartRangeMin: undefined,
 chartRangeClip: false,
 colorMap: undefined,
 tooltipFormat: new SPFormat('&#9679; {{prefix}}{{value}}{{suffix}}')
 },
 // Defaults for tristate charts
 tristate: {
 barWidth: 4,
 barSpacing: 1,
 posBarColor: '#6f6',
 negBarColor: '#f44',
 zeroBarColor: '#999',
 colorMap: {},
 tooltipFormat: new SPFormat('&#9679; {{value:map}}'),
 tooltipValueLookups: { map: { '-1': 'Loss', '0': 'Draw', '1': 'Win' } }
 },
 // Defaults for discrete charts
 discrete: {
 lineHeight: 'auto',
 thresholdColor: undefined,
 thresholdValue: 0,
 chartRangeMax: undefined,
 chartRangeMin: undefined,
 chartRangeClip: false,
 tooltipFormat: new SPFormat('{{prefix}}{{value}}{{suffix}}')
 },
 // Defaults for bullet charts
 bullet: {
 targetColor: '#f33',
 targetWidth: 3, // width of the target bar in pixels
 performanceColor: '#33f',
 rangeColors: ['#d3dafe', '#a8b6ff', '#7f94ff'],
 base: undefined, // set this to a number to change the base start number
 tooltipFormat: new SPFormat('{{fieldkey:fields}} - {{value}}'),
 tooltipValueLookups: { fields: {r: 'Range', p: 'Performance', t: 'Target'} }
 },
 // Defaults for pie charts
 pie: {
 offset: 0,
 sliceColors: ['#3366cc', '#dc3912', '#ff9900', '#109618', '#66aa00',
 '#dd4477', '#0099c6', '#990099'],
 borderWidth: 0,
 borderColor: '#000',
 tooltipFormat: new SPFormat('&#9679; {{value}} ({{percent.1}}%)')
 },
 // Defaults for box plots
 box: {
 raw: false,
 boxLineColor: '#000',
 boxFillColor: '#cdf',
 whiskerColor: '#000',
 outlierLineColor: '#333',
 outlierFillColor: '#fff',
 medianColor: '#f00',
 showOutliers: true,
 outlierIQR: 1.5,
 spotRadius: 1.5,
 target: undefined,
 targetColor: '#4a2',
 chartRangeMax: undefined,
 chartRangeMin: undefined,
 tooltipFormat: new SPFormat('{{field:fields}}: {{value}}'),
 tooltipFormatFieldlistKey: 'field',
 tooltipValueLookups: { fields: { lq: 'Lower Quartile', med: 'Median',
 uq: 'Upper Quartile', lo: 'Left Outlier', ro: 'Right Outlier',
 lw: 'Left Whisker', rw: 'Right Whisker'} }
 }
 };
 };

// You can have tooltips use a css class other than jqstooltip by specifying tooltipClassname
    defaultStyles = '.jqstooltip { ' +
            'position: absolute;' +
            'left: 0px;' +
            'top: 0px;' +
            'visibility: hidden;' +
            'background: rgb(0, 0, 0) transparent;' +
            'background-color: rgba(0,0,0,0.6);' +
            'filter:progid:DXImageTransform.Microsoft.gradient(startColorstr=#99000000, endColorstr=#99000000);' +
            '-ms-filter: "progid:DXImageTransform.Microsoft.gradient(startColorstr=#99000000, endColorstr=#99000000)";' +
            'color: white;' +
            'font: 10px arial, san serif;' +
            'text-align: left;' +
            'white-space: nowrap;' +
            'padding: 5px;' +
            'border: 1px solid white;' +
            '}' +
            '.jqsfield { ' +
            'color: white;' +
            'font: 10px arial, san serif;' +
            'text-align: left;' +
            '}';

initStyles = function() {
        addCSS(defaultStyles);
    };

$(initStyles);

/**
     * Utilities
     */

createClass = function (/* [baseclass, [mixin, ...]], definition */) {
        var Class, args;
        Class = function () {
            this.init.apply(this, arguments);
        };
        if (arguments.length > 1) {
            if (arguments[0]) {
                Class.prototype = $.extend(new arguments[0](), arguments[arguments.length - 1]);
                Class._super = arguments[0].prototype;
            } else {
                Class.prototype = arguments[arguments.length - 1];
            }
            if (arguments.length > 2) {
                args = Array.prototype.slice.call(arguments, 1, -1);
                args.unshift(Class.prototype);
                $.extend.apply($, args);
            }
        } else {
            Class.prototype = arguments[0];
        }
        Class.prototype.cls = Class;
        return Class;
    };

/**
     * Wraps a format string for tooltips
     * {{x}}
     * {{x.2}
     * {{x:months}}
     */
    $.SPFormatClass = SPFormat = createClass({
        fre: /\{\{([\w.]+?)(:(.+?))?\}\}/g,
        precre: /(\w+)\.(\d+)/,

init: function (format, fclass) {
            this.format = format;
            this.fclass = fclass;
        },

render: function (fieldset, lookups, options) {
            var self = this,
                fields = fieldset,
                match, token, lookupkey, fieldvalue, prec;
            return this.format.replace(this.fre, function () {
                var lookup;
                token = arguments[1];
                lookupkey = arguments[3];
                match = self.precre.exec(token);
                if (match) {
                    prec = match[2];
                    token = match[1];
                } else {
                    prec = false;
                }
                fieldvalue = fields[token];
                if (fieldvalue === undefined) {
                    return '';
                }
                if (lookupkey && lookups && lookups[lookupkey]) {
                    lookup = lookups[lookupkey];
                    if (lookup.get) { // RangeMap
                        return lookups[lookupkey].get(fieldvalue) || fieldvalue;
                    } else {
                        return lookups[lookupkey][fieldvalue] || fieldvalue;
                    }
                }
                if (isNumber(fieldvalue)) {
                    if (options.get('numberFormatter')) {
                        fieldvalue = options.get('numberFormatter')(fieldvalue);
                    } else {
                        fieldvalue = formatNumber(fieldvalue, prec,
                            options.get('numberDigitGroupCount'),
                            options.get('numberDigitGroupSep'),
                            options.get('numberDecimalMark'));
                    }
                }
                return fieldvalue;
            });
        }
    });

// convience method to avoid needing the new operator
    $.spformat = function(format, fclass) {
        return new SPFormat(format, fclass);
    };

clipval = function (val, min, max) {
 if (val < min) {
 return min;
 }
 if (val > max) {
 return max;
 }
 return val;
 };

quartile = function (values, q) {
        var vl;
        if (q === 2) {
            vl = Math.floor(values.length / 2);
            return values.length % 2 ? values[vl] : (values[vl] + values[vl + 1]) / 2;
        } else {
            vl = Math.floor(values.length / 4);
            return values.length % 2 ? (values[vl * q] + values[vl * q + 1]) / 2 : values[vl * q];
        }
    };

normalizeValue = function (val) {
        var nf;
        switch (val) {
            case 'undefined':
                val = undefined;
                break;
            case 'null':
                val = null;
                break;
            case 'true':
                val = true;
                break;
            case 'false':
                val = false;
                break;
            default:
                nf = parseFloat(val);
                if (val == nf) {
                    val = nf;
                }
        }
        return val;
    };

normalizeValues = function (vals) {
        var i, result = [];
        for (i = vals.length; i--;) {
            result[i] = normalizeValue(vals[i]);
        }
        return result;
    };

remove = function (vals, filter) {
 var i, vl, result = [];
 for (i = 0, vl = vals.length; i < vl; i++) {
 if (vals[i] !== filter) {
 result.push(vals[i]);
 }
 }
 return result;
 };

isNumber = function (num) {
        return !isNaN(parseFloat(num)) && isFinite(num);
    };

formatNumber = function (num, prec, groupsize, groupsep, decsep) {
 var p, i;
 num = (prec === false ? parseFloat(num).toString() : num.toFixed(prec)).split('');
 p = (p = $.inArray('.', num)) < 0 ? num.length : p;
 if (p < num.length) {
 num[p] = decsep;
 }
 for (i = p - groupsize; i > 0; i -= groupsize) {
 num.splice(i, 0, groupsep);
 }
 return num.join('');
 };

// determine if all values of an array match a value
    // returns true if the array is empty
    all = function (val, arr, ignoreNull) {
        var i;
        for (i = arr.length; i--; ) {
            if (arr[i] !== val || (!ignoreNull && val === null)) {
                return false;
            }
        }
        return true;
    };

// sums the numeric values in an array, ignoring other values
    sum = function (vals) {
        var total = 0, i;
        for (i = vals.length; i--;) {
            total += typeof vals[i] === 'number' ? vals[i] : 0;
        }
        return total;
    };

ensureArray = function (val) {
        return $.isArray(val) ? val : [val];
    };

// http://paulirish.com/2008/bookmarklet-inject-new-css-rules/
    addCSS = function(css) {
        var tag;
        //if ('\v' == 'v') /* ie only */ {
        if (document.createStyleSheet) {
            document.createStyleSheet().cssText = css;
        } else {
            tag = document.createElement('style');
            tag.type = 'text/css';
            document.getElementsByTagName('head')[0].appendChild(tag);
            tag[(typeof document.body.style.WebkitAppearance == 'string') /* webkit only */ ? 'innerText' : 'innerHTML'] = css;
        }
    };

// Provide a cross-browser interface to a few simple drawing primitives
    $.fn.simpledraw = function (width, height, useExisting, interact) {
        var target, mhandler;
        if (useExisting && (target = this.data('_jqs_vcanvas'))) {
            return target;
        }
        if (width === undefined) {
            width = $(this).innerWidth();
        }
        if (height === undefined) {
            height = $(this).innerHeight();
        }
        if ($.browser.hasCanvas) {
            target = new VCanvas_canvas(width, height, this, interact);
        } else if ($.browser.msie) {
            target = new VCanvas_vml(width, height, this);
        } else {
            return false;
        }
        mhandler = $(this).data('_jqs_mhandler');
        if (mhandler) {
            mhandler.registerCanvas(target);
        }
        return target;
    };

$.fn.cleardraw = function () {
        var target = this.data('_jqs_vcanvas');
        if (target) {
            target.reset();
        }
    };

$.RangeMapClass = RangeMap = createClass({
        init: function (map) {
            var key, range, rangelist = [];
            for (key in map) {
                if (map.hasOwnProperty(key) && typeof key === 'string' && key.indexOf(':') > -1) {
                    range = key.split(':');
                    range[0] = range[0].length === 0 ? -Infinity : parseFloat(range[0]);
                    range[1] = range[1].length === 0 ? Infinity : parseFloat(range[1]);
                    range[2] = map[key];
                    rangelist.push(range);
                }
            }
            this.map = map;
            this.rangelist = rangelist || false;
        },

get: function (value) {
 var rangelist = this.rangelist,
 i, range, result;
 if ((result = this.map[value]) !== undefined) {
 return result;
 }
 if (rangelist) {
 for (i = rangelist.length; i--;) {
 range = rangelist[i];
 if (range[0] <= value && range[1] >= value) {
 return range[2];
 }
 }
 }
 return undefined;
 }
 });

