--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/pylons_app/public/js/yui.flot.js	Sat Jul 24 02:17:48 2010 +0200
@@ -0,0 +1,2483 @@
+/**
+\file yui.flot.js
+\brief Javascript plotting library for YUI based on Flot v. 0.5.
+\details
+This file contains a port of Flot for YUI
+
+Copyright (c) 2009 Yahoo! Inc.  All rights reserved.  The copyrights embodied
+in the content of this file are licenced by Yahoo! Inc. under the BSD (revised)
+open source license.
+
+Requires yahoo-dom-event and datasource which you can get here:
+<script type="text/javascript" src="http://yui.yahooapis.com/combo?2.7.0/build/yahoo-dom-event/yahoo-dom-event.js&2.7.0/build/datasource/datasource-min.js"></script>
+
+Datasource is optional, you only need it if one of your axes has its mode set to "time"
+*/
+
+(function() {
+	var L = YAHOO.lang;
+	var UA = YAHOO.env.ua;
+	var DOM = YAHOO.util.Dom;
+	var E = YAHOO.util.Event;
+
+	if(!DOM.createElementFromMarkup) {
+		DOM.createElementFromMarkup = function(markup) {
+			var p=document.createElement('div');
+			p.innerHTML = markup;
+			var e = p.firstChild;
+			return p.removeChild(e);
+		};
+	}
+
+	if(!DOM.removeElement) {
+		DOM.removeElement = function(el) {
+			return el.parentNode.removeChild(el);
+		};
+	}
+
+	function Plot(target_, data_, options_) {
+		// 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"],
+				locale: "en",
+				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"
+					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
+					label: null,
+					labelWidth: null, // size of tick labels in pixels
+					labelHeight: null,
+
+					scaleType: 'linear',	// may be 'linear' or 'log'
+
+					// mode specific options
+					tickDecimals: null, // no. of decimals, null means auto
+					tickSize: null, // number or [number, "unit"]
+					minTickSize: null, // number or [number, "unit"]
+					timeformat: null // format string to use
+				},
+				yaxis: {
+					label: null,
+					autoscaleMargin: 0.02
+				},
+				x2axis: {
+					label: null,
+					autoscaleMargin: null
+				},
+				y2axis: {
+					label: null,
+					autoscaleMargin: 0.02
+				},			  
+				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
+				},
+				bars: {
+					show: false,
+					lineWidth: 2, // in pixels
+					barWidth: 1, // in units of the x axis
+					fill: true,
+					fillColor: null,
+					align: "left" // or "center" 
+				},
+				grid: {
+					show: true,
+					showLines: true,
+					color: "#545454", // primary color used for outline and labels
+					backgroundColor: null, // null for transparent, else color
+					tickColor: "#dddddd", // color used for the ticks
+					labelMargin: 5, // in pixels
+					labelFontSize: 16,
+					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
+				},
+				selection: {
+					mode: null, // one of null, "x", "y" or "xy"
+					color: "#e8cfac"
+				},
+				crosshair: {
+					mode: null, // one of null, "x", "y" or "xy",
+					color: "#aa0000"
+				},
+				shadowSize: 3
+			},
+		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,
+		target = DOM.get(target_),
+		axes = { xaxis: {}, yaxis: {}, x2axis: {}, y2axis: {} },
+		plotOffset = { left: 0, right: 0, top: 0, bottom: 0},
+		canvasWidth = 0, canvasHeight = 0,
+		plotWidth = 0, plotHeight = 0,
+		// dedicated to storing data for buggy standard compliance cases
+		workarounds = {};
+
+		this.setData = setData;
+		this.setupGrid = setupGrid;
+		this.draw = draw;
+		this.clearSelection = clearSelection;
+		this.setSelection = setSelection;
+		this.getCanvas = function() { return canvas; };
+		this.getPlotOffset = function() { return plotOffset; };
+		this.getData = function() { return series; };
+		this.getAxes = function() { return axes; };
+		this.setCrosshair = setCrosshair;
+		this.clearCrosshair = function () { setCrosshair(null); };
+		this.highlight = highlight;
+		this.unhighlight = unhighlight;
+
+		// initialize
+		parseOptions(options_);
+		setData(data_);
+		constructCanvas();
+		setupGrid();
+		draw();
+
+		var plot = this;
+
+		plot.createEvent('plotclick');
+		plot.createEvent('plothover');
+		plot.createEvent('plotselected');
+		plot.createEvent('plotunselected');
+
+
+
+		function setData(d) {
+			series = parseData(d);
+
+			fillInSeriesOptions();
+			processData();
+		}
+
+		function normalizeData(d) {
+			var possible_controls = ['x', 'time', 'date'];
+
+			if (L.isArray(d)) {
+				d = { data: d };
+			} else {
+				d = L.merge(d);
+			}
+
+			if(d.disabled) {
+				return undefined;
+			}
+
+			if (d.data.length === 0) {
+				return undefined;
+			}
+
+			var j, k;
+
+			// Make a copy so we don't obliterate the caller's data
+			var _data = [];
+
+			if (L.isArray(d.data[0])) {
+				for(j=0; j<d.data.length; j++) {
+					if(d.data[j]) {
+						var x = d.data[j][0];
+						var y = d.data[j][1];
+
+						if(L.isObject(x) && x.getTime) x = x.getTime()/1000;
+						else x = parseFloat(x);
+
+						if(L.isObject(y) && y.getTime) y = y.getTime()/1000;
+						else y = parseFloat(y);
+
+						_data.push({ x: x, y: y});
+					} else {
+						_data.push(d.data[j]);
+					}
+				}
+				d.control='x';
+				d.schema='y';
+			} else {
+				for(j=0; j<d.data.length; j++) {
+					_data.push({});
+					for(k in d.data[j]) {
+						if(L.isObject(d.data[j][k]) && d.data[j][k].getTime)
+							_data[j][k] = d.data[j][k].getTime()/1000;
+						else
+							_data[j][k] = parseFloat(d.data[j][k]);
+					}
+				}
+			}
+
+			d.data = _data;
+
+			if (!d.control) {
+				// try to guess the control field
+				for (j=0; j<possible_controls.length; j++) {
+					if(possible_controls[j] in d.data[0]) {
+						d.control = possible_controls[j];
+						break;
+					}
+				}
+			}
+
+			if (!d.schema) {
+				d.schema = [];
+				for(k in d.data[0]) {
+					if(!d.control) {
+						d.control = k;
+					}
+					if(k !== d.control) {
+						d.schema.push(k);
+					}
+				}
+			}
+
+			return L.merge(d, {dropped: []});
+		}
+
+		function markDroppedPoints(s) {
+			var l=s.data.length;
+
+			if(l <= canvasWidth/10 || options.dontDropPoints) {	// at least 10px per point
+				return s;
+			}
+
