diff --git "a/src/arborator-draft/canvg.js" "b/src/arborator-draft/canvg.js"
new file mode 100644--- /dev/null
+++ "b/src/arborator-draft/canvg.js"
@@ -0,0 +1,3189 @@
+/*
+ * canvg.js - Javascript SVG parser and renderer on Canvas
+ * MIT Licensed
+ * Gabe Lerner (gabelerner@gmail.com)
+ * http://code.google.com/p/canvg/
+ *
+ * Requires: rgbcolor.js - http://www.phpied.com/rgb-color-parser-in-javascript/
+ */
+ (function ( global, factory ) {
+
+	'use strict';
+	// export as AMD...
+	if ( typeof define !== 'undefined' && define.amd ) {
+		define('canvgModule', [ 'rgbcolor', 'stackblur' ], factory );
+	}
+
+	// ...or as browserify
+	else if ( typeof module !== 'undefined' && module.exports ) {
+		module.exports = factory( require( 'rgbcolor' ), require( 'stackblur' ) );
+	}
+    else {
+	   global.canvg = factory( global.RGBColor, global.stackBlur );
+    }
+
+}( typeof window !== 'undefined' ? window : this, function ( RGBColor, stackBlur ) {
+	var nodeEnv = (typeof module !== 'undefined' && module.exports);
+    var windowEnv, ImageClass, CanvasClass,
+		defaultClientWidth = 800, defaultClientHeight = 600;
+	if (nodeEnv && (typeof window === 'undefined')) {
+		var jsdom = require('jsdom').jsdom;
+		windowEnv = jsdom().defaultView;
+	} else {
+        windowEnv = window;
+    }
+	if (!windowEnv.DOMParser) {
+		windowEnv.DOMParser = require('xmldom').DOMParser;
+	}
+
+	function createCanvas() {
+		var c;
+		if (nodeEnv) {
+			c = new CanvasClass();
+		} else {
+			c = document.createElement('canvas');
+		}
+		return c;
+	}
+
+	// canvg(target, s)
+	// empty parameters: replace all 'svg' elements on page with 'canvas' elements
+	// target: canvas element or the id of a canvas element
+	// s: svg string, url to svg file, or xml document
+	// opts: optional hash of options
+	//       ignoreMouse: true => ignore mouse events
+	//       ignoreAnimation: true => ignore animations
+	//       ignoreDimensions: true => does not try to resize canvas
+	//       ignoreClear: true => does not clear canvas
+	//       offsetX: int => draws at a x offset
+	//       offsetY: int => draws at a y offset
+	//       scaleWidth: int => scales horizontally to width
+	//       scaleHeight: int => scales vertically to height
+	//       renderCallback: function => will call the function after the first render is completed
+	//       enableRedraw: function => whether enable the redraw interval in node environment
+	//       forceRedraw: function => will call the function on every frame, if it returns true, will redraw
+	var canvg = function (target, s, opts) {
+		// no parameters
+		if (target == null && s == null && opts == null) {
+			var svgTags = document.querySelectorAll('svg');
+			for (var i=0; i<svgTags.length; i++) {
+				var svgTag = svgTags[i];
+				var c = document.createElement('canvas');
+				c.width = svgTag.clientWidth;
+				c.height = svgTag.clientHeight;
+				svgTag.parentNode.insertBefore(c, svgTag);
+				svgTag.parentNode.removeChild(svgTag);
+				var div = document.createElement('div');
+				div.appendChild(svgTag);
+				canvg(c, div.innerHTML);
+			}
+			return;
+		}
+
+		var svg = build(opts || {});
+		if (nodeEnv) {
+			if (!s || s === '') {
+				return;
+			}
+			ImageClass = opts['ImageClass'];
+			CanvasClass = target.constructor;
+			//only support svg string in node env.
+			svg.loadXml(target.getContext('2d'), s);
+			return;
+		}
+
+		if (typeof target == 'string') {
+			target = document.getElementById(target);
+		}
+
+		// store class on canvas
+		if (target.svg != null) target.svg.stop();
+
+		// on i.e. 8 for flash canvas, we can't assign the property so check for it
+		if (!(target.childNodes && target.childNodes.length == 1 && target.childNodes[0].nodeName == 'OBJECT')) target.svg = svg;
+
+		var ctx = target.getContext('2d');
+
+		if (typeof s.documentElement != 'undefined') {
+			// load from xml doc
+			svg.loadXmlDoc(ctx, s);
+		}
+		else if (s.substr(0,1) == '<') {
+			// load from xml string
+			svg.loadXml(ctx, s);
+		}
+		else {
+			// load from url
+			svg.load(ctx, s);
+		}
+	}
+
+	var matchesSelector;
+	if (nodeEnv) {
+		//Now only used to decide whether the node has the class names specified by selector,
+		//Add this implementation to avoid compatibility issues in node env.
+		matchesSelector = function(node, selector) {
+			var styleClasses = node.getAttribute('class');
+			if (!styleClasses || styleClasses === '') {
+				return false;
+			}
+			styleClasses = styleClasses.split(' ');
+			for (var i = 0; i < styleClasses.length; i++) {
+				if ('.'+styleClasses[i] === selector) {
+					return true;
+				}
+			}
+			return false;
+		};
+	} else {
+		// see https://developer.mozilla.org/en-US/docs/Web/API/Element.matches
+		if (typeof Element == 'undefined') {
+			// We include this test, as otherwise IE7 will throw an error simply by
+			// including this file, as it does not support the Element object.
+		} else if (typeof Element.prototype.matches != 'undefined') {
+			matchesSelector = function(node, selector) {
+				return node.matches(selector);
+			};
+		} else if (typeof Element.prototype.webkitMatchesSelector != 'undefined') {
+			matchesSelector = function(node, selector) {
+				return node.webkitMatchesSelector(selector);
+			};
+		} else if (typeof Element.prototype.mozMatchesSelector != 'undefined') {
+			matchesSelector = function(node, selector) {
+				return node.mozMatchesSelector(selector);
+			};
+		} else if (typeof Element.prototype.msMatchesSelector != 'undefined') {
+			matchesSelector = function(node, selector) {
+				return node.msMatchesSelector(selector);
+			};
+		} else if (typeof Element.prototype.oMatchesSelector != 'undefined') {
+			matchesSelector = function(node, selector) {
+				return node.oMatchesSelector(selector);
+			};
+		} else {
+			// requires Sizzle: https://github.com/jquery/sizzle/wiki/Sizzle-Documentation
+			// or jQuery: http://jquery.com/download/
+			// or Zepto: http://zeptojs.com/#
+			// without it, this is a ReferenceError
+
+			if (typeof jQuery === 'function' || typeof Zepto === 'function') {
+				matchesSelector = function (node, selector) {
+					return $(node).is(selector);
+				};
+			}
+
+			if (typeof matchesSelector === 'undefined' && typeof Sizzle !== 'undefined') {
+				matchesSelector = Sizzle.matchesSelector;
+			}
+		}
+	}
+
+
+
+	// slightly modified version of https://github.com/keeganstreet/specificity/blob/master/specificity.js
+	var attributeRegex = /(\[[^\]]+\])/g;
+	var idRegex = /(#[^\s\+>~\.\[:]+)/g;
+	var classRegex = /(\.[^\s\+>~\.\[:]+)/g;
+	var pseudoElementRegex = /(::[^\s\+>~\.\[:]+|:first-line|:first-letter|:before|:after)/gi;
+	var pseudoClassWithBracketsRegex = /(:[\w-]+\([^\)]*\))/gi;
+	var pseudoClassRegex = /(:[^\s\+>~\.\[:]+)/g;
+	var elementRegex = /([^\s\+>~\.\[:]+)/g;
+	function getSelectorSpecificity(selector) {
+		var typeCount = [0, 0, 0];
+		var findMatch = function(regex, type) {
+			var matches = selector.match(regex);
+			if (matches == null) {
+				return;
+			}
+			typeCount[type] += matches.length;
+			selector = selector.replace(regex, ' ');
+		};
+
+		selector = selector.replace(/:not\(([^\)]*)\)/g, '     $1 ');
+		selector = selector.replace(/{[\s\S]*/gm, ' ');
+		findMatch(attributeRegex, 1);
+		findMatch(idRegex, 0);
+		findMatch(classRegex, 1);
+		findMatch(pseudoElementRegex, 2);
+		findMatch(pseudoClassWithBracketsRegex, 1);
+		findMatch(pseudoClassRegex, 1);
+		selector = selector.replace(/[\*\s\+>~]/g, ' ');
+		selector = selector.replace(/[#\.]/g, ' ');
+		findMatch(elementRegex, 2);
+		return typeCount.join('');
+	}
+
+	function build(opts) {
+		var svg = { opts: opts };
+
+		svg.FRAMERATE = 30;
+		svg.MAX_VIRTUAL_PIXELS = 30000;
+
+		svg.log = function(msg) {};
+		if (svg.opts['log'] == true && typeof console != 'undefined') {
+			svg.log = function(msg) { console.log(msg); };
+		};
+
+		// globals
+		svg.init = function(ctx) {
+			var uniqueId = 0;
+			svg.UniqueId = function () { uniqueId++; return 'canvg' + uniqueId; };
+			svg.Definitions = {};
+			svg.Styles = {};
+			svg.StylesSpecificity = {};
+			svg.Animations = [];
+			svg.Images = [];
+			svg.ctx = ctx;
+			svg.ViewPort = new (function () {
+
+				this.viewPorts = [];
+				this.Clear = function() { this.viewPorts = []; }
+				this.SetCurrent = function(width, height) { this.viewPorts.push({ width: width, height: height }); }
+				this.RemoveCurrent = function() { this.viewPorts.pop(); }
+				this.Current = function() { return this.viewPorts[this.viewPorts.length - 1]; }
+				this.width = function() { return this.Current().width; }
+				this.height = function() { return this.Current().height; }
+				this.ComputeSize = function(d) {
+					if (d != null && typeof d == 'number') return d;
+					if (d == 'x') return this.width();
+					if (d == 'y') return this.height();
+					return Math.sqrt(Math.pow(this.width(), 2) + Math.pow(this.height(), 2)) / Math.sqrt(2);
+				}
+			});
+		}
+		svg.init();
+
+		// images loaded
+		svg.ImagesLoaded = function() {
+			for (var i=0; i<svg.Images.length; i++) {
+				if (!svg.Images[i].loaded) return false;
+			}
+			return true;
+		}
+
+		// trim
+		svg.trim = function(s) { return s.replace(/^\s+|\s+$/g, ''); }
+
+		// compress spaces
+		svg.compressSpaces = function(s) { return s.replace(/[\s\r\t\n]+/gm,' '); }
+
+		// ajax
+		svg.ajax = function(url) {
+			if (nodeEnv) {return null;}
+			var AJAX;
+			if(windowEnv.XMLHttpRequest){AJAX=new windowEnv.XMLHttpRequest();}
+			else{AJAX=new ActiveXObject('Microsoft.XMLHTTP');}
+			if(AJAX){
+			   AJAX.open('GET',url,false);
+			   AJAX.send(null);
+			   return AJAX.responseText;
+			}
+			return null;
+		}
+
+		// parse xml
+		svg.parseXml = function(xml) {
+			if (typeof Windows != 'undefined' && typeof Windows.Data != 'undefined' && typeof Windows.Data.Xml != 'undefined') {
+				var xmlDoc = new Windows.Data.Xml.Dom.XmlDocument();
+				var settings = new Windows.Data.Xml.Dom.XmlLoadSettings();
+				settings.prohibitDtd = false;
+				xmlDoc.loadXml(xml, settings);
+				return xmlDoc;
+			}
+			else if (windowEnv.DOMParser)
+			{
+				try {
+					var parser = new windowEnv.DOMParser();
+					return parser.parseFromString(xml, 'image/svg+xml');
+				}
+				catch(e){
+					parser = new windowEnv.DOMParser();
+					return parser.parseFromString(xml, 'text/xml');
+				}
+			}
+			else
+			{
+				xml = xml.replace(/<!DOCTYPE svg[^>]*>/, '');
+				var xmlDoc = new ActiveXObject('Microsoft.XMLDOM');
+				xmlDoc.async = 'false';
+				xmlDoc.loadXML(xml);
+				return xmlDoc;
+			}
+		}
+
+		svg.Property = function(name, value) {
+			this.name = name;
+			this.value = value;
+		}
+			svg.Property.prototype.getValue = function() {
+				return this.value;
+			}
+
+			svg.Property.prototype.hasValue = function() {
+				return (this.value != null && this.value !== '');
+			}
+
+			// return the numerical value of the property
+			svg.Property.prototype.numValue = function() {
+				if (!this.hasValue()) return 0;
+
+				var n = parseFloat(this.value);
+				if ((this.value + '').match(/%$/)) {
+					n = n / 100.0;
+				}
+				return n;
+			}
+
+			svg.Property.prototype.valueOrDefault = function(def) {
+				if (this.hasValue()) return this.value;
+				return def;
+			}
+
+			svg.Property.prototype.numValueOrDefault = function(def) {
+				if (this.hasValue()) return this.numValue();
+				return def;
+			}
+
+			// color extensions
+				// augment the current color value with the opacity
+				svg.Property.prototype.addOpacity = function(opacityProp) {
+					var newValue = this.value;
+					if (opacityProp.value != null && opacityProp.value != '' && typeof this.value == 'string') { // can only add opacity to colors, not patterns
+						var color = new RGBColor(this.value);
+						if (color.ok) {
+							newValue = 'rgba(' + color.r + ', ' + color.g + ', ' + color.b + ', ' + opacityProp.numValue() + ')';
+						}
+					}
+					return new svg.Property(this.name, newValue);
+				}
+
+			// definition extensions
+				// get the definition from the definitions table
+				svg.Property.prototype.getDefinition = function() {
+					var name = this.value.match(/#([^\)'"]+)/);
+					if (name) { name = name[1]; }
+					if (!name) { name = this.value; }
+					return svg.Definitions[name];
+				}
+
+				svg.Property.prototype.isUrlDefinition = function() {
+					return this.value.indexOf('url(') == 0
+				}
+
+				svg.Property.prototype.getFillStyleDefinition = function(e, opacityProp) {
+					var def = this.getDefinition();
+
+					// gradient
+					if (def != null && def.createGradient) {
+						return def.createGradient(svg.ctx, e, opacityProp);
+					}
+
+					// pattern
+					if (def != null && def.createPattern) {
+						if (def.getHrefAttribute().hasValue()) {
+							var pt = def.attribute('patternTransform');
+							def = def.getHrefAttribute().getDefinition();
+							if (pt.hasValue()) { def.attribute('patternTransform', true).value = pt.value; }
+						}
+						return def.createPattern(svg.ctx, e);
+					}
+
+					return null;
+				}
+
+			// length extensions
+				svg.Property.prototype.getDPI = function(viewPort) {
+					return 96.0; // TODO: compute?
