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Overview
Comment:Update jquery & Flot to latest
Timelines: family | ancestors | descendants | both | NEWNET
Files: files | file ages | folders
SHA1:15ce2da93710de8487d36174f5bc00e2ec65dfd6
User & Date: jim 2014-01-25 13:26:50
Context
2014-06-26
19:14
Did copper pour on board check-in: 10beb15f1a user: jim tags: NEWNET
2014-03-30
12:24
Create new branch named "ASYNCOM" Leaf check-in: 43531dba4f user: jim tags: ASYNCOM
2014-01-25
13:26
Update jquery & Flot to latest check-in: 15ce2da937 user: jim tags: NEWNET
2014-01-23
09:53
Update with fire ckt changes check-in: ed6ce3c8ec user: jim tags: NEWNET
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/* Javascript plotting library for jQuery, v. 0.6.
 *

 * Released under the MIT license by IOLA, December 2007.
 *
 */

// first an inline dependency, jquery.colorhelpers.js, we inline it here
// for convenience

/* Plugin for jQuery for working with colors.
 * 
 * Version 1.0.
 * 
 * Inspiration from jQuery color animation plugin by John Resig.
 *
 * Released under the MIT license by Ole Laursen, October 2009.
 *
 * Examples:
 *
 *   $.color.parse("#fff").scale('rgb', 0.25).add('a', -0.5).toString()
 *   var c = $.color.extract($("#mydiv"), 'background-color');
 *   console.log(c.r, c.g, c.b, c.a);
 *   $.color.make(100, 50, 25, 0.4).toString() // returns "rgba(100,50,25,0.4)"
 *
 * Note that .scale() and .add() work in-place instead of returning
 * new objects.



 */ 
(function(){jQuery.color={};jQuery.color.make=function(E,D,B,C){var F={};F.r=E||0;F.g=D||0;F.b=B||0;F.a=C!=null?C:1;F.add=function(I,H){for(var G=0;G<I.length;++G){F[I.charAt(G)]+=H}return F.normalize()};F.scale=function(I,H){for(var G=0;G<I.length;++G){F[I.charAt(G)]*=H}return F.normalize()};F.toString=function(){if(F.a>=1){return"rgb("+[F.r,F.g,F.b].join(",")+")"}else{return"rgba("+[F.r,F.g,F.b,F.a].join(",")+")"}};F.normalize=function(){function G(I,J,H){return J<I?I:(J>H?H:J)}F.r=G(0,parseInt(F.r),255);F.g=G(0,parseInt(F.g),255);F.b=G(0,parseInt(F.b),255);F.a=G(0,F.a,1);return F};F.clone=function(){return jQuery.color.make(F.r,F.b,F.g,F.a)};return F.normalize()};jQuery.color.extract=function(C,B){var D;do{D=C.css(B).toLowerCase();if(D!=""&&D!="transparent"){break}C=C.parent()}while(!jQuery.nodeName(C.get(0),"body"));if(D=="rgba(0, 0, 0, 0)"){D="transparent"}return jQuery.color.parse(D)};jQuery.color.parse=function(E){var D,B=jQuery.color.make;if(D=/rgb\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*\)/.exec(E)){return B(parseInt(D[1],10),parseInt(D[2],10),parseInt(D[3],10))}if(D=/rgba\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]+(?:\.[0-9]+)?)\s*\)/.exec(E)){return B(parseInt(D[1],10),parseInt(D[2],10),parseInt(D[3],10),parseFloat(D[4]))}if(D=/rgb\(\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*\)/.exec(E)){return B(parseFloat(D[1])*2.55,parseFloat(D[2])*2.55,parseFloat(D[3])*2.55)}if(D=/rgba\(\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\s*\)/.exec(E)){return B(parseFloat(D[1])*2.55,parseFloat(D[2])*2.55,parseFloat(D[3])*2.55,parseFloat(D[4]))}if(D=/#([a-fA-F0-9]{2})([a-fA-F0-9]{2})([a-fA-F0-9]{2})/.exec(E)){return B(parseInt(D[1],16),parseInt(D[2],16),parseInt(D[3],16))}if(D=/#([a-fA-F0-9])([a-fA-F0-9])([a-fA-F0-9])/.exec(E)){return B(parseInt(D[1]+D[1],16),parseInt(D[2]+D[2],16),parseInt(D[3]+D[3],16))}var C=jQuery.trim(E).toLowerCase();if(C=="transparent"){return B(255,255,255,0)}else{D=A[C];return B(D[0],D[1],D[2])}};var A={aqua:[0,255,255],azure:[240,255,255],beige:[245,245,220],black:[0,0,0],blue:[0,0,255],brown:[165,42,42],cyan:[0,255,255],darkblue:[0,0,139],darkcyan:[0,139,139],darkgrey:[169,169,169],darkgreen:[0,100,0],darkkhaki:[189,183,107],darkmagenta:[139,0,139],darkolivegreen:[85,107,47],darkorange:[255,140,0],darkorchid:[153,50,204],darkred:[139,0,0],darksalmon:[233,150,122],darkviolet:[148,0,211],fuchsia:[255,0,255],gold:[255,215,0],green:[0,128,0],indigo:[75,0,130],khaki:[240,230,140],lightblue:[173,216,230],lightcyan:[224,255,255],lightgreen:[144,238,144],lightgrey:[211,211,211],lightpink:[255,182,193],lightyellow:[255,255,224],lime:[0,255,0],magenta:[255,0,255],maroon:[128,0,0],navy:[0,0,128],olive:[128,128,0],orange:[255,165,0],pink:[255,192,203],purple:[128,0,128],violet:[128,0,128],red:[255,0,0],silver:[192,192,192],white:[255,255,255],yellow:[255,255,0]}})();


// the actual Flot code
(function($) {








































































































































































































































































































































































































































































    function Plot(placeholder, data_, options_, plugins) {
        // data is on the form:
        //   [ series1, series2 ... ]
        // where series is either just the data as [ [x1, y1], [x2, y2], ... ]
        // or { data: [ [x1, y1], [x2, y2], ... ], label: "some label", ... }
        
        var series = [],
            options = {
                // the color theme used for graphs
                // Make our graph RED
                colors: ["#ff0000", "#afd8f8", "#cb4b4b", "#4da74d", "#9440ed"],
                legend: {
                    show: true,
                    noColumns: 1, // number of colums in legend table
                    labelFormatter: null, // fn: string -> string
                    labelBoxBorderColor: "#ccc", // border color for the little label boxes
                    container: null, // container (as jQuery object) to put legend in, null means default on top of graph
                    position: "ne", // position of default legend container within plot
                    margin: 5, // distance from grid edge to default legend container within plot
                    backgroundColor: null, // null means auto-detect
                    backgroundOpacity: 0.85 // set to 0 to avoid background

                },
                xaxis: {


                    mode: null, // null or "time"



                    transform: null, // null or f: number -> number to transform axis
                    inverseTransform: null, // if transform is set, this should be the inverse function
                    min: null, // min. value to show, null means set automatically
                    max: null, // max. value to show, null means set automatically
                    autoscaleMargin: null, // margin in % to add if auto-setting min/max
                    ticks: null, // either [1, 3] or [[1, "a"], 3] or (fn: axis info -> ticks) or app. number of ticks for auto-ticks
                    tickFormatter: null, // fn: number -> string
                    labelWidth: null, // size of tick labels in pixels
                    labelHeight: null,
                    

                    // mode specific options

                    tickDecimals: null, // no. of decimals, null means auto
                    tickSize: null, // number or [number, "unit"]
                    minTickSize: null, // number or [number, "unit"]
                    monthNames: null, // list of names of months
                    timeformat: null, // format string to use
                    twelveHourClock: false // 12 or 24 time in time mode
                },
                yaxis: {
                    autoscaleMargin: 0.02

                },

                x2axis: {
                    autoscaleMargin: null
                },
                y2axis: {
                    autoscaleMargin: 0.02
                },
                series: {
                    points: {
                        show: false,
                        radius: 3,
                        lineWidth: 2, // in pixels
                        fill: true,
                        fillColor: "#ffffff"

                    },
                    lines: {
                        // we don't put in show: false so we can see
                        // whether lines were actively disabled 
                        lineWidth: 2, // in pixels
                        fill: false,
                        fillColor: null,
                        steps: false


                    },
                    bars: {
                        show: false,
                        lineWidth: 2, // in pixels
                        barWidth: 1, // in units of the x axis
                        fill: true,
                        fillColor: null,
                        align: "left", // or "center" 
                        horizontal: false // when horizontal, left is now top

                    },
                    shadowSize: 3

                },
                grid: {
                    show: true,
                    aboveData: false,
                    color: "#545454", // primary color used for outline and labels
                    backgroundColor: null, // null for transparent, else color
                    tickColor: "rgba(0,0,0,0.15)", // color used for the ticks


                    labelMargin: 5, // in pixels

                    borderWidth: 2, // in pixels
                    borderColor: null, // set if different from the grid color

                    markings: null, // array of ranges or fn: axes -> array of ranges
                    markingsColor: "#f4f4f4",
                    markingsLineWidth: 2,
                    // interactive stuff
                    clickable: false,
                    hoverable: false,
                    autoHighlight: true, // highlight in case mouse is near
                    mouseActiveRadius: 10 // how far the mouse can be away to activate an item
                },



                hooks: {}
            },
        canvas = null,      // the canvas for the plot itself
        overlay = null,     // canvas for interactive stuff on top of plot
        eventHolder = null, // jQuery object that events should be bound to
        ctx = null, octx = null,
        axes = { xaxis: {}, yaxis: {}, x2axis: {}, y2axis: {} },
        plotOffset = { left: 0, right: 0, top: 0, bottom: 0},
        canvasWidth = 0, canvasHeight = 0,
        plotWidth = 0, plotHeight = 0,
        hooks = {
            processOptions: [],
            processRawData: [],
            processDatapoints: [],



            draw: [],
            bindEvents: [],
            drawOverlay: []

        },
        plot = this;

        // public functions
        plot.setData = setData;
        plot.setupGrid = setupGrid;
        plot.draw = draw;
        plot.getPlaceholder = function() { return placeholder; };
        plot.getCanvas = function() { return canvas; };
        plot.getPlotOffset = function() { return plotOffset; };
        plot.width = function () { return plotWidth; };
        plot.height = function () { return plotHeight; };
        plot.offset = function () {
            var o = eventHolder.offset();
            o.left += plotOffset.left;
            o.top += plotOffset.top;
            return o;
        };
        plot.getData = function() { return series; };
        plot.getAxes = function() { return axes; };











        plot.getOptions = function() { return options; };
        plot.highlight = highlight;
        plot.unhighlight = unhighlight;
        plot.triggerRedrawOverlay = triggerRedrawOverlay;
        plot.pointOffset = function(point) {
            return { left: parseInt(axisSpecToRealAxis(point, "xaxis").p2c(+point.x) + plotOffset.left),


                     top: parseInt(axisSpecToRealAxis(point, "yaxis").p2c(+point.y) + plotOffset.top) };
        };





        




















        // public attributes
        plot.hooks = hooks;
        
        // initialize
        initPlugins(plot);
        parseOptions(options_);
        constructCanvas();
        setData(data_);
        setupGrid();
        draw();
        bindEvents();


        function executeHooks(hook, args) {
            args = [plot].concat(args);
            for (var i = 0; i < hook.length; ++i)
                hook[i].apply(this, args);
        }

        function initPlugins() {







            for (var i = 0; i < plugins.length; ++i) {
                var p = plugins[i];
                p.init(plot);
                if (p.options)
                    $.extend(true, options, p.options);
            }
        }
        
        function parseOptions(opts) {

            $.extend(true, options, opts);




















            if (options.grid.borderColor == null)
                options.grid.borderColor = options.grid.color;
































































            // backwards compatibility, to be removed in future
            if (options.xaxis.noTicks && options.xaxis.ticks == null)
                options.xaxis.ticks = options.xaxis.noTicks;
            if (options.yaxis.noTicks && options.yaxis.ticks == null)
                options.yaxis.ticks = options.yaxis.noTicks;








            if (options.grid.coloredAreas)
                options.grid.markings = options.grid.coloredAreas;
            if (options.grid.coloredAreasColor)
                options.grid.markingsColor = options.grid.coloredAreasColor;
            if (options.lines)
                $.extend(true, options.series.lines, options.lines);
            if (options.points)
                $.extend(true, options.series.points, options.points);
            if (options.bars)
                $.extend(true, options.series.bars, options.bars);
            if (options.shadowSize)
                options.series.shadowSize = options.shadowSize;










            for (var n in hooks)
                if (options.hooks[n] && options.hooks[n].length)
                    hooks[n] = hooks[n].concat(options.hooks[n]);

            executeHooks(hooks.processOptions, [options]);
        }

        function setData(d) {
            series = parseData(d);
            fillInSeriesOptions();
            processData();
        }
        
        function parseData(d) {
            var res = [];
            for (var i = 0; i < d.length; ++i) {
                var s = $.extend(true, {}, options.series);

                if (d[i].data) {
                    s.data = d[i].data; // move the data instead of deep-copy
                    delete d[i].data;

                    $.extend(true, s, d[i]);

                    d[i].data = s.data;
                }
................................................................................
                else
                    s.data = d[i];
                res.push(s);
            }

            return res;
        }
        
        function axisSpecToRealAxis(obj, attr) {
            var a = obj[attr];
            if (!a || a == 1)
                return axes[attr];
            if (typeof a == "number")
                return axes[attr.charAt(0) + a + attr.slice(1)];
            return a; // assume it's OK
        }
        










































































        function fillInSeriesOptions() {
            var i;
            
            // collect what we already got of colors
            var neededColors = series.length,
                usedColors = [],
                assignedColors = [];




            for (i = 0; i < series.length; ++i) {
                var sc = series[i].color;
                if (sc != null) {
                    --neededColors;
                    if (typeof sc == "number")
                        assignedColors.push(sc);
                    else
                        usedColors.push($.color.parse(series[i].color));

                }
            }
            
            // we might need to generate more colors if higher indices
            // are assigned
            for (i = 0; i < assignedColors.length; ++i) {
                neededColors = Math.max(neededColors, assignedColors[i] + 1);
            }



            // produce colors as needed








            var colors = [], variation = 0;
            i = 0;

            while (colors.length < neededColors) {
                var c;
                if (options.colors.length == i) // check degenerate case
                    c = $.color.make(100, 100, 100);
                else

                    c = $.color.parse(options.colors[i]);

                // vary color if needed
                var sign = variation % 2 == 1 ? -1 : 1;
                c.scale('rgb', 1 + sign * Math.ceil(variation / 2) * 0.2)





                // FIXME: if we're getting to close to something else,
                // we should probably skip this one
                colors.push(c);


                
                ++i;
                if (i >= options.colors.length) {




                    i = 0;
                    ++variation;
                }
            }


            // fill in the options



            var colori = 0, s;
            for (i = 0; i < series.length; ++i) {
                s = series[i];
                
                // assign colors
                if (s.color == null) {
                    s.color = colors[colori].toString();
                    ++colori;
                }
                else if (typeof s.color == "number")
                    s.color = colors[s.color].toString();

                // turn on lines automatically in case nothing is set
                if (s.lines.show == null) {
                    var v, show = true;
                    for (v in s)
                        if (s[v].show) {
                            show = false;
                            break;
                        }
                    if (show)
                        s.lines.show = true;
                }








                // setup axes
                s.xaxis = axisSpecToRealAxis(s, "xaxis");
                s.yaxis = axisSpecToRealAxis(s, "yaxis");


            }
        }
        
        function processData() {
            var topSentry = Number.POSITIVE_INFINITY,
                bottomSentry = Number.NEGATIVE_INFINITY,

                i, j, k, m, length,
                s, points, ps, x, y, axis, val, f, p;

            for (axis in axes) {
                axes[axis].datamin = topSentry;
                axes[axis].datamax = bottomSentry;
                axes[axis].used = false;
            }

            function updateAxis(axis, min, max) {
                if (min < axis.datamin)
                    axis.datamin = min;
                if (max > axis.datamax)
                    axis.datamax = max;
            }








            for (i = 0; i < series.length; ++i) {
                s = series[i];
                s.datapoints = { points: [] };
                
                executeHooks(hooks.processRawData, [ s, s.data, s.datapoints ]);
            }
            
            // first pass: clean and copy data
            for (i = 0; i < series.length; ++i) {
                s = series[i];


                var data = s.data, format = s.datapoints.format;

                if (!format) {
                    format = [];
                    // find out how to copy
                    format.push({ x: true, number: true, required: true });
                    format.push({ y: true, number: true, required: true });

                    if (s.bars.show)

                        format.push({ y: true, number: true, required: false, defaultValue: 0 });



                    


                    s.datapoints.format = format;
                }

                if (s.datapoints.pointsize != null)
                    continue; // already filled in

                if (s.datapoints.pointsize == null)
                    s.datapoints.pointsize = format.length;
                
                ps = s.datapoints.pointsize;
                points = s.datapoints.points;

                insertSteps = s.lines.show && s.lines.steps;
                s.xaxis.used = s.yaxis.used = true;
                
                for (j = k = 0; j < data.length; ++j, k += ps) {
                    p = data[j];

                    var nullify = p == null;
                    if (!nullify) {
                        for (m = 0; m < ps; ++m) {
                            val = p[m];
................................................................................
                            f = format[m];

                            if (f) {
                                if (f.number && val != null) {
                                    val = +val; // convert to number
                                    if (isNaN(val))
                                        val = null;




                                }

                                if (val == null) {
                                    if (f.required)
                                        nullify = true;
                                    
                                    if (f.defaultValue != null)
                                        val = f.defaultValue;
                                }
                            }
                            
                            points[k + m] = val;
                        }
                    }
                    
                    if (nullify) {
                        for (m = 0; m < ps; ++m) {
                            val = points[k + m];
                            if (val != null) {
                                f = format[m];
                                // extract min/max info

                                if (f.x)
                                    updateAxis(s.xaxis, val, val);

                                if (f.y)
                                    updateAxis(s.yaxis, val, val);


                            }
                            points[k + m] = null;
                        }
                    }
                    else {
                        // a little bit of line specific stuff that
                        // perhaps shouldn't be here, but lacking
................................................................................
                    }
                }
            }

            // give the hooks a chance to run
            for (i = 0; i < series.length; ++i) {
                s = series[i];
                
                executeHooks(hooks.processDatapoints, [ s, s.datapoints]);
            }

            // second pass: find datamax/datamin for auto-scaling
            for (i = 0; i < series.length; ++i) {
                s = series[i];
                points = s.datapoints.points,
                ps = s.datapoints.pointsize;


                var xmin = topSentry, ymin = topSentry,
                    xmax = bottomSentry, ymax = bottomSentry;
                
                for (j = 0; j < points.length; j += ps) {
                    if (points[j] == null)
                        continue;

                    for (m = 0; m < ps; ++m) {
                        val = points[j + m];
                        f = format[m];
                        if (!f)
                            continue;
                        
                        if (f.x) {
                            if (val < xmin)
                                xmin = val;
                            if (val > xmax)
                                xmax = val;
                        }
                        if (f.y) {
................................................................................
                            if (val < ymin)
                                ymin = val;
                            if (val > ymax)
                                ymax = val;
                        }
                    }
                }
                
                if (s.bars.show) {
                    // make sure we got room for the bar on the dancing floor







                    var delta = s.bars.align == "left" ? 0 : -s.bars.barWidth/2;





                    if (s.bars.horizontal) {
                        ymin += delta;
                        ymax += delta + s.bars.barWidth;
                    }
                    else {
                        xmin += delta;
                        xmax += delta + s.bars.barWidth;
                    }
                }
                
                updateAxis(s.xaxis, xmin, xmax);
                updateAxis(s.yaxis, ymin, ymax);
            }

            for (axis in axes) {
                if (axes[axis].datamin == topSentry)
                    axes[axis].datamin = null;
                if (axes[axis].datamax == bottomSentry)
                    axes[axis].datamax = null;
            }
        }

        function constructCanvas() {
            function makeCanvas(width, height) {
                var c = document.createElement('canvas');
                c.width = width;
                c.height = height;
                if ($.browser.msie) // excanvas hack
                    c = window.G_vmlCanvasManager.initElement(c);
                return c;
            }
            
            canvasWidth = placeholder.width();
            canvasHeight = placeholder.height();
            placeholder.html(""); // clear placeholder
            if (placeholder.css("position") == 'static')
                placeholder.css("position", "relative"); // for positioning labels and overlay

            if (canvasWidth <= 0 || canvasHeight <= 0)
                throw "Invalid dimensions for plot, width = " + canvasWidth + ", height = " + canvasHeight;

            if ($.browser.msie) // excanvas hack
                window.G_vmlCanvasManager.init_(document); // make sure everything is setup
            
            // the canvas
            canvas = $(makeCanvas(canvasWidth, canvasHeight)).appendTo(placeholder).get(0);
            ctx = canvas.getContext("2d");

            // overlay canvas for interactive features
            overlay = $(makeCanvas(canvasWidth, canvasHeight)).css({ position: 'absolute', left: 0, top: 0 }).appendTo(placeholder).get(0);
            octx = overlay.getContext("2d");
            octx.stroke();



        }

        function bindEvents() {
            // we include the canvas in the event holder too, because IE 7
            // sometimes has trouble with the stacking order
            eventHolder = $([overlay, canvas]);

            // bind events
            if (options.grid.hoverable)
                eventHolder.mousemove(onMouseMove);










            if (options.grid.clickable)
                eventHolder.click(onClick);

            executeHooks(hooks.bindEvents, [eventHolder]);
        }

        function setupGrid() {










            function setTransformationHelpers(axis, o) {



                function identity(x) { return x; }
                
                var s, m, t = o.transform || identity,
                    it = o.inverseTransform;
                    
                // add transformation helpers
                if (axis == axes.xaxis || axis == axes.x2axis) {
                    // precompute how much the axis is scaling a point
                    // in canvas space

                    s = axis.scale = plotWidth / (t(axis.max) - t(axis.min));
                    m = t(axis.min);








                    // data point to canvas coordinate
                    if (t == identity) // slight optimization
                        axis.p2c = function (p) { return (p - m) * s; };
                    else
                        axis.p2c = function (p) { return (t(p) - m) * s; };
                    // canvas coordinate to data point
                    if (!it)
                        axis.c2p = function (c) { return m + c / s; };
                    else
                        axis.c2p = function (c) { return it(m + c / s); };
                }
                else {
                    s = axis.scale = plotHeight / (t(axis.max) - t(axis.min));
                    m = t(axis.max);
                    
                    if (t == identity)
                        axis.p2c = function (p) { return (m - p) * s; };
                    else
                        axis.p2c = function (p) { return (m - t(p)) * s; };















                    if (!it)
                        axis.c2p = function (c) { return m - c / s; };
                    else
                        axis.c2p = function (c) { return it(m - c / s); };