+			var dropperiod = 1-canvasWidth/10/l;
+			var drops = 0;
+			var points = l;
+
+			for(var j=0; j<l; j++) {
+				var x = s.data[j].x;
+				var y = s.data[j].y;
+
+				s.dropped[j] = (drops > 1);
+				if(s.dropped[j]) {
+					drops-=1;
+				}
+
+				if(!isNaN(x) && !isNaN(x))
+					drops+=dropperiod;
+				else {
+					drops=0;	// bonus for a null point
+					points--; 
+					dropperiod=1-canvasWidth/10/points;
+				}
+			}
+
+			return s;
+		}
+
+		function splitSeries(s) {
+			var res = [];
+
+			for(var k=0; k<s.schema.length; k++) {
+				res[k] = L.merge(s, {data: []});
+				if(s.label && L.isObject(s.label) && s.label[s.schema[k]]) {
+					res[k].label = s.label[s.schema[k]];
+				}
+				if(s.color && L.isObject(s.color) && s.color[s.schema[k]]) {
+					res[k].color = s.color[s.schema[k]];
+				}
+			}
+
+			for(var i=0; i<s.data.length; i++) {
+				var d = s.data[i];
+				for(k=0; k<s.schema.length; k++) {
+					var tuple = { x: d[s.control], y: d[s.schema[k]] };
+					res[k].data.push(tuple);
+					res[k].control='x';
+					res[k].schema='y';
+				}
+			}
+
+			return res;
+		}
+
+		function parseData(d) {
+			if(d.length === 0) {
+				return null;
+			}
+			
+			// get the canvas width so we know if we have to drop points
+			canvasWidth = parseInt(DOM.getStyle(target, 'width'), 10);
+
+			// First we normalise the data into a standard format
+			var s, res = [];
+			for (var i = 0; i < d.length; ++i) {
+				s = normalizeData(d[i]);
+				if(typeof s === 'undefined') 
+					continue;
+
+				if(L.isArray(s.schema)) {
+					s = splitSeries(s);
+				}
+				else {
+					s = [s];
+				}
+
+				for(var k=0; k<s.length; k++) {
+					s[k] = markDroppedPoints(s[k]);
+					res.push(s[k]);
+				}
+			}
+
+			return res;
+		}
+
+		function parseOptions(o) {
+			if (options.grid.borderColor == null)
+				options.grid.borderColor = options.grid.color;
+
+			if(typeof o === 'undefined') {
+				return;
+			}
+			o = YAHOO.lang.merge(o);
+			for(var k in o)	{
+				if(L.isObject(o[k]) && L.isObject(options[k])) {
+					L.augmentObject(options[k], o[k], true);
+					delete o[k];
+				}
+			}
+			L.augmentObject(options, o, true);
+		}
+
+		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(parseColor(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 = new Color(100, 100, 100);
+				else
+					c = parseColor(options.colors[i]);
+
+				// vary color if needed
+				var sign = variation % 2 == 1 ? -1 : 1;
+				var factor = 1 + sign * Math.ceil(variation / 2) * 0.2;
+				c.scale(factor, factor, factor);
+
+				// FIXME: if we're getting too 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();
+
+				// copy the rest
+				s.lines = L.merge(options.lines, s.lines || {});
+				s.points = L.merge(options.points, s.points || {});
+				s.bars = L.merge(options.bars, s.bars || {});
+
+				// turn on lines automatically in case nothing is set
+				if (s.lines.show == null && !s.bars.show && !s.points.show)
+					s.lines.show = true;
+
+				if (s.shadowSize == null)
+					s.shadowSize = options.shadowSize;
+
+				if (s.xaxis && s.xaxis == 2)
+					s.xaxis = axes.x2axis;
+				else
+					s.xaxis = axes.xaxis;
+				if (s.yaxis && s.yaxis >= 2) {
+					if(!axes['y' + s.yaxis + 'axis'])
+						axes['y' + s.yaxis + 'axis'] = {};
+					if(!options['y' + s.yaxis + 'axis'])
+						options['y' + s.yaxis + 'axis'] = { autoscaleMargin: 0.02 };
+					s.yaxis = axes['y' + s.yaxis + 'axis'];
+				}
+				else
+					s.yaxis = axes.yaxis;
+			}
+		}
+
+		function processData() {
+			var topSentry = Number.POSITIVE_INFINITY,
+				bottomSentry = Number.NEGATIVE_INFINITY,
+				axis;
+
+			for (axis in axes) {
+				axes[axis].datamin = topSentry;
+				axes[axis].datamax = bottomSentry;
+				axes[axis].min = options[axis].min;
+				axes[axis].max = options[axis].max;
+				axes[axis].used = false;
+			}
+
+			for (var i = 0; i < series.length; ++i) {
+				var s = series[i];
+				var data = s.data,
+					axisx = s.xaxis, axisy = s.yaxis,
+					xmin = topSentry, xmax = bottomSentry,
+					ymin = topSentry, ymax = bottomSentry,
+					x, y, p;
+
+				axisx.used = axisy.used = true;
+
+				if (s.bars.show) {
+					// make sure we got room for the bar
+					var delta = s.bars.align == "left" ? 0 : -s.bars.barWidth/2;
+					xmin += delta;
+					xmax += delta + s.bars.barWidth;
+				}
+
+				for (var j = 0; j < data.length; ++j) {
+					p = data[j];
+
+					if(data[j] === null)
+						continue;
+
+					x = p.x;
+					y = p.y;
+
+					if(L.isObject(x) && x.getTime) {	// this is a Date object
+						x = x.getTime()/1000;
+					}
+
+					if(L.isObject(y) && y.getTime) {	// this is a Date object
+						y = y.getTime()/1000;
+					}
+
+					// convert to number
+					if (x != null && !isNaN(x = +x)) {
+						if (x < xmin)
+							xmin = x;
+						if (x > xmax)
+							xmax = x;
+					}
+					else
+						x = null;
+
+					if (y != null && !isNaN(y = +y)) {
+						if (y < ymin)
+							ymin = y;
+						if (y > ymax)
+							ymax = y;
+					}
+					else
+						y = null;
+
+					if (x == null || y == null)
+						data[j] = x = y = null; // mark this point invalid
+				}
+
+				axisx.datamin = Math.min(axisx.datamin, xmin);
+				axisx.datamax = Math.max(axisx.datamax, xmax);
+				axisy.datamin = Math.min(axisy.datamin, ymin);
+				axisy.datamax = Math.max(axisy.datamax, ymax);
+			}
+		}
+
+		function constructCanvas() {
+			function makeCanvas(width, height, container, style) {
+				var c = document.createElement('canvas');
+				c.width = width;
+				c.height = height;
+				if (typeof G_vmlCanvasManager !== 'undefined') // excanvas hack
+					c = G_vmlCanvasManager.initElement(c);
+
+				if(style) {
+					for(var k in style) {
+						c.style[k] = style[k];
+					}
+				}
+				container.appendChild(c);
+
+				return c;
+			}
+
+			canvasWidth = parseInt(DOM.getStyle(target, 'width'), 10);
+			canvasHeight = parseInt(DOM.getStyle(target, 'height'), 10);
+			target.innerHTML = ""; // clear target
+			target.style.position = "relative"; // for positioning labels and overlay
+
+			if (canvasWidth <= 0 || canvasHeight <= 0)
+				throw "Invalid dimensions for plot, width = " + canvasWidth + ", height = " + canvasHeight;
