--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/client/src/main/webapp/jquery/svg/jquery.svg.js	Tue Apr 19 18:44:25 2011 +0200
@@ -0,0 +1,1339 @@
+/* http://keith-wood.name/svg.html
+   SVG for jQuery v1.4.3.
+   Written by Keith Wood (kbwood{at}iinet.com.au) August 2007.
+   Dual licensed under the GPL (http://dev.jquery.com/browser/trunk/jquery/GPL-LICENSE.txt) and 
+   MIT (http://dev.jquery.com/browser/trunk/jquery/MIT-LICENSE.txt) licenses. 
+   Please attribute the author if you use it. */
+
+(function($) { // Hide scope, no $ conflict
+
+/* SVG manager.
+   Use the singleton instance of this class, $.svg, 
+   to interact with the SVG functionality. */
+function SVGManager() {
+	this._settings = []; // Settings to be remembered per SVG object
+	this._extensions = []; // List of SVG extensions added to SVGWrapper
+		// for each entry [0] is extension name, [1] is extension class (function)
+		// the function takes one parameter - the SVGWrapper instance
+	this.regional = []; // Localisations, indexed by language, '' for default (English)
+	this.regional[''] = {errorLoadingText: 'Error loading',
+		notSupportedText: 'This browser does not support SVG'};
+	this.local = this.regional['']; // Current localisation
+	this._uuid = new Date().getTime();
+	this._renesis = detectActiveX('RenesisX.RenesisCtrl');
+}
+
+/* Determine whether a given ActiveX control is available.
+   @param  classId  (string) the ID for the ActiveX control
+   @return  (boolean) true if found, false if not */
+function detectActiveX(classId) {
+	try {
+		return !!(window.ActiveXObject && new ActiveXObject(classId));
+	}
+	catch (e) {
+		return false;
+	}
+}
+
+var PROP_NAME = 'svgwrapper';
+
+$.extend(SVGManager.prototype, {
+	/* Class name added to elements to indicate already configured with SVG. */
+	markerClassName: 'hasSVG',
+
+	/* SVG namespace. */
+	svgNS: 'http://www.w3.org/2000/svg',
+	/* XLink namespace. */
+	xlinkNS: 'http://www.w3.org/1999/xlink',
+
+	/* SVG wrapper class. */
+	_wrapperClass: SVGWrapper,
+
+	/* Camel-case versions of attribute names containing dashes or are reserved words. */
+	_attrNames: {class_: 'class', in_: 'in',
+		alignmentBaseline: 'alignment-baseline', baselineShift: 'baseline-shift',
+		clipPath: 'clip-path', clipRule: 'clip-rule',
+		colorInterpolation: 'color-interpolation',
+		colorInterpolationFilters: 'color-interpolation-filters',
+		colorRendering: 'color-rendering', dominantBaseline: 'dominant-baseline',
+		enableBackground: 'enable-background', fillOpacity: 'fill-opacity',
+		fillRule: 'fill-rule', floodColor: 'flood-color',
+		floodOpacity: 'flood-opacity', fontFamily: 'font-family',
+		fontSize: 'font-size', fontSizeAdjust: 'font-size-adjust',
+		fontStretch: 'font-stretch', fontStyle: 'font-style',
+		fontVariant: 'font-variant', fontWeight: 'font-weight',
+		glyphOrientationHorizontal: 'glyph-orientation-horizontal',
+		glyphOrientationVertical: 'glyph-orientation-vertical',
+		horizAdvX: 'horiz-adv-x', horizOriginX: 'horiz-origin-x',
+		imageRendering: 'image-rendering', letterSpacing: 'letter-spacing',
+		lightingColor: 'lighting-color', markerEnd: 'marker-end',
+		markerMid: 'marker-mid', markerStart: 'marker-start',
+		stopColor: 'stop-color', stopOpacity: 'stop-opacity',
+		strikethroughPosition: 'strikethrough-position',
+		strikethroughThickness: 'strikethrough-thickness',
+		strokeDashArray: 'stroke-dasharray', strokeDashOffset: 'stroke-dashoffset',
+		strokeLineCap: 'stroke-linecap', strokeLineJoin: 'stroke-linejoin',
+		strokeMiterLimit: 'stroke-miterlimit', strokeOpacity: 'stroke-opacity',
+		strokeWidth: 'stroke-width', textAnchor: 'text-anchor',
+		textDecoration: 'text-decoration', textRendering: 'text-rendering',
+		underlinePosition: 'underline-position', underlineThickness: 'underline-thickness',
+		vertAdvY: 'vert-adv-y', vertOriginY: 'vert-origin-y',
+		wordSpacing: 'word-spacing', writingMode: 'writing-mode'},
+
+	/* Add the SVG object to its container. */
+	_attachSVG: function(container, settings) {
+		var svg = (container.namespaceURI == this.svgNS ? container : null);
+		var container = (svg ? null : container);
+		if ($(container || svg).hasClass(this.markerClassName)) {
+			return;
+		}
+		if (typeof settings == 'string') {
+			settings = {loadURL: settings};
+		}
+		else if (typeof settings == 'function') {
+			settings = {onLoad: settings};
+		}
+		$(container || svg).addClass(this.markerClassName);
+		try {
+			if (!svg) {
+				svg = document.createElementNS(this.svgNS, 'svg');
+				svg.setAttribute('version', '1.1');
+				svg.setAttribute('width', container.clientWidth);
+				svg.setAttribute('height', container.clientHeight);
+				container.appendChild(svg);
+			}
+			this._afterLoad(container, svg, settings || {});
+		}
+		catch (e) {
+			if ($.browser.msie) {
+				if (!container.id) {
+					container.id = 'svg' + (this._uuid++);
+				}
+				this._settings[container.id] = settings;
+				container.innerHTML = '<embed type="image/svg+xml" width="100%" ' +
+					'height="100%" src="' + (settings.initPath || '') + 'blank.svg"/>';
+			}
+			else {
+				container.innerHTML = '<p class="svg_error">' +
+					this.local.notSupportedText + '</p>';
+			}
+		}
+	},
+
+	/* SVG callback after loading - register SVG root. */
+	_registerSVG: function() {
+		for (var i = 0; i < document.embeds.length; i++) { // Check all
+			var container = document.embeds[i].parentNode;
+			if (!$(container).hasClass($.svg.markerClassName) || // Not SVG
+					$.data(container, PROP_NAME)) { // Already done
+				continue;
+			}
+			var svg = null;
+			try {
+				svg = document.embeds[i].getSVGDocument();
+			}
+			catch(e) {
+				setTimeout($.svg._registerSVG, 250); // Renesis takes longer to load
+				return;
+			}
+			svg = (svg ? svg.documentElement : null);
+			if (svg) {
+				$.svg._afterLoad(container, svg);
+			}
+		}
+	},
+
+	/* Post-processing once loaded. */
+	_afterLoad: function(container, svg, settings) {
+		var settings = settings || this._settings[container.id];
+		this._settings[container ? container.id : ''] = null;
+		var wrapper = new this._wrapperClass(svg, container);
+		$.data(container || svg, PROP_NAME, wrapper);
+		try {
+			if (settings.loadURL) { // Load URL
+				wrapper.load(settings.loadURL, settings);
+			}
+			if (settings.settings) { // Additional settings
+				wrapper.configure(settings.settings);
+			}
+			if (settings.onLoad && !settings.loadURL) { // Onload callback
+				settings.onLoad.apply(container || svg, [wrapper]);
+			}
+		}
+		catch (e) {
+			alert(e);
+		}
+	},
+
+	/* Return the SVG wrapper created for a given container.