                }

            }



            function measureLabels(axis, axisOptions) {
                var i, labels = [], l;
                
                axis.labelWidth = axisOptions.labelWidth;
                axis.labelHeight = axisOptions.labelHeight;

                if (axis == axes.xaxis || axis == axes.x2axis) {
                    // to avoid measuring the widths of the labels, we
                    // construct fixed-size boxes and put the labels inside
                    // them, we don't need the exact figures and the
                    // fixed-size box content is easy to center
                    if (axis.labelWidth == null)
                        axis.labelWidth = canvasWidth / (axis.ticks.length > 0 ? axis.ticks.length : 1);

                    // measure x label heights








                    if (axis.labelHeight == null) {
                        labels = [];
                        for (i = 0; i < axis.ticks.length; ++i) {
                            l = axis.ticks[i].label;

















                            if (l)
                                labels.push('<div class="tickLabel" style="float:left;width:' + axis.labelWidth + 'px">' + l + '</div>');



                        }
                        
                        if (labels.length > 0) {
                            var dummyDiv = $('<div style="position:absolute;top:-10000px;width:10000px;font-size:smaller">'
                                             + labels.join("") + '<div style="clear:left"></div></div>').appendTo(placeholder);
                            axis.labelHeight = dummyDiv.height();
                            dummyDiv.remove();


                        }
                    }

                }
                else if (axis.labelWidth == null || axis.labelHeight == null) {
                    // calculate y label dimensions
                    for (i = 0; i < axis.ticks.length; ++i) {
                        l = axis.ticks[i].label;


                        if (l)
                            labels.push('<div class="tickLabel">' + l + '</div>');

                    }
                    
                    if (labels.length > 0) {
                        var dummyDiv = $('<div style="position:absolute;top:-10000px;font-size:smaller">'
                                         + labels.join("") + '</div>').appendTo(placeholder);


                        if (axis.labelWidth == null)
                            axis.labelWidth = dummyDiv.width();
                        if (axis.labelHeight == null)
                            axis.labelHeight = dummyDiv.find("div").height();
                        dummyDiv.remove();

                    }
                    


                }



                if (axis.labelWidth == null)

































                    axis.labelWidth = 0;
                if (axis.labelHeight == null)



                    axis.labelHeight = 0;

            }
            
            function setGridSpacing() {
                // get the most space needed around the grid for things
                // that may stick out
                var maxOutset = options.grid.borderWidth;













                for (i = 0; i < series.length; ++i)
                    maxOutset = Math.max(maxOutset, 2 * (series[i].points.radius + series[i].points.lineWidth/2));
                
                plotOffset.left = plotOffset.right = plotOffset.top = plotOffset.bottom = maxOutset;
                







































                var margin = options.grid.labelMargin + options.grid.borderWidth;

                
                if (axes.xaxis.labelHeight > 0)
                    plotOffset.bottom = Math.max(maxOutset, axes.xaxis.labelHeight + margin);
                if (axes.yaxis.labelWidth > 0)
                    plotOffset.left = Math.max(maxOutset, axes.yaxis.labelWidth + margin);
                if (axes.x2axis.labelHeight > 0)
                    plotOffset.top = Math.max(maxOutset, axes.x2axis.labelHeight + margin);
                if (axes.y2axis.labelWidth > 0)
                    plotOffset.right = Math.max(maxOutset, axes.y2axis.labelWidth + margin);
            
                plotWidth = canvasWidth - plotOffset.left - plotOffset.right;
                plotHeight = canvasHeight - plotOffset.bottom - plotOffset.top;

            }

            
            var axis;
            for (axis in axes)

















                setRange(axes[axis], options[axis]);

            
            if (options.grid.show) {
                for (axis in axes) {






                    prepareTickGeneration(axes[axis], options[axis]);
                    setTicks(axes[axis], options[axis]);
                    measureLabels(axes[axis], options[axis]);




                }






                setGridSpacing();



            }
            else {
                plotOffset.left = plotOffset.right = plotOffset.top = plotOffset.bottom = 0;
                plotWidth = canvasWidth;
                plotHeight = canvasHeight;



            }
            
            for (axis in axes)





                setTransformationHelpers(axes[axis], options[axis]);


            if (options.grid.show)

                insertLabels();
            

            insertLegend();
        }
        
        function setRange(axis, axisOptions) {
            var min = +(axisOptions.min != null ? axisOptions.min : axis.datamin),
                max = +(axisOptions.max != null ? axisOptions.max : axis.datamax),



                delta = max - min;

            if (delta == 0.0) {
                // degenerate case
                var widen = max == 0 ? 1 : 0.01;

                if (axisOptions.min == null)
                    min -= widen;
                // alway widen max if we couldn't widen min to ensure we
                // don't fall into min == max which doesn't work
                if (axisOptions.max == null || axisOptions.min != null)
                    max += widen;
            }
            else {
                // consider autoscaling
                var margin = axisOptions.autoscaleMargin;
                if (margin != null) {
                    if (axisOptions.min == null) {
                        min -= delta * margin;
                        // make sure we don't go below zero if all values
                        // are positive
                        if (min < 0 && axis.datamin != null && axis.datamin >= 0)
                            min = 0;
                    }
                    if (axisOptions.max == null) {
                        max += delta * margin;
                        if (max > 0 && axis.datamax != null && axis.datamax <= 0)
                            max = 0;
                    }
                }
            }
            axis.min = min;
            axis.max = max;
        }

        function prepareTickGeneration(axis, axisOptions) {


            // estimate number of ticks
            var noTicks;
            if (typeof axisOptions.ticks == "number" && axisOptions.ticks > 0)
                noTicks = axisOptions.ticks;
            else if (axis == axes.xaxis || axis == axes.x2axis)

                 // heuristic based on the model a*sqrt(x) fitted to
                 // some reasonable data points
                noTicks = 0.3 * Math.sqrt(canvasWidth);
            else
                noTicks = 0.3 * Math.sqrt(canvasHeight);
            
            var delta = (axis.max - axis.min) / noTicks,
                size, generator, unit, formatter, i, magn, norm;

            if (axisOptions.mode == "time") {
                // pretty handling of time
                
                // map of app. size of time units in milliseconds
                var timeUnitSize = {
                    "second": 1000,
                    "minute": 60 * 1000,
                    "hour": 60 * 60 * 1000,
                    "day": 24 * 60 * 60 * 1000,
                    "month": 30 * 24 * 60 * 60 * 1000,
                    "year": 365.2425 * 24 * 60 * 60 * 1000
                };


                // the allowed tick sizes, after 1 year we use
                // an integer algorithm
                var spec = [
                    [1, "second"], [2, "second"], [5, "second"], [10, "second"],
                    [30, "second"], 
                    [1, "minute"], [2, "minute"], [5, "minute"], [10, "minute"],
                    [30, "minute"], 
                    [1, "hour"], [2, "hour"], [4, "hour"],
                    [8, "hour"], [12, "hour"],
                    [1, "day"], [2, "day"], [3, "day"],
                    [0.25, "month"], [0.5, "month"], [1, "month"],
                    [2, "month"], [3, "month"], [6, "month"],
                    [1, "year"]
                ];

                var minSize = 0;
                if (axisOptions.minTickSize != null) {
                    if (typeof axisOptions.tickSize == "number")
                        minSize = axisOptions.tickSize;
                    else
                        minSize = axisOptions.minTickSize[0] * timeUnitSize[axisOptions.minTickSize[1]];
                }

                for (i = 0; i < spec.length - 1; ++i)
                    if (delta < (spec[i][0] * timeUnitSize[spec[i][1]]
                                 + spec[i + 1][0] * timeUnitSize[spec[i + 1][1]]) / 2
                       && spec[i][0] * timeUnitSize[spec[i][1]] >= minSize)
                        break;
                size = spec[i][0];
                unit = spec[i][1];
                
                // special-case the possibility of several years
                if (unit == "year") {
                    magn = Math.pow(10, Math.floor(Math.log(delta / timeUnitSize.year) / Math.LN10));
                    norm = (delta / timeUnitSize.year) / magn;
                    if (norm < 1.5)
                        size = 1;
                    else if (norm < 3)
                        size = 2;
                    else if (norm < 7.5)
                        size = 5;
                    else
                        size = 10;


                    size *= magn;
                }

                if (axisOptions.tickSize) {
                    size = axisOptions.tickSize[0];
                    unit = axisOptions.tickSize[1];
                }
                
                generator = function(axis) {
                    var ticks = [],
                        tickSize = axis.tickSize[0], unit = axis.tickSize[1],
                        d = new Date(axis.min);
                    
                    var step = tickSize * timeUnitSize[unit];

                    if (unit == "second")
                        d.setUTCSeconds(floorInBase(d.getUTCSeconds(), tickSize));
                    if (unit == "minute")
                        d.setUTCMinutes(floorInBase(d.getUTCMinutes(), tickSize));
                    if (unit == "hour")
                        d.setUTCHours(floorInBase(d.getUTCHours(), tickSize));
                    if (unit == "month")
                        d.setUTCMonth(floorInBase(d.getUTCMonth(), tickSize));
                    if (unit == "year")
                        d.setUTCFullYear(floorInBase(d.getUTCFullYear(), tickSize));
                    
                    // reset smaller components
                    d.setUTCMilliseconds(0);
                    if (step >= timeUnitSize.minute)
                        d.setUTCSeconds(0);
                    if (step >= timeUnitSize.hour)
                        d.setUTCMinutes(0);
                    if (step >= timeUnitSize.day)
                        d.setUTCHours(0);
                    if (step >= timeUnitSize.day * 4)
                        d.setUTCDate(1);
                    if (step >= timeUnitSize.year)
                        d.setUTCMonth(0);


                    var carry = 0, v = Number.NaN, prev;
                    do {
                        prev = v;
                        v = d.getTime();
                        ticks.push({ v: v, label: axis.tickFormatter(v, axis) });
                        if (unit == "month") {
                            if (tickSize < 1) {
                                // a bit complicated - we'll divide the month
                                // up but we need to take care of fractions
                                // so we don't end up in the middle of a day
                                d.setUTCDate(1);
                                var start = d.getTime();
                                d.setUTCMonth(d.getUTCMonth() + 1);
                                var end = d.getTime();
                                d.setTime(v + carry * timeUnitSize.hour + (end - start) * tickSize);
                                carry = d.getUTCHours();
                                d.setUTCHours(0);
                            }
                            else
                                d.setUTCMonth(d.getUTCMonth() + tickSize);
                        }
                        else if (unit == "year") {
                            d.setUTCFullYear(d.getUTCFullYear() + tickSize);
                        }
                        else
                            d.setTime(v + step);
                    } while (v < axis.max && v != prev);

                    return ticks;
                };

                formatter = function (v, axis) {
                    var d = new Date(v);

                    // first check global format
                    if (axisOptions.timeformat != null)
                        return $.plot.formatDate(d, axisOptions.timeformat, axisOptions.monthNames);
                    
                    var t = axis.tickSize[0] * timeUnitSize[axis.tickSize[1]];
                    var span = axis.max - axis.min;
                    var suffix = (axisOptions.twelveHourClock) ? " %p" : "";
                    
                    if (t < timeUnitSize.minute)
                        fmt = "%h:%M:%S" + suffix;
                    else if (t < timeUnitSize.day) {
                        if (span < 2 * timeUnitSize.day)
                            fmt = "%h:%M" + suffix;
                        else
                            fmt = "%b %d %h:%M" + suffix;
                    }
                    else if (t < timeUnitSize.month)
                        fmt = "%b %d";
                    else if (t < timeUnitSize.year) {
                        if (span < timeUnitSize.year)
                            fmt = "%b";
                        else
                            fmt = "%b %y";
                    }
                    else
                        fmt = "%y";
                    
                    return $.plot.formatDate(d, fmt, axisOptions.monthNames);
                };
            }
            else {
                // pretty rounding of base-10 numbers
                var maxDec = axisOptions.tickDecimals;
                var dec = -Math.floor(Math.log(delta) / Math.LN10);
                if (maxDec != null && dec > maxDec)
                    dec = maxDec;


                magn = Math.pow(10, -dec);
                norm = delta / magn; // norm is between 1.0 and 10.0

                
                if (norm < 1.5)
                    size = 1;
                else if (norm < 3) {
                    size = 2;
                    // special case for 2.5, requires an extra decimal
                    if (norm > 2.25 && (maxDec == null || dec + 1 <= maxDec)) {
                        size = 2.5;
                        ++dec;
                    }
                }
                else if (norm < 7.5)
                    size = 5;
                else
                    size = 10;


                size *= magn;
                
                if (axisOptions.minTickSize != null && size < axisOptions.minTickSize)
                    size = axisOptions.minTickSize;

                if (axisOptions.tickSize != null)
                    size = axisOptions.tickSize;


                axis.tickDecimals = Math.max(0, (maxDec != null) ? maxDec : dec);














                generator = function (axis) {
                    var ticks = [];

                    // spew out all possible ticks

                    var start = floorInBase(axis.min, axis.tickSize),

                        i = 0, v = Number.NaN, prev;


                    do {
                        prev = v;
                        v = start + i * axis.tickSize;
                        ticks.push({ v: v, label: axis.tickFormatter(v, axis) });

                        ++i;
                    } while (v < axis.max && v != prev);
                    return ticks;
                };

                formatter = function (v, axis) {







                    return v.toFixed(axis.tickDecimals);








                };
            }

            axis.tickSize = unit ? [size, unit] : size;
            axis.tickGenerator = generator;
            if ($.isFunction(axisOptions.tickFormatter))
                axis.tickFormatter = function (v, axis) { return "" + axisOptions.tickFormatter(v, axis); };
            else
                axis.tickFormatter = formatter;
        }










        
        function setTicks(axis, axisOptions) {



            axis.ticks = [];





            if (!axis.used)
                return;

            
            if (axisOptions.ticks == null)




                axis.ticks = axis.tickGenerator(axis);
            else if (typeof axisOptions.ticks == "number") {
                if (axisOptions.ticks > 0)
                    axis.ticks = axis.tickGenerator(axis);
            }
            else if (axisOptions.ticks) {
                var ticks = axisOptions.ticks;















                if ($.isFunction(ticks))
                    // generate the ticks
                    ticks = ticks({ min: axis.min, max: axis.max });



                

                // clean up the user-supplied ticks, copy them over
                var i, v;

                for (i = 0; i < ticks.length; ++i) {
                    var label = null;
                    var t = ticks[i];
                    if (typeof t == "object") {
                        v = t[0];
                        if (t.length > 1)
                            label = t[1];
                    }
                    else
                        v = t;
                    if (label == null)
                        label = axis.tickFormatter(v, axis);

                    axis.ticks[i] = { v: v, label: label };
                }
            }


            if (axisOptions.autoscaleMargin != null && axis.ticks.length > 0) {
                // snap to ticks
                if (axisOptions.min == null)
                    axis.min = Math.min(axis.min, axis.ticks[0].v);
                if (axisOptions.max == null && axis.ticks.length > 1)
                    axis.max = Math.max(axis.max, axis.ticks[axis.ticks.length - 1].v);
            }
        }
      
        function draw() {
            ctx.clearRect(0, 0, canvasWidth, canvasHeight);





            var grid = options.grid;
            




            if (grid.show && !grid.aboveData)
                drawGrid();


            for (var i = 0; i < series.length; ++i)

                drawSeries(series[i]);


            executeHooks(hooks.draw, [ctx]);
            
            if (grid.show && grid.aboveData)
                drawGrid();








        }

        function extractRange(ranges, coord) {
            var firstAxis = coord + "axis",
                secondaryAxis = coord + "2axis",
                axis, from, to, reverse;

            if (ranges[firstAxis]) {
                axis = axes[firstAxis];
                from = ranges[firstAxis].from;
                to = ranges[firstAxis].to;
            }
            else if (ranges[secondaryAxis]) {
                axis = axes[secondaryAxis];
                from = ranges[secondaryAxis].from;
                to = ranges[secondaryAxis].to;
            }
            else {
                // backwards-compat stuff - to be removed in future
                axis = axes[firstAxis];


                from = ranges[coord + "1"];
                to = ranges[coord + "2"];
            }

            // auto-reverse as an added bonus
            if (from != null && to != null && from > to)
                return { from: to, to: from, axis: axis };


            

            return { from: from, to: to, axis: axis };
        }
        
        function drawGrid() {
            var i;
            
            ctx.save();
            ctx.translate(plotOffset.left, plotOffset.top);

            // draw background, if any
            if (options.grid.backgroundColor) {
                ctx.fillStyle = getColorOrGradient(options.grid.backgroundColor, plotHeight, 0, "rgba(255, 255, 255, 0)");
                ctx.fillRect(0, 0, plotWidth, plotHeight);

            }







            // draw markings
            var markings = options.grid.markings;
            if (markings) {
                if ($.isFunction(markings))
                    // xmin etc. are backwards-compatible, to be removed in future
                    markings = markings({ xmin: axes.xaxis.min, xmax: axes.xaxis.max, ymin: axes.yaxis.min, ymax: axes.yaxis.max, xaxis: axes.xaxis, yaxis: axes.yaxis, x2axis: axes.x2axis, y2axis: axes.y2axis });









                for (i = 0; i < markings.length; ++i) {
                    var m = markings[i],
                        xrange = extractRange(m, "x"),
                        yrange = extractRange(m, "y");

                    // fill in missing
................................................................................
                        continue;

                    // then draw
                    xrange.from = xrange.axis.p2c(xrange.from);
                    xrange.to = xrange.axis.p2c(xrange.to);
                    yrange.from = yrange.axis.p2c(yrange.from);
                    yrange.to = yrange.axis.p2c(yrange.to);
                    
                    if (xrange.from == xrange.to || yrange.from == yrange.to) {
                        // draw line
                        ctx.beginPath();
                        ctx.strokeStyle = m.color || options.grid.markingsColor;
                        ctx.lineWidth = m.lineWidth || options.grid.markingsLineWidth;
                        //ctx.moveTo(Math.floor(xrange.from), yrange.from);
                        //ctx.lineTo(Math.floor(xrange.to), yrange.to);
                        ctx.moveTo(xrange.from, yrange.from);
                        ctx.lineTo(xrange.to, yrange.to);
                        ctx.stroke();
                    }
                    else {
                        // fill area
                        ctx.fillStyle = m.color || options.grid.markingsColor;
                        ctx.fillRect(xrange.from, yrange.to,
                                     xrange.to - xrange.from,
                                     yrange.from - yrange.to);
                    }
                }
            }
            
            // draw the inner grid









            ctx.lineWidth = 1;



















            ctx.strokeStyle = options.grid.tickColor;
            ctx.beginPath();
            var v, axis = axes.xaxis;
            for (i = 0; i < axis.ticks.length; ++i) {
                v = axis.ticks[i].v;
                if (v <= axis.min || v >= axes.xaxis.max)
                    continue;   // skip those lying on the axes






                ctx.moveTo(Math.floor(axis.p2c(v)) + ctx.lineWidth/2, 0);
                ctx.lineTo(Math.floor(axis.p2c(v)) + ctx.lineWidth/2, plotHeight);





            }

            axis = axes.yaxis;
            for (i = 0; i < axis.ticks.length; ++i) {
                v = axis.ticks[i].v;
                if (v <= axis.min || v >= axis.max)
                    continue;

                ctx.moveTo(0, Math.floor(axis.p2c(v)) + ctx.lineWidth/2);
                ctx.lineTo(plotWidth, Math.floor(axis.p2c(v)) + ctx.lineWidth/2);



            }

            axis = axes.x2axis;





            for (i = 0; i < axis.ticks.length; ++i) {
                v = axis.ticks[i].v;







                if (v <= axis.min || v >= axis.max)
                    continue;
    
                ctx.moveTo(Math.floor(axis.p2c(v)) + ctx.lineWidth/2, -5);
                ctx.lineTo(Math.floor(axis.p2c(v)) + ctx.lineWidth/2, 5);



            }



            axis = axes.y2axis;
            for (i = 0; i < axis.ticks.length; ++i) {

                v = axis.ticks[i].v;
                if (v <= axis.min || v >= axis.max)
                    continue;


                ctx.moveTo(plotWidth-5, Math.floor(axis.p2c(v)) + ctx.lineWidth/2);
                ctx.lineTo(plotWidth+5, Math.floor(axis.p2c(v)) + ctx.lineWidth/2);


            }
            











            ctx.stroke();
            
            if (options.grid.borderWidth) {


                // draw border



                var bw = options.grid.borderWidth;













































                ctx.lineWidth = bw;
                ctx.strokeStyle = options.grid.borderColor;
                ctx.strokeRect(-bw/2, -bw/2, plotWidth + bw, plotHeight + bw);
            }


            ctx.restore();
        }

        function insertLabels() {
            placeholder.find(".tickLabels").remove();

            
            var html = ['<div class="tickLabels" style="font-size:smaller;color:' + options.grid.color + '">'];







            function addLabels(axis, labelGenerator) {









                for (var i = 0; i < axis.ticks.length; ++i) {

                    var tick = axis.ticks[i];
                    if (!tick.label || tick.v < axis.min || tick.v > axis.max)
                        continue;
                    html.push(labelGenerator(tick, axis));
                }








            }









            var margin = options.grid.labelMargin + options.grid.borderWidth;
            
            addLabels(axes.xaxis, function (tick, axis) {
                return '<div style="position:absolute;top:' + (plotOffset.top + plotHeight + margin) + 'px;left:' + Math.round(plotOffset.left + axis.p2c(tick.v) - axis.labelWidth/2) + 'px;width:' + axis.labelWidth + 'px;text-align:center" class="tickLabel">' + tick.label + "</div>";
            });
            