+
+			if (YAHOO.env.ua.ie) {
+				G_vmlCanvasManager.init_(document);
+			}
+
+			// the canvas
+			canvas = makeCanvas(canvasWidth, canvasHeight, target);
+			ctx = canvas.getContext("2d");
+
+			// overlay canvas for interactive features
+			overlay = makeCanvas(canvasWidth, canvasHeight, target, { position: 'absolute', left: '0px', top: '0px' });
+			octx = overlay.getContext("2d");
+
+			// 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.selection.mode != null || options.crosshair.mode != null || options.grid.hoverable) {
+				E.on(eventHolder, 'mousemove', onMouseMove);
+
+				if (options.selection.mode != null)
+					E.on(eventHolder, "mousedown", onMouseDown);
+			}
+
+			if (options.crosshair.mode != null)
+				E.on(eventHolder, "mouseout", onMouseOut);
+
+			if (options.grid.clickable)
+				E.on(eventHolder, "click", onClick);
+		}
+
+		function setupGrid() {
+			function setupAxis(axis, options, type) {
+				setRange(axis, options);
+				prepareTickGeneration(axis, options);
+				setTicks(axis, options);
+				// add transformation helpers
+				if (type == 'x') {
+					// data point to canvas coordinate
+					axis.p2c = function (p) { return (p - axis.min) * axis.scale; };
+					// canvas coordinate to data point
+					axis.c2p = function (c) { return axis.min + c / axis.scale; };
+				}
+				else {
+					axis.p2c = function (p) { return (axis.max - p) * axis.scale; };
+					axis.c2p = function (c) { return axis.max - c / axis.scale; };
+				}
+			}
+
+			for (var axis in axes)
+				setupAxis(axes[axis], options[axis], axis.charAt(0));
+
+			setSpacing();
+			if(options.grid.show)
+			  insertLabels();
+			insertLegend();
+			insertAxisLabels();
+		}
+
+		function setRange(axis, axisOptions) {
+			var min = axisOptions.min != null ? (axisOptions.scaleType == 'log' ? Math.log(axisOptions.min<=0?1:axisOptions.min) * Math.LOG10E : axisOptions.min) : axis.datamin;
+			var max = axisOptions.max != null ? (axisOptions.scaleType == 'log' ? Math.log(axisOptions.max) * Math.LOG10E : axisOptions.max) : axis.datamax;
+
+			if(axisOptions.mode === 'time') {
+				if(L.isObject(min) && min.getTime) min = min.getTime()/1000;
+				if(L.isObject(max) && max.getTime) max = max.getTime()/1000;
+			}
+
+			// degenerate case
+			if (min == Number.POSITIVE_INFINITY)
+				min = 0;
+			if (max == Number.NEGATIVE_INFINITY)
+				max = 1;
+
+			if (max - min == 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 -= (max - min) * margin;
+						// make sure we don't go below zero if all values
+						// are positive
+						if (min < 0 && axis.datamin >= 0)
+							min = 0;
+					}
+					if (axisOptions.max == null) {
+						max += (max - min) * margin;
+						if (max > 0 && 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)
+				noTicks = canvasWidth / 100;
+			else
+				noTicks = canvasHeight / 60;
+
+			var delta = (axis.max - axis.min) / noTicks;
+			var size, generator, unit, formatter, magn, norm;
+
+			if (axisOptions.mode == "time") {
+				// pretty handling of time
+
+				delta*=1000;
+
+				// 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 (var 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*1000);
+
+					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/1000, 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*1000 && v != prev);
+
+					return ticks;
+				};
+
+				formatter = function (v, axis) {
+					var d = new Date(v);
+
+					// first check global format
+					if (axisOptions.timeformat != null)
+						return YAHOO.util.Date.format(d, {format: axisOptions.timeformat}, options.locale);
+
+					var t = axis.tickSize[0] * timeUnitSize[axis.tickSize[1]];
+					var span = axis.max - axis.min;
+					span*=1000;
+
+					if (t < timeUnitSize.minute)
+						var fmt = "%k:%M:%S";
+					else if (t < timeUnitSize.day) {
+						if (span < 2 * timeUnitSize.day)
+							fmt = "%k:%M";
+						else
+							fmt = "%b %d %k:%M";
+					}
+					else if (t < timeUnitSize.month)
+						fmt = "%b %d";
+					else if (t < timeUnitSize.year) {
+						if (span < timeUnitSize.year/2)
+							fmt = "%b";
+						else
+							fmt = "%b %Y";
+					}
+					else
+						fmt = "%Y";
+
+					return YAHOO.util.Date.format(d, {format: fmt}, axisOptions.timelang);
+				};
+			}
+			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;
+						var t=v;
+						if(axis.scaleType == 'log') {
+							t = Math.exp(t / Math.LOG10E);
+						}
+						ticks.push({ v: v, label: axis.tickFormatter(t, axis) });
+						++i;
+					} while (v < axis.max && v != prev);
+					return ticks;
+				};
+
+				formatter = function (v, axis) {
+					return v.toFixed(axis.tickDecimals);
+				};
+			}
+
+			axis.scaleType = axisOptions.scaleType;
+			axis.tickSize = unit ? [size, unit] : size;
+			axis.tickGenerator = generator;
+			if (L.isFunction(axisOptions.tickFormatter))
+				axis.tickFormatter = function (v, axis) { return "" + axisOptions.tickFormatter(v, axis); };
+			else
+				axis.tickFormatter = formatter;
+			if (axisOptions.labelWidth != null)
+				axis.labelWidth = axisOptions.labelWidth;
+			if (axisOptions.labelHeight != null)
+				axis.labelHeight = axisOptions.labelHeight;
+		}
+
+		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 (L.isFunction(ticks))
+					// generate the ticks
+					ticks = ticks({ min: axis.min, max: axis.max });
+
+				// clean up the user-supplied ticks, copy them over
+				var v;
+				for (var 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 (axisOptions.scaleType == 'log') {
+						if (label == null)
+							label = v;
+						v = Math.log(v) * Math.LOG10E;
+					}
+
+					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.min(axis.max, axis.ticks[axis.ticks.length - 1].v);
+			}
+		}
+
+		function setSpacing() {
+			function measureXLabels(axis) {
+  			if(options.grid.show){
+  				// 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 / 6;
+
+  				// measure x label heights
+  				if (axis.labelHeight == null) {
+  					var labels = [];
+  					for (var i = 0; i < axis.ticks.length; ++i) {
+  						var l = axis.ticks[i].label;
+  						if (l)