+				}
+
+				svg.Property.prototype.getEM = function(viewPort) {
+					var em = 12;
+
+					var fontSize = new svg.Property('fontSize', svg.Font.Parse(svg.ctx.font).fontSize);
+					if (fontSize.hasValue()) em = fontSize.toPixels(viewPort);
+
+					return em;
+				}
+
+				svg.Property.prototype.getUnits = function() {
+					var s = this.value+'';
+					return s.replace(/[0-9\.\-]/g,'');
+				}
+
+				// get the length as pixels
+				svg.Property.prototype.toPixels = function(viewPort, processPercent) {
+					if (!this.hasValue()) return 0;
+					var s = this.value+'';
+					if (s.match(/em$/)) return this.numValue() * this.getEM(viewPort);
+					if (s.match(/ex$/)) return this.numValue() * this.getEM(viewPort) / 2.0;
+					if (s.match(/px$/)) return this.numValue();
+					if (s.match(/pt$/)) return this.numValue() * this.getDPI(viewPort) * (1.0 / 72.0);
+					if (s.match(/pc$/)) return this.numValue() * 15;
+					if (s.match(/cm$/)) return this.numValue() * this.getDPI(viewPort) / 2.54;
+					if (s.match(/mm$/)) return this.numValue() * this.getDPI(viewPort) / 25.4;
+					if (s.match(/in$/)) return this.numValue() * this.getDPI(viewPort);
+					if (s.match(/%$/)) return this.numValue() * svg.ViewPort.ComputeSize(viewPort);
+					var n = this.numValue();
+					if (processPercent && n < 1.0) return n * svg.ViewPort.ComputeSize(viewPort);
+					return n;
+				}
+
+			// time extensions
+				// get the time as milliseconds
+				svg.Property.prototype.toMilliseconds = function() {
+					if (!this.hasValue()) return 0;
+					var s = this.value+'';
+					if (s.match(/s$/)) return this.numValue() * 1000;
+					if (s.match(/ms$/)) return this.numValue();
+					return this.numValue();
+				}
+
+			// angle extensions
+				// get the angle as radians
+				svg.Property.prototype.toRadians = function() {
+					if (!this.hasValue()) return 0;
+					var s = this.value+'';
+					if (s.match(/deg$/)) return this.numValue() * (Math.PI / 180.0);
+					if (s.match(/grad$/)) return this.numValue() * (Math.PI / 200.0);
+					if (s.match(/rad$/)) return this.numValue();
+					return this.numValue() * (Math.PI / 180.0);
+				}
+
+			// text extensions
+				// get the text baseline
+				var textBaselineMapping = {
+					'baseline': 'alphabetic',
+					'before-edge': 'top',
+					'text-before-edge': 'top',
+					'middle': 'middle',
+					'central': 'middle',
+					'after-edge': 'bottom',
+					'text-after-edge': 'bottom',
+					'ideographic': 'ideographic',
+					'alphabetic': 'alphabetic',
+					'hanging': 'hanging',
+					'mathematical': 'alphabetic'
+				};
+				svg.Property.prototype.toTextBaseline = function () {
+					if (!this.hasValue()) return null;
+					return textBaselineMapping[this.value];
+				}
+
+		// fonts
+		svg.Font = new (function() {
+			this.Styles = 'normal|italic|oblique|inherit';
+			this.Variants = 'normal|small-caps|inherit';
+			this.Weights = 'normal|bold|bolder|lighter|100|200|300|400|500|600|700|800|900|inherit';
+
+			this.CreateFont = function(fontStyle, fontVariant, fontWeight, fontSize, fontFamily, inherit) {
+				var f = inherit != null ? this.Parse(inherit) : this.CreateFont('', '', '', '', '', svg.ctx.font);
+				var fontFamily = fontFamily || f.fontFamily;
+				if (fontFamily) {
+					var trimed = fontFamily.trim();
+					if (trimed[0] !== '"' && trimed.indexOf(' ') > 0) {
+						fontFamily = '"' + trimed + '"';
+					}
+				}
+				return {
+					fontFamily: fontFamily,
+					fontSize: fontSize || f.fontSize,
+					fontStyle: fontStyle || f.fontStyle,
+					fontWeight: fontWeight || f.fontWeight,
+					fontVariant: fontVariant || f.fontVariant,
+					toString: function () { return [this.fontStyle, this.fontVariant, this.fontWeight, this.fontSize, this.fontFamily].join(' ') }
+				}
+			}
+
+			var that = this;
+			this.Parse = function(s) {
+				var f = {};
+				var d = svg.trim(svg.compressSpaces(s || '')).split(' ');
+				var set = { fontSize: false, fontStyle: false, fontWeight: false, fontVariant: false }
+				var ff = '';
+				for (var i=0; i<d.length; i++) {
+					if (!set.fontStyle && that.Styles.indexOf(d[i]) != -1) { if (d[i] != 'inherit') f.fontStyle = d[i]; set.fontStyle = true; }
+					else if (!set.fontVariant && that.Variants.indexOf(d[i]) != -1) { if (d[i] != 'inherit') f.fontVariant = d[i]; set.fontStyle = set.fontVariant = true;  }
+					else if (!set.fontWeight && that.Weights.indexOf(d[i]) != -1) { if (d[i] != 'inherit') f.fontWeight = d[i]; set.fontStyle = set.fontVariant = set.fontWeight = true; }
+					else if (!set.fontSize) { if (d[i] != 'inherit') f.fontSize = d[i].split('/')[0]; set.fontStyle = set.fontVariant = set.fontWeight = set.fontSize = true; }
+					else { if (d[i] != 'inherit') ff += d[i]; }
+				} if (ff != '') f.fontFamily = ff;
+				return f;
+			}
+		});
+
+		// points and paths
+		svg.ToNumberArray = function(s) {
+			var a = svg.trim(svg.compressSpaces((s || '').replace(/,/g, ' '))).split(' ');
+			for (var i=0; i<a.length; i++) {
+				a[i] = parseFloat(a[i]);
+			}
+			return a;
+		}
+		svg.Point = function(x, y) {
+			this.x = x;
+			this.y = y;
+		}
+			svg.Point.prototype.angleTo = function(p) {
+				return Math.atan2(p.y - this.y, p.x - this.x);
+			}
+
+			svg.Point.prototype.applyTransform = function(v) {
+				var xp = this.x * v[0] + this.y * v[2] + v[4];
+				var yp = this.x * v[1] + this.y * v[3] + v[5];
+				this.x = xp;
+				this.y = yp;
+			}
+
+		svg.CreatePoint = function(s) {
+			var a = svg.ToNumberArray(s);
+			return new svg.Point(a[0], a[1]);
+		}
+		svg.CreatePath = function(s) {
+			var a = svg.ToNumberArray(s);
+			var path = [];
+			for (var i=0; i<a.length; i+=2) {
+				path.push(new svg.Point(a[i], a[i+1]));
+			}
+			return path;
+		}
+
+		// bounding box
+		svg.BoundingBox = function(x1, y1, x2, y2) { // pass in initial points if you want
+			this.x1 = Number.NaN;
+			this.y1 = Number.NaN;
+			this.x2 = Number.NaN;
+			this.y2 = Number.NaN;
+
+			this.x = function() { return this.x1; }
+			this.y = function() { return this.y1; }
+			this.width = function() { return this.x2 - this.x1; }
+			this.height = function() { return this.y2 - this.y1; }
+
+			this.addPoint = function(x, y) {
+				if (x != null) {
+					if (isNaN(this.x1) || isNaN(this.x2)) {
+						this.x1 = x;
+						this.x2 = x;
+					}
+					if (x < this.x1) this.x1 = x;
+					if (x > this.x2) this.x2 = x;
+				}
+
+				if (y != null) {
+					if (isNaN(this.y1) || isNaN(this.y2)) {
+						this.y1 = y;
+						this.y2 = y;
+					}
+					if (y < this.y1) this.y1 = y;
+					if (y > this.y2) this.y2 = y;
+				}
+			}
+			this.addX = function(x) { this.addPoint(x, null); }
+			this.addY = function(y) { this.addPoint(null, y); }
+
+			this.addBoundingBox = function(bb) {
+				this.addPoint(bb.x1, bb.y1);
+				this.addPoint(bb.x2, bb.y2);
+			}
+
+			this.addQuadraticCurve = function(p0x, p0y, p1x, p1y, p2x, p2y) {
+				var cp1x = p0x + 2/3 * (p1x - p0x); // CP1 = QP0 + 2/3 *(QP1-QP0)
+				var cp1y = p0y + 2/3 * (p1y - p0y); // CP1 = QP0 + 2/3 *(QP1-QP0)
+				var cp2x = cp1x + 1/3 * (p2x - p0x); // CP2 = CP1 + 1/3 *(QP2-QP0)
+				var cp2y = cp1y + 1/3 * (p2y - p0y); // CP2 = CP1 + 1/3 *(QP2-QP0)
+				this.addBezierCurve(p0x, p0y, cp1x, cp2x, cp1y, cp2y, p2x, p2y);
+			}
+
+			this.addBezierCurve = function(p0x, p0y, p1x, p1y, p2x, p2y, p3x, p3y) {
+				// from http://blog.hackers-cafe.net/2009/06/how-to-calculate-bezier-curves-bounding.html
+				var p0 = [p0x, p0y], p1 = [p1x, p1y], p2 = [p2x, p2y], p3 = [p3x, p3y];
+				this.addPoint(p0[0], p0[1]);
+				this.addPoint(p3[0], p3[1]);
+
+				for (var i=0; i<=1; i++) {
+					var f = function(t) {
+						return Math.pow(1-t, 3) * p0[i]
+						+ 3 * Math.pow(1-t, 2) * t * p1[i]
+						+ 3 * (1-t) * Math.pow(t, 2) * p2[i]
+						+ Math.pow(t, 3) * p3[i];
+					}
+
+					var b = 6 * p0[i] - 12 * p1[i] + 6 * p2[i];
+					var a = -3 * p0[i] + 9 * p1[i] - 9 * p2[i] + 3 * p3[i];
+					var c = 3 * p1[i] - 3 * p0[i];
+
+					if (a == 0) {
+						if (b == 0) continue;
+						var t = -c / b;
+						if (0 < t && t < 1) {
+							if (i == 0) this.addX(f(t));
+							if (i == 1) this.addY(f(t));
+						}
+						continue;
+					}
+
+					var b2ac = Math.pow(b, 2) - 4 * c * a;
+					if (b2ac < 0) continue;
+					var t1 = (-b + Math.sqrt(b2ac)) / (2 * a);
+					if (0 < t1 && t1 < 1) {
+						if (i == 0) this.addX(f(t1));
+						if (i == 1) this.addY(f(t1));
+					}
+					var t2 = (-b - Math.sqrt(b2ac)) / (2 * a);
+					if (0 < t2 && t2 < 1) {
+						if (i == 0) this.addX(f(t2));
+						if (i == 1) this.addY(f(t2));
+					}
+				}
+			}
+
+			this.isPointInBox = function(x, y) {
+				return (this.x1 <= x && x <= this.x2 && this.y1 <= y && y <= this.y2);
+			}
+
+			this.addPoint(x1, y1);
+			this.addPoint(x2, y2);
+		}
+
+		// transforms
+		svg.Transform = function(v) {
+			var that = this;
+			this.Type = {}
+
+			// translate
+			this.Type.translate = function(s) {
+				this.p = svg.CreatePoint(s);
+				this.apply = function(ctx) {
+					ctx.translate(this.p.x || 0.0, this.p.y || 0.0);
+				}
+				this.unapply = function(ctx) {
+					ctx.translate(-1.0 * this.p.x || 0.0, -1.0 * this.p.y || 0.0);
+				}
+				this.applyToPoint = function(p) {
+					p.applyTransform([1, 0, 0, 1, this.p.x || 0.0, this.p.y || 0.0]);
+				}
+			}
+
+			// rotate
+			this.Type.rotate = function(s) {
+				var a = svg.ToNumberArray(s);
+				this.angle = new svg.Property('angle', a[0]);
+				this.cx = a[1] || 0;
+				this.cy = a[2] || 0;
+				this.apply = function(ctx) {
+					ctx.translate(this.cx, this.cy);
+					ctx.rotate(this.angle.toRadians());
+					ctx.translate(-this.cx, -this.cy);
+				}
+				this.unapply = function(ctx) {
+					ctx.translate(this.cx, this.cy);
+					ctx.rotate(-1.0 * this.angle.toRadians());
+					ctx.translate(-this.cx, -this.cy);
+				}
+				this.applyToPoint = function(p) {
+					var a = this.angle.toRadians();
+					p.applyTransform([1, 0, 0, 1, this.p.x || 0.0, this.p.y || 0.0]);
+					p.applyTransform([Math.cos(a), Math.sin(a), -Math.sin(a), Math.cos(a), 0, 0]);
+					p.applyTransform([1, 0, 0, 1, -this.p.x || 0.0, -this.p.y || 0.0]);
+				}
+			}
+
+			this.Type.scale = function(s) {
+				this.p = svg.CreatePoint(s);
+				this.apply = function(ctx) {
+					ctx.scale(this.p.x || 1.0, this.p.y || this.p.x || 1.0);
+				}
+				this.unapply = function(ctx) {
+					ctx.scale(1.0 / this.p.x || 1.0, 1.0 / this.p.y || this.p.x || 1.0);
+				}
+				this.applyToPoint = function(p) {
+					p.applyTransform([this.p.x || 0.0, 0, 0, this.p.y || 0.0, 0, 0]);
+				}
+			}
+
+			this.Type.matrix = function(s) {
+				this.m = svg.ToNumberArray(s);
+				this.apply = function(ctx) {
+					ctx.transform(this.m[0], this.m[1], this.m[2], this.m[3], this.m[4], this.m[5]);
+				}
+				this.unapply = function(ctx) {
+					var a = this.m[0];
+					var b = this.m[2];
+					var c = this.m[4];
+					var d = this.m[1];
+					var e = this.m[3];
+					var f = this.m[5];
+					var g = 0.0;
+					var h = 0.0;
+					var i = 1.0;
+					var det = 1 / (a*(e*i-f*h)-b*(d*i-f*g)+c*(d*h-e*g));
+					ctx.transform(
+						det*(e*i-f*h),
+						det*(f*g-d*i),
+						det*(c*h-b*i),
+						det*(a*i-c*g),
+						det*(b*f-c*e),
+						det*(c*d-a*f)
+					);
+				}
+				this.applyToPoint = function(p) {
+					p.applyTransform(this.m);
+				}
+			}
+
+			this.Type.SkewBase = function(s) {
+				this.base = that.Type.matrix;
+				this.base(s);
+				this.angle = new svg.Property('angle', s);
+			}
+			this.Type.SkewBase.prototype = new this.Type.matrix;
+
+			this.Type.skewX = function(s) {
+				this.base = that.Type.SkewBase;
+				this.base(s);
+				this.m = [1, 0, Math.tan(this.angle.toRadians()), 1, 0, 0];
+			}
+			this.Type.skewX.prototype = new this.Type.SkewBase;
+
+			this.Type.skewY = function(s) {
+				this.base = that.Type.SkewBase;
+				this.base(s);
+				this.m = [1, Math.tan(this.angle.toRadians()), 0, 1, 0, 0];
+			}
+			this.Type.skewY.prototype = new this.Type.SkewBase;
+
+			this.transforms = [];
+
+			this.apply = function(ctx) {
+				for (var i=0; i<this.transforms.length; i++) {
+					this.transforms[i].apply(ctx);
+				}
+			}
+
+			this.unapply = function(ctx) {
+				for (var i=this.transforms.length-1; i>=0; i--) {
+					this.transforms[i].unapply(ctx);
+				}
+			}
+
+			this.applyToPoint = function(p) {
+				for (var i=0; i<this.transforms.length; i++) {
+					this.transforms[i].applyToPoint(p);
+				}
+			}
+
+			var data = svg.trim(svg.compressSpaces(v)).replace(/\)([a-zA-Z])/g, ') $1').replace(/\)(\s?,\s?)/g,') ').split(/\s(?=[a-z])/);
+			for (var i=0; i<data.length; i++) {
+				var type = svg.trim(data[i].split('(')[0]);
+				var s = data[i].split('(')[1].replace(')','');
+				var transformType = this.Type[type];
+				if (typeof transformType != 'undefined') {
+					var transform = new transformType(s);
+					transform.type = type;
+					this.transforms.push(transform);
+				}
+			}
+		}
+
+		// aspect ratio
+		svg.AspectRatio = function(ctx, aspectRatio, width, desiredWidth, height, desiredHeight, minX, minY, refX, refY) {
+			// aspect ratio - http://www.w3.org/TR/SVG/coords.html#PreserveAspectRatioAttribute
+			aspectRatio = svg.compressSpaces(aspectRatio);
+			aspectRatio = aspectRatio.replace(/^defer\s/,''); // ignore defer
+			var align = aspectRatio.split(' ')[0] || 'xMidYMid';
+			var meetOrSlice = aspectRatio.split(' ')[1] || 'meet';
+
+			// calculate scale
+			var scaleX = width / desiredWidth;
+			var scaleY = height / desiredHeight;
+			var scaleMin = Math.min(scaleX, scaleY);
+			var scaleMax = Math.max(scaleX, scaleY);
+			if (meetOrSlice == 'meet') { desiredWidth *= scaleMin; desiredHeight *= scaleMin; }
+			if (meetOrSlice == 'slice') { desiredWidth *= scaleMax; desiredHeight *= scaleMax; }
+
+			refX = new svg.Property('refX', refX);
+			refY = new svg.Property('refY', refY);
+			if (refX.hasValue() && refY.hasValue()) {
+				ctx.translate(-scaleMin * refX.toPixels('x'), -scaleMin * refY.toPixels('y'));
+			}
+			else {
+				// align
+				if (align.match(/^xMid/) && ((meetOrSlice == 'meet' && scaleMin == scaleY) || (meetOrSlice == 'slice' && scaleMax == scaleY))) ctx.translate(width / 2.0 - desiredWidth / 2.0, 0);
+				if (align.match(/YMid$/) && ((meetOrSlice == 'meet' && scaleMin == scaleX) || (meetOrSlice == 'slice' && scaleMax == scaleX))) ctx.translate(0, height / 2.0 - desiredHeight / 2.0);
+				if (align.match(/^xMax/) && ((meetOrSlice == 'meet' && scaleMin == scaleY) || (meetOrSlice == 'slice' && scaleMax == scaleY))) ctx.translate(width - desiredWidth, 0);
+				if (align.match(/YMax$/) && ((meetOrSlice == 'meet' && scaleMin == scaleX) || (meetOrSlice == 'slice' && scaleMax == scaleX))) ctx.translate(0, height - desiredHeight);
+			}
+
+			// scale
+			if (align == 'none') ctx.scale(scaleX, scaleY);
+			else if (meetOrSlice == 'meet') ctx.scale(scaleMin, scaleMin);
+			else if (meetOrSlice == 'slice') ctx.scale(scaleMax, scaleMax);
+
+			// translate
+			ctx.translate(minX == null ? 0 : -minX, minY == null ? 0 : -minY);
+		}
+
+		// elements
+		svg.Element = {}
+
+		svg.EmptyProperty = new svg.Property('EMPTY', '');
+
+		svg.Element.ElementBase = function(node) {
+			this.attributes = {};
+			this.styles = {};
+			this.stylesSpecificity = {};
+			this.children = [];
+
+			// get or create attribute
+			this.attribute = function(name, createIfNotExists) {
+				var a = this.attributes[name];
+				if (a != null) return a;
+
+				if (createIfNotExists == true) { a = new svg.Property(name, ''); this.attributes[name] = a; }
+				return a || svg.EmptyProperty;
+			}
+
+			this.getHrefAttribute = function() {
+				for (var a in this.attributes) {
+					if (a == 'href' || a.match(/:href$/)) {
+						return this.attributes[a];
+					}
+				}
+				return svg.EmptyProperty;
+			}
+
+			// get or create style, crawls up node tree
+			this.style = function(name, createIfNotExists, skipAncestors) {
+				var s = this.styles[name];
+				if (s != null) return s;
+
+				var a = this.attribute(name);
+				if (a != null && a.hasValue()) {
+					this.styles[name] = a; // move up to me to cache
+					return a;
+				}
+
+				if (skipAncestors != true) {
+					var p = this.parent;
+					if (p != null) {
+						var ps = p.style(name);
+						if (ps != null && ps.hasValue()) {
+							return ps;
+						}
+					}
+				}
+
+				if (createIfNotExists == true) { s = new svg.Property(name, ''); this.styles[name] = s; }
+				return s || svg.EmptyProperty;
+			}
+
+			// base render
+			this.render = function(ctx) {
+				// don't render display=none
+				if (this.style('display').value == 'none') return;
+
+				// don't render visibility=hidden
+				if (this.style('visibility').value == 'hidden') return;
+
+				ctx.save();
+				if (this.style('mask').hasValue()) { // mask
+					var mask = this.style('mask').getDefinition();
+					if (mask != null) mask.apply(ctx, this);
+				}
+				else if (this.style('filter').hasValue()) { // filter
+					var filter = this.style('filter').getDefinition();
+					if (filter != null) filter.apply(ctx, this);
+				}
+				else {
+					this.setContext(ctx);
+					this.renderChildren(ctx);
+					this.clearContext(ctx);
+				}
+				ctx.restore();
+			}
+
+			// base set context
+			this.setContext = function(ctx) {
+				// OVERRIDE ME!