            
            addLabels(axes.yaxis, function (tick, axis) {
                return '<div style="position:absolute;top:' + Math.round(plotOffset.top + axis.p2c(tick.v) - axis.labelHeight/2) + 'px;right:' + (plotOffset.right + plotWidth + margin) + 'px;width:' + axis.labelWidth + 'px;text-align:right" class="tickLabel">' + tick.label + "</div>";
            });
            
            addLabels(axes.x2axis, function (tick, axis) {
                return '<div style="position:absolute;bottom:' + (plotOffset.bottom + plotHeight + margin) + 'px;left:' + Math.round(plotOffset.left + axis.p2c(tick.v) - axis.labelWidth/2) + 'px;width:' + axis.labelWidth + 'px;text-align:center" class="tickLabel">' + tick.label + "</div>";
            });
            
            addLabels(axes.y2axis, function (tick, axis) {
                return '<div style="position:absolute;top:' + Math.round(plotOffset.top + axis.p2c(tick.v) - axis.labelHeight/2) + 'px;left:' + (plotOffset.left + plotWidth + margin) +'px;width:' + axis.labelWidth + 'px;text-align:left" class="tickLabel">' + tick.label + "</div>";
            });

            html.push('</div>');
            
            placeholder.append(html.join(""));
        }

        function drawSeries(series) {
            if (series.lines.show)
                drawSeriesLines(series);
            if (series.bars.show)
                drawSeriesBars(series);
            if (series.points.show)
                drawSeriesPoints(series);
        }
        
        function drawSeriesLines(series) {
            function plotLine(datapoints, xoffset, yoffset, axisx, axisy) {
                var points = datapoints.points,
                    ps = datapoints.pointsize,
                    prevx = null, prevy = null;
                
                ctx.beginPath();
                for (var i = ps; i < points.length; i += ps) {
                    var x1 = points[i - ps], y1 = points[i - ps + 1],
                        x2 = points[i], y2 = points[i + 1];
                    
                    if (x1 == null || x2 == null)
                        continue;

                    // clip with ymin
                    if (y1 <= y2 && y1 < axisy.min) {
                        if (y2 < axisy.min)
                            continue;   // line segment is outside
................................................................................
                            continue;
                        y2 = (axisx.max - x1) / (x2 - x1) * (y2 - y1) + y1;
                        x2 = axisx.max;
                    }

                    if (x1 != prevx || y1 != prevy)
                        ctx.moveTo(axisx.p2c(x1) + xoffset, axisy.p2c(y1) + yoffset);
                    
                    prevx = x2;
                    prevy = y2;
                    ctx.lineTo(axisx.p2c(x2) + xoffset, axisy.p2c(y2) + yoffset);
                }
                ctx.stroke();
            }

            function plotLineArea(datapoints, axisx, axisy) {
                var points = datapoints.points,
                    ps = datapoints.pointsize,
                    bottom = Math.min(Math.max(0, axisy.min), axisy.max),
                    top, lastX = 0, areaOpen = false;

                
                for (var i = ps; i < points.length; i += ps) {









                    var x1 = points[i - ps], y1 = points[i - ps + 1],

                        x2 = points[i], y2 = points[i + 1];
                    

                    if (areaOpen && x1 != null && x2 == null) {
                        // close area
                        ctx.lineTo(axisx.p2c(lastX), axisy.p2c(bottom));









                        ctx.fill();
                        areaOpen = false;



                        continue;
                    }


                    if (x1 == null || x2 == null)
                        continue;

                    // clip x values
                    
                    // clip with xmin
                    if (x1 <= x2 && x1 < axisx.min) {
                        if (x2 < axisx.min)
                            continue;
                        y1 = (axisx.min - x1) / (x2 - x1) * (y2 - y1) + y1;
                        x1 = axisx.min;
                    }
................................................................................

                    if (!areaOpen) {
                        // open area
                        ctx.beginPath();
                        ctx.moveTo(axisx.p2c(x1), axisy.p2c(bottom));
                        areaOpen = true;
                    }
                    
                    // now first check the case where both is outside
                    if (y1 >= axisy.max && y2 >= axisy.max) {
                        ctx.lineTo(axisx.p2c(x1), axisy.p2c(axisy.max));
                        ctx.lineTo(axisx.p2c(x2), axisy.p2c(axisy.max));
                        lastX = x2;
                        continue;
                    }
                    else if (y1 <= axisy.min && y2 <= axisy.min) {
                        ctx.lineTo(axisx.p2c(x1), axisy.p2c(axisy.min));
                        ctx.lineTo(axisx.p2c(x2), axisy.p2c(axisy.min));
                        lastX = x2;
                        continue;
                    }
                    
                    // else it's a bit more complicated, there might

                    // be two rectangles and two triangles we need to fill
                    // in; to find these keep track of the current x values
                    var x1old = x1, x2old = x2;

                    // and clip the y values, without shortcutting

                    
                    // clip with ymin
                    if (y1 <= y2 && y1 < axisy.min && y2 >= axisy.min) {
                        x1 = (axisy.min - y1) / (y2 - y1) * (x2 - x1) + x1;
                        y1 = axisy.min;
                    }
                    else if (y2 <= y1 && y2 < axisy.min && y1 >= axisy.min) {
                        x2 = (axisy.min - y1) / (y2 - y1) * (x2 - x1) + x1;
................................................................................
                        y1 = axisy.max;
                    }
                    else if (y2 >= y1 && y2 > axisy.max && y1 <= axisy.max) {
                        x2 = (axisy.max - y1) / (y2 - y1) * (x2 - x1) + x1;
                        y2 = axisy.max;
                    }


                    // if the x value was changed we got a rectangle
                    // to fill
                    if (x1 != x1old) {
                        if (y1 <= axisy.min)
                            top = axisy.min;
                        else
                            top = axisy.max;
                        
                        ctx.lineTo(axisx.p2c(x1old), axisy.p2c(top));
                        ctx.lineTo(axisx.p2c(x1), axisy.p2c(top));

                    }
                    
                    // fill the triangles



                    ctx.lineTo(axisx.p2c(x1), axisy.p2c(y1));
                    ctx.lineTo(axisx.p2c(x2), axisy.p2c(y2));

                    // fill the other rectangle if it's there
                    if (x2 != x2old) {
                        if (y2 <= axisy.min)
                            top = axisy.min;
                        else
                            top = axisy.max;
                        
                        ctx.lineTo(axisx.p2c(x2), axisy.p2c(top));
                        ctx.lineTo(axisx.p2c(x2old), axisy.p2c(top));
                    }

                    lastX = Math.max(x2, x2old);
                }

                if (areaOpen) {
                    ctx.lineTo(axisx.p2c(lastX), axisy.p2c(bottom));
                    ctx.fill();
                }
            }
            
            ctx.save();
            ctx.translate(plotOffset.left, plotOffset.top);
            ctx.lineJoin = "round";

            var lw = series.lines.lineWidth,
                sw = series.shadowSize;
            // FIXME: consider another form of shadow when filling is turned on
................................................................................

            if (lw > 0)
                plotLine(series.datapoints, 0, 0, series.xaxis, series.yaxis);
            ctx.restore();
        }

        function drawSeriesPoints(series) {
            function plotPoints(datapoints, radius, fillStyle, offset, circumference, axisx, axisy) {
                var points = datapoints.points, ps = datapoints.pointsize;
                
                for (var i = 0; i < points.length; i += ps) {
                    var x = points[i], y = points[i + 1];
                    if (x == null || x < axisx.min || x > axisx.max || y < axisy.min || y > axisy.max)
                        continue;
                    
                    ctx.beginPath();

                    ctx.arc(axisx.p2c(x), axisy.p2c(y) + offset, radius, 0, circumference, false);






                    if (fillStyle) {
                        ctx.fillStyle = fillStyle;
                        ctx.fill();
                    }
                    ctx.stroke();
                }
            }
            
            ctx.save();
            ctx.translate(plotOffset.left, plotOffset.top);

            var lw = series.lines.lineWidth,
                sw = series.shadowSize,
                radius = series.points.radius;










            if (lw > 0 && sw > 0) {
                // draw shadow in two steps
                var w = sw / 2;
                ctx.lineWidth = w;
                ctx.strokeStyle = "rgba(0,0,0,0.1)";
                plotPoints(series.datapoints, radius, null, w + w/2, Math.PI,
                           series.xaxis, series.yaxis);

                ctx.strokeStyle = "rgba(0,0,0,0.2)";
                plotPoints(series.datapoints, radius, null, w/2, Math.PI,
                           series.xaxis, series.yaxis);
            }

            ctx.lineWidth = lw;
            ctx.strokeStyle = series.color;
            plotPoints(series.datapoints, radius,
                       getFillStyle(series.points, series.color), 0, 2 * Math.PI,
                       series.xaxis, series.yaxis);
            ctx.restore();
        }

        function drawBar(x, y, b, barLeft, barRight, offset, fillStyleCallback, axisx, axisy, c, horizontal) {
            var left, right, bottom, top,
                drawLeft, drawRight, drawTop, drawBottom,
                tmp;




            if (horizontal) {
                drawBottom = drawRight = drawTop = true;
                drawLeft = false;
                left = b;
                right = x;
                top = y + barLeft;
                bottom = y + barRight;
................................................................................
                    tmp = top;
                    top = bottom;
                    bottom = tmp;
                    drawBottom = true;
                    drawTop = false;
                }
            }
           
            // clip
            if (right < axisx.min || left > axisx.max ||
                top < axisy.min || bottom > axisy.max)
                return;
            
            if (left < axisx.min) {
                left = axisx.min;
                drawLeft = false;
            }

            if (right > axisx.max) {
                right = axisx.max;
................................................................................
                drawRight = false;
            }

            if (bottom < axisy.min) {
                bottom = axisy.min;
                drawBottom = false;
            }
            
            if (top > axisy.max) {
                top = axisy.max;
                drawTop = false;
            }

            left = axisx.p2c(left);
            bottom = axisy.p2c(bottom);
            right = axisx.p2c(right);
            top = axisy.p2c(top);
            
            // fill the bar
            if (fillStyleCallback) {
                c.beginPath();
                c.moveTo(left, bottom);
                c.lineTo(left, top);
                c.lineTo(right, top);
                c.lineTo(right, bottom);
                c.fillStyle = fillStyleCallback(bottom, top);
                c.fill();

            }

            // draw outline
            if (drawLeft || drawRight || drawTop || drawBottom) {
                c.beginPath();

                // FIXME: inline moveTo is buggy with excanvas
                c.moveTo(left, bottom + offset);
                if (drawLeft)
                    c.lineTo(left, top + offset);
                else
                    c.moveTo(left, top + offset);
                if (drawTop)
                    c.lineTo(right, top + offset);
                else
                    c.moveTo(right, top + offset);
                if (drawRight)
                    c.lineTo(right, bottom + offset);
                else
                    c.moveTo(right, bottom + offset);
                if (drawBottom)
                    c.lineTo(left, bottom + offset);
                else
                    c.moveTo(left, bottom + offset);
                c.stroke();
            }
        }
        
        function drawSeriesBars(series) {
            function plotBars(datapoints, barLeft, barRight, offset, fillStyleCallback, axisx, axisy) {
                var points = datapoints.points, ps = datapoints.pointsize;
                
                for (var i = 0; i < points.length; i += ps) {
                    if (points[i] == null)
                        continue;
                    drawBar(points[i], points[i + 1], points[i + 2], barLeft, barRight, offset, fillStyleCallback, axisx, axisy, ctx, series.bars.horizontal);
                }
            }

            ctx.save();
            ctx.translate(plotOffset.left, plotOffset.top);

            // FIXME: figure out a way to add shadows (for instance along the right edge)
            ctx.lineWidth = series.bars.lineWidth;
            ctx.strokeStyle = series.color;








            var barLeft = series.bars.align == "left" ? 0 : -series.bars.barWidth/2;





            var fillStyleCallback = series.bars.fill ? function (bottom, top) { return getFillStyle(series.bars, series.color, bottom, top); } : null;
            plotBars(series.datapoints, barLeft, barLeft + series.bars.barWidth, 0, fillStyleCallback, series.xaxis, series.yaxis);
            ctx.restore();
        }

        function getFillStyle(filloptions, seriesColor, bottom, top) {
            var fill = filloptions.fill;
            if (!fill)
                return null;

            if (filloptions.fillColor)
                return getColorOrGradient(filloptions.fillColor, bottom, top, seriesColor);
            
            var c = $.color.parse(seriesColor);
            c.a = typeof fill == "number" ? fill : 0.4;
            c.normalize();
            return c.toString();
        }
        
        function insertLegend() {




            placeholder.find(".legend").remove();


            if (!options.legend.show)
                return;
            

            var fragments = [], rowStarted = false,
                lf = options.legend.labelFormatter, s, label;



            for (i = 0; i < series.length; ++i) {
                s = series[i];
                label = s.label;

                if (!label)
                    continue;




                


























                if (i % options.legend.noColumns == 0) {
                    if (rowStarted)
                        fragments.push('</tr>');
                    fragments.push('<tr>');
                    rowStarted = true;
                }

                if (lf)
                    label = lf(label, s);
                
                fragments.push(
                    '<td class="legendColorBox"><div style="border:1px solid ' + options.legend.labelBoxBorderColor + ';padding:1px"><div style="width:4px;height:0;border:5px solid ' + s.color + ';overflow:hidden"></div></div></td>' +
                    '<td class="legendLabel">' + label + '</td>');

            }

            if (rowStarted)
                fragments.push('</tr>');
            
            if (fragments.length == 0)
                return;

            var table = '<table style="font-size:smaller;color:' + options.grid.color + '">' + fragments.join("") + '</table>';
            if (options.legend.container != null)
                $(options.legend.container).html(table);
            else {
................................................................................
                    $('<div style="position:absolute;width:' + div.width() + 'px;height:' + div.height() + 'px;' + pos +'background-color:' + c + ';"> </div>').prependTo(legend).css('opacity', options.legend.backgroundOpacity);
                }
            }
        }


        // interactive features
        
        var highlights = [],
            redrawTimeout = null;
        
        // returns the data item the mouse is over, or null if none is found
        function findNearbyItem(mouseX, mouseY, seriesFilter) {
            var maxDistance = options.grid.mouseActiveRadius,
                smallestDistance = maxDistance * maxDistance + 1,
                item = null, foundPoint = false, i, j;

            for (i = 0; i < series.length; ++i) {
                if (!seriesFilter(series[i]))
                    continue;
                
                var s = series[i],
                    axisx = s.xaxis,
                    axisy = s.yaxis,
                    points = s.datapoints.points,
                    ps = s.datapoints.pointsize,
                    mx = axisx.c2p(mouseX), // precompute some stuff to make the loop faster
                    my = axisy.c2p(mouseY),
                    maxx = maxDistance / axisx.scale,
                    maxy = maxDistance / axisy.scale;









                if (s.lines.show || s.points.show) {
                    for (j = 0; j < points.length; j += ps) {
                        var x = points[j], y = points[j + 1];
                        if (x == null)
                            continue;
                        
                        // For points and lines, the cursor must be within a
                        // certain distance to the data point
                        if (x - mx > maxx || x - mx < -maxx ||
                            y - my > maxy || y - my < -maxy)
                            continue;

                        // We have to calculate distances in pixels, not in
................................................................................
                        // data units, because the scales of the axes may be different
                        var dx = Math.abs(axisx.p2c(x) - mouseX),
                            dy = Math.abs(axisy.p2c(y) - mouseY),
                            dist = dx * dx + dy * dy; // we save the sqrt

                        // use <= to ensure last point takes precedence
                        // (last generally means on top of)
                        if (dist <= smallestDistance) {
                            smallestDistance = dist;
                            item = [i, j / ps];
                        }
                    }
                }
                    
                if (s.bars.show && !item) { // no other point can be nearby








                    var barLeft = s.bars.align == "left" ? 0 : -s.bars.barWidth/2,





                        barRight = barLeft + s.bars.barWidth;
                    
                    for (j = 0; j < points.length; j += ps) {
                        var x = points[j], y = points[j + 1], b = points[j + 2];
                        if (x == null)
                            continue;
  
                        // for a bar graph, the cursor must be inside the bar
                        if (series[i].bars.horizontal ? 
                            (mx <= Math.max(b, x) && mx >= Math.min(b, x) && 
                             my >= y + barLeft && my <= y + barRight) :
                            (mx >= x + barLeft && mx <= x + barRight &&
                             my >= Math.min(b, y) && my <= Math.max(b, y)))
                                item = [i, j / ps];
                    }
                }
            }

            if (item) {
                i = item[0];
                j = item[1];
                ps = series[i].datapoints.pointsize;
                
                return { datapoint: series[i].datapoints.points.slice(j * ps, (j + 1) * ps),
                         dataIndex: j,
                         series: series[i],
                         seriesIndex: i };
            }
            
            return null;
        }

        function onMouseMove(e) {
            if (options.grid.hoverable)
                triggerClickHoverEvent("plothover", e,
                                       function (s) { return s["hoverable"] != false; });
        }
        






        function onClick(e) {
            triggerClickHoverEvent("plotclick", e,
                                   function (s) { return s["clickable"] != false; });
        }

        // trigger click or hover event (they send the same parameters
        // so we share their code)
        function triggerClickHoverEvent(eventname, event, seriesFilter) {
            var offset = eventHolder.offset(),
                pos = { pageX: event.pageX, pageY: event.pageY },
                canvasX = event.pageX - offset.left - plotOffset.left,
                canvasY = event.pageY - offset.top - plotOffset.top;


            if (axes.xaxis.used)
                pos.x = axes.xaxis.c2p(canvasX);
            if (axes.yaxis.used)
                pos.y = axes.yaxis.c2p(canvasY);
            if (axes.x2axis.used)
                pos.x2 = axes.x2axis.c2p(canvasX);
            if (axes.y2axis.used)
                pos.y2 = axes.y2axis.c2p(canvasY);

            var item = findNearbyItem(canvasX, canvasY, seriesFilter);

            if (item) {
                // fill in mouse pos for any listeners out there
                item.pageX = parseInt(item.series.xaxis.p2c(item.datapoint[0]) + offset.left + plotOffset.left);
                item.pageY = parseInt(item.series.yaxis.p2c(item.datapoint[1]) + offset.top + plotOffset.top);
            }

            if (options.grid.autoHighlight) {
                // clear auto-highlights
                for (var i = 0; i < highlights.length; ++i) {
                    var h = highlights[i];
                    if (h.auto == eventname &&
                        !(item && h.series == item.series && h.point == item.datapoint))


                        unhighlight(h.series, h.point);
                }
                
                if (item)
                    highlight(item.series, item.datapoint, eventname);
            }
            
            placeholder.trigger(eventname, [ pos, item ]);
        }

        function triggerRedrawOverlay() {






            if (!redrawTimeout)
                redrawTimeout = setTimeout(drawOverlay, 30);
        }

        function drawOverlay() {
            redrawTimeout = null;

            // draw highlights
            octx.save();
            octx.clearRect(0, 0, canvasWidth, canvasHeight);
            octx.translate(plotOffset.left, plotOffset.top);
            
            var i, hi;
            for (i = 0; i < highlights.length; ++i) {
                hi = highlights[i];

                if (hi.series.bars.show)
                    drawBarHighlight(hi.series, hi.point);
                else
                    drawPointHighlight(hi.series, hi.point);
            }
            octx.restore();
            
            executeHooks(hooks.drawOverlay, [octx]);
        }
        
        function highlight(s, point, auto) {
            if (typeof s == "number")
                s = series[s];

            if (typeof point == "number")
                point = s.data[point];



            var i = indexOfHighlight(s, point);
            if (i == -1) {
                highlights.push({ series: s, point: point, auto: auto });

                triggerRedrawOverlay();
            }
            else if (!auto)
                highlights[i].auto = false;
        }
            
        function unhighlight(s, point) {
            if (s == null && point == null) {
                highlights = [];
                triggerRedrawOverlay();

            }
            
            if (typeof s == "number")
                s = series[s];

            if (typeof point == "number")
                point = s.data[point];



            var i = indexOfHighlight(s, point);
            if (i != -1) {
                highlights.splice(i, 1);

                triggerRedrawOverlay();
            }
        }
        
        function indexOfHighlight(s, p) {
            for (var i = 0; i < highlights.length; ++i) {
                var h = highlights[i];
                if (h.series == s && h.point[0] == p[0]
                    && h.point[1] == p[1])
                    return i;
            }
            return -1;
        }
        
        function drawPointHighlight(series, point) {
            var x = point[0], y = point[1],
                axisx = series.xaxis, axisy = series.yaxis;

            
            if (x < axisx.min || x > axisx.max || y < axisy.min || y > axisy.max)
                return;
            
            var pointRadius = series.points.radius + series.points.lineWidth / 2;
            octx.lineWidth = pointRadius;
            octx.strokeStyle = $.color.parse(series.color).scale('a', 0.5).toString();

            var radius = 1.5 * pointRadius;



            octx.beginPath();

            octx.arc(axisx.p2c(x), axisy.p2c(y), radius, 0, 2 * Math.PI, false);



            octx.stroke();
        }

        function drawBarHighlight(series, point) {















            octx.lineWidth = series.bars.lineWidth;
            octx.strokeStyle = $.color.parse(series.color).scale('a', 0.5).toString();
            var fillStyle = $.color.parse(series.color).scale('a', 0.5).toString();
            var barLeft = series.bars.align == "left" ? 0 : -series.bars.barWidth/2;


            drawBar(point[0], point[1], point[2] || 0, barLeft, barLeft + series.bars.barWidth,
                    0, function () { return fillStyle; }, series.xaxis, series.yaxis, octx, series.bars.horizontal);
        }

        function getColorOrGradient(spec, bottom, top, defaultColor) {
            if (typeof spec == "string")
                return spec;
            else {
                // assume this is a gradient spec; IE currently only
                // supports a simple vertical gradient properly, so that's
                // what we support too
                var gradient = ctx.createLinearGradient(0, top, 0, bottom);
                
                for (var i = 0, l = spec.colors.length; i < l; ++i) {
                    var c = spec.colors[i];
                    if (typeof c != "string") {
                        c = $.color.parse(defaultColor).scale('rgb', c.brightness);



                        c.a *= c.opacity;
                        c = c.toString();
                    }
                    gradient.addColorStop(i / (l - 1), c);
                }
                
                return gradient;
            }
        }
    }



    $.plot = function(placeholder, data, options) {

        var plot = new Plot($(placeholder), data, options, $.plot.plugins);
        /*var t0 = new Date();
        var t1 = new Date();
        var tstr = "time used (msecs): " + (t1.getTime() - t0.getTime())
        if (window.console)
            console.log(tstr);
        else
            alert(tstr);*/
        return plot;
    };



    $.plot.plugins = [];