+  							labels.push('<div class="tickLabel" style="float:left;width:' + axis.labelWidth + 'px">' + l + '</div>');
+  					}
+
+  					axis.labelHeight = 0;
+  					if (labels.length > 0) {
+  						var dummyDiv = target.appendChild(DOM.createElementFromMarkup('<div style="position:absolute;top:-10000px;width:10000px;font-size:smaller">'
+  										 + labels.join("") + '<div style="clear:left"></div></div>'));
+  						axis.labelHeight = dummyDiv.offsetHeight;
+  						target.removeChild(dummyDiv);
+  					}
+  				}
+			  }
+			  else{
+				  axis.labelHeight = 0;
+				  axis.labelWidth = 0;
+			  }
+			}
+
+			function measureYLabels(axis) {
+  			if(options.grid.show){
+  				if (axis.labelWidth == null || axis.labelHeight == null) {
+  					var labels = [], l;
+  					// calculate y label dimensions
+  					for (var 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 = target.appendChild(DOM.createElementFromMarkup('<div style="position:absolute;top:-10000px;font-size:smaller">'
+  										 + labels.join("") + '</div>'));
+  						if (axis.labelWidth == null)
+  							axis.labelWidth = dummyDiv.offsetWidth;
+  						if (axis.labelHeight == null)
+  							axis.labelHeight = dummyDiv.firstChild.offsetHeight;
+  						target.removeChild(dummyDiv);
+  					}
+
+  					if (axis.labelWidth == null)
+  						axis.labelWidth = 0;
+  					if (axis.labelHeight == null)
+  						axis.labelHeight = 0;
+  				}
+  		  }
+			  else{
+				  axis.labelHeight = 0;
+				  axis.labelWidth = 0;
+			  }
+			}
+
+			measureXLabels(axes.xaxis);
+			measureYLabels(axes.yaxis);
+			measureXLabels(axes.x2axis);
+			measureYLabels(axes.y2axis);
+			// get the most space needed around the grid for things
+			// that may stick out
+			var maxOutset = (options.grid.show) ? options.grid.borderWidth : 0;
+			for (var i = 0; i < series.length; ++i)
+				maxOutset = (Math.max(maxOutset, 2 * (((series[i].points.show) ? series[i].points.radius : 0 ) + 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;
+
+			// precompute how much the axis is scaling a point in canvas space
+			for(var axis in axes) {
+				axes[axis].scale = (axis.charAt(0) == 'x' ? plotWidth : plotHeight) / (axes[axis].max - axes[axis].min);
+			}
+		}
+
+		function draw() {
+			drawGrid();
+			for (var i = 0; i < series.length; i++) {
+				drawSeries(series[i]);
+			}
+		}
+
+		function extractRange(ranges, coord) {
+			var firstAxis = coord + "axis",
+				secondaryAxis = coord + "2axis",
+				axis, from, to, reverse;
+
+			if (ranges[firstAxis]) {
+				axis = firstAxis;
+			}
+			else if (ranges[secondaryAxis]) {
+				axis = secondaryAxis;
+			}
+			else {
+				return { from: null, to: null, axis: axes[firstAxis] };
+			}
+
+			from = ranges[axis].from;
+			to = ranges[axis].to;
+
+			if (options[axis].scaleType == 'log') {
+				if (from != null)
+					from = Math.log(from) * Math.LOG10E;
+				if (to != null)
+					to = Math.log(to) * Math.LOG10E;
+			}
+
+			axis = axes[axis];
+
+			// 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.clearRect(0, 0, canvasWidth, canvasHeight);
+			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 (L.isFunction(markings))
+					markings = markings({ 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
+					if (xrange.from == null)
+						xrange.from = xrange.axis.min;
+					if (xrange.to == null)
+						xrange.to = xrange.axis.max;
+					if (yrange.from == null)
+						yrange.from = yrange.axis.min;
+					if (yrange.to == null)
+						yrange.to = yrange.axis.max;
+
+					// clip
+					if (xrange.to < xrange.axis.min || xrange.from > xrange.axis.max ||
+						yrange.to < yrange.axis.min || yrange.from > yrange.axis.max)
+						continue;
+
+					xrange.from = Math.max(xrange.from, xrange.axis.min);
+					xrange.to = Math.min(xrange.to, xrange.axis.max);
+					yrange.from = Math.max(yrange.from, yrange.axis.min);
+					yrange.to = Math.min(yrange.to, yrange.axis.max);
+
+					if (xrange.from == xrange.to && yrange.from == yrange.to)
+						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.strokeStyle = m.color || options.grid.markingsColor;
+						ctx.beginPath();
+						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);
+					}
+				}
+			}
+
+			if(options.grid.show && options.grid.showLines) {
+				// 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.show && options.grid.borderWidth) {
+				// draw border
+				var bw = options.grid.borderWidth;
+				ctx.lineWidth = bw;
+				ctx.strokeStyle = options.grid.borderColor;
+				ctx.lineJoin = "round";
+				ctx.strokeRect(-bw/2, -bw/2, plotWidth + bw, plotHeight + bw);
+			}
+
+			ctx.restore();
+		}
+
+		function insertLabels() {
+			DOM.getElementsByClassName("tickLabels", "div", target, DOM.removeElement);
+
+			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>');
+
+			target.appendChild(DOM.createElementFromMarkup(html.join("")));
+		}
+
+		function insertAxisLabels() {
+			var xLocation, yLocation;
+			if( options.xaxis.label ) {
+				yLocation = plotOffset.top + plotHeight + ( axes.xaxis.labelHeight * 1.5 );
+				xLocation = plotOffset.left;
+				DOM.getElementsByClassName("xaxislabel", "div", target, DOM.removeElement);
+				target.appendChild(
+					DOM.createElementFromMarkup(
+						"<div class='xaxislabel' style='color:" + options.grid.color + ";width:" + plotWidth + "px;"
+							+ "text-align:center;position:absolute;top:" + yLocation + "px;left:" + xLocation + "px;'>"
+							+ options.xaxis.label + "</div>"
+					)
+				);
+			}
+			if( options.yaxis.label ) {
+				xLocation = plotOffset.left - ( axes.yaxis.labelWidth * 2 ) - options.grid.labelFontSize;
+				yLocation = plotOffset.top + plotHeight/2;
+				DOM.getElementsByClassName("yaxislabel", "div", target, DOM.removeElement);
+
+				target.appendChild(
+					DOM.createElementFromMarkup(
+						"<div class='yaxislabel' style='-moz-transform:rotate(270deg);-webkit-transform:rotate(270deg);writing-mode:tb-rl;filter:flipV flipH;color:" + options.grid.color + ";"
+							+ "text-align:center;position:absolute;top:" + yLocation + "px;left:" + xLocation + "px;'>"
+							+ options.yaxis.label + "</div>")