// Convenience function
    $.range_map = function(map) {
        return new RangeMap(map);
    };

MouseHandler = createClass({
        init: function (el, options) {
            var $el = $(el);
            this.$el = $el;
            this.options = options;
            this.currentPageX = 0;
            this.currentPageY = 0;
            this.el = el;
            this.splist = [];
            this.tooltip = null;
            this.over = false;
            this.displayTooltips = !options.get('disableTooltips');
            this.highlightEnabled = !options.get('disableHighlight');
        },

registerSparkline: function (sp) {
            this.splist.push(sp);
            if (this.over) {
                this.updateDisplay();
            }
        },

registerCanvas: function (canvas) {
            var $canvas = $(canvas.canvas);
            this.canvas = canvas;
            this.$canvas = $canvas;
            $canvas.mouseenter($.proxy(this.mouseenter, this));
            $canvas.mouseleave($.proxy(this.mouseleave, this));
            $canvas.click($.proxy(this.mouseclick, this));
        },

reset: function (removeTooltip) {
            this.splist = [];
            if (this.tooltip && removeTooltip) {
                this.tooltip.remove();
                this.tooltip = undefined;
            }
        },

mouseclick: function (e) {
            var clickEvent = $.Event('sparklineClick');
            clickEvent.originalEvent = e;
            clickEvent.sparklines = this.splist;
            this.$el.trigger(clickEvent);
        },

mouseenter: function (e) {
            $(document.body).unbind('mousemove.jqs');
            $(document.body).bind('mousemove.jqs', $.proxy(this.mousemove, this));
            this.over = true;
            this.currentPageX = e.pageX;
            this.currentPageY = e.pageY;
            this.currentEl = e.target;
            if (!this.tooltip && this.displayTooltips) {
                this.tooltip = new Tooltip(this.options);
                this.tooltip.updatePosition(e.pageX, e.pageY);
            }
            this.updateDisplay();
        },

mouseleave: function () {
            $(document.body).unbind('mousemove.jqs');
            var splist = this.splist,
                 spcount = splist.length,
                 needsRefresh = false,
                 sp, i;
            this.over = false;
            this.currentEl = null;

if (this.tooltip) {
                this.tooltip.remove();
                this.tooltip = null;
            }

for (i = 0; i < spcount; i++) {
 sp = splist[i];
 if (sp.clearRegionHighlight()) {
 needsRefresh = true;
 }
 }

if (needsRefresh) {
                this.canvas.render();
            }
        },

mousemove: function (e) {
            this.currentPageX = e.pageX;
            this.currentPageY = e.pageY;
            this.currentEl = e.target;
            if (this.tooltip) {
                this.tooltip.updatePosition(e.pageX, e.pageY);
            }
            this.updateDisplay();
        },

updateDisplay: function () {
 var splist = this.splist,
 spcount = splist.length,
 needsRefresh = false,
 offset = this.$canvas.offset(),
 localX = this.currentPageX - offset.left,
 localY = this.currentPageY - offset.top,
 tooltiphtml, sp, i, result, changeEvent;
 if (!this.over) {
 return;
 }
 for (i = 0; i < spcount; i++) {
 sp = splist[i];
 result = sp.setRegionHighlight(this.currentEl, localX, localY);
 if (result) {
 needsRefresh = true;
 }
 }
 if (needsRefresh) {
 changeEvent = $.Event('sparklineRegionChange');
 changeEvent.sparklines = this.splist;
 this.$el.trigger(changeEvent);
 if (this.tooltip) {
 tooltiphtml = '';
 for (i = 0; i < spcount; i++) {
 sp = splist[i];
 tooltiphtml += sp.getCurrentRegionTooltip();
 }
 this.tooltip.setContent(tooltiphtml);
 }
 if (!this.disableHighlight) {
 this.canvas.render();
 }
 }
 if (result === null) {
 this.mouseleave();
 }
 }
 });

Tooltip = createClass({
        sizeStyle: 'position: static !important;' +
            'display: block !important;' +
            'visibility: hidden !important;' +
            'float: left !important;',

init: function (options) {
 var tooltipClassname = options.get('tooltipClassname', 'jqstooltip'),
 sizetipStyle = this.sizeStyle,
 offset;
 this.container = options.get('tooltipContainer') || document.body;
 this.tooltipOffsetX = options.get('tooltipOffsetX', 10);
 this.tooltipOffsetY = options.get('tooltipOffsetY', 12);
 // remove any previous lingering tooltip
 $('#jqssizetip').remove();
 $('#jqstooltip').remove();
 this.sizetip = $('<div/>', {
 id: 'jqssizetip',
 style: sizetipStyle,
 'class': tooltipClassname
 });
 this.tooltip = $('<div/>', {
 id: 'jqstooltip',
 'class': tooltipClassname
 }).appendTo(this.container);
 // account for the container's location
 offset = this.tooltip.offset();
 this.offsetLeft = offset.left;
 this.offsetTop = offset.top;
 this.hidden = true;
 $(window).unbind('resize.jqs scroll.jqs');
 $(window).bind('resize.jqs scroll.jqs', $.proxy(this.updateWindowDims, this));
 this.updateWindowDims();
 },

updateWindowDims: function () {
            this.scrollTop = $(window).scrollTop();
            this.scrollLeft = $(window).scrollLeft();
            this.scrollRight = this.scrollLeft + $(window).width();
            this.updatePosition();
        },

getSize: function (content) {
            this.sizetip.html(content).appendTo(this.container);
            this.width = this.sizetip.width() + 1;
            this.height = this.sizetip.height();
            this.sizetip.remove();
        },

setContent: function (content) {
            if (!content) {
                this.tooltip.css('visibility', 'hidden');
                this.hidden = true;
                return;
            }
            this.getSize(content);
            this.tooltip.html(content)
                .css({
                    'width': this.width,
                    'height': this.height,
                    'visibility': 'visible'
                });
            if (this.hidden) {
                this.hidden = false;
                this.updatePosition();
            }
        },

updatePosition: function (x, y) {
            if (x === undefined) {
                if (this.mousex === undefined) {
                    return;
                }
                x = this.mousex - this.offsetLeft;
                y = this.mousey - this.offsetTop;

} else {
                this.mousex = x = x - this.offsetLeft;
                this.mousey = y = y - this.offsetTop;
            }
            if (!this.height || !this.width || this.hidden) {
                return;
            }

y -= this.height + this.tooltipOffsetY;
            x += this.tooltipOffsetX;

if (y < this.scrollTop) {
 y = this.scrollTop;
 }
 if (x < this.scrollLeft) {
 x = this.scrollLeft;
 } else if (x + this.width > this.scrollRight) {
 x = this.scrollRight - this.width;
 }

this.tooltip.css({
                'left': x,
                'top': y
            });
        },

remove: function () {
            this.tooltip.remove();
            this.sizetip.remove();
            this.sizetip = this.tooltip = undefined;
            $(window).unbind('resize.jqs scroll.jqs');
        }
    });

pending = [];
 $.fn.sparkline = function (userValues, userOptions) {
 return this.each(function () {
 var options = new $.fn.sparkline.options(this, userOptions),
 $this = $(this),
 render, i;
 render = function () {
 var values, width, height, tmp, mhandler, sp, vals;
 if (userValues === 'html' || userValues === undefined) {
 vals = this.getAttribute(options.get('tagValuesAttribute'));
 if (vals === undefined || vals === null) {
 vals = $this.html();
 }
 values = vals.replace(/(^\s*\s*$)|\s+/g, '').split(',');
 } else {
 values = userValues;
 }

width = options.get('width') === 'auto' ? values.length * options.get('defaultPixelsPerValue') : options.get('width');
                if (options.get('height') === 'auto') {
                    if (!options.get('composite') || !$.data(this, '_jqs_vcanvas')) {
                        // must be a better way to get the line height
                        tmp = document.createElement('span');
                        tmp.innerHTML = 'a';
                        $this.html(tmp);
                        height = $(tmp).innerHeight() || $(tmp).height();
                        $(tmp).remove();
                        tmp = null;
                    }
                } else {
                    height = options.get('height');
                }

if (!options.get('disableInteraction')) {
                    mhandler = $.data(this, '_jqs_mhandler');
                    if (!mhandler) {
                        mhandler = new MouseHandler(this, options);
                        $.data(this, '_jqs_mhandler', mhandler);
                    } else if (!options.get('composite')) {
                        mhandler.reset();
                    }
                } else {
                    mhandler = false;
                }

if (options.get('composite') && !$.data(this, '_jqs_vcanvas')) {
                    if (!$.data(this, '_jqs_errnotify')) {
                        alert('Attempted to attach a composite sparkline to an element with no existing sparkline');
                        $.data(this, '_jqs_errnotify', true);
                    }
                    return;
                }

sp = new $.fn.sparkline[options.get('type')](this, values, options, width, height);

sp.render();

if (mhandler) {
 mhandler.registerSparkline(sp);
 }
 };
 // jQuery 1.3.0 completely changed the meaning of :hidden :-/
 if (($(this).html() && !options.get('disableHiddenCheck') && $(this).is(':hidden')) || ($.fn.jquery < '1.3.0' && $(this).parents().is(':hidden')) || !$(this).parents('body').length) {
 if (!options.get('composite') && $.data(this, '_jqs_pending')) {
 // remove any existing references to the element
 for (i = pending.length; i; i--) {
 if (pending[i - 1][0] == this) {
 pending.splice(i - 1, 1);
 }
 }
 }
 pending.push([this, render]);
 $.data(this, '_jqs_pending', true);
 } else {
 render.call(this);
 }
 });
 };

$.fn.sparkline.defaults = getDefaults();

$.sparkline_display_visible = function () {
 var el, i, pl;
 var done = [];
 for (i = 0, pl = pending.length; i < pl; i++) {
 el = pending[i][0];
 if ($(el).is(':visible') && !$(el).parents().is(':hidden')) {
 pending[i][1].call(el);
 $.data(pending[i][0], '_jqs_pending', false);
 done.push(i);
 } else if (!$(el).closest('html').length && !$.data(el, '_jqs_pending')) {
 // element has been inserted and removed from the DOM
 // If it was not yet inserted into the dom then the .data request
 // will return true.
 // removing from the dom causes the data to be removed.
 $.data(pending[i][0], '_jqs_pending', false);
 done.push(i);
 }
 }
 for (i = done.length; i; i--) {
 pending.splice(done[i - 1], 1);
 }
 };

