/*!
 * Copyright (c) 2008 Simo Kinnunen.
 * Licensed under the MIT license.
 */

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);
            };

        })()

    };

    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;
            };

        },

        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);
        },

        ready: (function() {

            var complete = false;

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

            // Safari 2 does not include <style> elements in document.styleSheets.
            // Safari 2 also does not support Object.prototype.propertyIsEnumerable.

            var styleElements = Object.prototype.propertyIsEnumerable ? elementsByTagName('style') : { length: 0 };
            var linkElements = elementsByTagName('link');

            DOM.ready(function() {
                // These checks are actually only needed for WebKit-based browsers, but don't really hurt other browsers.
                var linkStyles = 0, link;
                for (var i = 0, l = linkElements.length; link = linkElements[i], i < l; ++i) {
                    // WebKit does not load alternate stylesheets.
                    if (!link.disabled && link.rel.toLowerCase() == 'stylesheet') ++linkStyles;
                }
                if (document.styleSheets.length >= styleElements.length + linkStyles) perform();
                else setTimeout(arguments.callee, 10);
            });

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

        })(),

        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;
        },

        textDecoration: function(el, style) {
            if (!style) style = this.getStyle(el);
            var types = {
                underline: null,
                overline: null,
                'line-through': null
            };
            for (var search = el; search.parentNode && search.parentNode.nodeType == 1; ) {
                var foundAll = true;
                for (var type in types) {
                    if (types[type]) continue;
                    if (style.get('textDecoration').indexOf(type) != -1) types[type] = style.get('color');
                    foundAll = false;
                }
                if (foundAll) break; // this is rather unlikely to happen
                style = this.getStyle(search = search.parentNode);
            }
            return types;
        },

        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;
        }),

        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;
        }),

        textTransform: function(text, style) {
            return text[{
                uppercase: 'toUpperCase',
                lowercase: 'toLowerCase'
}[style.get('textTransform')] || 'toString']();
            }

        };

        api.VML = {

            parsePath: function(path) {
                var cmds = [], re = /([mrvxe])([^a-z]*)/g, match;
                while (match = re.exec(path)) {
                    cmds.push({
                        type: match[1],
                        coords: match[2].split(',')
                    });
                }
                return cmds;
            }

        };

        function Font(data) {

            var face = this.face = data.face;
            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+/);
                return {
                    minX: parseInt(parts[0], 10),
                    minY: parseInt(parts[1], 10),
                    width: parseInt(parts[2], 10) - parseInt(parts[0], 10),
                    height: parseInt(parts[3], 10) - parseInt(parts[1], 10),
                    toString: function() {
                        return [this.minX, this.minY, this.width, this.height].join(' ');
                    }
                };
            })();

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

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

        }

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

                }

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

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

                function getFont(el, style) {
                    if (!style) style = CSS.getStyle(el);
                    var families = style.get('fontFamily').split(/\s*,\s*/), family;
                    for (var i = 0, l = families.length; i < l; ++i) {
                        family = families[i].replace(/^(["'])(.*?)\1$/, '$2').toLowerCase();
                        if (fonts[family]) return fonts[family].get(style.get('fontStyle'), style.get('fontWeight'));
                    }
                    return null;
                }

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

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

                function process(font, text, style, options, node, el) {
                    var separate = options.separate;
                    if (separate == 'none') return engines[options.engine].apply(null, arguments);
                    var fragment = document.createDocumentFragment(), processed;
                    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 storage = sharedStorage.get(el);
                    if (!options) options = storage.options;
                    var font, style, nextNode;
                    for (var node = el.firstChild; node; node = nextNode) {
                        nextNode = node.nextSibling;
                        if (node.nodeType == 1) {
                            if (!node.firstChild) continue;
                            if (cufon.test(node.className)) {
                                arguments.callee(node, options);
                                continue;
                            }
                        }


                        var text = node.nodeType == 3 ? node.data : node.alt;
                        if (text.trim() == '') continue;

                        if (!style) style = CSS.getStyle(el).extend(options);
                        if (!font) font = getFont(el, style);
                        if (!font) continue;
                        var processed = process(font, text, style, options, node, el);
                        if (processed) node.parentNode.replaceChild(processed, node);
                        else node.parentNode.removeChild(node);
                    }
                    if (!storage.options) {
                        storage.options = options;
                    }
                }