+			}
+
+			// base clear context
+			this.clearContext = function(ctx) {
+				// OVERRIDE ME!
+			}
+
+			// base render children
+			this.renderChildren = function(ctx) {
+				for (var i=0; i<this.children.length; i++) {
+					this.children[i].render(ctx);
+				}
+			}
+
+			this.addChild = function(childNode, create) {
+				var child = childNode;
+				if (create) child = svg.CreateElement(childNode);
+				child.parent = this;
+				if (child.type != 'title') { this.children.push(child); }
+			}
+
+			this.addStylesFromStyleDefinition = function () {
+				// add styles
+				for (var selector in svg.Styles) {
+					if (selector[0] != '@' && matchesSelector(node, selector)) {
+						var styles = svg.Styles[selector];
+						var specificity = svg.StylesSpecificity[selector];
+						if (styles != null) {
+							for (var name in styles) {
+								var existingSpecificity = this.stylesSpecificity[name];
+								if (typeof existingSpecificity == 'undefined') {
+									existingSpecificity = '000';
+								}
+								if (specificity > existingSpecificity) {
+									this.styles[name] = styles[name];
+									this.stylesSpecificity[name] = specificity;
+								}
+							}
+						}
+					}
+				}
+			};
+
+			// Microsoft Edge fix
+			var allUppercase = new RegExp("^[A-Z\-]+$");
+			var normalizeAttributeName = function (name) {
+				if (allUppercase.test(name)) {
+					return name.toLowerCase();
+				}
+				return name;
+			};
+
+			if (node != null && node.nodeType == 1) { //ELEMENT_NODE
+				// add attributes
+				for (var i=0; i<node.attributes.length; i++) {
+					var attribute = node.attributes[i];
+					var nodeName = normalizeAttributeName(attribute.nodeName);
+					this.attributes[nodeName] = new svg.Property(nodeName, attribute.value);
+				}
+
+				this.addStylesFromStyleDefinition();
+
+				// add inline styles
+				if (this.attribute('style').hasValue()) {
+					var styles = this.attribute('style').value.split(';');
+					for (var i=0; i<styles.length; i++) {
+						if (svg.trim(styles[i]) != '') {
+							var style = styles[i].split(':');
+							var name = svg.trim(style[0]);
+							var value = svg.trim(style[1]);
+							this.styles[name] = new svg.Property(name, value);
+						}
+					}
+				}
+
+				// add id
+				if (this.attribute('id').hasValue()) {
+					if (svg.Definitions[this.attribute('id').value] == null) {
+						svg.Definitions[this.attribute('id').value] = this;
+					}
+				}
+
+				// add children
+				for (var i=0; i<node.childNodes.length; i++) {
+					var childNode = node.childNodes[i];
+					if (childNode.nodeType == 1) this.addChild(childNode, true); //ELEMENT_NODE
+					if (this.captureTextNodes && (childNode.nodeType == 3 || childNode.nodeType == 4)) {
+						var text = childNode.value || childNode.text || childNode.textContent || '';
+						if (svg.compressSpaces(text) != '') {
+							this.addChild(new svg.Element.tspan(childNode), false); // TEXT_NODE
+						}
+					}
+				}
+			}
+		}
+
+		svg.Element.RenderedElementBase = function(node) {
+			this.base = svg.Element.ElementBase;
+			this.base(node);
+
+			this.setContext = function(ctx) {
+				// fill
+				if (this.style('fill').isUrlDefinition()) {
+					var fs = this.style('fill').getFillStyleDefinition(this, this.style('fill-opacity'));
+					if (fs != null) ctx.fillStyle = fs;
+				}
+				else if (this.style('fill').hasValue()) {
+					var fillStyle = this.style('fill');
+					if (fillStyle.value == 'currentColor') fillStyle.value = this.style('color').value;
+					if (fillStyle.value != 'inherit') ctx.fillStyle = (fillStyle.value == 'none' ? 'rgba(0,0,0,0)' : fillStyle.value);
+				}
+				if (this.style('fill-opacity').hasValue()) {
+					var fillStyle = new svg.Property('fill', ctx.fillStyle);
+					fillStyle = fillStyle.addOpacity(this.style('fill-opacity'));
+					ctx.fillStyle = fillStyle.value;
+				}
+
+				// stroke
+				if (this.style('stroke').isUrlDefinition()) {
+					var fs = this.style('stroke').getFillStyleDefinition(this, this.style('stroke-opacity'));
+					if (fs != null) ctx.strokeStyle = fs;
+				}
+				else if (this.style('stroke').hasValue()) {
+					var strokeStyle = this.style('stroke');
+					if (strokeStyle.value == 'currentColor') strokeStyle.value = this.style('color').value;
+					if (strokeStyle.value != 'inherit') ctx.strokeStyle = (strokeStyle.value == 'none' ? 'rgba(0,0,0,0)' : strokeStyle.value);
+				}
+				if (this.style('stroke-opacity').hasValue()) {
+					var strokeStyle = new svg.Property('stroke', ctx.strokeStyle);
+					strokeStyle = strokeStyle.addOpacity(this.style('stroke-opacity'));
+					ctx.strokeStyle = strokeStyle.value;
+				}
+				if (this.style('stroke-width').hasValue()) {
+					var newLineWidth = this.style('stroke-width').toPixels();
+					ctx.lineWidth = newLineWidth == 0 ? 0.001 : newLineWidth; // browsers don't respect 0
+				}
+				if (this.style('stroke-linecap').hasValue()) ctx.lineCap = this.style('stroke-linecap').value;
+				if (this.style('stroke-linejoin').hasValue()) ctx.lineJoin = this.style('stroke-linejoin').value;
+				if (this.style('stroke-miterlimit').hasValue()) ctx.miterLimit = this.style('stroke-miterlimit').value;
+				if (this.style('paint-order').hasValue()) ctx.paintOrder = this.style('paint-order').value;
+				if (this.style('stroke-dasharray').hasValue() && this.style('stroke-dasharray').value != 'none') {
+					var gaps = svg.ToNumberArray(this.style('stroke-dasharray').value);
+					if (typeof ctx.setLineDash != 'undefined') { ctx.setLineDash(gaps); }
+					else if (typeof ctx.webkitLineDash != 'undefined') { ctx.webkitLineDash = gaps; }
+					else if (typeof ctx.mozDash != 'undefined' && !(gaps.length==1 && gaps[0]==0)) { ctx.mozDash = gaps; }
+
+					var offset = this.style('stroke-dashoffset').numValueOrDefault(1);
+					if (typeof ctx.lineDashOffset != 'undefined') { ctx.lineDashOffset = offset; }
+					else if (typeof ctx.webkitLineDashOffset != 'undefined') { ctx.webkitLineDashOffset = offset; }
+					else if (typeof ctx.mozDashOffset != 'undefined') { ctx.mozDashOffset = offset; }
+				}
+
+				// font
+				if (typeof ctx.font != 'undefined') {
+					ctx.font = svg.Font.CreateFont(
+						this.style('font-style').value,
+						this.style('font-variant').value,
+						this.style('font-weight').value,
+						this.style('font-size').hasValue() ? this.style('font-size').toPixels() + 'px' : '',
+						this.style('font-family').value).toString();
+				}
+
+				// transform
+				if (this.style('transform', false, true).hasValue()) {
+					var transform = new svg.Transform(this.style('transform', false, true).value);
+					transform.apply(ctx);
+				}
+
+				// clip
+				if (this.style('clip-path', false, true).hasValue()) {
+					var clip = this.style('clip-path', false, true).getDefinition();
+					if (clip != null) clip.apply(ctx);
+				}
+
+				// opacity
+				if (this.style('opacity').hasValue()) {
+					ctx.globalAlpha = this.style('opacity').numValue();
+				}
+			}
+		}
+		svg.Element.RenderedElementBase.prototype = new svg.Element.ElementBase;
+
+		svg.Element.PathElementBase = function(node) {
+			this.base = svg.Element.RenderedElementBase;
+			this.base(node);
+
+			this.path = function(ctx) {
+				if (ctx != null) ctx.beginPath();
+				return new svg.BoundingBox();
+			}
+
+			this.renderChildren = function(ctx) {
+				this.path(ctx);
+				svg.Mouse.checkPath(this, ctx);
+				if (ctx.fillStyle != '') {
+					if (this.style('fill-rule').valueOrDefault('inherit') != 'inherit') { ctx.fill(this.style('fill-rule').value); }
+					else { ctx.fill(); }
+				}
+				if (ctx.strokeStyle != '') ctx.stroke();
+
+				var markers = this.getMarkers();
+				if (markers != null) {
+					if (this.style('marker-start').isUrlDefinition()) {
+						var marker = this.style('marker-start').getDefinition();
+						marker.render(ctx, markers[0][0], markers[0][1]);
+					}
+					if (this.style('marker-mid').isUrlDefinition()) {
+						var marker = this.style('marker-mid').getDefinition();
+						for (var i=1;i<markers.length-1;i++) {
+							marker.render(ctx, markers[i][0], markers[i][1]);
+						}
+					}
+					if (this.style('marker-end').isUrlDefinition()) {
+						var marker = this.style('marker-end').getDefinition();
+						marker.render(ctx, markers[markers.length-1][0], markers[markers.length-1][1]);
+					}
+				}
+			}
+
+			this.getBoundingBox = function() {
+				return this.path();
+			}
+
+			this.getMarkers = function() {
+				return null;
+			}
+		}
+		svg.Element.PathElementBase.prototype = new svg.Element.RenderedElementBase;
+
+		// svg element
+		svg.Element.svg = function(node) {
+			this.base = svg.Element.RenderedElementBase;
+			this.base(node);
+
+			this.baseClearContext = this.clearContext;
+			this.clearContext = function(ctx) {
+				this.baseClearContext(ctx);
+				svg.ViewPort.RemoveCurrent();
+			}
+
+			this.baseSetContext = this.setContext;
+			this.setContext = function(ctx) {
+				// initial values and defaults
+				ctx.strokeStyle = 'rgba(0,0,0,0)';
+				ctx.lineCap = 'butt';
+				ctx.lineJoin = 'miter';
+				ctx.miterLimit = 4;
+				if (ctx.canvas.style && typeof ctx.font != 'undefined' && typeof windowEnv.getComputedStyle != 'undefined') {
+					ctx.font = windowEnv.getComputedStyle(ctx.canvas).getPropertyValue('font');
+				}
+
+				this.baseSetContext(ctx);
+
+				// create new view port
+				if (!this.attribute('x').hasValue()) this.attribute('x', true).value = 0;
+				if (!this.attribute('y').hasValue()) this.attribute('y', true).value = 0;
+				ctx.translate(this.attribute('x').toPixels('x'), this.attribute('y').toPixels('y'));
+
+				var width = svg.ViewPort.width();
+				var height = svg.ViewPort.height();
+
+				if (!this.attribute('width').hasValue()) this.attribute('width', true).value = '100%';
+				if (!this.attribute('height').hasValue()) this.attribute('height', true).value = '100%';
+				if (typeof this.root == 'undefined') {
+					width = this.attribute('width').toPixels('x');
+					height = this.attribute('height').toPixels('y');
+
+					var x = 0;
+					var y = 0;
+					if (this.attribute('refX').hasValue() && this.attribute('refY').hasValue()) {
+						x = -this.attribute('refX').toPixels('x');
+						y = -this.attribute('refY').toPixels('y');
+					}
+
+					if (this.attribute('overflow').valueOrDefault('hidden') != 'visible') {
+						ctx.beginPath();
+						ctx.moveTo(x, y);
+						ctx.lineTo(width, y);
+						ctx.lineTo(width, height);
+						ctx.lineTo(x, height);
+						ctx.closePath();
+						ctx.clip();
+					}
+				}
+				svg.ViewPort.SetCurrent(width, height);
+
+				// viewbox
+				if (this.attribute('viewBox').hasValue()) {
+					var viewBox = svg.ToNumberArray(this.attribute('viewBox').value);
+					var minX = viewBox[0];
+					var minY = viewBox[1];
+					width = viewBox[2];
+					height = viewBox[3];
+
+					svg.AspectRatio(ctx,
+									this.attribute('preserveAspectRatio').value,
+									svg.ViewPort.width(),
+									width,
+									svg.ViewPort.height(),
+									height,
+									minX,
+									minY,
+									this.attribute('refX').value,
+									this.attribute('refY').value);
+
+					svg.ViewPort.RemoveCurrent();
+					svg.ViewPort.SetCurrent(viewBox[2], viewBox[3]);
+				}
+			}
+		}
+		svg.Element.svg.prototype = new svg.Element.RenderedElementBase;
+
+		// rect element
+		svg.Element.rect = function(node) {
+			this.base = svg.Element.PathElementBase;
+			this.base(node);
+
+			this.path = function(ctx) {
+				var x = this.attribute('x').toPixels('x');
+				var y = this.attribute('y').toPixels('y');
+				var width = this.attribute('width').toPixels('x');
+				var height = this.attribute('height').toPixels('y');
+				var rx = this.attribute('rx').toPixels('x');
+				var ry = this.attribute('ry').toPixels('y');
+				if (this.attribute('rx').hasValue() && !this.attribute('ry').hasValue()) ry = rx;
+				if (this.attribute('ry').hasValue() && !this.attribute('rx').hasValue()) rx = ry;
+				rx = Math.min(rx, width / 2.0);
+				ry = Math.min(ry, height / 2.0);
+				if (ctx != null) {
+					ctx.beginPath();
+					ctx.moveTo(x + rx, y);
+					ctx.lineTo(x + width - rx, y);
+					ctx.quadraticCurveTo(x + width, y, x + width, y + ry)
+					ctx.lineTo(x + width, y + height - ry);
+					ctx.quadraticCurveTo(x + width, y + height, x + width - rx, y + height)
+					ctx.lineTo(x + rx, y + height);
+					ctx.quadraticCurveTo(x, y + height, x, y + height - ry)
+					ctx.lineTo(x, y + ry);
+					ctx.quadraticCurveTo(x, y, x + rx, y)
+					ctx.closePath();
+				}
+
+				return new svg.BoundingBox(x, y, x + width, y + height);
+			}
+		}
+		svg.Element.rect.prototype = new svg.Element.PathElementBase;
+
+		// circle element
+		svg.Element.circle = function(node) {
+			this.base = svg.Element.PathElementBase;
+			this.base(node);
+
+			this.path = function(ctx) {
+				var cx = this.attribute('cx').toPixels('x');
+				var cy = this.attribute('cy').toPixels('y');
+				var r = this.attribute('r').toPixels();
+
+				if (ctx != null) {
+					ctx.beginPath();
+					ctx.arc(cx, cy, r, 0, Math.PI * 2, true);
+					ctx.closePath();
+				}
+
+				return new svg.BoundingBox(cx - r, cy - r, cx + r, cy + r);
+			}
+		}
+		svg.Element.circle.prototype = new svg.Element.PathElementBase;
+
+		// ellipse element
+		svg.Element.ellipse = function(node) {
+			this.base = svg.Element.PathElementBase;
+			this.base(node);
+
+			this.path = function(ctx) {
+				var KAPPA = 4 * ((Math.sqrt(2) - 1) / 3);
+				var rx = this.attribute('rx').toPixels('x');
+				var ry = this.attribute('ry').toPixels('y');
+				var cx = this.attribute('cx').toPixels('x');
+				var cy = this.attribute('cy').toPixels('y');
+
+				if (ctx != null) {
+					ctx.beginPath();
+					ctx.moveTo(cx, cy - ry);
+					ctx.bezierCurveTo(cx + (KAPPA * rx), cy - ry,  cx + rx, cy - (KAPPA * ry), cx + rx, cy);
+					ctx.bezierCurveTo(cx + rx, cy + (KAPPA * ry), cx + (KAPPA * rx), cy + ry, cx, cy + ry);
+					ctx.bezierCurveTo(cx - (KAPPA * rx), cy + ry, cx - rx, cy + (KAPPA * ry), cx - rx, cy);
+					ctx.bezierCurveTo(cx - rx, cy - (KAPPA * ry), cx - (KAPPA * rx), cy - ry, cx, cy - ry);
+					ctx.closePath();
+				}
+
+				return new svg.BoundingBox(cx - rx, cy - ry, cx + rx, cy + ry);
+			}
+		}
+		svg.Element.ellipse.prototype = new svg.Element.PathElementBase;
+
+		// line element
+		svg.Element.line = function(node) {
+			this.base = svg.Element.PathElementBase;
+			this.base(node);
+
+			this.getPoints = function() {
+				return [
+					new svg.Point(this.attribute('x1').toPixels('x'), this.attribute('y1').toPixels('y')),
+					new svg.Point(this.attribute('x2').toPixels('x'), this.attribute('y2').toPixels('y'))];
+			}
+
+			this.path = function(ctx) {
+				var points = this.getPoints();
+
+				if (ctx != null) {
+					ctx.beginPath();
+					ctx.moveTo(points[0].x, points[0].y);
+					ctx.lineTo(points[1].x, points[1].y);
+				}
+
+				return new svg.BoundingBox(points[0].x, points[0].y, points[1].x, points[1].y);
+			}
+
+			this.getMarkers = function() {
+				var points = this.getPoints();
+				var a = points[0].angleTo(points[1]);
+				return [[points[0], a], [points[1], a]];
+			}
+		}
+		svg.Element.line.prototype = new svg.Element.PathElementBase;
+
+		// polyline element
+		svg.Element.polyline = function(node) {
+			this.base = svg.Element.PathElementBase;
+			this.base(node);
+
+			this.points = svg.CreatePath(this.attribute('points').value);
+			this.path = function(ctx) {
+				var bb = new svg.BoundingBox(this.points[0].x, this.points[0].y);
+				if (ctx != null) {
+					ctx.beginPath();
+					ctx.moveTo(this.points[0].x, this.points[0].y);
+				}
+				for (var i=1; i<this.points.length; i++) {
+					bb.addPoint(this.points[i].x, this.points[i].y);
+					if (ctx != null) ctx.lineTo(this.points[i].x, this.points[i].y);
+				}
+				return bb;
+			}
+
+			this.getMarkers = function() {
+				var markers = [];
+				for (var i=0; i<this.points.length - 1; i++) {
+					markers.push([this.points[i], this.points[i].angleTo(this.points[i+1])]);
+				}
+				if (markers.length > 0) {
+					markers.push([this.points[this.points.length-1], markers[markers.length-1][1]]);
+				}
+				return markers;
+			}
+		}
+		svg.Element.polyline.prototype = new svg.Element.PathElementBase;
+
+		// polygon element
+		svg.Element.polygon = function(node) {
+			this.base = svg.Element.polyline;
+			this.base(node);
+
+			this.basePath = this.path;
+			this.path = function(ctx) {
+				var bb = this.basePath(ctx);
+				if (ctx != null) {
+					ctx.lineTo(this.points[0].x, this.points[0].y);
+					ctx.closePath();
+				}
+				return bb;
+			}
+		}
+		svg.Element.polygon.prototype = new svg.Element.polyline;
+
+		// path element
+		svg.Element.path = function(node) {
+			this.base = svg.Element.PathElementBase;
+			this.base(node);
+
+			var d = this.attribute('d').value;
+			// TODO: convert to real lexer based on http://www.w3.org/TR/SVG11/paths.html#PathDataBNF
+			d = d.replace(/,/gm,' '); // get rid of all commas
+			// As the end of a match can also be the start of the next match, we need to run this replace twice.
+			for(var i=0; i<2; i++)
+				d = d.replace(/([MmZzLlHhVvCcSsQqTtAa])([^\s])/gm,'$1 $2'); // suffix commands with spaces
+			d = d.replace(/([^\s])([MmZzLlHhVvCcSsQqTtAa])/gm,'$1 $2'); // prefix commands with spaces
+			d = d.replace(/([0-9])([+\-])/gm,'$1 $2'); // separate digits on +- signs
+			// Again, we need to run this twice to find all occurances
+			for(var i=0; i<2; i++)
+				d = d.replace(/(\.[0-9]*)(\.)/gm,'$1 $2'); // separate digits when they start with a comma
+			d = d.replace(/([Aa](\s+[0-9]+){3})\s+([01])\s*([01])/gm,'$1 $3 $4 '); // shorthand elliptical arc path syntax
+			d = svg.compressSpaces(d); // compress multiple spaces
+			d = svg.trim(d);
+			this.PathParser = new (function(d) {
+				this.tokens = d.split(' ');
+
+				this.reset = function() {
+					this.i = -1;
+					this.command = '';
+					this.previousCommand = '';
+					this.start = new svg.Point(0, 0);
+					this.control = new svg.Point(0, 0);
+					this.current = new svg.Point(0, 0);
+					this.points = [];
+					this.angles = [];
+				}
+
+				this.isEnd = function() {
+					return this.i >= this.tokens.length - 1;
+				}
+
+				this.isCommandOrEnd = function() {
+					if (this.isEnd()) return true;
+					return this.tokens[this.i + 1].match(/^[A-Za-z]$/) != null;
+				}
+
+				this.isRelativeCommand = function() {
+					switch(this.command)
+					{
+						case 'm':
+						case 'l':
+						case 'h':
+						case 'v':
+						case 'c':
+						case 's':
+						case 'q':
+						case 't':
+						case 'a':
+						case 'z':
+							return true;
+							break;
+					}
+					return false;
+				}
+
+				this.getToken = function() {
+					this.i++;
+					return this.tokens[this.i];
+				}
+
+				this.getScalar = function() {
+					return parseFloat(this.getToken());
+				}
+
+				this.nextCommand = function() {
+					this.previousCommand = this.command;
+					this.command = this.getToken();
+				}
+
+				this.getPoint = function() {
+					var p = new svg.Point(this.getScalar(), this.getScalar());
+					return this.makeAbsolute(p);
+				}
+
+				this.getAsControlPoint = function() {
+					var p = this.getPoint();
+					this.control = p;
+					return p;
+				}
+
+				this.getAsCurrentPoint = function() {
+					var p = this.getPoint();
+					this.current = p;
+					return p;
+				}
+
+				this.getReflectedControlPoint = function() {
+					if (this.previousCommand.toLowerCase() != 'c' &&
+						this.previousCommand.toLowerCase() != 's' &&
+						this.previousCommand.toLowerCase() != 'q' &&
+						this.previousCommand.toLowerCase() != 't' ){
+						return this.current;
+					}
+
+					// reflect point
+					var p = new svg.Point(2 * this.current.x - this.control.x, 2 * this.current.y - this.control.y);
+					return p;
+				}
+
+				this.makeAbsolute = function(p) {
+					if (this.isRelativeCommand()) {
+						p.x += this.current.x;
+						p.y += this.current.y;
+					}
+					return p;
+				}
+
+				this.addMarker = function(p, from, priorTo) {
+					// if the last angle isn't filled in because we didn't have this point yet ...