/**
     * User option handler
     */
    $.fn.sparkline.options = createClass({
        init: function (tag, userOptions) {
            var extendedOptions, defaults, base, tagOptionType;
            this.userOptions = userOptions = userOptions || {};
            this.tag = tag;
            this.tagValCache = {};
            defaults = $.fn.sparkline.defaults;
            base = defaults.common;
            this.tagOptionsPrefix = userOptions.enableTagOptions && (userOptions.tagOptionsPrefix || base.tagOptionsPrefix);

tagOptionType = this.getTagSetting('type');
            if (tagOptionType === UNSET_OPTION) {
                extendedOptions = defaults[userOptions.type || base.type];
            } else {
                extendedOptions = defaults[tagOptionType];
            }
            this.mergedOptions = $.extend({}, base, extendedOptions, userOptions);
        },

getTagSetting: function (key) {
            var prefix = this.tagOptionsPrefix,
                val, i, pairs, keyval;
            if (prefix === false || prefix === undefined) {
                return UNSET_OPTION;
            }
            if (this.tagValCache.hasOwnProperty(key)) {
                val = this.tagValCache.key;
            } else {
                val = this.tag.getAttribute(prefix + key);
                if (val === undefined || val === null) {
                    val = UNSET_OPTION;
                } else if (val.substr(0, 1) === '[') {
                    val = val.substr(1, val.length - 2).split(',');
                    for (i = val.length; i--;) {
                        val[i] = normalizeValue(val[i].replace(/(^\s*)|(\s*$)/g, ''));
                    }
                } else if (val.substr(0, 1) === '{') {
                    pairs = val.substr(1, val.length - 2).split(',');
                    val = {};
                    for (i = pairs.length; i--;) {
                        keyval = pairs[i].split(':', 2);
                        val[keyval[0].replace(/(^\s*)|(\s*$)/g, '')] = normalizeValue(keyval[1].replace(/(^\s*)|(\s*$)/g, ''));
                    }
                } else {
                    val = normalizeValue(val);
                }
                this.tagValCache.key = val;
            }
            return val;
        },

get: function (key, defaultval) {
            var tagOption = this.getTagSetting(key),
                result;
            if (tagOption !== UNSET_OPTION) {
                return tagOption;
            }
            return (result = this.mergedOptions[key]) === undefined ? defaultval : result;
        }
    });

$.fn.sparkline._base = createClass({
        disabled: false,

init: function (el, values, options, width, height) {
            this.el = el;
            this.$el = $(el);
            this.values = values;
            this.options = options;
            this.width = width;
            this.height = height;
            this.currentRegion = undefined;
        },

/**
         * Setup the canvas
         */
        initTarget: function () {
            var interactive = !this.options.get('disableInteraction');
            if (!(this.target = this.$el.simpledraw(this.width, this.height, this.options.get('composite'), interactive))) {
                this.disabled = true;
            } else {
                this.canvasWidth = this.target.pixelWidth;
                this.canvasHeight = this.target.pixelHeight;
            }
        },

/**
         * Actually render the chart to the canvas
         */
        render: function () {
            if (this.disabled) {
                this.el.innerHTML = '';
                return false;
            }
            return true;
        },

/**
         * Return a region id for a given x/y co-ordinate
         */
        getRegion: function (x, y) {
        },

/**
 * Highlight an item based on the moused-over x,y co-ordinate
 */
 setRegionHighlight: function (el, x, y) {
 var currentRegion = this.currentRegion,
 highlightEnabled = !this.options.get('disableHighlight'),
 newRegion;
 if (x > this.canvasWidth || y > this.canvasHeight || x < 0 || y < 0) {
 return null;
 }
 newRegion = this.getRegion(el, x, y);
 if (currentRegion !== newRegion) {
 if (currentRegion !== undefined && highlightEnabled) {
 this.removeHighlight();
 }
 this.currentRegion = newRegion;
 if (newRegion !== undefined && highlightEnabled) {
 this.renderHighlight();
 }
 return true;
 }
 return false;
 },

/**
         * Reset any currently highlighted item
         */
        clearRegionHighlight: function () {
            if (this.currentRegion !== undefined) {
                this.removeHighlight();
                this.currentRegion = undefined;
                return true;
            }
            return false;
        },

renderHighlight: function () {
            this.changeHighlight(true);
        },

removeHighlight: function () {
            this.changeHighlight(false);
        },

changeHighlight: function (highlight)  {},

/**
 * Fetch the HTML to display as a tooltip
 */
 getCurrentRegionTooltip: function () {
 var options = this.options,
 header = '',
 entries = [],
 fields, formats, formatlen, fclass, text, i,
 showFields, showFieldsKey, newFields, fv,
 formatter, format, fieldlen, j;
 if (this.currentRegion === undefined) {
 return '';
 }
 fields = this.getCurrentRegionFields();
 formatter = options.get('tooltipFormatter');
 if (formatter) {
 return formatter(this, options, fields);
 }
 if (options.get('tooltipChartTitle')) {
 header += '<div class="jqs jqstitle">' + options.get('tooltipChartTitle') + '</div>\n';
 }
 formats = this.options.get('tooltipFormat');
 if (!formats) {
 return '';
 }
 if (!$.isArray(formats)) {
 formats = [formats];
 }
 if (!$.isArray(fields)) {
 fields = [fields];
 }
 showFields = this.options.get('tooltipFormatFieldlist');
 showFieldsKey = this.options.get('tooltipFormatFieldlistKey');
 if (showFields && showFieldsKey) {
 // user-selected ordering of fields
 newFields = [];
 for (i = fields.length; i--;) {
 fv = fields[i][showFieldsKey];
 if ((j = $.inArray(fv, showFields)) != -1) {
 newFields[j] = fields[i];
 }
 }
 fields = newFields;
 }
 formatlen = formats.length;
 fieldlen = fields.length;
 for (i = 0; i < formatlen; i++) {
 format = formats[i];
 if (typeof format === 'string') {
 format = new SPFormat(format);
 }
 fclass = format.fclass || 'jqsfield';
 for (j = 0; j < fieldlen; j++) {
 if (!fields[j].isNull || !options.get('tooltipSkipNull')) {
 $.extend(fields[j], {
 prefix: options.get('tooltipPrefix'),
 suffix: options.get('tooltipSuffix')
 });
 text = format.render(fields[j], options.get('tooltipValueLookups'), options);
 entries.push('<div class="' + fclass + '">' + text + '</div>');
 }
 }
 }
 if (entries.length) {
 return header + entries.join('\n');
 }
 return '';
 },

getCurrentRegionFields: function () {},

calcHighlightColor: function (color, options) {
 var highlightColor = options.get('highlightColor'),
 lighten = options.get('highlightLighten'),
 parse, mult, rgbnew, i;
 if (highlightColor) {
 return highlightColor;
 }
 if (lighten) {
 // extract RGB values
 parse = /^#([0-9a-f])([0-9a-f])([0-9a-f])$/i.exec(color) || /^#([0-9a-f]{2})([0-9a-f]{2})([0-9a-f]{2})$/i.exec(color);
 if (parse) {
 rgbnew = [];
 mult = color.length === 4 ? 16 : 1;
 for (i = 0; i < 3; i++) {
 rgbnew[i] = clipval(Math.round(parseInt(parse[i + 1], 16) * mult * lighten), 0, 255);
 }
 return 'rgb(' + rgbnew.join(',') + ')';
 }

}
            return color;
        }

});

barHighlightMixin = {
        changeHighlight: function (highlight) {
            var currentRegion = this.currentRegion,
                target = this.target,
                shapeids = this.regionShapes[currentRegion],
                newShapes;
            // will be null if the region value was null
            if (shapeids) {
                newShapes = this.renderRegion(currentRegion, highlight);
                if ($.isArray(newShapes) || $.isArray(shapeids)) {
                    target.replaceWithShapes(shapeids, newShapes);
                    this.regionShapes[currentRegion] = $.map(newShapes, function (newShape) {
                        return newShape.id;
                    });
                } else {
                    target.replaceWithShape(shapeids, newShapes);
                    this.regionShapes[currentRegion] = newShapes.id;
                }
            }
        },

render: function () {
            var values = this.values,
                target = this.target,
                regionShapes = this.regionShapes,
                shapes, ids, i, j;

if (!this.cls._super.render.call(this)) {
                return;
            }
            for (i = values.length; i--;) {
                shapes = this.renderRegion(i);
                if (shapes) {
                    if ($.isArray(shapes)) {
                        ids = [];
                        for (j = shapes.length; j--;) {
                            shapes[j].append();
                            ids.push(shapes[j].id);
                        }
                        regionShapes[i] = ids;
                    } else {
                        shapes.append();
                        regionShapes[i] = shapes.id; // store just the shapeid
                    }
                } else {
                    // null value
                    regionShapes[i] = null;
                }
            }
            target.render();
        }
    };

/**
     * Line charts
     */
    $.fn.sparkline.line = line = createClass($.fn.sparkline._base, {
        type: 'line',

init: function (el, values, options, width, height) {
            line._super.init.call(this, el, values, options, width, height);
            this.vertices = [];
            this.regionMap = [];
            this.xvalues = [];
            this.yvalues = [];
            this.yminmax = [];
            this.hightlightSpotId = null;
            this.lastShapeId = null;
            this.initTarget();
        },

getRegion: function (el, x, y) {
 var i,
 regionMap = this.regionMap; // maps regions to value positions
 for (i = regionMap.length; i--;) {
 if (regionMap[i] !== null && x >= regionMap[i][0] && x <= regionMap[i][1]) {
 return regionMap[i][2];
 }
 }
 return undefined;
 },

getCurrentRegionFields: function () {
            var currentRegion = this.currentRegion;
            return {
                isNull: this.yvalues[currentRegion] === null,
                x: this.xvalues[currentRegion],
                y: this.yvalues[currentRegion],
                color: this.options.get('lineColor'),
                fillColor: this.options.get('fillColor'),
                offset: currentRegion
            };
        },

renderHighlight: function () {
            var currentRegion = this.currentRegion,
                target = this.target,
                vertex = this.vertices[currentRegion],
                options = this.options,
                spotRadius = options.get('spotRadius'),
                highlightSpotColor = options.get('highlightSpotColor'),
                highlightLineColor = options.get('highlightLineColor'),
                highlightSpot, highlightLine;

if (!vertex) {
                return;
            }
            if (spotRadius && highlightSpotColor) {
                highlightSpot = target.drawCircle(vertex[0], vertex[1],
                    spotRadius, undefined, highlightSpotColor);
                this.highlightSpotId = highlightSpot.id;
                target.insertAfterShape(this.lastShapeId, highlightSpot);
            }
            if (highlightLineColor) {
                highlightLine = target.drawLine(vertex[0], this.canvasTop, vertex[0],
                    this.canvasTop + this.canvasHeight, highlightLineColor);
                this.highlightLineId = highlightLine.id;
                target.insertAfterShape(this.lastShapeId, highlightLine);
            }
        },

removeHighlight: function () {
            var target = this.target;
            if (this.highlightSpotId) {
                target.removeShapeId(this.highlightSpotId);
                this.highlightSpotId = null;
            }
            if (this.highlightLineId) {
                target.removeShapeId(this.highlightLineId);
                this.highlightLineId = null;
            }
        },