    // returns a string with the date d formatted according to fmt
    $.plot.formatDate = function(d, fmt, monthNames) {
        var leftPad = function(n) {
            n = "" + n;
            return n.length == 1 ? "0" + n : n;
        };
        
        var r = [];
        var escape = false;
        var hours = d.getUTCHours();
        var isAM = hours < 12;
        if (monthNames == null)
            monthNames = ["Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec"];

        if (fmt.search(/%p|%P/) != -1) {
            if (hours > 12) {
                hours = hours - 12;
            } else if (hours == 0) {
                hours = 12;



            }
        }
        for (var i = 0; i < fmt.length; ++i) {
            var c = fmt.charAt(i);
            
            if (escape) {
                switch (c) {
                case 'h': c = "" + hours; break;
                case 'H': c = leftPad(hours); break;
                case 'M': c = leftPad(d.getUTCMinutes()); break;
                case 'S': c = leftPad(d.getUTCSeconds()); break;
                case 'd': c = "" + d.getUTCDate(); break;
                case 'm': c = "" + (d.getUTCMonth() + 1); break;
                case 'y': c = "" + d.getUTCFullYear(); break;
                case 'b': c = "" + monthNames[d.getUTCMonth()]; break;
                case 'p': c = (isAM) ? ("" + "am") : ("" + "pm"); break;
                case 'P': c = (isAM) ? ("" + "AM") : ("" + "PM"); break;
                }
                r.push(c);
                escape = false;
            }
            else {
                if (c == "%")
                    escape = true;
                else
                    r.push(c);
            }
        }
        return r.join("");
    };
    
    // round to nearby lower multiple of base
    function floorInBase(n, base) {
        return base * Math.floor(n / base);
    }
    
})(jQuery);
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741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
...
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961

962

963


964
965
966
967
968
969
970
971
972



973
974
975
976




977
978
979
980

981
982
983
984
985
986
987
988
989

990
991




992
993
994



995
996
997
998
999



1000
1001
1002


1003
1004
1005
1006
1007
1008
1009
1010
1011
1012

1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
1044
1045
1046
1047


1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058

1059



1060

1061
1062
1063
1064
1065
1066
1067
1068
1069
1070
1071
1072
1073
1074
1075
1076
1077
1078
1079
1080
1081
1082
1083
1084
1085
1086
1087
1088
1089
1090
1091
1092
1093
1094
1095
1096
1097
1098
1099
1100
1101
1102
1103
1104
1105
1106
1107
1108
1109

1110
1111
1112
1113
1114
1115
1116
1117
1118
1119
1120
1121
1122
1123
1124
....
1125
1126
1127
1128
1129
1130
1131
1132
1133
1134
1135
1136
1137
1138
1139
1140
1141
1142
1143
1144
1145
1146
1147
1148
1149
1150
1151
1152
1153
1154
1155
1156
1157
1158
1159
1160
1161
1162
1163
1164
1165
1166
1167
1168
1169
1170
1171
....
1187
1188
1189
1190
1191
1192
1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
1222
1223
1224
....
1225
1226
1227
1228
1229
1230
1231
1232
1233
1234
1235
1236
1237
1238
1239
1240
1241
1242
1243
1244
1245
1246
1247
1248
1249
1250
1251
1252
1253
1254
1255
1256
1257
1258
1259
1260
1261
1262
1263
1264
1265
1266
1267
1268
1269
1270
1271
1272
1273
1274
1275
1276
1277
1278
1279
1280
1281
1282
1283
1284
1285
1286
1287
1288
1289
1290
1291
1292
1293
1294
1295
1296
1297
1298
1299
1300
1301
1302
1303
1304
1305




1306
1307
1308
1309
1310
1311
1312
1313
1314
1315
1316
1317
1318
1319
1320
1321
1322
1323
1324
1325
1326
1327
1328
1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344


1345
1346
1347
1348

1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
1359
1360
1361
1362
1363
1364
1365
1366
1367



1368




1369
1370
1371
1372
1373
1374
1375
1376
1377
1378
1379
1380
1381
1382
1383
1384



1385
1386
1387
1388
1389
1390
1391


1392
1393
1394
1395







1396

1397
1398
1399
1400
1401
1402
1403
1404
1405



1406
1407
1408
1409
1410
1411
1412
1413
1414
1415
1416
1417
1418
1419
1420
1421
1422
1423

1424
1425
1426
1427
1428





1429
1430
1431
1432
1433
1434




1435
1436
1437

1438
1439
1440



1441
1442
1443




1444
1445
1446
1447
1448
1449
1450
1451
1452

1453
1454
1455
1456
1457
1458
1459
1460
1461
1462
1463
1464
1465
1466
1467
1468
1469
1470
1471
1472
1473
1474
1475
1476
1477
1478
1479
1480
1481
1482
1483
1484
1485
1486

1487
1488
1489
1490
1491
1492
1493




1494
1495
1496
1497
1498
1499
1500
1501
1502
1503
1504
1505
1506
1507
1508
1509

1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
1524
1525
1526
1527
1528
1529
1530
1531
1532
1533
1534
1535
1536
1537
1538
1539
1540
1541
1542
1543
1544
1545
1546
1547
1548
1549
1550
1551
1552








1553


1554
1555
1556
1557


1558
1559
1560
1561
1562
1563
1564
1565
1566
1567
1568
1569
1570
1571
1572
1573
1574
1575
1576
1577


1578
1579
1580
1581
1582
1583
1584
1585

1586
1587
1588
1589
1590
1591
1592
1593
1594
1595
1596

1597
1598
1599
1600




1601
1602
1603
1604
1605

1606
1607
1608
1609
1610
1611
1612
1613

1614
1615
1616
1617
1618
1619
1620
1621


1622
1623
1624
1625
1626
1627
1628
1629
1630
1631
1632
1633
1634
1635
1636
1637
1638
1639
1640
1641
1642
1643
1644
1645
1646
1647
1648
1649
1650
1651
1652
1653
1654
1655
1656
1657
1658
1659
1660
1661
1662
1663
1664
1665
1666

1667
1668
1669
1670


1671
1672

















































1673









1674
1675












































































































1676
1677
1678
1679
1680
1681
1682
1683
1684
1685
1686
1687
1688
1689
1690
1691
1692

1693
1694
1695
1696
1697
1698
1699
1700
1701
1702
1703


1704
1705
1706
1707
1708
1709
1710
1711
1712
1713
1714
1715
1716
1717
1718
1719
1720
1721

1722

1723
1724
1725
1726
1727
1728
1729
1730
1731

1732
1733
1734
1735
1736
1737
1738
1739
1740
1741
1742
1743
1744
1745
1746
1747
1748
1749
1750
1751
1752
1753
1754
1755
1756
1757


1758
1759


1760
1761
1762
1763
1764
1765
1766
1767
1768
1769
1770
1771

1772
1773
1774
1775
1776
1777
1778
1779
1780

1781
1782
1783

1784
1785
1786
1787
1788



1789


1790
1791
1792
1793
1794
1795
1796
1797
1798
1799
1800
1801
1802
1803
1804
1805
1806

1807
1808
1809
1810
1811
1812
1813
1814
1815
1816
1817
1818
1819
1820
1821
1822
1823
1824
1825
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835
1836
1837
1838
1839
1840
1841
1842

1843
1844
1845
1846
1847
1848
1849
1850
1851
1852
1853
1854
1855
1856
1857
1858
1859
1860
1861
1862
1863
1864
1865
1866
1867
1868
1869
1870
1871
1872
1873
1874
1875
1876
1877
1878
1879
1880
1881
1882
1883
1884
1885
1886
1887
1888
1889
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911


1912
1913
1914


1915
1916
1917
1918
1919
1920
1921
1922
1923
1924
1925
1926
1927
1928
1929
1930
1931
1932
1933
1934
1935
1936
1937
1938
1939
1940
1941
1942
1943
1944
1945
1946
....
1967
1968
1969
1970
1971
1972
1973
1974
1975
1976
1977
1978
1979


1980
1981
1982
1983
1984
1985
1986
1987
1988
1989
1990
1991
1992
1993
1994
1995
1996
1997
1998
1999
2000
2001
2002
2003
2004
2005
2006
2007
2008
2009
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
2025





2026
2027
2028
2029
2030
2031


2032
2033
2034
2035
2036
2037
2038





2039


2040
2041
2042
2043
2044

2045
2046
2047
2048
2049
2050
2051
2052
2053
2054
2055
2056
2057
2058
2059
2060
2061


2062
2063
2064
2065
2066
2067
2068


2069
2070


2071
2072


2073
2074
2075
2076
2077
2078
2079
2080
2081
2082
2083
2084
2085
2086
2087
2088
2089

2090
2091
2092
2093
2094
2095
2096
2097
2098
2099
2100
2101
2102
2103
2104
2105
2106
2107
2108
2109
2110
2111
2112
2113
2114
2115
2116
2117
2118
2119
2120
2121
2122
2123
2124
2125
2126
2127
2128
2129
2130
2131
2132
2133
2134
2135
2136
2137
2138
2139
2140
2141
2142
2143
2144
2145
2146
2147
2148
2149
2150


2151
2152

2153
2154
2155
2156
2157
2158
2159

2160
2161
2162
2163
2164
2165
2166
2167
2168
2169
2170
2171
2172
2173

2174
2175
2176
2177
2178
2179
2180
2181
2182
2183
2184
2185
2186
2187
2188
2189
2190
2191
2192

2193



2194
2195
2196


2197












2198
2199
2200
2201
2202
2203
2204
2205
2206
2207
2208
2209
2210
2211
2212
2213
2214
2215
2216
2217
2218
2219
2220
2221
2222
2223
2224
2225
2226
....
2275
2276
2277
2278
2279
2280
2281
2282
2283
2284
2285
2286
2287
2288
2289
2290
2291
2292
2293
2294
2295
2296

2297
2298
2299
2300
2301
2302
2303
2304
2305
2306
2307
2308
2309
2310
2311


2312
2313
2314
2315
2316
2317
2318
2319
2320
2321
2322
2323
2324
2325
2326
2327
2328
2329
2330
2331
2332
2333
2334
2335
2336
2337
2338
2339
2340
2341
....
2362
2363
2364
2365
2366
2367
2368
2369
2370
2371
2372
2373

2374
2375
2376
2377
2378

2379
2380
2381
2382
2383
2384
2385
2386
2387
2388
2389
2390
2391
2392
2393
2394
2395
2396
2397
....
2404
2405
2406
2407
2408
2409
2410

2411
2412
2413





2414

2415
2416
2417

2418
2419
2420
2421
2422
2423
2424
2425





2426
2427
2428
2429

2430
2431






2432
2433
2434
2435
2436
2437
2438
....
2457
2458
2459
2460
2461
2462
2463
2464
2465
2466
2467
2468
2469
2470
2471
2472
2473
2474
2475
2476
2477
2478
2479
2480
2481
2482
2483
2484
2485
2486
2487
2488
2489
2490
2491
2492
2493
2494
2495
2496
2497
2498
2499
2500
2501
2502
2503
2504
2505
2506
2507
2508
2509
2510
2511
2512
2513
2514
2515
2516
2517
2518
2519
2520
2521
2522
2523
2524
2525
2526
2527
2528
2529
2530
2531
2532
2533
2534
2535
2536
2537
2538
2539
2540
....
2561
2562
2563
2564
2565
2566
2567
2568
2569
2570
2571
2572
2573
2574
2575
2576
2577
2578
2579
2580
....
2581
2582
2583
2584
2585
2586
2587
2588
2589
2590
2591
2592
2593
2594
2595
2596
2597
2598
2599
2600





2601

2602
2603
2604
2605
2606
2607
2608
2609
2610
2611
2612
2613
2614
2615
2616
2617
2618
2619
2620
2621
2622
2623
2624
2625
2626
2627
2628
2629
2630
2631
2632
2633
2634
2635
2636
2637
2638
2639
2640
2641
2642
2643
2644
2645
2646
2647
2648
2649
2650
2651
2652
2653
2654
2655
2656
2657
2658
2659
2660
2661
2662
2663
2664
2665
2666
2667
2668
2669
2670
2671
2672
2673
2674
2675
2676
2677
2678
2679
2680
2681
2682
2683
2684
2685
2686
2687
2688
2689
2690
2691
2692
2693
2694
2695
2696
2697
2698
2699
2700
2701
2702

2703
2704
2705
2706
2707
2708
2709
2710
2711
2712
2713
2714
2715
2716
2717
2718
2719
2720
2721
2722
2723
2724
2725
2726
2727
2728
2729
2730
2731
2732
2733
2734
2735
2736
2737
2738
2739
2740



2741
2742
2743
2744
2745
2746
2747
2748
2749
2750
2751
2752
2753
2754
2755
2756
....
2786
2787
2788
2789
2790
2791
2792
2793
2794
2795
2796
2797
2798
2799
2800
2801
2802
2803
2804
2805
2806
2807
2808
2809
2810

2811
2812
2813
2814
2815
2816
2817
2818
2819
2820
2821
2822
2823
2824
2825
2826
2827
2828
2829
2830
2831
2832
2833
2834
2835
2836
....
2837
2838
2839
2840
2841
2842
2843
2844
2845
2846
2847
2848
2849
2850
2851
2852
2853
2854
2855
2856
2857
2858
2859
2860
2861
2862
2863
2864
2865
2866
2867
2868
2869
2870
2871
2872
2873
2874
2875
2876
2877
2878
2879
2880
2881
2882
2883
2884
2885
2886
2887
2888
2889
2890
2891
2892
2893
2894
2895
2896
2897
2898
2899
2900
2901
2902
2903
2904
2905
2906
2907
2908
2909
2910
2911
2912
2913
2914
2915
2916
2917
2918

2919
2920
2921
2922
2923
2924






2925
2926
2927
2928
2929
2930
2931
2932
2933
2934
2935
2936
2937
2938
2939
2940
2941
2942
2943
2944
2945
2946
2947
2948
2949
2950
2951
2952
2953
2954
2955
2956
2957
2958
2959
2960
2961
2962
2963
2964
2965
2966
2967
2968
2969
2970
2971
2972
2973
2974
2975
2976
2977
2978
2979
2980
2981
2982
2983
2984
2985
2986
2987
2988
2989
2990
2991
2992
2993
2994
2995
2996
2997
2998
2999
3000
3001
3002
3003
3004
3005
3006
3007
3008
3009
3010
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/* Javascript plotting library for jQuery, version 0.8.2.

Copyright (c) 2007-2013 IOLA and Ole Laursen.
Licensed under the MIT license.

*/

// first an inline dependency, jquery.colorhelpers.js, we inline it here
// for convenience

/* Plugin for jQuery for working with colors.
 *
 * Version 1.1.
 *
 * Inspiration from jQuery color animation plugin by John Resig.
 *
 * Released under the MIT license by Ole Laursen, October 2009.
 *
 * Examples:
 *
 *   $.color.parse("#fff").scale('rgb', 0.25).add('a', -0.5).toString()
 *   var c = $.color.extract($("#mydiv"), 'background-color');
 *   console.log(c.r, c.g, c.b, c.a);
 *   $.color.make(100, 50, 25, 0.4).toString() // returns "rgba(100,50,25,0.4)"
 *
 * Note that .scale() and .add() return the same modified object
 * instead of making a new one.
 *
 * V. 1.1: Fix error handling so e.g. parsing an empty string does
 * produce a color rather than just crashing.
 */

(function($){$.color={};$.color.make=function(r,g,b,a){var o={};o.r=r||0;o.g=g||0;o.b=b||0;o.a=a!=null?a:1;o.add=function(c,d){for(var i=0;i<c.length;++i)o[c.charAt(i)]+=d;return o.normalize()};o.scale=function(c,f){for(var i=0;i<c.length;++i)o[c.charAt(i)]*=f;return o.normalize()};o.toString=function(){if(o.a>=1){return"rgb("+[o.r,o.g,o.b].join(",")+")"}else{return"rgba("+[o.r,o.g,o.b,o.a].join(",")+")"}};o.normalize=function(){function clamp(min,value,max){return value<min?min:value>max?max:value}o.r=clamp(0,parseInt(o.r),255);o.g=clamp(0,parseInt(o.g),255);o.b=clamp(0,parseInt(o.b),255);o.a=clamp(0,o.a,1);return o};o.clone=function(){return $.color.make(o.r,o.b,o.g,o.a)};return o.normalize()};$.color.extract=function(elem,css){var c;do{c=elem.css(css).toLowerCase();if(c!=""&&c!="transparent")break;elem=elem.parent()}while(elem.length&&!$.nodeName(elem.get(0),"body"));if(c=="rgba(0, 0, 0, 0)")c="transparent";return $.color.parse(c)};$.color.parse=function(str){var res,m=$.color.make;if(res=/rgb\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*\)/.exec(str))return m(parseInt(res[1],10),parseInt(res[2],10),parseInt(res[3],10));if(res=/rgba\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]+(?:\.[0-9]+)?)\s*\)/.exec(str))return m(parseInt(res[1],10),parseInt(res[2],10),parseInt(res[3],10),parseFloat(res[4]));if(res=/rgb\(\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*\)/.exec(str))return m(parseFloat(res[1])*2.55,parseFloat(res[2])*2.55,parseFloat(res[3])*2.55);if(res=/rgba\(\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\s*\)/.exec(str))return m(parseFloat(res[1])*2.55,parseFloat(res[2])*2.55,parseFloat(res[3])*2.55,parseFloat(res[4]));if(res=/#([a-fA-F0-9]{2})([a-fA-F0-9]{2})([a-fA-F0-9]{2})/.exec(str))return m(parseInt(res[1],16),parseInt(res[2],16),parseInt(res[3],16));if(res=/#([a-fA-F0-9])([a-fA-F0-9])([a-fA-F0-9])/.exec(str))return m(parseInt(res[1]+res[1],16),parseInt(res[2]+res[2],16),parseInt(res[3]+res[3],16));var name=$.trim(str).toLowerCase();if(name=="transparent")return m(255,255,255,0);else{res=lookupColors[name]||[0,0,0];return m(res[0],res[1],res[2])}};var lookupColors={aqua:[0,255,255],azure:[240,255,255],beige:[245,245,220],black:[0,0,0],blue:[0,0,255],brown:[165,42,42],cyan:[0,255,255],darkblue:[0,0,139],darkcyan:[0,139,139],darkgrey:[169,169,169],darkgreen:[0,100,0],darkkhaki:[189,183,107],darkmagenta:[139,0,139],darkolivegreen:[85,107,47],darkorange:[255,140,0],darkorchid:[153,50,204],darkred:[139,0,0],darksalmon:[233,150,122],darkviolet:[148,0,211],fuchsia:[255,0,255],gold:[255,215,0],green:[0,128,0],indigo:[75,0,130],khaki:[240,230,140],lightblue:[173,216,230],lightcyan:[224,255,255],lightgreen:[144,238,144],lightgrey:[211,211,211],lightpink:[255,182,193],lightyellow:[255,255,224],lime:[0,255,0],magenta:[255,0,255],maroon:[128,0,0],navy:[0,0,128],olive:[128,128,0],orange:[255,165,0],pink:[255,192,203],purple:[128,0,128],violet:[128,0,128],red:[255,0,0],silver:[192,192,192],white:[255,255,255],yellow:[255,255,0]}})(jQuery);

// the actual Flot code
(function($) {

	// Cache the prototype hasOwnProperty for faster access

	var hasOwnProperty = Object.prototype.hasOwnProperty;

	///////////////////////////////////////////////////////////////////////////
	// The Canvas object is a wrapper around an HTML5 <canvas> tag.
	//
	// @constructor
	// @param {string} cls List of classes to apply to the canvas.
	// @param {element} container Element onto which to append the canvas.
	//
	// Requiring a container is a little iffy, but unfortunately canvas
	// operations don't work unless the canvas is attached to the DOM.

	function Canvas(cls, container) {

		var element = container.children("." + cls)[0];

		if (element == null) {

			element = document.createElement("canvas");
			element.className = cls;

			$(element).css({ direction: "ltr", position: "absolute", left: 0, top: 0 })
				.appendTo(container);

			// If HTML5 Canvas isn't available, fall back to [Ex|Flash]canvas

			if (!element.getContext) {
				if (window.G_vmlCanvasManager) {
					element = window.G_vmlCanvasManager.initElement(element);
				} else {
					throw new Error("Canvas is not available. If you're using IE with a fall-back such as Excanvas, then there's either a mistake in your conditional include, or the page has no DOCTYPE and is rendering in Quirks Mode.");
				}
			}
		}

		this.element = element;

		var context = this.context = element.getContext("2d");

		// Determine the screen's ratio of physical to device-independent
		// pixels.  This is the ratio between the canvas width that the browser
		// advertises and the number of pixels actually present in that space.

		// The iPhone 4, for example, has a device-independent width of 320px,
		// but its screen is actually 640px wide.  It therefore has a pixel
		// ratio of 2, while most normal devices have a ratio of 1.

		var devicePixelRatio = window.devicePixelRatio || 1,
			backingStoreRatio =
				context.webkitBackingStorePixelRatio ||
				context.mozBackingStorePixelRatio ||
				context.msBackingStorePixelRatio ||
				context.oBackingStorePixelRatio ||
				context.backingStorePixelRatio || 1;

		this.pixelRatio = devicePixelRatio / backingStoreRatio;

		// Size the canvas to match the internal dimensions of its container

		this.resize(container.width(), container.height());

		// Collection of HTML div layers for text overlaid onto the canvas

		this.textContainer = null;
		this.text = {};

		// Cache of text fragments and metrics, so we can avoid expensively
		// re-calculating them when the plot is re-rendered in a loop.

		this._textCache = {};
	}

	// Resizes the canvas to the given dimensions.
	//
	// @param {number} width New width of the canvas, in pixels.
	// @param {number} width New height of the canvas, in pixels.

	Canvas.prototype.resize = function(width, height) {

		if (width <= 0 || height <= 0) {
			throw new Error("Invalid dimensions for plot, width = " + width + ", height = " + height);
		}

		var element = this.element,
			context = this.context,
			pixelRatio = this.pixelRatio;

		// Resize the canvas, increasing its density based on the display's
		// pixel ratio; basically giving it more pixels without increasing the
		// size of its element, to take advantage of the fact that retina
		// displays have that many more pixels in the same advertised space.

