/*  Prototype JavaScript framework, version 1.5.1
*  (c) 2005-2007 Sam Stephenson
*
*  Prototype is freely distributable under the terms of an MIT-style license.
*  For details, see the Prototype web site: http://www.prototypejs.org/
*
/*--------------------------------------------------------------------------*/

var Prototype = {
    Version: '1.5.1',

    Browser: {
        IE: !!(window.attachEvent && !window.opera),
        Opera: !!window.opera,
        WebKit: navigator.userAgent.indexOf('AppleWebKit/') > -1,
        Gecko: navigator.userAgent.indexOf('Gecko') > -1 && navigator.userAgent.indexOf('KHTML') == -1
    },

    BrowserFeatures: {
        XPath: !!document.evaluate,
        ElementExtensions: !!window.HTMLElement,
        SpecificElementExtensions:
      (document.createElement('div').__proto__ !==
       document.createElement('form').__proto__)
    },

    ScriptFragment: '<script[^>]*>([\u0001-\uFFFF]*?)</script>',
    JSONFilter: /^\/\*-secure-\s*(.*)\s*\*\/\s*$/,

    emptyFunction: function() { },
    K: function(x) { return x }
}

var Class = {
    create: function() {
        return function() {
            this.initialize.apply(this, arguments);
        }
    }
}

var Abstract = new Object();

Object.extend = function(destination, source) {
    for (var property in source) {
        destination[property] = source[property];
    }
    return destination;
}

Object.extend(Object, {
    inspect: function(object) {
        try {
            if (object === undefined) return 'undefined';
            if (object === null) return 'null';
            return object.inspect ? object.inspect() : object.toString();
        } catch (e) {
            if (e instanceof RangeError) return '...';
            throw e;
        }
    },

    toJSON: function(object) {
        var type = typeof object;
        switch (type) {
            case 'undefined':
            case 'function':
            case 'unknown': return;
            case 'boolean': return object.toString();
        }
        if (object === null) return 'null';
        if (object.toJSON) return object.toJSON();
        if (object.ownerDocument === document) return;
        var results = [];
        for (var property in object) {
            var value = Object.toJSON(object[property]);
            if (value !== undefined)
                results.push(property.toJSON() + ': ' + value);
        }
        return '{' + results.join(', ') + '}';
    },

    keys: function(object) {
        var keys = [];
        for (var property in object)
            keys.push(property);
        return keys;
    },

    values: function(object) {
        var values = [];
        for (var property in object)
            values.push(object[property]);
        return values;
    },

    clone: function(object) {
        return Object.extend({}, object);
    }
});

Function.prototype.bind = function() {
    var __method = this, args = $A(arguments), object = args.shift();
    return function() {
        return __method.apply(object, args.concat($A(arguments)));
    }
}

Function.prototype.bindAsEventListener = function(object) {
    var __method = this, args = $A(arguments), object = args.shift();
    return function(event) {
        return __method.apply(object, [event || window.event].concat(args));
    }
}

Object.extend(Number.prototype, {
    toColorPart: function() {
        return this.toPaddedString(2, 16);
    },

    succ: function() {
        return this + 1;
    },

    times: function(iterator) {
        $R(0, this, true).each(iterator);
        return this;
    },

    toPaddedString: function(length, radix) {
        var string = this.toString(radix || 10);
        return '0'.times(length - string.length) + string;
    },

    toJSON: function() {
        return isFinite(this) ? this.toString() : 'null';
    }
});

Date.prototype.toJSON = function() {
    return '"' + this.getFullYear() + '-' +
    (this.getMonth() + 1).toPaddedString(2) + '-' +
    this.getDate().toPaddedString(2) + 'T' +
    this.getHours().toPaddedString(2) + ':' +
    this.getMinutes().toPaddedString(2) + ':' +
    this.getSeconds().toPaddedString(2) + '"';
};

var Try = {
    these: function() {
        var returnValue;

        for (var i = 0, length = arguments.length; i < length; i++) {
            var lambda = arguments[i];
            try {
                returnValue = lambda();
                break;
            } catch (e) { }
        }

        return returnValue;
    }
}

/*--------------------------------------------------------------------------*/

var PeriodicalExecuter = Class.create();
PeriodicalExecuter.prototype = {
    initialize: function(callback, frequency) {
        this.callback = callback;
        this.frequency = frequency;
        this.currentlyExecuting = false;

        this.registerCallback();
    },

    registerCallback: function() {
        this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
    },

    stop: function() {
        if (!this.timer) return;
        clearInterval(this.timer);
        this.timer = null;
    },

    onTimerEvent: function() {
        if (!this.currentlyExecuting) {
            try {
                this.currentlyExecuting = true;
                this.callback(this);
            } finally {
                this.currentlyExecuting = false;
            }
        }
    }
}
Object.extend(String, {
    interpret: function(value) {
        return value == null ? '' : String(value);
    },
    specialChar: {
        '\b': '\\b',
        '\t': '\\t',
        '\n': '\\n',
        '\f': '\\f',
        '\r': '\\r',
        '\\': '\\\\'
    }
});

Object.extend(String.prototype, {
    gsub: function(pattern, replacement) {
        var result = '', source = this, match;
        replacement = arguments.callee.prepareReplacement(replacement);

        while (source.length > 0) {
            if (match = source.match(pattern)) {
                result += source.slice(0, match.index);
                result += String.interpret(replacement(match));
                source = source.slice(match.index + match[0].length);
            } else {
                result += source, source = '';
            }
        }
        return result;
    },

    sub: function(pattern, replacement, count) {
        replacement = this.gsub.prepareReplacement(replacement);
        count = count === undefined ? 1 : count;

        return this.gsub(pattern, function(match) {
            if (--count < 0) return match[0];
            return replacement(match);
        });
    },

    scan: function(pattern, iterator) {
        this.gsub(pattern, iterator);
        return this;
    },

    truncate: function(length, truncation) {
        length = length || 30;
        truncation = truncation === undefined ? '...' : truncation;
        return this.length > length ?
      this.slice(0, length - truncation.length) + truncation : this;
    },

    strip: function() {
        return this.replace(/^\s+/, '').replace(/\s+$/, '');
    },

    stripTags: function() {
        return this.replace(/<\/?[^>]+>/gi, '');
    },

    stripScripts: function() {
        return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), '');
    },

    extractScripts: function() {
        var matchAll = new RegExp(Prototype.ScriptFragment, 'img');
        var matchOne = new RegExp(Prototype.ScriptFragment, 'im');
        return (this.match(matchAll) || []).map(function(scriptTag) {
            return (scriptTag.match(matchOne) || ['', ''])[1];
        });
    },

    evalScripts: function() {
        return this.extractScripts().map(function(script) { return eval(script) });
    },

    escapeHTML: function() {
        var self = arguments.callee;
        self.text.data = this;
        return self.div.innerHTML;
    },

    unescapeHTML: function() {
        var div = document.createElement('div');
        div.innerHTML = this.stripTags();
        return div.childNodes[0] ? (div.childNodes.length > 1 ?
      $A(div.childNodes).inject('', function(memo, node) { return memo + node.nodeValue }) :
      div.childNodes[0].nodeValue) : '';
    },

    toQueryParams: function(separator) {
        var match = this.strip().match(/([^?#]*)(#.*)?$/);
        if (!match) return {};

        return match[1].split(separator || '&').inject({}, function(hash, pair) {
            if ((pair = pair.split('='))[0]) {
                var key = decodeURIComponent(pair.shift());
                var value = pair.length > 1 ? pair.join('=') : pair[0];
                if (value != undefined) value = decodeURIComponent(value);

                if (key in hash) {
                    if (hash[key].constructor != Array) hash[key] = [hash[key]];
                    hash[key].push(value);
                }
                else hash[key] = value;
            }
            return hash;
        });
    },

    toArray: function() {
        return this.split('');
    },

    succ: function() {
        return this.slice(0, this.length - 1) +
      String.fromCharCode(this.charCodeAt(this.length - 1) + 1);
    },

    times: function(count) {
        var result = '';
        for (var i = 0; i < count; i++) result += this;
        return result;
    },

    camelize: function() {
        var parts = this.split('-'), len = parts.length;
        if (len == 1) return parts[0];

        var camelized = this.charAt(0) == '-'
      ? parts[0].charAt(0).toUpperCase() + parts[0].substring(1)
      : parts[0];

        for (var i = 1; i < len; i++)
            camelized += parts[i].charAt(0).toUpperCase() + parts[i].substring(1);

        return camelized;
    },

    capitalize: function() {
        return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase();
    },

    underscore: function() {
        return this.gsub(/::/, '/').gsub(/([A-Z]+)([A-Z][a-z])/, '#{1}_#{2}').gsub(/([a-z\d])([A-Z])/, '#{1}_#{2}').gsub(/-/, '_').toLowerCase();
    },

    dasherize: function() {
        return this.gsub(/_/, '-');
    },

    inspect: function(useDoubleQuotes) {
        var escapedString = this.gsub(/[\x00-\x1f\\]/, function(match) {
            var character = String.specialChar[match[0]];
            return character ? character : '\\u00' + match[0].charCodeAt().toPaddedString(2, 16);
        });
        if (useDoubleQuotes) return '"' + escapedString.replace(/"/g, '\\"') + '"';
        return "'" + escapedString.replace(/'/g, '\\\'') + "'";
    },

    toJSON: function() {
        return this.inspect(true);
    },

    unfilterJSON: function(filter) {
        return this.sub(filter || Prototype.JSONFilter, '#{1}');
    },

    evalJSON: function(sanitize) {
        var json = this.unfilterJSON();
        try {
            if (!sanitize || (/^("(\\.|[^"\\\n\r])*?"|[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t])+?$/.test(json)))
                return eval('(' + json + ')');
        } catch (e) { }
        throw new SyntaxError('Badly formed JSON string: ' + this.inspect());
    },

    include: function(pattern) {
        return this.indexOf(pattern) > -1;
    },

    startsWith: function(pattern) {
        return this.indexOf(pattern) === 0;
    },

    endsWith: function(pattern) {
        var d = this.length - pattern.length;
        return d >= 0 && this.lastIndexOf(pattern) === d;
    },

    empty: function() {
        return this == '';
    },

    blank: function() {
        return /^\s*$/.test(this);
    }
});

if (Prototype.Browser.WebKit || Prototype.Browser.IE) Object.extend(String.prototype, {
    escapeHTML: function() {
        return this.replace(/&/g, '&amp;').replace(/</g, '&lt;').replace(/>/g, '&gt;');
    },
    unescapeHTML: function() {
        return this.replace(/&amp;/g, '&').replace(/&lt;/g, '<').replace(/&gt;/g, '>');
    }
});

String.prototype.gsub.prepareReplacement = function(replacement) {
    if (typeof replacement == 'function') return replacement;
    var template = new Template(replacement);
    return function(match) { return template.evaluate(match) };
}

String.prototype.parseQuery = String.prototype.toQueryParams;

Object.extend(String.prototype.escapeHTML, {
    div: document.createElement('div'),
    text: document.createTextNode('')
});

with (String.prototype.escapeHTML) div.appendChild(text);

var Template = Class.create();
Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/;
Template.prototype = {
    initialize: function(template, pattern) {
        this.template = template.toString();
        this.pattern = pattern || Template.Pattern;
    },

    evaluate: function(object) {
        return this.template.gsub(this.pattern, function(match) {
            var before = match[1];
            if (before == '\\') return match[2];
            return before + String.interpret(object[match[3]]);
        });
    }
}

var $break = {}, $continue = new Error('"throw $continue" is deprecated, use "return" instead');

var Enumerable = {
    each: function(iterator) {
        var index = 0;
        try {
            this._each(function(value) {
                iterator(value, index++);
            });
        } catch (e) {
            if (e != $break) throw e;
        }
        return this;
    },

    eachSlice: function(number, iterator) {
        var index = -number, slices = [], array = this.toArray();
        while ((index += number) < array.length)
            slices.push(array.slice(index, index + number));
        return slices.map(iterator);
    },

    all: function(iterator) {
        var result = true;
        this.each(function(value, index) {
            result = result && !!(iterator || Prototype.K)(value, index);
            if (!result) throw $break;
        });
        return result;
    },

    any: function(iterator) {
        var result = false;
        this.each(function(value, index) {
            if (result = !!(iterator || Prototype.K)(value, index))
                throw $break;
        });
        return result;
    },

    collect: function(iterator) {
        var results = [];
        this.each(function(value, index) {
            results.push((iterator || Prototype.K)(value, index));
        });
        return results;
    },

    detect: function(iterator) {
        var result;
        this.each(function(value, index) {
            if (iterator(value, index)) {
                result = value;
                throw $break;
            }
        });
        return result;
    },

    findAll: function(iterator) {
        var results = [];
        this.each(function(value, index) {
            if (iterator(value, index))
                results.push(value);
        });
        return results;
    },

    grep: function(pattern, iterator) {
        var results = [];
        this.each(function(value, index) {
            var stringValue = value.toString();
            if (stringValue.match(pattern))
                results.push((iterator || Prototype.K)(value, index));
        })
        return results;
    },

    include: function(object) {
        var found = false;
        this.each(function(value) {
            if (value == object) {
                found = true;
                throw $break;
            }
        });
        return found;
    },

    inGroupsOf: function(number, fillWith) {
        fillWith = fillWith === undefined ? null : fillWith;
        return this.eachSlice(number, function(slice) {
            while (slice.length < number) slice.push(fillWith);
            return slice;
        });
    },

    inject: function(memo, iterator) {
        this.each(function(value, index) {
            memo = iterator(memo, value, index);
        });
        return memo;
    },

    invoke: function(method) {
        var args = $A(arguments).slice(1);
        return this.map(function(value) {
            return value[method].apply(value, args);
        });
    },

    max: function(iterator) {
        var result;
        this.each(function(value, index) {
            value = (iterator || Prototype.K)(value, index);
            if (result == undefined || value >= result)
                result = value;
        });
        return result;
    },

    min: function(iterator) {
        var result;
        this.each(function(value, index) {
            value = (iterator || Prototype.K)(value, index);
            if (result == undefined || value < result)
                result = value;
        });
        return result;
    },

    partition: function(iterator) {
        var trues = [], falses = [];
        this.each(function(value, index) {
            ((iterator || Prototype.K)(value, index) ?
        trues : falses).push(value);
        });
        return [trues, falses];
    },

    pluck: function(property) {
        var results = [];
        this.each(function(value, index) {
            results.push(value[property]);
        });
        return results;
    },

    reject: function(iterator) {
        var results = [];
        this.each(function(value, index) {
            if (!iterator(value, index))
                results.push(value);
        });
        return results;
    },

    sortBy: function(iterator) {
        return this.map(function(value, index) {
            return { value: value, criteria: iterator(value, index) };
        }).sort(function(left, right) {
            var a = left.criteria, b = right.criteria;
            return a < b ? -1 : a > b ? 1 : 0;
        }).pluck('value');
    },

    toArray: function() {
        return this.map();
    },

    zip: function() {
        var iterator = Prototype.K, args = $A(arguments);
        if (typeof args.last() == 'function')
            iterator = args.pop();

        var collections = [this].concat(args).map($A);
        return this.map(function(value, index) {
            return iterator(collections.pluck(index));
        });
    },

    size: function() {
        return this.toArray().length;
    },

    inspect: function() {
        return '#<Enumerable:' + this.toArray().inspect() + '>';
    }
}

Object.extend(Enumerable, {
    map: Enumerable.collect,
    find: Enumerable.detect,
    select: Enumerable.findAll,
    member: Enumerable.include,
    entries: Enumerable.toArray
});
var $A = Array.from = function(iterable) {
    if (!iterable) return [];
    if (iterable.toArray) {
        return iterable.toArray();
    } else {
        var results = [];
        for (var i = 0, length = iterable.length; i < length; i++)
            results.push(iterable[i]);
        return results;
    }
}

if (Prototype.Browser.WebKit) {
    $A = Array.from = function(iterable) {
        if (!iterable) return [];
        if (!(typeof iterable == 'function' && iterable == '[object NodeList]') &&
      iterable.toArray) {
            return iterable.toArray();
        } else {
            var results = [];
            for (var i = 0, length = iterable.length; i < length; i++)
                results.push(iterable[i]);
            return results;
        }
    }
}

Object.extend(Array.prototype, Enumerable);

if (!Array.prototype._reverse)
    Array.prototype._reverse = Array.prototype.reverse;

Object.extend(Array.prototype, {
    _each: function(iterator) {
        for (var i = 0, length = this.length; i < length; i++)
            iterator(this[i]);
    },

    clear: function() {
        this.length = 0;
        return this;
    },

    first: function() {
        return this[0];
    },

    last: function() {
        return this[this.length - 1];
    },

    compact: function() {
        return this.select(function(value) {
            return value != null;
        });
    },

    flatten: function() {
        return this.inject([], function(array, value) {
            return array.concat(value && value.constructor == Array ?
        value.flatten() : [value]);
        });
    },

    without: function() {
        var values = $A(arguments);
        return this.select(function(value) {
            return !values.include(value);
        });
    },

    indexOf: function(object) {
        for (var i = 0, length = this.length; i < length; i++)
            if (this[i] == object) return i;
        return -1;
    },

    reverse: function(inline) {
        return (inline !== false ? this : this.toArray())._reverse();
    },

    reduce: function() {
        return this.length > 1 ? this : this[0];
    },

    uniq: function(sorted) {
        return this.inject([], function(array, value, index) {
            if (0 == index || (sorted ? array.last() != value : !array.include(value)))
                array.push(value);
            return array;
        });
    },

    clone: function() {
        return [].concat(this);
    },

    size: function() {
        return this.length;
    },

    inspect: function() {
        return '[' + this.map(Object.inspect).join(', ') + ']';
    },

    toJSON: function() {
        var results = [];
        this.each(function(object) {
            var value = Object.toJSON(object);
            if (value !== undefined) results.push(value);
        });
        return '[' + results.join(', ') + ']';
    }
});

Array.prototype.toArray = Array.prototype.clone;

function $w(string) {
    string = string.strip();
    return string ? string.split(/\s+/) : [];
}

if (Prototype.Browser.Opera) {
    Array.prototype.concat = function() {
        var array = [];
        for (var i = 0, length = this.length; i < length; i++) array.push(this[i]);
        for (var i = 0, length = arguments.length; i < length; i++) {
            if (arguments[i].constructor == Array) {
                for (var j = 0, arrayLength = arguments[i].length; j < arrayLength; j++)
                    array.push(arguments[i][j]);
            } else {
                array.push(arguments[i]);
            }
        }
        return array;
    }
}
var Hash = function(object) {
    if (object instanceof Hash) this.merge(object);
    else Object.extend(this, object || {});
};

Object.extend(Hash, {
    toQueryString: function(obj) {
        var parts = [];
        parts.add = arguments.callee.addPair;

        this.prototype._each.call(obj, function(pair) {
            if (!pair.key) return;
            var value = pair.value;

            if (value && typeof value == 'object') {
                if (value.constructor == Array) value.each(function(value) {
                    parts.add(pair.key, value);
                });
                return;
            }
            parts.add(pair.key, value);
        });

        return parts.join('&');
    },

    toJSON: function(object) {
        var results = [];
        this.prototype._each.call(object, function(pair) {
            var value = Object.toJSON(pair.value);
            if (value !== undefined) results.push(pair.key.toJSON() + ': ' + value);
        });
        return '{' + results.join(', ') + '}';
    }
});

Hash.toQueryString.addPair = function(key, value, prefix) {
    key = encodeURIComponent(key);
    if (value === undefined) this.push(key);
    else this.push(key + '=' + (value == null ? '' : encodeURIComponent(value)));
}