+				);
+			}
+	        }
+
+		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(data, xoffset, yoffset, axisx, axisy) {
+				var prev = null, cur=null, drawx = null, drawy = null;
+
+				ctx.beginPath();
+				for (var i = 0; i < data.length; i++) {
+					prev = cur;
+					cur = data[i];
+
+					if(prev == null || cur == null)
+						continue;
+
+					var x1 = prev.x, y1 = prev.y,
+						x2 = cur.x, y2 = cur.y;
+
+					// clip with ymin
+					if (y1 <= y2 && y1 < axisy.min) {
+						if (y2 < axisy.min)
+							continue;   // line segment is outside
+						// compute new intersection point
+						x1 = (axisy.min - y1) / (y2 - y1) * (x2 - x1) + x1;
+						y1 = axisy.min;
+					}
+					else if (y2 <= y1 && y2 < axisy.min) {
+						if (y1 < axisy.min)
+							continue;
+						x2 = (axisy.min - y1) / (y2 - y1) * (x2 - x1) + x1;
+						y2 = axisy.min;
+					}
+
+					// clip with ymax
+					if (y1 >= y2 && y1 > axisy.max) {
+						if (y2 > axisy.max)
+							continue;
+						x1 = (axisy.max - y1) / (y2 - y1) * (x2 - x1) + x1;
+						y1 = axisy.max;
+					}
+					else if (y2 >= y1 && y2 > axisy.max) {
+						if (y1 > axisy.max)
+							continue;
+						x2 = (axisy.max - y1) / (y2 - y1) * (x2 - x1) + x1;
+						y2 = axisy.max;
+					}
+
+					// 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;
+					}
+					else if (x2 <= x1 && x2 < axisx.min) {
+						if (x1 < axisx.min)
+							continue;
+						y2 = (axisx.min - x1) / (x2 - x1) * (y2 - y1) + y1;
+						x2 = axisx.min;
+					}
+
+					// clip with xmax
+					if (x1 >= x2 && x1 > axisx.max) {
+						if (x2 > axisx.max)
+							continue;
+						y1 = (axisx.max - x1) / (x2 - x1) * (y2 - y1) + y1;
+						x1 = axisx.max;
+					}
+					else if (x2 >= x1 && x2 > axisx.max) {
+						if (x1 > axisx.max)
+							continue;
+						y2 = (axisx.max - x1) / (x2 - x1) * (y2 - y1) + y1;
+						x2 = axisx.max;
+					}
+
+					if (drawx != axisx.p2c(x1) + xoffset || drawy != axisy.p2c(y1) + yoffset)
+						ctx.moveTo(axisx.p2c(x1) + xoffset, axisy.p2c(y1) + yoffset);
+
+					drawx = axisx.p2c(x2) + xoffset;
+					drawy = axisy.p2c(y2) + yoffset;
+					ctx.lineTo(axisx.p2c(x2) + xoffset, axisy.p2c(y2) + yoffset);
+				}
+				ctx.stroke();
+			}
+
+			function plotLineArea(data, axisx, axisy) {
+				var prev, cur = null,
+					bottom = Math.min(Math.max(0, axisy.min), axisy.max),
+					top, lastX = 0, areaOpen = false;
+
+				for (var i = 0; i < data.length; i++) {
+					prev = cur;
+					cur = data[i];
+
+					if (areaOpen && x1 != null && x2 == null) {
+						// close area
+						ctx.lineTo(axisx.p2c(lastX), axisy.p2c(bottom));
+						ctx.fill();
+						areaOpen = false;
+						continue;
+					}
+
+					if (prev == null || cur == null) {
+						if(areaOpen) {
+							ctx.lineTo(axisx.p2c(lastX), axisy.p2c(bottom));
+							ctx.fill();
+						}
+						areaOpen = false;
+						continue;
+					}
+
+					var x1 = prev.x, y1 = prev.y,
+						x2 = cur.x, y2 = cur.y;
+
+					// 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;
+					}
+					else if (x2 <= x1 && x2 < axisx.min) {
+						if (x1 < axisx.min)
+							continue;
+						y2 = (axisx.min - x1) / (x2 - x1) * (y2 - y1) + y1;
+						x2 = axisx.min;
+					}
+
+					// clip with xmax
+					if (x1 >= x2 && x1 > axisx.max) {
+						if (x2 > axisx.max)
+							continue;
+						y1 = (axisx.max - x1) / (x2 - x1) * (y2 - y1) + y1;
+						x1 = axisx.max;
+					}
+					else if (x2 >= x1 && x2 > axisx.max) {
+						if (x1 > axisx.max)
+							continue;
+						y2 = (axisx.max - x1) / (x2 - x1) * (y2 - y1) + y1;
+						x2 = axisx.max;
+					}
+
+					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;
+						y2 = axisy.min;
+					}
+
+					// clip with ymax
+					if (y1 >= y2 && y1 > axisy.max && y2 <= axisy.max) {
+						x1 = (axisy.max - 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 && sw > 0) {
+				// draw shadow as a thick and thin line with transparency
+				ctx.lineWidth = sw;
+				ctx.strokeStyle = "rgba(0,0,0,0.1)";
+				var xoffset = 1;
+				plotLine(series.data, xoffset, Math.sqrt((lw/2 + sw/2)*(lw/2 + sw/2) - xoffset*xoffset), series.xaxis, series.yaxis);
+				ctx.lineWidth = sw/2;
+				plotLine(series.data, xoffset, Math.sqrt((lw/2 + sw/4)*(lw/2 + sw/4) - xoffset*xoffset), series.xaxis, series.yaxis);
+			}
+
+			ctx.lineWidth = lw;
+			ctx.strokeStyle = series.color;
+			var fillStyle = getFillStyle(series.lines, series.color, 0, plotHeight);
+			if (fillStyle) {
+				ctx.fillStyle = fillStyle;
+				plotLineArea(series.data, series.xaxis, series.yaxis);
+			}
+
+			if (lw > 0)
+				plotLine(series.data, 0, 0, series.xaxis, series.yaxis);
+			ctx.restore();
+		}
+
+		function drawSeriesPoints(series) {
+			function plotPoints(data, radius, fillStyle, offset, circumference, axisx, axisy) {
+				for (var i = 0; i < data.length; i++) {
+					if (data[i] == null || series.dropped[i])
+						continue;
+
+					var x = data[i].x, y = data[i].y;
+					if (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, true);
+					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.data, radius, null, w + w/2, 2 * Math.PI,
+						   series.xaxis, series.yaxis);
+
+				ctx.strokeStyle = "rgba(0,0,0,0.2)";
+				plotPoints(series.data, radius, null, w/2, 2 * Math.PI,
+						   series.xaxis, series.yaxis);
+			}
+
+			ctx.lineWidth = lw;
+			ctx.strokeStyle = series.color;
+			plotPoints(series.data, radius,
+					   getFillStyle(series.points, series.color), 0, 2 * Math.PI,
+					   series.xaxis, series.yaxis);
+			ctx.restore();
+		}
+
+		function drawBar(x, y, barLeft, barRight, offset, fill, axisx, axisy, c) {
+			var drawLeft = true, drawRight = true,
+				drawTop = true, drawBottom = false,
+				left = x + barLeft, right = x + barRight,
+				bottom = 0, top = y;
+
+			// account for negative bars
+			if (top < bottom) {
+				top = 0;
+				bottom = y;
+				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 (fill) {
+				c.beginPath();
+				c.moveTo(left, bottom);
+				c.lineTo(left, top);
+				c.lineTo(right, top);
+				c.lineTo(right, bottom);
+				if(typeof fill === 'function') {
+					c.fillStyle = fill(bottom, top);