+	   @param  container  (string) selector for the container or
+	                      (element) the container for the SVG object or
+	                      jQuery collection - first entry is the container
+	   @return  (SVGWrapper) the corresponding SVG wrapper element, or null if not attached */
+	_getSVG: function(container) {
+		container = (typeof container == 'string' ? $(container)[0] :
+			(container.jquery ? container[0] : container));
+		return $.data(container, PROP_NAME);
+	},
+
+	/* Remove the SVG functionality from a div.
+	   @param  container  (element) the container for the SVG object */
+	_destroySVG: function(container) {
+		var $container = $(container);
+		if (!$container.hasClass(this.markerClassName)) {
+			return;
+		}
+		$container.removeClass(this.markerClassName);
+		if (container.namespaceURI != this.svgNS) {
+			$container.empty();
+		}
+		$.removeData(container, PROP_NAME);
+	},
+
+	/* Extend the SVGWrapper object with an embedded class.
+	   The constructor function must take a single parameter that is
+	   a reference to the owning SVG root object. This allows the 
+	   extension to access the basic SVG functionality.
+	   @param  name      (string) the name of the SVGWrapper attribute to access the new class
+	   @param  extClass  (function) the extension class constructor */
+	addExtension: function(name, extClass) {
+		this._extensions.push([name, extClass]);
+	}
+});
+
+/* The main SVG interface, which encapsulates the SVG element.
+   Obtain a reference from $().svg('get') */
+function SVGWrapper(svg, container) {
+	this._svg = svg; // The SVG root node
+	this._container = container; // The containing div
+	for (var i = 0; i < $.svg._extensions.length; i++) {
+		var extension = $.svg._extensions[i];
+		this[extension[0]] = new extension[1](this);
+	}
+}
+
+$.extend(SVGWrapper.prototype, {
+
+	/* Retrieve the width of the SVG object. */
+	_width: function() {
+		return (this._container ? this._container.clientWidth : this._svg.width);
+	},
+
+	/* Retrieve the height of the SVG object. */
+	_height: function() {
+		return (this._container ? this._container.clientHeight : this._svg.height);
+	},
+
+	/* Retrieve the root SVG element.
+	   @return  the top-level SVG element */
+	root: function() {
+		return this._svg;
+	},
+
+	/* Configure the SVG root.
+	   @param  settings  (object) additional settings for the root
+	   @param  clear     (boolean) true to remove existing attributes first,
+	                     false to add to what is already there (optional)
+	   @return  (SVGWrapper) this root */
+	configure: function(settings, clear) {
+		if (clear) {
+			for (var i = this._svg.attributes.length - 1; i >= 0; i--) {
+				var attr = this._svg.attributes.item(i);
+				if (!(attr.nodeName == 'onload' || attr.nodeName == 'version' || 
+						attr.nodeName.substring(0, 5) == 'xmlns')) {
+					this._svg.attributes.removeNamedItem(attr.nodeName);
+				}
+			}
+		}
+		for (var attrName in settings) {
+			this._svg.setAttribute(attrName, settings[attrName]);
+		}
+		return this;
+	},
+
+	/* Locate a specific element in the SVG document.
+	   @param  id  (string) the element's identifier
+	   @return  (element) the element reference, or null if not found */
+	getElementById: function(id) {
+		return this._svg.ownerDocument.getElementById(id);
+	},
+
+	/* Change the attributes for a SVG node.
+	   @param  element   (SVG element) the node to change
+	   @param  settings  (object) the new settings
+	   @return  (SVGWrapper) this root */
+	change: function(element, settings) {
+		if (element) {
+			for (var name in settings) {
+				if (settings[name] == null) {
+					element.removeAttribute(name);
+				}
+				else {
+					element.setAttribute(name, settings[name]);
+				}
+			}
+		}
+		return this;
+	},
+
+	/* Check for parent being absent and adjust arguments accordingly. */
+	_args: function(values, names, optSettings) {
+		names.splice(0, 0, 'parent');
+		names.splice(names.length, 0, 'settings');
+		var args = {};
+		var offset = 0;
+		if (values[0] != null && values[0].jquery) {
+			values[0] = values[0][0];
+		}
+		if (values[0] != null && !(typeof values[0] == 'object' && values[0].nodeName)) {
+			args['parent'] = null;
+			offset = 1;
+		}
+		for (var i = 0; i < values.length; i++) {
+			args[names[i + offset]] = values[i];
+		}
+		if (optSettings) {
+			$.each(optSettings, function(i, value) {
+				if (typeof args[value] == 'object') {
+					args.settings = args[value];
+					args[value] = null;
+				}
+			});
+		}
+		return args;
+	},
+
+	/* Add a title.
+	   @param  parent    (element or jQuery) the parent node for the new title (optional)
+	   @param  text      (string) the text of the title
+	   @param  settings  (object) additional settings for the title (optional)
+	   @return  (element) the new title node */
+	title: function(parent, text, settings) {
+		var args = this._args(arguments, ['text']);
+		var node = this._makeNode(args.parent, 'title', args.settings || {});
+		node.appendChild(this._svg.ownerDocument.createTextNode(args.text));
+		return node;
+	},
+
+	/* Add a description.
+	   @param  parent    (element or jQuery) the parent node for the new description (optional)
+	   @param  text      (string) the text of the description
+	   @param  settings  (object) additional settings for the description (optional)
+	   @return  (element) the new description node */
+	describe: function(parent, text, settings) {
+		var args = this._args(arguments, ['text']);
+		var node = this._makeNode(args.parent, 'desc', args.settings || {});
+		node.appendChild(this._svg.ownerDocument.createTextNode(args.text));
+		return node;
+	},
+
+	/* Add a definitions node.
+	   @param  parent    (element or jQuery) the parent node for the new definitions (optional)
+	   @param  id        (string) the ID of this definitions (optional)
+	   @param  settings  (object) additional settings for the definitions (optional)
+	   @return  (element) the new definitions node */
+	defs: function(parent, id, settings) {
+		var args = this._args(arguments, ['id'], ['id']);
+		return this._makeNode(args.parent, 'defs', $.extend(
+			(args.id ? {id: args.id} : {}), args.settings || {}));
+	},
+
+	/* Add a symbol definition.
+	   @param  parent    (element or jQuery) the parent node for the new symbol (optional)
+	   @param  id        (string) the ID of this symbol
+	   @param  x1        (number) the left coordinate for this symbol
+	   @param  y1        (number) the top coordinate for this symbol
+	   @param  width     (number) the width of this symbol
+	   @param  height    (number) the height of this symbol
+	   @param  settings  (object) additional settings for the symbol (optional)
+	   @return  (element) the new symbol node */
+	symbol: function(parent, id, x1, y1, width, height, settings) {
+		var args = this._args(arguments, ['id', 'x1', 'y1', 'width', 'height']);
+		return this._makeNode(args.parent, 'symbol', $.extend({id: args.id,
+			viewBox: args.x1 + ' ' + args.y1 + ' ' + args.width + ' ' + args.height},
+			args.settings || {}));
+	},
+
+	/* Add a marker definition.