Object.extend(Hash.prototype, Enumerable);
Object.extend(Hash.prototype, {
    _each: function(iterator) {
        for (var key in this) {
            var value = this[key];
            if (value && value == Hash.prototype[key]) continue;

            var pair = [key, value];
            pair.key = key;
            pair.value = value;
            iterator(pair);
        }
    },

    keys: function() {
        return this.pluck('key');
    },

    values: function() {
        return this.pluck('value');
    },

    merge: function(hash) {
        return $H(hash).inject(this, function(mergedHash, pair) {
            mergedHash[pair.key] = pair.value;
            return mergedHash;
        });
    },

    remove: function() {
        var result;
        for (var i = 0, length = arguments.length; i < length; i++) {
            var value = this[arguments[i]];
            if (value !== undefined) {
                if (result === undefined) result = value;
                else {
                    if (result.constructor != Array) result = [result];
                    result.push(value)
                }
            }
            delete this[arguments[i]];
        }
        return result;
    },

    toQueryString: function() {
        return Hash.toQueryString(this);
    },

    inspect: function() {
        return '#<Hash:{' + this.map(function(pair) {
            return pair.map(Object.inspect).join(': ');
        }).join(', ') + '}>';
    },

    toJSON: function() {
        return Hash.toJSON(this);
    }
});

function $H(object) {
    if (object instanceof Hash) return object;
    return new Hash(object);
};

// Safari iterates over shadowed properties
if (function() {
    var i = 0, Test = function(value) { this.key = value };
    Test.prototype.key = 'foo';
    for (var property in new Test('bar')) i++;
    return i > 1;
} ()) Hash.prototype._each = function(iterator) {
    var cache = [];
    for (var key in this) {
        var value = this[key];
        if ((value && value == Hash.prototype[key]) || cache.include(key)) continue;
        cache.push(key);
        var pair = [key, value];
        pair.key = key;
        pair.value = value;
        iterator(pair);
    }
};
ObjectRange = Class.create();
Object.extend(ObjectRange.prototype, Enumerable);
Object.extend(ObjectRange.prototype, {
    initialize: function(start, end, exclusive) {
        this.start = start;
        this.end = end;
        this.exclusive = exclusive;
    },

    _each: function(iterator) {
        var value = this.start;
        while (this.include(value)) {
            iterator(value);
            value = value.succ();
        }
    },

    include: function(value) {
        if (value < this.start)
            return false;
        if (this.exclusive)
            return value < this.end;
        return value <= this.end;
    }
});

var $R = function(start, end, exclusive) {
    return new ObjectRange(start, end, exclusive);
}

var Ajax = {
    getTransport: function() {
        return Try.these(
      function() { return new XMLHttpRequest() },
      function() { return new ActiveXObject('Msxml2.XMLHTTP') },
      function() { return new ActiveXObject('Microsoft.XMLHTTP') }
    ) || false;
    },

    activeRequestCount: 0
}

Ajax.Responders = {
    responders: [],

    _each: function(iterator) {
        this.responders._each(iterator);
    },

    register: function(responder) {
        if (!this.include(responder))
            this.responders.push(responder);
    },

    unregister: function(responder) {
        this.responders = this.responders.without(responder);
    },

    dispatch: function(callback, request, transport, json) {
        this.each(function(responder) {
            if (typeof responder[callback] == 'function') {
                try {
                    responder[callback].apply(responder, [request, transport, json]);
                } catch (e) { }
            }
        });
    }
};

Object.extend(Ajax.Responders, Enumerable);

Ajax.Responders.register({
    onCreate: function() {
        Ajax.activeRequestCount++;
    },
    onComplete: function() {
        Ajax.activeRequestCount--;
    }
});

Ajax.Base = function() { };
Ajax.Base.prototype = {
    setOptions: function(options) {
        this.options = {
            method: 'post',
            asynchronous: true,
            contentType: 'application/x-www-form-urlencoded',
            encoding: 'UTF-8',
            parameters: ''
        }
        Object.extend(this.options, options || {});

        this.options.method = this.options.method.toLowerCase();
        if (typeof this.options.parameters == 'string')
            this.options.parameters = this.options.parameters.toQueryParams();
    }
}

Ajax.Request = Class.create();
Ajax.Request.Events =
  ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];

Ajax.Request.prototype = Object.extend(new Ajax.Base(), {
    _complete: false,

    initialize: function(url, options) {
        this.transport = Ajax.getTransport();
        this.setOptions(options);
        this.request(url);
    },

    request: function(url) {
        this.url = url;
        this.method = this.options.method;
        var params = Object.clone(this.options.parameters);

        if (!['get', 'post'].include(this.method)) {
            // simulate other verbs over post
            params['_method'] = this.method;
            this.method = 'post';
        }

        this.parameters = params;

        if (params = Hash.toQueryString(params)) {
            // when GET, append parameters to URL
            if (this.method == 'get')
                this.url += (this.url.include('?') ? '&' : '?') + params;
            else if (/Konqueror|Safari|KHTML/.test(navigator.userAgent))
                params += '&_=';
        }

        try {
            if (this.options.onCreate) this.options.onCreate(this.transport);
            Ajax.Responders.dispatch('onCreate', this, this.transport);

            this.transport.open(this.method.toUpperCase(), this.url,
        this.options.asynchronous);

            if (this.options.asynchronous)
                setTimeout(function() { this.respondToReadyState(1) } .bind(this), 10);

            this.transport.onreadystatechange = this.onStateChange.bind(this);
            this.setRequestHeaders();

            this.body = this.method == 'post' ? (this.options.postBody || params) : null;
            this.transport.send(this.body);

            /* Force Firefox to handle ready state 4 for synchronous requests */
            if (!this.options.asynchronous && this.transport.overrideMimeType)
                this.onStateChange();

        }
        catch (e) {
            this.dispatchException(e);
        }
    },

    onStateChange: function() {
        var readyState = this.transport.readyState;
        if (readyState > 1 && !((readyState == 4) && this._complete))
            this.respondToReadyState(this.transport.readyState);
    },

    setRequestHeaders: function() {
        var headers = {
            'X-Requested-With': 'XMLHttpRequest',
            'X-Prototype-Version': Prototype.Version,
            'Accept': 'text/javascript, text/html, application/xml, text/xml, */*'
        };

        if (this.method == 'post') {
            headers['Content-type'] = this.options.contentType +
        (this.options.encoding ? '; charset=' + this.options.encoding : '');

            /* Force "Connection: close" for older Mozilla browsers to work
            * around a bug where XMLHttpRequest sends an incorrect
            * Content-length header. See Mozilla Bugzilla #246651.
            */
            if (this.transport.overrideMimeType &&
          (navigator.userAgent.match(/Gecko\/(\d{4})/) || [0, 2005])[1] < 2005)
                headers['Connection'] = 'close';
        }

        // user-defined headers
        if (typeof this.options.requestHeaders == 'object') {
            var extras = this.options.requestHeaders;

            if (typeof extras.push == 'function')
                for (var i = 0, length = extras.length; i < length; i += 2)
                headers[extras[i]] = extras[i + 1];
            else
                $H(extras).each(function(pair) { headers[pair.key] = pair.value });
        }

        for (var name in headers)
            this.transport.setRequestHeader(name, headers[name]);
    },

    success: function() {
        return !this.transport.status
        || (this.transport.status >= 200 && this.transport.status < 300);
    },

    respondToReadyState: function(readyState) {
        var state = Ajax.Request.Events[readyState];
        var transport = this.transport, json = this.evalJSON();

        if (state == 'Complete') {
            try {
                this._complete = true;
                (this.options['on' + this.transport.status]
         || this.options['on' + (this.success() ? 'Success' : 'Failure')]
         || Prototype.emptyFunction)(transport, json);
            } catch (e) {
                this.dispatchException(e);
            }

            var contentType = this.getHeader('Content-type');
            if (contentType && contentType.strip().
        match(/^(text|application)\/(x-)?(java|ecma)script(;.*)?$/i))
                this.evalResponse();
        }

        try {
            (this.options['on' + state] || Prototype.emptyFunction)(transport, json);
            Ajax.Responders.dispatch('on' + state, this, transport, json);
        } catch (e) {
            this.dispatchException(e);
        }

        if (state == 'Complete') {
            // avoid memory leak in MSIE: clean up
            this.transport.onreadystatechange = Prototype.emptyFunction;
        }
    },

    getHeader: function(name) {
        try {
            return this.transport.getResponseHeader(name);
        } catch (e) { return null }
    },

    evalJSON: function() {
        try {
            var json = this.getHeader('X-JSON');
            return json ? json.evalJSON() : null;
        } catch (e) { return null }
    },

    evalResponse: function() {
        try {
            return eval((this.transport.responseText || '').unfilterJSON());
        } catch (e) {
            this.dispatchException(e);
        }
    },

    dispatchException: function(exception) {
        (this.options.onException || Prototype.emptyFunction)(this, exception);
        Ajax.Responders.dispatch('onException', this, exception);
    }
});

Ajax.Updater = Class.create();

Object.extend(Object.extend(Ajax.Updater.prototype, Ajax.Request.prototype), {
    initialize: function(container, url, options) {
        this.container = {
            success: (container.success || container),
            failure: (container.failure || (container.success ? null : container))
        }

        this.transport = Ajax.getTransport();
        this.setOptions(options);

        var onComplete = this.options.onComplete || Prototype.emptyFunction;
        this.options.onComplete = (function(transport, param) {
            this.updateContent();
            onComplete(transport, param);
        }).bind(this);

        this.request(url);
    },

    updateContent: function() {
        var receiver = this.container[this.success() ? 'success' : 'failure'];
        var response = this.transport.responseText;

        if (!this.options.evalScripts) response = response.stripScripts();

        if (receiver = $(receiver)) {
            if (this.options.insertion)
                new this.options.insertion(receiver, response);
            else
                receiver.update(response);
        }

        if (this.success()) {
            if (this.onComplete)
                setTimeout(this.onComplete.bind(this), 10);
        }
    }
});

Ajax.PeriodicalUpdater = Class.create();
Ajax.PeriodicalUpdater.prototype = Object.extend(new Ajax.Base(), {
    initialize: function(container, url, options) {
        this.setOptions(options);
        this.onComplete = this.options.onComplete;

        this.frequency = (this.options.frequency || 2);
        this.decay = (this.options.decay || 1);

        this.updater = {};
        this.container = container;
        this.url = url;

        this.start();
    },

    start: function() {
        this.options.onComplete = this.updateComplete.bind(this);
        this.onTimerEvent();
    },

    stop: function() {
        this.updater.options.onComplete = undefined;
        clearTimeout(this.timer);
        (this.onComplete || Prototype.emptyFunction).apply(this, arguments);
    },

    updateComplete: function(request) {
        if (this.options.decay) {
            this.decay = (request.responseText == this.lastText ?
        this.decay * this.options.decay : 1);

            this.lastText = request.responseText;
        }
        this.timer = setTimeout(this.onTimerEvent.bind(this),
      this.decay * this.frequency * 1000);
    },

    onTimerEvent: function() {
        this.updater = new Ajax.Updater(this.container, this.url, this.options);
    }
});
function $(element) {
    if (arguments.length > 1) {
        for (var i = 0, elements = [], length = arguments.length; i < length; i++)
            elements.push($(arguments[i]));
        return elements;
    }
    if (typeof element == 'string')
        element = document.getElementById(element);
    return Element.extend(element);
}

if (Prototype.BrowserFeatures.XPath) {
    document._getElementsByXPath = function(expression, parentElement) {
        var results = [];
        var query = document.evaluate(expression, $(parentElement) || document,
      null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
        for (var i = 0, length = query.snapshotLength; i < length; i++)
            results.push(query.snapshotItem(i));
        return results;
    };

    document.getElementsByClassName = function(className, parentElement) {
        var q = ".//*[contains(concat(' ', @class, ' '), ' " + className + " ')]";
        return document._getElementsByXPath(q, parentElement);
    }

} else document.getElementsByClassName = function(className, parentElement) {
    var children = ($(parentElement) || document.body).getElementsByTagName('*');
    var elements = [], child;
    for (var i = 0, length = children.length; i < length; i++) {
        child = children[i];
        if (Element.hasClassName(child, className))
            elements.push(Element.extend(child));
    }
    return elements;
};

/*--------------------------------------------------------------------------*/

if (!window.Element) var Element = {};

Element.extend = function(element) {
    var F = Prototype.BrowserFeatures;
    if (!element || !element.tagName || element.nodeType == 3 ||
   element._extended || F.SpecificElementExtensions || element == window)
        return element;

    var methods = {}, tagName = element.tagName, cache = Element.extend.cache,
   T = Element.Methods.ByTag;

    // extend methods for all tags (Safari doesn't need this)
    if (!F.ElementExtensions) {
        Object.extend(methods, Element.Methods),
    Object.extend(methods, Element.Methods.Simulated);
    }

    // extend methods for specific tags
    if (T[tagName]) Object.extend(methods, T[tagName]);

    for (var property in methods) {
        var value = methods[property];
        if (typeof value == 'function' && !(property in element))
            element[property] = cache.findOrStore(value);
    }

    element._extended = Prototype.emptyFunction;
    return element;
};

Element.extend.cache = {
    findOrStore: function(value) {
        return this[value] = this[value] || function() {
            return value.apply(null, [this].concat($A(arguments)));
        }
    }
};

Element.Methods = {
    visible: function(element) {
        return $(element).style.display != 'none';
    },

    toggle: function(element) {
        element = $(element);
        Element[Element.visible(element) ? 'hide' : 'show'](element);
        return element;
    },

    hide: function(element) {
        $(element).style.display = 'none';
        return element;
    },

    show: function(element) {
        $(element).style.display = '';
        return element;
    },

    remove: function(element) {
        element = $(element);
        element.parentNode.removeChild(element);
        return element;
    },

    update: function(element, html) {
        html = typeof html == 'undefined' ? '' : html.toString();
        $(element).innerHTML = html.stripScripts();
        setTimeout(function() { html.evalScripts() }, 10);
        return element;
    },

    replace: function(element, html) {
        element = $(element);
        html = typeof html == 'undefined' ? '' : html.toString();
        if (element.outerHTML) {
            element.outerHTML = html.stripScripts();
        } else {
            var range = element.ownerDocument.createRange();
            range.selectNodeContents(element);
            element.parentNode.replaceChild(
        range.createContextualFragment(html.stripScripts()), element);
        }
        setTimeout(function() { html.evalScripts() }, 10);
        return element;
    },

    inspect: function(element) {
        element = $(element);
        var result = '<' + element.tagName.toLowerCase();
        $H({ 'id': 'id', 'className': 'class' }).each(function(pair) {
            var property = pair.first(), attribute = pair.last();
            var value = (element[property] || '').toString();
            if (value) result += ' ' + attribute + '=' + value.inspect(true);
        });
        return result + '>';
    },

    recursivelyCollect: function(element, property) {
        element = $(element);
        var elements = [];
        while (element = element[property])
            if (element.nodeType == 1)
            elements.push(Element.extend(element));
        return elements;
    },

    ancestors: function(element) {
        return $(element).recursivelyCollect('parentNode');
    },

    descendants: function(element) {
        return $A($(element).getElementsByTagName('*')).each(Element.extend);
    },

    firstDescendant: function(element) {
        element = $(element).firstChild;
        while (element && element.nodeType != 1) element = element.nextSibling;
        return $(element);
    },

    immediateDescendants: function(element) {
        if (!(element = $(element).firstChild)) return [];
        while (element && element.nodeType != 1) element = element.nextSibling;
        if (element) return [element].concat($(element).nextSiblings());
        return [];
    },

    previousSiblings: function(element) {
        return $(element).recursivelyCollect('previousSibling');
    },

    nextSiblings: function(element) {
        return $(element).recursivelyCollect('nextSibling');
    },

    siblings: function(element) {
        element = $(element);
        return element.previousSiblings().reverse().concat(element.nextSiblings());
    },

    match: function(element, selector) {
        if (typeof selector == 'string')
            selector = new Selector(selector);
        return selector.match($(element));
    },

    up: function(element, expression, index) {
        element = $(element);
        if (arguments.length == 1) return $(element.parentNode);
        var ancestors = element.ancestors();
        return expression ? Selector.findElement(ancestors, expression, index) :
      ancestors[index || 0];
    },

    down: function(element, expression, index) {
        element = $(element);
        if (arguments.length == 1) return element.firstDescendant();
        var descendants = element.descendants();
        return expression ? Selector.findElement(descendants, expression, index) :
      descendants[index || 0];
    },

    previous: function(element, expression, index) {
        element = $(element);
        if (arguments.length == 1) return $(Selector.handlers.previousElementSibling(element));
        var previousSiblings = element.previousSiblings();
        return expression ? Selector.findElement(previousSiblings, expression, index) :
      previousSiblings[index || 0];
    },

    next: function(element, expression, index) {
        element = $(element);
        if (arguments.length == 1) return $(Selector.handlers.nextElementSibling(element));
        var nextSiblings = element.nextSiblings();
        return expression ? Selector.findElement(nextSiblings, expression, index) :
      nextSiblings[index || 0];
    },

    getElementsBySelector: function() {
        var args = $A(arguments), element = $(args.shift());
        return Selector.findChildElements(element, args);
    },

    getElementsByClassName: function(element, className) {
        return document.getElementsByClassName(className, element);
    },

    readAttribute: function(element, name) {
        element = $(element);
        if (Prototype.Browser.IE) {
            if (!element.attributes) return null;
            var t = Element._attributeTranslations;
            if (t.values[name]) return t.values[name](element, name);
            if (t.names[name]) name = t.names[name];
            var attribute = element.attributes[name];
            return attribute ? attribute.nodeValue : null;
        }
        return element.getAttribute(name);
    },

    getHeight: function(element) {
        return $(element).getDimensions().height;
    },

    getWidth: function(element) {
        return $(element).getDimensions().width;
    },

    classNames: function(element) {
        return new Element.ClassNames(element);
    },

    hasClassName: function(element, className) {
        if (!(element = $(element))) return;
        var elementClassName = element.className;
        if (elementClassName.length == 0) return false;
        if (elementClassName == className ||
        elementClassName.match(new RegExp("(^|\\s)" + className + "(\\s|$)")))
            return true;
        return false;
    },

    addClassName: function(element, className) {
        if (!(element = $(element))) return;
        Element.classNames(element).add(className);
        return element;
    },

    removeClassName: function(element, className) {
        if (!(element = $(element))) return;
        Element.classNames(element).remove(className);
        return element;
    },

    toggleClassName: function(element, className) {
        if (!(element = $(element))) return;
        Element.classNames(element)[element.hasClassName(className) ? 'remove' : 'add'](className);
        return element;
    },

    observe: function() {
        Event.observe.apply(Event, arguments);
        return $A(arguments).first();
    },

    stopObserving: function() {
        Event.stopObserving.apply(Event, arguments);
        return $A(arguments).first();
    },

    // removes whitespace-only text node children
    cleanWhitespace: function(element) {
        element = $(element);
        var node = element.firstChild;
        while (node) {
            var nextNode = node.nextSibling;
            if (node.nodeType == 3 && !/\S/.test(node.nodeValue))
                element.removeChild(node);
            node = nextNode;
        }
        return element;
    },

    empty: function(element) {
        return $(element).innerHTML.blank();
    },

    descendantOf: function(element, ancestor) {
        element = $(element), ancestor = $(ancestor);
        while (element = element.parentNode)
            if (element == ancestor) return true;
        return false;
    },

    scrollTo: function(element) {
        element = $(element);
        var pos = Position.cumulativeOffset(element);
        window.scrollTo(pos[0], pos[1]);
        return element;
    },

    getStyle: function(element, style) {
        element = $(element);
        style = style == 'float' ? 'cssFloat' : style.camelize();
        var value = element.style[style];
        if (!value) {
            var css = document.defaultView.getComputedStyle(element, null);
            value = css ? css[style] : null;
        }
        if (style == 'opacity') return value ? parseFloat(value) : 1.0;
        return value == 'auto' ? null : value;
    },

    getOpacity: function(element) {
        return $(element).getStyle('opacity');
    },

    setStyle: function(element, styles, camelized) {
        element = $(element);
        var elementStyle = element.style;

        for (var property in styles)
            if (property == 'opacity') element.setOpacity(styles[property])
        else
            elementStyle[(property == 'float' || property == 'cssFloat') ?
          (elementStyle.styleFloat === undefined ? 'cssFloat' : 'styleFloat') :
          (camelized ? property : property.camelize())] = styles[property];

        return element;
    },

    setOpacity: function(element, value) {
        element = $(element);
        element.style.opacity = (value == 1 || value === '') ? '' :
      (value < 0.00001) ? 0 : value;
        return element;
    },

    getDimensions: function(element) {
        element = $(element);
        var display = $(element).getStyle('display');
        if (display != 'none' && display != null) // Safari bug
            return { width: element.offsetWidth, height: element.offsetHeight };