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

                var sharedStorage = new Storage();
                var replaceHistory = [];

                var engines = {}, fonts = {}, defaultOptions = {
                    enableTextDecoration: false,
                    engine: null,
                    //fontScale: 1,
                    //fontScaling: false,
                    //hover: false,
                    printable: true,
                    //rotation: 0,
                    //selectable: false,
                    selector: (
				window.Sizzle
			|| (window.dojo && dojo.query)
			|| (window.$$ && function(query) { return $$(query); })
			|| window.$
			|| (document.querySelectorAll && function(query) { return document.querySelectorAll(query); })
			|| elementsByTagName
		),
                    separate: 'words', // 'none' and 'characters' are also accepted
                    textShadow: 'none'
                };

                var separators = {
                    words: /\s+/,
                    characters: ''
                };

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

                api.refresh = function() {
                    var currentHistory = replaceHistory.splice(0, replaceHistory.length);
                    for (var i = 0, l = currentHistory.length; i < l; ++i) {
                        api.replace.apply(null, currentHistory[i]);
                    }
                    return api;
                };

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

                api.registerFont = function(data) {
                    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 (typeof options.textShadow == 'string')
                        options.textShadow = CSS.textShadow(options.textShadow);
                    if (!ignoreHistory) replaceHistory.push(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 null;
	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(
		'@media screen,projection{' +
			'.cufon-canvas{display:inline;display:inline-block;position:relative;vertical-align:middle' + 
			(HAS_BROKEN_LINEHEIGHT
				? ''
				: ';font-size:1px;line-height:1px') +
			'}.cufon-canvas .cufon-alt{display:none}' +
			(HAS_INLINE_BLOCK
				? '.cufon-canvas canvas{position:relative}'
				: '.cufon-canvas canvas{position:absolute}') +
		'}' +
		'@media print{' +
			'.cufon-canvas{padding:0 !important}' +
			'.cufon-canvas canvas{display:none}' +
			'.cufon-canvas .cufon-alt{display:inline}' +
		'}'
	));
	document.getElementsByTagName('head')[0].appendChild(styleSheet);

	function generateFromVML(path, context) {
		var atX = 0, atY = 0;
		var cmds = Cufon.VML.parsePath(path);
		var code = new Array(cmds.length - 1);
		generate: for (var i = 0, l = cmds.length; i < l; ++i) {
			var c = cmds[i].coords;
			switch (cmds[i].type) {
				case 'v':
					code[i] = { m: 'bezierCurveTo', a: [ atX + Number(c[0]), atY + Number(c[1]), atX + Number(c[2]), atY + Number(c[3]), atX += Number(c[4]), atY += Number(c[5]) ] };
					break;
				case 'r':
					code[i] = { m: 'lineTo', a: [ atX += Number(c[0]), atY += Number(c[1]) ] };
					break;
				case 'm':
					code[i] = { m: 'moveTo', a: [ atX = Number(c[0]), atY = Number(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 viewBox = font.viewBox;
		
		var size = style.getSize('fontSize', font.baseSize);
		
		var letterSpacing = style.get('letterSpacing');
		letterSpacing = (letterSpacing == 'normal') ? 0 : size.convertFrom(parseInt(letterSpacing, 10));
		
		var expandTop = 0, expandRight = 0, expandBottom = 0, expandLeft = 0;
		var shadows = options.textShadow, shadowOffsets = [];
		if (shadows) {
			for (var i = 0, l = shadows.length; i < l; ++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 width = 0, lastWidth = null;
		
		for (var i = 0, l = chars.length; i < l; ++i) {
			var glyph = font.glyphs[chars[i]] || font.missingGlyph;
			if (!glyph) continue;
			width += lastWidth = Number(glyph.w || font.w) + letterSpacing;
		}
		
		if (lastWidth === null) return null; // there's nothing to render
		
		expandRight += (viewBox.width - lastWidth);
		expandLeft += viewBox.minX;
		
		var wrapper = document.createElement('span');
		wrapper.className = 'cufon cufon-canvas';
		wrapper.alt = text;
		
		var canvas = document.createElement('canvas');
		
		var wStyle = wrapper.style;
		var cStyle = canvas.style;
		
		var height = size.convert(viewBox.height - expandTop + expandBottom);
		var roundedHeight = Math.ceil(height);
		var roundingFactor = roundedHeight / height;
		
		canvas.width = Math.ceil(size.convert(width + expandRight - expandLeft) * roundingFactor);
		canvas.height = roundedHeight;
		