scanValues: function () {
 var values = this.values,
 valcount = values.length,
 xvalues = this.xvalues,
 yvalues = this.yvalues,
 yminmax = this.yminmax,
 i, val, isStr, isArray, sp;
 for (i = 0; i < valcount; i++) {
 val = values[i];
 isStr = typeof(values[i]) === 'string';
 isArray = typeof(values[i]) === 'object' && values[i] instanceof Array;
 sp = isStr && values[i].split(':');
 if (isStr && sp.length === 2) { // x:y
 xvalues.push(Number(sp[0]));
 yvalues.push(Number(sp[1]));
 yminmax.push(Number(sp[1]));
 } else if (isArray) {
 xvalues.push(val[0]);
 yvalues.push(val[1]);
 yminmax.push(val[1]);
 } else {
 xvalues.push(i);
 if (values[i] === null || values[i] === 'null') {
 yvalues.push(null);
 } else {
 yvalues.push(Number(val));
 yminmax.push(Number(val));
 }
 }
 }
 if (this.options.get('xvalues')) {
 xvalues = this.options.get('xvalues');
 }

this.maxy = this.maxyorg = Math.max.apply(Math, yminmax);
            this.miny = this.minyorg = Math.min.apply(Math, yminmax);

this.maxx = Math.max.apply(Math, xvalues);
            this.minx = Math.min.apply(Math, xvalues);

this.xvalues = xvalues;
            this.yvalues = yvalues;
            this.yminmax = yminmax;

processRangeOptions: function () {
            var options = this.options,
                normalRangeMin = options.get('normalRangeMin'),
                normalRangeMax = options.get('normalRangeMax');

if (normalRangeMin !== undefined) {
 if (normalRangeMin < this.miny) {
 this.miny = normalRangeMin;
 }
 if (normalRangeMax > this.maxy) {
 this.maxy = normalRangeMax;
 }
 }
 if (options.get('chartRangeMin') !== undefined && (options.get('chartRangeClip') || options.get('chartRangeMin') < this.miny)) {
 this.miny = options.get('chartRangeMin');
 }
 if (options.get('chartRangeMax') !== undefined && (options.get('chartRangeClip') || options.get('chartRangeMax') > this.maxy)) {
 this.maxy = options.get('chartRangeMax');
 }
 if (options.get('chartRangeMinX') !== undefined && (options.get('chartRangeClipX') || options.get('chartRangeMinX') < this.minx)) {
 this.minx = options.get('chartRangeMinX');
 }
 if (options.get('chartRangeMaxX') !== undefined && (options.get('chartRangeClipX') || options.get('chartRangeMaxX') > this.maxx)) {
 this.maxx = options.get('chartRangeMaxX');
 }

drawNormalRange: function (canvasLeft, canvasTop, canvasHeight, canvasWidth, rangey) {
            var normalRangeMin = this.options.get('normalRangeMin'),
                normalRangeMax = this.options.get('normalRangeMax'),
                ytop = canvasTop + Math.round(canvasHeight - (canvasHeight * ((normalRangeMax - this.miny) / rangey))),
                height = Math.round((canvasHeight * (normalRangeMax - normalRangeMin)) / rangey);
            this.target.drawRect(canvasLeft, ytop, canvasWidth, height, undefined, this.options.get('normalRangeColor')).append();
        },

render: function () {
            var options = this.options,
                target = this.target,
                canvasWidth = this.canvasWidth,
                canvasHeight = this.canvasHeight,
                vertices = this.vertices,
                spotRadius = options.get('spotRadius'),
                regionMap = this.regionMap,
                rangex, rangey, yvallast,
                canvasTop, canvasLeft,
                vertex, path, paths, x, y, xnext, xpos, xposnext,
                last, next, yvalcount, lineShapes, fillShapes, plen,
                valueSpots, color, xvalues, yvalues, i;

if (!line._super.render.call(this)) {
                return;
            }

this.scanValues();
            this.processRangeOptions();

xvalues = this.xvalues;
            yvalues = this.yvalues;

if (!this.yminmax.length || this.yvalues.length < 2) {
 // empty or all null valuess
 return;
 }

canvasTop = canvasLeft = 0;

rangex = this.maxx - this.minx === 0 ? 1 : this.maxx - this.minx;
            rangey = this.maxy - this.miny === 0 ? 1 : this.maxy - this.miny;
            yvallast = this.yvalues.length - 1;

if (spotRadius && (canvasWidth < (spotRadius * 4) || canvasHeight < (spotRadius * 4))) {
 spotRadius = 0;
 }
 if (spotRadius) {
 // adjust the canvas size as required so that spots will fit
 if (options.get('minSpotColor') || (options.get('spotColor') && yvalues[yvallast] === this.miny)) {
 canvasHeight -= Math.ceil(spotRadius);
 }
 if (options.get('maxSpotColor') || (options.get('spotColor') && yvalues[yvallast] === this.maxy)) {
 canvasHeight -= Math.ceil(spotRadius);
 canvasTop += Math.ceil(spotRadius);
 }
 if ((options.get('minSpotColor') || options.get('maxSpotColor')) && (yvalues[0] === this.miny || yvalues[0] === this.maxy)) {
 canvasLeft += Math.ceil(spotRadius);
 canvasWidth -= Math.ceil(spotRadius);
 }
 if (options.get('spotColor') ||
 (options.get('minSpotColor') || options.get('maxSpotColor') &&
 (yvalues[yvallast] === this.miny || yvalues[yvallast] === this.maxy))) {
 canvasWidth -= Math.ceil(spotRadius);
 }
 }

canvasHeight--;

if (options.get('normalRangeMin') && !options.get('drawNormalOnTop')) {
                this.drawNormalRange(canvasLeft, canvasTop, canvasHeight, canvasWidth, rangey);
            }

path = [];
 paths = [path];
 last = next = null;
 yvalcount = yvalues.length;
 for (i = 0; i < yvalcount; i++) {
 x = xvalues[i];
 xnext = xvalues[i + 1];
 y = yvalues[i];
 xpos = canvasLeft + Math.round((x - this.minx) * (canvasWidth / rangex));
 xposnext = i < yvalcount - 1 ? canvasLeft + Math.round((xnext - this.minx) * (canvasWidth / rangex)) : canvasWidth;
 next = xpos + ((xposnext - xpos) / 2);
 regionMap[i] = [last || 0, next, i];
 last = next;
 if (y === null) {
 if (i) {
 if (yvalues[i - 1] !== null) {
 path = [];
 paths.push(path);
 vertices.push(null);
 }
 }
 } else {
 if (y < this.miny) {
 y = this.miny;
 }
 if (y > this.maxy) {
 y = this.maxy;
 }
 if (!path.length) {
 // previous value was null
 path.push([xpos, canvasTop + canvasHeight]);
 }
 vertex = [xpos, canvasTop + Math.round(canvasHeight - (canvasHeight * ((y - this.miny) / rangey)))];
 path.push(vertex);
 vertices.push(vertex);
 }
 }

lineShapes = [];
 fillShapes = [];
 plen = paths.length;
 for (i = 0; i < plen; i++) {
 path = paths[i];
 if (path.length) {
 if (options.get('fillColor')) {
 path.push([path[path.length - 1][0], (canvasTop + canvasHeight)]);
 fillShapes.push(path.slice(0));
 path.pop();
 }
 // if there's only a single point in this path, then we want to display it
 // as a vertical line which means we keep path[0] as is
 if (path.length > 2) {
 // else we want the first value
 path[0] = [path[0][0], path[1][1]];
 }
 lineShapes.push(path);
 }
 }

// draw the fill first, then optionally the normal range, then the line on top of that
 plen = fillShapes.length;
 for (i = 0; i < plen; i++) {
 target.drawShape(fillShapes[i],
 options.get('fillColor'), options.get('fillColor')).append();
 }

if (options.get('normalRangeMin') && options.get('drawNormalOnTop')) {
                this.drawNormalRange(canvasLeft, canvasTop, canvasHeight, canvasWidth, rangey);
            }

plen = lineShapes.length;
 for (i = 0; i < plen; i++) {
 target.drawShape(lineShapes[i], options.get('lineColor'), undefined,
 options.get('lineWidth')).append();
 }

if (spotRadius && options.get('valueSpots')) {
 valueSpots = options.get('valueSpots');
 if (valueSpots.get === undefined) {
 valueSpots = new RangeMap(valueSpots);
 }
 for (i = 0; i < yvalcount; i++) {
 color = valueSpots.get(yvalues[i]);
 if (color) {
 target.drawCircle(canvasLeft + Math.round((xvalues[i] - this.minx) * (canvasWidth / rangex)),
 canvasTop + Math.round(canvasHeight - (canvasHeight * ((yvalues[i] - this.miny) / rangey))),
 spotRadius, undefined,
 color).append();
 }
 }

}
            if (spotRadius && options.get('spotColor')) {
                target.drawCircle(canvasLeft + Math.round((xvalues[xvalues.length - 1] - this.minx) * (canvasWidth / rangex)),
                    canvasTop + Math.round(canvasHeight - (canvasHeight * ((yvalues[yvallast] - this.miny) / rangey))),
                    spotRadius, undefined,
                    options.get('spotColor')).append();
            }
            if (this.maxy !== this.minyorg) {
                if (spotRadius && options.get('minSpotColor')) {
                    x = xvalues[$.inArray(this.minyorg, yvalues)];
                    target.drawCircle(canvasLeft + Math.round((x - this.minx) * (canvasWidth / rangex)),
                        canvasTop + Math.round(canvasHeight - (canvasHeight * ((this.minyorg - this.miny) / rangey))),
                        spotRadius, undefined,
                        options.get('minSpotColor')).append();
                }
                if (spotRadius && options.get('maxSpotColor')) {
                    x = xvalues[$.inArray(this.maxyorg, yvalues)];
                    target.drawCircle(canvasLeft + Math.round((x - this.minx) * (canvasWidth / rangex)),
                        canvasTop + Math.round(canvasHeight - (canvasHeight * ((this.maxyorg - this.miny) / rangey))),
                        spotRadius, undefined,
                        options.get('maxSpotColor')).append();
                }
            }

this.lastShapeId = target.getLastShapeId();
            this.canvasTop = canvasTop;
            target.render();
        }
    });

/**
     * Bar charts
     */
    $.fn.sparkline.bar = bar = createClass($.fn.sparkline._base, barHighlightMixin, {
        type: 'bar',

init: function (el, values, options, width, height) {
            var barWidth = parseInt(options.get('barWidth'), 10),
                barSpacing = parseInt(options.get('barSpacing'), 10),
                chartRangeMin = options.get('chartRangeMin'),
                chartRangeMax = options.get('chartRangeMax'),
                chartRangeClip = options.get('chartRangeClip'),
                stackMin = Infinity,
                stackMax = -Infinity,
                isStackString, groupMin, groupMax, stackRanges,
                numValues, i, vlen, range, zeroAxis, xaxisOffset, min, max, clipMin, clipMax,
                stacked, vlist, j, slen, svals, val, yoffset, yMaxCalc, canvasHeightEf;
            bar._super.init.call(this, el, values, options, width, height);