        // All *Width and *Height properties give 0 on elements with display none,
        // so enable the element temporarily
        var els = element.style;
        var originalVisibility = els.visibility;
        var originalPosition = els.position;
        var originalDisplay = els.display;
        els.visibility = 'hidden';
        els.position = 'absolute';
        els.display = 'block';
        var originalWidth = element.clientWidth;
        var originalHeight = element.clientHeight;
        els.display = originalDisplay;
        els.position = originalPosition;
        els.visibility = originalVisibility;
        return { width: originalWidth, height: originalHeight };
    },

    makePositioned: function(element) {
        element = $(element);
        var pos = Element.getStyle(element, 'position');
        if (pos == 'static' || !pos) {
            element._madePositioned = true;
            element.style.position = 'relative';
            // Opera returns the offset relative to the positioning context, when an
            // element is position relative but top and left have not been defined
            if (window.opera) {
                element.style.top = 0;
                element.style.left = 0;
            }
        }
        return element;
    },

    undoPositioned: function(element) {
        element = $(element);
        if (element._madePositioned) {
            element._madePositioned = undefined;
            element.style.position =
        element.style.top =
        element.style.left =
        element.style.bottom =
        element.style.right = '';
        }
        return element;
    },

    makeClipping: function(element) {
        element = $(element);
        if (element._overflow) return element;
        element._overflow = element.style.overflow || 'auto';
        if ((Element.getStyle(element, 'overflow') || 'visible') != 'hidden')
            element.style.overflow = 'hidden';
        return element;
    },

    undoClipping: function(element) {
        element = $(element);
        if (!element._overflow) return element;
        element.style.overflow = element._overflow == 'auto' ? '' : element._overflow;
        element._overflow = null;
        return element;
    }
};

Object.extend(Element.Methods, {
    childOf: Element.Methods.descendantOf,
    childElements: Element.Methods.immediateDescendants
});

if (Prototype.Browser.Opera) {
    Element.Methods._getStyle = Element.Methods.getStyle;
    Element.Methods.getStyle = function(element, style) {
        switch (style) {
            case 'left':
            case 'top':
            case 'right':
            case 'bottom':
                if (Element._getStyle(element, 'position') == 'static') return null;
            default: return Element._getStyle(element, style);
        }
    };
}
else if (Prototype.Browser.IE) {
    Element.Methods.getStyle = function(element, style) {
        element = $(element);
        style = (style == 'float' || style == 'cssFloat') ? 'styleFloat' : style.camelize();
        var value = element.style[style];
        if (!value && element.currentStyle) value = element.currentStyle[style];

        if (style == 'opacity') {
            if (value = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/))
                if (value[1]) return parseFloat(value[1]) / 100;
            return 1.0;
        }

        if (value == 'auto') {
            if ((style == 'width' || style == 'height') && (element.getStyle('display') != 'none'))
                return element['offset' + style.capitalize()] + 'px';
            return null;
        }
        return value;
    };

    Element.Methods.setOpacity = function(element, value) {
        element = $(element);
        var filter = element.getStyle('filter'), style = element.style;
        if (value == 1 || value === '') {
            style.filter = filter.replace(/alpha\([^\)]*\)/gi, '');
            return element;
        } else if (value < 0.00001) value = 0;
        style.filter = filter.replace(/alpha\([^\)]*\)/gi, '') +
      'alpha(opacity=' + (value * 100) + ')';
        return element;
    };

    // IE is missing .innerHTML support for TABLE-related elements
    Element.Methods.update = function(element, html) {
        element = $(element);
        html = typeof html == 'undefined' ? '' : html.toString();
        var tagName = element.tagName.toUpperCase();
        if (['THEAD', 'TBODY', 'TR', 'TD'].include(tagName)) {
            var div = document.createElement('div');
            switch (tagName) {
                case 'THEAD':
                case 'TBODY':
                    div.innerHTML = '<table><tbody>' + html.stripScripts() + '</tbody></table>';
                    depth = 2;
                    break;
                case 'TR':
                    div.innerHTML = '<table><tbody><tr>' + html.stripScripts() + '</tr></tbody></table>';
                    depth = 3;
                    break;
                case 'TD':
                    div.innerHTML = '<table><tbody><tr><td>' + html.stripScripts() + '</td></tr></tbody></table>';
                    depth = 4;
            }
            $A(element.childNodes).each(function(node) { element.removeChild(node) });
            depth.times(function() { div = div.firstChild });
            $A(div.childNodes).each(function(node) { element.appendChild(node) });
        } else {
            element.innerHTML = html.stripScripts();
        }
        setTimeout(function() { html.evalScripts() }, 10);
        return element;
    }
}
else if (Prototype.Browser.Gecko) {
    Element.Methods.setOpacity = function(element, value) {
        element = $(element);
        element.style.opacity = (value == 1) ? 0.999999 :
      (value === '') ? '' : (value < 0.00001) ? 0 : value;
        return element;
    };
}

Element._attributeTranslations = {
    names: {
        colspan: "colSpan",
        rowspan: "rowSpan",
        valign: "vAlign",
        datetime: "dateTime",
        accesskey: "accessKey",
        tabindex: "tabIndex",
        enctype: "encType",
        maxlength: "maxLength",
        readonly: "readOnly",
        longdesc: "longDesc"
    },
    values: {
        _getAttr: function(element, attribute) {
            return element.getAttribute(attribute, 2);
        },
        _flag: function(element, attribute) {
            return $(element).hasAttribute(attribute) ? attribute : null;
        },
        style: function(element) {
            return element.style.cssText.toLowerCase();
        },
        title: function(element) {
            var node = element.getAttributeNode('title');
            return node.specified ? node.nodeValue : null;
        }
    }
};

(function() {
    Object.extend(this, {
        href: this._getAttr,
        src: this._getAttr,
        type: this._getAttr,
        disabled: this._flag,
        checked: this._flag,
        readonly: this._flag,
        multiple: this._flag
    });
}).call(Element._attributeTranslations.values);

Element.Methods.Simulated = {
    hasAttribute: function(element, attribute) {
        var t = Element._attributeTranslations, node;
        attribute = t.names[attribute] || attribute;
        node = $(element).getAttributeNode(attribute);
        return node && node.specified;
    }
};

Element.Methods.ByTag = {};

Object.extend(Element, Element.Methods);

if (!Prototype.BrowserFeatures.ElementExtensions &&
 document.createElement('div').__proto__) {
    window.HTMLElement = {};
    window.HTMLElement.prototype = document.createElement('div').__proto__;
    Prototype.BrowserFeatures.ElementExtensions = true;
}

Element.hasAttribute = function(element, attribute) {
    if (element.hasAttribute) return element.hasAttribute(attribute);
    return Element.Methods.Simulated.hasAttribute(element, attribute);
};

Element.addMethods = function(methods) {
    var F = Prototype.BrowserFeatures, T = Element.Methods.ByTag;

    if (!methods) {
        Object.extend(Form, Form.Methods);
        Object.extend(Form.Element, Form.Element.Methods);
        Object.extend(Element.Methods.ByTag, {
            "FORM": Object.clone(Form.Methods),
            "INPUT": Object.clone(Form.Element.Methods),
            "SELECT": Object.clone(Form.Element.Methods),
            "TEXTAREA": Object.clone(Form.Element.Methods)
        });
    }

    if (arguments.length == 2) {
        var tagName = methods;
        methods = arguments[1];
    }

    if (!tagName) Object.extend(Element.Methods, methods || {});
    else {
        if (tagName.constructor == Array) tagName.each(extend);
        else extend(tagName);
    }

    function extend(tagName) {
        tagName = tagName.toUpperCase();
        if (!Element.Methods.ByTag[tagName])
            Element.Methods.ByTag[tagName] = {};
        Object.extend(Element.Methods.ByTag[tagName], methods);
    }

    function copy(methods, destination, onlyIfAbsent) {
        onlyIfAbsent = onlyIfAbsent || false;
        var cache = Element.extend.cache;
        for (var property in methods) {
            var value = methods[property];
            if (!onlyIfAbsent || !(property in destination))
                destination[property] = cache.findOrStore(value);
        }
    }

    function findDOMClass(tagName) {
        var klass;
        var trans = {
            "OPTGROUP": "OptGroup", "TEXTAREA": "TextArea", "P": "Paragraph",
            "FIELDSET": "FieldSet", "UL": "UList", "OL": "OList", "DL": "DList",
            "DIR": "Directory", "H1": "Heading", "H2": "Heading", "H3": "Heading",
            "H4": "Heading", "H5": "Heading", "H6": "Heading", "Q": "Quote",
            "INS": "Mod", "DEL": "Mod", "A": "Anchor", "IMG": "Image", "CAPTION":
      "TableCaption", "COL": "TableCol", "COLGROUP": "TableCol", "THEAD":
      "TableSection", "TFOOT": "TableSection", "TBODY": "TableSection", "TR":
      "TableRow", "TH": "TableCell", "TD": "TableCell", "FRAMESET":
      "FrameSet", "IFRAME": "IFrame"
        };
        if (trans[tagName]) klass = 'HTML' + trans[tagName] + 'Element';
        if (window[klass]) return window[klass];
        klass = 'HTML' + tagName + 'Element';
        if (window[klass]) return window[klass];
        klass = 'HTML' + tagName.capitalize() + 'Element';
        if (window[klass]) return window[klass];

        window[klass] = {};
        window[klass].prototype = document.createElement(tagName).__proto__;
        return window[klass];
    }

    if (F.ElementExtensions) {
        copy(Element.Methods, HTMLElement.prototype);
        copy(Element.Methods.Simulated, HTMLElement.prototype, true);
    }

    if (F.SpecificElementExtensions) {
        for (var tag in Element.Methods.ByTag) {
            var klass = findDOMClass(tag);
            if (typeof klass == "undefined") continue;
            copy(T[tag], klass.prototype);
        }
    }

    Object.extend(Element, Element.Methods);
    delete Element.ByTag;
};

var Toggle = { display: Element.toggle };

/*--------------------------------------------------------------------------*/

Abstract.Insertion = function(adjacency) {
    this.adjacency = adjacency;
}

Abstract.Insertion.prototype = {
    initialize: function(element, content) {
        this.element = $(element);
        this.content = content.stripScripts();

        if (this.adjacency && this.element.insertAdjacentHTML) {
            try {
                this.element.insertAdjacentHTML(this.adjacency, this.content);
            } catch (e) {
                var tagName = this.element.tagName.toUpperCase();
                if (['TBODY', 'TR'].include(tagName)) {
                    this.insertContent(this.contentFromAnonymousTable());
                } else {
                    throw e;
                }
            }
        } else {
            this.range = this.element.ownerDocument.createRange();
            if (this.initializeRange) this.initializeRange();
            this.insertContent([this.range.createContextualFragment(this.content)]);
        }

        setTimeout(function() { content.evalScripts() }, 10);
    },

    contentFromAnonymousTable: function() {
        var div = document.createElement('div');
        div.innerHTML = '<table><tbody>' + this.content + '</tbody></table>';
        return $A(div.childNodes[0].childNodes[0].childNodes);
    }
}

var Insertion = new Object();

Insertion.Before = Class.create();
Insertion.Before.prototype = Object.extend(new Abstract.Insertion('beforeBegin'), {
    initializeRange: function() {
        this.range.setStartBefore(this.element);
    },

    insertContent: function(fragments) {
        fragments.each((function(fragment) {
            this.element.parentNode.insertBefore(fragment, this.element);
        }).bind(this));
    }
});

Insertion.Top = Class.create();
Insertion.Top.prototype = Object.extend(new Abstract.Insertion('afterBegin'), {
    initializeRange: function() {
        this.range.selectNodeContents(this.element);
        this.range.collapse(true);
    },

    insertContent: function(fragments) {
        fragments.reverse(false).each((function(fragment) {
            this.element.insertBefore(fragment, this.element.firstChild);
        }).bind(this));
    }
});

Insertion.Bottom = Class.create();
Insertion.Bottom.prototype = Object.extend(new Abstract.Insertion('beforeEnd'), {
    initializeRange: function() {
        this.range.selectNodeContents(this.element);
        this.range.collapse(this.element);
    },

    insertContent: function(fragments) {
        fragments.each((function(fragment) {
            this.element.appendChild(fragment);
        }).bind(this));
    }
});

Insertion.After = Class.create();
Insertion.After.prototype = Object.extend(new Abstract.Insertion('afterEnd'), {
    initializeRange: function() {
        this.range.setStartAfter(this.element);
    },

    insertContent: function(fragments) {
        fragments.each((function(fragment) {
            this.element.parentNode.insertBefore(fragment,
        this.element.nextSibling);
        }).bind(this));
    }
});

/*--------------------------------------------------------------------------*/

Element.ClassNames = Class.create();
Element.ClassNames.prototype = {
    initialize: function(element) {
        this.element = $(element);
    },

    _each: function(iterator) {
        this.element.className.split(/\s+/).select(function(name) {
            return name.length > 0;
        })._each(iterator);
    },

    set: function(className) {
        this.element.className = className;
    },

    add: function(classNameToAdd) {
        if (this.include(classNameToAdd)) return;
        this.set($A(this).concat(classNameToAdd).join(' '));
    },

    remove: function(classNameToRemove) {
        if (!this.include(classNameToRemove)) return;
        this.set($A(this).without(classNameToRemove).join(' '));
    },

    toString: function() {
        return $A(this).join(' ');
    }
};

Object.extend(Element.ClassNames.prototype, Enumerable);
/* Portions of the Selector class are derived from Jack Slocum’s DomQuery,
* part of YUI-Ext version 0.40, distributed under the terms of an MIT-style
* license.  Please see http://www.yui-ext.com/ for more information. */

var Selector = Class.create();

Selector.prototype = {
    initialize: function(expression) {
        this.expression = expression.strip();
        this.compileMatcher();
    },

    compileMatcher: function() {
        // Selectors with namespaced attributes can't use the XPath version
        if (Prototype.BrowserFeatures.XPath && !(/\[[\w-]*?:/).test(this.expression))
            return this.compileXPathMatcher();

        var e = this.expression, ps = Selector.patterns, h = Selector.handlers,
        c = Selector.criteria, le, p, m;

        if (Selector._cache[e]) {
            this.matcher = Selector._cache[e]; return;
        }
        this.matcher = ["this.matcher = function(root) {",
                    "var r = root, h = Selector.handlers, c = false, n;"];

        while (e && le != e && (/\S/).test(e)) {
            le = e;
            for (var i in ps) {
                p = ps[i];
                if (m = e.match(p)) {
                    this.matcher.push(typeof c[i] == 'function' ? c[i](m) :
    	      new Template(c[i]).evaluate(m));
                    e = e.replace(m[0], '');
                    break;
                }
            }
        }

        this.matcher.push("return h.unique(n);\n}");
        eval(this.matcher.join('\n'));
        Selector._cache[this.expression] = this.matcher;
    },

    compileXPathMatcher: function() {
        var e = this.expression, ps = Selector.patterns,
        x = Selector.xpath, le, m;

        if (Selector._cache[e]) {
            this.xpath = Selector._cache[e]; return;
        }

        this.matcher = ['.//*'];
        while (e && le != e && (/\S/).test(e)) {
            le = e;
            for (var i in ps) {
                if (m = e.match(ps[i])) {
                    this.matcher.push(typeof x[i] == 'function' ? x[i](m) :
            new Template(x[i]).evaluate(m));
                    e = e.replace(m[0], '');
                    break;
                }
            }
        }

        this.xpath = this.matcher.join('');
        Selector._cache[this.expression] = this.xpath;
    },

    findElements: function(root) {
        root = root || document;
        if (this.xpath) return document._getElementsByXPath(this.xpath, root);
        return this.matcher(root);
    },

    match: function(element) {
        return this.findElements(document).include(element);
    },

    toString: function() {
        return this.expression;
    },

    inspect: function() {
        return "#<Selector:" + this.expression.inspect() + ">";
    }
};

Object.extend(Selector, {
    _cache: {},

    xpath: {
        descendant: "//*",
        child: "/*",
        adjacent: "/following-sibling::*[1]",
        laterSibling: '/following-sibling::*',
        tagName: function(m) {
            if (m[1] == '*') return '';
            return "[local-name()='" + m[1].toLowerCase() +
             "' or local-name()='" + m[1].toUpperCase() + "']";
        },
        className: "[contains(concat(' ', @class, ' '), ' #{1} ')]",
        id: "[@id='#{1}']",
        attrPresence: "[@#{1}]",
        attr: function(m) {
            m[3] = m[5] || m[6];
            return new Template(Selector.xpath.operators[m[2]]).evaluate(m);
        },
        pseudo: function(m) {
            var h = Selector.xpath.pseudos[m[1]];
            if (!h) return '';
            if (typeof h === 'function') return h(m);
            return new Template(Selector.xpath.pseudos[m[1]]).evaluate(m);
        },
        operators: {
            '=': "[@#{1}='#{3}']",
            '!=': "[@#{1}!='#{3}']",
            '^=': "[starts-with(@#{1}, '#{3}')]",
            '$=': "[substring(@#{1}, (string-length(@#{1}) - string-length('#{3}') + 1))='#{3}']",
            '*=': "[contains(@#{1}, '#{3}')]",
            '~=': "[contains(concat(' ', @#{1}, ' '), ' #{3} ')]",
            '|=': "[contains(concat('-', @#{1}, '-'), '-#{3}-')]"
        },
        pseudos: {
            'first-child': '[not(preceding-sibling::*)]',
            'last-child': '[not(following-sibling::*)]',
            'only-child': '[not(preceding-sibling::* or following-sibling::*)]',
            'empty': "[count(*) = 0 and (count(text()) = 0 or translate(text(), ' \t\r\n', '') = '')]",
            'checked': "[@checked]",
            'disabled': "[@disabled]",
            'enabled': "[not(@disabled)]",
            'not': function(m) {
                var e = m[6], p = Selector.patterns,
            x = Selector.xpath, le, m, v;

                var exclusion = [];
                while (e && le != e && (/\S/).test(e)) {
                    le = e;
                    for (var i in p) {
                        if (m = e.match(p[i])) {
                            v = typeof x[i] == 'function' ? x[i](m) : new Template(x[i]).evaluate(m);
                            exclusion.push("(" + v.substring(1, v.length - 1) + ")");
                            e = e.replace(m[0], '');
                            break;
                        }
                    }
                }
                return "[not(" + exclusion.join(" and ") + ")]";
            },
            'nth-child': function(m) {
                return Selector.xpath.pseudos.nth("(count(./preceding-sibling::*) + 1) ", m);
            },
            'nth-last-child': function(m) {
                return Selector.xpath.pseudos.nth("(count(./following-sibling::*) + 1) ", m);
            },
            'nth-of-type': function(m) {
                return Selector.xpath.pseudos.nth("position() ", m);
            },
            'nth-last-of-type': function(m) {
                return Selector.xpath.pseudos.nth("(last() + 1 - position()) ", m);
            },
            'first-of-type': function(m) {
                m[6] = "1"; return Selector.xpath.pseudos['nth-of-type'](m);
            },
            'last-of-type': function(m) {
                m[6] = "1"; return Selector.xpath.pseudos['nth-last-of-type'](m);
            },
            'only-of-type': function(m) {
                var p = Selector.xpath.pseudos; return p['first-of-type'](m) + p['last-of-type'](m);
            },
            nth: function(fragment, m) {
                var mm, formula = m[6], predicate;
                if (formula == 'even') formula = '2n+0';
                if (formula == 'odd') formula = '2n+1';
                if (mm = formula.match(/^(\d+)$/)) // digit only
                    return '[' + fragment + "= " + mm[1] + ']';
                if (mm = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b
                    if (mm[1] == "-") mm[1] = -1;
                    var a = mm[1] ? Number(mm[1]) : 1;
                    var b = mm[2] ? Number(mm[2]) : 0;
                    predicate = "[((#{fragment} - #{b}) mod #{a} = 0) and " +
          "((#{fragment} - #{b}) div #{a} >= 0)]";
                    return new Template(predicate).evaluate({
                        fragment: fragment, a: a, b: b
                    });
                }
            }
        }
    },

    criteria: {
        tagName: 'n = h.tagName(n, r, "#{1}", c);   c = false;',
        className: 'n = h.className(n, r, "#{1}", c); c = false;',
        id: 'n = h.id(n, r, "#{1}", c);        c = false;',
        attrPresence: 'n = h.attrPresence(n, r, "#{1}"); c = false;',
        attr: function(m) {
            m[3] = (m[5] || m[6]);
            return new Template('n = h.attr(n, r, "#{1}", "#{3}", "#{2}"); c = false;').evaluate(m);
        },
        pseudo: function(m) {
            if (m[6]) m[6] = m[6].replace(/"/g, '\\"');
            return new Template('n = h.pseudo(n, "#{1}", "#{6}", r, c); c = false;').evaluate(m);
        },
        descendant: 'c = "descendant";',
        child: 'c = "child";',
        adjacent: 'c = "adjacent";',
        laterSibling: 'c = "laterSibling";'
    },

    patterns: {
        // combinators must be listed first
        // (and descendant needs to be last combinator)
        laterSibling: /^\s*~\s*/,
        child: /^\s*>\s*/,
        adjacent: /^\s*\+\s*/,
        descendant: /^\s/,