+	   @param  parent    (element or jQuery) the parent node for the new marker (optional)
+	   @param  id        (string) the ID of this marker
+	   @param  refX      (number) the x-coordinate for the reference point
+	   @param  refY      (number) the y-coordinate for the reference point
+	   @param  mWidth    (number) the marker viewport width
+	   @param  mHeight   (number) the marker viewport height
+	   @param  orient    (string or int) 'auto' or angle (degrees) (optional)
+	   @param  settings  (object) additional settings for the marker (optional)
+	   @return  (element) the new marker node */
+	marker: function(parent, id, refX, refY, mWidth, mHeight, orient, settings) {
+		var args = this._args(arguments, ['id', 'refX', 'refY',
+			'mWidth', 'mHeight', 'orient'], ['orient']);
+		return this._makeNode(args.parent, 'marker', $.extend(
+			{id: args.id, refX: args.refX, refY: args.refY, markerWidth: args.mWidth, 
+			markerHeight: args.mHeight, orient: args.orient || 'auto'}, args.settings || {}));
+	},
+
+	/* Add a style node.
+	   @param  parent    (element or jQuery) the parent node for the new node (optional)
+	   @param  styles    (string) the CSS styles
+	   @param  settings  (object) additional settings for the node (optional)
+	   @return  (element) the new style node */
+	style: function(parent, styles, settings) {
+		var args = this._args(arguments, ['styles']);
+		var node = this._makeNode(args.parent, 'style', $.extend(
+			{type: 'text/css'}, args.settings || {}));
+		node.appendChild(this._svg.ownerDocument.createTextNode(args.styles));
+		if ($.browser.opera) {
+			$('head').append('<style type="text/css">' + args.styles + '</style>');
+		}
+		return node;
+	},
+
+	/* Add a script node.
+	   @param  parent    (element or jQuery) the parent node for the new node (optional)
+	   @param  script    (string) the JavaScript code
+	   @param  type      (string) the MIME type for the code (optional, default 'text/javascript')
+	   @param  settings  (object) additional settings for the node (optional)
+	   @return  (element) the new script node */
+	script: function(parent, script, type, settings) {
+		var args = this._args(arguments, ['script', 'type'], ['type']);
+		var node = this._makeNode(args.parent, 'script', $.extend(
+			{type: args.type || 'text/javascript'}, args.settings || {}));
+		node.appendChild(this._svg.ownerDocument.createTextNode(this._escapeXML(args.script)));
+		if (!$.browser.mozilla) {
+			$.globalEval(args.script);
+		}
+		return node;
+	},
+
+	/* Add a linear gradient definition.
+	   Specify all of x1, y1, x2, y2 or none of them.
+	   @param  parent    (element or jQuery) the parent node for the new gradient (optional)
+	   @param  id        (string) the ID for this gradient
+	   @param  stops     (string[][]) the gradient stops, each entry is
+	                     [0] is offset (0.0-1.0 or 0%-100%), [1] is colour, 
+						 [2] is opacity (optional)
+	   @param  x1        (number) the x-coordinate of the gradient start (optional)
+	   @param  y1        (number) the y-coordinate of the gradient start (optional)
+	   @param  x2        (number) the x-coordinate of the gradient end (optional)
+	   @param  y2        (number) the y-coordinate of the gradient end (optional)
+	   @param  settings  (object) additional settings for the gradient (optional)
+	   @return  (element) the new gradient node */
+	linearGradient: function(parent, id, stops, x1, y1, x2, y2, settings) {
+		var args = this._args(arguments,
+			['id', 'stops', 'x1', 'y1', 'x2', 'y2'], ['x1']);
+		var sets = $.extend({id: args.id}, 
+			(args.x1 != null ? {x1: args.x1, y1: args.y1, x2: args.x2, y2: args.y2} : {}));
+		return this._gradient(args.parent, 'linearGradient', 
+			$.extend(sets, args.settings || {}), args.stops);
+	},
+
+	/* Add a radial gradient definition.
+	   Specify all of cx, cy, r, fx, fy or none of them.
+	   @param  parent    (element or jQuery) the parent node for the new gradient (optional)
+	   @param  id        (string) the ID for this gradient
+	   @param  stops     (string[][]) the gradient stops, each entry
+	                     [0] is offset, [1] is colour, [2] is opacity (optional)
+	   @param  cx        (number) the x-coordinate of the largest circle centre (optional)
+	   @param  cy        (number) the y-coordinate of the largest circle centre (optional)
+	   @param  r         (number) the radius of the largest circle (optional)
+	   @param  fx        (number) the x-coordinate of the gradient focus (optional)
+	   @param  fy        (number) the y-coordinate of the gradient focus (optional)
+	   @param  settings  (object) additional settings for the gradient (optional)
+	   @return  (element) the new gradient node */
+	radialGradient: function(parent, id, stops, cx, cy, r, fx, fy, settings) {
+		var args = this._args(arguments,
+			['id', 'stops', 'cx', 'cy', 'r', 'fx', 'fy'], ['cx']);
+		var sets = $.extend({id: args.id}, (args.cx != null ?
+			{cx: args.cx, cy: args.cy, r: args.r, fx: args.fx, fy: args.fy} : {}));
+		return this._gradient(args.parent, 'radialGradient', 
+			$.extend(sets, args.settings || {}), args.stops);
+	},
+
+	/* Add a gradient node. */
+	_gradient: function(parent, name, settings, stops) {
+		var node = this._makeNode(parent, name, settings);
+		for (var i = 0; i < stops.length; i++) {
+			var stop = stops[i];
+			this._makeNode(node, 'stop', $.extend(
+				{offset: stop[0], stopColor: stop[1]}, 
+				(stop[2] != null ? {stopOpacity: stop[2]} : {})));
+		}
+		return node;
+	},
+
+	/* Add a pattern definition.
+	   Specify all of vx, vy, xwidth, vheight or none of them.
+	   @param  parent    (element or jQuery) the parent node for the new pattern (optional)
+	   @param  id        (string) the ID for this pattern
+	   @param  x         (number) the x-coordinate for the left edge of the pattern
+	   @param  y         (number) the y-coordinate for the top edge of the pattern
+	   @param  width     (number) the width of the pattern
+	   @param  height    (number) the height of the pattern
+	   @param  vx        (number) the minimum x-coordinate for view box (optional)
+	   @param  vy        (number) the minimum y-coordinate for the view box (optional)
+	   @param  vwidth    (number) the width of the view box (optional)
+	   @param  vheight   (number) the height of the view box (optional)
+	   @param  settings  (object) additional settings for the pattern (optional)
+	   @return  (element) the new pattern node */
+	pattern: function(parent, id, x, y, width, height, vx, vy, vwidth, vheight, settings) {
+		var args = this._args(arguments, ['id', 'x', 'y', 'width', 'height',
+			'vx', 'vy', 'vwidth', 'vheight'], ['vx']);
+		var sets = $.extend({id: args.id, x: args.x, y: args.y,
+			width: args.width, height: args.height}, (args.vx != null ?
+			{viewBox: args.vx + ' ' + args.vy + ' ' + args.vwidth + ' ' + args.vheight} : {}));
+		return this._makeNode(args.parent, 'pattern', $.extend(sets, args.settings || {}));
+	},
+
+	/* Add a mask definition.