		// Resizing should reset the state (excanvas seems to be buggy though)

		if (this.width != width) {
			element.width = width * pixelRatio;
			element.style.width = width + "px";
			this.width = width;
		}

		if (this.height != height) {
			element.height = height * pixelRatio;
			element.style.height = height + "px";
			this.height = height;
		}

		// Save the context, so we can reset in case we get replotted.  The
		// restore ensure that we're really back at the initial state, and
		// should be safe even if we haven't saved the initial state yet.

		context.restore();
		context.save();

		// Scale the coordinate space to match the display density; so even though we
		// may have twice as many pixels, we still want lines and other drawing to
		// appear at the same size; the extra pixels will just make them crisper.

		context.scale(pixelRatio, pixelRatio);
	};

	// Clears the entire canvas area, not including any overlaid HTML text

	Canvas.prototype.clear = function() {
		this.context.clearRect(0, 0, this.width, this.height);
	};

	// Finishes rendering the canvas, including managing the text overlay.

	Canvas.prototype.render = function() {

		var cache = this._textCache;

		// For each text layer, add elements marked as active that haven't
		// already been rendered, and remove those that are no longer active.

		for (var layerKey in cache) {
			if (hasOwnProperty.call(cache, layerKey)) {

				var layer = this.getTextLayer(layerKey),
					layerCache = cache[layerKey];

				layer.hide();

				for (var styleKey in layerCache) {
					if (hasOwnProperty.call(layerCache, styleKey)) {
						var styleCache = layerCache[styleKey];
						for (var key in styleCache) {
							if (hasOwnProperty.call(styleCache, key)) {

								var positions = styleCache[key].positions;

								for (var i = 0, position; position = positions[i]; i++) {
									if (position.active) {
										if (!position.rendered) {
											layer.append(position.element);
											position.rendered = true;
										}
									} else {
										positions.splice(i--, 1);
										if (position.rendered) {
											position.element.detach();
										}
									}
								}

								if (positions.length == 0) {
									delete styleCache[key];
								}
							}
						}
					}
				}

				layer.show();
			}
		}
	};

	// Creates (if necessary) and returns the text overlay container.
	//
	// @param {string} classes String of space-separated CSS classes used to
	//     uniquely identify the text layer.
	// @return {object} The jQuery-wrapped text-layer div.

	Canvas.prototype.getTextLayer = function(classes) {

		var layer = this.text[classes];

		// Create the text layer if it doesn't exist

		if (layer == null) {

			// Create the text layer container, if it doesn't exist

			if (this.textContainer == null) {
				this.textContainer = $("<div class='flot-text'></div>")
					.css({
						position: "absolute",
						top: 0,
						left: 0,
						bottom: 0,
						right: 0,
						'font-size': "smaller",
						color: "#545454"
					})
					.insertAfter(this.element);
			}

			layer = this.text[classes] = $("<div></div>")
				.addClass(classes)
				.css({
					position: "absolute",
					top: 0,
					left: 0,
					bottom: 0,
					right: 0
				})
				.appendTo(this.textContainer);
		}

		return layer;
	};

	// Creates (if necessary) and returns a text info object.
	//
	// The object looks like this:
	//
	// {
	//     width: Width of the text's wrapper div.
	//     height: Height of the text's wrapper div.
	//     element: The jQuery-wrapped HTML div containing the text.
	//     positions: Array of positions at which this text is drawn.
	// }
	//
	// The positions array contains objects that look like this:
	//
	// {
	//     active: Flag indicating whether the text should be visible.
	//     rendered: Flag indicating whether the text is currently visible.
	//     element: The jQuery-wrapped HTML div containing the text.
	//     x: X coordinate at which to draw the text.
	//     y: Y coordinate at which to draw the text.
	// }
	//
	// Each position after the first receives a clone of the original element.
	//
	// The idea is that that the width, height, and general 'identity' of the
	// text is constant no matter where it is placed; the placements are a
	// secondary property.
	//
	// Canvas maintains a cache of recently-used text info objects; getTextInfo
	// either returns the cached element or creates a new entry.
	//
	// @param {string} layer A string of space-separated CSS classes uniquely
	//     identifying the layer containing this text.
	// @param {string} text Text string to retrieve info for.
	// @param {(string|object)=} font Either a string of space-separated CSS
	//     classes or a font-spec object, defining the text's font and style.
	// @param {number=} angle Angle at which to rotate the text, in degrees.
	//     Angle is currently unused, it will be implemented in the future.
	// @param {number=} width Maximum width of the text before it wraps.
	// @return {object} a text info object.

	Canvas.prototype.getTextInfo = function(layer, text, font, angle, width) {

		var textStyle, layerCache, styleCache, info;

		// Cast the value to a string, in case we were given a number or such

		text = "" + text;

		// If the font is a font-spec object, generate a CSS font definition

		if (typeof font === "object") {
			textStyle = font.style + " " + font.variant + " " + font.weight + " " + font.size + "px/" + font.lineHeight + "px " + font.family;
		} else {
			textStyle = font;
		}

		// Retrieve (or create) the cache for the text's layer and styles

		layerCache = this._textCache[layer];

		if (layerCache == null) {
			layerCache = this._textCache[layer] = {};
		}

		styleCache = layerCache[textStyle];

		if (styleCache == null) {
			styleCache = layerCache[textStyle] = {};
		}

		info = styleCache[text];

		// If we can't find a matching element in our cache, create a new one

		if (info == null) {

			var element = $("<div></div>").html(text)
				.css({
					position: "absolute",
					'max-width': width,
					top: -9999
				})
				.appendTo(this.getTextLayer(layer));

			if (typeof font === "object") {
				element.css({
					font: textStyle,
					color: font.color
				});
			} else if (typeof font === "string") {
				element.addClass(font);
			}

			info = styleCache[text] = {
				width: element.outerWidth(true),
				height: element.outerHeight(true),
				element: element,
				positions: []
			};

			element.detach();
		}

		return info;
	};

	// Adds a text string to the canvas text overlay.
	//
	// The text isn't drawn immediately; it is marked as rendering, which will
	// result in its addition to the canvas on the next render pass.
	//
	// @param {string} layer A string of space-separated CSS classes uniquely
	//     identifying the layer containing this text.
	// @param {number} x X coordinate at which to draw the text.
	// @param {number} y Y coordinate at which to draw the text.
	// @param {string} text Text string to draw.
	// @param {(string|object)=} font Either a string of space-separated CSS
	//     classes or a font-spec object, defining the text's font and style.
	// @param {number=} angle Angle at which to rotate the text, in degrees.
	//     Angle is currently unused, it will be implemented in the future.
	// @param {number=} width Maximum width of the text before it wraps.
	// @param {string=} halign Horizontal alignment of the text; either "left",
	//     "center" or "right".
	// @param {string=} valign Vertical alignment of the text; either "top",
	//     "middle" or "bottom".

	Canvas.prototype.addText = function(layer, x, y, text, font, angle, width, halign, valign) {

		var info = this.getTextInfo(layer, text, font, angle, width),
			positions = info.positions;

		// Tweak the div's position to match the text's alignment

		if (halign == "center") {
			x -= info.width / 2;
		} else if (halign == "right") {
			x -= info.width;
		}

		if (valign == "middle") {
			y -= info.height / 2;
		} else if (valign == "bottom") {
			y -= info.height;
		}

		// Determine whether this text already exists at this position.
		// If so, mark it for inclusion in the next render pass.

		for (var i = 0, position; position = positions[i]; i++) {
			if (position.x == x && position.y == y) {
				position.active = true;
				return;
			}
		}

		// If the text doesn't exist at this position, create a new entry

		// For the very first position we'll re-use the original element,
		// while for subsequent ones we'll clone it.

		position = {
			active: true,
			rendered: false,
			element: positions.length ? info.element.clone() : info.element,
			x: x,
			y: y
		};

		positions.push(position);

		// Move the element to its final position within the container

		position.element.css({
			top: Math.round(y),
			left: Math.round(x),
			'text-align': halign	// In case the text wraps
		});
	};

	// Removes one or more text strings from the canvas text overlay.
	//
	// If no parameters are given, all text within the layer is removed.
	//
	// Note that the text is not immediately removed; it is simply marked as
	// inactive, which will result in its removal on the next render pass.
	// This avoids the performance penalty for 'clear and redraw' behavior,
	// where we potentially get rid of all text on a layer, but will likely
	// add back most or all of it later, as when redrawing axes, for example.
	//
	// @param {string} layer A string of space-separated CSS classes uniquely
	//     identifying the layer containing this text.
	// @param {number=} x X coordinate of the text.
	// @param {number=} y Y coordinate of the text.
	// @param {string=} text Text string to remove.
	// @param {(string|object)=} font Either a string of space-separated CSS
	//     classes or a font-spec object, defining the text's font and style.
	// @param {number=} angle Angle at which the text is rotated, in degrees.
	//     Angle is currently unused, it will be implemented in the future.

	Canvas.prototype.removeText = function(layer, x, y, text, font, angle) {
		if (text == null) {
			var layerCache = this._textCache[layer];
			if (layerCache != null) {
				for (var styleKey in layerCache) {
					if (hasOwnProperty.call(layerCache, styleKey)) {
						var styleCache = layerCache[styleKey];
						for (var key in styleCache) {
							if (hasOwnProperty.call(styleCache, key)) {
								var positions = styleCache[key].positions;
								for (var i = 0, position; position = positions[i]; i++) {
									position.active = false;
								}
							}
						}
					}
				}
			}
		} else {
			var positions = this.getTextInfo(layer, text, font, angle).positions;
			for (var i = 0, position; position = positions[i]; i++) {
				if (position.x == x && position.y == y) {
					position.active = false;
				}
			}
		}
	};

	///////////////////////////////////////////////////////////////////////////
	// The top-level container for the entire plot.

    function Plot(placeholder, data_, options_, plugins) {
        // data is on the form:
        //   [ series1, series2 ... ]
        // where series is either just the data as [ [x1, y1], [x2, y2], ... ]
        // or { data: [ [x1, y1], [x2, y2], ... ], label: "some label", ... }

        var series = [],
            options = {
                // the color theme used for graphs

                colors: ["#edc240", "#afd8f8", "#cb4b4b", "#4da74d", "#9440ed"],
                legend: {
                    show: true,
                    noColumns: 1, // number of colums in legend table
                    labelFormatter: null, // fn: string -> string
                    labelBoxBorderColor: "#ccc", // border color for the little label boxes
                    container: null, // container (as jQuery object) to put legend in, null means default on top of graph
                    position: "ne", // position of default legend container within plot
                    margin: 5, // distance from grid edge to default legend container within plot
                    backgroundColor: null, // null means auto-detect
                    backgroundOpacity: 0.85, // set to 0 to avoid background
                    sorted: null    // default to no legend sorting
                },
                xaxis: {
                    show: null, // null = auto-detect, true = always, false = never
                    position: "bottom", // or "top"
                    mode: null, // null or "time"
                    font: null, // null (derived from CSS in placeholder) or object like { size: 11, lineHeight: 13, style: "italic", weight: "bold", family: "sans-serif", variant: "small-caps" }
                    color: null, // base color, labels, ticks
                    tickColor: null, // possibly different color of ticks, e.g. "rgba(0,0,0,0.15)"
                    transform: null, // null or f: number -> number to transform axis
                    inverseTransform: null, // if transform is set, this should be the inverse function
                    min: null, // min. value to show, null means set automatically
                    max: null, // max. value to show, null means set automatically
                    autoscaleMargin: null, // margin in % to add if auto-setting min/max
                    ticks: null, // either [1, 3] or [[1, "a"], 3] or (fn: axis info -> ticks) or app. number of ticks for auto-ticks
                    tickFormatter: null, // fn: number -> string
                    labelWidth: null, // size of tick labels in pixels
                    labelHeight: null,

                    reserveSpace: null, // whether to reserve space even if axis isn't shown
                    tickLength: null, // size in pixels of ticks, or "full" for whole line
                    alignTicksWithAxis: null, // axis number or null for no sync
                    tickDecimals: null, // no. of decimals, null means auto
                    tickSize: null, // number or [number, "unit"]
                    minTickSize: null // number or [number, "unit"]



                },
                yaxis: {
                    autoscaleMargin: 0.02,
                    position: "left" // or "right"
                },
                xaxes: [],
                yaxes: [],





                series: {
                    points: {
                        show: false,
                        radius: 3,
                        lineWidth: 2, // in pixels
                        fill: true,
                        fillColor: "#ffffff",
                        symbol: "circle" // or callback
                    },
                    lines: {
                        // we don't put in show: false so we can see
                        // whether lines were actively disabled
                        lineWidth: 2, // in pixels
                        fill: false,
                        fillColor: null,
                        steps: false
                        // Omit 'zero', so we can later default its value to
                        // match that of the 'fill' option.
                    },
                    bars: {
                        show: false,
                        lineWidth: 2, // in pixels
                        barWidth: 1, // in units of the x axis
                        fill: true,
                        fillColor: null,
                        align: "left", // "left", "right", or "center"
                        horizontal: false,
                        zero: true
                    },
                    shadowSize: 3,
                    highlightColor: null
                },
                grid: {
                    show: true,
                    aboveData: false,
                    color: "#545454", // primary color used for outline and labels
                    backgroundColor: null, // null for transparent, else color
                    borderColor: null, // set if different from the grid color
                    tickColor: null, // color for the ticks, e.g. "rgba(0,0,0,0.15)"
                    margin: 0, // distance from the canvas edge to the grid
                    labelMargin: 5, // in pixels
                    axisMargin: 8, // in pixels
                    borderWidth: 2, // in pixels

                    minBorderMargin: null, // in pixels, null means taken from points radius
                    markings: null, // array of ranges or fn: axes -> array of ranges
                    markingsColor: "#f4f4f4",
                    markingsLineWidth: 2,
                    // interactive stuff
                    clickable: false,
                    hoverable: false,
                    autoHighlight: true, // highlight in case mouse is near
                    mouseActiveRadius: 10 // how far the mouse can be away to activate an item
                },
                interaction: {
                    redrawOverlayInterval: 1000/60 // time between updates, -1 means in same flow
                },
                hooks: {}
            },
        surface = null,     // the canvas for the plot itself
        overlay = null,     // canvas for interactive stuff on top of plot
        eventHolder = null, // jQuery object that events should be bound to
        ctx = null, octx = null,
        xaxes = [], yaxes = [],
        plotOffset = { left: 0, right: 0, top: 0, bottom: 0},

        plotWidth = 0, plotHeight = 0,
        hooks = {
            processOptions: [],
            processRawData: [],
            processDatapoints: [],
            processOffset: [],
            drawBackground: [],
            drawSeries: [],
            draw: [],
            bindEvents: [],
            drawOverlay: [],
            shutdown: []
        },
        plot = this;

        // public functions
        plot.setData = setData;
        plot.setupGrid = setupGrid;
        plot.draw = draw;
        plot.getPlaceholder = function() { return placeholder; };
        plot.getCanvas = function() { return surface.element; };
        plot.getPlotOffset = function() { return plotOffset; };
        plot.width = function () { return plotWidth; };
        plot.height = function () { return plotHeight; };
        plot.offset = function () {
            var o = eventHolder.offset();
            o.left += plotOffset.left;
            o.top += plotOffset.top;
            return o;
        };
        plot.getData = function () { return series; };
        plot.getAxes = function () {
            var res = {}, i;
            $.each(xaxes.concat(yaxes), function (_, axis) {
                if (axis)
                    res[axis.direction + (axis.n != 1 ? axis.n : "") + "axis"] = axis;
            });
            return res;
        };
        plot.getXAxes = function () { return xaxes; };
        plot.getYAxes = function () { return yaxes; };
        plot.c2p = canvasToAxisCoords;
        plot.p2c = axisToCanvasCoords;
        plot.getOptions = function () { return options; };
        plot.highlight = highlight;
        plot.unhighlight = unhighlight;
        plot.triggerRedrawOverlay = triggerRedrawOverlay;
        plot.pointOffset = function(point) {

            return {
                left: parseInt(xaxes[axisNumber(point, "x") - 1].p2c(+point.x) + plotOffset.left, 10),
                top: parseInt(yaxes[axisNumber(point, "y") - 1].p2c(+point.y) + plotOffset.top, 10)
            };
        };
        plot.shutdown = shutdown;
        plot.destroy = function () {
            shutdown();
            placeholder.removeData("plot").empty();

            series = [];
            options = null;
            surface = null;
            overlay = null;
            eventHolder = null;
            ctx = null;
            octx = null;
            xaxes = [];
            yaxes = [];
            hooks = null;
            highlights = [];
            plot = null;
        };
        plot.resize = function () {
        	var width = placeholder.width(),
        		height = placeholder.height();
            surface.resize(width, height);
            overlay.resize(width, height);
        };

        // public attributes
        plot.hooks = hooks;

        // initialize
        initPlugins(plot);
        parseOptions(options_);
        setupCanvases();
        setData(data_);
        setupGrid();
        draw();
        bindEvents();


        function executeHooks(hook, args) {
            args = [plot].concat(args);
            for (var i = 0; i < hook.length; ++i)
                hook[i].apply(this, args);
        }

        function initPlugins() {

            // References to key classes, allowing plugins to modify them

            var classes = {
                Canvas: Canvas
            };

            for (var i = 0; i < plugins.length; ++i) {
                var p = plugins[i];
                p.init(plot, classes);
                if (p.options)
                    $.extend(true, options, p.options);
            }
        }

        function parseOptions(opts) {

            $.extend(true, options, opts);

            // $.extend merges arrays, rather than replacing them.  When less
            // colors are provided than the size of the default palette, we
            // end up with those colors plus the remaining defaults, which is
            // not expected behavior; avoid it by replacing them here.

            if (opts && opts.colors) {
            	options.colors = opts.colors;
            }

            if (options.xaxis.color == null)
                options.xaxis.color = $.color.parse(options.grid.color).scale('a', 0.22).toString();
            if (options.yaxis.color == null)
                options.yaxis.color = $.color.parse(options.grid.color).scale('a', 0.22).toString();

            if (options.xaxis.tickColor == null) // grid.tickColor for back-compatibility
                options.xaxis.tickColor = options.grid.tickColor || options.xaxis.color;
            if (options.yaxis.tickColor == null) // grid.tickColor for back-compatibility
                options.yaxis.tickColor = options.grid.tickColor || options.yaxis.color;

            if (options.grid.borderColor == null)
                options.grid.borderColor = options.grid.color;
            if (options.grid.tickColor == null)
                options.grid.tickColor = $.color.parse(options.grid.color).scale('a', 0.22).toString();

            // Fill in defaults for axis options, including any unspecified
            // font-spec fields, if a font-spec was provided.

            // If no x/y axis options were provided, create one of each anyway,
            // since the rest of the code assumes that they exist.

            var i, axisOptions, axisCount,
                fontSize = placeholder.css("font-size"),
                fontSizeDefault = fontSize ? +fontSize.replace("px", "") : 13,
                fontDefaults = {
                    style: placeholder.css("font-style"),
                    size: Math.round(0.8 * fontSizeDefault),
                    variant: placeholder.css("font-variant"),
                    weight: placeholder.css("font-weight"),
                    family: placeholder.css("font-family")
                };

            axisCount = options.xaxes.length || 1;
            for (i = 0; i < axisCount; ++i) {

                axisOptions = options.xaxes[i];
                if (axisOptions && !axisOptions.tickColor) {
                    axisOptions.tickColor = axisOptions.color;
                }

                axisOptions = $.extend(true, {}, options.xaxis, axisOptions);
                options.xaxes[i] = axisOptions;

                if (axisOptions.font) {
                    axisOptions.font = $.extend({}, fontDefaults, axisOptions.font);
                    if (!axisOptions.font.color) {
                        axisOptions.font.color = axisOptions.color;
                    }
                    if (!axisOptions.font.lineHeight) {
                        axisOptions.font.lineHeight = Math.round(axisOptions.font.size * 1.15);
                    }
                }
            }

            axisCount = options.yaxes.length || 1;
            for (i = 0; i < axisCount; ++i) {

                axisOptions = options.yaxes[i];
                if (axisOptions && !axisOptions.tickColor) {
                    axisOptions.tickColor = axisOptions.color;
                }

                axisOptions = $.extend(true, {}, options.yaxis, axisOptions);
                options.yaxes[i] = axisOptions;

                if (axisOptions.font) {
                    axisOptions.font = $.extend({}, fontDefaults, axisOptions.font);
                    if (!axisOptions.font.color) {
                        axisOptions.font.color = axisOptions.color;
                    }
                    if (!axisOptions.font.lineHeight) {
                        axisOptions.font.lineHeight = Math.round(axisOptions.font.size * 1.15);
                    }
                }
            }

            // backwards compatibility, to be removed in future
            if (options.xaxis.noTicks && options.xaxis.ticks == null)
                options.xaxis.ticks = options.xaxis.noTicks;
            if (options.yaxis.noTicks && options.yaxis.ticks == null)
                options.yaxis.ticks = options.yaxis.noTicks;
            if (options.x2axis) {
                options.xaxes[1] = $.extend(true, {}, options.xaxis, options.x2axis);
                options.xaxes[1].position = "top";
            }
            if (options.y2axis) {
                options.yaxes[1] = $.extend(true, {}, options.yaxis, options.y2axis);
                options.yaxes[1].position = "right";
            }
            if (options.grid.coloredAreas)
                options.grid.markings = options.grid.coloredAreas;
            if (options.grid.coloredAreasColor)
                options.grid.markingsColor = options.grid.coloredAreasColor;
            if (options.lines)
                $.extend(true, options.series.lines, options.lines);
            if (options.points)
                $.extend(true, options.series.points, options.points);
            if (options.bars)
                $.extend(true, options.series.bars, options.bars);
            if (options.shadowSize != null)
                options.series.shadowSize = options.shadowSize;
            if (options.highlightColor != null)
                options.series.highlightColor = options.highlightColor;

            // save options on axes for future reference
            for (i = 0; i < options.xaxes.length; ++i)
                getOrCreateAxis(xaxes, i + 1).options = options.xaxes[i];
            for (i = 0; i < options.yaxes.length; ++i)
                getOrCreateAxis(yaxes, i + 1).options = options.yaxes[i];

            // add hooks from options
            for (var n in hooks)
                if (options.hooks[n] && options.hooks[n].length)
                    hooks[n] = hooks[n].concat(options.hooks[n]);

            executeHooks(hooks.processOptions, [options]);
        }

        function setData(d) {
            series = parseData(d);
            fillInSeriesOptions();
            processData();
        }

        function parseData(d) {
            var res = [];
            for (var i = 0; i < d.length; ++i) {
                var s = $.extend(true, {}, options.series);

                if (d[i].data != null) {
                    s.data = d[i].data; // move the data instead of deep-copy
                    delete d[i].data;