+					if (priorTo != null && this.angles.length > 0 && this.angles[this.angles.length-1] == null) {
+						this.angles[this.angles.length-1] = this.points[this.points.length-1].angleTo(priorTo);
+					}
+					this.addMarkerAngle(p, from == null ? null : from.angleTo(p));
+				}
+
+				this.addMarkerAngle = function(p, a) {
+					this.points.push(p);
+					this.angles.push(a);
+				}
+
+				this.getMarkerPoints = function() { return this.points; }
+				this.getMarkerAngles = function() {
+					for (var i=0; i<this.angles.length; i++) {
+						if (this.angles[i] == null) {
+							for (var j=i+1; j<this.angles.length; j++) {
+								if (this.angles[j] != null) {
+									this.angles[i] = this.angles[j];
+									break;
+								}
+							}
+						}
+					}
+					return this.angles;
+				}
+			})(d);
+
+			this.path = function(ctx) {
+				var pp = this.PathParser;
+				pp.reset();
+
+				var bb = new svg.BoundingBox();
+				if (ctx != null) ctx.beginPath();
+				while (!pp.isEnd()) {
+					pp.nextCommand();
+					switch (pp.command) {
+					case 'M':
+					case 'm':
+						var p = pp.getAsCurrentPoint();
+						pp.addMarker(p);
+						bb.addPoint(p.x, p.y);
+						if (ctx != null) ctx.moveTo(p.x, p.y);
+						pp.start = pp.current;
+						while (!pp.isCommandOrEnd()) {
+							var p = pp.getAsCurrentPoint();
+							pp.addMarker(p, pp.start);
+							bb.addPoint(p.x, p.y);
+							if (ctx != null) ctx.lineTo(p.x, p.y);
+						}
+						break;
+					case 'L':
+					case 'l':
+						while (!pp.isCommandOrEnd()) {
+							var c = pp.current;
+							var p = pp.getAsCurrentPoint();
+							pp.addMarker(p, c);
+							bb.addPoint(p.x, p.y);
+							if (ctx != null) ctx.lineTo(p.x, p.y);
+						}
+						break;
+					case 'H':
+					case 'h':
+						while (!pp.isCommandOrEnd()) {
+							var newP = new svg.Point((pp.isRelativeCommand() ? pp.current.x : 0) + pp.getScalar(), pp.current.y);
+							pp.addMarker(newP, pp.current);
+							pp.current = newP;
+							bb.addPoint(pp.current.x, pp.current.y);
+							if (ctx != null) ctx.lineTo(pp.current.x, pp.current.y);
+						}
+						break;
+					case 'V':
+					case 'v':
+						while (!pp.isCommandOrEnd()) {
+							var newP = new svg.Point(pp.current.x, (pp.isRelativeCommand() ? pp.current.y : 0) + pp.getScalar());
+							pp.addMarker(newP, pp.current);
+							pp.current = newP;
+							bb.addPoint(pp.current.x, pp.current.y);
+							if (ctx != null) ctx.lineTo(pp.current.x, pp.current.y);
+						}
+						break;
+					case 'C':
+					case 'c':
+						while (!pp.isCommandOrEnd()) {
+							var curr = pp.current;
+							var p1 = pp.getPoint();
+							var cntrl = pp.getAsControlPoint();
+							var cp = pp.getAsCurrentPoint();
+							pp.addMarker(cp, cntrl, p1);
+							bb.addBezierCurve(curr.x, curr.y, p1.x, p1.y, cntrl.x, cntrl.y, cp.x, cp.y);
+							if (ctx != null) ctx.bezierCurveTo(p1.x, p1.y, cntrl.x, cntrl.y, cp.x, cp.y);
+						}
+						break;
+					case 'S':
+					case 's':
+						while (!pp.isCommandOrEnd()) {
+							var curr = pp.current;
+							var p1 = pp.getReflectedControlPoint();
+							var cntrl = pp.getAsControlPoint();
+							var cp = pp.getAsCurrentPoint();
+							pp.addMarker(cp, cntrl, p1);
+							bb.addBezierCurve(curr.x, curr.y, p1.x, p1.y, cntrl.x, cntrl.y, cp.x, cp.y);
+							if (ctx != null) ctx.bezierCurveTo(p1.x, p1.y, cntrl.x, cntrl.y, cp.x, cp.y);
+						}
+						break;
+					case 'Q':
+					case 'q':
+						while (!pp.isCommandOrEnd()) {
+							var curr = pp.current;
+							var cntrl = pp.getAsControlPoint();
+							var cp = pp.getAsCurrentPoint();
+							pp.addMarker(cp, cntrl, cntrl);
+							bb.addQuadraticCurve(curr.x, curr.y, cntrl.x, cntrl.y, cp.x, cp.y);
+							if (ctx != null) ctx.quadraticCurveTo(cntrl.x, cntrl.y, cp.x, cp.y);
+						}
+						break;
+					case 'T':
+					case 't':
+						while (!pp.isCommandOrEnd()) {
+							var curr = pp.current;
+							var cntrl = pp.getReflectedControlPoint();
+							pp.control = cntrl;
+							var cp = pp.getAsCurrentPoint();
+							pp.addMarker(cp, cntrl, cntrl);
+							bb.addQuadraticCurve(curr.x, curr.y, cntrl.x, cntrl.y, cp.x, cp.y);
+							if (ctx != null) ctx.quadraticCurveTo(cntrl.x, cntrl.y, cp.x, cp.y);
+						}
+						break;
+					case 'A':
+					case 'a':
+						while (!pp.isCommandOrEnd()) {
+							var curr = pp.current;
+							var rx = pp.getScalar();
+							var ry = pp.getScalar();
+							var xAxisRotation = pp.getScalar() * (Math.PI / 180.0);
+							var largeArcFlag = pp.getScalar();
+							var sweepFlag = pp.getScalar();
+							var cp = pp.getAsCurrentPoint();
+
+							// Conversion from endpoint to center parameterization
+							// http://www.w3.org/TR/SVG11/implnote.html#ArcImplementationNotes
+							// x1', y1'
+							var currp = new svg.Point(
+								Math.cos(xAxisRotation) * (curr.x - cp.x) / 2.0 + Math.sin(xAxisRotation) * (curr.y - cp.y) / 2.0,
+								-Math.sin(xAxisRotation) * (curr.x - cp.x) / 2.0 + Math.cos(xAxisRotation) * (curr.y - cp.y) / 2.0
+							);
+							// adjust radii
+							var l = Math.pow(currp.x,2)/Math.pow(rx,2)+Math.pow(currp.y,2)/Math.pow(ry,2);
+							if (l > 1) {
+								rx *= Math.sqrt(l);
+								ry *= Math.sqrt(l);
+							}
+							// cx', cy'
+							var s = (largeArcFlag == sweepFlag ? -1 : 1) * Math.sqrt(
+								((Math.pow(rx,2)*Math.pow(ry,2))-(Math.pow(rx,2)*Math.pow(currp.y,2))-(Math.pow(ry,2)*Math.pow(currp.x,2))) /
+								(Math.pow(rx,2)*Math.pow(currp.y,2)+Math.pow(ry,2)*Math.pow(currp.x,2))
+							);
+							if (isNaN(s)) s = 0;
+							var cpp = new svg.Point(s * rx * currp.y / ry, s * -ry * currp.x / rx);
+							// cx, cy
+							var centp = new svg.Point(
+								(curr.x + cp.x) / 2.0 + Math.cos(xAxisRotation) * cpp.x - Math.sin(xAxisRotation) * cpp.y,
+								(curr.y + cp.y) / 2.0 + Math.sin(xAxisRotation) * cpp.x + Math.cos(xAxisRotation) * cpp.y
+							);
+							// vector magnitude
+							var m = function(v) { return Math.sqrt(Math.pow(v[0],2) + Math.pow(v[1],2)); }
+							// ratio between two vectors
+							var r = function(u, v) { return (u[0]*v[0]+u[1]*v[1]) / (m(u)*m(v)) }
+							// angle between two vectors
+							var a = function(u, v) { return (u[0]*v[1] < u[1]*v[0] ? -1 : 1) * Math.acos(r(u,v)); }
+							// initial angle
+							var a1 = a([1,0], [(currp.x-cpp.x)/rx,(currp.y-cpp.y)/ry]);
+							// angle delta
+							var u = [(currp.x-cpp.x)/rx,(currp.y-cpp.y)/ry];
+							var v = [(-currp.x-cpp.x)/rx,(-currp.y-cpp.y)/ry];
+							var ad = a(u, v);
+							if (r(u,v) <= -1) ad = Math.PI;
+							if (r(u,v) >= 1) ad = 0;
+
+							// for markers
+							var dir = 1 - sweepFlag ? 1.0 : -1.0;
+							var ah = a1 + dir * (ad / 2.0);
+							var halfWay = new svg.Point(
+								centp.x + rx * Math.cos(ah),
+								centp.y + ry * Math.sin(ah)
+							);
+							pp.addMarkerAngle(halfWay, ah - dir * Math.PI / 2);
+							pp.addMarkerAngle(cp, ah - dir * Math.PI);
+
+							bb.addPoint(cp.x, cp.y); // TODO: this is too naive, make it better
+							if (ctx != null) {
+								var r = rx > ry ? rx : ry;
+								var sx = rx > ry ? 1 : rx / ry;
+								var sy = rx > ry ? ry / rx : 1;
+
+								ctx.translate(centp.x, centp.y);
+								ctx.rotate(xAxisRotation);
+								ctx.scale(sx, sy);
+								ctx.arc(0, 0, r, a1, a1 + ad, 1 - sweepFlag);
+								ctx.scale(1/sx, 1/sy);
+								ctx.rotate(-xAxisRotation);
+								ctx.translate(-centp.x, -centp.y);
+							}
+						}
+						break;
+					case 'Z':
+					case 'z':
+						if (ctx != null) ctx.closePath();
+						pp.current = pp.start;
+					}
+				}
+
+				return bb;
+			}
+
+			this.getMarkers = function() {
+				var points = this.PathParser.getMarkerPoints();
+				var angles = this.PathParser.getMarkerAngles();
+
+				var markers = [];
+				for (var i=0; i<points.length; i++) {
+					markers.push([points[i], angles[i]]);
+				}
+				return markers;
+			}
+		}
+		svg.Element.path.prototype = new svg.Element.PathElementBase;
+
+		// pattern element
+		svg.Element.pattern = function(node) {
+			this.base = svg.Element.ElementBase;
+			this.base(node);
+
+			this.createPattern = function(ctx, element) {
+				var width = this.attribute('width').toPixels('x', true);
+				var height = this.attribute('height').toPixels('y', true);
+
+				// render me using a temporary svg element
+				var tempSvg = new svg.Element.svg();
+				tempSvg.attributes['viewBox'] = new svg.Property('viewBox', this.attribute('viewBox').value);
+				tempSvg.attributes['width'] = new svg.Property('width', width + 'px');
+				tempSvg.attributes['height'] = new svg.Property('height', height + 'px');
+				tempSvg.attributes['transform'] = new svg.Property('transform', this.attribute('patternTransform').value);
+				tempSvg.children = this.children;
+
+				var c = createCanvas();
+				c.width = width;
+				c.height = height;
+				var cctx = c.getContext('2d');
+				if (this.attribute('x').hasValue() && this.attribute('y').hasValue()) {
+					cctx.translate(this.attribute('x').toPixels('x', true), this.attribute('y').toPixels('y', true));
+				}
+				// render 3x3 grid so when we transform there's no white space on edges
+				for (var x=-1; x<=1; x++) {
+					for (var y=-1; y<=1; y++) {
+						cctx.save();
+						tempSvg.attributes['x'] = new svg.Property('x', x * c.width);
+						tempSvg.attributes['y'] = new svg.Property('y', y * c.height);
+						tempSvg.render(cctx);
+						cctx.restore();
+					}
+				}
+				var pattern = ctx.createPattern(c, 'repeat');
+				return pattern;
+			}
+		}
+		svg.Element.pattern.prototype = new svg.Element.ElementBase;
+
+		// marker element
+		svg.Element.marker = function(node) {
+			this.base = svg.Element.ElementBase;
+			this.base(node);
+
+			this.baseRender = this.render;
+			this.render = function(ctx, point, angle) {
+				ctx.translate(point.x, point.y);