+	   @param  parent    (element or jQuery) the parent node for the new mask (optional)
+	   @param  id        (string) the ID for this mask
+	   @param  x         (number) the x-coordinate for the left edge of the mask
+	   @param  y         (number) the y-coordinate for the top edge of the mask
+	   @param  width     (number) the width of the mask
+	   @param  height    (number) the height of the mask
+	   @param  settings  (object) additional settings for the mask (optional)
+	   @return  (element) the new mask node */
+	mask: function(parent, id, x, y, width, height, settings) {
+		var args = this._args(arguments, ['id', 'x', 'y', 'width', 'height']);
+		return this._makeNode(args.parent, 'mask', $.extend(
+			{id: args.id, x: args.x, y: args.y, width: args.width, height: args.height},
+			args.settings || {}));
+	},
+
+	/* Create a new path object.
+	   @return  (SVGPath) a new path object */
+	createPath: function() {
+		return new SVGPath();
+	},
+
+	/* Create a new text object.
+	   @return  (SVGText) a new text object */
+	createText: function() {
+		return new SVGText();
+	},
+
+	/* Add an embedded SVG element.
+	   Specify all of vx, vy, vwidth, vheight or none of them.
+	   @param  parent    (element or jQuery) the parent node for the new node (optional)
+	   @param  x         (number) the x-coordinate for the left edge of the node
+	   @param  y         (number) the y-coordinate for the top edge of the node
+	   @param  width     (number) the width of the node
+	   @param  height    (number) the height of the node
+	   @param  vx        (number) the minimum x-coordinate for view box (optional)
+	   @param  vy        (number) the minimum y-coordinate for the view box (optional)
+	   @param  vwidth    (number) the width of the view box (optional)
+	   @param  vheight   (number) the height of the view box (optional)
+	   @param  settings  (object) additional settings for the node (optional)
+	   @return  (element) the new node */
+	svg: function(parent, x, y, width, height, vx, vy, vwidth, vheight, settings) {
+		var args = this._args(arguments, ['x', 'y', 'width', 'height',
+			'vx', 'vy', 'vwidth', 'vheight'], ['vx']);
+		var sets = $.extend({x: args.x, y: args.y, width: args.width, height: args.height}, 
+			(args.vx != null ? {viewBox: args.vx + ' ' + args.vy + ' ' +
+			args.vwidth + ' ' + args.vheight} : {}));
+		return this._makeNode(args.parent, 'svg', $.extend(sets, args.settings || {}));
+	},
+
+	/* Create a group.
+	   @param  parent    (element or jQuery) the parent node for the new group (optional)
+	   @param  id        (string) the ID of this group (optional)
+	   @param  settings  (object) additional settings for the group (optional)
+	   @return  (element) the new group node */
+	group: function(parent, id, settings) {
+		var args = this._args(arguments, ['id'], ['id']);
+		return this._makeNode(args.parent, 'g', $.extend({id: args.id}, args.settings || {}));
+	},
+
+	/* Add a usage reference.
+	   Specify all of x, y, width, height or none of them.
+	   @param  parent    (element or jQuery) the parent node for the new node (optional)
+	   @param  x         (number) the x-coordinate for the left edge of the node (optional)
+	   @param  y         (number) the y-coordinate for the top edge of the node (optional)
+	   @param  width     (number) the width of the node (optional)
+	   @param  height    (number) the height of the node (optional)
+	   @param  ref       (string) the ID of the definition node
+	   @param  settings  (object) additional settings for the node (optional)
+	   @return  (element) the new node */
+	use: function(parent, x, y, width, height, ref, settings) {
+		var args = this._args(arguments, ['x', 'y', 'width', 'height', 'ref']);
+		if (typeof args.x == 'string') {
+			args.ref = args.x;
+			args.settings = args.y;
+			args.x = args.y = args.width = args.height = null;
+		}
+		var node = this._makeNode(args.parent, 'use', $.extend(
+			{x: args.x, y: args.y, width: args.width, height: args.height},
+			args.settings || {}));
+		node.setAttributeNS($.svg.xlinkNS, 'href', args.ref);
+		return node;
+	},
+
+	/* Add a link, which applies to all child elements.
+	   @param  parent    (element or jQuery) the parent node for the new link (optional)
+	   @param  ref       (string) the target URL
+	   @param  settings  (object) additional settings for the link (optional)
+	   @return  (element) the new link node */
+	link: function(parent, ref, settings) {
+		var args = this._args(arguments, ['ref']);
+		var node = this._makeNode(args.parent, 'a', args.settings);
+		node.setAttributeNS($.svg.xlinkNS, 'href', args.ref);
+		return node;
+	},
+
+	/* Add an image.
+	   @param  parent    (element or jQuery) the parent node for the new image (optional)
+	   @param  x         (number) the x-coordinate for the left edge of the image
+	   @param  y         (number) the y-coordinate for the top edge of the image
+	   @param  width     (number) the width of the image
+	   @param  height    (number) the height of the image
+	   @param  ref       (string) the path to the image
+	   @param  settings  (object) additional settings for the image (optional)
+	   @return  (element) the new image node */
+	image: function(parent, x, y, width, height, ref, settings) {
+		var args = this._args(arguments, ['x', 'y', 'width', 'height', 'ref']);
+		var node = this._makeNode(args.parent, 'image', $.extend(
+			{x: args.x, y: args.y, width: args.width, height: args.height},
+			args.settings || {}));
+		node.setAttributeNS($.svg.xlinkNS, 'href', args.ref);
+		return node;
+	},
+
+	/* Draw a path.
+	   @param  parent    (element or jQuery) the parent node for the new shape (optional)
+	   @param  path      (string or SVGPath) the path to draw
+	   @param  settings  (object) additional settings for the shape (optional)
+	   @return  (element) the new shape node */
+	path: function(parent, path, settings) {
+		var args = this._args(arguments, ['path']);
+		return this._makeNode(args.parent, 'path', $.extend(
+			{d: (args.path.path ? args.path.path() : args.path)}, args.settings || {}));
+	},
+
+	/* Draw a rectangle.
+	   Specify both of rx and ry or neither.
+	   @param  parent    (element or jQuery) the parent node for the new shape (optional)
+	   @param  x         (number) the x-coordinate for the left edge of the rectangle
+	   @param  y         (number) the y-coordinate for the top edge of the rectangle
+	   @param  width     (number) the width of the rectangle
+	   @param  height    (number) the height of the rectangle
+	   @param  rx        (number) the x-radius of the ellipse for the rounded corners (optional)
+	   @param  ry        (number) the y-radius of the ellipse for the rounded corners (optional)
+	   @param  settings  (object) additional settings for the shape (optional)
+	   @return  (element) the new shape node */
+	rect: function(parent, x, y, width, height, rx, ry, settings) {
+		var args = this._args(arguments, ['x', 'y', 'width', 'height', 'rx', 'ry'], ['rx']);
+		return this._makeNode(args.parent, 'rect', $.extend(
+			{x: args.x, y: args.y, width: args.width, height: args.height},
+			(args.rx ? {rx: args.rx, ry: args.ry} : {}), args.settings || {}));
+	},
+
+	/* Draw a circle.
