/* Prototype JavaScript framework, version 1.6.0.3
* (c) 2005-2008 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: '1.6.0.3',

    Browser: {
        IE: !!(window.attachEvent &&
 navigator.userAgent.indexOf('Opera') === -1),
        Opera: navigator.userAgent.indexOf('Opera') > -1,
        WebKit: navigator.userAgent.indexOf('AppleWebKit/') > -1,
        Gecko: navigator.userAgent.indexOf('Gecko') > -1 &&
 navigator.userAgent.indexOf('KHTML') === -1,
        MobileSafari: !!navigator.userAgent.match(/Apple.*Mobile.*Safari/)
    },

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

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

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

if (Prototype.Browser.MobileSafari)
    Prototype.BrowserFeatures.SpecificElementExtensions = false;


/* Based on Alex Arnell's inheritance implementation. */
var Class = {
    create: function() {
        var parent = null, properties = $A(arguments);
        if (Object.isFunction(properties[0]))
            parent = properties.shift();

        function klass() {
            this.initialize.apply(this, arguments);
        }

        Object.extend(klass, Class.Methods);
        klass.superclass = parent;
        klass.subclasses = [];

        if (parent) {
            var subclass = function() { };
            subclass.prototype = parent.prototype;
            klass.prototype = new subclass;
            parent.subclasses.push(klass);
        }

        for (var i = 0; i < properties.length; i++)
            klass.addMethods(properties[i]);

        if (!klass.prototype.initialize)
            klass.prototype.initialize = Prototype.emptyFunction;

        klass.prototype.constructor = klass;

        return klass;
    }
};

Class.Methods = {
    addMethods: function(source) {
        var ancestor = this.superclass && this.superclass.prototype;
        var properties = Object.keys(source);

        if (!Object.keys({ toString: true }).length)
            properties.push("toString", "valueOf");

        for (var i = 0, length = properties.length; i < length; i++) {
            var property = properties[i], value = source[property];
            if (ancestor && Object.isFunction(value) &&
 value.argumentNames().first() == "$super") {
                var method = value;
                value = (function(m) {
                    return function() { return ancestor[m].apply(this, arguments) };
                })(property).wrap(method);

                value.valueOf = method.valueOf.bind(method);
                value.toString = method.toString.bind(method);
            }
            this.prototype[property] = value;
        }

        return this;
    }
};

var Abstract = {};

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.isUndefined(object)) return 'undefined';
            if (object === null) return 'null';
            return object.inspect ? object.inspect() : String(object);
        } 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.isElement(object)) return;

        var results = [];
        for (var property in object) {
            var value = Object.toJSON(object[property]);
            if (!Object.isUndefined(value))
                results.push(property.toJSON() + ': ' + value);
        }

        return '{' + results.join(', ') + '}';
    },

    toQueryString: function(object) {
        return $H(object).toQueryString();
    },

    toHTML: function(object) {
        return object && object.toHTML ? object.toHTML() : String.interpret(object);
    },

    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);
    },

    isElement: function(object) {
        return !!(object && object.nodeType == 1);
    },

    isArray: function(object) {
        return object != null && typeof object == "object" &&
 'splice' in object && 'join' in object;
    },

    isHash: function(object) {
        return object instanceof Hash;
    },

    isFunction: function(object) {
        return typeof object == "function";
    },

    isString: function(object) {
        return typeof object == "string";
    },

    isNumber: function(object) {
        return typeof object == "number";
    },

    isUndefined: function(object) {
        return typeof object == "undefined";
    }
});

Object.extend(Function.prototype, {
    argumentNames: function() {
        var names = this.toString().match(/^[\s\(]*function[^(]*\(([^\)]*)\)/)[1]
 .replace(/\s+/g, '').split(',');
        return names.length == 1 && !names[0] ? [] : names;
    },

    bind: function() {
        if (arguments.length < 2 && Object.isUndefined(arguments[0])) return this;
        var __method = this, args = $A(arguments), object = args.shift();
        return function() {
            return __method.apply(object, args.concat($A(arguments)));
        }
    },

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

    curry: function() {
        if (!arguments.length) return this;
        var __method = this, args = $A(arguments);
        return function() {
            return __method.apply(this, args.concat($A(arguments)));
        }
    },

    delay: function() {
        var __method = this, args = $A(arguments), timeout = args.shift() * 1000;
        return window.setTimeout(function() {
            return __method.apply(__method, args);
        }, timeout);
    },

    defer: function() {
        var args = [0.01].concat($A(arguments));
        return this.delay.apply(this, args);
    },

    wrap: function(wrapper) {
        var __method = this;
        return function() {
            return wrapper.apply(this, [__method.bind(this)].concat($A(arguments)));
        }
    },

    methodize: function() {
        if (this._methodized) return this._methodized;
        var __method = this;
        return this._methodized = function() {
            return __method.apply(null, [this].concat($A(arguments)));
        };
    }
});

