/*!
 * Copyright (c) 2009 Simo Kinnunen.
 * Licensed under the MIT license.
 *
 * @version ${Version}
 */

/*!
* Copyright (c) 2009 Simo Kinnunen.
* Licensed under the MIT license.
*
* @version ${Version}
*/

var Cufon = (function() {

	var api = function() {
		return api.replace.apply(null, arguments);
	};

	var DOM = api.DOM = {

		ready: (function() {

			var complete = false, readyStatus = { loaded: 1, complete: 1 };

			var queue = [], perform = function() {
				if (complete) return;
				complete = true;
				for (var fn; fn = queue.shift(); fn());
			};

			// Gecko, Opera, WebKit r26101+

			if (document.addEventListener) {
				document.addEventListener('DOMContentLoaded', perform, false);
				window.addEventListener('pageshow', perform, false); // For cached Gecko pages
			}

			// Old WebKit, Internet Explorer

			if (!window.opera && document.readyState) (function() {
				readyStatus[document.readyState] ? perform() : setTimeout(arguments.callee, 10);
			})();

			// Internet Explorer

			if (document.readyState && document.createStyleSheet) (function() {
				try {
					document.body.doScroll('left');
					perform();
				}
				catch (e) {
					setTimeout(arguments.callee, 1);
				}
			})();

			addEvent(window, 'load', perform); // Fallback

			return function(listener) {
				if (!arguments.length) perform();
				else complete ? listener() : queue.push(listener);
			};

		})(),

		root: function() {
			return document.documentElement || document.body;
		}

	};

	var CSS = api.CSS = {

		Size: function(value, base) {

			this.value = parseFloat(value);
			this.unit = String(value).match(/[a-z%]*$/)[0] || 'px';

			this.convert = function(value) {
				return value / base * this.value;
			};

			this.convertFrom = function(value) {
				return value / this.value * base;
			};

			this.toString = function() {
				return this.value + this.unit;
			};

		},

		addClass: function(el, className) {
			var current = el.className;
			el.className = current + (current && ' ') + className;
			return el;
		},

		color: cached(function(value) {
			var parsed = {};
			parsed.color = value.replace(/^rgba\((.*?),\s*([\d.]+)\)/, function($0, $1, $2) {
				parsed.opacity = parseFloat($2);
				return 'rgb(' + $1 + ')';
			});
			return parsed;
		}),

		// has no direct CSS equivalent.
		// @see http://msdn.microsoft.com/en-us/library/system.windows.fontstretches.aspx
		fontStretch: cached(function(value) {
			if (typeof value == 'number') return value;
			if (/%$/.test(value)) return parseFloat(value) / 100;
			return {
				'ultra-condensed': 0.5,
				'extra-condensed': 0.625,
				condensed: 0.75,
				'semi-condensed': 0.875,
				'semi-expanded': 1.125,
				expanded: 1.25,
				'extra-expanded': 1.5,
				'ultra-expanded': 2
}[value] || 1;
			}),

			getStyle: function(el) {
				var view = document.defaultView;
				if (view && view.getComputedStyle) return new Style(view.getComputedStyle(el, null));
				if (el.currentStyle) return new Style(el.currentStyle);
				return new Style(el.style);
			},

			gradient: cached(function(value) {
				var gradient = {
					id: value,
					type: value.match(/^-([a-z]+)-gradient\(/)[1],
					stops: []
				}, colors = value.substr(value.indexOf('(')).match(/([\d.]+=)?(#[a-f0-9]+|[a-z]+\(.*?\)|[a-z]+)/ig);
				for (var i = 0, l = colors.length, stop; i < l; ++i) {
					stop = colors[i].split('=', 2).reverse();
					gradient.stops.push([stop[1] || i / (l - 1), stop[0]]);
				}
				return gradient;
			}),

			quotedList: cached(function(value) {
				// doesn't work properly with empty quoted strings (""), but
				// it's not worth the extra code.
				var list = [], re = /\s*((["'])([\s\S]*?[^\\])\2|[^,]+)\s*/g, match;
				while (match = re.exec(value)) list.push(match[3] || match[1]);
				return list;
			}),

			recognizesMedia: cached(function(media) {
				var el = document.createElement('style'), sheet, container, supported;
				el.type = 'text/css';
				el.media = media;
				try { // this is cached anyway
					el.appendChild(document.createTextNode('/**/'));
				} catch (e) { }
				container = elementsByTagName('head')[0];
				container.insertBefore(el, container.firstChild);
				sheet = (el.sheet || el.styleSheet);
				supported = sheet && !sheet.disabled;
				container.removeChild(el);
				return supported;
			}),

			removeClass: function(el, className) {
				var re = RegExp('(?:^|\\s+)' + className + '(?=\\s|$)', 'g');
				el.className = el.className.replace(re, '');
				return el;
			},