+	   @param  parent    (element or jQuery) the parent node for the new shape (optional)
+	   @param  cx        (number) the x-coordinate for the centre of the circle
+	   @param  cy        (number) the y-coordinate for the centre of the circle
+	   @param  r         (number) the radius of the circle
+	   @param  settings  (object) additional settings for the shape (optional)
+	   @return  (element) the new shape node */
+	circle: function(parent, cx, cy, r, settings) {
+		var args = this._args(arguments, ['cx', 'cy', 'r']);
+		return this._makeNode(args.parent, 'circle', $.extend(
+			{cx: args.cx, cy: args.cy, r: args.r}, args.settings || {}));
+	},
+
+	/* Draw an ellipse.
+	   @param  parent    (element or jQuery) the parent node for the new shape (optional)
+	   @param  cx        (number) the x-coordinate for the centre of the ellipse
+	   @param  cy        (number) the y-coordinate for the centre of the ellipse
+	   @param  rx        (number) the x-radius of the ellipse
+	   @param  ry        (number) the y-radius of the ellipse
+	   @param  settings  (object) additional settings for the shape (optional)
+	   @return  (element) the new shape node */
+	ellipse: function(parent, cx, cy, rx, ry, settings) {
+		var args = this._args(arguments, ['cx', 'cy', 'rx', 'ry']);
+		return this._makeNode(args.parent, 'ellipse', $.extend(
+			{cx: args.cx, cy: args.cy, rx: args.rx, ry: args.ry}, args.settings || {}));
+	},
+
+	/* Draw a line.
+	   @param  parent    (element or jQuery) the parent node for the new shape (optional)
+	   @param  x1        (number) the x-coordinate for the start of the line
+	   @param  y1        (number) the y-coordinate for the start of the line
+	   @param  x2        (number) the x-coordinate for the end of the line
+	   @param  y2        (number) the y-coordinate for the end of the line
+	   @param  settings  (object) additional settings for the shape (optional)
+	   @return  (element) the new shape node */
+	line: function(parent, x1, y1, x2, y2, settings) {
+		var args = this._args(arguments, ['x1', 'y1', 'x2', 'y2']);
+		return this._makeNode(args.parent, 'line', $.extend(
+			{x1: args.x1, y1: args.y1, x2: args.x2, y2: args.y2}, args.settings || {}));
+	},
+
+	/* Draw a polygonal line.
+	   @param  parent    (element or jQuery) the parent node for the new shape (optional)
+	   @param  points    (number[][]) the x-/y-coordinates for the points on the line
+	   @param  settings  (object) additional settings for the shape (optional)
+	   @return  (element) the new shape node */
+	polyline: function(parent, points, settings) {
+		var args = this._args(arguments, ['points']);
+		return this._poly(args.parent, 'polyline', args.points, args.settings);
+	},
+
+	/* Draw a polygonal shape.
+	   @param  parent    (element or jQuery) the parent node for the new shape (optional)
+	   @param  points    (number[][]) the x-/y-coordinates for the points on the shape
+	   @param  settings  (object) additional settings for the shape (optional)
+	   @return  (element) the new shape node */
+	polygon: function(parent, points, settings) {
+		var args = this._args(arguments, ['points']);
+		return this._poly(args.parent, 'polygon', args.points, args.settings);
+	},
+
+	/* Draw a polygonal line or shape. */
+	_poly: function(parent, name, points, settings) {
+		var ps = '';
+		for (var i = 0; i < points.length; i++) {
+			ps += points[i].join() + ' ';
+		}
+		return this._makeNode(parent, name, $.extend(
+			{points: $.trim(ps)}, settings || {}));
+	},
+
+	/* Draw text.
+	   Specify both of x and y or neither of them.
+	   @param  parent    (element or jQuery) the parent node for the text (optional)
+	   @param  x         (number or number[]) the x-coordinate(s) for the text (optional)
+	   @param  y         (number or number[]) the y-coordinate(s) for the text (optional)
+	   @param  value     (string) the text content or
+	                     (SVGText) text with spans and references
+	   @param  settings  (object) additional settings for the text (optional)
+	   @return  (element) the new text node */
+	text: function(parent, x, y, value, settings) {
+		var args = this._args(arguments, ['x', 'y', 'value']);
+		if (typeof args.x == 'string' && arguments.length < 4) {
+			args.value = args.x;
+			args.settings = args.y;
+			args.x = args.y = null;
+		}
+		return this._text(args.parent, 'text', args.value, $.extend(
+			{x: (args.x && isArray(args.x) ? args.x.join(' ') : args.x),
+			y: (args.y && isArray(args.y) ? args.y.join(' ') : args.y)}, 
+			args.settings || {}));
+	},
+
+	/* Draw text along a path.
+	   @param  parent    (element or jQuery) the parent node for the text (optional)
+	   @param  path      (string) the ID of the path
+	   @param  value     (string) the text content or
+	                     (SVGText) text with spans and references
+	   @param  settings  (object) additional settings for the text (optional)
+	   @return  (element) the new text node */
+	textpath: function(parent, path, value, settings) {
+		var args = this._args(arguments, ['path', 'value']);
+		var node = this._text(args.parent, 'textPath', args.value, args.settings || {});
+		node.setAttributeNS($.svg.xlinkNS, 'href', args.path);
+		return node;
+	},
+
+	/* Draw text. */
+	_text: function(parent, name, value, settings) {
+		var node = this._makeNode(parent, name, settings);
+		if (typeof value == 'string') {
+			node.appendChild(node.ownerDocument.createTextNode(value));
+		}
+		else {
+			for (var i = 0; i < value._parts.length; i++) {
+				var part = value._parts[i];
+				if (part[0] == 'tspan') {
+					var child = this._makeNode(node, part[0], part[2]);
+					child.appendChild(node.ownerDocument.createTextNode(part[1]));
+					node.appendChild(child);
+				}
+				else if (part[0] == 'tref') {
+					var child = this._makeNode(node, part[0], part[2]);
+					child.setAttributeNS($.svg.xlinkNS, 'href', part[1]);
+					node.appendChild(child);
+				}
+				else if (part[0] == 'textpath') {
+					var set = $.extend({}, part[2]);
+					set.href = null;
+					var child = this._makeNode(node, part[0], set);
+					child.setAttributeNS($.svg.xlinkNS, 'href', part[2].href);
+					child.appendChild(node.ownerDocument.createTextNode(part[1]));
+					node.appendChild(child);
+				}
+				else { // straight text
+					node.appendChild(node.ownerDocument.createTextNode(part[1]));
+				}
+			}
+		}
+		return node;
+	},
+
+	/* Add a custom SVG element.
+	   @param  parent    (element or jQuery) the parent node for the new element (optional)
+	   @param  name      (string) the name of the element
+	   @param  settings  (object) additional settings for the element (optional)
+	   @return  (element) the new custom node */
+	other: function(parent, name, settings) {
+		var args = this._args(arguments, ['name']);
+		return this._makeNode(args.parent, args.name, args.settings || {});
+	},
+
+	/* Create a shape node with the given settings. */
+	_makeNode: function(parent, name, settings) {
+		parent = parent || this._svg;
+		var node = this._svg.ownerDocument.createElementNS($.svg.svgNS, name);
+		for (var name in settings) {
+			var value = settings[name];
+			if (value != null && value != null && 
+					(typeof value != 'string' || value != '')) {
+				node.setAttribute($.svg._attrNames[name] || name, value);
+			}
+		}
+		parent.appendChild(node);
+		return node;
+	},
+
+	/* Add an existing SVG node to the diagram.