Date.prototype.toJSON = function() {
    return '"' + this.getUTCFullYear() + '-' +
 (this.getUTCMonth() + 1).toPaddedString(2) + '-' +
 this.getUTCDate().toPaddedString(2) + 'T' +
 this.getUTCHours().toPaddedString(2) + ':' +
 this.getUTCMinutes().toPaddedString(2) + ':' +
 this.getUTCSeconds().toPaddedString(2) + 'Z"';
};

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;
    }
};

RegExp.prototype.match = RegExp.prototype.test;

RegExp.escape = function(str) {
    return String(str).replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1');
};

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

var PeriodicalExecuter = Class.create({
    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);
    },

    execute: function() {
        this.callback(this);
    },

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

    onTimerEvent: function() {
        if (!this.currentlyExecuting) {
            try {
                this.currentlyExecuting = true;
                this.execute();
            } 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 = Object.isUndefined(count) ? 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 String(this);
    },

    truncate: function(length, truncation) {
        length = length || 30;
        truncation = Object.isUndefined(truncation) ? '...' : truncation;
        return this.length > length ?
 this.slice(0, length - truncation.length) + truncation : String(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 = new Element('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 (!Object.isArray(hash[key])) 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) {
        return count < 1 ? '' : new Array(count + 1).join(this);
    },

    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}');
    },

    isJSON: function() {
        var str = this;
        if (str.blank()) return false;
        str = this.replace(/\\./g, '@').replace(/"[^"\\\n\r]*"/g, '');
        return (/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test(str);
    },

    evalJSON: function(sanitize) {
        var json = this.unfilterJSON();
        try {
            if (!sanitize || json.isJSON()) 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);
    },

    interpolate: function(object, pattern) {
        return new Template(this, pattern).evaluate(object);
    }
});

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.stripTags().replace(/&amp;/g, '&').replace(/&lt;/g, '<').replace(/&gt;/g, '>');
    }
});

String.prototype.gsub.prepareReplacement = function(replacement) {
    if (Object.isFunction(replacement)) 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('')
});

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

var Template = Class.create({
    initialize: function(template, pattern) {
        this.template = template.toString();
        this.pattern = pattern || Template.Pattern;
    },

    evaluate: function(object) {
        if (Object.isFunction(object.toTemplateReplacements))
            object = object.toTemplateReplacements();

        return this.template.gsub(this.pattern, function(match) {
            if (object == null) return '';

            var before = match[1] || '';
            if (before == '\\') return match[2];

            var ctx = object, expr = match[3];
            var pattern = /^([^.[]+|\[((?:.*?[^\\])?)\])(\.|\[|$)/;
            match = pattern.exec(expr);
            if (match == null) return before;

            while (match != null) {
                var comp = match[1].startsWith('[') ? match[2].gsub('\\\\]', ']') : match[1];
                ctx = ctx[comp];
                if (null == ctx || '' == match[3]) break;
                expr = expr.substring('[' == match[3] ? match[1].length : match[0].length);
                match = pattern.exec(expr);
            }

            return before + String.interpret(ctx);
        });
    }
});
Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/;

var $break = {};

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

    eachSlice: function(number, iterator, context) {
        var index = -number, slices = [], array = this.toArray();
        if (number < 1) return array;
        while ((index += number) < array.length)
            slices.push(array.slice(index, index + number));
        return slices.collect(iterator, context);
    },

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

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

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

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

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

    grep: function(filter, iterator, context) {
        iterator = iterator || Prototype.K;
        var results = [];

        if (Object.isString(filter))
            filter = new RegExp(filter);

        this.each(function(value, index) {
            if (filter.match(value))
                results.push(iterator.call(context, value, index));
        });
        return results;
    },

    include: function(object) {
        if (Object.isFunction(this.indexOf))
            if (this.indexOf(object) != -1) return true;

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

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

    inject: function(memo, iterator, context) {
        this.each(function(value, index) {
            memo = iterator.call(context, 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, context) {
        iterator = iterator || Prototype.K;
        var result;
        this.each(function(value, index) {
            value = iterator.call(context, value, index);
            if (result == null || value >= result)
                result = value;
        });
        return result;
    },