			supports: function(property, value) {
				var checker = document.createElement('span').style;
				if (checker[property] === undefined) return false;
				checker[property] = value;
				return checker[property] === value;
			},

			textAlign: function(word, style, position, wordCount) {
				if (style.get('textAlign') == 'right') {
					if (position > 0) word = ' ' + word;
				}
				else if (position < wordCount - 1) word += ' ';
				return word;
			},

			textShadow: cached(function(value) {
				if (value == 'none') return null;
				var shadows = [], currentShadow = {}, result, offCount = 0;
				var re = /(#[a-f0-9]+|[a-z]+\(.*?\)|[a-z]+)|(-?[\d.]+[a-z%]*)|,/ig;
				while (result = re.exec(value)) {
					if (result[0] == ',') {
						shadows.push(currentShadow);
						currentShadow = {};
						offCount = 0;
					}
					else if (result[1]) {
						currentShadow.color = result[1];
					}
					else {
						currentShadow[['offX', 'offY', 'blur'][offCount++]] = result[2];
					}
				}
				shadows.push(currentShadow);
				return shadows;
			}),

			textTransform: (function() {
				var map = {
					uppercase: function(s) {
						return s.toUpperCase();
					},
					lowercase: function(s) {
						return s.toLowerCase();
					},
					capitalize: function(s) {
						return s.replace(/\b./g, function($0) {
							return $0.toUpperCase();
						});
					}
				};
				return function(text, style) {
					var transform = map[style.get('textTransform')];
					return transform ? transform(text) : text;
				};
			})(),

			whiteSpace: (function() {
				var ignore = {
					inline: 1,
					'inline-block': 1,
					'run-in': 1
				};
				var wsStart = /^\s+/, wsEnd = /\s+$/;
				return function(text, style, node, previousElement) {
					if (previousElement) {
						if (previousElement.nodeName.toLowerCase() == 'br') {
							text = text.replace(wsStart, '');
						}
					}
					if (ignore[style.get('display')]) return text;
					if (!node.previousSibling) text = text.replace(wsStart, '');
					if (!node.nextSibling) text = text.replace(wsEnd, '');
					return text;
				};
			})()

		};

		CSS.ready = (function() {

			// don't do anything in Safari 2 (it doesn't recognize any media type)
			var complete = !CSS.recognizesMedia('all'), hasLayout = false;

			var queue = [], perform = function() {
				complete = true;
				for (var fn; fn = queue.shift(); fn());
			};

			var links = elementsByTagName('link'), styles = elementsByTagName('style');

			function isContainerReady(el) {
				return el.disabled || isSheetReady(el.sheet, el.media || 'screen');
			}

			function isSheetReady(sheet, media) {
				// in Opera sheet.disabled is true when it's still loading,
				// even though link.disabled is false. they stay in sync if
				// set manually.
				if (!CSS.recognizesMedia(media || 'all')) return true;
				if (!sheet || sheet.disabled) return false;
				try {
					var rules = sheet.cssRules, rule;
					if (rules) {
						// needed for Safari 3 and Chrome 1.0.
						// in standards-conforming browsers cssRules contains @-rules.
						// Chrome 1.0 weirdness: rules[<number larger than .length - 1>]
						// returns the last rule, so a for loop is the only option.
						search: for (var i = 0, l = rules.length; rule = rules[i], i < l; ++i) {
							switch (rule.type) {
								case 2: // @charset
									break;
								case 3: // @import
									if (!isSheetReady(rule.styleSheet, rule.media.mediaText)) return false;
									break;
								default:
									// only @charset can precede @import
									break search;
							}
						}
					}
				}
				catch (e) { } // probably a style sheet from another domain
				return true;
			}

			function allStylesLoaded() {
				// Internet Explorer's style sheet model, there's no need to do anything
				if (document.createStyleSheet) return true;
				// standards-compliant browsers
				var el, i;
				for (i = 0; el = links[i]; ++i) {
					if (el.rel.toLowerCase() == 'stylesheet' && !isContainerReady(el)) return false;
				}
				for (i = 0; el = styles[i]; ++i) {
					if (!isContainerReady(el)) return false;
				}
				return true;
			}

			DOM.ready(function() {
				// getComputedStyle returns null in Gecko if used in an iframe with display: none
				if (!hasLayout) hasLayout = CSS.getStyle(document.body).isUsable();
				if (complete || (hasLayout && allStylesLoaded())) perform();
				else setTimeout(arguments.callee, 10);
			});

			return function(listener) {
				if (complete) listener();
				else queue.push(listener);
			};