+	   @param  parent  (element or jQuery) the parent node for the new node (optional)
+	   @param  node    (element) the new node to add or
+	                   (string) the jQuery selector for the node or
+	                   (jQuery collection) set of nodes to add
+	   @return  (SVGWrapper) this wrapper */
+	add: function(parent, node) {
+		var args = this._args((arguments.length == 1 ? [null, parent] : arguments), ['node']);
+		var svg = this;
+		args.parent = args.parent || this._svg;
+		try {
+			if ($.svg._renesis) {
+				throw 'Force traversal';
+			}
+			args.parent.appendChild(args.node.cloneNode(true));
+		}
+		catch (e) {
+			args.node = (args.node.jquery ? args.node : $(args.node));
+			args.node.each(function() {
+				var child = svg._cloneAsSVG(this);
+				if (child) {
+					args.parent.appendChild(child);
+				}
+			});
+		}
+		return this;
+	},
+
+	/* SVG nodes must belong to the SVG namespace, so clone and ensure this is so. */
+	_cloneAsSVG: function(node) {
+		var newNode = null;
+		if (node.nodeType == 1) { // element
+			newNode = this._svg.ownerDocument.createElementNS(
+				$.svg.svgNS, this._checkName(node.nodeName));
+			for (var i = 0; i < node.attributes.length; i++) {
+				var attr = node.attributes.item(i);
+				if (attr.nodeName != 'xmlns' && attr.nodeValue) {
+					if (attr.prefix == 'xlink') {
+						newNode.setAttributeNS($.svg.xlinkNS, attr.localName, attr.nodeValue);
+					}
+					else {
+						newNode.setAttribute(this._checkName(attr.nodeName), attr.nodeValue);
+					}
+				}
+			}
+			for (var i = 0; i < node.childNodes.length; i++) {
+				var child = this._cloneAsSVG(node.childNodes[i]);
+				if (child) {
+					newNode.appendChild(child);
+				}
+			}
+		}
+		else if (node.nodeType == 3) { // text
+			if ($.trim(node.nodeValue)) {
+				newNode = this._svg.ownerDocument.createTextNode(node.nodeValue);
+			}
+		}
+		else if (node.nodeType == 4) { // CDATA
+			if ($.trim(node.nodeValue)) {
+				try {
+					newNode = this._svg.ownerDocument.createCDATASection(node.nodeValue);
+				}
+				catch (e) {
+					newNode = this._svg.ownerDocument.createTextNode(
+						node.nodeValue.replace(/&/g, '&amp;').
+						replace(/</g, '&lt;').replace(/>/g, '&gt;'));
+				}
+			}
+		}
+		return newNode;
+	},
+
+	/* Node names must be lower case and without SVG namespace prefix. */
+	_checkName: function(name) {
+		name = (name.substring(0, 1) >= 'A' && name.substring(0, 1) <= 'Z' ?
+			name.toLowerCase() : name);
+		return (name.substring(0, 4) == 'svg:' ? name.substring(4) : name);
+	},
+
+	/* Load an external SVG document.
+	   @param  url       (string) the location of the SVG document or
+	                     the actual SVG content
+	   @param  settings  (boolean) see addTo below or
+	                     (function) see onLoad below or
+	                     (object) additional settings for the load with attributes below:
+	                       addTo       (boolean) true to add to what's already there,
+	                                   or false to clear the canvas first
+						   changeSize  (boolean) true to allow the canvas size to change,
+	                                   or false to retain the original
+	                       onLoad      (function) callback after the document has loaded,
+	                                   'this' is the container, receives SVG object and
+	                                   optional error message as a parameter
+	   @return  (SVGWrapper) this root */
+	load: function(url, settings) {
+		settings = (typeof settings == 'boolean'? {addTo: settings} :
+			(typeof settings == 'function'? {onLoad: settings} : settings || {}));
+		if (!settings.addTo) {
+			this.clear(false);
+		}
+		var size = [this._svg.getAttribute('width'), this._svg.getAttribute('height')];
+		var wrapper = this;
+		// Report a problem with the load
+		var reportError = function(message) {
+			message = $.svg.local.errorLoadingText + ': ' + message;
+			if (settings.onLoad) {
+				settings.onLoad.apply(wrapper._container || wrapper._svg, [wrapper, message]);
+			}
+			else {
+				wrapper.text(null, 10, 20, message);
+			}
+		};
+		// Create a DOM from SVG content
+		var loadXML4IE = function(data) {
+			var xml = new ActiveXObject('Microsoft.XMLDOM');
+			xml.validateOnParse = false;
+			xml.resolveExternals = false;
+			xml.async = false;
+			xml.loadXML(data);
+			if (xml.parseError.errorCode != 0) {
+				reportError(xml.parseError.reason);
+				return null;
+			}
+			return xml;
+		};
+		// Load the SVG DOM
+		var loadSVG = function(data) {
+			if (!data) {
+				return;
+			}
+			if (data.documentElement.nodeName != 'svg') {
+				var errors = data.getElementsByTagName('parsererror');
+				var messages = (errors.length ? errors[0].getElementsByTagName('div') : []); // Safari
+				reportError(!errors.length ? '???' :
+					(messages.length ? messages[0] : errors[0]).firstChild.nodeValue);
+				return;
+			}
+			var attrs = {};
+			for (var i = 0; i < data.documentElement.attributes.length; i++) {
+				var attr = data.documentElement.attributes.item(i);
+				if (!(attr.nodeName == 'version' || attr.nodeName.substring(0, 5) == 'xmlns')) {
+					attrs[attr.nodeName] = attr.nodeValue;
+				}
+			}
+			wrapper.configure(attrs, true);
+			var nodes = data.documentElement.childNodes;
+			for (var i = 0; i < nodes.length; i++) {
+				try {
+					if ($.svg._renesis) {
+						throw 'Force traversal';
+					}
+					wrapper._svg.appendChild(nodes[i].cloneNode(true));
+					if (nodes[i].nodeName == 'script') {
+						$.globalEval(nodes[i].textContent);
+					}
+				}
+				catch (e) {
+					wrapper.add(null, nodes[i]);
+				}
+			}
+			if (!settings.changeSize) {
+				wrapper.configure({width: size[0], height: size[1]});
+			}
+			if (settings.onLoad) {
+				settings.onLoad.apply(wrapper._container || wrapper._svg, [wrapper]);
+			}
+		};
+		if (url.match('<svg')) { // Inline SVG
+			loadSVG($.browser.msie ? loadXML4IE(url) :
+				new DOMParser().parseFromString(url, 'text/xml'));
+		}
+		else { // Remote SVG
+			$.ajax({url: url, dataType: ($.browser.msie ? 'text' : 'xml'),
+				success: function(xml) {
+					loadSVG($.browser.msie ? loadXML4IE(xml) : xml);
+				}, error: function(http, message, exc) {
+					reportError(message + (exc ? ' ' + exc.message : ''));
+				}});
+		}
+		return this;
+	},
+
+	/* Delete a specified node.
+	   @param  node  (element or jQuery) the drawing node to remove
+	   @return  (SVGWrapper) this root */
+	remove: function(node) {
+		node = (node.jquery ? node[0] : node);
+		node.parentNode.removeChild(node);
+		return this;
+	},
+
+	/* Delete everything in the current document.