// scan values to determine whether to stack bars
 for (i = 0, vlen = values.length; i < vlen; i++) {
 val = values[i];
 isStackString = typeof(val) === 'string' && val.indexOf(':') > -1;
 if (isStackString || $.isArray(val)) {
 stacked = true;
 if (isStackString) {
 val = values[i] = normalizeValues(val.split(':'));
 }
 val = remove(val, null); // min/max will treat null as zero
 groupMin = Math.min.apply(Math, val);
 groupMax = Math.max.apply(Math, val);
 if (groupMin < stackMin) {
 stackMin = groupMin;
 }
 if (groupMax > stackMax) {
 stackMax = groupMax;
 }
 }
 }

this.stacked = stacked;
            this.regionShapes = {};
            this.barWidth = barWidth;
            this.barSpacing = barSpacing;
            this.totalBarWidth = barWidth + barSpacing;
            this.width = width = (values.length * barWidth) + ((values.length - 1) * barSpacing);

this.initTarget();

if (chartRangeClip) {
                clipMin = chartRangeMin === undefined ? -Infinity : chartRangeMin;
                clipMax = chartRangeMax === undefined ? Infinity : chartRangeMax;
            }

numValues = [];
 stackRanges = stacked ? [] : numValues;
 var stackTotals = [];
 var stackRangesNeg = [];
 for (i = 0, vlen = values.length; i < vlen; i++) {
 if (stacked) {
 vlist = values[i];
 values[i] = svals = [];
 stackTotals[i] = 0;
 stackRanges[i] = stackRangesNeg[i] = 0;
 for (j = 0, slen = vlist.length; j < slen; j++) {
 val = svals[j] = chartRangeClip ? clipval(vlist[j], clipMin, clipMax) : vlist[j];
 if (val !== null) {
 if (val > 0) {
 stackTotals[i] += val;
 }
 if (stackMin < 0 && stackMax > 0) {
 if (val < 0) {
 stackRangesNeg[i] += Math.abs(val);
 } else {
 stackRanges[i] += val;
 }
 } else {
 stackRanges[i] += Math.abs(val - (val < 0 ? stackMax : stackMin));
 }
 numValues.push(val);
 }
 }
 } else {
 val = chartRangeClip ? clipval(values[i], clipMin, clipMax) : values[i];
 val = values[i] = normalizeValue(val);
 if (val !== null) {
 numValues.push(val);
 }
 }
 }
 this.max = max = Math.max.apply(Math, numValues);
 this.min = min = Math.min.apply(Math, numValues);
 this.stackMax = stackMax = stacked ? Math.max.apply(Math, stackTotals) : max;
 this.stackMin = stackMin = stacked ? Math.min.apply(Math, numValues) : min;

if (options.get('chartRangeMin') !== undefined && (options.get('chartRangeClip') || options.get('chartRangeMin') < min)) {
 min = options.get('chartRangeMin');
 }
 if (options.get('chartRangeMax') !== undefined && (options.get('chartRangeClip') || options.get('chartRangeMax') > max)) {
 max = options.get('chartRangeMax');
 }

this.zeroAxis = zeroAxis = options.get('zeroAxis', true);
 if (min <= 0 && max >= 0 && zeroAxis) {
 xaxisOffset = 0;
 } else if (zeroAxis == false) {
 xaxisOffset = min;
 } else if (min > 0) {
 xaxisOffset = min;
 } else {
 xaxisOffset = max;
 }
 this.xaxisOffset = xaxisOffset;

range = stacked ? (Math.max.apply(Math, stackRanges) + Math.max.apply(Math, stackRangesNeg)) : max - min;

// as we plot zero/min values a single pixel line, we add a pixel to all other
 // values - Reduce the effective canvas size to suit
 this.canvasHeightEf = (zeroAxis && min < 0) ? this.canvasHeight - 2 : this.canvasHeight - 1;

if (min < xaxisOffset) {
 yMaxCalc = (stacked && max >= 0) ? stackMax : max;
 yoffset = (yMaxCalc - xaxisOffset) / range * this.canvasHeight;
 if (yoffset !== Math.ceil(yoffset)) {
 this.canvasHeightEf -= 2;
 yoffset = Math.ceil(yoffset);
 }
 } else {
 yoffset = this.canvasHeight;
 }
 this.yoffset = yoffset;

if ($.isArray(options.get('colorMap'))) {
                this.colorMapByIndex = options.get('colorMap');
                this.colorMapByValue = null;
            } else {
                this.colorMapByIndex = null;
                this.colorMapByValue = options.get('colorMap');
                if (this.colorMapByValue && this.colorMapByValue.get === undefined) {
                    this.colorMapByValue = new RangeMap(this.colorMapByValue);
                }
            }

this.range = range;
        },

getRegion: function (el, x, y) {
 var result = Math.floor(x / this.totalBarWidth);
 return (result < 0 || result >= this.values.length) ? undefined : result;
 },

getCurrentRegionFields: function () {
            var currentRegion = this.currentRegion,
                values = ensureArray(this.values[currentRegion]),
                result = [],
                value, i;
            for (i = values.length; i--;) {
                value = values[i];
                result.push({
                    isNull: value === null,
                    value: value,
                    color: this.calcColor(i, value, currentRegion),
                    offset: currentRegion
                });
            }
            return result;
        },

calcColor: function (stacknum, value, valuenum) {
 var colorMapByIndex = this.colorMapByIndex,
 colorMapByValue = this.colorMapByValue,
 options = this.options,
 color, newColor;
 if (this.stacked) {
 color = options.get('stackedBarColor');
 } else {
 color = (value < 0) ? options.get('negBarColor') : options.get('barColor');
 }
 if (value === 0 && options.get('zeroColor') !== undefined) {
 color = options.get('zeroColor');
 }
 if (colorMapByValue && (newColor = colorMapByValue.get(value))) {
 color = newColor;
 } else if (colorMapByIndex && colorMapByIndex.length > valuenum) {
 color = colorMapByIndex[valuenum];
 }
 return $.isArray(color) ? color[stacknum % color.length] : color;
 },

/**
         * Render bar(s) for a region
         */
        renderRegion: function (valuenum, highlight) {
            var vals = this.values[valuenum],
                options = this.options,
                xaxisOffset = this.xaxisOffset,
                result = [],
                range = this.range,
                stacked = this.stacked,
                target = this.target,
                x = valuenum * this.totalBarWidth,
                canvasHeightEf = this.canvasHeightEf,
                yoffset = this.yoffset,
                y, height, color, isNull, yoffsetNeg, i, valcount, val, minPlotted, allMin;

vals = $.isArray(vals) ? vals : [vals];
            valcount = vals.length;
            val = vals[0];
            isNull = all(null, vals);
            allMin = all(xaxisOffset, vals, true);

if (isNull) {
 if (options.get('nullColor')) {
 color = highlight ? options.get('nullColor') : this.calcHighlightColor(options.get('nullColor'), options);
 y = (yoffset > 0) ? yoffset - 1 : yoffset;
 return target.drawRect(x, y, this.barWidth - 1, 0, color, color);
 } else {
 return undefined;
 }
 }
 yoffsetNeg = yoffset;
 for (i = 0; i < valcount; i++) {
 val = vals[i];

if (stacked && val === xaxisOffset) {
                    if (!allMin || minPlotted) {
                        continue;
                    }
                    minPlotted = true;
                }

if (range > 0) {
 height = Math.floor(canvasHeightEf * ((Math.abs(val - xaxisOffset) / range))) + 1;
 } else {
 height = 1;
 }
 if (val < xaxisOffset || (val === xaxisOffset && yoffset === 0)) {
 y = yoffsetNeg;
 yoffsetNeg += height;
 } else {
 y = yoffset - height;
 yoffset -= height;
 }
 color = this.calcColor(i, val, valuenum);
 if (highlight) {
 color = this.calcHighlightColor(color, options);
 }
 result.push(target.drawRect(x, y, this.barWidth - 1, height - 1, color, color));
 }
 if (result.length === 1) {
 return result[0];
 }
 return result;
 }
 });

/**
     * Tristate charts
     */
    $.fn.sparkline.tristate = tristate = createClass($.fn.sparkline._base, barHighlightMixin, {
        type: 'tristate',

init: function (el, values, options, width, height) {
            var barWidth = parseInt(options.get('barWidth'), 10),
                barSpacing = parseInt(options.get('barSpacing'), 10);
            tristate._super.init.call(this, el, values, options, width, height);

this.regionShapes = {};
            this.barWidth = barWidth;
            this.barSpacing = barSpacing;
            this.totalBarWidth = barWidth + barSpacing;
            this.values = $.map(values, Number);
            this.width = width = (values.length * barWidth) + ((values.length - 1) * barSpacing);

getRegion: function (el, x, y) {
            return Math.floor(x / this.totalBarWidth);
        },

getCurrentRegionFields: function () {
            var currentRegion = this.currentRegion;
            return {
                isNull: this.values[currentRegion] === undefined,
                value: this.values[currentRegion],
                color: this.calcColor(this.values[currentRegion], currentRegion),
                offset: currentRegion
            };
        },

calcColor: function (value, valuenum) {
            var values = this.values,
                options = this.options,
                colorMapByIndex = this.colorMapByIndex,
                colorMapByValue = this.colorMapByValue,
                color, newColor;

if (colorMapByValue && (newColor = colorMapByValue.get(value))) {
 color = newColor;
 } else if (colorMapByIndex && colorMapByIndex.length > valuenum) {
 color = colorMapByIndex[valuenum];
 } else if (values[valuenum] < 0) {
 color = options.get('negBarColor');
 } else if (values[valuenum] > 0) {
 color = options.get('posBarColor');
 } else {
 color = options.get('zeroBarColor');
 }
 return color;
 },

renderRegion: function (valuenum, highlight) {
            var values = this.values,
                options = this.options,
                target = this.target,
                canvasHeight, height, halfHeight,
                x, y, color;

canvasHeight = target.pixelHeight;
            halfHeight = Math.round(canvasHeight / 2);

x = valuenum * this.totalBarWidth;
 if (values[valuenum] < 0) {
 y = halfHeight;
 height = halfHeight - 1;
 } else if (values[valuenum] > 0) {
 y = 0;
 height = halfHeight - 1;
 } else {
 y = halfHeight - 1;
 height = 2;
 }
 color = this.calcColor(values[valuenum], valuenum);
 if (color === null) {
 return;
 }
 if (highlight) {
 color = this.calcHighlightColor(color, options);
 }
 return target.drawRect(x, y, this.barWidth - 1, height - 1, color, color);
 }
 });