		})();

		function Font(data) {

			var face = this.face = data.face, wordSeparators = {
				'\u0020': 1,
				'\u00a0': 1,
				'\u3000': 1
			};

			this.glyphs = data.glyphs;
			this.w = data.w;
			this.baseSize = parseInt(face['units-per-em'], 10);

			this.family = face['font-family'].toLowerCase();
			this.weight = face['font-weight'];
			this.style = face['font-style'] || 'normal';

			this.viewBox = (function() {
				var parts = face.bbox.split(/\s+/);
				var box = {
					minX: parseInt(parts[0], 10),
					minY: parseInt(parts[1], 10),
					maxX: parseInt(parts[2], 10),
					maxY: parseInt(parts[3], 10)
				};
				box.width = box.maxX - box.minX;
				box.height = box.maxY - box.minY;
				box.toString = function() {
					return [this.minX, this.minY, this.width, this.height].join(' ');
				};
				return box;
			})();

			this.ascent = -parseInt(face.ascent, 10);
			this.descent = -parseInt(face.descent, 10);

			this.height = -this.ascent + this.descent;

			this.spacing = function(chars, letterSpacing, wordSpacing) {
				var glyphs = this.glyphs, glyph, kerning, k,
				jumps = [], width = 0,
				i = -1, j = -1, chr;
				while (chr = chars[++i]) {
					glyph = glyphs[chr] || this.missingGlyph;
					if (!glyph) continue;
					if (kerning) {
						width -= k = kerning[chr] || 0;
						jumps[j] -= k;
					}
					width += jumps[++j] = ~ ~(glyph.w || this.w) + letterSpacing + (wordSeparators[chr] ? wordSpacing : 0);
					kerning = glyph.k;
				}
				jumps.total = width;
				return jumps;
			};

		}

		function FontFamily() {

			var styles = {}, mapping = {
				oblique: 'italic',
				italic: 'oblique'
			};

			this.add = function(font) {
				(styles[font.style] || (styles[font.style] = {}))[font.weight] = font;
			};

			this.get = function(style, weight) {
				var weights = styles[style] || styles[mapping[style]]
				|| styles.normal || styles.italic || styles.oblique;
				if (!weights) return null;
				// we don't have to worry about "bolder" and "lighter"
				// because IE's currentStyle returns a numeric value for it,
				// and other browsers use the computed value anyway
				weight = {
					normal: 400,
					bold: 700
}[weight] || parseInt(weight, 10);
					if (weights[weight]) return weights[weight];
					// http://www.w3.org/TR/CSS21/fonts.html#propdef-font-weight
					// Gecko uses x99/x01 for lighter/bolder
					var up = {
						1: 1,
						99: 0
}[weight % 100], alts = [], min, max;
						if (up === undefined) up = weight > 400;
						if (weight == 500) weight = 400;
						for (var alt in weights) {
							if (!hasOwnProperty(weights, alt)) continue;
							alt = parseInt(alt, 10);
							if (!min || alt < min) min = alt;
							if (!max || alt > max) max = alt;
							alts.push(alt);
						}
						if (weight < min) weight = min;
						if (weight > max) weight = max;
						alts.sort(function(a, b) {
							return (up
					? (a >= weight && b >= weight) ? a < b : a > b
					: (a <= weight && b <= weight) ? a > b : a < b) ? -1 : 1;
						});
						return weights[alts[0]];
					};

				}

				function HoverHandler() {

					function contains(node, anotherNode) {
						if (node.contains) return node.contains(anotherNode);
						return node.compareDocumentPosition(anotherNode) & 16;
					}

					function onOverOut(e) {
						var related = e.relatedTarget;
						if (!related || contains(this, related)) return;
						trigger(this, e.type == 'mouseover');
					}

					function onEnterLeave(e) {
						trigger(this, e.type == 'mouseenter');
					}

					function trigger(el, hoverState) {
						// A timeout is needed so that the event can actually "happen"
						// before replace is triggered. This ensures that styles are up
						// to date.
						setTimeout(function() {
							var options = sharedStorage.get(el).options;
							api.replace(el, hoverState ? merge(options, options.hover) : options, true);
						}, 10);
					}

					this.attach = function(el) {
						if (el.onmouseenter === undefined) {
							addEvent(el, 'mouseover', onOverOut);
							addEvent(el, 'mouseout', onOverOut);
						}
						else {
							addEvent(el, 'mouseenter', onEnterLeave);
							addEvent(el, 'mouseleave', onEnterLeave);
						}
					};

				}

				function ReplaceHistory() {

					var list = [], map = {};

					function filter(keys) {
						var values = [], key;
						for (var i = 0; key = keys[i]; ++i) values[i] = list[map[key]];
						return values;
					}

					this.add = function(key, args) {
						map[key] = list.push(args) - 1;
					};

					this.repeat = function() {
						var snapshot = arguments.length ? filter(arguments) : list, args;
						for (var i = 0; args = snapshot[i++]; ) api.replace(args[0], args[1], true);
					};

				}

				function Storage() {

					var map = {}, at = 0;

					function identify(el) {
						return el.cufid || (el.cufid = ++at);
					}

					this.get = function(el) {
						var id = identify(el);
						return map[id] || (map[id] = {});
					};