+	   @param  attrsToo  (boolean) true to clear any root attributes as well,
+	                     false to leave them (optional)
+	   @return  (SVGWrapper) this root */
+	clear: function(attrsToo) {
+		if (attrsToo) {
+			this.configure({}, true);
+		}
+		while (this._svg.firstChild) {
+			this._svg.removeChild(this._svg.firstChild);
+		}
+		return this;
+	},
+
+	/* Serialise the current diagram into an SVG text document.
+	   @param  node  (SVG element) the starting node (optional)
+	   @return  (string) the SVG as text */
+	toSVG: function(node) {
+		node = node || this._svg;
+		return (typeof XMLSerializer == 'undefined' ? this._toSVG(node) :
+			new XMLSerializer().serializeToString(node));
+	},
+
+	/* Serialise one node in the SVG hierarchy. */
+	_toSVG: function(node) {
+		var svgDoc = '';
+		if (!node) {
+			return svgDoc;
+		}
+		if (node.nodeType == 3) { // Text
+			svgDoc = node.nodeValue;
+		}
+		else if (node.nodeType == 4) { // CDATA
+			svgDoc = '<![CDATA[' + node.nodeValue + ']]>';
+		}
+		else { // Element
+			svgDoc = '<' + node.nodeName;
+			if (node.attributes) {
+				for (var i = 0; i < node.attributes.length; i++) {
+					var attr = node.attributes.item(i);
+					if (!($.trim(attr.nodeValue) == '' || attr.nodeValue.match(/^\[object/) ||
+							attr.nodeValue.match(/^function/))) {
+						svgDoc += ' ' + (attr.namespaceURI == $.svg.xlinkNS ? 'xlink:' : '') + 
+							attr.nodeName + '="' + attr.nodeValue + '"';
+					}
+				}
+			}	
+			if (node.firstChild) {
+				svgDoc += '>';
+				var child = node.firstChild;
+				while (child) {
+					svgDoc += this._toSVG(child);
+					child = child.nextSibling;
+				}
+				svgDoc += '</' + node.nodeName + '>';
+			}
+				else {
+				svgDoc += '/>';
+			}
+		}
+		return svgDoc;
+	},
+	
+	/* Escape reserved characters in XML. */
+	_escapeXML: function(text) {
+		text = text.replace(/&/g, '&amp;');
+		text = text.replace(/</g, '&lt;');
+		text = text.replace(/>/g, '&gt;');
+		return text;
+	}
+});
+
+/* Helper to generate an SVG path.
+   Obtain an instance from the SVGWrapper object.
+   String calls together to generate the path and use its value:
+   var path = root.createPath();
+   root.path(null, path.move(100, 100).line(300, 100).line(200, 300).close(), {fill: 'red'});
+   or
+   root.path(null, path.move(100, 100).line([[300, 100], [200, 300]]).close(), {fill: 'red'}); */
+function SVGPath() {
+	this._path = '';
+}
+
+$.extend(SVGPath.prototype, {
+	/* Prepare to create a new path.
+	   @return  (SVGPath) this path */
+	reset: function() {
+		this._path = '';
+		return this;
+	},
+
+	/* Move the pointer to a position.
+	   @param  x         (number) x-coordinate to move to or
+	                     (number[][]) x-/y-coordinates to move to
+	   @param  y         (number) y-coordinate to move to (omitted if x is array)
+	   @param  relative  (boolean) true for coordinates relative to the current point,
+	                     false for coordinates being absolute
+	   @return  (SVGPath) this path */
+	move: function(x, y, relative) {
+		relative = (isArray(x) ? y : relative);
+		return this._coords((relative ? 'm' : 'M'), x, y);
+	},
+
+	/* Draw a line to a position.
+	   @param  x         (number) x-coordinate to move to or
+	                     (number[][]) x-/y-coordinates to move to
+	   @param  y         (number) y-coordinate to move to (omitted if x is array)
+	   @param  relative  (boolean) true for coordinates relative to the current point,
+	                     false for coordinates being absolute
+	   @return  (SVGPath) this path */
+	line: function(x, y, relative) {
+		relative = (isArray(x) ? y : relative);
+		return this._coords((relative ? 'l' : 'L'), x, y);
+	},
+
+	/* Draw a horizontal line to a position.
+	   @param  x         (number) x-coordinate to draw to or
+	                     (number[]) x-coordinates to draw to
+	   @param  relative  (boolean) true for coordinates relative to the current point,
+	                     false for coordinates being absolute
+	   @return  (SVGPath) this path */
+	horiz: function(x, relative) {
+		this._path += (relative ? 'h' : 'H') + (isArray(x) ? x.join(' ') : x);
+		return this;
+	},
+
+	/* Draw a vertical line to a position.
+	   @param  y         (number) y-coordinate to draw to or
+	                     (number[]) y-coordinates to draw to
+	   @param  relative  (boolean) true for coordinates relative to the current point,
+	                     false for coordinates being absolute
+	   @return  (SVGPath) this path */
+	vert: function(y, relative) {
+		this._path += (relative ? 'v' : 'V') + (isArray(y) ? y.join(' ') : y);
+		return this;
+	},
+
+	/* Draw a cubic Bézier curve.
+	   @param  x1        (number) x-coordinate of beginning control point or
+	                     (number[][]) x-/y-coordinates of control and end points to draw to
+	   @param  y1        (number) y-coordinate of beginning control point (omitted if x1 is array)
+	   @param  x2        (number) x-coordinate of ending control point (omitted if x1 is array)
+	   @param  y2        (number) y-coordinate of ending control point (omitted if x1 is array)
+	   @param  x         (number) x-coordinate of curve end (omitted if x1 is array)
+	   @param  y         (number) y-coordinate of curve end (omitted if x1 is array)
+	   @param  relative  (boolean) true for coordinates relative to the current point,
+	                     false for coordinates being absolute
+	   @return  (SVGPath) this path */
+	curveC: function(x1, y1, x2, y2, x, y, relative) {
+		relative = (isArray(x1) ? y1 : relative);
+		return this._coords((relative ? 'c' : 'C'), x1, y1, x2, y2, x, y);
+	},
+
+	/* Continue a cubic Bézier curve.
+	   Starting control point is the reflection of the previous end control point.
+	   @param  x2        (number) x-coordinate of ending control point or
+	                     (number[][]) x-/y-coordinates of control and end points to draw to
+	   @param  y2        (number) y-coordinate of ending control point (omitted if x2 is array)
+	   @param  x         (number) x-coordinate of curve end (omitted if x2 is array)
+	   @param  y         (number) y-coordinate of curve end (omitted if x2 is array)
+	   @param  relative  (boolean) true for coordinates relative to the current point,
+	                     false for coordinates being absolute
+	   @return  (SVGPath) this path */
+	smoothC: function(x2, y2, x, y, relative) {
+		relative = (isArray(x2) ? y2 : relative);
+		return this._coords((relative ? 's' : 'S'), x2, y2, x, y);
+	},
+
+	/* Draw a quadratic Bézier curve.
+	   @param  x1        (number) x-coordinate of control point or
+	                     (number[][]) x-/y-coordinates of control and end points to draw to
+	   @param  y1        (number) y-coordinate of control point (omitted if x1 is array)
+	   @param  x         (number) x-coordinate of curve end (omitted if x1 is array)
+	   @param  y         (number) y-coordinate of curve end (omitted if x1 is array)
+	   @param  relative  (boolean) true for coordinates relative to the current point,
+	                     false for coordinates being absolute
+	   @return  (SVGPath) this path */
+	curveQ: function(x1, y1, x, y, relative) {
+		relative = (isArray(x1) ? y1 : relative);
+		return this._coords((relative ? 'q' : 'Q'), x1, y1, x, y);
+	},
+
+	/* Continue a quadratic Bézier curve.