+				if (this.attribute('orient').valueOrDefault('auto') == 'auto') ctx.rotate(angle);
+				if (this.attribute('markerUnits').valueOrDefault('strokeWidth') == 'strokeWidth') ctx.scale(ctx.lineWidth, ctx.lineWidth);
+				ctx.save();
+
+				// render me using a temporary svg element
+				var tempSvg = new svg.Element.svg();
+				tempSvg.attributes['viewBox'] = new svg.Property('viewBox', this.attribute('viewBox').value);
+				tempSvg.attributes['refX'] = new svg.Property('refX', this.attribute('refX').value);
+				tempSvg.attributes['refY'] = new svg.Property('refY', this.attribute('refY').value);
+				tempSvg.attributes['width'] = new svg.Property('width', this.attribute('markerWidth').value);
+				tempSvg.attributes['height'] = new svg.Property('height', this.attribute('markerHeight').value);
+				tempSvg.attributes['fill'] = new svg.Property('fill', this.attribute('fill').valueOrDefault('black'));
+				tempSvg.attributes['stroke'] = new svg.Property('stroke', this.attribute('stroke').valueOrDefault('none'));
+				tempSvg.children = this.children;
+				tempSvg.render(ctx);
+
+				ctx.restore();
+				if (this.attribute('markerUnits').valueOrDefault('strokeWidth') == 'strokeWidth') ctx.scale(1/ctx.lineWidth, 1/ctx.lineWidth);
+				if (this.attribute('orient').valueOrDefault('auto') == 'auto') ctx.rotate(-angle);
+				ctx.translate(-point.x, -point.y);
+			}
+		}
+		svg.Element.marker.prototype = new svg.Element.ElementBase;
+
+		// definitions element
+		svg.Element.defs = function(node) {
+			this.base = svg.Element.ElementBase;
+			this.base(node);
+
+			this.render = function(ctx) {
+				// NOOP
+			}
+		}
+		svg.Element.defs.prototype = new svg.Element.ElementBase;
+
+		// base for gradients
+		svg.Element.GradientBase = function(node) {
+			this.base = svg.Element.ElementBase;
+			this.base(node);
+
+			this.stops = [];
+			for (var i=0; i<this.children.length; i++) {
+				var child = this.children[i];
+				if (child.type == 'stop') this.stops.push(child);
+			}
+
+			this.getGradient = function() {
+				// OVERRIDE ME!
+			}
+
+			this.gradientUnits = function () {
+				return this.attribute('gradientUnits').valueOrDefault('objectBoundingBox');
+			}
+
+			this.attributesToInherit = ['gradientUnits'];
+
+			this.inheritStopContainer = function (stopsContainer) {
+				for (var i=0; i<this.attributesToInherit.length; i++) {
+					var attributeToInherit = this.attributesToInherit[i];
+					if (!this.attribute(attributeToInherit).hasValue() && stopsContainer.attribute(attributeToInherit).hasValue()) {
+						this.attribute(attributeToInherit, true).value = stopsContainer.attribute(attributeToInherit).value;
+					}
+				}
+			}
+
+			this.createGradient = function(ctx, element, parentOpacityProp) {
+				var stopsContainer = this;
+				if (this.getHrefAttribute().hasValue()) {
+					stopsContainer = this.getHrefAttribute().getDefinition();
+					this.inheritStopContainer(stopsContainer);
+				}
+
+				var addParentOpacity = function (color) {
+					if (parentOpacityProp.hasValue()) {
+						var p = new svg.Property('color', color);
+						return p.addOpacity(parentOpacityProp).value;
+					}
+					return color;
+				};
+
+				var g = this.getGradient(ctx, element);
+				if (g == null) return addParentOpacity(stopsContainer.stops[stopsContainer.stops.length - 1].color);
+				for (var i=0; i<stopsContainer.stops.length; i++) {
+					g.addColorStop(stopsContainer.stops[i].offset, addParentOpacity(stopsContainer.stops[i].color));
+				}
+
+				if (this.attribute('gradientTransform').hasValue()) {
+					// render as transformed pattern on temporary canvas
+					var rootView = svg.ViewPort.viewPorts[0];
+
+					var rect = new svg.Element.rect();
+					rect.attributes['x'] = new svg.Property('x', -svg.MAX_VIRTUAL_PIXELS/3.0);
+					rect.attributes['y'] = new svg.Property('y', -svg.MAX_VIRTUAL_PIXELS/3.0);
+					rect.attributes['width'] = new svg.Property('width', svg.MAX_VIRTUAL_PIXELS);
+					rect.attributes['height'] = new svg.Property('height', svg.MAX_VIRTUAL_PIXELS);
+
+					var group = new svg.Element.g();
+					group.attributes['transform'] = new svg.Property('transform', this.attribute('gradientTransform').value);
+					group.children = [ rect ];
+
+					var tempSvg = new svg.Element.svg();
+					tempSvg.attributes['x'] = new svg.Property('x', 0);
+					tempSvg.attributes['y'] = new svg.Property('y', 0);
+					tempSvg.attributes['width'] = new svg.Property('width', rootView.width);
+					tempSvg.attributes['height'] = new svg.Property('height', rootView.height);
+					tempSvg.children = [ group ];
+					var c = createCanvas();
+					c.width = rootView.width;
+					c.height = rootView.height;
+					var tempCtx = c.getContext('2d');
+					tempCtx.fillStyle = g;
+					tempSvg.render(tempCtx);
+					return tempCtx.createPattern(c, 'no-repeat');
+				}
+
+				return g;
+			}
+		}
+		svg.Element.GradientBase.prototype = new svg.Element.ElementBase;
+
+		// linear gradient element
+		svg.Element.linearGradient = function(node) {
+			this.base = svg.Element.GradientBase;
+			this.base(node);
+
+			this.attributesToInherit.push('x1');
+			this.attributesToInherit.push('y1');
+			this.attributesToInherit.push('x2');
+			this.attributesToInherit.push('y2');
+
+			this.getGradient = function(ctx, element) {
+				var bb = this.gradientUnits() == 'objectBoundingBox' ? element.getBoundingBox() : null;
+
+				if (!this.attribute('x1').hasValue()
+				 && !this.attribute('y1').hasValue()
+				 && !this.attribute('x2').hasValue()
+				 && !this.attribute('y2').hasValue()) {
+					this.attribute('x1', true).value = 0;
+					this.attribute('y1', true).value = 0;
+					this.attribute('x2', true).value = 1;
+					this.attribute('y2', true).value = 0;
+				 }
+
+				var x1 = (this.gradientUnits() == 'objectBoundingBox'
+					? bb.x() + bb.width() * this.attribute('x1').numValue()
+					: this.attribute('x1').toPixels('x'));
+				var y1 = (this.gradientUnits() == 'objectBoundingBox'
+					? bb.y() + bb.height() * this.attribute('y1').numValue()
+					: this.attribute('y1').toPixels('y'));
+				var x2 = (this.gradientUnits() == 'objectBoundingBox'
+					? bb.x() + bb.width() * this.attribute('x2').numValue()
+					: this.attribute('x2').toPixels('x'));
+				var y2 = (this.gradientUnits() == 'objectBoundingBox'
+					? bb.y() + bb.height() * this.attribute('y2').numValue()
+					: this.attribute('y2').toPixels('y'));
+
+				if (x1 == x2 && y1 == y2) return null;
+				return ctx.createLinearGradient(x1, y1, x2, y2);
+			}
+		}
+		svg.Element.linearGradient.prototype = new svg.Element.GradientBase;
+
+		// radial gradient element
+		svg.Element.radialGradient = function(node) {
+			this.base = svg.Element.GradientBase;
+			this.base(node);
+
+			this.attributesToInherit.push('cx');
+			this.attributesToInherit.push('cy');
+			this.attributesToInherit.push('r');
+			this.attributesToInherit.push('fx');
+			this.attributesToInherit.push('fy');
+
+			this.getGradient = function(ctx, element) {
+				var bb = element.getBoundingBox();
+
+				if (!this.attribute('cx').hasValue()) this.attribute('cx', true).value = '50%';
+				if (!this.attribute('cy').hasValue()) this.attribute('cy', true).value = '50%';
+				if (!this.attribute('r').hasValue()) this.attribute('r', true).value = '50%';
+
+				var cx = (this.gradientUnits() == 'objectBoundingBox'
+					? bb.x() + bb.width() * this.attribute('cx').numValue()
+					: this.attribute('cx').toPixels('x'));
+				var cy = (this.gradientUnits() == 'objectBoundingBox'
+					? bb.y() + bb.height() * this.attribute('cy').numValue()
+					: this.attribute('cy').toPixels('y'));
+
+				var fx = cx;
+				var fy = cy;
+				if (this.attribute('fx').hasValue()) {
+					fx = (this.gradientUnits() == 'objectBoundingBox'
+					? bb.x() + bb.width() * this.attribute('fx').numValue()
+					: this.attribute('fx').toPixels('x'));
+				}
+				if (this.attribute('fy').hasValue()) {
+					fy = (this.gradientUnits() == 'objectBoundingBox'
+					? bb.y() + bb.height() * this.attribute('fy').numValue()
+					: this.attribute('fy').toPixels('y'));
+				}
+
+				var r = (this.gradientUnits() == 'objectBoundingBox'
+					? (bb.width() + bb.height()) / 2.0 * this.attribute('r').numValue()
+					: this.attribute('r').toPixels());
+
+				return ctx.createRadialGradient(fx, fy, 0, cx, cy, r);
+			}
+		}
+		svg.Element.radialGradient.prototype = new svg.Element.GradientBase;
+
+		// gradient stop element
+		svg.Element.stop = function(node) {
+			this.base = svg.Element.ElementBase;
+			this.base(node);
+
+			this.offset = this.attribute('offset').numValue();
+			if (this.offset < 0) this.offset = 0;
+			if (this.offset > 1) this.offset = 1;
+
+			var stopColor = this.style('stop-color', true);
+			if (stopColor.value === '') stopColor.value = '#000';
+			if (this.style('stop-opacity').hasValue()) stopColor = stopColor.addOpacity(this.style('stop-opacity'));
+			this.color = stopColor.value;
+		}
+		svg.Element.stop.prototype = new svg.Element.ElementBase;
+
+		// animation base element
+		svg.Element.AnimateBase = function(node) {
+			this.base = svg.Element.ElementBase;
+			this.base(node);
+
+			svg.Animations.push(this);
+
+			this.duration = 0.0;
+			this.begin = this.attribute('begin').toMilliseconds();
+			this.maxDuration = this.begin + this.attribute('dur').toMilliseconds();
+
+			this.getProperty = function() {
+				var attributeType = this.attribute('attributeType').value;
+				var attributeName = this.attribute('attributeName').value;
+
+				if (attributeType == 'CSS') {
+					return this.parent.style(attributeName, true);
+				}
+				return this.parent.attribute(attributeName, true);
+			};
+
+			this.initialValue = null;
+			this.initialUnits = '';
+			this.removed = false;
+
+			this.calcValue = function() {
+				// OVERRIDE ME!