				}

				function Style(style) {

					var custom = {}, sizes = {};

					this.extend = function(styles) {
						for (var property in styles) {
							if (hasOwnProperty(styles, property)) custom[property] = styles[property];
						}
						return this;
					};

					this.get = function(property) {
						return custom[property] != undefined ? custom[property] : style[property];
					};

					this.getSize = function(property, base) {
						return sizes[property] || (sizes[property] = new CSS.Size(this.get(property), base));
					};

					this.isUsable = function() {
						return !!style;
					};

				}

				function addEvent(el, type, listener) {
					if (el.addEventListener) {
						el.addEventListener(type, listener, false);
					}
					else if (el.attachEvent) {
						el.attachEvent('on' + type, function() {
							return listener.call(el, window.event);
						});
					}
				}

				function attach(el, options) {
					var storage = sharedStorage.get(el);
					if (storage.options) return el;
					if (options.hover && options.hoverables[el.nodeName.toLowerCase()]) {
						hoverHandler.attach(el);
					}
					storage.options = options;
					return el;
				}

				function cached(fun) {
					var cache = {};
					return function(key) {
						if (!hasOwnProperty(cache, key)) cache[key] = fun.apply(null, arguments);
						return cache[key];
					};
				}

				function getFont(el, style) {
					var families = CSS.quotedList(style.get('fontFamily').toLowerCase()), family;
					for (var i = 0; family = families[i]; ++i) {
						if (fonts[family]) return fonts[family].get(style.get('fontStyle'), style.get('fontWeight'));
					}
					return null;
				}

				function elementsByTagName(query) {
					return document.getElementsByTagName(query);
				}

				function hasOwnProperty(obj, property) {
					return obj.hasOwnProperty(property);
				}

				function merge() {
					var merged = {}, arg, key;
					for (var i = 0, l = arguments.length; arg = arguments[i], i < l; ++i) {
						for (key in arg) {
							if (hasOwnProperty(arg, key)) merged[key] = arg[key];
						}
					}
					return merged;
				}

				function process(font, text, style, options, node, el) {
					var fragment = document.createDocumentFragment(), processed;
					if (text === '') return fragment;
					var separate = options.separate;
					var parts = text.split(separators[separate]), needsAligning = (separate == 'words');
					if (needsAligning && HAS_BROKEN_REGEXP) {
						// @todo figure out a better way to do this
						if (/^\s/.test(text)) parts.unshift('');
						if (/\s$/.test(text)) parts.push('');
					}
					for (var i = 0, l = parts.length; i < l; ++i) {
						processed = engines[options.engine](font,
				needsAligning ? CSS.textAlign(parts[i], style, i, l) : parts[i],
				style, options, node, el, i < l - 1);
						if (processed) fragment.appendChild(processed);
					}
					return fragment;
				}

				function replaceElement(el, options) {
					var name = el.nodeName.toLowerCase();
					if (options.ignore[name]) return;
					var replace = !options.textless[name];
					var style = CSS.getStyle(attach(el, options)).extend(options);
					var font = getFont(el, style), node, type, next, anchor, text, lastElement;
					if (!font) return;
					for (node = el.firstChild; node; node = next) {
						type = node.nodeType;
						next = node.nextSibling;
						if (replace && type == 3) {
							// Node.normalize() is broken in IE 6, 7, 8
							if (anchor) {
								anchor.appendData(node.data);
								el.removeChild(node);
							}
							else anchor = node;
							if (next) continue;
						}
						if (anchor) {
							el.replaceChild(process(font,
					CSS.whiteSpace(anchor.data, style, anchor, lastElement),
					style, options, node, el), anchor);
							anchor = null;
						}
						if (type == 1) {
							if (node.firstChild) {
								if (node.nodeName.toLowerCase() == 'cufon') {
									engines[options.engine](font, null, style, options, node, el);
								}
								else arguments.callee(node, options);
							}
							lastElement = node;
						}
					}
				}

				var HAS_BROKEN_REGEXP = ' '.split(/\s+/).length == 0;

				var sharedStorage = new Storage();
				var hoverHandler = new HoverHandler();
				var replaceHistory = new ReplaceHistory();
				var initialized = false;

				var engines = {}, fonts = {}, defaultOptions = {
					autoDetect: false,
					engine: null,
					//fontScale: 1,
					//fontScaling: false,
					forceHitArea: false,
					hover: false,
					hoverables: {
						a: true
					},
					ignore: {
						applet: 1,
						canvas: 1,
						col: 1,
						colgroup: 1,
						head: 1,
						iframe: 1,
						map: 1,
						optgroup: 1,
						option: 1,
						script: 1,
						select: 1,
						style: 1,
						textarea: 1,
						title: 1,
						pre: 1
					},
					printable: true,
					//rotation: 0,
					//selectable: false,
					selector: (
				window.Sizzle
			|| (window.jQuery && function(query) { return jQuery(query); }) // avoid noConflict issues
			|| (window.dojo && dojo.query)
			|| (window.Ext && Ext.query)
			|| (window.YAHOO && YAHOO.util && YAHOO.util.Selector && YAHOO.util.Selector.query)
			|| (window.$$ && function(query) { return $$(query); })
			|| (window.$ && function(query) { return $(query); })
			|| (document.querySelectorAll && function(query) { return document.querySelectorAll(query); })
			|| elementsByTagName
		),
					separate: 'words', // 'none' and 'characters' are also accepted
					textless: {
						dl: 1,
						html: 1,
						ol: 1,
						table: 1,
						tbody: 1,
						thead: 1,
						tfoot: 1,
						tr: 1,
						ul: 1
					},
					textShadow: 'none'
				};