		// 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.ceil(size.convert(width * roundingFactor)) + '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 = roundedHeight / viewBox.height;
		
		g.scale(scale, scale);
		g.translate(-expandLeft, -expandTop);
		
		g.lineWidth = font.face['underline-thickness'];
		
		g.save();
		
		function line(y, color) {
			g.strokeStyle = color;
			
			g.beginPath();
			
			g.moveTo(0, y);
			g.lineTo(width, y);
			
			g.stroke();
		}
		
		var textDecoration = options.enableTextDecoration ? Cufon.CSS.textDecoration(el, style) : {};
		
		if (textDecoration.underline) line(-font.face['underline-position'], textDecoration.underline);
		if (textDecoration.overline) line(font.ascent, textDecoration.overline);
		
		g.fillStyle = style.get('color');
		
		function renderText() {
			for (var i = 0, l = chars.length; i < l; ++i) {
				var glyph = font.glyphs[chars[i]] || font.missingGlyph;
				if (!glyph) continue;
				g.beginPath();
				if (glyph.d) {
					if (glyph.code) interpret(glyph.code, g);
					else glyph.code = generateFromVML('m' + glyph.d, g);
				}
				g.fill();
				g.translate(Number(glyph.w || font.w) + letterSpacing, 0);
			}
		}
		
		if (shadows) {
			for (var i = 0, l = shadows.length; i < l; ++i) {
				var shadow = shadows[i];
				g.save();
				g.fillStyle = shadow.color;
				g.translate.apply(g, shadowOffsets[i]);
				renderText();
				g.restore();
			}
		}
		
		renderText();
		
		g.restore();
		
		if (textDecoration['line-through']) line(-font.descent, textDecoration['line-through']);
		
		wrapper.appendChild(canvas);
		
		if (options.printable) {
			var print = document.createElement('span');
			print.className = 'cufon-alt';
			print.appendChild(document.createTextNode(text));
			wrapper.appendChild(print);
		}
		
		return wrapper;
			
	};
	
})());

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

	if (!document.namespaces) return;

	// isn't undocumented stuff great?
	document.write('<!--[if vml]><script type="text/javascript">Cufon.vmlEnabled=true;</script><![endif]-->');
	if (!Cufon.vmlEnabled) return;
	
	if (document.namespaces['cvml'] == null) {
		document.namespaces.add('cvml', 'urn:schemas-microsoft-com:vml');
		document.write('<style type="text/css">' +
			'@media screen{' + 
				'cvml\\:shape,cvml\\:group,cvml\\:shapetype,cvml\\:fill{behavior:url(#default#VML);display:inline-block;antialias:true;position:absolute}' +
				'.cufon-vml{display:inline-block;position:relative;vertical-align:middle}' +
				'.cufon-vml .cufon-alt{display:none}' +
				'a .cufon-vml{cursor:pointer}' +
			'}' +
			'@media print{' + 
				'.cufon-vml *{display:none}' +
				'.cufon-vml .cufon-alt{display:inline}' +
			'}' +
		'</style>');
	}

	var typeIndex = 0; // this is used to reference VML ShapeTypes

	function getFontSizeInPixels(el, value) {
		return getSizeInPixels(el, /(?:em|ex|%)$/i.test(value) ? '1em' : value);
	}
	
	// Original by Dead Edwards.
	// Combined with getFontSizeInPixels it also works with relative units.
	function getSizeInPixels(el, value) {
		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;
		var result = el.style.pixelLeft;
		el.style.left = style;
		el.runtimeStyle.left = runtimeStyle;
		return result;
	}
	
	function createType(glyph, viewBox) {
		var shapeType = document.createElement('cvml:shapetype');
		shapeType.id = 'cufon-glyph-' + typeIndex++;
		glyph.typeRef = '#' + shapeType.id;
		shapeType.stroked = 'f';
		shapeType.coordsize = viewBox.width + ',' + viewBox.height;
		shapeType.coordorigin = viewBox.minX + ',' + viewBox.minY;
		var ensureSize = 'm' + viewBox.minX + ',' + viewBox.minY + ' r' + viewBox.width + ',' + viewBox.height;
		shapeType.path = (glyph.d ? 'm' + glyph.d + 'x' : '') + ensureSize;
		document.body.insertBefore(shapeType, document.body.firstChild);
	}
	