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

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

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

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

    sortBy: function(iterator, context) {
        return this.map(function(value, index) {
            return {
                value: value,
                criteria: iterator.call(context, 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 (Object.isFunction(args.last()))
            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,
    filter: Enumerable.findAll,
    member: Enumerable.include,
    entries: Enumerable.toArray,
    every: Enumerable.all,
    some: Enumerable.any
});
function $A(iterable) {
    if (!iterable) return [];
    if (iterable.toArray) return iterable.toArray();
    var length = iterable.length || 0, results = new Array(length);
    while (length--) results[length] = iterable[length];
    return results;
}

if (Prototype.Browser.WebKit) {
    $A = function(iterable) {
        if (!iterable) return [];
        // In Safari, only use the `toArray` method if it's not a NodeList.
        // A NodeList is a function, has an function `item` property, and a numeric
        // `length` property. Adapted from Google Doctype.
        if (!(typeof iterable === 'function' && typeof iterable.length ===
 'number' && typeof iterable.item === 'function') && iterable.toArray)
            return iterable.toArray();
        var length = iterable.length || 0, results = new Array(length);
        while (length--) results[length] = iterable[length];
        return results;
    };
}

Array.from = $A;

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(Object.isArray(value) ?
 value.flatten() : [value]);
        });
    },

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

    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;
        });
    },

    intersect: function(array) {
        return this.uniq().findAll(function(item) {
            return array.detect(function(value) { return item === value });
        });
    },

    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 (!Object.isUndefined(value)) results.push(value);
        });
        return '[' + results.join(', ') + ']';
    }
});

// use native browser JS 1.6 implementation if available
if (Object.isFunction(Array.prototype.forEach))
    Array.prototype._each = Array.prototype.forEach;

if (!Array.prototype.indexOf) Array.prototype.indexOf = function(item, i) {
    i || (i = 0);
    var length = this.length;
    if (i < 0) i = length + i;
    for (; i < length; i++)
        if (this[i] === item) return i;
    return -1;
};

if (!Array.prototype.lastIndexOf) Array.prototype.lastIndexOf = function(item, i) {
    i = isNaN(i) ? this.length : (i < 0 ? this.length + i : i) + 1;
    var n = this.slice(0, i).reverse().indexOf(item);
    return (n < 0) ? n : i - n - 1;
};

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

function $w(string) {
    if (!Object.isString(string)) return [];
    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 (Object.isArray(arguments[i])) {
                for (var j = 0, arrayLength = arguments[i].length; j < arrayLength; j++)
                    array.push(arguments[i][j]);
            } else {
                array.push(arguments[i]);
            }
        }
        return array;
    };
}
Object.extend(Number.prototype, {
    toColorPart: function() {
        return this.toPaddedString(2, 16);
    },

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

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

$w('abs round ceil floor').each(function(method) {
    Number.prototype[method] = Math[method].methodize();
});
function $H(object) {
    return new Hash(object);
};

var Hash = Class.create(Enumerable, (function() {

    function toQueryPair(key, value) {
        if (Object.isUndefined(value)) return key;
        return key + '=' + encodeURIComponent(String.interpret(value));
    }

    return {
        initialize: function(object) {
            this._object = Object.isHash(object) ? object.toObject() : Object.clone(object);
        },

        _each: function(iterator) {
            for (var key in this._object) {
                var value = this._object[key], pair = [key, value];
                pair.key = key;
                pair.value = value;
                iterator(pair);
            }
        },

        set: function(key, value) {
            return this._object[key] = value;
        },

        get: function(key) {
            // simulating poorly supported hasOwnProperty
            if (this._object[key] !== Object.prototype[key])
                return this._object[key];
        },

        unset: function(key) {
            var value = this._object[key];
            delete this._object[key];
            return value;
        },

        toObject: function() {
            return Object.clone(this._object);
        },

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

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

        index: function(value) {
            var match = this.detect(function(pair) {
                return pair.value === value;
            });
            return match && match.key;
        },

        merge: function(object) {
            return this.clone().update(object);
        },

        update: function(object) {
            return new Hash(object).inject(this, function(result, pair) {
                result.set(pair.key, pair.value);
                return result;
            });
        },

        toQueryString: function() {
            return this.inject([], function(results, pair) {
                var key = encodeURIComponent(pair.key), values = pair.value;

                if (values && typeof values == 'object') {
                    if (Object.isArray(values))
                        return results.concat(values.map(toQueryPair.curry(key)));
                } else results.push(toQueryPair(key, values));
                return results;
            }).join('&');
        },

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

        toJSON: function() {
            return Object.toJSON(this.toObject());
        },

        clone: function() {
            return new Hash(this);
        }
    }
})());