				var separators = {
					// The first pattern may cause unicode characters above
					// code point 255 to be removed in Safari 3.0. Luckily enough
					// Safari 3.0 does not include non-breaking spaces in \s, so
					// we can just use a simple alternative pattern.
					words: /\s/.test('\u00a0') ? /[^\S\u00a0]+/ : /\s+/,
					characters: '',
					none: /^/
				};

				api.now = function() {
					DOM.ready();
					return api;
				};

				api.refresh = function() {
					replaceHistory.repeat.apply(replaceHistory, arguments);
					return api;
				};

				api.registerEngine = function(id, engine) {
					if (!engine) return api;
					engines[id] = engine;
					return api.set('engine', id);
				};

				api.registerFont = function(data) {
					if (!data) return api;
					var font = new Font(data), family = font.family;
					if (!fonts[family]) fonts[family] = new FontFamily();
					fonts[family].add(font);
					return api.set('fontFamily', '"' + family + '"');
				};

				api.replace = function(elements, options, ignoreHistory) {
					options = merge(defaultOptions, options);
					if (!options.engine) return api; // there's no browser support so we'll just stop here
					if (!initialized) {
						CSS.addClass(DOM.root(), 'cufon-active cufon-loading');
						CSS.ready(function() {
							// fires before any replace() calls, but it doesn't really matter
							CSS.addClass(CSS.removeClass(DOM.root(), 'cufon-loading'), 'cufon-ready');
						});
						initialized = true;
					}
					if (options.hover) options.forceHitArea = true;
					if (options.autoDetect) delete options.fontFamily;
					if (typeof options.textShadow == 'string') {
						options.textShadow = CSS.textShadow(options.textShadow);
					}
					if (typeof options.color == 'string' && /^-/.test(options.color)) {
						options.textGradient = CSS.gradient(options.color);
					}
					else delete options.textGradient;
					if (!ignoreHistory) replaceHistory.add(elements, arguments);
					if (elements.nodeType || typeof elements == 'string') elements = [elements];
					CSS.ready(function() {
						for (var i = 0, l = elements.length; i < l; ++i) {
							var el = elements[i];
							if (typeof el == 'string') api.replace(options.selector(el), options, true);
							else replaceElement(el, options);
						}
					});
					return api;
				};

				api.set = function(option, value) {
					defaultOptions[option] = value;
					return api;
				};

				return api;

			})();

			Cufon.registerEngine('canvas', (function() {

				// Safari 2 doesn't support .apply() on native methods

				var check = document.createElement('canvas');
				if (!check || !check.getContext || !check.getContext.apply) return;
				check = null;

				var HAS_INLINE_BLOCK = Cufon.CSS.supports('display', 'inline-block');

				// Firefox 2 w/ non-strict doctype (almost standards mode)
				var HAS_BROKEN_LINEHEIGHT = !HAS_INLINE_BLOCK && (document.compatMode == 'BackCompat' || /frameset|transitional/i.test(document.doctype.publicId));

				var styleSheet = document.createElement('style');
				styleSheet.type = 'text/css';
				styleSheet.appendChild(document.createTextNode((
		'cufon{text-indent:0;}' +
		'@media screen,projection{' +
			'cufon{display:inline;display:inline-block;position:relative;vertical-align:middle;' +
			(HAS_BROKEN_LINEHEIGHT
				? ''
				: 'font-size:1px;line-height:1px;') +
			'}cufon cufontext{display:-moz-inline-box;display:inline-block;width:0;height:0;overflow:hidden;text-indent:-10000in;}' +
			(HAS_INLINE_BLOCK
				? 'cufon canvas{position:relative;}'
				: 'cufon canvas{position:absolute;}') +
		'}' +
		'@media print{' +
			'cufon{padding:0;}' + // Firefox 2
			'cufon canvas{display:none;}' +
		'}'
	).replace(/;/g, '!important;')));
				document.getElementsByTagName('head')[0].appendChild(styleSheet);