                    $.extend(true, s, d[i]);

                    d[i].data = s.data;
                }
................................................................................
                else
                    s.data = d[i];
                res.push(s);
            }

            return res;
        }

        function axisNumber(obj, coord) {
            var a = obj[coord + "axis"];
            if (typeof a == "object") // if we got a real axis, extract number
                a = a.n;
            if (typeof a != "number")
                a = 1; // default to first axis
            return a;
        }

        function allAxes() {
            // return flat array without annoying null entries
            return $.grep(xaxes.concat(yaxes), function (a) { return a; });
        }

        function canvasToAxisCoords(pos) {
            // return an object with x/y corresponding to all used axes
            var res = {}, i, axis;
            for (i = 0; i < xaxes.length; ++i) {
                axis = xaxes[i];
                if (axis && axis.used)
                    res["x" + axis.n] = axis.c2p(pos.left);
            }

            for (i = 0; i < yaxes.length; ++i) {
                axis = yaxes[i];
                if (axis && axis.used)
                    res["y" + axis.n] = axis.c2p(pos.top);
            }

            if (res.x1 !== undefined)
                res.x = res.x1;
            if (res.y1 !== undefined)
                res.y = res.y1;

            return res;
        }

        function axisToCanvasCoords(pos) {
            // get canvas coords from the first pair of x/y found in pos
            var res = {}, i, axis, key;

            for (i = 0; i < xaxes.length; ++i) {
                axis = xaxes[i];
                if (axis && axis.used) {
                    key = "x" + axis.n;
                    if (pos[key] == null && axis.n == 1)
                        key = "x";

                    if (pos[key] != null) {
                        res.left = axis.p2c(pos[key]);
                        break;
                    }
                }
            }

            for (i = 0; i < yaxes.length; ++i) {
                axis = yaxes[i];
                if (axis && axis.used) {
                    key = "y" + axis.n;
                    if (pos[key] == null && axis.n == 1)
                        key = "y";

                    if (pos[key] != null) {
                        res.top = axis.p2c(pos[key]);
                        break;
                    }
                }
            }

            return res;
        }

        function getOrCreateAxis(axes, number) {
            if (!axes[number - 1])
                axes[number - 1] = {
                    n: number, // save the number for future reference
                    direction: axes == xaxes ? "x" : "y",
                    options: $.extend(true, {}, axes == xaxes ? options.xaxis : options.yaxis)
                };

            return axes[number - 1];
        }

        function fillInSeriesOptions() {



            var neededColors = series.length, maxIndex = -1, i;



            // Subtract the number of series that already have fixed colors or
            // color indexes from the number that we still need to generate.

            for (i = 0; i < series.length; ++i) {
                var sc = series[i].color;
                if (sc != null) {
                    neededColors--;
                    if (typeof sc == "number" && sc > maxIndex) {



                        maxIndex = sc;
                    }
                }
            }





            // If any of the series have fixed color indexes, then we need to
            // generate at least as many colors as the highest index.


            if (neededColors <= maxIndex) {
                neededColors = maxIndex + 1;
            }

            // Generate all the colors, using first the option colors and then
            // variations on those colors once they're exhausted.

            var c, colors = [], colorPool = options.colors,
                colorPoolSize = colorPool.length, variation = 0;


            for (i = 0; i < neededColors; i++) {





                c = $.color.parse(colorPool[i % colorPoolSize] || "#666");




                // Each time we exhaust the colors in the pool we adjust
                // a scaling factor used to produce more variations on
                // those colors. The factor alternates negative/positive
                // to produce lighter/darker colors.




                // Reset the variation after every few cycles, or else
                // it will end up producing only white or black colors.



                if (i % colorPoolSize == 0 && i) {
                    if (variation >= 0) {
                        if (variation < 0.5) {
                            variation = -variation - 0.2;
                        } else variation = 0;
                    } else variation = -variation;
                }

                colors[i] = c.scale('rgb', 1 + variation);
            }


            // Finalize the series options, filling in their colors

            var colori = 0, s;
            for (i = 0; i < series.length; ++i) {
                s = series[i];

                // assign colors
                if (s.color == null) {
                    s.color = colors[colori].toString();
                    ++colori;
                }
                else if (typeof s.color == "number")
                    s.color = colors[s.color].toString();

                // turn on lines automatically in case nothing is set
                if (s.lines.show == null) {
                    var v, show = true;
                    for (v in s)
                        if (s[v] && s[v].show) {
                            show = false;
                            break;
                        }
                    if (show)
                        s.lines.show = true;
                }

                // If nothing was provided for lines.zero, default it to match
                // lines.fill, since areas by default should extend to zero.

                if (s.lines.zero == null) {
                    s.lines.zero = !!s.lines.fill;
                }

                // setup axes


                s.xaxis = getOrCreateAxis(xaxes, axisNumber(s, "x"));
                s.yaxis = getOrCreateAxis(yaxes, axisNumber(s, "y"));
            }
        }

        function processData() {
            var topSentry = Number.POSITIVE_INFINITY,
                bottomSentry = Number.NEGATIVE_INFINITY,
                fakeInfinity = Number.MAX_VALUE,
                i, j, k, m, length,
                s, points, ps, x, y, axis, val, f, p,

                data, format;





            function updateAxis(axis, min, max) {
                if (min < axis.datamin && min != -fakeInfinity)
                    axis.datamin = min;
                if (max > axis.datamax && max != fakeInfinity)
                    axis.datamax = max;
            }

            $.each(allAxes(), function (_, axis) {
                // init axis
                axis.datamin = topSentry;
                axis.datamax = bottomSentry;
                axis.used = false;
            });

            for (i = 0; i < series.length; ++i) {
                s = series[i];
                s.datapoints = { points: [] };

                executeHooks(hooks.processRawData, [ s, s.data, s.datapoints ]);
            }

            // first pass: clean and copy data
            for (i = 0; i < series.length; ++i) {
                s = series[i];

                data = s.data;
                format = s.datapoints.format;

                if (!format) {
                    format = [];
                    // find out how to copy
                    format.push({ x: true, number: true, required: true });
                    format.push({ y: true, number: true, required: true });

                    if (s.bars.show || (s.lines.show && s.lines.fill)) {
                        var autoscale = !!((s.bars.show && s.bars.zero) || (s.lines.show && s.lines.zero));
                        format.push({ y: true, number: true, required: false, defaultValue: 0, autoscale: autoscale });
                        if (s.bars.horizontal) {
                            delete format[format.length - 1].y;
                            format[format.length - 1].x = true;
                        }
                    }

                    s.datapoints.format = format;
                }

                if (s.datapoints.pointsize != null)
                    continue; // already filled in


                s.datapoints.pointsize = format.length;

                ps = s.datapoints.pointsize;
                points = s.datapoints.points;

                var insertSteps = s.lines.show && s.lines.steps;
                s.xaxis.used = s.yaxis.used = true;

                for (j = k = 0; j < data.length; ++j, k += ps) {
                    p = data[j];

                    var nullify = p == null;
                    if (!nullify) {
                        for (m = 0; m < ps; ++m) {
                            val = p[m];
................................................................................
                            f = format[m];

                            if (f) {
                                if (f.number && val != null) {
                                    val = +val; // convert to number
                                    if (isNaN(val))
                                        val = null;
                                    else if (val == Infinity)
                                        val = fakeInfinity;
                                    else if (val == -Infinity)
                                        val = -fakeInfinity;
                                }

                                if (val == null) {
                                    if (f.required)
                                        nullify = true;

                                    if (f.defaultValue != null)
                                        val = f.defaultValue;
                                }
                            }

                            points[k + m] = val;
                        }
                    }

                    if (nullify) {
                        for (m = 0; m < ps; ++m) {
                            val = points[k + m];
                            if (val != null) {
                                f = format[m];
                                // extract min/max info
                                if (f.autoscale !== false) {
                                    if (f.x) {
                                        updateAxis(s.xaxis, val, val);
                                    }
                                    if (f.y) {
                                        updateAxis(s.yaxis, val, val);
                                    }
                                }
                            }
                            points[k + m] = null;
                        }
                    }
                    else {
                        // a little bit of line specific stuff that
                        // perhaps shouldn't be here, but lacking
................................................................................
                    }
                }
            }

            // give the hooks a chance to run
            for (i = 0; i < series.length; ++i) {
                s = series[i];

                executeHooks(hooks.processDatapoints, [ s, s.datapoints]);
            }

            // second pass: find datamax/datamin for auto-scaling
            for (i = 0; i < series.length; ++i) {
                s = series[i];
                points = s.datapoints.points;
                ps = s.datapoints.pointsize;
                format = s.datapoints.format;

                var xmin = topSentry, ymin = topSentry,
                    xmax = bottomSentry, ymax = bottomSentry;

                for (j = 0; j < points.length; j += ps) {
                    if (points[j] == null)
                        continue;

                    for (m = 0; m < ps; ++m) {
                        val = points[j + m];
                        f = format[m];
                        if (!f || f.autoscale === false || val == fakeInfinity || val == -fakeInfinity)
                            continue;

                        if (f.x) {
                            if (val < xmin)
                                xmin = val;
                            if (val > xmax)
                                xmax = val;
                        }
                        if (f.y) {
................................................................................
                            if (val < ymin)
                                ymin = val;
                            if (val > ymax)
                                ymax = val;
                        }
                    }
                }

                if (s.bars.show) {
                    // make sure we got room for the bar on the dancing floor
                    var delta;

                    switch (s.bars.align) {
                        case "left":
                            delta = 0;
                            break;
                        case "right":
                            delta = -s.bars.barWidth;
                            break;
                        default:
                            delta = -s.bars.barWidth / 2;
                    }

                    if (s.bars.horizontal) {
                        ymin += delta;
                        ymax += delta + s.bars.barWidth;
                    }
                    else {
                        xmin += delta;
                        xmax += delta + s.bars.barWidth;
                    }
                }

                updateAxis(s.xaxis, xmin, xmax);
                updateAxis(s.yaxis, ymin, ymax);
            }

            $.each(allAxes(), function (_, axis) {
                if (axis.datamin == topSentry)
                    axis.datamin = null;
                if (axis.datamax == bottomSentry)
                    axis.datamax = null;
            });
        }

        function setupCanvases() {

            // Make sure the placeholder is clear of everything except canvases
            // from a previous plot in this container that we'll try to re-use.

            placeholder.css("padding", 0) // padding messes up the positioning
                .children().filter(function(){
                    return !$(this).hasClass("flot-overlay") && !$(this).hasClass('flot-base');
                }).remove();

            if (placeholder.css("position") == 'static')
                placeholder.css("position", "relative"); // for positioning labels and overlay

            surface = new Canvas("flot-base", placeholder);
            overlay = new Canvas("flot-overlay", placeholder); // overlay canvas for interactive features

            ctx = surface.context;
            octx = overlay.context;

            // define which element we're listening for events on
            eventHolder = $(overlay.element).unbind();

            // If we're re-using a plot object, shut down the old one

            var existing = placeholder.data("plot");

            if (existing) {
                existing.shutdown();
                overlay.clear();
            }

            // save in case we get replotted
            placeholder.data("plot", plot);
        }

        function bindEvents() {




            // bind events
            if (options.grid.hoverable) {
                eventHolder.mousemove(onMouseMove);

                // Use bind, rather than .mouseleave, because we officially
                // still support jQuery 1.2.6, which doesn't define a shortcut
                // for mouseenter or mouseleave.  This was a bug/oversight that
                // was fixed somewhere around 1.3.x.  We can return to using
                // .mouseleave when we drop support for 1.2.6.

                eventHolder.bind("mouseleave", onMouseLeave);
            }

            if (options.grid.clickable)
                eventHolder.click(onClick);

            executeHooks(hooks.bindEvents, [eventHolder]);
        }

        function shutdown() {
            if (redrawTimeout)
                clearTimeout(redrawTimeout);

            eventHolder.unbind("mousemove", onMouseMove);
            eventHolder.unbind("mouseleave", onMouseLeave);
            eventHolder.unbind("click", onClick);

            executeHooks(hooks.shutdown, [eventHolder]);
        }

        function setTransformationHelpers(axis) {
            // set helper functions on the axis, assumes plot area
            // has been computed already

            function identity(x) { return x; }

            var s, m, t = axis.options.transform || identity,
                it = axis.options.inverseTransform;



            // precompute how much the axis is scaling a point
            // in canvas space
            if (axis.direction == "x") {
                s = axis.scale = plotWidth / Math.abs(t(axis.max) - t(axis.min));

                m = Math.min(t(axis.max), t(axis.min));
            }
            else {
                s = axis.scale = plotHeight / Math.abs(t(axis.max) - t(axis.min));
                s = -s;
                m = Math.max(t(axis.max), t(axis.min));
            }

            // data point to canvas coordinate
            if (t == identity) // slight optimization
                axis.p2c = function (p) { return (p - m) * s; };
            else
                axis.p2c = function (p) { return (t(p) - m) * s; };
            // canvas coordinate to data point
            if (!it)
                axis.c2p = function (c) { return m + c / s; };
            else
                axis.c2p = function (c) { return it(m + c / s); };
        }








        function measureTickLabels(axis) {

            var opts = axis.options,
                ticks = axis.ticks || [],
                labelWidth = opts.labelWidth || 0,
                labelHeight = opts.labelHeight || 0,
                maxWidth = labelWidth || (axis.direction == "x" ? Math.floor(surface.width / (ticks.length || 1)) : null),
                legacyStyles = axis.direction + "Axis " + axis.direction + axis.n + "Axis",
                layer = "flot-" + axis.direction + "-axis flot-" + axis.direction + axis.n + "-axis " + legacyStyles,
                font = opts.font || "flot-tick-label tickLabel";

            for (var i = 0; i < ticks.length; ++i) {

                var t = ticks[i];

                if (!t.label)



                    continue;

                var info = surface.getTextInfo(layer, t.label, font, null, maxWidth);

                labelWidth = Math.max(labelWidth, info.width);
                labelHeight = Math.max(labelHeight, info.height);
            }



            axis.labelWidth = opts.labelWidth || labelWidth;
            axis.labelHeight = opts.labelHeight || labelHeight;
        }









        function allocateAxisBoxFirstPhase(axis) {
            // find the bounding box of the axis by looking at label
            // widths/heights and ticks, make room by diminishing the
            // plotOffset; this first phase only looks at one
            // dimension per axis, the other dimension depends on the
            // other axes so will have to wait

            var lw = axis.labelWidth,
                lh = axis.labelHeight,



                pos = axis.options.position,
                isXAxis = axis.direction === "x",
                tickLength = axis.options.tickLength,
                axisMargin = options.grid.axisMargin,
                padding = options.grid.labelMargin,
                innermost = true,
                outermost = true,
                first = true,
                found = false;

            // Determine the axis's position in its direction and on its side

            $.each(isXAxis ? xaxes : yaxes, function(i, a) {
                if (a && a.reserveSpace) {
                    if (a === axis) {
                        found = true;
                    } else if (a.options.position === pos) {
                        if (found) {

                            outermost = false;
                        } else {
                            innermost = false;
                        }
                    }





                    if (!found) {
                        first = false;
                    }
                }
            });





            // The outermost axis on each side has no margin

            if (outermost) {

                axisMargin = 0;
            }




            // The ticks for the first axis in each direction stretch across

            if (tickLength == null) {




                tickLength = first ? "full" : 5;
            }

            if (!isNaN(+tickLength))
                padding += +tickLength;

            if (isXAxis) {
                lh += padding;


                if (pos == "bottom") {
                    plotOffset.bottom += lh + axisMargin;
                    axis.box = { top: surface.height - plotOffset.bottom, height: lh };
                }
                else {
                    axis.box = { top: plotOffset.top + axisMargin, height: lh };
                    plotOffset.top += lh + axisMargin;
                }
            }
            else {
                lw += padding;

                if (pos == "left") {
                    axis.box = { left: plotOffset.left + axisMargin, width: lw };
                    plotOffset.left += lw + axisMargin;
                }
                else {
                    plotOffset.right += lw + axisMargin;
                    axis.box = { left: surface.width - plotOffset.right, width: lw };
                }
            }

             // save for future reference
            axis.position = pos;
            axis.tickLength = tickLength;
            axis.box.padding = padding;
            axis.innermost = innermost;
        }

        function allocateAxisBoxSecondPhase(axis) {
            // now that all axis boxes have been placed in one
            // dimension, we can set the remaining dimension coordinates
            if (axis.direction == "x") {
                axis.box.left = plotOffset.left - axis.labelWidth / 2;

                axis.box.width = surface.width - plotOffset.left - plotOffset.right + axis.labelWidth;
            }
            else {
                axis.box.top = plotOffset.top - axis.labelHeight / 2;
                axis.box.height = surface.height - plotOffset.bottom - plotOffset.top + axis.labelHeight;
            }
        }





        function adjustLayoutForThingsStickingOut() {
            // possibly adjust plot offset to ensure everything stays
            // inside the canvas and isn't clipped off

            var minMargin = options.grid.minBorderMargin,
                axis, i;

            // check stuff from the plot (FIXME: this should just read
            // a value from the series, otherwise it's impossible to
            // customize)
            if (minMargin == null) {
                minMargin = 0;
                for (i = 0; i < series.length; ++i)
                    minMargin = Math.max(minMargin, 2 * (series[i].points.radius + series[i].points.lineWidth/2));
            }


            var margins = {
                left: minMargin,
                right: minMargin,
                top: minMargin,
                bottom: minMargin
            };

            // check axis labels, note we don't check the actual
            // labels but instead use the overall width/height to not
            // jump as much around with replots
            $.each(allAxes(), function (_, axis) {
                if (axis.reserveSpace && axis.ticks && axis.ticks.length) {
                    var lastTick = axis.ticks[axis.ticks.length - 1];
                    if (axis.direction === "x") {
                        margins.left = Math.max(margins.left, axis.labelWidth / 2);
                        if (lastTick.v <= axis.max) {
                            margins.right = Math.max(margins.right, axis.labelWidth / 2);
                        }
                    } else {
                        margins.bottom = Math.max(margins.bottom, axis.labelHeight / 2);
                        if (lastTick.v <= axis.max) {
                            margins.top = Math.max(margins.top, axis.labelHeight / 2);
                        }
                    }
                }
            });

            plotOffset.left = Math.ceil(Math.max(margins.left, plotOffset.left));
            plotOffset.right = Math.ceil(Math.max(margins.right, plotOffset.right));
            plotOffset.top = Math.ceil(Math.max(margins.top, plotOffset.top));
            plotOffset.bottom = Math.ceil(Math.max(margins.bottom, plotOffset.bottom));
        }

        function setupGrid() {
            var i, axes = allAxes(), showGrid = options.grid.show;

            // Initialize the plot's offset from the edge of the canvas

            for (var a in plotOffset) {
                var margin = options.grid.margin || 0;
                plotOffset[a] = typeof margin == "number" ? margin : margin[a] || 0;
            }











            executeHooks(hooks.processOffset, [plotOffset]);

            // If the grid is visible, add its border width to the offset



            for (var a in plotOffset) {
                if(typeof(options.grid.borderWidth) == "object") {
                    plotOffset[a] += showGrid ? options.grid.borderWidth[a] : 0;
                }
                else {
                    plotOffset[a] += showGrid ? options.grid.borderWidth : 0;
                }
            }

            // init axes
            $.each(axes, function (_, axis) {
                axis.show = axis.options.show;
                if (axis.show == null)
                    axis.show = axis.used; // by default an axis is visible if it's got data

                axis.reserveSpace = axis.show || axis.options.reserveSpace;

                setRange(axis);
            });



            if (showGrid) {

                var allocatedAxes = $.grep(axes, function (axis) { return axis.reserveSpace; });

                $.each(allocatedAxes, function (_, axis) {
                    // make the ticks
                    setupTickGeneration(axis);
                    setTicks(axis);

                    snapRangeToTicks(axis, axis.ticks);
                    // find labelWidth/Height for axis
                    measureTickLabels(axis);
                });

                // with all dimensions calculated, we can compute the
                // axis bounding boxes, start from the outside
                // (reverse order)
                for (i = allocatedAxes.length - 1; i >= 0; --i)
                    allocateAxisBoxFirstPhase(allocatedAxes[i]);


                // make sure we've got enough space for things that
                // might stick out
                adjustLayoutForThingsStickingOut();





                $.each(allocatedAxes, function (_, axis) {
                    allocateAxisBoxSecondPhase(axis);
                });
            }


            plotWidth = surface.width - plotOffset.left - plotOffset.right;
            plotHeight = surface.height - plotOffset.bottom - plotOffset.top;

            // now we got the proper plot dimensions, we can compute the scaling
            $.each(axes, function (_, axis) {
                setTransformationHelpers(axis);
            });


            if (showGrid) {
                drawAxisLabels();
            }

            insertLegend();
        }

        function setRange(axis) {


            var opts = axis.options,
                min = +(opts.min != null ? opts.min : axis.datamin),
                max = +(opts.max != null ? opts.max : axis.datamax),
                delta = max - min;

            if (delta == 0.0) {
                // degenerate case
                var widen = max == 0 ? 1 : 0.01;

                if (opts.min == null)
                    min -= widen;
                // always widen max if we couldn't widen min to ensure we
                // don't fall into min == max which doesn't work
                if (opts.max == null || opts.min != null)
                    max += widen;
            }
            else {
                // consider autoscaling
                var margin = opts.autoscaleMargin;
                if (margin != null) {
                    if (opts.min == null) {
                        min -= delta * margin;
                        // make sure we don't go below zero if all values
                        // are positive
                        if (min < 0 && axis.datamin != null && axis.datamin >= 0)
                            min = 0;
                    }
                    if (opts.max == null) {
                        max += delta * margin;
                        if (max > 0 && axis.datamax != null && axis.datamax <= 0)
                            max = 0;
                    }
                }
            }
            axis.min = min;
            axis.max = max;
        }

        function setupTickGeneration(axis) {
            var opts = axis.options;

            // estimate number of ticks
            var noTicks;
            if (typeof opts.ticks == "number" && opts.ticks > 0)
                noTicks = opts.ticks;

            else
                // heuristic based on the model a*sqrt(x) fitted to
                // some data points that seemed reasonable
                noTicks = 0.3 * Math.sqrt(axis.direction == "x" ? surface.width : surface.height);



            var delta = (axis.max - axis.min) / noTicks,

















































                dec = -Math.floor(Math.log(delta) / Math.LN10),









                maxDec = opts.tickDecimals;













































































































            if (maxDec != null && dec > maxDec) {
                dec = maxDec;
            }

            var magn = Math.pow(10, -dec),
                norm = delta / magn, // norm is between 1.0 and 10.0
                size;

            if (norm < 1.5) {
                size = 1;
            } else if (norm < 3) {
                size = 2;
                // special case for 2.5, requires an extra decimal
                if (norm > 2.25 && (maxDec == null || dec + 1 <= maxDec)) {
                    size = 2.5;
                    ++dec;
                }