+				} else if(typeof fill === 'string') {
+					c.fillStyle = fill;
+				}
+				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(data, barLeft, barRight, offset, fill, axisx, axisy) {
+
+				for (var i = 0; i < data.length; i++) {
+					if (data[i] == null)
+						continue;
+					drawBar(data[i].x, data[i].y, barLeft, barRight, offset, fill, axisx, axisy, ctx);
+				}
+			}
+
+			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 fill = series.bars.fill ? function (bottom, top) { return getFillStyle(series.bars, series.color, bottom, top); } : null;
+			plotBars(series.data, barLeft, barLeft + series.bars.barWidth, 0, fill, 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 = parseColor(seriesColor);
+			c.a = typeof fill == "number" ? fill : 0.4;
+			c.normalize();
+			return c.toString();
+		}
+
+		function insertLegend() {
+			DOM.getElementsByClassName("legend", "div", target, DOM.removeElement);
+
+			if (!options.legend.show)
+				return;
+
+			var fragments = [], rowStarted = false,
+				lf = options.legend.labelFormatter, s, label;
+			for (var 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)
+				DOM.get(options.legend.container).innerHTML = table;
+			else {
+				var pos = "",
+					p = options.legend.position,
+					m = options.legend.margin;
+				if (m[0] == null)
+					m = [m, m];
+				if (p.charAt(0) == "n")
+					pos += 'top:' + (m[1] + plotOffset.top) + 'px;';
+				else if (p.charAt(0) == "s")
+					pos += 'bottom:' + (m[1] + plotOffset.bottom) + 'px;';
+				if (p.charAt(1) == "e")
+					pos += 'right:' + (m[0] + plotOffset.right) + 'px;';
+				else if (p.charAt(1) == "w")
+					pos += 'left:' + (m[0] + plotOffset.left) + 'px;';
+				var legend = target.appendChild(DOM.createElementFromMarkup('<div class="legend">' + table.replace('style="', 'style="position:absolute;' + pos +';') + '</div>'));
+				if (options.legend.backgroundOpacity != 0.0) {
+					// put in the transparent background
+					// separately to avoid blended labels and
+					// label boxes
+					var c = options.legend.backgroundColor;
+					if (c == null) {
+						var tmp;
+						if (options.grid.backgroundColor && typeof options.grid.backgroundColor == "string")
+							tmp = options.grid.backgroundColor;
+						else
+							tmp = extractColor(legend);
+						c = parseColor(tmp).adjust(null, null, null, 1).toString();
+					}
+					var div = legend.firstChild;
+					var _el = DOM.insertBefore(
+								DOM.createElementFromMarkup('<div style="position:absolute;width:' + parseInt(DOM.getStyle(div, 'width'), 10)
+											+ 'px;height:' + parseInt(DOM.getStyle(div, 'height'), 10) + 'px;'
+											+ pos +'background-color:' + c + ';"> </div>'),
+								legend
+							);
+					DOM.setStyle(_el, 'opacity', options.legend.backgroundOpacity);
+				}
+			}
+		}
+
+
+		// interactive features
+
+		var lastMousePos = { pageX: null, pageY: null },
+			selection = {
+				first: { x: -1, y: -1}, second: { x: -1, y: -1},
+				show: false, active: false },
+			crosshair = { pos: { x: -1, y: -1 } },
+			highlights = [],
+			clickIsMouseUp = false,
+			redrawTimeout = null,
+			hoverTimeout = null;
+
+		// Returns the data item the mouse is over, or null if none is found
+		function findNearbyItem(mouseX, mouseY) {
+			var maxDistance = options.grid.mouseActiveRadius,
+				lowestDistance = maxDistance * maxDistance + 1,
+				item = null, foundPoint = false, j, x, y;
+
+			function result(i, j) {
+				return {
+					datapoint: series[i].data[j],
+					dataIndex: j,
+					series: series[i],
+					seriesIndex: i
+				};
+			}
+
+			for (var i = 0; i < series.length; ++i) {
+				var s = series[i],
+					axisx = s.xaxis,
+					axisy = s.yaxis,
+					mx = axisx.c2p(mouseX), // precompute some stuff to make the loop faster
+					my = axisy.c2p(mouseY),
+					maxx = maxDistance / axisx.scale,
+					maxy = maxDistance / axisy.scale;
+
+				var data = s.data;
+
+				if (s.lines.show || s.points.show) {
+					for (j = 0; j < data.length; j++ ) {
+						if (data[j] == null)
+							continue;
+
+						x = data[j].x;
+						y = data[j].y;
+
+						// 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; // no idea in taking sqrt
+						if (dist < lowestDistance) {
+							lowestDistance = dist;
+							item = result(i, j);
+						}
+					}
+				}
+
+				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 < data.length; j++) {
+						x = data[j].x;
+						y = data[j].y;
+						if (x == null)
+							continue;
+  
+						// for a bar graph, the cursor must be inside the bar
+						if ((mx >= x + barLeft && mx <= x + barRight &&
+							 my >= Math.min(0, y) && my <= Math.max(0, y)))
+								item = result(i, j);
+					}
+				}
+			}
+
+			return item;
+		}
+
+		function onMouseMove(e) {
+			lastMousePos.pageX = E.getPageX(e);
+			lastMousePos.pageY = E.getPageY(e);
+
+			if (options.grid.hoverable)
+				triggerClickHoverEvent("plothover", lastMousePos);
+
+			if (options.crosshair.mode != null) {
+				if (!selection.active) {
+					setPositionFromEvent(crosshair.pos, lastMousePos);
+					triggerRedrawOverlay();
+				}
+				else
+					crosshair.pos.x = -1; // hide the crosshair while selecting
+			}
+
+			if (selection.active) {
+				updateSelection(lastMousePos);
+			}
+		}
+
+		function onMouseDown(e) {
+			var button = e.which || e.button;
+			if (button != 1)  // only accept left-click
+				return;
+
+			// cancel out any text selections
+			document.body.focus();
+
+			// prevent text selection and drag in old-school browsers
+			if (document.onselectstart !== undefined && workarounds.onselectstart == null) {
+				workarounds.onselectstart = document.onselectstart;
+				document.onselectstart = function () { return false; };
+			}
+			if (document.ondrag !== undefined && workarounds.ondrag == null) {
+				workarounds.ondrag = document.ondrag;
+				document.ondrag = function () { return false; };
+			}
+
+			var mousePos = {pageX: E.getPageX(e), pageY: E.getPageY(e)};
+			setSelectionPos(selection.first, mousePos);
+
+			lastMousePos.pageX = null;
+			selection.active = true;
+			E.on(document, "mouseup", onSelectionMouseUp);