				function generateFromVML(path, context) {
					var atX = 0, atY = 0;
					var code = [], re = /([mrvxe])([^a-z]*)/g, match;
					generate: for (var i = 0; match = re.exec(path); ++i) {
						var c = match[2].split(',');
						switch (match[1]) {
							case 'v':
								code[i] = { m: 'bezierCurveTo', a: [atX + ~ ~c[0], atY + ~ ~c[1], atX + ~ ~c[2], atY + ~ ~c[3], atX += ~ ~c[4], atY += ~ ~c[5]] };
								break;
							case 'r':
								code[i] = { m: 'lineTo', a: [atX += ~ ~c[0], atY += ~ ~c[1]] };
								break;
							case 'm':
								code[i] = { m: 'moveTo', a: [atX = ~ ~c[0], atY = ~ ~c[1]] };
								break;
							case 'x':
								code[i] = { m: 'closePath' };
								break;
							case 'e':
								break generate;
						}
						context[code[i].m].apply(context, code[i].a);
					}
					return code;
				}

				function interpret(code, context) {
					for (var i = 0, l = code.length; i < l; ++i) {
						var line = code[i];
						context[line.m].apply(context, line.a);
					}
				}

				return function(font, text, style, options, node, el) {

					var redraw = (text === null);

					if (redraw) text = node.getAttribute('alt');

					var viewBox = font.viewBox;

					var size = style.getSize('fontSize', font.baseSize);

					var expandTop = 0, expandRight = 0, expandBottom = 0, expandLeft = 0;
					var shadows = options.textShadow, shadowOffsets = [];
					if (shadows) {
						for (var i = shadows.length; i--; ) {
							var shadow = shadows[i];
							var x = size.convertFrom(parseFloat(shadow.offX));
							var y = size.convertFrom(parseFloat(shadow.offY));
							shadowOffsets[i] = [x, y];
							if (y < expandTop) expandTop = y;
							if (x > expandRight) expandRight = x;
							if (y > expandBottom) expandBottom = y;
							if (x < expandLeft) expandLeft = x;
						}
					}

					var chars = Cufon.CSS.textTransform(text, style).split('');

					var jumps = font.spacing(chars,
			~ ~size.convertFrom(parseFloat(style.get('letterSpacing')) || 0),
			~ ~size.convertFrom(parseFloat(style.get('wordSpacing')) || 0)
		);

					if (!jumps.length) return null; // there's nothing to render

					var width = jumps.total;

					expandRight += viewBox.width - jumps[jumps.length - 1];
					expandLeft += viewBox.minX;

					var wrapper, canvas;

					if (redraw) {
						wrapper = node;
						canvas = node.firstChild;
					}
					else {
						wrapper = document.createElement('cufon');
						wrapper.className = 'cufon cufon-canvas';
						wrapper.setAttribute('alt', text);

						canvas = document.createElement('canvas');
						wrapper.appendChild(canvas);

						if (options.printable) {
							var print = document.createElement('cufontext');
							print.appendChild(document.createTextNode(text));
							wrapper.appendChild(print);
						}
					}

					var wStyle = wrapper.style;
					var cStyle = canvas.style;

					var height = size.convert(viewBox.height);
					var roundedHeight = Math.ceil(height);
					var roundingFactor = roundedHeight / height;
					var stretchFactor = roundingFactor * Cufon.CSS.fontStretch(style.get('fontStretch'));
					var stretchedWidth = width * stretchFactor;

					var canvasWidth = Math.ceil(size.convert(stretchedWidth + expandRight - expandLeft));
					var canvasHeight = Math.ceil(size.convert(viewBox.height - expandTop + expandBottom));

					canvas.width = canvasWidth;
					canvas.height = canvasHeight;

					// needed for WebKit and full page zoom
					cStyle.width = canvasWidth + 'px';
					cStyle.height = canvasHeight + 'px';

					// minY has no part in canvas.height
					expandTop += viewBox.minY;

					cStyle.top = Math.round(size.convert(expandTop - font.ascent)) + 'px';
					cStyle.left = Math.round(size.convert(expandLeft)) + 'px';

					var wrapperWidth = Math.max(Math.ceil(size.convert(stretchedWidth)), 0) + 'px';

					if (HAS_INLINE_BLOCK) {
						wStyle.width = wrapperWidth;
						wStyle.height = size.convert(font.height) + 'px';
					}
					else {
						wStyle.paddingLeft = wrapperWidth;
						wStyle.paddingBottom = (size.convert(font.height) - 1) + 'px';
					}

					var g = canvas.getContext('2d'), scale = height / viewBox.height;