        // selectors follow
        tagName: /^\s*(\*|[\w\-]+)(\b|$)?/,
        id: /^#([\w\-\*]+)(\b|$)/,
        className: /^\.([\w\-\*]+)(\b|$)/,
        pseudo: /^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|\s|(?=:))/,
        attrPresence: /^\[([\w]+)\]/,
        attr: /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\]]*?)\4|([^'"][^\]]*?)))?\]/
    },

    handlers: {
        // UTILITY FUNCTIONS
        // joins two collections
        concat: function(a, b) {
            for (var i = 0, node; node = b[i]; i++)
                a.push(node);
            return a;
        },

        // marks an array of nodes for counting
        mark: function(nodes) {
            for (var i = 0, node; node = nodes[i]; i++)
                node._counted = true;
            return nodes;
        },

        unmark: function(nodes) {
            for (var i = 0, node; node = nodes[i]; i++)
                node._counted = undefined;
            return nodes;
        },

        // mark each child node with its position (for nth calls)
        // "ofType" flag indicates whether we're indexing for nth-of-type
        // rather than nth-child
        index: function(parentNode, reverse, ofType) {
            parentNode._counted = true;
            if (reverse) {
                for (var nodes = parentNode.childNodes, i = nodes.length - 1, j = 1; i >= 0; i--) {
                    node = nodes[i];
                    if (node.nodeType == 1 && (!ofType || node._counted)) node.nodeIndex = j++;
                }
            } else {
                for (var i = 0, j = 1, nodes = parentNode.childNodes; node = nodes[i]; i++)
                    if (node.nodeType == 1 && (!ofType || node._counted)) node.nodeIndex = j++;
            }
        },

        // filters out duplicates and extends all nodes
        unique: function(nodes) {
            if (nodes.length == 0) return nodes;
            var results = [], n;
            for (var i = 0, l = nodes.length; i < l; i++)
                if (!(n = nodes[i])._counted) {
                n._counted = true;
                results.push(Element.extend(n));
            }
            return Selector.handlers.unmark(results);
        },

        // COMBINATOR FUNCTIONS
        descendant: function(nodes) {
            var h = Selector.handlers;
            for (var i = 0, results = [], node; node = nodes[i]; i++)
                h.concat(results, node.getElementsByTagName('*'));
            return results;
        },

        child: function(nodes) {
            var h = Selector.handlers;
            for (var i = 0, results = [], node; node = nodes[i]; i++) {
                for (var j = 0, children = [], child; child = node.childNodes[j]; j++)
                    if (child.nodeType == 1 && child.tagName != '!') results.push(child);
            }
            return results;
        },

        adjacent: function(nodes) {
            for (var i = 0, results = [], node; node = nodes[i]; i++) {
                var next = this.nextElementSibling(node);
                if (next) results.push(next);
            }
            return results;
        },

        laterSibling: function(nodes) {
            var h = Selector.handlers;
            for (var i = 0, results = [], node; node = nodes[i]; i++)
                h.concat(results, Element.nextSiblings(node));
            return results;
        },

        nextElementSibling: function(node) {
            while (node = node.nextSibling)
                if (node.nodeType == 1) return node;
            return null;
        },

        previousElementSibling: function(node) {
            while (node = node.previousSibling)
                if (node.nodeType == 1) return node;
            return null;
        },

        // TOKEN FUNCTIONS
        tagName: function(nodes, root, tagName, combinator) {
            tagName = tagName.toUpperCase();
            var results = [], h = Selector.handlers;
            if (nodes) {
                if (combinator) {
                    // fastlane for ordinary descendant combinators
                    if (combinator == "descendant") {
                        for (var i = 0, node; node = nodes[i]; i++)
                            h.concat(results, node.getElementsByTagName(tagName));
                        return results;
                    } else nodes = this[combinator](nodes);
                    if (tagName == "*") return nodes;
                }
                for (var i = 0, node; node = nodes[i]; i++)
                    if (node.tagName.toUpperCase() == tagName) results.push(node);
                return results;
            } else return root.getElementsByTagName(tagName);
        },

        id: function(nodes, root, id, combinator) {
            var targetNode = $(id), h = Selector.handlers;
            if (!nodes && root == document) return targetNode ? [targetNode] : [];
            if (nodes) {
                if (combinator) {
                    if (combinator == 'child') {
                        for (var i = 0, node; node = nodes[i]; i++)
                            if (targetNode.parentNode == node) return [targetNode];
                    } else if (combinator == 'descendant') {
                        for (var i = 0, node; node = nodes[i]; i++)
                            if (Element.descendantOf(targetNode, node)) return [targetNode];
                    } else if (combinator == 'adjacent') {
                        for (var i = 0, node; node = nodes[i]; i++)
                            if (Selector.handlers.previousElementSibling(targetNode) == node)
                            return [targetNode];
                    } else nodes = h[combinator](nodes);
                }
                for (var i = 0, node; node = nodes[i]; i++)
                    if (node == targetNode) return [targetNode];
                return [];
            }
            return (targetNode && Element.descendantOf(targetNode, root)) ? [targetNode] : [];
        },

        className: function(nodes, root, className, combinator) {
            if (nodes && combinator) nodes = this[combinator](nodes);
            return Selector.handlers.byClassName(nodes, root, className);
        },

        byClassName: function(nodes, root, className) {
            if (!nodes) nodes = Selector.handlers.descendant([root]);
            var needle = ' ' + className + ' ';
            for (var i = 0, results = [], node, nodeClassName; node = nodes[i]; i++) {
                nodeClassName = node.className;
                if (nodeClassName.length == 0) continue;
                if (nodeClassName == className || (' ' + nodeClassName + ' ').include(needle))
                    results.push(node);
            }
            return results;
        },

        attrPresence: function(nodes, root, attr) {
            var results = [];
            for (var i = 0, node; node = nodes[i]; i++)
                if (Element.hasAttribute(node, attr)) results.push(node);
            return results;
        },

        attr: function(nodes, root, attr, value, operator) {
            if (!nodes) nodes = root.getElementsByTagName("*");
            var handler = Selector.operators[operator], results = [];
            for (var i = 0, node; node = nodes[i]; i++) {
                var nodeValue = Element.readAttribute(node, attr);
                if (nodeValue === null) continue;
                if (handler(nodeValue, value)) results.push(node);
            }
            return results;
        },

        pseudo: function(nodes, name, value, root, combinator) {
            if (nodes && combinator) nodes = this[combinator](nodes);
            if (!nodes) nodes = root.getElementsByTagName("*");
            return Selector.pseudos[name](nodes, value, root);
        }
    },

    pseudos: {
        'first-child': function(nodes, value, root) {
            for (var i = 0, results = [], node; node = nodes[i]; i++) {
                if (Selector.handlers.previousElementSibling(node)) continue;
                results.push(node);
            }
            return results;
        },
        'last-child': function(nodes, value, root) {
            for (var i = 0, results = [], node; node = nodes[i]; i++) {
                if (Selector.handlers.nextElementSibling(node)) continue;
                results.push(node);
            }
            return results;
        },
        'only-child': function(nodes, value, root) {
            var h = Selector.handlers;
            for (var i = 0, results = [], node; node = nodes[i]; i++)
                if (!h.previousElementSibling(node) && !h.nextElementSibling(node))
                results.push(node);
            return results;
        },
        'nth-child': function(nodes, formula, root) {
            return Selector.pseudos.nth(nodes, formula, root);
        },
        'nth-last-child': function(nodes, formula, root) {
            return Selector.pseudos.nth(nodes, formula, root, true);
        },
        'nth-of-type': function(nodes, formula, root) {
            return Selector.pseudos.nth(nodes, formula, root, false, true);
        },
        'nth-last-of-type': function(nodes, formula, root) {
            return Selector.pseudos.nth(nodes, formula, root, true, true);
        },
        'first-of-type': function(nodes, formula, root) {
            return Selector.pseudos.nth(nodes, "1", root, false, true);
        },
        'last-of-type': function(nodes, formula, root) {
            return Selector.pseudos.nth(nodes, "1", root, true, true);
        },
        'only-of-type': function(nodes, formula, root) {
            var p = Selector.pseudos;
            return p['last-of-type'](p['first-of-type'](nodes, formula, root), formula, root);
        },

        // handles the an+b logic
        getIndices: function(a, b, total) {
            if (a == 0) return b > 0 ? [b] : [];
            return $R(1, total).inject([], function(memo, i) {
                if (0 == (i - b) % a && (i - b) / a >= 0) memo.push(i);
                return memo;
            });
        },

        // handles nth(-last)-child, nth(-last)-of-type, and (first|last)-of-type
        nth: function(nodes, formula, root, reverse, ofType) {
            if (nodes.length == 0) return [];
            if (formula == 'even') formula = '2n+0';
            if (formula == 'odd') formula = '2n+1';
            var h = Selector.handlers, results = [], indexed = [], m;
            h.mark(nodes);
            for (var i = 0, node; node = nodes[i]; i++) {
                if (!node.parentNode._counted) {
                    h.index(node.parentNode, reverse, ofType);
                    indexed.push(node.parentNode);
                }
            }
            if (formula.match(/^\d+$/)) { // just a number
                formula = Number(formula);
                for (var i = 0, node; node = nodes[i]; i++)
                    if (node.nodeIndex == formula) results.push(node);
            } else if (m = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b
                if (m[1] == "-") m[1] = -1;
                var a = m[1] ? Number(m[1]) : 1;
                var b = m[2] ? Number(m[2]) : 0;
                var indices = Selector.pseudos.getIndices(a, b, nodes.length);
                for (var i = 0, node, l = indices.length; node = nodes[i]; i++) {
                    for (var j = 0; j < l; j++)
                        if (node.nodeIndex == indices[j]) results.push(node);
                }
            }
            h.unmark(nodes);
            h.unmark(indexed);
            return results;
        },

        'empty': function(nodes, value, root) {
            for (var i = 0, results = [], node; node = nodes[i]; i++) {
                // IE treats comments as element nodes
                if (node.tagName == '!' || (node.firstChild && !node.innerHTML.match(/^\s*$/))) continue;
                results.push(node);
            }
            return results;
        },

        'not': function(nodes, selector, root) {
            var h = Selector.handlers, selectorType, m;
            var exclusions = new Selector(selector).findElements(root);
            h.mark(exclusions);
            for (var i = 0, results = [], node; node = nodes[i]; i++)
                if (!node._counted) results.push(node);
            h.unmark(exclusions);
            return results;
        },

        'enabled': function(nodes, value, root) {
            for (var i = 0, results = [], node; node = nodes[i]; i++)
                if (!node.disabled) results.push(node);
            return results;
        },

        'disabled': function(nodes, value, root) {
            for (var i = 0, results = [], node; node = nodes[i]; i++)
                if (node.disabled) results.push(node);
            return results;
        },

        'checked': function(nodes, value, root) {
            for (var i = 0, results = [], node; node = nodes[i]; i++)
                if (node.checked) results.push(node);
            return results;
        }
    },

    operators: {
        '=': function(nv, v) { return nv == v; },
        '!=': function(nv, v) { return nv != v; },
        '^=': function(nv, v) { return nv.startsWith(v); },
        '$=': function(nv, v) { return nv.endsWith(v); },
        '*=': function(nv, v) { return nv.include(v); },
        '~=': function(nv, v) { return (' ' + nv + ' ').include(' ' + v + ' '); },
        '|=': function(nv, v) { return ('-' + nv.toUpperCase() + '-').include('-' + v.toUpperCase() + '-'); }
    },

    matchElements: function(elements, expression) {
        var matches = new Selector(expression).findElements(), h = Selector.handlers;
        h.mark(matches);
        for (var i = 0, results = [], element; element = elements[i]; i++)
            if (element._counted) results.push(element);
        h.unmark(matches);
        return results;
    },

    findElement: function(elements, expression, index) {
        if (typeof expression == 'number') {
            index = expression; expression = false;
        }
        return Selector.matchElements(elements, expression || '*')[index || 0];
    },

    findChildElements: function(element, expressions) {
        var exprs = expressions.join(','), expressions = [];
        exprs.scan(/(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/, function(m) {
            expressions.push(m[1].strip());
        });
        var results = [], h = Selector.handlers;
        for (var i = 0, l = expressions.length, selector; i < l; i++) {
            selector = new Selector(expressions[i].strip());
            h.concat(results, selector.findElements(element));
        }
        return (l > 1) ? h.unique(results) : results;
    }
});

function $$() {
    return Selector.findChildElements(document, $A(arguments));
}
var Form = {
    reset: function(form) {
        $(form).reset();
        return form;
    },

    serializeElements: function(elements, getHash) {
        var data = elements.inject({}, function(result, element) {
            if (!element.disabled && element.name) {
                var key = element.name, value = $(element).getValue();
                if (value != null) {
                    if (key in result) {
                        if (result[key].constructor != Array) result[key] = [result[key]];
                        result[key].push(value);
                    }
                    else result[key] = value;
                }
            }
            return result;
        });

        return getHash ? data : Hash.toQueryString(data);
    }
};

Form.Methods = {
    serialize: function(form, getHash) {
        return Form.serializeElements(Form.getElements(form), getHash);
    },

    getElements: function(form) {
        return $A($(form).getElementsByTagName('*')).inject([],
      function(elements, child) {
          if (Form.Element.Serializers[child.tagName.toLowerCase()])
              elements.push(Element.extend(child));
          return elements;
      }
    );
    },

    getInputs: function(form, typeName, name) {
        form = $(form);
        var inputs = form.getElementsByTagName('input');

        if (!typeName && !name) return $A(inputs).map(Element.extend);

        for (var i = 0, matchingInputs = [], length = inputs.length; i < length; i++) {
            var input = inputs[i];
            if ((typeName && input.type != typeName) || (name && input.name != name))
                continue;
            matchingInputs.push(Element.extend(input));
        }

        return matchingInputs;
    },

    disable: function(form) {
        form = $(form);
        Form.getElements(form).invoke('disable');
        return form;
    },

    enable: function(form) {
        form = $(form);
        Form.getElements(form).invoke('enable');
        return form;
    },

    findFirstElement: function(form) {
        return $(form).getElements().find(function(element) {
            return element.type != 'hidden' && !element.disabled &&
        ['input', 'select', 'textarea'].include(element.tagName.toLowerCase());
        });
    },

    focusFirstElement: function(form) {
        form = $(form);
        form.findFirstElement().activate();
        return form;
    },

    request: function(form, options) {
        form = $(form), options = Object.clone(options || {});

        var params = options.parameters;
        options.parameters = form.serialize(true);

        if (params) {
            if (typeof params == 'string') params = params.toQueryParams();
            Object.extend(options.parameters, params);
        }

        if (form.hasAttribute('method') && !options.method)
            options.method = form.method;

        return new Ajax.Request(form.readAttribute('action'), options);
    }
}

/*--------------------------------------------------------------------------*/

Form.Element = {
    focus: function(element) {
        $(element).focus();
        return element;
    },

    select: function(element) {
        $(element).select();
        return element;
    }
}

Form.Element.Methods = {
    serialize: function(element) {
        element = $(element);
        if (!element.disabled && element.name) {
            var value = element.getValue();
            if (value != undefined) {
                var pair = {};
                pair[element.name] = value;
                return Hash.toQueryString(pair);
            }
        }
        return '';
    },

    getValue: function(element) {
        element = $(element);
        var method = element.tagName.toLowerCase();
        return Form.Element.Serializers[method](element);
    },

    clear: function(element) {
        $(element).value = '';
        return element;
    },

    present: function(element) {
        return $(element).value != '';
    },

    activate: function(element) {
        element = $(element);
        try {
            element.focus();
            if (element.select && (element.tagName.toLowerCase() != 'input' ||
        !['button', 'reset', 'submit'].include(element.type)))
                element.select();
        } catch (e) { }
        return element;
    },

    disable: function(element) {
        element = $(element);
        element.blur();
        element.disabled = true;
        return element;
    },

    enable: function(element) {
        element = $(element);
        element.disabled = false;
        return element;
    }
}

/*--------------------------------------------------------------------------*/

var Field = Form.Element;
var $F = Form.Element.Methods.getValue;

/*--------------------------------------------------------------------------*/

Form.Element.Serializers = {
    input: function(element) {
        switch (element.type.toLowerCase()) {
            case 'checkbox':
            case 'radio':
                return Form.Element.Serializers.inputSelector(element);
            default:
                return Form.Element.Serializers.textarea(element);
        }
    },

    inputSelector: function(element) {
        return element.checked ? element.value : null;
    },

    textarea: function(element) {
        return element.value;
    },

    select: function(element) {
        return this[element.type == 'select-one' ?
      'selectOne' : 'selectMany'](element);
    },

    selectOne: function(element) {
        var index = element.selectedIndex;
        return index >= 0 ? this.optionValue(element.options[index]) : null;
    },

    selectMany: function(element) {
        var values, length = element.length;
        if (!length) return null;

        for (var i = 0, values = []; i < length; i++) {
            var opt = element.options[i];
            if (opt.selected) values.push(this.optionValue(opt));
        }
        return values;
    },

    optionValue: function(opt) {
        // extend element because hasAttribute may not be native
        return Element.extend(opt).hasAttribute('value') ? opt.value : opt.text;
    }
}

/*--------------------------------------------------------------------------*/

Abstract.TimedObserver = function() { }
Abstract.TimedObserver.prototype = {
    initialize: function(element, frequency, callback) {
        this.frequency = frequency;
        this.element = $(element);
        this.callback = callback;

        this.lastValue = this.getValue();
        this.registerCallback();
    },

    registerCallback: function() {
        setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
    },

    onTimerEvent: function() {
        var value = this.getValue();
        var changed = ('string' == typeof this.lastValue && 'string' == typeof value
      ? this.lastValue != value : String(this.lastValue) != String(value));
        if (changed) {
            this.callback(this.element, value);
            this.lastValue = value;
        }
    }
}