	return function(font, text, style, options, node, el, hasNext) {
	
		// @todo word-spacing, text-decoration
	
		var viewBox = font.viewBox;
		
		var size = style.computedFontSize || (style.computedFontSize = new Cufon.CSS.Size(getFontSizeInPixels(el, style.get('fontSize')) + 'px', font.baseSize));
		
		var letterSpacing = style.computedLSpacing;
		
		if (letterSpacing == undefined) {
			letterSpacing = style.get('letterSpacing');
			style.computedLSpacing = letterSpacing = (letterSpacing == 'normal') ? 0 : size.convertFrom(getSizeInPixels(el, letterSpacing));
		}
		
		var wrapper = document.createElement('span');
		wrapper.className = 'cufon cufon-vml';
		wrapper.alt = text;
		
		var canvas = document.createElement('cvml:group');
		
		var wStyle = wrapper.runtimeStyle;
		var cStyle = canvas.runtimeStyle;
		
		var height = size.convert(viewBox.height);
		
		cStyle.height = Math.ceil(height);
		cStyle.top = Math.round(size.convert(viewBox.minY - font.ascent));
		cStyle.left = Math.round(size.convert(viewBox.minX));
		
		var roundingFactor = parseInt(cStyle.height, 10) / height;
		
		wStyle.height = size.convert(-font.ascent + font.descent) + 'px';
		
		var textDecoration = options.enableTextDecoration ? Cufon.CSS.textDecoration(el, style) : {};
		
		var color = style.get('color');
		var chars = Cufon.CSS.textTransform(text, style).split('');
		
		var width = 0, offsetX = 0, advance = null;
		
		var shadows = options.textShadow;
		
		for (var i = 0, l = chars.length; i < l; ++i) {
		
			var glyph = font.glyphs[chars[i]] || font.missingGlyph;
			if (!glyph) continue;
			
			if (!glyph.typeRef) createType(glyph, viewBox);
			
			var shape = document.createElement('cvml:shape');
			shape.type = glyph.typeRef;
			var sStyle = shape.runtimeStyle;
			sStyle.width = viewBox.width;
			sStyle.height = viewBox.height;
			sStyle.top = 0;
			sStyle.left = offsetX;
			sStyle.zIndex = 1;
			shape.fillcolor = color;
			canvas.appendChild(shape);
			
			if (shadows) {
				// the VML shadow element is not used because it can only support
				// up to 2 shadows. and it breaks text selection.
				for (var z = 0, p = shadows.length; z < p; ++z) {
					var shadow = shadows[z];
					var shadowColor = Cufon.CSS.color(shadow.color);
					var shadowNode = shape.cloneNode(false), zStyle = shadowNode.runtimeStyle;
					zStyle.top = size.convertFrom(parseFloat(shadow.offY));
					zStyle.left = offsetX + size.convertFrom(parseFloat(shadow.offX));
					zStyle.zIndex = 0;
					shadowNode.fillcolor = shadowColor.color;
					if (shadowColor.opacity) {
						var shadowFill = document.createElement('cvml:fill');
						shadowFill.opacity = shadowColor.opacity;
						shadowNode.appendChild(shadowFill);
					}
					canvas.appendChild(shadowNode);
				}
			}
			
			advance = Number(glyph.w || font.w) + letterSpacing;
			
			width += advance;
			offsetX += advance;
			
		}
		
		if (advance === null) return null;
		
		var fullWidth = -viewBox.minX + width + (viewBox.width - advance);
		
		canvas.coordsize = fullWidth + ',' + viewBox.height;
		
		cStyle.width = size.convert(fullWidth * roundingFactor);
		
		wStyle.width = Math.max(Math.ceil(size.convert(width * roundingFactor)), 0);
		
		wrapper.appendChild(canvas);
	
		if (options.printable) {
			var print = document.createElement('span');
			print.className = 'cufon-alt';
			print.innerText = 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:group'));
		
		return wrapper;
		
	};
	
})());