            } else if (norm < 7.5) {
                size = 5;
            } else {
                size = 10;
            }

            size *= magn;

            if (opts.minTickSize != null && size < opts.minTickSize) {
                size = opts.minTickSize;
            }



            axis.delta = delta;
            axis.tickDecimals = Math.max(0, maxDec != null ? maxDec : dec);
            axis.tickSize = opts.tickSize || size;

            // Time mode was moved to a plug-in in 0.8, but since so many people use this
            // we'll add an especially friendly make sure they remembered to include it.

            if (opts.mode == "time" && !axis.tickGenerator) {
                throw new Error("Time mode requires the flot.time plugin.");
            }

            // Flot supports base-10 axes; any other mode else is handled by a plug-in,
            // like flot.time.js.

            if (!axis.tickGenerator) {

                axis.tickGenerator = function (axis) {



                    var ticks = [],
                        start = floorInBase(axis.min, axis.tickSize),
                        i = 0,
                        v = Number.NaN,
                        prev;

                    do {
                        prev = v;
                        v = start + i * axis.tickSize;

                        ticks.push(v);
                        ++i;
                    } while (v < axis.max && v != prev);
                    return ticks;
                };

				axis.tickFormatter = function (value, axis) {

					var factor = axis.tickDecimals ? Math.pow(10, axis.tickDecimals) : 1;
					var formatted = "" + Math.round(value * factor) / factor;

					// If tickDecimals was specified, ensure that we have exactly that
					// much precision; otherwise default to the value's own precision.

					if (axis.tickDecimals != null) {
						var decimal = formatted.indexOf(".");
						var precision = decimal == -1 ? 0 : formatted.length - decimal - 1;
						if (precision < axis.tickDecimals) {
							return (precision ? formatted : formatted + ".") + ("" + factor).substr(1, axis.tickDecimals - precision);
						}
					}

                    return formatted;
                };
            }



            if ($.isFunction(opts.tickFormatter))
                axis.tickFormatter = function (v, axis) { return "" + opts.tickFormatter(v, axis); };



            if (opts.alignTicksWithAxis != null) {
                var otherAxis = (axis.direction == "x" ? xaxes : yaxes)[opts.alignTicksWithAxis - 1];
                if (otherAxis && otherAxis.used && otherAxis != axis) {
                    // consider snapping min/max to outermost nice ticks
                    var niceTicks = axis.tickGenerator(axis);
                    if (niceTicks.length > 0) {
                        if (opts.min == null)
                            axis.min = Math.min(axis.min, niceTicks[0]);
                        if (opts.max == null && niceTicks.length > 1)
                            axis.max = Math.max(axis.max, niceTicks[niceTicks.length - 1]);
                    }


                    axis.tickGenerator = function (axis) {
                        // copy ticks, scaled to this axis
                        var ticks = [], v, i;
                        for (i = 0; i < otherAxis.ticks.length; ++i) {
                            v = (otherAxis.ticks[i].v - otherAxis.min) / (otherAxis.max - otherAxis.min);
                            v = axis.min + v * (axis.max - axis.min);
                            ticks.push(v);
                        }

                        return ticks;
                    };


                    // we might need an extra decimal since forced
                    // ticks don't necessarily fit naturally
                    if (!axis.mode && opts.tickDecimals == null) {
                        var extraDec = Math.max(0, -Math.floor(Math.log(axis.delta) / Math.LN10) + 1),
                            ts = axis.tickGenerator(axis);






                        // only proceed if the tick interval rounded
                        // with an extra decimal doesn't give us a
                        // zero at end
                        if (!(ts.length > 1 && /\..*0$/.test((ts[1] - ts[0]).toFixed(extraDec))))
                            axis.tickDecimals = extraDec;
                    }
                }
            }
        }

        function setTicks(axis) {
            var oticks = axis.options.ticks, ticks = [];
            if (oticks == null || (typeof oticks == "number" && oticks > 0))
                ticks = axis.tickGenerator(axis);
            else if (oticks) {
                if ($.isFunction(oticks))
                    // generate the ticks

                    ticks = oticks(axis);
                else
                    ticks = oticks;
            }

            // clean up/labelify the supplied ticks, copy them over
            var i, v;
            axis.ticks = [];
            for (i = 0; i < ticks.length; ++i) {
                var label = null;
                var t = ticks[i];
                if (typeof t == "object") {
                    v = +t[0];
                    if (t.length > 1)
                        label = t[1];
                }
                else
                    v = +t;
                if (label == null)
                    label = axis.tickFormatter(v, axis);
                if (!isNaN(v))
                    axis.ticks.push({ v: v, label: label });
            }
        }

        function snapRangeToTicks(axis, ticks) {
            if (axis.options.autoscaleMargin && ticks.length > 0) {
                // snap to ticks
                if (axis.options.min == null)
                    axis.min = Math.min(axis.min, ticks[0].v);
                if (axis.options.max == null && ticks.length > 1)
                    axis.max = Math.max(axis.max, ticks[ticks.length - 1].v);
            }
        }

        function draw() {


            surface.clear();

            executeHooks(hooks.drawBackground, [ctx]);

            var grid = options.grid;

            // draw background, if any
            if (grid.show && grid.backgroundColor)
                drawBackground();

            if (grid.show && !grid.aboveData) {
                drawGrid();
            }

            for (var i = 0; i < series.length; ++i) {
                executeHooks(hooks.drawSeries, [ctx, series[i]]);
                drawSeries(series[i]);
            }

            executeHooks(hooks.draw, [ctx]);

            if (grid.show && grid.aboveData) {
                drawGrid();
            }

            surface.render();

            // A draw implies that either the axes or data have changed, so we
            // should probably update the overlay highlights as well.

            triggerRedrawOverlay();
        }

        function extractRange(ranges, coord) {
            var axis, from, to, key, axes = allAxes();

            for (var i = 0; i < axes.length; ++i) {
                axis = axes[i];
                if (axis.direction == coord) {
                    key = coord + axis.n + "axis";
                    if (!ranges[key] && axis.n == 1)
                        key = coord + "axis"; // support x1axis as xaxis
                    if (ranges[key]) {
                        from = ranges[key].from;
                        to = ranges[key].to;
                        break;
                    }
                }
            }

            // backwards-compat stuff - to be removed in future
            if (!ranges[key]) {
                axis = coord == "x" ? xaxes[0] : yaxes[0];
                from = ranges[coord + "1"];
                to = ranges[coord + "2"];
            }

            // auto-reverse as an added bonus
            if (from != null && to != null && from > to) {
                var tmp = from;
                from = to;
                to = tmp;
            }

            return { from: from, to: to, axis: axis };
        }

        function drawBackground() {


            ctx.save();
            ctx.translate(plotOffset.left, plotOffset.top);



            ctx.fillStyle = getColorOrGradient(options.grid.backgroundColor, plotHeight, 0, "rgba(255, 255, 255, 0)");
            ctx.fillRect(0, 0, plotWidth, plotHeight);
            ctx.restore();
        }

        function drawGrid() {
            var i, axes, bw, bc;

            ctx.save();
            ctx.translate(plotOffset.left, plotOffset.top);

            // draw markings
            var markings = options.grid.markings;
            if (markings) {
                if ($.isFunction(markings)) {
                    axes = plot.getAxes();
                    // xmin etc. is backwards compatibility, to be
                    // removed in the future
                    axes.xmin = axes.xaxis.min;
                    axes.xmax = axes.xaxis.max;
                    axes.ymin = axes.yaxis.min;
                    axes.ymax = axes.yaxis.max;

                    markings = markings(axes);
                }

                for (i = 0; i < markings.length; ++i) {
                    var m = markings[i],
                        xrange = extractRange(m, "x"),
                        yrange = extractRange(m, "y");

                    // fill in missing
................................................................................
                        continue;

                    // then draw
                    xrange.from = xrange.axis.p2c(xrange.from);
                    xrange.to = xrange.axis.p2c(xrange.to);
                    yrange.from = yrange.axis.p2c(yrange.from);
                    yrange.to = yrange.axis.p2c(yrange.to);

                    if (xrange.from == xrange.to || yrange.from == yrange.to) {
                        // draw line
                        ctx.beginPath();
                        ctx.strokeStyle = m.color || options.grid.markingsColor;
                        ctx.lineWidth = m.lineWidth || options.grid.markingsLineWidth;


                        ctx.moveTo(xrange.from, yrange.from);
                        ctx.lineTo(xrange.to, yrange.to);
                        ctx.stroke();
                    }
                    else {
                        // fill area
                        ctx.fillStyle = m.color || options.grid.markingsColor;
                        ctx.fillRect(xrange.from, yrange.to,
                                     xrange.to - xrange.from,
                                     yrange.from - yrange.to);
                    }
                }
            }

            // draw the ticks
            axes = allAxes();
            bw = options.grid.borderWidth;

            for (var j = 0; j < axes.length; ++j) {
                var axis = axes[j], box = axis.box,
                    t = axis.tickLength, x, y, xoff, yoff;
                if (!axis.show || axis.ticks.length == 0)
                    continue;

                ctx.lineWidth = 1;

                // find the edges
                if (axis.direction == "x") {
                    x = 0;
                    if (t == "full")
                        y = (axis.position == "top" ? 0 : plotHeight);
                    else
                        y = box.top - plotOffset.top + (axis.position == "top" ? box.height : 0);
                }
                else {
                    y = 0;
                    if (t == "full")
                        x = (axis.position == "left" ? 0 : plotWidth);
                    else
                        x = box.left - plotOffset.left + (axis.position == "left" ? box.width : 0);
                }

                // draw tick bar
                if (!axis.innermost) {
                    ctx.strokeStyle = axis.options.color;
                    ctx.beginPath();





                    xoff = yoff = 0;
                    if (axis.direction == "x")
                        xoff = plotWidth + 1;
                    else
                        yoff = plotHeight + 1;



                    if (ctx.lineWidth == 1) {
                        if (axis.direction == "x") {
                            y = Math.floor(y) + 0.5;
                        } else {
                            x = Math.floor(x) + 0.5;
                        }
                    }








                    ctx.moveTo(x, y);
                    ctx.lineTo(x + xoff, y + yoff);
                    ctx.stroke();
                }


                // draw ticks

                ctx.strokeStyle = axis.options.tickColor;

                ctx.beginPath();
                for (i = 0; i < axis.ticks.length; ++i) {
                    var v = axis.ticks[i].v;

                    xoff = yoff = 0;

                    if (isNaN(v) || v < axis.min || v > axis.max
                        // skip those lying on the axes if we got a border
                        || (t == "full"
                            && ((typeof bw == "object" && bw[axis.position] > 0) || bw > 0)
                            && (v == axis.min || v == axis.max)))
                        continue;



                    if (axis.direction == "x") {
                        x = axis.p2c(v);
                        yoff = t == "full" ? -plotHeight : t;

                        if (axis.position == "top")
                            yoff = -yoff;
                    }


                    else {
                        y = axis.p2c(v);


                        xoff = t == "full" ? -plotWidth : t;



                        if (axis.position == "left")
                            xoff = -xoff;
                    }

                    if (ctx.lineWidth == 1) {
                        if (axis.direction == "x")
                            x = Math.floor(x) + 0.5;
                        else
                            y = Math.floor(y) + 0.5;
                    }

                    ctx.moveTo(x, y);
                    ctx.lineTo(x + xoff, y + yoff);
                }

                ctx.stroke();
            }



            // draw border
            if (bw) {
                // If either borderWidth or borderColor is an object, then draw the border
                // line by line instead of as one rectangle
                bc = options.grid.borderColor;
                if(typeof bw == "object" || typeof bc == "object") {
                    if (typeof bw !== "object") {
                        bw = {top: bw, right: bw, bottom: bw, left: bw};
                    }
                    if (typeof bc !== "object") {
                        bc = {top: bc, right: bc, bottom: bc, left: bc};
                    }

                    if (bw.top > 0) {
                        ctx.strokeStyle = bc.top;
                        ctx.lineWidth = bw.top;
                        ctx.beginPath();
                        ctx.moveTo(0 - bw.left, 0 - bw.top/2);
                        ctx.lineTo(plotWidth, 0 - bw.top/2);
                        ctx.stroke();
                    }

                    if (bw.right > 0) {
                        ctx.strokeStyle = bc.right;
                        ctx.lineWidth = bw.right;
                        ctx.beginPath();
                        ctx.moveTo(plotWidth + bw.right / 2, 0 - bw.top);
                        ctx.lineTo(plotWidth + bw.right / 2, plotHeight);
                        ctx.stroke();
                    }

                    if (bw.bottom > 0) {
                        ctx.strokeStyle = bc.bottom;
                        ctx.lineWidth = bw.bottom;
                        ctx.beginPath();
                        ctx.moveTo(plotWidth + bw.right, plotHeight + bw.bottom / 2);
                        ctx.lineTo(0, plotHeight + bw.bottom / 2);
                        ctx.stroke();
                    }

                    if (bw.left > 0) {
                        ctx.strokeStyle = bc.left;
                        ctx.lineWidth = bw.left;
                        ctx.beginPath();
                        ctx.moveTo(0 - bw.left/2, plotHeight + bw.bottom);
                        ctx.lineTo(0- bw.left/2, 0);
                        ctx.stroke();
                    }
                }
                else {
                    ctx.lineWidth = bw;
                    ctx.strokeStyle = options.grid.borderColor;
                    ctx.strokeRect(-bw/2, -bw/2, plotWidth + bw, plotHeight + bw);
                }
            }

            ctx.restore();
        }



        function drawAxisLabels() {


            $.each(allAxes(), function (_, axis) {
                var box = axis.box,
                    legacyStyles = axis.direction + "Axis " + axis.direction + axis.n + "Axis",
                    layer = "flot-" + axis.direction + "-axis flot-" + axis.direction + axis.n + "-axis " + legacyStyles,
                    font = axis.options.font || "flot-tick-label tickLabel",
                    tick, x, y, halign, valign;


                // Remove text before checking for axis.show and ticks.length;
                // otherwise plugins, like flot-tickrotor, that draw their own
                // tick labels will end up with both theirs and the defaults.

                surface.removeText(layer);

                if (!axis.show || axis.ticks.length == 0)
                    return;

                for (var i = 0; i < axis.ticks.length; ++i) {

                    tick = axis.ticks[i];
                    if (!tick.label || tick.v < axis.min || tick.v > axis.max)
                        continue;


                    if (axis.direction == "x") {
                        halign = "center";
                        x = plotOffset.left + axis.p2c(tick.v);
                        if (axis.position == "bottom") {
                            y = box.top + box.padding;
                        } else {
                            y = box.top + box.height - box.padding;
                            valign = "bottom";
                        }
                    } else {
                        valign = "middle";
                        y = plotOffset.top + axis.p2c(tick.v);
                        if (axis.position == "left") {
                            x = box.left + box.width - box.padding;
                            halign = "right";
                        } else {
                            x = box.left + box.padding;
                        }

                    }




                    surface.addText(layer, x, y, tick.label, font, null, null, halign, valign);
                }


            });












        }

        function drawSeries(series) {
            if (series.lines.show)
                drawSeriesLines(series);
            if (series.bars.show)
                drawSeriesBars(series);
            if (series.points.show)
                drawSeriesPoints(series);
        }

        function drawSeriesLines(series) {
            function plotLine(datapoints, xoffset, yoffset, axisx, axisy) {
                var points = datapoints.points,
                    ps = datapoints.pointsize,
                    prevx = null, prevy = null;

                ctx.beginPath();
                for (var i = ps; i < points.length; i += ps) {
                    var x1 = points[i - ps], y1 = points[i - ps + 1],
                        x2 = points[i], y2 = points[i + 1];

                    if (x1 == null || x2 == null)
                        continue;

                    // clip with ymin
                    if (y1 <= y2 && y1 < axisy.min) {
                        if (y2 < axisy.min)
                            continue;   // line segment is outside
................................................................................
                            continue;
                        y2 = (axisx.max - x1) / (x2 - x1) * (y2 - y1) + y1;
                        x2 = axisx.max;
                    }

                    if (x1 != prevx || y1 != prevy)
                        ctx.moveTo(axisx.p2c(x1) + xoffset, axisy.p2c(y1) + yoffset);

                    prevx = x2;
                    prevy = y2;
                    ctx.lineTo(axisx.p2c(x2) + xoffset, axisy.p2c(y2) + yoffset);
                }
                ctx.stroke();
            }

            function plotLineArea(datapoints, axisx, axisy) {
                var points = datapoints.points,
                    ps = datapoints.pointsize,
                    bottom = Math.min(Math.max(0, axisy.min), axisy.max),
                    i = 0, top, areaOpen = false,
                    ypos = 1, segmentStart = 0, segmentEnd = 0;


                // we process each segment in two turns, first forward
                // direction to sketch out top, then once we hit the
                // end we go backwards to sketch the bottom
                while (true) {
                    if (ps > 0 && i > points.length + ps)
                        break;

                    i += ps; // ps is negative if going backwards

                    var x1 = points[i - ps],
                        y1 = points[i - ps + ypos],
                        x2 = points[i], y2 = points[i + ypos];

                    if (areaOpen) {
                        if (ps > 0 && x1 != null && x2 == null) {


                            // at turning point
                            segmentEnd = i;
                            ps = -ps;
                            ypos = 2;
                            continue;
                        }

                        if (ps < 0 && i == segmentStart + ps) {
                            // done with the reverse sweep
                            ctx.fill();
                            areaOpen = false;
                            ps = -ps;
                            ypos = 1;
                            i = segmentStart = segmentEnd + ps;
                            continue;
                        }
                    }

                    if (x1 == null || x2 == null)
                        continue;

                    // clip x values

                    // clip with xmin
                    if (x1 <= x2 && x1 < axisx.min) {
                        if (x2 < axisx.min)
                            continue;
                        y1 = (axisx.min - x1) / (x2 - x1) * (y2 - y1) + y1;
                        x1 = axisx.min;
                    }
................................................................................

                    if (!areaOpen) {
                        // open area
                        ctx.beginPath();
                        ctx.moveTo(axisx.p2c(x1), axisy.p2c(bottom));
                        areaOpen = true;
                    }

                    // now first check the case where both is outside
                    if (y1 >= axisy.max && y2 >= axisy.max) {
                        ctx.lineTo(axisx.p2c(x1), axisy.p2c(axisy.max));
                        ctx.lineTo(axisx.p2c(x2), axisy.p2c(axisy.max));

                        continue;
                    }
                    else if (y1 <= axisy.min && y2 <= axisy.min) {
                        ctx.lineTo(axisx.p2c(x1), axisy.p2c(axisy.min));
                        ctx.lineTo(axisx.p2c(x2), axisy.p2c(axisy.min));

                        continue;
                    }

                    // else it's a bit more complicated, there might
                    // be a flat maxed out rectangle first, then a
                    // triangular cutout or reverse; to find these
                    // keep track of the current x values
                    var x1old = x1, x2old = x2;

                    // clip the y values, without shortcutting, we
                    // go through all cases in turn

                    // clip with ymin
                    if (y1 <= y2 && y1 < axisy.min && y2 >= axisy.min) {
                        x1 = (axisy.min - y1) / (y2 - y1) * (x2 - x1) + x1;
                        y1 = axisy.min;
                    }
                    else if (y2 <= y1 && y2 < axisy.min && y1 >= axisy.min) {
                        x2 = (axisy.min - y1) / (y2 - y1) * (x2 - x1) + x1;
................................................................................
                        y1 = axisy.max;
                    }
                    else if (y2 >= y1 && y2 > axisy.max && y1 <= axisy.max) {
                        x2 = (axisy.max - y1) / (y2 - y1) * (x2 - x1) + x1;
                        y2 = axisy.max;
                    }


                    // if the x value was changed we got a rectangle
                    // to fill
                    if (x1 != x1old) {





                        ctx.lineTo(axisx.p2c(x1old), axisy.p2c(y1));

                        // it goes to (x1, y1), but we fill that below
                    }


                    // fill triangular section, this sometimes result
                    // in redundant points if (x1, y1) hasn't changed
                    // from previous line to, but we just ignore that
                    ctx.lineTo(axisx.p2c(x1), axisy.p2c(y1));
                    ctx.lineTo(axisx.p2c(x2), axisy.p2c(y2));

                    // fill the other rectangle if it's there
                    if (x2 != x2old) {





                        ctx.lineTo(axisx.p2c(x2), axisy.p2c(y2));
                        ctx.lineTo(axisx.p2c(x2old), axisy.p2c(y2));
                    }
                }

            }







            ctx.save();
            ctx.translate(plotOffset.left, plotOffset.top);
            ctx.lineJoin = "round";

            var lw = series.lines.lineWidth,
                sw = series.shadowSize;
            // FIXME: consider another form of shadow when filling is turned on
................................................................................

            if (lw > 0)
                plotLine(series.datapoints, 0, 0, series.xaxis, series.yaxis);
            ctx.restore();
        }

        function drawSeriesPoints(series) {
            function plotPoints(datapoints, radius, fillStyle, offset, shadow, axisx, axisy, symbol) {
                var points = datapoints.points, ps = datapoints.pointsize;

                for (var i = 0; i < points.length; i += ps) {
                    var x = points[i], y = points[i + 1];
                    if (x == null || x < axisx.min || x > axisx.max || y < axisy.min || y > axisy.max)
                        continue;

                    ctx.beginPath();
                    x = axisx.p2c(x);
                    y = axisy.p2c(y) + offset;
                    if (symbol == "circle")
                        ctx.arc(x, y, radius, 0, shadow ? Math.PI : Math.PI * 2, false);
                    else
                        symbol(ctx, x, y, radius, shadow);
                    ctx.closePath();

                    if (fillStyle) {
                        ctx.fillStyle = fillStyle;
                        ctx.fill();
                    }
                    ctx.stroke();
                }
            }

            ctx.save();
            ctx.translate(plotOffset.left, plotOffset.top);

            var lw = series.points.lineWidth,
                sw = series.shadowSize,
                radius = series.points.radius,
                symbol = series.points.symbol;