+				return '';
+			}
+
+			this.update = function(delta) {
+				// set initial value
+				if (this.initialValue == null) {
+					this.initialValue = this.getProperty().value;
+					this.initialUnits = this.getProperty().getUnits();
+				}
+
+				// if we're past the end time
+				if (this.duration > this.maxDuration) {
+					// loop for indefinitely repeating animations
+					if (this.attribute('repeatCount').value == 'indefinite'
+					 || this.attribute('repeatDur').value == 'indefinite') {
+						this.duration = 0.0
+					}
+					else if (this.attribute('fill').valueOrDefault('remove') == 'freeze' && !this.frozen) {
+						this.frozen = true;
+						this.parent.animationFrozen = true;
+						this.parent.animationFrozenValue = this.getProperty().value;
+					}
+					else if (this.attribute('fill').valueOrDefault('remove') == 'remove' && !this.removed) {
+						this.removed = true;
+						this.getProperty().value = this.parent.animationFrozen ? this.parent.animationFrozenValue : this.initialValue;
+						return true;
+					}
+					return false;
+				}
+				this.duration = this.duration + delta;
+
+				// if we're past the begin time
+				var updated = false;
+				if (this.begin < this.duration) {
+					var newValue = this.calcValue(); // tween
+
+					if (this.attribute('type').hasValue()) {
+						// for transform, etc.
+						var type = this.attribute('type').value;
+						newValue = type + '(' + newValue + ')';
+					}
+
+					this.getProperty().value = newValue;
+					updated = true;
+				}
+
+				return updated;
+			}
+
+			this.from = this.attribute('from');
+			this.to = this.attribute('to');
+			this.values = this.attribute('values');
+			if (this.values.hasValue()) this.values.value = this.values.value.split(';');
+
+			// fraction of duration we've covered
+			this.progress = function() {
+				var ret = { progress: (this.duration - this.begin) / (this.maxDuration - this.begin) };
+				if (this.values.hasValue()) {
+					var p = ret.progress * (this.values.value.length - 1);
+					var lb = Math.floor(p), ub = Math.ceil(p);
+					ret.from = new svg.Property('from', parseFloat(this.values.value[lb]));
+					ret.to = new svg.Property('to', parseFloat(this.values.value[ub]));
+					ret.progress = (p - lb) / (ub - lb);
+				}
+				else {
+					ret.from = this.from;
+					ret.to = this.to;
+				}
+				return ret;
+			}
+		}
+		svg.Element.AnimateBase.prototype = new svg.Element.ElementBase;
+
+		// animate element
+		svg.Element.animate = function(node) {
+			this.base = svg.Element.AnimateBase;
+			this.base(node);
+
+			this.calcValue = function() {
+				var p = this.progress();
+
+				// tween value linearly
+				var newValue = p.from.numValue() + (p.to.numValue() - p.from.numValue()) * p.progress;
+				return newValue + this.initialUnits;
+			};
+		}
+		svg.Element.animate.prototype = new svg.Element.AnimateBase;
+
+		// animate color element
+		svg.Element.animateColor = function(node) {
+			this.base = svg.Element.AnimateBase;
+			this.base(node);
+
+			this.calcValue = function() {
+				var p = this.progress();
+				var from = new RGBColor(p.from.value);
+				var to = new RGBColor(p.to.value);
+
+				if (from.ok && to.ok) {
+					// tween color linearly
+					var r = from.r + (to.r - from.r) * p.progress;
+					var g = from.g + (to.g - from.g) * p.progress;
+					var b = from.b + (to.b - from.b) * p.progress;
+					return 'rgb('+parseInt(r,10)+','+parseInt(g,10)+','+parseInt(b,10)+')';
+				}
+				return this.attribute('from').value;
+			};
+		}
+		svg.Element.animateColor.prototype = new svg.Element.AnimateBase;
+
+		// animate transform element
+		svg.Element.animateTransform = function(node) {
+			this.base = svg.Element.AnimateBase;
+			this.base(node);
+
+			this.calcValue = function() {
+				var p = this.progress();
+
+				// tween value linearly
+				var from = svg.ToNumberArray(p.from.value);
+				var to = svg.ToNumberArray(p.to.value);
+				var newValue = '';
+				for (var i=0; i<from.length; i++) {
+					newValue += from[i] + (to[i] - from[i]) * p.progress + ' ';
+				}
+				return newValue;
+			};
+		}
+		svg.Element.animateTransform.prototype = new svg.Element.animate;
+
+		// font element
+		svg.Element.font = function(node) {
+			this.base = svg.Element.ElementBase;
+			this.base(node);
+
+			this.horizAdvX = this.attribute('horiz-adv-x').numValue();
+
+			this.isRTL = false;
+			this.isArabic = false;
+			this.fontFace = null;
+			this.missingGlyph = null;
+			this.glyphs = [];
+			for (var i=0; i<this.children.length; i++) {
+				var child = this.children[i];
+				if (child.type == 'font-face') {
+					this.fontFace = child;
+					if (child.style('font-family').hasValue()) {
+						svg.Definitions[child.style('font-family').value] = this;
+					}
+				}
+				else if (child.type == 'missing-glyph') this.missingGlyph = child;
+				else if (child.type == 'glyph') {
+					if (child.arabicForm != '') {
+						this.isRTL = true;
+						this.isArabic = true;
+						if (typeof this.glyphs[child.unicode] == 'undefined') this.glyphs[child.unicode] = [];
+						this.glyphs[child.unicode][child.arabicForm] = child;
+					}
+					else {
+						this.glyphs[child.unicode] = child;
+					}
+				}
+			}
+		}
+		svg.Element.font.prototype = new svg.Element.ElementBase;
+
+		// font-face element
+		svg.Element.fontface = function(node) {
+			this.base = svg.Element.ElementBase;
+			this.base(node);
+
+			this.ascent = this.attribute('ascent').value;
+			this.descent = this.attribute('descent').value;
+			this.unitsPerEm = this.attribute('units-per-em').numValue();
+		}
+		svg.Element.fontface.prototype = new svg.Element.ElementBase;
+
+		// missing-glyph element
+		svg.Element.missingglyph = function(node) {
+			this.base = svg.Element.path;
+			this.base(node);
+
+			this.horizAdvX = 0;
+		}
+		svg.Element.missingglyph.prototype = new svg.Element.path;
+
+		// glyph element
+		svg.Element.glyph = function(node) {
+			this.base = svg.Element.path;
+			this.base(node);
+
+			this.horizAdvX = this.attribute('horiz-adv-x').numValue();
+			this.unicode = this.attribute('unicode').value;
+			this.arabicForm = this.attribute('arabic-form').value;
+		}
+		svg.Element.glyph.prototype = new svg.Element.path;
+
+		// text element
+		svg.Element.text = function(node) {
+			this.captureTextNodes = true;
+			this.base = svg.Element.RenderedElementBase;
+			this.base(node);
+
+			this.baseSetContext = this.setContext;
+			this.setContext = function(ctx) {
+				this.baseSetContext(ctx);
+
+				var textBaseline = this.style('dominant-baseline').toTextBaseline();
+				if (textBaseline == null) textBaseline = this.style('alignment-baseline').toTextBaseline();
+				if (textBaseline != null) ctx.textBaseline = textBaseline;
+			}
+
+			this.getBoundingBox = function () {
+				var x = this.attribute('x').toPixels('x');
+				var y = this.attribute('y').toPixels('y');
+				var fontSize = this.parent.style('font-size').numValueOrDefault(svg.Font.Parse(svg.ctx.font).fontSize);
+				return new svg.BoundingBox(x, y - fontSize, x + Math.floor(fontSize * 2.0 / 3.0) * this.children[0].getText().length, y);
+			}
+
+			this.renderChildren = function(ctx) {
+				this.x = this.attribute('x').toPixels('x');
+				this.y = this.attribute('y').toPixels('y');
+				if (this.attribute('dx').hasValue()) this.x += this.attribute('dx').toPixels('x');
+				if (this.attribute('dy').hasValue()) this.y += this.attribute('dy').toPixels('y');
+				this.x += this.getAnchorDelta(ctx, this, 0);
+				for (var i=0; i<this.children.length; i++) {
+					this.renderChild(ctx, this, this, i);
+				}
+			}
+
+			this.getAnchorDelta = function (ctx, parent, startI) {
+				var textAnchor = this.style('text-anchor').valueOrDefault('start');
+				if (textAnchor != 'start') {
+					var width = 0;
+					for (var i=startI; i<parent.children.length; i++) {
+						var child = parent.children[i];
+						if (i > startI && child.attribute('x').hasValue()) break; // new group
+						width += child.measureTextRecursive(ctx);
+					}
+					return -1 * (textAnchor == 'end' ? width : width / 2.0);
+				}
+				return 0;
+			}
+
+			this.renderChild = function(ctx, textParent, parent, i) {
+				var child = parent.children[i];
+				if (child.attribute('x').hasValue()) {
+					child.x = child.attribute('x').toPixels('x') + textParent.getAnchorDelta(ctx, parent, i);
+					if (child.attribute('dx').hasValue()) child.x += child.attribute('dx').toPixels('x');
+				}
+				else {
+					if (child.attribute('dx').hasValue()) textParent.x += child.attribute('dx').toPixels('x');
+					child.x = textParent.x;
+				}
+				textParent.x = child.x + child.measureText(ctx);
+
+				if (child.attribute('y').hasValue()) {
+					child.y = child.attribute('y').toPixels('y');
+					if (child.attribute('dy').hasValue()) child.y += child.attribute('dy').toPixels('y');
+				}
+				else {
+					if (child.attribute('dy').hasValue()) textParent.y += child.attribute('dy').toPixels('y');
+					child.y = textParent.y;
+				}
+				textParent.y = child.y;
+
+				child.render(ctx);
+
+				for (var i=0; i<child.children.length; i++) {
+					textParent.renderChild(ctx, textParent, child, i);
+				}
+			}
+		}
+		svg.Element.text.prototype = new svg.Element.RenderedElementBase;
+
+		// text base
+		svg.Element.TextElementBase = function(node) {
+			this.base = svg.Element.RenderedElementBase;
+			this.base(node);
+
+			this.getGlyph = function(font, text, i) {
+				var c = text[i];
+				var glyph = null;
+				if (font.isArabic) {
+					var arabicForm = 'isolated';
+					if ((i==0 || text[i-1]==' ') && i<text.length-2 && text[i+1]!=' ') arabicForm = 'terminal';
+					if (i>0 && text[i-1]!=' ' && i<text.length-2 && text[i+1]!=' ') arabicForm = 'medial';
+					if (i>0 && text[i-1]!=' ' && (i == text.length-1 || text[i+1]==' ')) arabicForm = 'initial';
+					if (typeof font.glyphs[c] != 'undefined') {
+						glyph = font.glyphs[c][arabicForm];
+						if (glyph == null && font.glyphs[c].type == 'glyph') glyph = font.glyphs[c];
+					}
+				}
+				else {
+					glyph = font.glyphs[c];
+				}
+				if (glyph == null) glyph = font.missingGlyph;
+				return glyph;
+			}
+
+			this.renderChildren = function(ctx) {
+				var customFont = this.parent.style('font-family').getDefinition();
+				if (customFont != null) {
+					var fontSize = this.parent.style('font-size').numValueOrDefault(svg.Font.Parse(svg.ctx.font).fontSize);
+					var fontStyle = this.parent.style('font-style').valueOrDefault(svg.Font.Parse(svg.ctx.font).fontStyle);
+					var text = this.getText();
+					if (customFont.isRTL) text = text.split("").reverse().join("");
+
+					var dx = svg.ToNumberArray(this.parent.attribute('dx').value);
+					for (var i=0; i<text.length; i++) {
+						var glyph = this.getGlyph(customFont, text, i);
+						var scale = fontSize / customFont.fontFace.unitsPerEm;
+						ctx.translate(this.x, this.y);
+						ctx.scale(scale, -scale);
+						var lw = ctx.lineWidth;
+						ctx.lineWidth = ctx.lineWidth * customFont.fontFace.unitsPerEm / fontSize;
+						if (fontStyle == 'italic') ctx.transform(1, 0, .4, 1, 0, 0);
+						glyph.render(ctx);
+						if (fontStyle == 'italic') ctx.transform(1, 0, -.4, 1, 0, 0);
+						ctx.lineWidth = lw;
+						ctx.scale(1/scale, -1/scale);
+						ctx.translate(-this.x, -this.y);
+
+						this.x += fontSize * (glyph.horizAdvX || customFont.horizAdvX) / customFont.fontFace.unitsPerEm;
+						if (typeof dx[i] != 'undefined' && !isNaN(dx[i])) {
+							this.x += dx[i];
+						}
+					}
+					return;
+				}
+				if(ctx.paintOrder == "stroke") {
+					if (ctx.strokeStyle != '') ctx.strokeText(svg.compressSpaces(this.getText()), this.x, this.y);
+					if (ctx.fillStyle != '') ctx.fillText(svg.compressSpaces(this.getText()), this.x, this.y);
+				} else {
+					if (ctx.fillStyle != '') ctx.fillText(svg.compressSpaces(this.getText()), this.x, this.y);
+					if (ctx.strokeStyle != '') ctx.strokeText(svg.compressSpaces(this.getText()), this.x, this.y);
+				}
+			}
+
+			this.getText = function() {
+				// OVERRIDE ME
+			}
+
+			this.measureTextRecursive = function(ctx) {
+				var width = this.measureText(ctx);
+				for (var i=0; i<this.children.length; i++) {
+					width += this.children[i].measureTextRecursive(ctx);
+				}
+				return width;
+			}
+
+			this.measureText = function(ctx) {
+				var customFont = this.parent.style('font-family').getDefinition();
+				if (customFont != null) {
+					var fontSize = this.parent.style('font-size').numValueOrDefault(svg.Font.Parse(svg.ctx.font).fontSize);
+					var measure = 0;
+					var text = this.getText();
+					if (customFont.isRTL) text = text.split("").reverse().join("");
+					var dx = svg.ToNumberArray(this.parent.attribute('dx').value);
+					for (var i=0; i<text.length; i++) {
+						var glyph = this.getGlyph(customFont, text, i);
+						measure += (glyph.horizAdvX || customFont.horizAdvX) * fontSize / customFont.fontFace.unitsPerEm;