+		}
+
+		function onMouseOut(e) {
+			if (options.crosshair.mode != null && crosshair.pos.x != -1) {
+				crosshair.pos.x = -1;
+				triggerRedrawOverlay();
+			}
+		}
+
+		function onClick(e) {
+			if (clickIsMouseUp) {
+				clickIsMouseUp = false;
+				return;
+			}
+
+			var mousePos = {pageX: E.getPageX(e), pageY: E.getPageY(e)};
+			triggerClickHoverEvent("plotclick", mousePos);
+		}
+
+		// trigger click or hover event (they send the same parameters
+		// so we share their code)
+		function triggerClickHoverEvent(eventname, event) {
+			var offset = DOM.getXY(eventHolder[0]),
+				pos = { pageX: event.pageX, pageY: event.pageY },
+				canvasX = event.pageX - offset[0] - plotOffset.left,
+				canvasY = event.pageY - offset[1] - plotOffset.top;
+
+			for(var axis in axes)
+				if(axes[axis].used)
+					pos[axis.replace(/axis$/, '')] = axes[axis].c2p(axis.charAt(0) == 'x' ? canvasX :  canvasY);
+
+			var item = findNearbyItem(canvasX, canvasY);
+
+			if (item) {
+				// fill in mouse pos for any listeners out there
+				item.pageX = parseInt(item.series.xaxis.p2c(item.datapoint.x) + offset[0] + plotOffset.left, 10);
+				item.pageY = parseInt(item.series.yaxis.p2c(item.datapoint.y) + offset[1] + 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 == item.datapoint))
+						unhighlight(h.series, h.point);
+				}
+
+				if (item)
+					highlight(item.series, item.datapoint, eventname);
+			}
+
+			plot.fireEvent(eventname, {pos: pos, item: item });
+		}
+
+		function triggerRedrawOverlay() {
+			if (!redrawTimeout)
+				redrawTimeout = setTimeout(redrawOverlay, 30);
+		}
+
+		function redrawOverlay() {
+			redrawTimeout = null;
+
+			// redraw highlights
+			octx.save();
+			octx.clearRect(0, 0, canvasWidth, canvasHeight);
+			octx.translate(plotOffset.left, plotOffset.top);
+
+			var hi;
+			for (var 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);
+			}
+
+			// redraw selection
+			if (selection.show && selectionIsSane()) {
+				octx.strokeStyle = parseColor(options.selection.color).scale(null, null, null, 0.8).toString();
+				octx.lineWidth = 1;
+				ctx.lineJoin = "round";
+				octx.fillStyle = parseColor(options.selection.color).scale(null, null, null, 0.4).toString();
+
+				var x = Math.min(selection.first.x, selection.second.x),
+					y = Math.min(selection.first.y, selection.second.y),
+					w = Math.abs(selection.second.x - selection.first.x),
+					h = Math.abs(selection.second.y - selection.first.y);
+
+				octx.fillRect(x, y, w, h);
+				octx.strokeRect(x, y, w, h);
+			}
+
+			// redraw crosshair
+			var pos = crosshair.pos, mode = options.crosshair.mode;
+			if (mode != null && pos.x != -1) {
+				octx.strokeStyle = parseColor(options.crosshair.color).scale(null, null, null, 0.8).toString();
+				octx.lineWidth = 1;
+				ctx.lineJoin = "round";
+
+				octx.beginPath();
+				if (mode.indexOf("x") != -1) {
+					octx.moveTo(pos.x, 0);
+					octx.lineTo(pos.x, plotHeight);
+				}
+				if (mode.indexOf("y") != -1) {
+					octx.moveTo(0, pos.y);
+					octx.lineTo(plotWidth, pos.y);
+				}
+				octx.stroke();
+
+			}
+			octx.restore();
+		}
+
+		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 (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.x, y = point.y,
+				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 = parseColor(series.color).scale(1, 1, 1, 0.5).toString();
+			var radius = 1.5 * pointRadius;
+			octx.beginPath();
+			octx.arc(axisx.p2c(x), axisy.p2c(y), radius, 0, 2 * Math.PI, true);
+			octx.stroke();
+		}
+
+		function drawBarHighlight(series, point) {
+			octx.lineJoin = "round";
+			octx.lineWidth = series.bars.lineWidth;
+			octx.strokeStyle = parseColor(series.color).scale(1, 1, 1, 0.5).toString();
+			var fillStyle = parseColor(series.color).scale(1, 1, 1, 0.5).toString();
+			var barLeft = series.bars.align == "left" ? 0 : -series.bars.barWidth/2;
+			drawBar(point.x, point.y, barLeft, barLeft + series.bars.barWidth,
+					0, function () { return fillStyle; }, series.xaxis, series.yaxis, octx);
+		}
+
+		function setPositionFromEvent(pos, e) {
+			var offset = DOM.getXY(eventHolder[0]);
+			pos.x = clamp(0, e.pageX - offset[0] - plotOffset.left, plotWidth);
+			pos.y = clamp(0, e.pageY - offset[1] - plotOffset.top, plotHeight);
+		}
+
+		function setCrosshair(pos) {
+			if (pos == null)
+				crosshair.pos.x = -1;
+			else {
+				crosshair.pos.x = clamp(0, pos.x != null ? axes.xaxis.p2c(pos.x) : axes.x2axis.p2c(pos.x2), plotWidth);
+				crosshair.pos.y = clamp(0, pos.y != null ? axes.yaxis.p2c(pos.y) : axes.y2axis.p2c(pos.y2), plotHeight);
+			}
+			triggerRedrawOverlay();
+		}
+
+		function getSelectionForEvent() {
+			var x1 = Math.min(selection.first.x, selection.second.x),
+				x2 = Math.max(selection.first.x, selection.second.x),
+				y1 = Math.max(selection.first.y, selection.second.y),
+				y2 = Math.min(selection.first.y, selection.second.y);
+
+			var r = {};
+			if (axes.xaxis.used)
+				r.xaxis = { from: axes.xaxis.c2p(x1), to: axes.xaxis.c2p(x2) };
+			if (axes.x2axis.used)
+				r.x2axis = { from: axes.x2axis.c2p(x1), to: axes.x2axis.c2p(x2) };
+			if (axes.yaxis.used)
+				r.yaxis = { from: axes.yaxis.c2p(y1), to: axes.yaxis.c2p(y2) };
+			if (axes.y2axis.used)
+				r.y2axis = { from: axes.y2axis.c2p(y1), to: axes.y2axis.c2p(y2) };
+			return r;
+		}
+
+		function triggerSelectedEvent() {
+			var r = getSelectionForEvent();
+
+			plot.fireEvent("plotselected", r);
+		}
+
+		function onSelectionMouseUp(e) {
+			// revert drag stuff for old-school browsers
+			if (document.onselectstart !== undefined)
+				document.onselectstart = workarounds.onselectstart;
+			if (document.ondrag !== undefined)
+				document.ondrag = workarounds.ondrag;
+
+			// no more draggy-dee-drag
+			selection.active = false;
+			var mousePos = {pageX: E.getPageX(e), pageY: E.getPageY(e)};
+			updateSelection(mousePos);
+
+			if (selectionIsSane()) {
+				triggerSelectedEvent();
+				clickIsMouseUp = true;
+			}
+			else {
+				// this counts as a clear
+				plot.fireEvent("plotunselected", {});
+			}
+
+			E.removeListener(document, "mouseup", onSelectionMouseUp);