					// proper horizontal scaling is performed later
					g.scale(scale, scale * roundingFactor);
					g.translate(-expandLeft, -expandTop);
					g.save();

					function renderText() {
						var glyphs = font.glyphs, glyph, i = -1, j = -1, chr;
						g.scale(stretchFactor, 1);
						while (chr = chars[++i]) {
							var glyph = glyphs[chars[i]] || font.missingGlyph;
							if (!glyph) continue;
							if (glyph.d) {
								g.beginPath();
								if (glyph.code) interpret(glyph.code, g);
								else glyph.code = generateFromVML('m' + glyph.d, g);
								g.fill();
							}
							g.translate(jumps[++j], 0);
						}
						g.restore();
					}

					if (shadows) {
						for (var i = shadows.length; i--; ) {
							var shadow = shadows[i];
							g.save();
							g.fillStyle = shadow.color;
							g.translate.apply(g, shadowOffsets[i]);
							renderText();
						}
					}

					var gradient = options.textGradient;
					if (gradient) {
						var stops = gradient.stops, fill = g.createLinearGradient(0, viewBox.minY, 0, viewBox.maxY);
						for (var i = 0, l = stops.length; i < l; ++i) {
							fill.addColorStop.apply(fill, stops[i]);
						}
						g.fillStyle = fill;
					}
					else g.fillStyle = style.get('color');

					renderText();

					return wrapper;

				};

			})());

			Cufon.registerEngine('vml', (function() {

				var ns = document.namespaces;
				if (!ns) return;
				ns.add('cvml', 'urn:schemas-microsoft-com:vml');
				ns = null;

				var check = document.createElement('cvml:shape');
				check.style.behavior = 'url(#default#VML)';
				if (!check.coordsize) return; // VML isn't supported
				check = null;

				var HAS_BROKEN_LINEHEIGHT = (document.documentMode || 0) < 8;

				document.write(('<style type="text/css">' +
		'cufoncanvas{text-indent:0;}' +
		'@media screen{' +
			'cvml\\:shape,cvml\\:rect,cvml\\:fill,cvml\\:shadow{behavior:url(#default#VML);display:block;antialias:true;position:absolute;}' +
			'cufoncanvas{position:absolute;text-align:left;}' +
			'cufon{display:inline-block;position:relative;vertical-align:' +
			(HAS_BROKEN_LINEHEIGHT
				? 'middle'
				: 'text-bottom') +
			';}' +
			'cufon cufontext{position:absolute;left:-10000in;font-size:1px;}' +
			'a cufon{cursor:pointer}' + // ignore !important here
		'}' +
		'@media print{' +
			'cufon cufoncanvas{display:none;}' +
		'}' +
	'</style>').replace(/;/g, '!important;'));

				function getFontSizeInPixels(el, value) {
					return getSizeInPixels(el, /(?:em|ex|%)$|^[a-z-]+$/i.test(value) ? '1em' : value);
				}

				// Original by Dead Edwards.
				// Combined with getFontSizeInPixels it also works with relative units.
				function getSizeInPixels(el, value) {
					if (value === '0') return 0;
					if (/px$/i.test(value)) return parseFloat(value);
					var style = el.style.left, runtimeStyle = el.runtimeStyle.left;
					el.runtimeStyle.left = el.currentStyle.left;
					el.style.left = value.replace('%', 'em');
					var result = el.style.pixelLeft;
					el.style.left = style;
					el.runtimeStyle.left = runtimeStyle;
					return result;
				}

				function getSpacingValue(el, style, size, property) {
					var key = 'computed' + property, value = style[key];
					if (isNaN(value)) {
						value = style.get(property);
						style[key] = value = (value == 'normal') ? 0 : ~ ~size.convertFrom(getSizeInPixels(el, value));
					}
					return value;
				}

				var fills = {};

				function gradientFill(gradient) {
					var id = gradient.id;
					if (!fills[id]) {
						var stops = gradient.stops, fill = document.createElement('cvml:fill'), colors = [];
						fill.type = 'gradient';
						fill.angle = 180;
						fill.focus = '0';
						fill.method = 'sigma';
						fill.color = stops[0][1];
						for (var j = 1, k = stops.length - 1; j < k; ++j) {
							colors.push(stops[j][0] * 100 + '% ' + stops[j][1]);
						}
						fill.colors = colors.join(',');
						fill.color2 = stops[k][1];
						fills[id] = fill;
					}
					return fills[id];
				}

				return function(font, text, style, options, node, el, hasNext) {

					var redraw = (text === null);

					if (redraw) text = node.alt;

					var viewBox = font.viewBox;

					var size = style.computedFontSize || (style.computedFontSize = new Cufon.CSS.Size(getFontSizeInPixels(el, style.get('fontSize')) + 'px', font.baseSize));

					var wrapper, canvas;

					if (redraw) {
						wrapper = node;
						canvas = node.firstChild;
					}
					else {
						wrapper = document.createElement('cufon');
						wrapper.className = 'cufon cufon-vml';
						wrapper.alt = text;

						canvas = document.createElement('cufoncanvas');
						wrapper.appendChild(canvas);

						if (options.printable) {
							var print = document.createElement('cufontext');
							print.appendChild(document.createTextNode(text));
							wrapper.appendChild(print);
						}