+						if (typeof dx[i] != 'undefined' && !isNaN(dx[i])) {
+							measure += dx[i];
+						}
+					}
+					return measure;
+				}
+
+				var textToMeasure = svg.compressSpaces(this.getText());
+				if (!ctx.measureText) return textToMeasure.length * 10;
+
+				ctx.save();
+				this.setContext(ctx);
+				var width = ctx.measureText(textToMeasure).width;
+				ctx.restore();
+				return width;
+			}
+		}
+		svg.Element.TextElementBase.prototype = new svg.Element.RenderedElementBase;
+
+		// tspan
+		svg.Element.tspan = function(node) {
+			this.captureTextNodes = true;
+			this.base = svg.Element.TextElementBase;
+			this.base(node);
+
+			this.text = svg.compressSpaces(node.value || node.text || node.textContent || '');
+			this.getText = function() {
+				// if this node has children, then they own the text
+				if (this.children.length > 0) { return ''; }
+				return this.text;
+			}
+		}
+		svg.Element.tspan.prototype = new svg.Element.TextElementBase;
+
+		// tref
+		svg.Element.tref = function(node) {
+			this.base = svg.Element.TextElementBase;
+			this.base(node);
+
+			this.getText = function() {
+				var element = this.getHrefAttribute().getDefinition();
+				if (element != null) return element.children[0].getText();
+			}
+		}
+		svg.Element.tref.prototype = new svg.Element.TextElementBase;
+
+		// a element
+		svg.Element.a = function(node) {
+			this.base = svg.Element.TextElementBase;
+			this.base(node);
+
+			this.hasText = node.childNodes.length > 0;
+			for (var i=0; i<node.childNodes.length; i++) {
+				if (node.childNodes[i].nodeType != 3) this.hasText = false;
+			}
+
+			// this might contain text
+			this.text = this.hasText ? node.childNodes[0].value || node.childNodes[0].data : '';
+			this.getText = function() {
+				return this.text;
+			}
+
+			this.baseRenderChildren = this.renderChildren;
+			this.renderChildren = function(ctx) {
+				if (this.hasText) {
+					// render as text element
+					this.baseRenderChildren(ctx);
+					var fontSize = new svg.Property('fontSize', svg.Font.Parse(svg.ctx.font).fontSize);
+					svg.Mouse.checkBoundingBox(this, new svg.BoundingBox(this.x, this.y - fontSize.toPixels('y'), this.x + this.measureText(ctx), this.y));
+				}
+				else if (this.children.length > 0) {
+					// render as temporary group
+					var g = new svg.Element.g();
+					g.children = this.children;
+					g.parent = this;
+					g.render(ctx);
+				}
+			}
+
+			this.onclick = function() {
+				windowEnv.open(this.getHrefAttribute().value);
+			}
+
+			this.onmousemove = function() {
+				svg.ctx.canvas.style.cursor = 'pointer';
+			}
+		}
+		svg.Element.a.prototype = new svg.Element.TextElementBase;
+
+		// image element
+		svg.Element.image = function(node) {
+			this.base = svg.Element.RenderedElementBase;
+			this.base(node);
+
+			var href = this.getHrefAttribute().value;
+			if (href == '') { return; }
+			var isSvg = href.match(/\.svg$/)
+
+			svg.Images.push(this);
+			this.loaded = false;
+			if (!isSvg) {
+				this.img = nodeEnv ? new ImageClass() : document.createElement('img');
+				if (svg.opts['useCORS'] == true) { this.img.crossOrigin = 'Anonymous'; }
+				var self = this;
+				this.img.onload = function() { self.loaded = true; }
+				this.img.onerror = function() { svg.log('ERROR: image "' + href + '" not found'); self.loaded = true; }
+				this.img.src = href;
+			}
+			else {
+				this.img = svg.ajax(href);
+				this.loaded = true;
+			}
+
+			this.renderChildren = function(ctx) {
+				var x = this.attribute('x').toPixels('x');
+				var y = this.attribute('y').toPixels('y');
+
+				var width = this.attribute('width').toPixels('x');
+				var height = this.attribute('height').toPixels('y');
+				if (width == 0 || height == 0) return;
+
+				ctx.save();
+				if (isSvg) {
+					ctx.drawSvg(this.img, x, y, width, height);
+				}
+				else {
+					ctx.translate(x, y);
+					svg.AspectRatio(ctx,
+									this.attribute('preserveAspectRatio').value,
+									width,
+									this.img.width,
+									height,
+									this.img.height,
+									0,
+									0);
+					if (self.loaded) {
+						if (this.img.complete === undefined || this.img.complete) {
+							ctx.drawImage(this.img, 0, 0);
+						}
+					}
+				}
+				ctx.restore();
+			}
+
+			this.getBoundingBox = function() {
+				var x = this.attribute('x').toPixels('x');
+				var y = this.attribute('y').toPixels('y');
+				var width = this.attribute('width').toPixels('x');
+				var height = this.attribute('height').toPixels('y');
+				return new svg.BoundingBox(x, y, x + width, y + height);
+			}
+		}
+		svg.Element.image.prototype = new svg.Element.RenderedElementBase;
+
+		// group element
+		svg.Element.g = function(node) {
+			this.base = svg.Element.RenderedElementBase;
+			this.base(node);
+
+			this.getBoundingBox = function() {
+				var bb = new svg.BoundingBox();
+				for (var i=0; i<this.children.length; i++) {
+					bb.addBoundingBox(this.children[i].getBoundingBox());
+				}
+				return bb;
+			};
+		}
+		svg.Element.g.prototype = new svg.Element.RenderedElementBase;
+
+		// symbol element
+		svg.Element.symbol = function(node) {
+			this.base = svg.Element.RenderedElementBase;
+			this.base(node);
+
+			this.render = function(ctx) {
+				// NO RENDER
+			};
+		}
+		svg.Element.symbol.prototype = new svg.Element.RenderedElementBase;
+
+		// style element
+		svg.Element.style = function(node) {
+			this.base = svg.Element.ElementBase;
+			this.base(node);
+
+			// text, or spaces then CDATA
+			var css = ''
+			for (var i=0; i<node.childNodes.length; i++) {
+			  css += node.childNodes[i].data;
+			}
+			css = css.replace(/(\/\*([^*]|[\r\n]|(\*+([^*\/]|[\r\n])))*\*+\/)|(^[\s]*\/\/.*)/gm, ''); // remove comments
+			css = svg.compressSpaces(css); // replace whitespace
+			var cssDefs = css.split('}');
+			for (var i=0; i<cssDefs.length; i++) {
+				if (svg.trim(cssDefs[i]) != '') {
+					var cssDef = cssDefs[i].split('{');
+					var cssClasses = cssDef[0].split(',');
+					var cssProps = cssDef[1].split(';');
+					for (var j=0; j<cssClasses.length; j++) {
+						var cssClass = svg.trim(cssClasses[j]);
+						if (cssClass != '') {
+							var props = svg.Styles[cssClass] || {};
+							for (var k=0; k<cssProps.length; k++) {
+								var prop = cssProps[k].indexOf(':');
+								var name = cssProps[k].substr(0, prop);
+								var value = cssProps[k].substr(prop + 1, cssProps[k].length - prop);
+								if (name != null && value != null) {
+									props[svg.trim(name)] = new svg.Property(svg.trim(name), svg.trim(value));
+								}
+							}
+							svg.Styles[cssClass] = props;
+							svg.StylesSpecificity[cssClass] = getSelectorSpecificity(cssClass);
+							if (cssClass == '@font-face' && !nodeEnv) {
+								var fontFamily = props['font-family'].value.replace(/"/g,'');
+								var srcs = props['src'].value.split(',');
+								for (var s=0; s<srcs.length; s++) {
+									if (srcs[s].indexOf('format("svg")') > 0) {
+										var urlStart = srcs[s].indexOf('url');
+										var urlEnd = srcs[s].indexOf(')', urlStart);
+										var url = srcs[s].substr(urlStart + 5, urlEnd - urlStart - 6);
+										var doc = svg.parseXml(svg.ajax(url));
+										var fonts = doc.getElementsByTagName('font');
+										for (var f=0; f<fonts.length; f++) {
+											var font = svg.CreateElement(fonts[f]);
+											svg.Definitions[fontFamily] = font;
+										}
+									}
+								}
+							}
+						}
+					}
+				}
+			}
+		}
+		svg.Element.style.prototype = new svg.Element.ElementBase;
+
+		// use element
+		svg.Element.use = function(node) {
+			this.base = svg.Element.RenderedElementBase;
+			this.base(node);
+
+			this.baseSetContext = this.setContext;
+			this.setContext = function(ctx) {
+				this.baseSetContext(ctx);
+				if (this.attribute('x').hasValue()) ctx.translate(this.attribute('x').toPixels('x'), 0);
+				if (this.attribute('y').hasValue()) ctx.translate(0, this.attribute('y').toPixels('y'));
+			}
+
+			var element = this.getHrefAttribute().getDefinition();
+
+			this.path = function(ctx) {
+				if (element != null) element.path(ctx);
+			}
+
+			this.getBoundingBox = function() {
+				if (element != null) return element.getBoundingBox();
+			}
+
+			this.renderChildren = function(ctx) {
+				if (element != null) {
+					var tempSvg = element;
+					if (element.type == 'symbol') {
+						// render me using a temporary svg element in symbol cases (http://www.w3.org/TR/SVG/struct.html#UseElement)
+						tempSvg = new svg.Element.svg();
+						tempSvg.type = 'svg';
+						tempSvg.attributes['viewBox'] = new svg.Property('viewBox', element.attribute('viewBox').value);
+						tempSvg.attributes['preserveAspectRatio'] = new svg.Property('preserveAspectRatio', element.attribute('preserveAspectRatio').value);
+						tempSvg.attributes['overflow'] = new svg.Property('overflow', element.attribute('overflow').value);
+						tempSvg.children = element.children;
+					}
+					if (tempSvg.type == 'svg') {
+						// if symbol or svg, inherit width/height from me
+						if (this.attribute('width').hasValue()) tempSvg.attributes['width'] = new svg.Property('width', this.attribute('width').value);
+						if (this.attribute('height').hasValue()) tempSvg.attributes['height'] = new svg.Property('height', this.attribute('height').value);
+					}
+					var oldParent = tempSvg.parent;
+					tempSvg.parent = null;
+					tempSvg.render(ctx);
+					tempSvg.parent = oldParent;
+				}
+			}
+		}
+		svg.Element.use.prototype = new svg.Element.RenderedElementBase;
+
+		// mask element
+		svg.Element.mask = function(node) {
+			this.base = svg.Element.ElementBase;
+			this.base(node);
+
+			this.apply = function(ctx, element) {
+				// render as temp svg
+				var x = this.attribute('x').toPixels('x');
+				var y = this.attribute('y').toPixels('y');
+				var width = this.attribute('width').toPixels('x');
+				var height = this.attribute('height').toPixels('y');
+
+				if (width == 0 && height == 0) {
+					var bb = new svg.BoundingBox();
+					for (var i=0; i<this.children.length; i++) {
+						bb.addBoundingBox(this.children[i].getBoundingBox());
+					}
+					var x = Math.floor(bb.x1);
+					var y = Math.floor(bb.y1);
+					var width = Math.floor(bb.width());
+					var height = Math.floor(bb.height());
+				}
+
+				// temporarily remove mask to avoid recursion
+				var mask = element.attribute('mask').value;
+				element.attribute('mask').value = '';
+
+					var cMask = createCanvas();
+					cMask.width = x + width;
+					cMask.height = y + height;
+					var maskCtx = cMask.getContext('2d');
+					this.renderChildren(maskCtx);
+
+					var c = createCanvas();
+					c.width = x + width;
+					c.height = y + height;
+					var tempCtx = c.getContext('2d');
+					element.render(tempCtx);
+					tempCtx.globalCompositeOperation = 'destination-in';
+					tempCtx.fillStyle = maskCtx.createPattern(cMask, 'no-repeat');
+					tempCtx.fillRect(0, 0, x + width, y + height);
+
+					ctx.fillStyle = tempCtx.createPattern(c, 'no-repeat');
+					ctx.fillRect(0, 0, x + width, y + height);
+
+				// reassign mask
+				element.attribute('mask').value = mask;
+			}
+
+			this.render = function(ctx) {
+				// NO RENDER
+			}
+		}
+		svg.Element.mask.prototype = new svg.Element.ElementBase;
+
+		// clip element
+		svg.Element.clipPath = function(node) {
+			this.base = svg.Element.ElementBase;
+			this.base(node);
+
+			this.apply = function(ctx) {
+				var hasContext2D = (typeof CanvasRenderingContext2D !== 'undefined');
+				var oldBeginPath = ctx.beginPath;
+				var oldClosePath = ctx.closePath;
+				if (hasContext2D) {
+					CanvasRenderingContext2D.prototype.beginPath = function () { };
+					CanvasRenderingContext2D.prototype.closePath = function () { };
+				}
+
+				oldBeginPath.call(ctx);
+				for (var i=0; i<this.children.length; i++) {
+					var child = this.children[i];
+					if (typeof child.path != 'undefined') {
+						var transform = null;
+						if (child.style('transform', false, true).hasValue()) {
+							transform = new svg.Transform(child.style('transform', false, true).value);
+							transform.apply(ctx);
+						}
+						child.path(ctx);
+						if (hasContext2D) {
+							CanvasRenderingContext2D.prototype.closePath = oldClosePath;
+						}
+						if (transform) { transform.unapply(ctx); }
+					}
+				}
+				oldClosePath.call(ctx);
+				ctx.clip();
+				if (hasContext2D) {
+					CanvasRenderingContext2D.prototype.beginPath = oldBeginPath;
+					CanvasRenderingContext2D.prototype.closePath = oldClosePath;
+				}
+			}
+
+			this.render = function(ctx) {
+				// NO RENDER
+			}
+		}
+		svg.Element.clipPath.prototype = new svg.Element.ElementBase;
+
+		// filters
+		svg.Element.filter = function(node) {
+			this.base = svg.Element.ElementBase;
+			this.base(node);
+
+			this.apply = function(ctx, element) {
+				// render as temp svg
+				var bb = element.getBoundingBox();
+				var x = Math.floor(bb.x1);
+				var y = Math.floor(bb.y1);