Form.Element.Observer = Class.create();
Form.Element.Observer.prototype = Object.extend(new Abstract.TimedObserver(), {
    getValue: function() {
        return Form.Element.getValue(this.element);
    }
});

Form.Observer = Class.create();
Form.Observer.prototype = Object.extend(new Abstract.TimedObserver(), {
    getValue: function() {
        return Form.serialize(this.element);
    }
});

/*--------------------------------------------------------------------------*/

Abstract.EventObserver = function() { }
Abstract.EventObserver.prototype = {
    initialize: function(element, callback) {
        this.element = $(element);
        this.callback = callback;

        this.lastValue = this.getValue();
        if (this.element.tagName.toLowerCase() == 'form')
            this.registerFormCallbacks();
        else
            this.registerCallback(this.element);
    },

    onElementEvent: function() {
        var value = this.getValue();
        if (this.lastValue != value) {
            this.callback(this.element, value);
            this.lastValue = value;
        }
    },

    registerFormCallbacks: function() {
        Form.getElements(this.element).each(this.registerCallback.bind(this));
    },

    registerCallback: function(element) {
        if (element.type) {
            switch (element.type.toLowerCase()) {
                case 'checkbox':
                case 'radio':
                    Event.observe(element, 'click', this.onElementEvent.bind(this));
                    break;
                default:
                    Event.observe(element, 'change', this.onElementEvent.bind(this));
                    break;
            }
        }
    }
}

Form.Element.EventObserver = Class.create();
Form.Element.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), {
    getValue: function() {
        return Form.Element.getValue(this.element);
    }
});

Form.EventObserver = Class.create();
Form.EventObserver.prototype = Object.extend(new Abstract.EventObserver(), {
    getValue: function() {
        return Form.serialize(this.element);
    }
});
if (!window.Event) {
    var Event = new Object();
}

Object.extend(Event, {
    KEY_BACKSPACE: 8,
    KEY_TAB: 9,
    KEY_RETURN: 13,
    KEY_ESC: 27,
    KEY_LEFT: 37,
    KEY_UP: 38,
    KEY_RIGHT: 39,
    KEY_DOWN: 40,
    KEY_DELETE: 46,
    KEY_HOME: 36,
    KEY_END: 35,
    KEY_PAGEUP: 33,
    KEY_PAGEDOWN: 34,

    element: function(event) {
        return $(event.target || event.srcElement);
    },

    isLeftClick: function(event) {
        return (((event.which) && (event.which == 1)) ||
            ((event.button) && (event.button == 1)));
    },

    pointerX: function(event) {
        return event.pageX || (event.clientX +
      (document.documentElement.scrollLeft || document.body.scrollLeft));
    },

    pointerY: function(event) {
        return event.pageY || (event.clientY +
      (document.documentElement.scrollTop || document.body.scrollTop));
    },

    stop: function(event) {
        if (event.preventDefault) {
            event.preventDefault();
            event.stopPropagation();
        } else {
            event.returnValue = false;
            event.cancelBubble = true;
        }
    },

    // find the first node with the given tagName, starting from the
    // node the event was triggered on; traverses the DOM upwards
    findElement: function(event, tagName) {
        var element = Event.element(event);
        while (element.parentNode && (!element.tagName ||
        (element.tagName.toUpperCase() != tagName.toUpperCase())))
            element = element.parentNode;
        return element;
    },

    observers: false,

    _observeAndCache: function(element, name, observer, useCapture) {
        if (!this.observers) this.observers = [];
        if (element.addEventListener) {
            this.observers.push([element, name, observer, useCapture]);
            element.addEventListener(name, observer, useCapture);
        } else if (element.attachEvent) {
            this.observers.push([element, name, observer, useCapture]);
            element.attachEvent('on' + name, observer);
        }
    },

    unloadCache: function() {
        if (!Event.observers) return;
        for (var i = 0, length = Event.observers.length; i < length; i++) {
            Event.stopObserving.apply(this, Event.observers[i]);
            Event.observers[i][0] = null;
        }
        Event.observers = false;
    },

    observe: function(element, name, observer, useCapture) {
        element = $(element);
        useCapture = useCapture || false;

        if (name == 'keypress' &&
      (Prototype.Browser.WebKit || element.attachEvent))
            name = 'keydown';

        Event._observeAndCache(element, name, observer, useCapture);
    },

    stopObserving: function(element, name, observer, useCapture) {
        element = $(element);
        useCapture = useCapture || false;

        if (name == 'keypress' &&
        (Prototype.Browser.WebKit || element.attachEvent))
            name = 'keydown';

        if (element.removeEventListener) {
            element.removeEventListener(name, observer, useCapture);
        } else if (element.detachEvent) {
            try {
                element.detachEvent('on' + name, observer);
            } catch (e) { }
        }
    }
});

/* prevent memory leaks in IE */
if (Prototype.Browser.IE)
    Event.observe(window, 'unload', Event.unloadCache, false);
var Position = {
    // set to true if needed, warning: firefox performance problems
    // NOT neeeded for page scrolling, only if draggable contained in
    // scrollable elements
    includeScrollOffsets: false,

    // must be called before calling withinIncludingScrolloffset, every time the
    // page is scrolled
    prepare: function() {
        this.deltaX = window.pageXOffset
                || document.documentElement.scrollLeft
                || document.body.scrollLeft
                || 0;
        this.deltaY = window.pageYOffset
                || document.documentElement.scrollTop
                || document.body.scrollTop
                || 0;
    },

    realOffset: function(element) {
        var valueT = 0, valueL = 0;
        do {
            valueT += element.scrollTop || 0;
            valueL += element.scrollLeft || 0;
            element = element.parentNode;
        } while (element);
        return [valueL, valueT];
    },

    cumulativeOffset: function(element) {
        var valueT = 0, valueL = 0;
        do {
            valueT += element.offsetTop || 0;
            valueL += element.offsetLeft || 0;
            element = element.offsetParent;
        } while (element);
        return [valueL, valueT];
    },

    positionedOffset: function(element) {
        var valueT = 0, valueL = 0;
        do {
            valueT += element.offsetTop || 0;
            valueL += element.offsetLeft || 0;
            element = element.offsetParent;
            if (element) {
                if (element.tagName == 'BODY') break;
                var p = Element.getStyle(element, 'position');
                if (p == 'relative' || p == 'absolute') break;
            }
        } while (element);
        return [valueL, valueT];
    },

    offsetParent: function(element) {
        if (element.offsetParent) return element.offsetParent;
        if (element == document.body) return element;

        while ((element = element.parentNode) && element != document.body)
            if (Element.getStyle(element, 'position') != 'static')
            return element;

        return document.body;
    },

    // caches x/y coordinate pair to use with overlap
    within: function(element, x, y) {
        if (this.includeScrollOffsets)
            return this.withinIncludingScrolloffsets(element, x, y);
        this.xcomp = x;
        this.ycomp = y;
        this.offset = this.cumulativeOffset(element);

        return (y >= this.offset[1] &&
            y < this.offset[1] + element.offsetHeight &&
            x >= this.offset[0] &&
            x < this.offset[0] + element.offsetWidth);
    },

    withinIncludingScrolloffsets: function(element, x, y) {
        var offsetcache = this.realOffset(element);

        this.xcomp = x + offsetcache[0] - this.deltaX;
        this.ycomp = y + offsetcache[1] - this.deltaY;
        this.offset = this.cumulativeOffset(element);

        return (this.ycomp >= this.offset[1] &&
            this.ycomp < this.offset[1] + element.offsetHeight &&
            this.xcomp >= this.offset[0] &&
            this.xcomp < this.offset[0] + element.offsetWidth);
    },

    // within must be called directly before
    overlap: function(mode, element) {
        if (!mode) return 0;
        if (mode == 'vertical')
            return ((this.offset[1] + element.offsetHeight) - this.ycomp) /
        element.offsetHeight;
        if (mode == 'horizontal')
            return ((this.offset[0] + element.offsetWidth) - this.xcomp) /
        element.offsetWidth;
    },

    page: function(forElement) {
        var valueT = 0, valueL = 0;

        var element = forElement;
        do {
            valueT += element.offsetTop || 0;
            valueL += element.offsetLeft || 0;

            // Safari fix
            if (element.offsetParent == document.body)
                if (Element.getStyle(element, 'position') == 'absolute') break;

        } while (element = element.offsetParent);

        element = forElement;
        do {
            if (!window.opera || element.tagName == 'BODY') {
                valueT -= element.scrollTop || 0;
                valueL -= element.scrollLeft || 0;
            }
        } while (element = element.parentNode);

        return [valueL, valueT];
    },

    clone: function(source, target) {
        var options = Object.extend({
            setLeft: true,
            setTop: true,
            setWidth: true,
            setHeight: true,
            offsetTop: 0,
            offsetLeft: 0
        }, arguments[2] || {})

        // find page position of source
        source = $(source);
        var p = Position.page(source);

        // find coordinate system to use
        target = $(target);
        var delta = [0, 0];
        var parent = null;
        // delta [0,0] will do fine with position: fixed elements,
        // position:absolute needs offsetParent deltas
        if (Element.getStyle(target, 'position') == 'absolute') {
            parent = Position.offsetParent(target);
            delta = Position.page(parent);
        }

        // correct by body offsets (fixes Safari)
        if (parent == document.body) {
            delta[0] -= document.body.offsetLeft;
            delta[1] -= document.body.offsetTop;
        }

        // set position
        if (options.setLeft) target.style.left = (p[0] - delta[0] + options.offsetLeft) + 'px';
        if (options.setTop) target.style.top = (p[1] - delta[1] + options.offsetTop) + 'px';
        if (options.setWidth) target.style.width = source.offsetWidth + 'px';
        if (options.setHeight) target.style.height = source.offsetHeight + 'px';
    },

    absolutize: function(element) {
        element = $(element);
        if (element.style.position == 'absolute') return;
        Position.prepare();

        var offsets = Position.positionedOffset(element);
        var top = offsets[1];
        var left = offsets[0];
        var width = element.clientWidth;
        var height = element.clientHeight;

        element._originalLeft = left - parseFloat(element.style.left || 0);
        element._originalTop = top - parseFloat(element.style.top || 0);
        element._originalWidth = element.style.width;
        element._originalHeight = element.style.height;

        element.style.position = 'absolute';
        element.style.top = top + 'px';
        element.style.left = left + 'px';
        element.style.width = width + 'px';
        element.style.height = height + 'px';
    },

    relativize: function(element) {
        element = $(element);
        if (element.style.position == 'relative') return;
        Position.prepare();

        element.style.position = 'relative';
        var top = parseFloat(element.style.top || 0) - (element._originalTop || 0);
        var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0);

        element.style.top = top + 'px';
        element.style.left = left + 'px';
        element.style.height = element._originalHeight;
        element.style.width = element._originalWidth;
    }
}

// Safari returns margins on body which is incorrect if the child is absolutely
// positioned.  For performance reasons, redefine Position.cumulativeOffset for
// KHTML/WebKit only.
if (Prototype.Browser.WebKit) {
    Position.cumulativeOffset = function(element) {
        var valueT = 0, valueL = 0;
        do {
            valueT += element.offsetTop || 0;
            valueL += element.offsetLeft || 0;
            if (element.offsetParent == document.body)
                if (Element.getStyle(element, 'position') == 'absolute') break;

            element = element.offsetParent;
        } while (element);

        return [valueL, valueT];
    }
}

Element.addMethods();


// script.aculo.us scriptaculous.js v1.7.1_beta3, Fri May 25 17:19:41 +0200 2007

// Copyright (c) 2005-2007 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
// 
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
// 
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
// For details, see the script.aculo.us web site: http://script.aculo.us/

var Scriptaculous = {
    Version: '1.7.1_beta3',
    require: function(libraryName) {
        // inserting via DOM fails in Safari 2.0, so brute force approach
        document.write('<script type="text/javascript" src="' + libraryName + '"></script>');
    },
    REQUIRED_PROTOTYPE: '1.5.1',
    load: function() {
        function convertVersionString(versionString) {
            var r = versionString.split('.');
            return parseInt(r[0]) * 100000 + parseInt(r[1]) * 1000 + parseInt(r[2]);
        }

        if ((typeof Prototype == 'undefined') ||
       (typeof Element == 'undefined') ||
       (typeof Element.Methods == 'undefined') ||
       (convertVersionString(Prototype.Version) <
        convertVersionString(Scriptaculous.REQUIRED_PROTOTYPE)))
            throw ("script.aculo.us requires the Prototype JavaScript framework >= " +
        Scriptaculous.REQUIRED_PROTOTYPE);

        $A(document.getElementsByTagName("script")).findAll(function(s) {
            return (s.src && s.src.match(/scriptaculous\.js(\?.*)?$/))
        }).each(function(s) {
            var path = s.src.replace(/scriptaculous\.js(\?.*)?$/, '');
            var includes = s.src.match(/\?.*load=([a-z,]*)/);
            (includes ? includes[1] : 'builder,effects,dragdrop,controls,slider,sound').split(',').each(
       function(include) { Scriptaculous.require(path + include + '.js') });
        });
    }
}

Scriptaculous.load();

/*
Lightbox++ v1.0.1 (Initial Release)
Modification by Justin Lyric - http://www.codefidelity.com
Wednesday, July 4th, 2007 (Happy 4th!)
	
For installation instructions and script updates, please visit:
http://www.codefidelity.com/blog/?page_id=7
	
Original Lightbox Script by Lokesh Dhakar
http://www.huddletogether.com/projects/lightbox2/
	
Still licensed under the Creative Commons Attribution 2.5 License - http://creativecommons.org/licenses/by/2.5/
	
This script allows you to use the same Lightbox functionality that you're used to as well as 
embed Flash movies.  

*/

/*

Table of Contents
-----------------
Configuration
Global Variables

Extending Built-in Objects	
- Object.extend(Element)
- Array.prototype.removeDuplicates()
- Array.prototype.empty()

Lightbox Class Declaration
- initialize()
- updateElementList()
- start()
- changeElement()
- resizeElementContainer()
- showElement()
- updateDetails()
- updateNav()
- enableKeyboardNav()
- disableKeyboardNav()
- keyboardAction()
- preloadNeighborImages()
- end()
	
Miscellaneous Functions
- getPageScroll()
- getPageSize()
- getKey()
- listenKey()
- showSelectBoxes()
- hideSelectBoxes()
- pause()
- initLightbox()
	
Function Calls
- addLoadEvent(initLightbox)
	
*/


//
//	Configuration
//
var fileLoadingImage = "/images/loading.gif"; 			// Loading image		
var fileBottomNavCloseImage = "/images/closelabel.gif"; 	// Close image
var fallbackOverlayImage = "/images/overlay.png"; 		// Fallback overlay used with browsers that have opacity problems
var overlayOpacity = 0.8; 								// Controls transparency of shadow overlay
var animate = true; 										// Toggles resizing animations
var resizeSpeed = 7; 									// Controls the speed of the image resizing animations (1=slowest and 10=fastest)
var borderSize = 10; 									// If you adjust the padding in the CSS, you will need to update this variable

//
//	Global Variables
//
var elementArray = new Array;
var activeElement;
var userAgent = navigator.userAgent.toLowerCase();

if (animate == true) {
    overlayDuration = 0.2;
    if (resizeSpeed > 10) { resizeSpeed = 10; }
    if (resizeSpeed < 1) { resizeSpeed = 1; }
    resizeDuration = (11 - resizeSpeed) * 0.15;
} else {
    overlayDuration = 0;
    resizeDuration = 0;
}

//
//	Additional methods for Element added by SU, Couloir
//	- Further additions by Lokesh Dhakar (huddletogether.com)
//
Object.extend(Element, {
    getWidth: function(element) {
        element = $(element);
        return element.offsetWidth;
    },
    setWidth: function(element, w) {
        element = $(element);
        element.style.width = w + "px";
    },
    setHeight: function(element, h) {
        element = $(element);
        element.style.height = h + "px";
    },
    setTop: function(element, t) {
        element = $(element);
        element.style.top = t + "px";
    },
    setLeft: function(element, l) {
        element = $(element);
        element.style.left = l + "px";
    },
    setSrc: function(element, src) {
        element = $(element);
        element.src = src;
    },
    setHref: function(element, href) {
        element = $(element);
        element.href = href;
    },
    setInnerHTML: function(element, content) {
        element = $(element);
        element.innerHTML = content;
    }
});

//
//	Extending built-in Array object
//	- array.removeDuplicates()
//	- array.empty()
//
Array.prototype.removeDuplicates = function() {
    for (i = 0; i < this.length; i++) {
        for (j = this.length - 1; j > i; j--) {
            if (this[i][0] == this[j][0]) {
                this.splice(j, 1);
            }
        }
    }
}

Array.prototype.empty = function() {
    for (i = 0; i <= this.length; i++) {
        this.shift();
    }
}

//
//	Lightbox Class Declaration
//	- initialize()
//	- start()
//	- changeElement()
//	- resizeElementContainer()
//	- showElement()
//	- updateDetails()
//	- updateNav()
//	- enableKeyboardNav()
//	- disableKeyboardNav()
//	- keyboardNavAction()
//	- preloadNeighborImages()
//	- end()
//
//	Structuring of code inspired by Scott Upton (http://www.uptonic.com/)
//
var Lightbox = Class.create();

Lightbox.prototype = {

    // initialize()
    // Constructor runs on completion of the DOM loading. Calls updateElementList and then
    // the function inserts html at the bottom of the page which is used to display the shadow 
    // overlay and the image container.
    //
    initialize: function() {

        this.updateElementList();

        // Code inserts html at the bottom of the page that looks similar to this:
        //
        //	<div id="overlay"></div>
        //	<div id="lightbox">
        //		<div id="outerImageContainer">
        //			<div id="imageContainer">
        //				<div id="lightboxcontent">
        //					<img id="lightboxmage">
        //					<div id="lightboxswf">
        //					</div>
        //				</div>
        //				<div style="" id="hoverNav">
        //					<a href="#" id="prevLink"></a>
        //					<a href="#" id="nextLink"></a>
        //				</div>
        //				<div id="loading">
        //					<a href="#" id="loadingLink">
        //						<img src="images/loading.gif">
        //					</a>
        //				</div>
        //			</div>
        //		</div>
        //		<div id="imageDataContainer">
        //			<div id="imageData">
        //				<div id="imageDetails">
        //					<span id="caption"></span>
        //					<span id="numberDisplay"></span>
        //				</div>
        //				<div id="bottomNav">
        //					<a href="#" id="bottomNavClose">
        //						<img src="images/close.gif">
        //					</a>
        //				</div>
        //			</div>
        //		</div>
        //	</div>


        var objBody = document.getElementsByTagName("body").item(0);

        var objOverlay = document.createElement("div");
        objOverlay.setAttribute('id', 'overlay');

        // The mozilla flavors on the mac, specifically Firefox and Camino have difficulties displaying flash over anything with dynamically generated opacity.
        // Here we're using the fallBackOverlayImage to alleviate this problem.    This is a semi-transparent png which is included with the script.
        if (userAgent.indexOf('mac') != -1 && userAgent.indexOf('firefox') != -1 || userAgent.indexOf('camino') != -1) {
            objOverlay.style.backgroundImage = 'url(' + fallbackOverlayImage + ')';
            objOverlay.style.backgroundRepeat = 'repeat';
        } else {
            objOverlay.style.backgroundColor = '#000000';
        }
        objOverlay.style.display = 'none';
        objOverlay.onclick = function() { myLightbox.end(); }
        objBody.appendChild(objOverlay);

        var objLightbox = document.createElement("div");
        objLightbox.setAttribute('id', 'lightbox');
        objLightbox.style.display = 'none';
        objLightbox.onclick = function(e) {
            if (!e) var e = window.event;
            var clickObj = Event.element(e).id;
            if (clickObj == 'lightbox') {
                myLightbox.end();
            }
        };
        objBody.appendChild(objLightbox);

        var objOuterImageContainer = document.createElement("div");
        objOuterImageContainer.setAttribute('id', 'outerImageContainer');
        objLightbox.appendChild(objOuterImageContainer);