						// ie6, for some reason, has trouble rendering the last VML element in the document.
						// we can work around this by injecting a dummy element where needed.
						// @todo find a better solution
						if (!hasNext) wrapper.appendChild(document.createElement('cvml:shape'));
					}

					var wStyle = wrapper.style;
					var cStyle = canvas.style;

					var height = size.convert(viewBox.height), roundedHeight = Math.ceil(height);
					var roundingFactor = roundedHeight / height;
					var stretchFactor = roundingFactor * Cufon.CSS.fontStretch(style.get('fontStretch'));
					var minX = viewBox.minX, minY = viewBox.minY;

					cStyle.height = roundedHeight;
					cStyle.top = Math.round(size.convert(minY - font.ascent));
					cStyle.left = Math.round(size.convert(minX));

					wStyle.height = size.convert(font.height) + 'px';

					var color = style.get('color');
					var chars = Cufon.CSS.textTransform(text, style).split('');

					var jumps = font.spacing(chars,
			getSpacingValue(el, style, size, 'letterSpacing'),
			getSpacingValue(el, style, size, 'wordSpacing')
		);

					if (!jumps.length) return null;

					var width = jumps.total;
					var fullWidth = -minX + width + (viewBox.width - jumps[jumps.length - 1]);

					var shapeWidth = size.convert(fullWidth * stretchFactor), roundedShapeWidth = Math.round(shapeWidth);

					var coordSize = fullWidth + ',' + viewBox.height, coordOrigin;
					var stretch = 'r' + coordSize + 'ns';

					var fill = options.textGradient && gradientFill(options.textGradient);

					var glyphs = font.glyphs, offsetX = 0;
					var shadows = options.textShadow;
					var i = -1, j = 0, chr;

					while (chr = chars[++i]) {

						var glyph = glyphs[chars[i]] || font.missingGlyph, shape;
						if (!glyph) continue;

						if (redraw) {
							// some glyphs may be missing so we can't use i
							shape = canvas.childNodes[j];
							while (shape.firstChild) shape.removeChild(shape.firstChild); // shadow, fill
						}
						else {
							shape = document.createElement('cvml:shape');
							canvas.appendChild(shape);
						}

						shape.stroked = 'f';
						shape.coordsize = coordSize;
						shape.coordorigin = coordOrigin = (minX - offsetX) + ',' + minY;
						shape.path = (glyph.d ? 'm' + glyph.d + 'xe' : '') + 'm' + coordOrigin + stretch;
						shape.fillcolor = color;

						if (fill) shape.appendChild(fill.cloneNode(false));

						// it's important to not set top/left or IE8 will grind to a halt
						var sStyle = shape.style;
						sStyle.width = roundedShapeWidth;
						sStyle.height = roundedHeight;

						if (shadows) {
							// due to the limitations of the VML shadow element there
							// can only be two visible shadows. opacity is shared
							// for all shadows.
							var shadow1 = shadows[0], shadow2 = shadows[1];
							var color1 = Cufon.CSS.color(shadow1.color), color2;
							var shadow = document.createElement('cvml:shadow');
							shadow.on = 't';
							shadow.color = color1.color;
							shadow.offset = shadow1.offX + ',' + shadow1.offY;
							if (shadow2) {
								color2 = Cufon.CSS.color(shadow2.color);
								shadow.type = 'double';
								shadow.color2 = color2.color;
								shadow.offset2 = shadow2.offX + ',' + shadow2.offY;
							}
							shadow.opacity = color1.opacity || (color2 && color2.opacity) || 1;
							shape.appendChild(shadow);
						}

						offsetX += jumps[j++];
					}

					// addresses flickering issues on :hover

					var cover = shape.nextSibling, coverFill, vStyle;

					if (options.forceHitArea) {

						if (!cover) {
							cover = document.createElement('cvml:rect');
							cover.stroked = 'f';
							cover.className = 'cufon-vml-cover';
							coverFill = document.createElement('cvml:fill');
							coverFill.opacity = 0;
							cover.appendChild(coverFill);
							canvas.appendChild(cover);
						}

						vStyle = cover.style;

						vStyle.width = roundedShapeWidth;
						vStyle.height = roundedHeight;

					}
					else if (cover) canvas.removeChild(cover);

					wStyle.width = Math.max(Math.ceil(size.convert(width * stretchFactor)), 0);

					if (HAS_BROKEN_LINEHEIGHT) {

						var yAdjust = style.computedYAdjust;

						if (yAdjust === undefined) {
							var lineHeight = style.get('lineHeight');
							if (lineHeight == 'normal') lineHeight = '1em';
							else if (!isNaN(lineHeight)) lineHeight += 'em'; // no unit
							style.computedYAdjust = yAdjust = 0.5 * (getSizeInPixels(el, lineHeight) - parseFloat(wStyle.height));
						}

						if (yAdjust) {
							wStyle.marginTop = Math.ceil(yAdjust) + 'px';
							wStyle.marginBottom = yAdjust + 'px';
						}

					}

					return wrapper;

				};

			})());