/*!
* Copyright (c) 2010 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, simple) {
                    if (simple) return text.replace(wsStart, '').replace(wsEnd, '');
                    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, w,
				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;
                    }
                    w = glyph.w;
                    if (isNaN(w)) w = +this.w; // may have been a String in old fonts
                    if (w > 0) {
                        w += letterSpacing;
                        if (wordSeparators[chr]) w += wordSpacing;
                    }
                    width += jumps[++j] = ~ ~w; // get rid of decimals
                    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) {
                        try {
                            if (node.contains) return node.contains(anotherNode);
                            return node.compareDocumentPosition(anotherNode) & 16;
                        }
                        catch (e) { } // probably a XUL element such as a scrollbar
                        return false;
                    }

                    function onOverOut(e) {
                        var related = e.relatedTarget;
                        // there might be no relatedTarget if the element is right next
                        // to the window frame
                        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], simple = (options.trim === 'simple');
                    var style = CSS.getStyle(attach(el, options)).extend(options);
                    // may cause issues if the element contains other elements
                    // with larger fontSize, however such cases are rare and can
                    // be fixed by using a more specific selector
                    if (parseFloat(style.get('fontSize')) === 0) return;
                    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, simple),
					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,
                        noscript: 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.glow && glow.dom && glow.dom.get)
			|| (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',
                    trim: 'simple'
                };

                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;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 (!isNaN(value) || /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 = 'none';
                        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;

                };

            })());