        // When Lightbox starts it will resize itself from 250 by 250 to the current image dimension.
        // If animations are turned off, it will be hidden as to prevent a flicker of a
        // white 250 by 250 box.
        if (animate) {
            Element.setWidth('outerImageContainer', 250);
            Element.setHeight('outerImageContainer', 250);
        } else {
            Element.setWidth('outerImageContainer', 1);
            Element.setHeight('outerImageContainer', 1);
        }

        var objImageContainer = document.createElement("div");
        objImageContainer.setAttribute('id', 'imageContainer');
        objOuterImageContainer.appendChild(objImageContainer);

        var objContent = document.createElement("div");
        objContent.setAttribute('id', 'lightboxcontent');
        objImageContainer.appendChild(objContent);

        var objLightboxImage = document.createElement("img");
        objLightboxImage.setAttribute('id', 'lightboximage');
        objLightboxImage.style.display = 'none';
        objContent.appendChild(objLightboxImage);

        objLightboxSwf = document.createElement("div");
        objLightboxSwf.setAttribute('id', 'lightboxswf');
        objLightboxSwf.style.position = 'relative';
        objLightboxSwf.style.zIndex = 101; // Safari
        objLightboxSwf.style.display = 'none';
        objContent.appendChild(objLightboxSwf);

        var objHoverNav = document.createElement("div");
        objHoverNav.setAttribute('id', 'hoverNav');
        objImageContainer.appendChild(objHoverNav);

        var objPrevLink = document.createElement("a");
        objPrevLink.setAttribute('id', 'prevLink');
        objPrevLink.setAttribute('href', '#');
        objHoverNav.appendChild(objPrevLink);

        var objNextLink = document.createElement("a");
        objNextLink.setAttribute('id', 'nextLink');
        objNextLink.setAttribute('href', '#');
        objHoverNav.appendChild(objNextLink);

        var objLoading = document.createElement("div");
        objLoading.setAttribute('id', 'loading');
        objImageContainer.appendChild(objLoading);

        var objLoadingLink = document.createElement("a");
        objLoadingLink.setAttribute('id', 'loadingLink');
        objLoadingLink.setAttribute('href', '#');
        objLoadingLink.onclick = function() { myLightbox.end(); return false; }
        objLoading.appendChild(objLoadingLink);

        var objLoadingImage = document.createElement("img");
        objLoadingImage.setAttribute('src', fileLoadingImage);
        objLoadingLink.appendChild(objLoadingImage);

        var objImageDataContainer = document.createElement("div");
        objImageDataContainer.setAttribute('id', 'imageDataContainer');
        objLightbox.appendChild(objImageDataContainer);

        var objImageData = document.createElement("div");
        objImageData.setAttribute('id', 'imageData');
        objImageDataContainer.appendChild(objImageData);

        var objImageDetails = document.createElement("div");
        objImageDetails.setAttribute('id', 'imageDetails');
        objImageData.appendChild(objImageDetails);

        var objCaption = document.createElement("span");
        objCaption.setAttribute('id', 'caption');
        objImageDetails.appendChild(objCaption);

        var objNumberDisplay = document.createElement("span");
        objNumberDisplay.setAttribute('id', 'numberDisplay');
        objImageDetails.appendChild(objNumberDisplay);

        var objBottomNav = document.createElement("div");
        objBottomNav.setAttribute('id', 'bottomNav');
        objImageData.appendChild(objBottomNav);

        var objBottomNavCloseLink = document.createElement("a");
        objBottomNavCloseLink.setAttribute('id', 'bottomNavClose');
        objBottomNavCloseLink.setAttribute('href', '#');
        objBottomNavCloseLink.onclick = function() { myLightbox.end(); return false; }
        objBottomNav.appendChild(objBottomNavCloseLink);

        var objBottomNavCloseImage = document.createElement("img");
        objBottomNavCloseImage.setAttribute('src', fileBottomNavCloseImage);
        objBottomNavCloseLink.appendChild(objBottomNavCloseImage);
    },


    //
    // updateElementList()
    // Loops through anchor tags looking for 'lightbox' references and applies onclick
    // events to appropriate links. You can rerun after dynamically adding images w/ajax.
    //
    updateElementList: function() {
        if (!document.getElementsByTagName) { return; }
        var anchors = document.getElementsByTagName('a');
        var areas = document.getElementsByTagName('area');

        // Loop through all anchor tags...
        for (var i = 0; i < anchors.length; i++) {
            var anchor = anchors[i];

            var relAttribute = String(anchor.getAttribute('rel'));

            // Use the string.match() method to catch 'lightbox' references in the rel attribute
            if (anchor.getAttribute('href') && (relAttribute.toLowerCase().match('lightbox'))) {
                anchor.onclick = function() { myLightbox.start(this); return false; }
            }
        }

        // Loop through all area tags...
        // ToDo: Combine anchor & area tag loops
        for (var i = 0; i < areas.length; i++) {
            var area = areas[i];

            var relAttribute = String(area.getAttribute('rel'));

            // Use the string.match() method to catch 'lightbox' references in the rel attribute...
            if (area.getAttribute('href') && (relAttribute.toLowerCase().match('lightbox'))) {
                area.onclick = function() { myLightbox.start(this); return false; }
            }
        }
    },


    //
    //	start()
    //	Display overlay and lightbox. If element is part of a set, add siblings to elementArray.
    //
    start: function(elementLink) {

        hideSelectBoxes();
        hideFlash();

        // stretch overlay to fill page and fade in
        var arrayPageSize = getPageSize();
        Element.setWidth('overlay', arrayPageSize[0]);
        Element.setHeight('overlay', arrayPageSize[1]);

        // Again, if the user is on a Mac and has a Mozilla flavor browser, we can't use dynamically generated opacity or you will experience problems with the Flash movies.
        if (userAgent.indexOf('mac') != -1 && userAgent.indexOf('firefox') != -1 || userAgent.indexOf('camino') != -1) {
            Element.show('overlay');
        } else { // Non-Mac, carry on as usual.
            new Effect.Appear('overlay', { duration: overlayDuration, from: 0.0, to: overlayOpacity });
        }

        elementArray = [];
        elementNum = 0;

        if (!document.getElementsByTagName) { return; }
        var anchors = document.getElementsByTagName(elementLink.tagName);


        // If the image or SWF is not a part of the set...
        if ((elementLink.getAttribute('rel') == 'lightbox')) {
            // Add single image or SWF to elementArray
            if (elementLink.getAttribute('href').endsWith('swf')) { // SWF
                elementArray.push(new Array(elementLink.getAttribute('href'), elementLink.getAttribute('title'), elementLink.getAttribute('width'), elementLink.getAttribute('height')));
            } else { // Image
                elementArray.push(new Array(elementLink.getAttribute('href'), elementLink.getAttribute('title')));
            }
        } else {
            // Image or SWF is not part of a set...

            // Loop through anchors, find other images/SWF's in the set, and add them to elementArray
            for (var i = 0; i < anchors.length; i++) {
                var anchor = anchors[i];
                if (anchor.getAttribute('href') && (anchor.getAttribute('rel') == elementLink.getAttribute('rel'))) {
                    if (anchor.getAttribute('href').endsWith('swf')) { // SWF
                        elementArray.push(new Array(anchor.getAttribute('href'), anchor.getAttribute('title'), anchor.getAttribute('width'), anchor.getAttribute('height')));
                    } else {
                        elementArray.push(new Array(anchor.getAttribute('href'), anchor.getAttribute('title')));
                    }
                }
            }
            elementArray.removeDuplicates();
            while (elementArray[elementNum][0] != elementLink.getAttribute('href')) { elementNum++; }
        }

        // Calculate top and left offset for the lightbox 
        var arrayPageScroll = getPageScroll();
        var lightboxTop = arrayPageScroll[1] + (arrayPageSize[3] / 10);
        var lightboxLeft = arrayPageScroll[0];
        Element.setTop('lightbox', lightboxTop);
        Element.setLeft('lightbox', lightboxLeft);

        Element.show('lightbox');

        this.changeElement(elementNum);
    },

    //
    //	changeElement()
    //	Hide most elements and preload image in preparation for resizing the element container.
    //
    changeElement: function(elementNum) {

        activeElement = elementNum; // Update global var

        // Hide elements during transition
        if (animate) { Element.show('loading'); }
        Element.hide('lightboximage');
        Element.hide('lightboxswf');
        Element.hide('hoverNav');
        Element.hide('prevLink');
        Element.hide('nextLink');
        Element.hide('imageDataContainer');
        Element.hide('numberDisplay');

        if (elementArray[activeElement][0].endsWith('swf')) { // SWF
            // No preloading needed here, if a preloader is needed for the Flash movie, it should be built into said Flash movie.
            myLightbox.resizeElementContainer(parseInt(elementArray[activeElement][2]), parseInt(elementArray[activeElement][3]))
        } else {

            imgPreloader = new Image();

            // Once image is preloaded, resize image container
            imgPreloader.onload = function() {
                Element.setSrc('lightboximage', elementArray[activeElement][0]);
                myLightbox.resizeElementContainer(imgPreloader.width, imgPreloader.height);

                imgPreloader.onload = function() { }; //	Clear onLoad, IE behaves irratically with animated gifs otherwise 
            }
            imgPreloader.src = elementArray[activeElement][0];
        }
    },

    //
    //	resizeElementContainer()
    //
    resizeElementContainer: function(elementWidth, elementHeight) {

        // Get current width and height
        this.widthCurrent = Element.getWidth('outerImageContainer');
        this.heightCurrent = Element.getHeight('outerImageContainer');

        // Get new width and height
        var widthNew = (elementWidth + (borderSize * 2));
        var heightNew = (elementHeight + (borderSize * 2));

        // Scalars based on change from old to new
        this.xScale = (widthNew / this.widthCurrent) * 100;
        this.yScale = (heightNew / this.heightCurrent) * 100;

        // Calculate size difference between new and old image, and resize if necessary
        wDiff = this.widthCurrent - widthNew;
        hDiff = this.heightCurrent - heightNew;

        if (!(hDiff == 0)) { new Effect.Scale('outerImageContainer', this.yScale, { scaleX: false, duration: resizeDuration, queue: 'front' }); }
        if (!(wDiff == 0)) { new Effect.Scale('outerImageContainer', this.xScale, { scaleY: false, delay: resizeDuration, duration: resizeDuration }); }

        // If new and old image/SWF are same size and no scaling transition is necessary, 
        // Do a quick pause to prevent image flicker.
        if ((hDiff == 0) && (wDiff == 0)) {
            if (navigator.appVersion.indexOf("MSIE") != -1) { pause(250); } else { pause(100); }
        }

        Element.setHeight('prevLink', elementHeight);
        Element.setHeight('nextLink', elementHeight);
        Element.setWidth('imageDataContainer', widthNew);

        this.showElement();
    },

    //
    //	showElement()
    //	Display image or SWF and begin preloading neighbors (if image).
    //
    showElement: function() {
        Element.hide('loading');

        if (elementArray[activeElement][0].endsWith('swf')) { // SWF
            // Since the activeElement is a SWF, hide the image element.
            $('lightboximage').style.display = 'none';
            // Setup the proper object and embed tags in the SWF div.  The following is a basic set of object and embed tags, edit as you see fit.
            var obj = $('lightboxswf');
            obj.innerHTML = "<object classid=\"clsid:D27CDB6E-AE6D-11cf-96B8-444553540000\" codebase=\"http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,19,0\" width=\"" + elementArray[activeElement][2] + "\" height=\"" + elementArray[activeElement][3] + "\">" +
				"<param name=\"movie\" value=\"" + elementArray[activeElement][0] + "\"/>" +
				"<param name=\"quality\" value=\"high\" />" +
				"<param name=\"allowscriptaccess\" value=\"always\" />" +
				"<param name=\"wmode\" value=\"transparent\" />" +
				"<embed wmode=\"transparent\" allowscriptaccess=\"always\" src=\"" + elementArray[activeElement][0] + "\" quality=\"high\" pluginspage=\"http://www.macromedia.com/go/getflashplayer\" type=\"application/x-shockwave-flash\" width=\"" + elementArray[activeElement][2] + "\" height=\"" + elementArray[activeElement][3] + "\">" +
				"</embed>" +
				"</object>";
            new Effect.Appear('lightboxswf', { duration: resizeDuration, queue: 'end', from: 0.0, to: 100, afterFinish: function() { myLightbox.updateDetails(); } });
        } else { // Image
            // Since the activeElement is an image, hide the SWF element.
            $('lightboxswf').style.display = 'none';
            new Effect.Appear('lightboximage', { duration: resizeDuration, queue: 'end', afterFinish: function() { myLightbox.updateDetails(); } });
            this.preloadNeighborImages();
        }
    },

    //
    //	updateDetails()
    //	Display caption, image/SWF number, and bottom nav.
    //
    updateDetails: function() {
        // if caption is not null
        if (elementArray[activeElement][1]) {
            Element.show('caption');
            Element.setInnerHTML('caption', elementArray[activeElement][1]);
        }

        // if image/SWF is part of set display 'Image/Movie x of x' 
        if (elementArray.length > 1) {
            Element.show('numberDisplay');
            if (elementArray[activeElement][0].endsWith('swf')) { // SWF
                Element.setInnerHTML('numberDisplay', "Movie " + eval(activeElement + 1) + " of " + elementArray.length);
            } else { // Image
                Element.setInnerHTML('numberDisplay', "Image " + eval(activeElement + 1) + " of " + elementArray.length);
            }
        }

        new Effect.Parallel(
			[new Effect.SlideDown('imageDataContainer', { sync: true, duration: resizeDuration, from: 0.0, to: 1.0 }),
			  new Effect.Appear('imageDataContainer', { sync: true, duration: resizeDuration })],
			{ duration: resizeDuration, afterFinish: function() {
			    // Update overlay size and update nav
			    var arrayPageSize = getPageSize();
			    Element.setHeight('overlay', arrayPageSize[1]);
			    myLightbox.updateNav();
			}
			}
		);
    },

    //
    //	updateNav()
    //	Display appropriate previous and next hover navigation.
    //
    updateNav: function() {

        Element.show('hoverNav');

        // If not first image in set, display prev image button
        if (activeElement != 0) {
            Element.show('prevLink');
            document.getElementById('prevLink').onclick = function() {
                myLightbox.changeElement(activeElement - 1); return false;
            }
        }

        // If not last image in set, display next image button
        if (activeElement != (elementArray.length - 1)) {
            Element.show('nextLink');
            document.getElementById('nextLink').onclick = function() {
                myLightbox.changeElement(activeElement + 1); return false;
            }
        }

        this.enableKeyboardNav();
    },

    //
    //	enableKeyboardNav()
    //
    enableKeyboardNav: function() {
        document.onkeydown = this.keyboardAction;
    },

    //
    //	disableKeyboardNav()
    //
    disableKeyboardNav: function() {
        document.onkeydown = '';
    },

    //
    //	keyboardAction()
    //
    keyboardAction: function(e) {
        if (e == null) { // ie
            keycode = event.keyCode;
            escapeKey = 27;
        } else { // Mozilla
            keycode = e.keyCode;
            escapeKey = e.DOM_VK_ESCAPE;
        }

        key = String.fromCharCode(keycode).toLowerCase();

        if ((key == 'x') || (key == 'o') || (key == 'c') || (keycode == escapeKey)) {	// Close lightbox
            myLightbox.end();
        } else if ((key == 'p') || (keycode == 37)) {	// Display previous image/SWF
            if (activeElement != 0) {
                myLightbox.disableKeyboardNav();
                myLightbox.changeElement(activeElement - 1);
            }
        } else if ((key == 'n') || (keycode == 39)) {	// Display next image/SWF
            if (activeElement != (elementArray.length - 1)) {
                myLightbox.disableKeyboardNav();
                myLightbox.changeElement(activeElement + 1);
            }
        }

    },

    //
    //	preloadNeighborImages()
    //	Preload previous and next images.
    //
    preloadNeighborImages: function() {

        if ((elementArray.length - 1) > activeElement) {
            preloadNextImage = new Image();
            preloadNextImage.src = elementArray[activeElement + 1][0];
        }
        if (activeElement > 0) {
            preloadPrevImage = new Image();
            preloadPrevImage.src = elementArray[activeElement - 1][0];
        }

    },

    //
    //	end()
    //
    end: function() {
        this.disableKeyboardNav();
        var obj = $('lightboxswf');
        obj.innerHTML = "";
        Element.hide('lightbox');
        new Effect.Fade('overlay', { duration: overlayDuration });
        showSelectBoxes();
        showFlash();
    }
}

//
// getPageScroll()
// Returns array with x,y page scroll values.
// Core code from - quirksmode.com
//
function getPageScroll() {

    var xScroll, yScroll;

    if (self.pageYOffset) {
        yScroll = self.pageYOffset;
        xScroll = self.pageXOffset;
    } else if (document.documentElement && document.documentElement.scrollTop) {	 // Explorer 6 Strict
        yScroll = document.documentElement.scrollTop;
        xScroll = document.documentElement.scrollLeft;
    } else if (document.body) {// all other Explorers
        yScroll = document.body.scrollTop;
        xScroll = document.body.scrollLeft;
    }

    arrayPageScroll = new Array(xScroll, yScroll)
    return arrayPageScroll;
}

//
// getPageSize()
// Returns array with page width, height and window width, height
// Core code from - quirksmode.com
// Edit for Firefox by pHaez
//
function getPageSize() {

    var xScroll, yScroll;

    if (window.innerHeight && window.scrollMaxY) {
        xScroll = window.innerWidth + window.scrollMaxX;
        yScroll = window.innerHeight + window.scrollMaxY;
    } else if (document.body.scrollHeight > document.body.offsetHeight) { // all but Explorer Mac
        xScroll = document.body.scrollWidth;
        yScroll = document.body.scrollHeight;
    } else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
        xScroll = document.body.offsetWidth;
        yScroll = document.body.offsetHeight;
    }

    var windowWidth, windowHeight;

    //	console.log(self.innerWidth);
    //	console.log(document.documentElement.clientWidth);

    if (self.innerHeight) {	// all except Explorer
        if (document.documentElement.clientWidth) {
            windowWidth = document.documentElement.clientWidth;
        } else {
            windowWidth = self.innerWidth;
        }
        windowHeight = self.innerHeight;
    } else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
        windowWidth = document.documentElement.clientWidth;
        windowHeight = document.documentElement.clientHeight;
    } else if (document.body) { // other Explorers
        windowWidth = document.body.clientWidth;
        windowHeight = document.body.clientHeight;
    }

    // For small pages with total height less then height of the viewport
    if (yScroll < windowHeight) {
        pageHeight = windowHeight;
    } else {
        pageHeight = yScroll;
    }

    //	console.log("xScroll " + xScroll)
    //	console.log("windowWidth " + windowWidth)

    // For small pages with total width less then width of the viewport
    if (xScroll < windowWidth) {
        pageWidth = xScroll;
    } else {
        pageWidth = windowWidth;
    }
    //	console.log("pageWidth " + pageWidth)

    arrayPageSize = new Array(pageWidth, pageHeight, windowWidth, windowHeight)
    return arrayPageSize;
}

//
// getKey(key)
// Gets keycode. If 'x' is pressed then it hides the lightbox.
//
function getKey(e) {
    if (e == null) { // ie
        keycode = event.keyCode;
    } else { // mozilla
        keycode = e.which;
    }
    key = String.fromCharCode(keycode).toLowerCase();

    if (key == 'x') {
    }
}

// -----------------------------------------------------------------------------------

//
// listenKey()
//
function listenKey() { document.onkeypress = getKey; }

// ---------------------------------------------------

function showSelectBoxes() {
    var selects = document.getElementsByTagName("select");
    for (i = 0; i != selects.length; i++) {
        selects[i].style.visibility = "visible";
    }
}

