text: /*
   * 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/
   */
  
  define(
  [],
  function()
  {
  
  	(function(){
  		// 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
  		//		 forceRedraw: function => will call the function on every frame, if it returns true, will redraw
  		this.canvg = function (target, s, opts) {
  			// no parameters
  			if (target == null && s == null && opts == null) {
  				var svgTags = document.getElementsByTagName('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;
  			}
  			opts = opts || {};
  
  			if (typeof target == 'string') {
  				target = document.getElementById(target);
  			}
  
  			// store class on canvas
  			if (target.svg != null) target.svg.stop();
  			var svg = build();
  			// on i.e. 8 for flash canvas, we can't assign the property so check for it
  			if (!(target.childNodes.length == 1 && target.childNodes[0].nodeName == 'OBJECT')) target.svg = svg;
  			svg.opts = opts;
  
  			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);
  			}
  		}
  
  		function build() {
  			var svg = { };
  
  			svg.FRAMERATE = 30;
  			svg.MAX_VIRTUAL_PIXELS = 30000;
  
  			// globals
  			svg.init = function(ctx) {
  				var uniqueId = 0;
  				svg.UniqueId = function () { uniqueId++; return 'canvg' + uniqueId;	};
  				svg.Definitions = {};
  				svg.Styles = {};
  				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) {
  				var AJAX;
  				if(window.XMLHttpRequest){AJAX=new 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 (window.DOMParser)
  				{
  					var parser = new 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(opacity) {
  						var newValue = this.value;
  						if (opacity != null && opacity != '' && 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 + ', ' + opacity + ')';
  							}
  						}
  						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.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;
  					}
  
  				// 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);
  					}
  
  			// 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 (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.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(/\)(\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 transform = new this.Type[type](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.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.match(/:href$/)) {
  							return this.attributes[a];
  						}
  					}
  					return svg.EmptyProperty;
  				}
  
  				// get or create style, crawls up node tree
  				this.style = function(name, createIfNotExists) {
  					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;
  					}
  
  					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.attribute('visibility').value == 'hidden') return;
  
  					ctx.save();
  					if (this.attribute('mask').hasValue()) { // mask
  						var mask = this.attribute('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;
  					this.children.push(child);
  				}
  
  				if (node != null && node.nodeType == 1) { //ELEMENT_NODE
  					// 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) {
  							var text = childNode.nodeValue || childNode.text || '';
  							if (svg.trim(svg.compressSpaces(text)) != '') {
  								this.addChild(new svg.Element.tspan(childNode), false); // TEXT_NODE
  							}
  						}
  					}
  
  					// add attributes
  					for (var i=0; i<node.attributes.length; i++) {
  						var attribute = node.attributes[i];
  						this.attributes[attribute.nodeName] = new svg.Property(attribute.nodeName, attribute.nodeValue);
  					}
  
  					// add tag styles
  					var styles = svg.Styles[node.nodeName];
  					if (styles != null) {
  						for (var name in styles) {
  							this.styles[name] = styles[name];
  						}
  					}
  
  					// add class styles
  					if (this.attribute('class').hasValue()) {
  						var classes = svg.compressSpaces(this.attribute('class').value).split(' ');
  						for (var j=0; j<classes.length; j++) {
  							styles = svg.Styles['.'+classes[j]];
  							if (styles != null) {
  								for (var name in styles) {
  									this.styles[name] = styles[name];
  								}
  							}
  							styles = svg.Styles[node.nodeName+'.'+classes[j]];
  							if (styles != null) {
  								for (var name in styles) {
  									this.styles[name] = styles[name];
  								}
  							}
  						}
  					}
  
  					// add id styles
  					if (this.attribute('id').hasValue()) {
  						var styles = svg.Styles['#' + this.attribute('id').value];
  						if (styles != null) {
  							for (var name in styles) {
  								this.styles[name] = styles[name];
  							}
  						}
  					}
  
  					// 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;
  						}
  					}
  				}
  			}
  
  			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;
  						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').value);
  						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;
  						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').value);
  						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('stroke-dasharray').hasValue()) {
  						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') { 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; }
  					}
  
  					// transform
  					if (this.attribute('transform').hasValue()) {
  						var transform = new svg.Transform(this.attribute('transform').value);
  						transform.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.attribute('fill-rule').hasValue()) { ctx.fill(this.attribute('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
  					ctx.strokeStyle = 'rgba(0,0,0,0)';
  					ctx.lineCap = 'butt';
  					ctx.lineJoin = 'miter';
  					ctx.miterLimit = 4;
  