            // If the user sets the line width to 0, we change it to a very 
            // small value. A line width of 0 seems to force the default of 1.
            // Doing the conditional here allows the shadow setting to still be 
            // optional even with a lineWidth of 0.

            if( lw == 0 )
                lw = 0.0001;

            if (lw > 0 && sw > 0) {
                // draw shadow in two steps
                var w = sw / 2;
                ctx.lineWidth = w;
                ctx.strokeStyle = "rgba(0,0,0,0.1)";
                plotPoints(series.datapoints, radius, null, w + w/2, true,
                           series.xaxis, series.yaxis, symbol);

                ctx.strokeStyle = "rgba(0,0,0,0.2)";
                plotPoints(series.datapoints, radius, null, w/2, true,
                           series.xaxis, series.yaxis, symbol);
            }

            ctx.lineWidth = lw;
            ctx.strokeStyle = series.color;
            plotPoints(series.datapoints, radius,
                       getFillStyle(series.points, series.color), 0, false,
                       series.xaxis, series.yaxis, symbol);
            ctx.restore();
        }

        function drawBar(x, y, b, barLeft, barRight, fillStyleCallback, axisx, axisy, c, horizontal, lineWidth) {
            var left, right, bottom, top,
                drawLeft, drawRight, drawTop, drawBottom,
                tmp;

            // in horizontal mode, we start the bar from the left
            // instead of from the bottom so it appears to be
            // horizontal rather than vertical
            if (horizontal) {
                drawBottom = drawRight = drawTop = true;
                drawLeft = false;
                left = b;
                right = x;
                top = y + barLeft;
                bottom = y + barRight;
................................................................................
                    tmp = top;
                    top = bottom;
                    bottom = tmp;
                    drawBottom = true;
                    drawTop = false;
                }
            }

            // clip
            if (right < axisx.min || left > axisx.max ||
                top < axisy.min || bottom > axisy.max)
                return;

            if (left < axisx.min) {
                left = axisx.min;
                drawLeft = false;
            }

            if (right > axisx.max) {
                right = axisx.max;
................................................................................
                drawRight = false;
            }

            if (bottom < axisy.min) {
                bottom = axisy.min;
                drawBottom = false;
            }

            if (top > axisy.max) {
                top = axisy.max;
                drawTop = false;
            }

            left = axisx.p2c(left);
            bottom = axisy.p2c(bottom);
            right = axisx.p2c(right);
            top = axisy.p2c(top);

            // fill the bar
            if (fillStyleCallback) {





                c.fillStyle = fillStyleCallback(bottom, top);

                c.fillRect(left, top, right - left, bottom - top)
            }

            // draw outline
            if (lineWidth > 0 && (drawLeft || drawRight || drawTop || drawBottom)) {
                c.beginPath();

                // FIXME: inline moveTo is buggy with excanvas
                c.moveTo(left, bottom);
                if (drawLeft)
                    c.lineTo(left, top);
                else
                    c.moveTo(left, top);
                if (drawTop)
                    c.lineTo(right, top);
                else
                    c.moveTo(right, top);
                if (drawRight)
                    c.lineTo(right, bottom);
                else
                    c.moveTo(right, bottom);
                if (drawBottom)
                    c.lineTo(left, bottom);
                else
                    c.moveTo(left, bottom);
                c.stroke();
            }
        }

        function drawSeriesBars(series) {
            function plotBars(datapoints, barLeft, barRight, fillStyleCallback, axisx, axisy) {
                var points = datapoints.points, ps = datapoints.pointsize;

                for (var i = 0; i < points.length; i += ps) {
                    if (points[i] == null)
                        continue;
                    drawBar(points[i], points[i + 1], points[i + 2], barLeft, barRight, fillStyleCallback, axisx, axisy, ctx, series.bars.horizontal, series.bars.lineWidth);
                }
            }

            ctx.save();
            ctx.translate(plotOffset.left, plotOffset.top);

            // FIXME: figure out a way to add shadows (for instance along the right edge)
            ctx.lineWidth = series.bars.lineWidth;
            ctx.strokeStyle = series.color;

            var barLeft;

            switch (series.bars.align) {
                case "left":
                    barLeft = 0;
                    break;
                case "right":
                    barLeft = -series.bars.barWidth;
                    break;
                default:
                    barLeft = -series.bars.barWidth / 2;
            }

            var fillStyleCallback = series.bars.fill ? function (bottom, top) { return getFillStyle(series.bars, series.color, bottom, top); } : null;
            plotBars(series.datapoints, barLeft, barLeft + series.bars.barWidth, fillStyleCallback, series.xaxis, series.yaxis);
            ctx.restore();
        }

        function getFillStyle(filloptions, seriesColor, bottom, top) {
            var fill = filloptions.fill;
            if (!fill)
                return null;

            if (filloptions.fillColor)
                return getColorOrGradient(filloptions.fillColor, bottom, top, seriesColor);

            var c = $.color.parse(seriesColor);
            c.a = typeof fill == "number" ? fill : 0.4;
            c.normalize();
            return c.toString();
        }

        function insertLegend() {

            if (options.legend.container != null) {
                $(options.legend.container).html("");
            } else {
                placeholder.find(".legend").remove();
            }

            if (!options.legend.show) {
                return;
            }

            var fragments = [], entries = [], rowStarted = false,
                lf = options.legend.labelFormatter, s, label;

            // Build a list of legend entries, with each having a label and a color

            for (var i = 0; i < series.length; ++i) {
                s = series[i];
                if (s.label) {
                    label = lf ? lf(s.label, s) : s.label;
                    if (label) {

                        entries.push({
                            label: label,
                            color: s.color
                        });
                    }
                }
            }

            // Sort the legend using either the default or a custom comparator

            if (options.legend.sorted) {
                if ($.isFunction(options.legend.sorted)) {
                    entries.sort(options.legend.sorted);
                } else if (options.legend.sorted == "reverse") {
                	entries.reverse();
                } else {
                    var ascending = options.legend.sorted != "descending";
                    entries.sort(function(a, b) {
                        return a.label == b.label ? 0 : (
                            (a.label < b.label) != ascending ? 1 : -1   // Logical XOR
                        );
                    });
                }
            }

            // Generate markup for the list of entries, in their final order

            for (var i = 0; i < entries.length; ++i) {

                var entry = entries[i];

                if (i % options.legend.noColumns == 0) {
                    if (rowStarted)
                        fragments.push('</tr>');
                    fragments.push('<tr>');
                    rowStarted = true;
                }




                fragments.push(
                    '<td class="legendColorBox"><div style="border:1px solid ' + options.legend.labelBoxBorderColor + ';padding:1px"><div style="width:4px;height:0;border:5px solid ' + entry.color + ';overflow:hidden"></div></div></td>' +
                    '<td class="legendLabel">' + entry.label + '</td>'
                );
            }

            if (rowStarted)
                fragments.push('</tr>');

            if (fragments.length == 0)
                return;

            var table = '<table style="font-size:smaller;color:' + options.grid.color + '">' + fragments.join("") + '</table>';
            if (options.legend.container != null)
                $(options.legend.container).html(table);
            else {
................................................................................
                    $('<div style="position:absolute;width:' + div.width() + 'px;height:' + div.height() + 'px;' + pos +'background-color:' + c + ';"> </div>').prependTo(legend).css('opacity', options.legend.backgroundOpacity);
                }
            }
        }


        // interactive features

        var highlights = [],
            redrawTimeout = null;

        // returns the data item the mouse is over, or null if none is found
        function findNearbyItem(mouseX, mouseY, seriesFilter) {
            var maxDistance = options.grid.mouseActiveRadius,
                smallestDistance = maxDistance * maxDistance + 1,
                item = null, foundPoint = false, i, j, ps;

            for (i = series.length - 1; i >= 0; --i) {
                if (!seriesFilter(series[i]))
                    continue;

                var s = series[i],
                    axisx = s.xaxis,
                    axisy = s.yaxis,
                    points = s.datapoints.points,

                    mx = axisx.c2p(mouseX), // precompute some stuff to make the loop faster
                    my = axisy.c2p(mouseY),
                    maxx = maxDistance / axisx.scale,
                    maxy = maxDistance / axisy.scale;

                ps = s.datapoints.pointsize;
                // with inverse transforms, we can't use the maxx/maxy
                // optimization, sadly
                if (axisx.options.inverseTransform)
                    maxx = Number.MAX_VALUE;
                if (axisy.options.inverseTransform)
                    maxy = Number.MAX_VALUE;

                if (s.lines.show || s.points.show) {
                    for (j = 0; j < points.length; j += ps) {
                        var x = points[j], y = points[j + 1];
                        if (x == null)
                            continue;

                        // For points and lines, the cursor must be within a
                        // certain distance to the data point
                        if (x - mx > maxx || x - mx < -maxx ||
                            y - my > maxy || y - my < -maxy)
                            continue;

                        // We have to calculate distances in pixels, not in
................................................................................
                        // data units, because the scales of the axes may be different
                        var dx = Math.abs(axisx.p2c(x) - mouseX),
                            dy = Math.abs(axisy.p2c(y) - mouseY),
                            dist = dx * dx + dy * dy; // we save the sqrt

                        // use <= to ensure last point takes precedence
                        // (last generally means on top of)
                        if (dist < smallestDistance) {
                            smallestDistance = dist;
                            item = [i, j / ps];
                        }
                    }
                }

                if (s.bars.show && !item) { // no other point can be nearby

                    var barLeft, barRight;

                    switch (s.bars.align) {
                        case "left":
                            barLeft = 0;
                            break;
                        case "right":
                            barLeft = -s.bars.barWidth;
                            break;
                        default:
                            barLeft = -s.bars.barWidth / 2;
                    }

                    barRight = barLeft + s.bars.barWidth;

                    for (j = 0; j < points.length; j += ps) {
                        var x = points[j], y = points[j + 1], b = points[j + 2];
                        if (x == null)
                            continue;

                        // for a bar graph, the cursor must be inside the bar
                        if (series[i].bars.horizontal ?
                            (mx <= Math.max(b, x) && mx >= Math.min(b, x) &&
                             my >= y + barLeft && my <= y + barRight) :
                            (mx >= x + barLeft && mx <= x + barRight &&
                             my >= Math.min(b, y) && my <= Math.max(b, y)))
                                item = [i, j / ps];
                    }
                }
            }

            if (item) {
                i = item[0];
                j = item[1];
                ps = series[i].datapoints.pointsize;

                return { datapoint: series[i].datapoints.points.slice(j * ps, (j + 1) * ps),
                         dataIndex: j,
                         series: series[i],
                         seriesIndex: i };
            }

            return null;
        }

        function onMouseMove(e) {
            if (options.grid.hoverable)
                triggerClickHoverEvent("plothover", e,
                                       function (s) { return s["hoverable"] != false; });
        }

        function onMouseLeave(e) {
            if (options.grid.hoverable)
                triggerClickHoverEvent("plothover", e,
                                       function (s) { return false; });
        }

        function onClick(e) {
            triggerClickHoverEvent("plotclick", e,
                                   function (s) { return s["clickable"] != false; });
        }

        // trigger click or hover event (they send the same parameters
        // so we share their code)
        function triggerClickHoverEvent(eventname, event, seriesFilter) {
            var offset = eventHolder.offset(),

                canvasX = event.pageX - offset.left - plotOffset.left,
                canvasY = event.pageY - offset.top - plotOffset.top,
            pos = canvasToAxisCoords({ left: canvasX, top: canvasY });

            pos.pageX = event.pageX;
            pos.pageY = event.pageY;







            var item = findNearbyItem(canvasX, canvasY, seriesFilter);

            if (item) {
                // fill in mouse pos for any listeners out there
                item.pageX = parseInt(item.series.xaxis.p2c(item.datapoint[0]) + offset.left + plotOffset.left, 10);
                item.pageY = parseInt(item.series.yaxis.p2c(item.datapoint[1]) + offset.top + plotOffset.top, 10);
            }

            if (options.grid.autoHighlight) {
                // clear auto-highlights
                for (var i = 0; i < highlights.length; ++i) {
                    var h = highlights[i];
                    if (h.auto == eventname &&
                        !(item && h.series == item.series &&
                          h.point[0] == item.datapoint[0] &&
                          h.point[1] == item.datapoint[1]))
                        unhighlight(h.series, h.point);
                }

                if (item)
                    highlight(item.series, item.datapoint, eventname);
            }

            placeholder.trigger(eventname, [ pos, item ]);
        }

        function triggerRedrawOverlay() {
            var t = options.interaction.redrawOverlayInterval;
            if (t == -1) {      // skip event queue
                drawOverlay();
                return;
            }

            if (!redrawTimeout)
                redrawTimeout = setTimeout(drawOverlay, t);
        }

        function drawOverlay() {
            redrawTimeout = null;

            // draw highlights
            octx.save();
            overlay.clear();
            octx.translate(plotOffset.left, plotOffset.top);

            var i, hi;
            for (i = 0; i < highlights.length; ++i) {
                hi = highlights[i];

                if (hi.series.bars.show)
                    drawBarHighlight(hi.series, hi.point);
                else
                    drawPointHighlight(hi.series, hi.point);
            }
            octx.restore();

            executeHooks(hooks.drawOverlay, [octx]);
        }

        function highlight(s, point, auto) {
            if (typeof s == "number")
                s = series[s];

            if (typeof point == "number") {
                var ps = s.datapoints.pointsize;
                point = s.datapoints.points.slice(ps * point, ps * (point + 1));
            }

            var i = indexOfHighlight(s, point);
            if (i == -1) {
                highlights.push({ series: s, point: point, auto: auto });

                triggerRedrawOverlay();
            }
            else if (!auto)
                highlights[i].auto = false;
        }

        function unhighlight(s, point) {
            if (s == null && point == null) {
                highlights = [];
                triggerRedrawOverlay();
                return;
            }

            if (typeof s == "number")
                s = series[s];

            if (typeof point == "number") {
                var ps = s.datapoints.pointsize;
                point = s.datapoints.points.slice(ps * point, ps * (point + 1));
            }

            var i = indexOfHighlight(s, point);
            if (i != -1) {
                highlights.splice(i, 1);

                triggerRedrawOverlay();
            }
        }

        function indexOfHighlight(s, p) {
            for (var i = 0; i < highlights.length; ++i) {
                var h = highlights[i];
                if (h.series == s && h.point[0] == p[0]
                    && h.point[1] == p[1])
                    return i;
            }
            return -1;
        }

        function drawPointHighlight(series, point) {
            var x = point[0], y = point[1],
                axisx = series.xaxis, axisy = series.yaxis,
                highlightColor = (typeof series.highlightColor === "string") ? series.highlightColor : $.color.parse(series.color).scale('a', 0.5).toString();

            if (x < axisx.min || x > axisx.max || y < axisy.min || y > axisy.max)
                return;

            var pointRadius = series.points.radius + series.points.lineWidth / 2;
            octx.lineWidth = pointRadius;

            octx.strokeStyle = highlightColor;
            var radius = 1.5 * pointRadius;
            x = axisx.p2c(x);
            y = axisy.p2c(y);

            octx.beginPath();
            if (series.points.symbol == "circle")
                octx.arc(x, y, radius, 0, 2 * Math.PI, false);
            else
                series.points.symbol(octx, x, y, radius, false);
            octx.closePath();
            octx.stroke();
        }

        function drawBarHighlight(series, point) {
            var highlightColor = (typeof series.highlightColor === "string") ? series.highlightColor : $.color.parse(series.color).scale('a', 0.5).toString(),
                fillStyle = highlightColor,
                barLeft;

            switch (series.bars.align) {
                case "left":
                    barLeft = 0;
                    break;
                case "right":
                    barLeft = -series.bars.barWidth;
                    break;
                default:
                    barLeft = -series.bars.barWidth / 2;
            }

            octx.lineWidth = series.bars.lineWidth;



            octx.strokeStyle = highlightColor;

            drawBar(point[0], point[1], point[2] || 0, barLeft, barLeft + series.bars.barWidth,
                    function () { return fillStyle; }, series.xaxis, series.yaxis, octx, series.bars.horizontal, series.bars.lineWidth);
        }

        function getColorOrGradient(spec, bottom, top, defaultColor) {
            if (typeof spec == "string")
                return spec;
            else {
                // assume this is a gradient spec; IE currently only
                // supports a simple vertical gradient properly, so that's
                // what we support too
                var gradient = ctx.createLinearGradient(0, top, 0, bottom);

                for (var i = 0, l = spec.colors.length; i < l; ++i) {
                    var c = spec.colors[i];
                    if (typeof c != "string") {
                        var co = $.color.parse(defaultColor);
                        if (c.brightness != null)
                            co = co.scale('rgb', c.brightness);
                        if (c.opacity != null)
                            co.a *= c.opacity;
                        c = co.toString();
                    }
                    gradient.addColorStop(i / (l - 1), c);
                }

                return gradient;
            }
        }
    }

    // Add the plot function to the top level of the jQuery object

    $.plot = function(placeholder, data, options) {
        //var t0 = new Date();
        var plot = new Plot($(placeholder), data, options, $.plot.plugins);



        //(window.console ? console.log : alert)("time used (msecs): " + ((new Date()).getTime() - t0.getTime()));



        return plot;
    };

    $.plot.version = "0.8.2";

    $.plot.plugins = [];

    // Also add the plot function as a chainable property


















    $.fn.plot = function(data, options) {
        return this.each(function() {
            $.plot(this, data, options);
        });
    };





























    // round to nearby lower multiple of base
    function floorInBase(n, base) {
        return base * Math.floor(n / base);
    }

})(jQuery);

Changes to Site/Site_J/jquery.js.

cannot compute difference between binary files

Changes to Site/Site_J/support.js.

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//	14-Jan-2012 Add try/catch on XHTTP send
// *************************************************

var SLEEP_HOLD = false;

//-----------------------------------------------------------------------
/*
	Objective J
	var getData(var url, var post )	- Get data from server via AJAX

	INPUT:	url		- URL location to get data
			post	- Boolean if true do POST, false do GET
			data	- Data for post (if any)
			flag	- If TRUE return JSON parsed data
					  If FALSE just return data

	OUTPUT:	Returned data if OK
			null if failure
*/
//-----------------------------------------------------------------------

function FNET_getData( path, postState,data,flag )
................................................................................

		rtnval = null;
	}
	
	return rtnval;
}


// State switches

// *************************************************
function FNET_swToIdle()
{
	// (1) Disappear all the RUN and LOGIN objects
	
................................................................................
	
	$("#RUN").show();
	$("#LOGOUT_LINK").show();
	$("#RUN_DEBUG").show();
	$("#RUN_MAN").show();
	$("#RUN_AUTO").show();
	$("#RUN_INV").show();
	
}
	
// *************************************************
function FNET_swToLogin()
{
	// (1) Disappear all the IDLE and RUN objects
	
................................................................................
	$("#MANUAL_RUN" ).hide();
	$("#AUTO_RUN").hide();
	$("#INV_RUN").hide();
	
	// (2) Make the LOGIN stuff appear
	
	$("#LOGIN").show();
	
}

// *************************************************
function DEBUG_SwToDebug()
{
	// (1) Disappear other run things
	
................................................................................
	$("#MANUAL_RUN" ).hide();
	$("#AUTO_RUN").hide();
	$("#INV_RUN").hide();
	
	// (2) Make the DEBUG stuff appear
	
	$("#DEBUG_RUN").show();
	
}

// *************************************************
function RUN_toRunIdle()
{
	// (1) Disappear all the other run objects
	
	$("#DEBUG_RUN").hide();
	$("#DEBUG_RUN" ).hide();
	$("#AUTO_RUN" ).hide();
	$("#INV_RUN").hide();
	
	
	// (2) Make the run stuff appear
	
	$("#RUN" ).show();
	

}

// *************************************************
function MANUAL_SwToManual()
{
	// (1) Disappear other run things
	
	$("#RUN" ).hide();
	$("#DEBUG_RUN" ).hide();
	$("#AUTO_RUN" ).hide();
	$("#INV_RUN").hide();
	
	
	// (2) Make the MANUAL stuff appear
	
	$("#MANUAL_RUN").show();
	
	MANUAL_Operation();
	







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//	14-Jan-2012 Add try/catch on XHTTP send
// *************************************************

var SLEEP_HOLD = false;

//-----------------------------------------------------------------------
/*

	FNET_getData( path, postState,data,flag )	- Get data from server via AJAX

	INPUT:	path		- URL location to get data
			postState	- Boolean if true do POST, false do GET
			data		- Data for post (if any)
			flag		- If TRUE return JSON parsed data
					  	If FALSE just return data

	OUTPUT:	Returned data if OK
			null if failure
*/
//-----------------------------------------------------------------------

function FNET_getData( path, postState,data,flag )
................................................................................

		rtnval = null;
	}
	
	return rtnval;
}


// State switches

// *************************************************
function FNET_swToIdle()
{
	// (1) Disappear all the RUN and LOGIN objects
	
................................................................................
	
	$("#RUN").show();
	$("#LOGOUT_LINK").show();
	$("#RUN_DEBUG").show();
	$("#RUN_MAN").show();
	$("#RUN_AUTO").show();
	$("#RUN_INV").show();

}
	
// *************************************************
function FNET_swToLogin()
{
	// (1) Disappear all the IDLE and RUN objects
	
................................................................................
	$("#MANUAL_RUN" ).hide();
	$("#AUTO_RUN").hide();
	$("#INV_RUN").hide();
	
	// (2) Make the LOGIN stuff appear
	
	$("#LOGIN").show();

}

// *************************************************
function DEBUG_SwToDebug()
{
	// (1) Disappear other run things
	
................................................................................
	$("#MANUAL_RUN" ).hide();
	$("#AUTO_RUN").hide();
	$("#INV_RUN").hide();
	
	// (2) Make the DEBUG stuff appear
	
	$("#DEBUG_RUN").show();

}

// *************************************************
function RUN_toRunIdle()
{
	// (1) Disappear all the other run objects
	
	$("#DEBUG_RUN").hide();
	$("#DEBUG_RUN" ).hide();
	$("#AUTO_RUN" ).hide();
	$("#INV_RUN").hide();
	

	// (2) Make the run stuff appear
	
	$("#RUN" ).show();


}

// *************************************************
function MANUAL_SwToManual()
{
	// (1) Disappear other run things
	
	$("#RUN" ).hide();
	$("#DEBUG_RUN" ).hide();
	$("#AUTO_RUN" ).hide();
	$("#INV_RUN").hide();

	
	// (2) Make the MANUAL stuff appear
	
	$("#MANUAL_RUN").show();
	
	MANUAL_Operation();