+				var width = Math.floor(bb.width());
+				var height = Math.floor(bb.height());
+
+				// temporarily remove filter to avoid recursion
+				var filter = element.style('filter').value;
+				element.style('filter').value = '';
+
+				var px = 0, py = 0;
+				for (var i=0; i<this.children.length; i++) {
+					var efd = this.children[i].extraFilterDistance || 0;
+					px = Math.max(px, efd);
+					py = Math.max(py, efd);
+				}
+
+				var c = createCanvas();
+				c.width = width + 2*px;
+				c.height = height + 2*py;
+				var tempCtx = c.getContext('2d');
+				tempCtx.translate(-x + px, -y + py);
+				element.render(tempCtx);
+
+				// apply filters
+				for (var i=0; i<this.children.length; i++) {
+					if (typeof this.children[i].apply == 'function') {
+						this.children[i].apply(tempCtx, 0, 0, width + 2*px, height + 2*py);
+					}
+				}
+
+				// render on me
+				ctx.drawImage(c, 0, 0, width + 2*px, height + 2*py, x - px, y - py, width + 2*px, height + 2*py);
+
+				// reassign filter
+				element.style('filter', true).value = filter;
+			}
+
+			this.render = function(ctx) {
+				// NO RENDER
+			}
+		}
+		svg.Element.filter.prototype = new svg.Element.ElementBase;
+
+		svg.Element.feMorphology = function(node) {
+			this.base = svg.Element.ElementBase;
+			this.base(node);
+
+			this.apply = function(ctx, x, y, width, height) {
+				// TODO: implement
+			}
+		}
+		svg.Element.feMorphology.prototype = new svg.Element.ElementBase;
+
+		svg.Element.feComposite = function(node) {
+			this.base = svg.Element.ElementBase;
+			this.base(node);
+
+			this.apply = function(ctx, x, y, width, height) {
+				// TODO: implement
+			}
+		}
+		svg.Element.feComposite.prototype = new svg.Element.ElementBase;
+
+		svg.Element.feColorMatrix = function(node) {
+			this.base = svg.Element.ElementBase;
+			this.base(node);
+
+			var matrix = svg.ToNumberArray(this.attribute('values').value);
+			switch (this.attribute('type').valueOrDefault('matrix')) { // http://www.w3.org/TR/SVG/filters.html#feColorMatrixElement
+				case 'saturate':
+					var s = matrix[0];
+					matrix = [0.213+0.787*s,0.715-0.715*s,0.072-0.072*s,0,0,
+							  0.213-0.213*s,0.715+0.285*s,0.072-0.072*s,0,0,
+							  0.213-0.213*s,0.715-0.715*s,0.072+0.928*s,0,0,
+							  0,0,0,1,0,
+							  0,0,0,0,1];
+					break;
+				case 'hueRotate':
+					var a = matrix[0] * Math.PI / 180.0;
+					var c = function (m1,m2,m3) { return m1 + Math.cos(a)*m2 + Math.sin(a)*m3; };
+					matrix = [c(0.213,0.787,-0.213),c(0.715,-0.715,-0.715),c(0.072,-0.072,0.928),0,0,
+							  c(0.213,-0.213,0.143),c(0.715,0.285,0.140),c(0.072,-0.072,-0.283),0,0,
+							  c(0.213,-0.213,-0.787),c(0.715,-0.715,0.715),c(0.072,0.928,0.072),0,0,
+							  0,0,0,1,0,
+							  0,0,0,0,1];
+					break;
+				case 'luminanceToAlpha':
+					matrix = [0,0,0,0,0,
+							  0,0,0,0,0,
+							  0,0,0,0,0,
+							  0.2125,0.7154,0.0721,0,0,
+							  0,0,0,0,1];
+					break;
+			}
+
+			function imGet(img, x, y, width, height, rgba) {
+				return img[y*width*4 + x*4 + rgba];
+			}
+
+			function imSet(img, x, y, width, height, rgba, val) {
+				img[y*width*4 + x*4 + rgba] = val;
+			}
+
+			function m(i, v) {
+				var mi = matrix[i];
+				return mi * (mi < 0 ? v - 255 : v);
+			}
+
+			this.apply = function(ctx, x, y, width, height) {
+				// assuming x==0 && y==0 for now
+				var srcData = ctx.getImageData(0, 0, width, height);
+				for (var y = 0; y < height; y++) {
+					for (var x = 0; x < width; x++) {
+						var r = imGet(srcData.data, x, y, width, height, 0);
+						var g = imGet(srcData.data, x, y, width, height, 1);
+						var b = imGet(srcData.data, x, y, width, height, 2);
+						var a = imGet(srcData.data, x, y, width, height, 3);
+						imSet(srcData.data, x, y, width, height, 0, m(0,r)+m(1,g)+m(2,b)+m(3,a)+m(4,1));
+						imSet(srcData.data, x, y, width, height, 1, m(5,r)+m(6,g)+m(7,b)+m(8,a)+m(9,1));
+						imSet(srcData.data, x, y, width, height, 2, m(10,r)+m(11,g)+m(12,b)+m(13,a)+m(14,1));
+						imSet(srcData.data, x, y, width, height, 3, m(15,r)+m(16,g)+m(17,b)+m(18,a)+m(19,1));
+					}
+				}
+				ctx.clearRect(0, 0, width, height);
+				ctx.putImageData(srcData, 0, 0);
+			}
+		}
+		svg.Element.feColorMatrix.prototype = new svg.Element.ElementBase;
+
+		svg.Element.feGaussianBlur = function(node) {
+			this.base = svg.Element.ElementBase;
+			this.base(node);
+
+			this.blurRadius = Math.floor(this.attribute('stdDeviation').numValue());
+			this.extraFilterDistance = this.blurRadius;
+
+			this.apply = function(ctx, x, y, width, height) {
+				if (typeof stackBlur.canvasRGBA == 'undefined') {
+					svg.log('ERROR: StackBlur.js must be included for blur to work');
+					return;
+				}
+
+				// StackBlur requires canvas be on document
+				ctx.canvas.id = svg.UniqueId();
+				ctx.canvas.style.display = 'none';
+				document.body.appendChild(ctx.canvas);
+				stackBlur.canvasRGBA(ctx.canvas.id, x, y, width, height, this.blurRadius);
+				document.body.removeChild(ctx.canvas);
+			}
+		}
+		svg.Element.feGaussianBlur.prototype = new svg.Element.ElementBase;
+
+		// title element, do nothing
+		svg.Element.title = function(node) {
+		}
+		svg.Element.title.prototype = new svg.Element.ElementBase;
+
+		// desc element, do nothing
+		svg.Element.desc = function(node) {
+		}
+		svg.Element.desc.prototype = new svg.Element.ElementBase;
+
+		svg.Element.MISSING = function(node) {
+			svg.log('ERROR: Element \'' + node.nodeName + '\' not yet implemented.');
+		}
+		svg.Element.MISSING.prototype = new svg.Element.ElementBase;
+
+		// element factory
+		svg.CreateElement = function(node) {
+			var className = node.nodeName.replace(/^[^:]+:/,''); // remove namespace
+			className = className.replace(/\-/g,''); // remove dashes
+			var e = null;
+			if (typeof svg.Element[className] != 'undefined') {
+				e = new svg.Element[className](node);
+			}
+			else {
+				e = new svg.Element.MISSING(node);
+			}
+
+			e.type = node.nodeName;
+			return e;
+		}
+
+		// load from url
+		svg.load = function(ctx, url) {
+			svg.loadXml(ctx, svg.ajax(url));
+		}
+
+		// load from xml
+		svg.loadXml = function(ctx, xml) {
+			svg.loadXmlDoc(ctx, svg.parseXml(xml));
+		}
+
+		svg.loadXmlDoc = function(ctx, dom) {
+			svg.init(ctx);
+
+			var mapXY = function(p) {
+				var e = ctx.canvas;
+				while (e) {
+					p.x -= e.offsetLeft;
+					p.y -= e.offsetTop;
+					e = e.offsetParent;
+				}
+				if (windowEnv.scrollX) p.x += windowEnv.scrollX;
+				if (windowEnv.scrollY) p.y += windowEnv.scrollY;
+				return p;
+			}
+
+			// bind mouse
+			if (svg.opts['ignoreMouse'] != true) {
+				ctx.canvas.onclick = function(e) {
+					var p = mapXY(new svg.Point(e != null ? e.clientX : event.clientX, e != null ? e.clientY : event.clientY));
+					svg.Mouse.onclick(p.x, p.y);
+				};
+				ctx.canvas.onmousemove = function(e) {
+					var p = mapXY(new svg.Point(e != null ? e.clientX : event.clientX, e != null ? e.clientY : event.clientY));
+					svg.Mouse.onmousemove(p.x, p.y);
+				};
+			}
+
+			var e = svg.CreateElement(dom.documentElement);
+			e.root = true;
+			e.addStylesFromStyleDefinition();
+
+			// render loop
+			var isFirstRender = true;
+			var draw = function() {
+				svg.ViewPort.Clear();
+				if (ctx.canvas.parentNode) {
+					svg.ViewPort.SetCurrent(ctx.canvas.parentNode.clientWidth, ctx.canvas.parentNode.clientHeight);
+				} else {
+					svg.ViewPort.SetCurrent(defaultClientWidth, defaultClientHeight);
+				}
+
+				if (svg.opts['ignoreDimensions'] != true) {
+					// set canvas size
+					if (e.style('width').hasValue()) {
+						ctx.canvas.width = e.style('width').toPixels('x');
+						if (ctx.canvas.style) {ctx.canvas.style.width = ctx.canvas.width + 'px';}
+					}
+					if (e.style('height').hasValue()) {
+						ctx.canvas.height = e.style('height').toPixels('y');
+						if (ctx.canvas.style) {ctx.canvas.style.height = ctx.canvas.height + 'px';}
+					}
+				}
+				var cWidth = ctx.canvas.clientWidth || ctx.canvas.width;
+				var cHeight = ctx.canvas.clientHeight || ctx.canvas.height;
+				if (svg.opts['ignoreDimensions'] == true && e.style('width').hasValue() && e.style('height').hasValue()) {
+					cWidth = e.style('width').toPixels('x');
+					cHeight = e.style('height').toPixels('y');
+				}
+				svg.ViewPort.SetCurrent(cWidth, cHeight);
+
+				if (svg.opts['offsetX'] != null) e.attribute('x', true).value = svg.opts['offsetX'];
+				if (svg.opts['offsetY'] != null) e.attribute('y', true).value = svg.opts['offsetY'];
+				if (svg.opts['scaleWidth'] != null || svg.opts['scaleHeight'] != null) {
+					var xRatio = null, yRatio = null, viewBox = svg.ToNumberArray(e.attribute('viewBox').value);
+
+					if (svg.opts['scaleWidth'] != null) {
+						if (e.attribute('width').hasValue()) xRatio = e.attribute('width').toPixels('x') / svg.opts['scaleWidth'];
+						else if (!isNaN(viewBox[2])) xRatio = viewBox[2] / svg.opts['scaleWidth'];
+					}
+
+					if (svg.opts['scaleHeight'] != null) {
+						if (e.attribute('height').hasValue()) yRatio = e.attribute('height').toPixels('y') / svg.opts['scaleHeight'];
+						else if (!isNaN(viewBox[3])) yRatio = viewBox[3] / svg.opts['scaleHeight'];
+					}
+
+					if (xRatio == null) { xRatio = yRatio; }
+					if (yRatio == null) { yRatio = xRatio; }
+
+					e.attribute('width', true).value = svg.opts['scaleWidth'];
+					e.attribute('height', true).value = svg.opts['scaleHeight'];
+					e.style('transform', true, true).value += ' scale('+(1.0/xRatio)+','+(1.0/yRatio)+')';
+				}
+
+				// clear and render
+				if (svg.opts['ignoreClear'] != true) {
+					ctx.clearRect(0, 0, cWidth, cHeight);
+				}
+				e.render(ctx);
+				if (isFirstRender) {
+					isFirstRender = false;
+					if (typeof svg.opts['renderCallback'] == 'function') svg.opts['renderCallback'](dom);
+				}
+			}
+
+			var waitingForImages = true;
+			if (svg.ImagesLoaded()) {
+				waitingForImages = false;
+				draw();
+			}
+			if (!nodeEnv || opts['enableRedraw']) {
+				//In node, in the most cases, we don't need the animation listener.
+				svg.intervalID = setInterval(function() {
+					var needUpdate = false;
+
+					if (waitingForImages && svg.ImagesLoaded()) {
+						waitingForImages = false;
+						needUpdate = true;
+					}
+
+					// need update from mouse events?
+					if (svg.opts['ignoreMouse'] != true) {
+						needUpdate = needUpdate | svg.Mouse.hasEvents();
+					}
+
+					// need update from animations?
+					if (svg.opts['ignoreAnimation'] != true) {
+						for (var i=0; i<svg.Animations.length; i++) {
+							needUpdate = needUpdate | svg.Animations[i].update(1000 / svg.FRAMERATE);
+						}
+					}
+
+					// need update from redraw?
+					if (typeof svg.opts['forceRedraw'] == 'function') {
+						if (svg.opts['forceRedraw']() == true) needUpdate = true;
+					}
+
+					// render if needed
+					if (needUpdate) {
+						draw();
+						svg.Mouse.runEvents(); // run and clear our events
+					}
+				}, 1000 / svg.FRAMERATE);
+			}
+		}
+
+		svg.stop = function() {
+			if (svg.intervalID) {
+				clearInterval(svg.intervalID);
+			}
+		}
+
+		svg.Mouse = new (function() {
+			this.events = [];
+			this.hasEvents = function() { return this.events.length != 0; }
+
+			this.onclick = function(x, y) {
+				this.events.push({ type: 'onclick', x: x, y: y,
+					run: function(e) { if (e.onclick) e.onclick(); }
+				});
+			}
+
+			this.onmousemove = function(x, y) {
+				this.events.push({ type: 'onmousemove', x: x, y: y,
+					run: function(e) { if (e.onmousemove) e.onmousemove(); }
+				});
+			}
+
+			this.eventElements = [];
+
+			this.checkPath = function(element, ctx) {
+				for (var i=0; i<this.events.length; i++) {
+					var e = this.events[i];
+					if (ctx.isPointInPath && ctx.isPointInPath(e.x, e.y)) this.eventElements[i] = element;
+				}
+			}
+
+			this.checkBoundingBox = function(element, bb) {
+				for (var i=0; i<this.events.length; i++) {
+					var e = this.events[i];
+					if (bb.isPointInBox(e.x, e.y)) this.eventElements[i] = element;
+				}
+			}
+
+			this.runEvents = function() {
+				svg.ctx.canvas.style.cursor = '';
+
+				for (var i=0; i<this.events.length; i++) {
+					var e = this.events[i];
+					var element = this.eventElements[i];
+					while (element) {
+						e.run(element);
+						element = element.parent;
+					}
+				}
+
+				// done running, clear
+				this.events = [];
+				this.eventElements = [];
+			}
+		});
+
+		return svg;
+	};
+
+	if (typeof CanvasRenderingContext2D  != 'undefined') {
+		CanvasRenderingContext2D.prototype.drawSvg = function(s, dx, dy, dw, dh, opts) {
+			var cOpts = {
+				ignoreMouse: true,
+				ignoreAnimation: true,
+				ignoreDimensions: true,
+				ignoreClear: true,
+				offsetX: dx,
+				offsetY: dy,
+				scaleWidth: dw,
+				scaleHeight: dh
+			}
+
+			for(var prop in opts) {
+				if(opts.hasOwnProperty(prop)){
+					cOpts[prop] = opts[prop];
+				}
+			}
+			canvg(this.canvas, s, cOpts);
+		}
+	}
+
+	return canvg;
+
+}));