+	   Control point is the reflection of the previous control point.
+	   @param  x         (number) x-coordinate of curve end or
+	                     (number[][]) x-/y-coordinates of points to draw to
+	   @param  y         (number) y-coordinate of curve end (omitted if x is array)
+	   @param  relative  (boolean) true for coordinates relative to the current point,
+	                     false for coordinates being absolute
+	   @return  (SVGPath) this path */
+	smoothQ: function(x, y, relative) {
+		relative = (isArray(x) ? y : relative);
+		return this._coords((relative ? 't' : 'T'), x, y);
+	},
+
+	/* Generate a path command with (a list of) coordinates. */
+	_coords: function(cmd, x1, y1, x2, y2, x3, y3) {
+		if (isArray(x1)) {
+			for (var i = 0; i < x1.length; i++) {
+				var cs = x1[i];
+				this._path += (i == 0 ? cmd : ' ') + cs[0] + ',' + cs[1] +
+					(cs.length < 4 ? '' : ' ' + cs[2] + ',' + cs[3] +
+					(cs.length < 6 ? '': ' ' + cs[4] + ',' + cs[5]));
+			}
+		}
+		else {
+			this._path += cmd + x1 + ',' + y1 + 
+				(x2 == null ? '' : ' ' + x2 + ',' + y2 +
+				(x3 == null ? '' : ' ' + x3 + ',' + y3));
+		}
+		return this;
+	},
+
+	/* Draw an arc to a position.
+	   @param  rx         (number) x-radius of arc or
+	                      (number/boolean[][]) x-/y-coordinates and flags for points to draw to
+	   @param  ry         (number) y-radius of arc (omitted if rx is array)
+	   @param  xRotate    (number) x-axis rotation (degrees, clockwise) (omitted if rx is array)
+	   @param  large      (boolean) true to draw the large part of the arc,
+	                      false to draw the small part (omitted if rx is array)
+	   @param  clockwise  (boolean) true to draw the clockwise arc,
+	                      false to draw the anti-clockwise arc (omitted if rx is array)
+	   @param  x          (number) x-coordinate of arc end (omitted if rx is array)
+	   @param  y          (number) y-coordinate of arc end (omitted if rx is array)
+	   @param  relative   (boolean) true for coordinates relative to the current point,
+	                      false for coordinates being absolute
+	   @return  (SVGPath) this path */
+	arc: function(rx, ry, xRotate, large, clockwise, x, y, relative) {
+		relative = (isArray(rx) ? ry : relative);
+		this._path += (relative ? 'a' : 'A');
+		if (isArray(rx)) {
+			for (var i = 0; i < rx.length; i++) {
+				var cs = rx[i];
+				this._path += (i == 0 ? '' : ' ') + cs[0] + ',' + cs[1] + ' ' +
+					cs[2] + ' ' + (cs[3] ? '1' : '0') + ',' +
+					(cs[4] ? '1' : '0') + ' ' + cs[5] + ',' + cs[6];
+			}
+		}
+		else {
+			this._path += rx + ',' + ry + ' ' + xRotate + ' ' +
+				(large ? '1' : '0') + ',' + (clockwise ? '1' : '0') + ' ' + x + ',' + y;
+		}
+		return this;
+	},
+
+	/* Close the current path.
+	   @return  (SVGPath) this path */
+	close: function() {
+		this._path += 'z';
+		return this;
+	},
+
+	/* Return the string rendering of the specified path.
+	   @return  (string) stringified path */
+	path: function() {
+		return this._path;
+	}
+});
+
+SVGPath.prototype.moveTo = SVGPath.prototype.move;
+SVGPath.prototype.lineTo = SVGPath.prototype.line;
+SVGPath.prototype.horizTo = SVGPath.prototype.horiz;
+SVGPath.prototype.vertTo = SVGPath.prototype.vert;
+SVGPath.prototype.curveCTo = SVGPath.prototype.curveC;
+SVGPath.prototype.smoothCTo = SVGPath.prototype.smoothC;
+SVGPath.prototype.curveQTo = SVGPath.prototype.curveQ;
+SVGPath.prototype.smoothQTo = SVGPath.prototype.smoothQ;
+SVGPath.prototype.arcTo = SVGPath.prototype.arc;
+
+/* Helper to generate an SVG text object.
+   Obtain an instance from the SVGWrapper object.
+   String calls together to generate the text and use its value:
+   var text = root.createText();
+   root.text(null, x, y, text.string('This is ').
+     span('red', {fill: 'red'}).string('!'), {fill: 'blue'}); */
+function SVGText() {
+	this._parts = []; // The components of the text object
+}
+
+$.extend(SVGText.prototype, {
+	/* Prepare to create a new text object.
+	   @return  (SVGText) this text */
+	reset: function() {
+		this._parts = [];
+		return this;
+	},
+
+	/* Add a straight string value.
+	   @param  value  (string) the actual text
+	   @return  (SVGText) this text object */
+	string: function(value) {
+		this._parts[this._parts.length] = ['text', value];
+		return this;
+	},
+
+	/* Add a separate text span that has its own settings.
+	   @param  value     (string) the actual text
+	   @param  settings  (object) the settings for this text
+	   @return  (SVGText) this text object */
+	span: function(value, settings) {
+		this._parts[this._parts.length] = ['tspan', value, settings];
+		return this;
+	},
+
+	/* Add a reference to a previously defined text string.
+	   @param  id        (string) the ID of the actual text
+	   @param  settings  (object) the settings for this text
+	   @return  (SVGText) this text object */
+	ref: function(id, settings) {
+		this._parts[this._parts.length] = ['tref', id, settings];
+		return this;
+	},
+
+	/* Add text drawn along a path.
+	   @param  id        (string) the ID of the path
+	   @param  value     (string) the actual text
+	   @param  settings  (object) the settings for this text
+	   @return  (SVGText) this text object */
+	path: function(id, value, settings) {
+		this._parts[this._parts.length] = ['textpath', value, 
+			$.extend({href: id}, settings || {})];
+		return this;
+	}
+});
+
+/* Attach the SVG functionality to a jQuery selection.
+   @param  command  (string) the command to run (optional, default 'attach')
+   @param  options  (object) the new settings to use for these SVG instances
+   @return jQuery (object) for chaining further calls */
+$.fn.svg = function(options) {
+	var otherArgs = Array.prototype.slice.call(arguments, 1);
+	if (typeof options == 'string' && options == 'get') {
+		return $.svg['_' + options + 'SVG'].apply($.svg, [this[0]].concat(otherArgs));
+	}
+	return this.each(function() {
+		if (typeof options == 'string') {
+			$.svg['_' + options + 'SVG'].apply($.svg, [this].concat(otherArgs));
+		}
+		else {
+			$.svg._attachSVG(this, options || {});
+		} 
+	});
+};
+
+/* Determine whether an object is an array. */
+function isArray(a) {
+	return (a && a.constructor == Array);
+}
+
+// Singleton primary SVG interface
+$.svg = new SVGManager();
+
+})(jQuery);