  					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');
  						}
  
  						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])]);
  					}
  					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
  				d = d.replace(/([MmZzLlHhVvCcSsQqTtAa])([MmZzLlHhVvCcSsQqTtAa])/gm,'$1 $2'); // separate commands from commands
  				d = d.replace(/([MmZzLlHhVvCcSsQqTtAa])([MmZzLlHhVvCcSsQqTtAa])/gm,'$1 $2'); // separate commands from commands
  				d = d.replace(/([MmZzLlHhVvCcSsQqTtAa])([^\s])/gm,'$1 $2'); // separate commands from points
  				d = d.replace(/([^\s])([MmZzLlHhVvCcSsQqTtAa])/gm,'$1 $2'); // separate commands from points
  				d = d.replace(/([0-9])([+\-])/gm,'$1 $2'); // separate digits when no comma
  				d = d.replace(/(\.[0-9]*)(\.)/gm,'$1 $2'); // separate digits when no 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;
  
  			// 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;
  
  			// 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;
  
  			// 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].nodeValue;
  				}
  				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 = {};
  								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.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'));
  				}
  
  				this.getDefinition = function() {
  					var element = this.getHrefAttribute().getDefinition();
  					if (this.attribute('width').hasValue()) element.attribute('width', true).value = this.attribute('width').value;
  					if (this.attribute('height').hasValue()) element.attribute('height', true).value = this.attribute('height').value;
  					return element;
  				}
  
  				this.path = function(ctx) {
  					var element = this.getDefinition();
  					if (element != null) element.path(ctx);
  				}
  
  				this.getBoundingBox = function() {
  					var element = this.getDefinition();
  					if (element != null) return element.getBoundingBox();
  				}
  
  				this.renderChildren = function(ctx) {
  					var element = this.getDefinition();
  					if (element != null) {
  						// temporarily detach from parent and render
  						var oldParent = element.parent;
  						element.parent = null;
  						element.render(ctx);
  						element.parent = oldParent;
  					}
  				}
  			}
  			svg.Element.use.prototype = new svg.Element.RenderedElementBase;
  
  			svg.Element.MISSING = function(node) {
  				if (typeof(console) != 'undefined') { console.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 (window.scrollX) p.x += window.scrollX;
  					if (window.scrollY) p.y += window.scrollY;
  					return p;
  				}
  
  				var e = svg.CreateElement(dom.documentElement);
  				e.root = true;
  
  				// 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);
  
  					if (svg.opts['ignoreDimensions'] != true) {
  						// set canvas size
  						if (e.style('width').hasValue()) {
  							ctx.canvas.width = e.style('width').toPixels('x');
  							ctx.canvas.style.width = ctx.canvas.width + 'px';
  						}
  						if (e.style('height').hasValue()) {
  							ctx.canvas.height = e.style('height').toPixels('y');
  							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 = 1, yRatio = 1, viewBox = svg.ToNumberArray(e.attribute('viewBox').value);
  						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 (e.attribute('height').hasValue()) yRatio = e.attribute('height').toPixels('y') / svg.opts['scaleHeight'];
  						else if (!isNaN(viewBox[3])) yRatio = viewBox[3] / svg.opts['scaleHeight'];
  
  						e.attribute('width', true).value = svg.opts['scaleWidth'];
  						e.attribute('height', true).value = svg.opts['scaleHeight'];
  						e.attribute('viewBox', true).value = '0 0 ' + (cWidth * xRatio) + ' ' + (cHeight * yRatio);
  						e.attribute('preserveAspectRatio', true).value = 'none';
  					}
  
  					// 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();
  				}
  			}
  
  
  			svg.Mouse = new (function() {
  				this.events = [];
  
  				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;
  					}
  				}
  			});
  
  			return svg;
  		}
  	})();
  
  	if (typeof(CanvasRenderingContext2D) != 'undefined') {
  		CanvasRenderingContext2D.prototype.drawSvg = function(s, dx, dy, dw, dh) {
  			canvg(this.canvas, s, {
  				ignoreMouse: true,
  				ignoreAnimation: true,
  				ignoreDimensions: true,
  				ignoreClear: true,
  				offsetX: dx,
  				offsetY: dy,
  				scaleWidth: dw,
  				scaleHeight: dh
  			});
  		}
  	}
  });
  