/**
     * Discrete charts
     */
    $.fn.sparkline.discrete = discrete = createClass($.fn.sparkline._base, barHighlightMixin, {
        type: 'discrete',

init: function (el, values, options, width, height) {
            discrete._super.init.call(this, el, values, options, width, height);

this.regionShapes = {};
 this.values = values = $.map(values, Number);
 this.min = Math.min.apply(Math, values);
 this.max = Math.max.apply(Math, values);
 this.range = this.max - this.min;
 this.width = width = options.get('width') === 'auto' ? values.length * 2 : this.width;
 this.interval = Math.floor(width / values.length);
 this.itemWidth = width / values.length;
 if (options.get('chartRangeMin') !== undefined && (options.get('chartRangeClip') || options.get('chartRangeMin') < this.min)) {
 this.min = options.get('chartRangeMin');
 }
 if (options.get('chartRangeMax') !== undefined && (options.get('chartRangeClip') || options.get('chartRangeMax') > this.max)) {
 this.max = options.get('chartRangeMax');
 }
 this.initTarget();
 if (this.target) {
 this.lineHeight = options.get('lineHeight') === 'auto' ? Math.round(this.canvasHeight * 0.3) : options.get('lineHeight');
 }
 },

getRegion: function (el, x, y) {
            return Math.floor(x / this.itemWidth);
        },

renderRegion: function (valuenum, highlight) {
            var values = this.values,
                options = this.options,
                min = this.min,
                max = this.max,
                range = this.range,
                interval = this.interval,
                target = this.target,
                canvasHeight = this.canvasHeight,
                lineHeight = this.lineHeight,
                pheight = canvasHeight - lineHeight,
                ytop, val, color, x;

val = clipval(values[valuenum], min, max);
 x = valuenum * interval;
 ytop = Math.round(pheight - pheight * ((val - min) / range));
 color = (options.get('thresholdColor') && val < options.get('thresholdValue')) ? options.get('thresholdColor') : options.get('lineColor');
 if (highlight) {
 color = this.calcHighlightColor(color, options);
 }
 return target.drawLine(x, ytop, x, ytop + lineHeight, color);
 }
 });

/**
     * Bullet charts
     */
    $.fn.sparkline.bullet = bullet = createClass($.fn.sparkline._base, {
        type: 'bullet',

init: function (el, values, options, width, height) {
            var min, max;
            bullet._super.init.call(this, el, values, options, width, height);

// values: target, performance, range1, range2, range3
 values = $.map(values, Number);
 min = Math.min.apply(Math, values);
 max = Math.max.apply(Math, values);
 if (options.get('base') === undefined) {
 min = min < 0 ? min : 0;
 } else {
 min = options.get('base');
 }
 this.min = min;
 this.max = max;
 this.range = max - min;
 this.shapes = {};
 this.valueShapes = {};
 this.regiondata = {};
 this.width = width = options.get('width') === 'auto' ? '4.0em' : width;
 this.target = this.$el.simpledraw(width, height, options.get('composite'));
 if (!values.length) {
 this.disabled = true;
 }
 this.initTarget();
 },

getRegion: function (el, x, y) {
            var shapeid = this.target.getShapeAt(el, x, y);
            return (shapeid !== undefined && this.shapes[shapeid] !== undefined) ? this.shapes[shapeid] : undefined;
        },

getCurrentRegionFields: function () {
            var currentRegion = this.currentRegion;
            return {
                fieldkey: currentRegion.substr(0, 1),
                value: this.values[currentRegion.substr(1)],
                region: currentRegion
            };
        },

changeHighlight: function (highlight) {
            var currentRegion = this.currentRegion,
                shapeid = this.valueShapes[currentRegion],
                shape;
            delete this.shapes[shapeid];
            switch (currentRegion.substr(0, 1)) {
                case 'r':
                    shape = this.renderRange(currentRegion.substr(1), highlight);
                    break;
                case 'p':
                    shape = this.renderPerformance(highlight);
                    break;
                case 't':
                    shape = this.renderTarget(highlight);
                    break;
            }
            this.valueShapes[currentRegion] = shape.id;
            this.shapes[shape.id] = currentRegion;
            this.target.replaceWithShape(shapeid, shape);
        },

renderRange: function (rn, highlight) {
            var rangeval = this.values[rn],
                rangewidth = Math.round(this.canvasWidth * ((rangeval - this.min) / this.range)),
                color = this.options.get('rangeColors')[rn - 2];
            if (highlight) {
                color = this.calcHighlightColor(color, this.options);
            }
            return this.target.drawRect(0, 0, rangewidth - 1, this.canvasHeight - 1, color, color);
        },

renderPerformance: function (highlight) {
            var perfval = this.values[1],
                perfwidth = Math.round(this.canvasWidth * ((perfval - this.min) / this.range)),
                color = this.options.get('performanceColor');
            if (highlight) {
                color = this.calcHighlightColor(color, this.options);
            }
            return this.target.drawRect(0, Math.round(this.canvasHeight * 0.3), perfwidth - 1,
                Math.round(this.canvasHeight * 0.4) - 1, color, color);
        },

renderTarget: function (highlight) {
            var targetval = this.values[0],
                x = Math.round(this.canvasWidth * ((targetval - this.min) / this.range) - (this.options.get('targetWidth') / 2)),
                targettop = Math.round(this.canvasHeight * 0.10),
                targetheight = this.canvasHeight - (targettop * 2),
                color = this.options.get('targetColor');
            if (highlight) {
                color = this.calcHighlightColor(color, this.options);
            }
            return this.target.drawRect(x, targettop, this.options.get('targetWidth') - 1, targetheight - 1, color, color);
        },

render: function () {
 var vlen = this.values.length,
 target = this.target,
 i, shape;
 if (!bullet._super.render.call(this)) {
 return;
 }
 for (i = 2; i < vlen; i++) {
 shape = this.renderRange(i).append();
 this.shapes[shape.id] = 'r' + i;
 this.valueShapes['r' + i] = shape.id;
 }
 shape = this.renderPerformance().append();
 this.shapes[shape.id] = 'p1';
 this.valueShapes.p1 = shape.id;
 shape = this.renderTarget().append();
 this.shapes[shape.id] = 't0';
 this.valueShapes.t0 = shape.id;
 target.render();
 }
 });

/**
     * Pie charts
     */
    $.fn.sparkline.pie = pie = createClass($.fn.sparkline._base, {
        type: 'pie',

init: function (el, values, options, width, height) {
            var total = 0, i;

pie._super.init.call(this, el, values, options, width, height);

this.shapes = {}; // map shape ids to value offsets
            this.valueShapes = {}; // maps value offsets to shape ids
            this.values = values = $.map(values, Number);

if (options.get('width') === 'auto') {
                this.width = this.height;
            }

if (values.length > 0) {
                for (i = values.length; i--;) {
                    total += values[i];
                }
            }
            this.total = total;
            this.initTarget();
            this.radius = Math.floor(Math.min(this.canvasWidth, this.canvasHeight) / 2);
        },

getCurrentRegionFields: function () {
            var currentRegion = this.currentRegion;
            return {
                isNull: this.values[currentRegion] === undefined,
                value: this.values[currentRegion],
                percent: this.values[currentRegion] / this.total * 100,
                color: this.options.get('sliceColors')[currentRegion % this.options.get('sliceColors').length],
                offset: currentRegion
            };
        },

changeHighlight: function (highlight) {
            var currentRegion = this.currentRegion,
                 newslice = this.renderSlice(currentRegion, highlight),
                 shapeid = this.valueShapes[currentRegion];
            delete this.shapes[shapeid];
            this.target.replaceWithShape(shapeid, newslice);
            this.valueShapes[currentRegion] = newslice.id;
            this.shapes[newslice.id] = currentRegion;
        },

renderSlice: function (valuenum, highlight) {
            var target = this.target,
                options = this.options,
                radius = this.radius,
                borderWidth = options.get('borderWidth'),
                offset = options.get('offset'),
                circle = 2 * Math.PI,
                values = this.values,
                total = this.total,
                next = offset ? (2*Math.PI)*(offset/360) : 0,
                start, end, i, vlen, color;

vlen = values.length;
 for (i = 0; i < vlen; i++) {
 start = next;
 end = next;
 if (total > 0) { // avoid divide by zero
 end = next + (circle * (values[i] / total));
 }
 if (valuenum === i) {
 color = options.get('sliceColors')[i % options.get('sliceColors').length];
 if (highlight) {
 color = this.calcHighlightColor(color, options);
 }

return target.drawPieSlice(radius, radius, radius - borderWidth, start, end, undefined, color);
                }
                next = end;
            }
        },

render: function () {
            var target = this.target,
                values = this.values,
                options = this.options,
                radius = this.radius,
                borderWidth = options.get('borderWidth'),
                shape, i;

if (!pie._super.render.call(this)) {
                return;
            }
            if (borderWidth) {
                target.drawCircle(radius, radius, Math.floor(radius - (borderWidth / 2)),
                    options.get('borderColor'), undefined, borderWidth).append();
            }
            for (i = values.length; i--;) {
                shape = this.renderSlice(i).append();
                this.valueShapes[i] = shape.id; // store just the shapeid
                this.shapes[shape.id] = i;
            }
            target.render();
        }
    });

/**
     * Box plots
     */
    $.fn.sparkline.box = box = createClass($.fn.sparkline._base, {
        type: 'box',

init: function (el, values, options, width, height) {
            box._super.init.call(this, el, values, options, width, height);
            this.values = $.map(values, Number);
            this.width = options.get('width') === 'auto' ? '4.0em' : width;
            this.initTarget();
            if (!this.values.length) {
                this.disabled = 1;
            }
        },