+			return false;
+		}
+
+		function setSelectionPos(pos, e) {
+			setPositionFromEvent(pos, e);
+
+			if (options.selection.mode == "y") {
+				if (pos == selection.first)
+					pos.x = 0;
+				else
+					pos.x = plotWidth;
+			}
+
+			if (options.selection.mode == "x") {
+				if (pos == selection.first)
+					pos.y = 0;
+				else
+					pos.y = plotHeight;
+			}
+		}
+
+		function updateSelection(pos) {
+			if (pos.pageX == null)
+				return;
+
+			setSelectionPos(selection.second, pos);
+			if (selectionIsSane()) {
+				selection.show = true;
+				triggerRedrawOverlay();
+			}
+			else
+				clearSelection(true);
+		}
+
+		function clearSelection(preventEvent) {
+			if (selection.show) {
+				selection.show = false;
+				triggerRedrawOverlay();
+				if (!preventEvent)
+					plot.fireEvent("plotunselected", {});
+			}
+		}
+
+		function setSelection(ranges, preventEvent) {
+			var range;
+
+			if (options.selection.mode == "y") {
+				selection.first.x = 0;
+				selection.second.x = plotWidth;
+			}
+			else {
+				range = extractRange(ranges, "x");
+
+				selection.first.x = range.axis.p2c(range.from);
+				selection.second.x = range.axis.p2c(range.to);
+			}
+
+			if (options.selection.mode == "x") {
+				selection.first.y = 0;
+				selection.second.y = plotHeight;
+			}
+			else {
+				range = extractRange(ranges, "y");
+
+				selection.first.y = range.axis.p2c(range.from);
+				selection.second.y = range.axis.p2c(range.to);
+			}
+
+			selection.show = true;
+			triggerRedrawOverlay();
+			if (!preventEvent)
+				triggerSelectedEvent();
+		}
+
+		function selectionIsSane() {
+			var minSize = 5;
+			return Math.abs(selection.second.x - selection.first.x) >= minSize &&
+				Math.abs(selection.second.y - selection.first.y) >= minSize;
+		}
+
+		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];
+					gradient.addColorStop(i / (l - 1), typeof c == "string" ? c : parseColor(defaultColor).scale(c.brightness, c.brightness, c.brightness, c.opacity));
+				}
+
+				return gradient;
+			}
+		}
+	}
+
+	L.augment(Plot, YAHOO.util.EventProvider);
+
+	YAHOO.widget.Flot = function(target, data, options) {
+		return new Plot(target, data, options);
+	};
+
+	// round to nearby lower multiple of base
+	function floorInBase(n, base) {
+		return base * Math.floor(n / base);
+	}
+
+	function clamp(min, value, max) {
+		if (value < min)
+			return min;
+		else if (value > max)
+			return max;
+		else
+			return value;
+	}
+
+	// color helpers, inspiration from the jquery color animation
+	// plugin by John Resig
+	function Color (r, g, b, a) {
+	   
+		var rgba = ['r','g','b','a'];
+		var x = 4; //rgba.length
+	   
+		while (-1<--x) {
+			this[rgba[x]] = arguments[x] || ((x==3) ? 1.0 : 0);
+		}
+	   
+		this.toString = function() {
+			if (this.a >= 1.0) {
+				return "rgb("+[this.r,this.g,this.b].join(",")+")";
+			} else {
+				return "rgba("+[this.r,this.g,this.b,this.a].join(",")+")";
+			}
+		};
+
+		this.scale = function(rf, gf, bf, af) {
+			x = 4; //rgba.length
+			while (-1<--x) {
+				if (arguments[x] != null)
+					this[rgba[x]] *= arguments[x];
+			}
+			return this.normalize();
+		};
+
+		this.adjust = function(rd, gd, bd, ad) {
+			x = 4; //rgba.length
+			while (-1<--x) {
+				if (arguments[x] != null)
+					this[rgba[x]] += arguments[x];
+			}
+			return this.normalize();
+		};
+
+		this.clone = function() {
+			return new Color(this.r, this.b, this.g, this.a);
+		};
+
+		var limit = function(val,minVal,maxVal) {
+			return Math.max(Math.min(val, maxVal), minVal);
+		};
+
+		this.normalize = function() {
+			this.r = clamp(0, parseInt(this.r, 10), 255);
+			this.g = clamp(0, parseInt(this.g, 10), 255);
+			this.b = clamp(0, parseInt(this.b, 10), 255);
+			this.a = clamp(0, this.a, 1);
+			return this;
+		};
+
+		this.normalize();
+	}
+
+	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]
+	};
+
+	function extractColor(element) {
+		var color, elem = element;
+		do {
+			color = DOM.getStyle(elem, 'backgroundColor').toLowerCase();
+			// keep going until we find an element that has color, or
+			// we hit the body
+			if (color != '' && color != 'transparent')
+				break;
+			elem = elem.parentNode;
+		} while (!elem.nodeName == "body");
+
+		// catch Safari's way of signalling transparent
+		if (color == "rgba(0, 0, 0, 0)")
+			return "transparent";
+
+		return color;
+	}
+
+	// parse string, returns Color
+	function parseColor(str) {
+		var result;
+
+		// Look for rgb(num,num,num)
+		if (result = /rgb\(\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*,\s*([0-9]{1,3})\s*\)/.exec(str))
+			return new Color(parseInt(result[1], 10), parseInt(result[2], 10), parseInt(result[3], 10));
+
+		// Look for rgba(num,num,num,num)
+		if (result = /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 new Color(parseInt(result[1], 10), parseInt(result[2], 10), parseInt(result[3], 10), parseFloat(result[4]));
+
+		// Look for rgb(num%,num%,num%)
+		if (result = /rgb\(\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*,\s*([0-9]+(?:\.[0-9]+)?)\%\s*\)/.exec(str))
+			return new Color(parseFloat(result[1])*2.55, parseFloat(result[2])*2.55, parseFloat(result[3])*2.55);
+
+		// Look for rgba(num%,num%,num%,num)
+		if (result = /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 new Color(parseFloat(result[1])*2.55, parseFloat(result[2])*2.55, parseFloat(result[3])*2.55, parseFloat(result[4]));
+
+		// Look for #a0b1c2
+		if (result = /#([a-fA-F0-9]{2})([a-fA-F0-9]{2})([a-fA-F0-9]{2})/.exec(str))
+			return new Color(parseInt(result[1], 16), parseInt(result[2], 16), parseInt(result[3], 16));
+
+		// Look for #fff
+		if (result = /#([a-fA-F0-9])([a-fA-F0-9])([a-fA-F0-9])/.exec(str))
+			return new Color(parseInt(result[1]+result[1], 16), parseInt(result[2]+result[2], 16), parseInt(result[3]+result[3], 16));
+
+		// Otherwise, we're most likely dealing with a named color
+		var name = L.trim(str).toLowerCase();
+		if (name == "transparent")
+			return new Color(255, 255, 255, 0);
+		else {
+			result = lookupColors[name];
+			return new Color(result[0], result[1], result[2]);
+		}
+	}
+
+})();