// ---------------------------------------------------

function hideSelectBoxes() {
    var selects = document.getElementsByTagName("select");
    for (i = 0; i != selects.length; i++) {
        selects[i].style.visibility = "hidden";
    }
}

// ---------------------------------------------------

function showFlash() {
    var flashObjects = document.getElementsByTagName("object");
    for (i = 0; i < flashObjects.length; i++) {
        flashObjects[i].style.visibility = "visible";
    }

    var flashEmbeds = document.getElementsByTagName("embed");
    for (i = 0; i < flashEmbeds.length; i++) {
        flashEmbeds[i].style.visibility = "visible";
    }
}

// ---------------------------------------------------

function hideFlash() {
    var flashObjects = document.getElementsByTagName("object");
    for (i = 0; i < flashObjects.length; i++) {
        flashObjects[i].style.visibility = "visible";
    }

    var flashEmbeds = document.getElementsByTagName("embed");
    for (i = 0; i < flashEmbeds.length; i++) {
        flashEmbeds[i].style.visibility = "visible";
    }

}

//
// pause(numberMillis)
// Pauses code execution for specified time. Uses busy code, not good.
// Help from Ran Bar-On [ran2103@gmail.com]
//

function pause(ms) {
    var date = new Date();
    curDate = null;
    do { var curDate = new Date(); }
    while (curDate - date < ms);
}
/*
function pause(numberMillis) {
var curently = new Date().getTime() + sender;
while (new Date().getTime();	
}
*/
// ---------------------------------------------------



function initLightbox() { myLightbox = new Lightbox(); }
Event.observe(window, 'load', initLightbox, false);

// script.aculo.us effects.js v1.7.1_beta3, Fri May 25 17:19:41 +0200 2007

// Copyright (c) 2005-2007 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
// Contributors:
//  Justin Palmer (http://encytemedia.com/)
//  Mark Pilgrim (http://diveintomark.org/)
//  Martin Bialasinki
// 
// script.aculo.us is freely distributable under the terms of an MIT-style license.
// For details, see the script.aculo.us web site: http://script.aculo.us/ 

// converts rgb() and #xxx to #xxxxxx format,  
// returns self (or first argument) if not convertable  
String.prototype.parseColor = function() {
    var color = '#';
    if (this.slice(0, 4) == 'rgb(') {
        var cols = this.slice(4, this.length - 1).split(',');
        var i = 0; do { color += parseInt(cols[i]).toColorPart() } while (++i < 3);
    } else {
        if (this.slice(0, 1) == '#') {
            if (this.length == 4) for (var i = 1; i < 4; i++) color += (this.charAt(i) + this.charAt(i)).toLowerCase();
            if (this.length == 7) color = this.toLowerCase();
        }
    }
    return (color.length == 7 ? color : (arguments[0] || this));
}

/*--------------------------------------------------------------------------*/

Element.collectTextNodes = function(element) {
    return $A($(element).childNodes).collect(function(node) {
        return (node.nodeType == 3 ? node.nodeValue :
      (node.hasChildNodes() ? Element.collectTextNodes(node) : ''));
    }).flatten().join('');
}

Element.collectTextNodesIgnoreClass = function(element, className) {
    return $A($(element).childNodes).collect(function(node) {
        return (node.nodeType == 3 ? node.nodeValue :
      ((node.hasChildNodes() && !Element.hasClassName(node, className)) ?
        Element.collectTextNodesIgnoreClass(node, className) : ''));
    }).flatten().join('');
}

Element.setContentZoom = function(element, percent) {
    element = $(element);
    element.setStyle({ fontSize: (percent / 100) + 'em' });
    if (Prototype.Browser.WebKit) window.scrollBy(0, 0);
    return element;
}

Element.getInlineOpacity = function(element) {
    return $(element).style.opacity || '';
}

Element.forceRerendering = function(element) {
    try {
        element = $(element);
        var n = document.createTextNode(' ');
        element.appendChild(n);
        element.removeChild(n);
    } catch (e) { }
};

/*--------------------------------------------------------------------------*/

Array.prototype.call = function() {
    var args = arguments;
    this.each(function(f) { f.apply(this, args) });
}

/*--------------------------------------------------------------------------*/

var Effect = {
    _elementDoesNotExistError: {
        name: 'ElementDoesNotExistError',
        message: 'The specified DOM element does not exist, but is required for this effect to operate'
    },
    tagifyText: function(element) {
        if (typeof Builder == 'undefined')
            throw ("Effect.tagifyText requires including script.aculo.us' builder.js library");

        var tagifyStyle = 'position:relative';
        if (Prototype.Browser.IE) tagifyStyle += ';zoom:1';

        element = $(element);
        $A(element.childNodes).each(function(child) {
            if (child.nodeType == 3) {
                child.nodeValue.toArray().each(function(character) {
                    element.insertBefore(
            Builder.node('span', { style: tagifyStyle },
              character == ' ' ? String.fromCharCode(160) : character),
              child);
                });
                Element.remove(child);
            }
        });
    },
    multiple: function(element, effect) {
        var elements;
        if (((typeof element == 'object') ||
        (typeof element == 'function')) &&
       (element.length))
            elements = element;
        else
            elements = $(element).childNodes;

        var options = Object.extend({
            speed: 0.1,
            delay: 0.0
        }, arguments[2] || {});
        var masterDelay = options.delay;

        $A(elements).each(function(element, index) {
            new effect(element, Object.extend(options, { delay: index * options.speed + masterDelay }));
        });
    },
    PAIRS: {
        'slide': ['SlideDown', 'SlideUp'],
        'blind': ['BlindDown', 'BlindUp'],
        'appear': ['Appear', 'Fade']
    },
    toggle: function(element, effect) {
        element = $(element);
        effect = (effect || 'appear').toLowerCase();
        var options = Object.extend({
            queue: { position: 'end', scope: (element.id || 'global'), limit: 1 }
        }, arguments[2] || {});
        Effect[element.visible() ?
      Effect.PAIRS[effect][1] : Effect.PAIRS[effect][0]](element, options);
    }
};

var Effect2 = Effect; // deprecated

/* ------------- transitions ------------- */

Effect.Transitions = {
    linear: Prototype.K,
    sinoidal: function(pos) {
        return (-Math.cos(pos * Math.PI) / 2) + 0.5;
    },
    reverse: function(pos) {
        return 1 - pos;
    },
    flicker: function(pos) {
        var pos = ((-Math.cos(pos * Math.PI) / 4) + 0.75) + Math.random() / 4;
        return (pos > 1 ? 1 : pos);
    },
    wobble: function(pos) {
        return (-Math.cos(pos * Math.PI * (9 * pos)) / 2) + 0.5;
    },
    pulse: function(pos, pulses) {
        pulses = pulses || 5;
        return (
      Math.round((pos % (1 / pulses)) * pulses) == 0 ?
            ((pos * pulses * 2) - Math.floor(pos * pulses * 2)) :
        1 - ((pos * pulses * 2) - Math.floor(pos * pulses * 2))
      );
    },
    none: function(pos) {
        return 0;
    },
    full: function(pos) {
        return 1;
    }
};

/* ------------- core effects ------------- */

Effect.ScopedQueue = Class.create();
Object.extend(Object.extend(Effect.ScopedQueue.prototype, Enumerable), {
    initialize: function() {
        this.effects = [];
        this.interval = null;
    },
    _each: function(iterator) {
        this.effects._each(iterator);
    },
    add: function(effect) {
        var timestamp = new Date().getTime();

        var position = (typeof effect.options.queue == 'string') ?
      effect.options.queue : effect.options.queue.position;

        switch (position) {
            case 'front':
                // move unstarted effects after this effect  
                this.effects.findAll(function(e) { return e.state == 'idle' }).each(function(e) {
                    e.startOn += effect.finishOn;
                    e.finishOn += effect.finishOn;
                });
                break;
            case 'with-last':
                timestamp = this.effects.pluck('startOn').max() || timestamp;
                break;
            case 'end':
                // start effect after last queued effect has finished
                timestamp = this.effects.pluck('finishOn').max() || timestamp;
                break;
        }

        effect.startOn += timestamp;
        effect.finishOn += timestamp;

        if (!effect.options.queue.limit || (this.effects.length < effect.options.queue.limit))
            this.effects.push(effect);

        if (!this.interval)
            this.interval = setInterval(this.loop.bind(this), 15);
    },
    remove: function(effect) {
        this.effects = this.effects.reject(function(e) { return e == effect });
        if (this.effects.length == 0) {
            clearInterval(this.interval);
            this.interval = null;
        }
    },
    loop: function() {
        var timePos = new Date().getTime();
        for (var i = 0, len = this.effects.length; i < len; i++)
            this.effects[i] && this.effects[i].loop(timePos);
    }
});

Effect.Queues = {
    instances: $H(),
    get: function(queueName) {
        if (typeof queueName != 'string') return queueName;

        if (!this.instances[queueName])
            this.instances[queueName] = new Effect.ScopedQueue();

        return this.instances[queueName];
    }
}
Effect.Queue = Effect.Queues.get('global');

Effect.DefaultOptions = {
    transition: Effect.Transitions.sinoidal,
    duration: 1.0,   // seconds
    fps: 100,   // 100= assume 66fps max.
    sync: false, // true for combining
    from: 0.0,
    to: 1.0,
    delay: 0.0,
    queue: 'parallel'
}

Effect.Base = function() { };
Effect.Base.prototype = {
    position: null,
    start: function(options) {
        function codeForEvent(options, eventName) {
            return (
        (options[eventName + 'Internal'] ? 'this.options.' + eventName + 'Internal(this);' : '') +
        (options[eventName] ? 'this.options.' + eventName + '(this);' : '')
      );
        }
        if (options.transition === false) options.transition = Effect.Transitions.linear;
        this.options = Object.extend(Object.extend({}, Effect.DefaultOptions), options || {});
        this.currentFrame = 0;
        this.state = 'idle';
        this.startOn = this.options.delay * 1000;
        this.finishOn = this.startOn + (this.options.duration * 1000);
        this.fromToDelta = this.options.to - this.options.from;
        this.totalTime = this.finishOn - this.startOn;
        this.totalFrames = this.options.fps * this.options.duration;

        eval('this.render = function(pos){ ' +
      'if(this.state=="idle"){this.state="running";' +
      codeForEvent(options, 'beforeSetup') +
      (this.setup ? 'this.setup();' : '') +
      codeForEvent(options, 'afterSetup') +
      '};if(this.state=="running"){' +
      'pos=this.options.transition(pos)*' + this.fromToDelta + '+' + this.options.from + ';' +
      'this.position=pos;' +
      codeForEvent(options, 'beforeUpdate') +
      (this.update ? 'this.update(pos);' : '') +
      codeForEvent(options, 'afterUpdate') +
      '}}');

        this.event('beforeStart');
        if (!this.options.sync)
            Effect.Queues.get(typeof this.options.queue == 'string' ?
        'global' : this.options.queue.scope).add(this);
    },
    loop: function(timePos) {
        if (timePos >= this.startOn) {
            if (timePos >= this.finishOn) {
                this.render(1.0);
                this.cancel();
                this.event('beforeFinish');
                if (this.finish) this.finish();
                this.event('afterFinish');
                return;
            }
            var pos = (timePos - this.startOn) / this.totalTime,
          frame = Math.round(pos * this.totalFrames);
            if (frame > this.currentFrame) {
                this.render(pos);
                this.currentFrame = frame;
            }
        }
    },
    cancel: function() {
        if (!this.options.sync)
            Effect.Queues.get(typeof this.options.queue == 'string' ?
        'global' : this.options.queue.scope).remove(this);
        this.state = 'finished';
    },
    event: function(eventName) {
        if (this.options[eventName + 'Internal']) this.options[eventName + 'Internal'](this);
        if (this.options[eventName]) this.options[eventName](this);
    },
    inspect: function() {
        var data = $H();
        for (property in this)
            if (typeof this[property] != 'function') data[property] = this[property];
        return '#<Effect:' + data.inspect() + ',options:' + $H(this.options).inspect() + '>';
    }
}

Effect.Parallel = Class.create();
Object.extend(Object.extend(Effect.Parallel.prototype, Effect.Base.prototype), {
    initialize: function(effects) {
        this.effects = effects || [];
        this.start(arguments[1]);
    },
    update: function(position) {
        this.effects.invoke('render', position);
    },
    finish: function(position) {
        this.effects.each(function(effect) {
            effect.render(1.0);
            effect.cancel();
            effect.event('beforeFinish');
            if (effect.finish) effect.finish(position);
            effect.event('afterFinish');
        });
    }
});

Effect.Event = Class.create();
Object.extend(Object.extend(Effect.Event.prototype, Effect.Base.prototype), {
    initialize: function() {
        var options = Object.extend({
            duration: 0
        }, arguments[0] || {});
        this.start(options);
    },
    update: Prototype.emptyFunction
});

Effect.Opacity = Class.create();
Object.extend(Object.extend(Effect.Opacity.prototype, Effect.Base.prototype), {
    initialize: function(element) {
        this.element = $(element);
        if (!this.element) throw (Effect._elementDoesNotExistError);
        // make this work on IE on elements without 'layout'
        if (Prototype.Browser.IE && (!this.element.currentStyle.hasLayout))
            this.element.setStyle({ zoom: 1 });
        var options = Object.extend({
            from: this.element.getOpacity() || 0.0,
            to: 1.0
        }, arguments[1] || {});
        this.start(options);
    },
    update: function(position) {
        this.element.setOpacity(position);
    }
});

Effect.Move = Class.create();
Object.extend(Object.extend(Effect.Move.prototype, Effect.Base.prototype), {
    initialize: function(element) {
        this.element = $(element);
        if (!this.element) throw (Effect._elementDoesNotExistError);
        var options = Object.extend({
            x: 0,
            y: 0,
            mode: 'relative'
        }, arguments[1] || {});
        this.start(options);
    },
    setup: function() {
        // Bug in Opera: Opera returns the "real" position of a static element or
        // relative element that does not have top/left explicitly set.
        // ==> Always set top and left for position relative elements in your stylesheets 
        // (to 0 if you do not need them) 
        this.element.makePositioned();
        this.originalLeft = parseFloat(this.element.getStyle('left') || '0');
        this.originalTop = parseFloat(this.element.getStyle('top') || '0');
        if (this.options.mode == 'absolute') {
            // absolute movement, so we need to calc deltaX and deltaY
            this.options.x = this.options.x - this.originalLeft;
            this.options.y = this.options.y - this.originalTop;
        }
    },
    update: function(position) {
        this.element.setStyle({
            left: Math.round(this.options.x * position + this.originalLeft) + 'px',
            top: Math.round(this.options.y * position + this.originalTop) + 'px'
        });
    }
});

// for backwards compatibility
Effect.MoveBy = function(element, toTop, toLeft) {
    return new Effect.Move(element,
    Object.extend({ x: toLeft, y: toTop }, arguments[3] || {}));
};

Effect.Scale = Class.create();
Object.extend(Object.extend(Effect.Scale.prototype, Effect.Base.prototype), {
    initialize: function(element, percent) {
        this.element = $(element);
        if (!this.element) throw (Effect._elementDoesNotExistError);
        var options = Object.extend({
            scaleX: true,
            scaleY: true,
            scaleContent: true,
            scaleFromCenter: false,
            scaleMode: 'box',        // 'box' or 'contents' or {} with provided values
            scaleFrom: 100.0,
            scaleTo: percent
        }, arguments[2] || {});
        this.start(options);
    },
    setup: function() {
        this.restoreAfterFinish = this.options.restoreAfterFinish || false;
        this.elementPositioning = this.element.getStyle('position');

        this.originalStyle = {};
        ['top', 'left', 'width', 'height', 'fontSize'].each(function(k) {
            this.originalStyle[k] = this.element.style[k];
        } .bind(this));

        this.originalTop = this.element.offsetTop;
        this.originalLeft = this.element.offsetLeft;

        var fontSize = this.element.getStyle('font-size') || '100%';
        ['em', 'px', '%', 'pt'].each(function(fontSizeType) {
            if (fontSize.indexOf(fontSizeType) > 0) {
                this.fontSize = parseFloat(fontSize);
                this.fontSizeType = fontSizeType;
            }
        } .bind(this));

        this.factor = (this.options.scaleTo - this.options.scaleFrom) / 100;

        this.dims = null;
        if (this.options.scaleMode == 'box')
            this.dims = [this.element.offsetHeight, this.element.offsetWidth];
        if (/^content/.test(this.options.scaleMode))
            this.dims = [this.element.scrollHeight, this.element.scrollWidth];
        if (!this.dims)
            this.dims = [this.options.scaleMode.originalHeight,
                   this.options.scaleMode.originalWidth];
    },
    update: function(position) {
        var currentScale = (this.options.scaleFrom / 100.0) + (this.factor * position);
        if (this.options.scaleContent && this.fontSize)
            this.element.setStyle({ fontSize: this.fontSize * currentScale + this.fontSizeType });
        this.setDimensions(this.dims[0] * currentScale, this.dims[1] * currentScale);
    },
    finish: function(position) {
        if (this.restoreAfterFinish) this.element.setStyle(this.originalStyle);
    },
    setDimensions: function(height, width) {
        var d = {};
        if (this.options.scaleX) d.width = Math.round(width) + 'px';
        if (this.options.scaleY) d.height = Math.round(height) + 'px';
        if (this.options.scaleFromCenter) {
            var topd = (height - this.dims[0]) / 2;
            var leftd = (width - this.dims[1]) / 2;
            if (this.elementPositioning == 'absolute') {
                if (this.options.scaleY) d.top = this.originalTop - topd + 'px';
                if (this.options.scaleX) d.left = this.originalLeft - leftd + 'px';
            } else {
                if (this.options.scaleY) d.top = -topd + 'px';
                if (this.options.scaleX) d.left = -leftd + 'px';
            }
        }
        this.element.setStyle(d);
    }
});

Effect.Highlight = Class.create();
Object.extend(Object.extend(Effect.Highlight.prototype, Effect.Base.prototype), {
    initialize: function(element) {
        this.element = $(element);
        if (!this.element) throw (Effect._elementDoesNotExistError);
        var options = Object.extend({ startcolor: '#ffff99' }, arguments[1] || {});
        this.start(options);
    },
    setup: function() {
        // Prevent executing on elements not in the layout flow
        if (this.element.getStyle('display') == 'none') { this.cancel(); return; }
        // Disable background image during the effect
        this.oldStyle = {};
        if (!this.options.keepBackgroundImage) {
            this.oldStyle.backgroundImage = this.element.getStyle('background-image');
            this.element.setStyle({ backgroundImage: 'none' });
        }
        if (!this.options.endcolor)
            this.options.endcolor = this.element.getStyle('background-color').parseColor('#ffffff');
        if (!this.options.restorecolor)
            this.options.restorecolor = this.element.getStyle('background-color');
        // init color calculations
        this._base = $R(0, 2).map(function(i) { return parseInt(this.options.startcolor.slice(i * 2 + 1, i * 2 + 3), 16) } .bind(this));
        this._delta = $R(0, 2).map(function(i) { return parseInt(this.options.endcolor.slice(i * 2 + 1, i * 2 + 3), 16) - this._base[i] } .bind(this));
    },
    update: function(position) {
        this.element.setStyle({ backgroundColor: $R(0, 2).inject('#', function(m, v, i) {
            return m + (Math.round(this._base[i] + (this._delta[i] * position)).toColorPart());
        } .bind(this))
        });
    },
    finish: function() {
        this.element.setStyle(Object.extend(this.oldStyle, {
            backgroundColor: this.options.restorecolor
        }));
    }
});