/**
         * Simulate a single region
         */
        getRegion: function () {
            return 1;
        },

getCurrentRegionFields: function () {
            var result = [
                { field: 'lq', value: this.quartiles[0] },
                { field: 'med', value: this.quartiles[1] },
                { field: 'uq', value: this.quartiles[2] },
                { field: 'lo', value: this.loutlier },
                { field: 'ro', value: this.routlier }
            ];
            if (this.lwhisker !== undefined) {
                result.push({ field: 'lw', value: this.lwhisker});
            }
            if (this.rwhisker !== undefined) {
                result.push({ field: 'rw', value: this.rwhisker});
            }
            return result;
        },

render: function () {
            var target = this.target,
                values = this.values,
                vlen = values.length,
                options = this.options,
                canvasWidth = this.canvasWidth,
                canvasHeight = this.canvasHeight,
                minValue = options.get('chartRangeMin') === undefined ? Math.min.apply(Math, values) : options.get('chartRangeMin'),
                maxValue = options.get('chartRangeMax') === undefined ? Math.max.apply(Math, values) : options.get('chartRangeMax'),
                canvasLeft = 0,
                lwhisker, loutlier, iqr, q1, q2, q3, rwhisker, routlier, i,
                size, unitSize;

if (!box._super.render.call(this)) {
                return;
            }

if (options.get('raw')) {
 if (options.get('showOutliers') && values.length > 5) {
 loutlier = values[0];
 lwhisker = values[1];
 q1 = values[2];
 q2 = values[3];
 q3 = values[4];
 rwhisker = values[5];
 routlier = values[6];
 } else {
 lwhisker = values[0];
 q1 = values[1];
 q2 = values[2];
 q3 = values[3];
 rwhisker = values[4];
 }
 } else {
 values.sort(function (a, b) { return a - b; });
 q1 = quartile(values, 1);
 q2 = quartile(values, 2);
 q3 = quartile(values, 3);
 iqr = q3 - q1;
 if (options.get('showOutliers')) {
 lwhisker = rwhisker = undefined;
 for (i = 0; i < vlen; i++) {
 if (lwhisker === undefined && values[i] > q1 - (iqr * options.get('outlierIQR'))) {
 lwhisker = values[i];
 }
 if (values[i] < q3 + (iqr * options.get('outlierIQR'))) {
 rwhisker = values[i];
 }
 }
 loutlier = values[0];
 routlier = values[vlen - 1];
 } else {
 lwhisker = values[0];
 rwhisker = values[vlen - 1];
 }
 }
 this.quartiles = [q1, q2, q3];
 this.lwhisker = lwhisker;
 this.rwhisker = rwhisker;
 this.loutlier = loutlier;
 this.routlier = routlier;

unitSize = canvasWidth / (maxValue - minValue + 1);
 if (options.get('showOutliers')) {
 canvasLeft = Math.ceil(options.get('spotRadius'));
 canvasWidth -= 2 * Math.ceil(options.get('spotRadius'));
 unitSize = canvasWidth / (maxValue - minValue + 1);
 if (loutlier < lwhisker) {
 target.drawCircle((loutlier - minValue) * unitSize + canvasLeft,
 canvasHeight / 2,
 options.get('spotRadius'),
 options.get('outlierLineColor'),
 options.get('outlierFillColor')).append();
 }
 if (routlier > rwhisker) {
 target.drawCircle((routlier - minValue) * unitSize + canvasLeft,
 canvasHeight / 2,
 options.get('spotRadius'),
 options.get('outlierLineColor'),
 options.get('outlierFillColor')).append();
 }
 }

// box
            target.drawRect(
                Math.round((q1 - minValue) * unitSize + canvasLeft),
                Math.round(canvasHeight * 0.1),
                Math.round((q3 - q1) * unitSize),
                Math.round(canvasHeight * 0.8),
                options.get('boxLineColor'),
                options.get('boxFillColor')).append();
            // left whisker
            target.drawLine(
                Math.round((lwhisker - minValue) * unitSize + canvasLeft),
                Math.round(canvasHeight / 2),
                Math.round((q1 - minValue) * unitSize + canvasLeft),
                Math.round(canvasHeight / 2),
                options.get('lineColor')).append();
            target.drawLine(
                Math.round((lwhisker - minValue) * unitSize + canvasLeft),
                Math.round(canvasHeight / 4),
                Math.round((lwhisker - minValue) * unitSize + canvasLeft),
                Math.round(canvasHeight - canvasHeight / 4),
                options.get('whiskerColor')).append();
            // right whisker
            target.drawLine(Math.round((rwhisker - minValue) * unitSize + canvasLeft),
                Math.round(canvasHeight / 2),
                Math.round((q3 - minValue) * unitSize + canvasLeft),
                Math.round(canvasHeight / 2),
                options.get('lineColor')).append();
            target.drawLine(
                Math.round((rwhisker - minValue) * unitSize + canvasLeft),
                Math.round(canvasHeight / 4),
                Math.round((rwhisker - minValue) * unitSize + canvasLeft),
                Math.round(canvasHeight - canvasHeight / 4),
                options.get('whiskerColor')).append();
            // median line
            target.drawLine(
                Math.round((q2 - minValue) * unitSize + canvasLeft),
                Math.round(canvasHeight * 0.1),
                Math.round((q2 - minValue) * unitSize + canvasLeft),
                Math.round(canvasHeight * 0.9),
                options.get('medianColor')).append();
            if (options.get('target')) {
                size = Math.ceil(options.get('spotRadius'));
                target.drawLine(
                    Math.round((options.get('target') - minValue) * unitSize + canvasLeft),
                    Math.round((canvasHeight / 2) - size),
                    Math.round((options.get('target') - minValue) * unitSize + canvasLeft),
                    Math.round((canvasHeight / 2) + size),
                    options.get('targetColor')).append();
                target.drawLine(
                    Math.round((options.get('target') - minValue) * unitSize + canvasLeft - size),
                    Math.round(canvasHeight / 2),
                    Math.round((options.get('target') - minValue) * unitSize + canvasLeft + size),
                    Math.round(canvasHeight / 2),
                    options.get('targetColor')).append();
            }
            target.render();
        }
    });

// Setup a very simple "virtual canvas" to make drawing the few shapes we need easier
    // This is accessible as $(foo).simpledraw()

if ($.browser.msie && !document.namespaces.v) {
        document.namespaces.add('v', 'urn:schemas-microsoft-com:vml', '#default#VML');
    }

if ($.browser.hasCanvas === undefined) {
        $.browser.hasCanvas = document.createElement('canvas').getContext !== undefined;
    }

VShape = createClass({
        init: function (target, id, type, args) {
            this.target = target;
            this.id = id;
            this.type = type;
            this.args = args;
        },
        append: function () {
            this.target.appendShape(this);
            return this;
        }
    });

VCanvas_base = createClass({
        _pxregex: /(\d+)(px)?\s*$/i,

init: function (width, height, target) {
            if (!width) {
                return;
            }
            this.width = width;
            this.height = height;
            this.target = target;
            this.lastShapeId = null;
            if (target[0]) {
                target = target[0];
            }
            $.data(target, '_jqs_vcanvas', this);
        },

drawLine: function (x1, y1, x2, y2, lineColor, lineWidth) {
            return this.drawShape([[x1, y1], [x2, y2]], lineColor, lineWidth);
        },

drawShape: function (path, lineColor, fillColor, lineWidth) {
            return this._genShape('Shape', [path, lineColor, fillColor, lineWidth]);
        },

drawCircle: function (x, y, radius, lineColor, fillColor, lineWidth) {
            return this._genShape('Circle', [x, y, radius, lineColor, fillColor, lineWidth]);
        },

drawPieSlice: function (x, y, radius, startAngle, endAngle, lineColor, fillColor) {
            return this._genShape('PieSlice', [x, y, radius, startAngle, endAngle, lineColor, fillColor]);
        },

drawRect: function (x, y, width, height, lineColor, fillColor) {
            return this._genShape('Rect', [x, y, width, height, lineColor, fillColor]);
        },

getElement: function () {
            return this.canvas;
        },

/**
         * Return the most recently inserted shape id
         */
        getLastShapeId: function () {
            return this.lastShapeId;
        },

/**
         * Clear and reset the canvas
         */
        reset: function () {
            alert('reset not implemented');
        },

_insert: function (el, target) {
            $(target).html(el);
        },

/**
         * Calculate the pixel dimensions of the canvas
         */
        _calculatePixelDims: function (width, height, canvas) {
            // XXX This should probably be a configurable option
            var match;
            match = this._pxregex.exec(height);
            if (match) {
                this.pixelHeight = match[1];
            } else {
                this.pixelHeight = $(canvas).height();
            }
            match = this._pxregex.exec(width);
            if (match) {
                this.pixelWidth = match[1];
            } else {
                this.pixelWidth = $(canvas).width();
            }
        },

/**
         * Generate a shape object and id for later rendering
         */
        _genShape: function (shapetype, shapeargs) {
            var id = shapeCount++;
            shapeargs.unshift(id);
            return new VShape(this, id, shapetype, shapeargs);
        },

/**
         * Add a shape to the end of the render queue
         */
        appendShape: function (shape) {
            alert('appendShape not implemented');
        },

/**
         * Replace one shape with another
         */
        replaceWithShape: function (shapeid, shape) {
            alert('replaceWithShape not implemented');
        },

/**
         * Insert one shape after another in the render queue
         */
        insertAfterShape: function (shapeid, shape) {
            alert('insertAfterShape not implemented');
        },

/**
         * Remove a shape from the queue
         */
        removeShapeId: function (shapeid) {
            alert('removeShapeId not implemented');
        },

/**
         * Find a shape at the specified x/y co-ordinates
         */
        getShapeAt: function (el, x, y) {
            alert('getShapeAt not implemented');
        },

/**
         * Render all queued shapes onto the canvas
         */
        render: function () {
            alert('render not implemented');
        }
    });

VCanvas_canvas = createClass(VCanvas_base, {
        init: function (width, height, target, interact) {
            VCanvas_canvas._super.init.call(this, width, height, target);
            this.canvas = document.createElement('canvas');
            if (target[0]) {
                target = target[0];
            }
            $.data(target, '_jqs_vcanvas', this);
            $(this.canvas).css({ display: 'inline-block', width: width, height: height, verticalAlign: 'top' });
            this._insert(this.canvas, target);
            this._calculatePixelDims(width, height, this.canvas);
            this.canvas.width = this.pixelWidth;
            this.canvas.height = this.pixelHeight;
            this.interact = interact;
            this.shapes = {};
            this.shapeseq = [];
            this.currentTargetShapeId = undefined;
            $(this.canvas).css({width: this.pixelWidth, height: this.pixelHeight});
        },

_getContext: function (lineColor, fillColor, lineWidth) {
            var context = this.canvas.getContext('2d');
            if (lineColor !== undefined) {
                context.strokeStyle = lineColor;
            }
            context.lineWidth = lineWidth === undefined ? 1 : lineWidth;
            if (fillColor !== undefined) {
                context.fillStyle = fillColor;
            }
            return context;
        },

reset: function () {
            var context = this._getContext();
            context.clearRect(0, 0, this.pixelWidth, this.pixelHeight);
            this.shapes = {};
            this.shapeseq = [];
            this.currentTargetShapeId = undefined;
        },

_drawShape: function (shapeid, path, lineColor, fillColor, lineWidth) {
 var context = this._getContext(lineColor, fillColor, lineWidth),
 i, plen;
 context.beginPath();
 context.moveTo(path[0][0] + 0.5, path[0][1] + 0.5);
 for (i = 1, plen = path.length; i < plen; i++) {
 context.lineTo(path[i][0] + 0.5, path[i][1] + 0.5); // the 0.5 offset gives us crisp pixel-width lines
 }
 if (lineColor !== undefined) {
 context.stroke();
 }
 if (fillColor !== undefined) {
 context.fill();
 }
 if (this.targetX !== undefined && this.targetY !== undefined &&
 context.isPointInPath(this.targetX, this.targetY)) {
 this.currentTargetShapeId = shapeid;
 }
 },

_drawCircle: function (shapeid, x, y, radius, lineColor, fillColor, lineWidth) {
            var context = this._getContext(lineColor, fillColor, lineWidth);
            context.beginPath();
            context.arc(x, y, radius, 0, 2 * Math.PI, false);
            if (this.targetX !== undefined && this.targetY !== undefined &&
                context.isPointInPath(this.targetX, this.targetY)) {
                this.currentTargetShapeId = shapeid;
            }
            if (lineColor !== undefined) {
                context.stroke();
            }
            if (fillColor !== undefined) {
                context.fill();
            }
        },

_drawPieSlice: function (shapeid, x, y, radius, startAngle, endAngle, lineColor, fillColor) {
            var context = this._getContext(lineColor, fillColor);
            context.beginPath();
            context.moveTo(x, y);
            context.arc(x, y, radius, startAngle, endAngle, false);
            context.lineTo(x, y);
            context.closePath();
            if (lineColor !== undefined) {
                context.stroke();
            }
            if (fillColor) {
                context.fill();
            }
            if (this.targetX !== undefined && this.targetY !== undefined &&
                context.isPointInPath(this.targetX, this.targetY)) {
                this.currentTargetShapeId = shapeid;
            }
        },

_drawRect: function (shapeid, x, y, width, height, lineColor, fillColor) {
            return this._drawShape(shapeid, [[x, y], [x + width, y], [x + width, y + height], [x, y + height], [x, y]], lineColor, fillColor);
        },

appendShape: function (shape) {
            this.shapes[shape.id] = shape;
            this.shapeseq.push(shape.id);
            this.lastShapeId = shape.id;
            return shape.id;
        },

replaceWithShape: function (shapeid, shape) {
            var shapeseq = this.shapeseq,
                i;
            this.shapes[shape.id] = shape;
            for (i = shapeseq.length; i--;) {
                if (shapeseq[i] == shapeid) {
                    shapeseq[i] = shape.id;
                }
            }
            delete this.shapes[shapeid];
        },

replaceWithShapes: function (shapeids, shapes) {
            var shapeseq = this.shapeseq,
                shapemap = {},
                sid, i, first;

for (i = shapeids.length; i--;) {
                shapemap[shapeids[i]] = true;
            }
            for (i = shapeseq.length; i--;) {
                sid = shapeseq[i];
                if (shapemap[sid]) {
                    shapeseq.splice(i, 1);
                    delete this.shapes[sid];
                    first = i;
                }
            }
            for (i = shapes.length; i--;) {
                shapeseq.splice(first, 0, shapes[i].id);
                this.shapes[shapes[i].id] = shapes[i];
            }

insertAfterShape: function (shapeid, shape) {
            var shapeseq = this.shapeseq,
                i;
            for (i = shapeseq.length; i--;) {
                if (shapeseq[i] === shapeid) {
                    shapeseq.splice(i + 1, 0, shape.id);
                    this.shapes[shape.id] = shape;
                    return;
                }
            }
        },

removeShapeId: function (shapeid) {
            var shapeseq = this.shapeseq,
                i;
            for (i = shapeseq.length; i--;) {
                if (shapeseq[i] === shapeid) {
                    shapeseq.splice(i, 1);
                    break;
                }
            }
            delete this.shapes[shapeid];
        },

getShapeAt: function (el, x, y) {
            this.targetX = x;
            this.targetY = y;
            this.render();
            return this.currentTargetShapeId;
        },

render: function () {
 var shapeseq = this.shapeseq,
 shapes = this.shapes,
 shapeCount = shapeseq.length,
 context = this._getContext(),
 shapeid, shape, i;
 context.clearRect(0, 0, this.pixelWidth, this.pixelHeight);
 for (i = 0; i < shapeCount; i++) {
 shapeid = shapeseq[i];
 shape = shapes[shapeid];
 this['_draw' + shape.type].apply(this, shape.args);
 }
 if (!this.interact) {
 // not interactive so no need to keep the shapes array
 this.shapes = {};
 this.shapeseq = [];
 }
 }

});

VCanvas_vml = createClass(VCanvas_base, {
 init: function (width, height, target) {
 var groupel;
 VCanvas_vml._super.init.call(this, width, height, target);
 if (target[0]) {
 target = target[0];
 }
 $.data(target, '_jqs_vcanvas', this);
 this.canvas = document.createElement('span');
 $(this.canvas).css({ display: 'inline-block', position: 'relative', overflow: 'hidden', width: width, height: height, margin: '0px', padding: '0px', verticalAlign: 'top'});
 this._insert(this.canvas, target);
 this._calculatePixelDims(width, height, this.canvas);
 this.canvas.width = this.pixelWidth;
 this.canvas.height = this.pixelHeight;
 groupel = '<v:group coordorigin="0 0" coordsize="' + this.pixelWidth + ' ' + this.pixelHeight + '"' +
 ' style="position:absolute;top:0;left:0;width:' + this.pixelWidth + 'px;height=' + this.pixelHeight + 'px;"></v:group>';
 this.canvas.insertAdjacentHTML('beforeEnd', groupel);
 this.group = $(this.canvas).children()[0];
 this.rendered = false;
 this.prerender = '';
 },

_drawShape: function (shapeid, path, lineColor, fillColor, lineWidth) {
 var vpath = [],
 initial, stroke, fill, closed, vel, plen, i;
 for (i = 0, plen = path.length; i < plen; i++) {
 vpath[i] = '' + (path[i][0]) + ',' + (path[i][1]);
 }
 initial = vpath.splice(0, 1);
 lineWidth = lineWidth === undefined ? 1 : lineWidth;
 stroke = lineColor === undefined ? ' stroked="false" ' : ' strokeWeight="' + lineWidth + 'px" strokeColor="' + lineColor + '" ';
 fill = fillColor === undefined ? ' filled="false"' : ' fillColor="' + fillColor + '" filled="true" ';
 closed = vpath[0] === vpath[vpath.length - 1] ? 'x ' : '';
 vel = '<v:shape coordorigin="0 0" coordsize="' + this.pixelWidth + ' ' + this.pixelHeight + '" ' +
 ' id="jqsshape' + shapeid + '" ' +
 stroke +
 fill +
 ' style="position:absolute;left:0px;top:0px;height:' + this.pixelHeight + 'px;width:' + this.pixelWidth + 'px;padding:0px;margin:0px;" ' +
 ' path="m ' + initial + ' l ' + vpath.join(', ') + ' ' + closed + 'e">' +
 ' </v:shape>';
 return vel;
 },

_drawCircle: function (shapeid, x, y, radius, lineColor, fillColor, lineWidth) {
 var stroke, fill, vel;
 x -= radius;
 y -= radius;
 stroke = lineColor === undefined ? ' stroked="false" ' : ' strokeWeight="' + lineWidth + 'px" strokeColor="' + lineColor + '" ';
 fill = fillColor === undefined ? ' filled="false"' : ' fillColor="' + fillColor + '" filled="true" ';
 vel = '<v:oval ' +
 ' id="jqsshape' + shapeid + '" ' +
 stroke +
 fill +
 ' style="position:absolute;top:' + y + 'px; left:' + x + 'px; width:' + (radius * 2) + 'px; height:' + (radius * 2) + 'px"></v:oval>';
 return vel;

_drawPieSlice: function (shapeid, x, y, radius, startAngle, endAngle, lineColor, fillColor) {
            var vpath, startx, starty, endx, endy, stroke, fill, vel;
            if (startAngle === endAngle) {
                return;  // VML seems to have problem when start angle equals end angle.
            }
            if ((endAngle - startAngle) === (2 * Math.PI)) {
                startAngle = 0.0;  // VML seems to have a problem when drawing a full circle that doesn't start 0
                endAngle = (2 * Math.PI);
            }

startx = x + Math.round(Math.cos(startAngle) * radius);
            starty = y + Math.round(Math.sin(startAngle) * radius);
            endx = x + Math.round(Math.cos(endAngle) * radius);
            endy = y + Math.round(Math.sin(endAngle) * radius);

// Prevent very small slices from being mistaken as a whole pie
 if (startx === endx && starty === endy && (endAngle - startAngle) < Math.PI) {
 return;
 }

vpath = [x - radius, y - radius, x + radius, y + radius, startx, starty, endx, endy];
 stroke = lineColor === undefined ? ' stroked="false" ' : ' strokeWeight="1px" strokeColor="' + lineColor + '" ';
 fill = fillColor === undefined ? ' filled="false"' : ' fillColor="' + fillColor + '" filled="true" ';
 vel = '<v:shape coordorigin="0 0" coordsize="' + this.pixelWidth + ' ' + this.pixelHeight + '" ' +
 ' id="jqsshape' + shapeid + '" ' +
 stroke +
 fill +
 ' style="position:absolute;left:0px;top:0px;height:' + this.pixelHeight + 'px;width:' + this.pixelWidth + 'px;padding:0px;margin:0px;" ' +
 ' path="m ' + x + ',' + y + ' wa ' + vpath.join(', ') + ' x e">' +
 ' </v:shape>';
 return vel;
 },

_drawRect: function (shapeid, x, y, width, height, lineColor, fillColor) {
            return this._drawShape(shapeid, [[x, y], [x, y + height], [x + width, y + height], [x + width, y], [x, y]], lineColor, fillColor);
        },

reset: function () {
            this.group.innerHTML = '';
        },

appendShape: function (shape) {
            var vel = this['_draw' + shape.type].apply(this, shape.args);
            if (this.rendered) {
                this.group.insertAdjacentHTML('beforeEnd', vel);
            } else {
                this.prerender += vel;
            }
            this.lastShapeId = shape.id;
            return shape.id;
        },

replaceWithShape: function (shapeid, shape) {
            var existing = $('#jqsshape' + shapeid),
                vel = this['_draw' + shape.type].apply(this, shape.args);
            existing[0].outerHTML = vel;
        },

replaceWithShapes: function (shapeids, shapes) {
 // replace the first shapeid with all the new shapes then toast the remaining old shapes
 var existing = $('#jqsshape' + shapeids[0]),
 replace = '',
 slen = shapes.length,
 i;
 for (i = 0; i < slen; i++) {
 replace += this['_draw' + shapes[i].type].apply(this, shapes[i].args);
 }
 existing[0].outerHTML = replace;
 for (i = 1; i < shapeids.length; i++) {
 $('#jqsshape' + shapeids[i]).remove();
 }
 },

insertAfterShape: function (shapeid, shape) {
            var existing = $('#jqsshape' + shapeid),
                 vel = this['_draw' + shape.type].apply(this, shape.args);
            existing[0].insertAdjacentHTML('afterEnd', vel);
        },

removeShapeId: function (shapeid) {
            var existing = $('#jqsshape' + shapeid);
            this.group.removeChild(existing[0]);
        },

getShapeAt: function (el, x, y) {
            var shapeid = el.id.substr(8);
            return shapeid;
        },

render: function () {
            if (!this.rendered) {
                // batch the intial render into a single repaint
                this.group.innerHTML = this.prerender;
                this.rendered = true;
            }
        }
    });

})(jQuery);

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