Effect.ScrollTo = Class.create();
Object.extend(Object.extend(Effect.ScrollTo.prototype, Effect.Base.prototype), {
    initialize: function(element) {
        this.element = $(element);
        this.start(arguments[1] || {});
    },
    setup: function() {
        Position.prepare();
        var offsets = Position.cumulativeOffset(this.element);
        if (this.options.offset) offsets[1] += this.options.offset;
        var max = window.innerHeight ?
      window.height - window.innerHeight :
      document.body.scrollHeight -
        (document.documentElement.clientHeight ?
          document.documentElement.clientHeight : document.body.clientHeight);
        this.scrollStart = Position.deltaY;
        this.delta = (offsets[1] > max ? max : offsets[1]) - this.scrollStart;
    },
    update: function(position) {
        Position.prepare();
        window.scrollTo(Position.deltaX,
      this.scrollStart + (position * this.delta));
    }
});

/* ------------- combination effects ------------- */

Effect.Fade = function(element) {
    element = $(element);
    var oldOpacity = element.getInlineOpacity();
    var options = Object.extend({
        from: element.getOpacity() || 1.0,
        to: 0.0,
        afterFinishInternal: function(effect) {
            if (effect.options.to != 0) return;
            effect.element.hide().setStyle({ opacity: oldOpacity });
        } 
    }, arguments[1] || {});
    return new Effect.Opacity(element, options);
}

Effect.Appear = function(element) {
    element = $(element);
    var options = Object.extend({
        from: (element.getStyle('display') == 'none' ? 0.0 : element.getOpacity() || 0.0),
        to: 1.0,
        // force Safari to render floated elements properly
        afterFinishInternal: function(effect) {
            effect.element.forceRerendering();
        },
        beforeSetup: function(effect) {
            effect.element.setOpacity(effect.options.from).show();
        } 
    }, arguments[1] || {});
    return new Effect.Opacity(element, options);
}

Effect.Puff = function(element) {
    element = $(element);
    var oldStyle = {
        opacity: element.getInlineOpacity(),
        position: element.getStyle('position'),
        top: element.style.top,
        left: element.style.left,
        width: element.style.width,
        height: element.style.height
    };
    return new Effect.Parallel(
   [new Effect.Scale(element, 200,
      { sync: true, scaleFromCenter: true, scaleContent: true, restoreAfterFinish: true }),
     new Effect.Opacity(element, { sync: true, to: 0.0 })],
     Object.extend({ duration: 1.0,
         beforeSetupInternal: function(effect) {
             Position.absolutize(effect.effects[0].element)
         },
         afterFinishInternal: function(effect) {
             effect.effects[0].element.hide().setStyle(oldStyle);
         }
     }, arguments[1] || {})
   );
}

Effect.BlindUp = function(element) {
    element = $(element);
    element.makeClipping();
    return new Effect.Scale(element, 0,
    Object.extend({ scaleContent: false,
        scaleX: false,
        restoreAfterFinish: true,
        afterFinishInternal: function(effect) {
            effect.element.hide().undoClipping();
        }
    }, arguments[1] || {})
  );
}

Effect.BlindDown = function(element) {
    element = $(element);
    var elementDimensions = element.getDimensions();
    return new Effect.Scale(element, 100, Object.extend({
        scaleContent: false,
        scaleX: false,
        scaleFrom: 0,
        scaleMode: { originalHeight: elementDimensions.height, originalWidth: elementDimensions.width },
        restoreAfterFinish: true,
        afterSetup: function(effect) {
            effect.element.makeClipping().setStyle({ height: '0px' }).show();
        },
        afterFinishInternal: function(effect) {
            effect.element.undoClipping();
        }
    }, arguments[1] || {}));
}

Effect.SwitchOff = function(element) {
    element = $(element);
    var oldOpacity = element.getInlineOpacity();
    return new Effect.Appear(element, Object.extend({
        duration: 0.4,
        from: 0,
        transition: Effect.Transitions.flicker,
        afterFinishInternal: function(effect) {
            new Effect.Scale(effect.element, 1, {
                duration: 0.3, scaleFromCenter: true,
                scaleX: false, scaleContent: false, restoreAfterFinish: true,
                beforeSetup: function(effect) {
                    effect.element.makePositioned().makeClipping();
                },
                afterFinishInternal: function(effect) {
                    effect.element.hide().undoClipping().undoPositioned().setStyle({ opacity: oldOpacity });
                }
            })
        }
    }, arguments[1] || {}));
}

Effect.DropOut = function(element) {
    element = $(element);
    var oldStyle = {
        top: element.getStyle('top'),
        left: element.getStyle('left'),
        opacity: element.getInlineOpacity()
    };
    return new Effect.Parallel(
    [new Effect.Move(element, { x: 0, y: 100, sync: true }),
      new Effect.Opacity(element, { sync: true, to: 0.0 })],
    Object.extend(
      { duration: 0.5,
          beforeSetup: function(effect) {
              effect.effects[0].element.makePositioned();
          },
          afterFinishInternal: function(effect) {
              effect.effects[0].element.hide().undoPositioned().setStyle(oldStyle);
          }
      }, arguments[1] || {}));
}

Effect.Shake = function(element) {
    element = $(element);
    var oldStyle = {
        top: element.getStyle('top'),
        left: element.getStyle('left')
    };
    return new Effect.Move(element,
      { x: 20, y: 0, duration: 0.05, afterFinishInternal: function(effect) {
          new Effect.Move(effect.element,
      { x: -40, y: 0, duration: 0.1, afterFinishInternal: function(effect) {
          new Effect.Move(effect.element,
      { x: 40, y: 0, duration: 0.1, afterFinishInternal: function(effect) {
          new Effect.Move(effect.element,
      { x: -40, y: 0, duration: 0.1, afterFinishInternal: function(effect) {
          new Effect.Move(effect.element,
      { x: 40, y: 0, duration: 0.1, afterFinishInternal: function(effect) {
          new Effect.Move(effect.element,
      { x: -20, y: 0, duration: 0.05, afterFinishInternal: function(effect) {
          effect.element.undoPositioned().setStyle(oldStyle);
      } 
      })
      } 
      })
      } 
      })
      } 
      })
      } 
      })
      } 
      });
}

Effect.SlideDown = function(element) {
    element = $(element).cleanWhitespace();
    // SlideDown need to have the content of the element wrapped in a container element with fixed height!
    var oldInnerBottom = element.down().getStyle('bottom');
    var elementDimensions = element.getDimensions();
    return new Effect.Scale(element, 100, Object.extend({
        scaleContent: false,
        scaleX: false,
        scaleFrom: window.opera ? 0 : 1,
        scaleMode: { originalHeight: elementDimensions.height, originalWidth: elementDimensions.width },
        restoreAfterFinish: true,
        afterSetup: function(effect) {
            effect.element.makePositioned();
            effect.element.down().makePositioned();
            if (window.opera) effect.element.setStyle({ top: '' });
            effect.element.makeClipping().setStyle({ height: '0px' }).show();
        },
        afterUpdateInternal: function(effect) {
            effect.element.down().setStyle({ bottom:
        (effect.dims[0] - effect.element.clientHeight) + 'px'
            });
        },
        afterFinishInternal: function(effect) {
            effect.element.undoClipping().undoPositioned();
            effect.element.down().undoPositioned().setStyle({ bottom: oldInnerBottom });
        }
    }, arguments[1] || {})
  );
}

Effect.SlideUp = function(element) {
    element = $(element).cleanWhitespace();
    var oldInnerBottom = element.down().getStyle('bottom');
    return new Effect.Scale(element, window.opera ? 0 : 1,
   Object.extend({ scaleContent: false,
       scaleX: false,
       scaleMode: 'box',
       scaleFrom: 100,
       restoreAfterFinish: true,
       beforeStartInternal: function(effect) {
           effect.element.makePositioned();
           effect.element.down().makePositioned();
           if (window.opera) effect.element.setStyle({ top: '' });
           effect.element.makeClipping().show();
       },
       afterUpdateInternal: function(effect) {
           effect.element.down().setStyle({ bottom:
        (effect.dims[0] - effect.element.clientHeight) + 'px'
           });
       },
       afterFinishInternal: function(effect) {
           effect.element.hide().undoClipping().undoPositioned().setStyle({ bottom: oldInnerBottom });
           effect.element.down().undoPositioned();
       }
   }, arguments[1] || {})
  );
}

// Bug in opera makes the TD containing this element expand for a instance after finish 
Effect.Squish = function(element) {
    return new Effect.Scale(element, window.opera ? 1 : 0, {
        restoreAfterFinish: true,
        beforeSetup: function(effect) {
            effect.element.makeClipping();
        },
        afterFinishInternal: function(effect) {
            effect.element.hide().undoClipping();
        }
    });
}

Effect.Grow = function(element) {
    element = $(element);
    var options = Object.extend({
        direction: 'center',
        moveTransition: Effect.Transitions.sinoidal,
        scaleTransition: Effect.Transitions.sinoidal,
        opacityTransition: Effect.Transitions.full
    }, arguments[1] || {});
    var oldStyle = {
        top: element.style.top,
        left: element.style.left,
        height: element.style.height,
        width: element.style.width,
        opacity: element.getInlineOpacity()
    };

    var dims = element.getDimensions();
    var initialMoveX, initialMoveY;
    var moveX, moveY;

    switch (options.direction) {
        case 'top-left':
            initialMoveX = initialMoveY = moveX = moveY = 0;
            break;
        case 'top-right':
            initialMoveX = dims.width;
            initialMoveY = moveY = 0;
            moveX = -dims.width;
            break;
        case 'bottom-left':
            initialMoveX = moveX = 0;
            initialMoveY = dims.height;
            moveY = -dims.height;
            break;
        case 'bottom-right':
            initialMoveX = dims.width;
            initialMoveY = dims.height;
            moveX = -dims.width;
            moveY = -dims.height;
            break;
        case 'center':
            initialMoveX = dims.width / 2;
            initialMoveY = dims.height / 2;
            moveX = -dims.width / 2;
            moveY = -dims.height / 2;
            break;
    }

    return new Effect.Move(element, {
        x: initialMoveX,
        y: initialMoveY,
        duration: 0.01,
        beforeSetup: function(effect) {
            effect.element.hide().makeClipping().makePositioned();
        },
        afterFinishInternal: function(effect) {
            new Effect.Parallel(
        [new Effect.Opacity(effect.element, { sync: true, to: 1.0, from: 0.0, transition: options.opacityTransition }),
          new Effect.Move(effect.element, { x: moveX, y: moveY, sync: true, transition: options.moveTransition }),
          new Effect.Scale(effect.element, 100, {
              scaleMode: { originalHeight: dims.height, originalWidth: dims.width },
              sync: true, scaleFrom: window.opera ? 1 : 0, transition: options.scaleTransition, restoreAfterFinish: true
          })
        ], Object.extend({
            beforeSetup: function(effect) {
                effect.effects[0].element.setStyle({ height: '0px' }).show();
            },
            afterFinishInternal: function(effect) {
                effect.effects[0].element.undoClipping().undoPositioned().setStyle(oldStyle);
            }
        }, options)
      )
        }
    });
}

Effect.Shrink = function(element) {
    element = $(element);
    var options = Object.extend({
        direction: 'center',
        moveTransition: Effect.Transitions.sinoidal,
        scaleTransition: Effect.Transitions.sinoidal,
        opacityTransition: Effect.Transitions.none
    }, arguments[1] || {});
    var oldStyle = {
        top: element.style.top,
        left: element.style.left,
        height: element.style.height,
        width: element.style.width,
        opacity: element.getInlineOpacity()
    };

    var dims = element.getDimensions();
    var moveX, moveY;

    switch (options.direction) {
        case 'top-left':
            moveX = moveY = 0;
            break;
        case 'top-right':
            moveX = dims.width;
            moveY = 0;
            break;
        case 'bottom-left':
            moveX = 0;
            moveY = dims.height;
            break;
        case 'bottom-right':
            moveX = dims.width;
            moveY = dims.height;
            break;
        case 'center':
            moveX = dims.width / 2;
            moveY = dims.height / 2;
            break;
    }

    return new Effect.Parallel(
    [new Effect.Opacity(element, { sync: true, to: 0.0, from: 1.0, transition: options.opacityTransition }),
      new Effect.Scale(element, window.opera ? 1 : 0, { sync: true, transition: options.scaleTransition, restoreAfterFinish: true }),
      new Effect.Move(element, { x: moveX, y: moveY, sync: true, transition: options.moveTransition })
    ], Object.extend({
        beforeStartInternal: function(effect) {
            effect.effects[0].element.makePositioned().makeClipping();
        },
        afterFinishInternal: function(effect) {
            effect.effects[0].element.hide().undoClipping().undoPositioned().setStyle(oldStyle);
        }
    }, options)
  );
}

Effect.Pulsate = function(element) {
    element = $(element);
    var options = arguments[1] || {};
    var oldOpacity = element.getInlineOpacity();
    var transition = options.transition || Effect.Transitions.sinoidal;
    var reverser = function(pos) { return transition(1 - Effect.Transitions.pulse(pos, options.pulses)) };
    reverser.bind(transition);
    return new Effect.Opacity(element,
    Object.extend(Object.extend({ duration: 2.0, from: 0,
        afterFinishInternal: function(effect) { effect.element.setStyle({ opacity: oldOpacity }); }
    }, options), { transition: reverser }));
}

Effect.Fold = function(element) {
    element = $(element);
    var oldStyle = {
        top: element.style.top,
        left: element.style.left,
        width: element.style.width,
        height: element.style.height
    };
    element.makeClipping();
    return new Effect.Scale(element, 5, Object.extend({
        scaleContent: false,
        scaleX: false,
        afterFinishInternal: function(effect) {
            new Effect.Scale(element, 1, {
                scaleContent: false,
                scaleY: false,
                afterFinishInternal: function(effect) {
                    effect.element.hide().undoClipping().setStyle(oldStyle);
                } 
            });
        } 
    }, arguments[1] || {}));
};

Effect.Morph = Class.create();
Object.extend(Object.extend(Effect.Morph.prototype, Effect.Base.prototype), {
    initialize: function(element) {
        this.element = $(element);
        if (!this.element) throw (Effect._elementDoesNotExistError);
        var options = Object.extend({
            style: {}
        }, arguments[1] || {});
        if (typeof options.style == 'string') {
            if (options.style.indexOf(':') == -1) {
                var cssText = '', selector = '.' + options.style;
                $A(document.styleSheets).reverse().each(function(styleSheet) {
                    if (styleSheet.cssRules) cssRules = styleSheet.cssRules;
                    else if (styleSheet.rules) cssRules = styleSheet.rules;
                    $A(cssRules).reverse().each(function(rule) {
                        if (selector == rule.selectorText) {
                            cssText = rule.style.cssText;
                            throw $break;
                        }
                    });
                    if (cssText) throw $break;
                });
                this.style = cssText.parseStyle();
                options.afterFinishInternal = function(effect) {
                    effect.element.addClassName(effect.options.style);
                    effect.transforms.each(function(transform) {
                        if (transform.style != 'opacity')
                            effect.element.style[transform.style] = '';
                    });
                }
            } else this.style = options.style.parseStyle();
        } else this.style = $H(options.style)
        this.start(options);
    },
    setup: function() {
        function parseColor(color) {
            if (!color || ['rgba(0, 0, 0, 0)', 'transparent'].include(color)) color = '#ffffff';
            color = color.parseColor();
            return $R(0, 2).map(function(i) {
                return parseInt(color.slice(i * 2 + 1, i * 2 + 3), 16)
            });
        }
        this.transforms = this.style.map(function(pair) {
            var property = pair[0], value = pair[1], unit = null;

            if (value.parseColor('#zzzzzz') != '#zzzzzz') {
                value = value.parseColor();
                unit = 'color';
            } else if (property == 'opacity') {
                value = parseFloat(value);
                if (Prototype.Browser.IE && (!this.element.currentStyle.hasLayout))
                    this.element.setStyle({ zoom: 1 });
            } else if (Element.CSS_LENGTH.test(value)) {
                var components = value.match(/^([\+\-]?[0-9\.]+)(.*)$/);
                value = parseFloat(components[1]);
                unit = (components.length == 3) ? components[2] : null;
            }

            var originalValue = this.element.getStyle(property);
            return {
                style: property.camelize(),
                originalValue: unit == 'color' ? parseColor(originalValue) : parseFloat(originalValue || 0),
                targetValue: unit == 'color' ? parseColor(value) : value,
                unit: unit
            };
        } .bind(this)).reject(function(transform) {
            return (
        (transform.originalValue == transform.targetValue) ||
        (
          transform.unit != 'color' &&
          (isNaN(transform.originalValue) || isNaN(transform.targetValue))
        )
      )
        });
    },
    update: function(position) {
        var style = {}, transform, i = this.transforms.length;
        while (i--)
            style[(transform = this.transforms[i]).style] =
        transform.unit == 'color' ? '#' +
          (Math.round(transform.originalValue[0] +
            (transform.targetValue[0] - transform.originalValue[0]) * position)).toColorPart() +
          (Math.round(transform.originalValue[1] +
            (transform.targetValue[1] - transform.originalValue[1]) * position)).toColorPart() +
          (Math.round(transform.originalValue[2] +
            (transform.targetValue[2] - transform.originalValue[2]) * position)).toColorPart() :
        transform.originalValue + Math.round(
          ((transform.targetValue - transform.originalValue) * position) * 1000) / 1000 + transform.unit;
        this.element.setStyle(style, true);
    }
});

Effect.Transform = Class.create();
Object.extend(Effect.Transform.prototype, {
    initialize: function(tracks) {
        this.tracks = [];
        this.options = arguments[1] || {};
        this.addTracks(tracks);
    },
    addTracks: function(tracks) {
        tracks.each(function(track) {
            var data = $H(track).values().first();
            this.tracks.push($H({
                ids: $H(track).keys().first(),
                effect: Effect.Morph,
                options: { style: data }
            }));
        } .bind(this));
        return this;
    },
    play: function() {
        return new Effect.Parallel(
      this.tracks.map(function(track) {
          var elements = [$(track.ids) || $$(track.ids)].flatten();
          return elements.map(function(e) { return new track.effect(e, Object.extend({ sync: true }, track.options)) });
      }).flatten(),
      this.options
    );
    }
});

Element.CSS_PROPERTIES = $w(
  'backgroundColor backgroundPosition borderBottomColor borderBottomStyle ' +
  'borderBottomWidth borderLeftColor borderLeftStyle borderLeftWidth ' +
  'borderRightColor borderRightStyle borderRightWidth borderSpacing ' +
  'borderTopColor borderTopStyle borderTopWidth bottom clip color ' +
  'fontSize fontWeight height left letterSpacing lineHeight ' +
  'marginBottom marginLeft marginRight marginTop markerOffset maxHeight ' +
  'maxWidth minHeight minWidth opacity outlineColor outlineOffset ' +
  'outlineWidth paddingBottom paddingLeft paddingRight paddingTop ' +
  'right textIndent top width wordSpacing zIndex');

Element.CSS_LENGTH = /^(([\+\-]?[0-9\.]+)(em|ex|px|in|cm|mm|pt|pc|\%))|0$/;

String.prototype.parseStyle = function() {
    var element = document.createElement('div');
    element.innerHTML = '<div style="' + this + '"></div>';
    var style = element.childNodes[0].style, styleRules = $H();

    Element.CSS_PROPERTIES.each(function(property) {
        if (style[property]) styleRules[property] = style[property];
    });
    if (Prototype.Browser.IE && this.indexOf('opacity') > -1) {
        styleRules.opacity = this.match(/opacity:\s*((?:0|1)?(?:\.\d*)?)/)[1];
    }
    return styleRules;
};

Element.morph = function(element, style) {
    new Effect.Morph(element, Object.extend({ style: style }, arguments[2] || {}));
    return element;
};

['getInlineOpacity', 'forceRerendering', 'setContentZoom',
 'collectTextNodes', 'collectTextNodesIgnoreClass', 'morph'].each(
  function(f) { Element.Methods[f] = Element[f]; }
);

Element.Methods.visualEffect = function(element, effect, options) {
    s = effect.dasherize().camelize();
    effect_class = s.charAt(0).toUpperCase() + s.substring(1);
    new Effect[effect_class](element, options);
    return $(element);
};

Element.addMethods();