Hash.prototype.toTemplateReplacements = Hash.prototype.toObject;
Hash.from = $H;
var ObjectRange = Class.create(Enumerable, {
    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 (Object.isFunction(responder[callback])) {
                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 = Class.create({
    initialize: function(options) {
        this.options = {
            method: 'post',
            asynchronous: true,
            contentType: 'application/x-www-form-urlencoded',
            encoding: 'UTF-8',
            parameters: '',
            evalJSON: true,
            evalJS: true
        };
        Object.extend(this.options, options || {});

        this.options.method = this.options.method.toLowerCase();

        if (Object.isString(this.options.parameters))
            this.options.parameters = this.options.parameters.toQueryParams();
        else if (Object.isHash(this.options.parameters))
            this.options.parameters = this.options.parameters.toObject();
    }
});

Ajax.Request = Class.create(Ajax.Base, {
    _complete: false,

    initialize: function($super, url, options) {
        $super(options);
        this.transport = Ajax.getTransport();
        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 = Object.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 {
            var response = new Ajax.Response(this);
            if (this.options.onCreate) this.options.onCreate(response);
            Ajax.Responders.dispatch('onCreate', this, response);

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

            if (this.options.asynchronous) this.respondToReadyState.bind(this).defer(1);

            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 (Object.isFunction(extras.push))
                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() {
        var status = this.getStatus();
        return !status || (status >= 200 && status < 300);
    },

    getStatus: function() {
        try {
            return this.transport.status || 0;
        } catch (e) { return 0 }
    },

    respondToReadyState: function(readyState) {
        var state = Ajax.Request.Events[readyState], response = new Ajax.Response(this);

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

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

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

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

    isSameOrigin: function() {
        var m = this.url.match(/^\s*https?:\/\/[^\/]*/);
        return !m || (m[0] == '#{protocol}//#{domain}#{port}'.interpolate({
            protocol: location.protocol,
            domain: document.domain,
            port: location.port ? ':' + location.port : ''
        }));
    },

    getHeader: function(name) {
        try {
            return this.transport.getResponseHeader(name) || 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.Request.Events =
 ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];

Ajax.Response = Class.create({
    initialize: function(request) {
        this.request = request;
        var transport = this.transport = request.transport,
 readyState = this.readyState = transport.readyState;

        if ((readyState > 2 && !Prototype.Browser.IE) || readyState == 4) {
            this.status = this.getStatus();
            this.statusText = this.getStatusText();
            this.responseText = String.interpret(transport.responseText);
            this.headerJSON = this._getHeaderJSON();
        }

        if (readyState == 4) {
            var xml = transport.responseXML;
            this.responseXML = Object.isUndefined(xml) ? null : xml;
            this.responseJSON = this._getResponseJSON();
        }
    },

    status: 0,
    statusText: '',

    getStatus: Ajax.Request.prototype.getStatus,

    getStatusText: function() {
        try {
            return this.transport.statusText || '';
        } catch (e) { return '' }
    },

    getHeader: Ajax.Request.prototype.getHeader,

    getAllHeaders: function() {
        try {
            return this.getAllResponseHeaders();
        } catch (e) { return null }
    },

    getResponseHeader: function(name) {
        return this.transport.getResponseHeader(name);
    },

    getAllResponseHeaders: function() {
        return this.transport.getAllResponseHeaders();
    },

    _getHeaderJSON: function() {
        var json = this.getHeader('X-JSON');
        if (!json) return null;
        json = decodeURIComponent(escape(json));
        try {
            return json.evalJSON(this.request.options.sanitizeJSON ||
 !this.request.isSameOrigin());
        } catch (e) {
            this.request.dispatchException(e);
        }
    },

    _getResponseJSON: function() {
        var options = this.request.options;
        if (!options.evalJSON || (options.evalJSON != 'force' &&
 !(this.getHeader('Content-type') || '').include('application/json')) ||
 this.responseText.blank())
            return null;
        try {
            return this.responseText.evalJSON(options.sanitizeJSON ||
 !this.request.isSameOrigin());
        } catch (e) {
            this.request.dispatchException(e);
        }
    }
});

Ajax.Updater = Class.create(Ajax.Request, {
    initialize: function($super, container, url, options) {
        this.container = {
            success: (container.success || container),
            failure: (container.failure || (container.success ? null : container))
        };

        options = Object.clone(options);
        var onComplete = options.onComplete;
        options.onComplete = (function(response, json) {
            this.updateContent(response.responseText);
            if (Object.isFunction(onComplete)) onComplete(response, json);
        }).bind(this);

        $super(url, options);
    },

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

        if (!options.evalScripts) responseText = responseText.stripScripts();

        if (receiver = $(receiver)) {
            if (options.insertion) {
                if (Object.isString(options.insertion)) {
                    var insertion = {}; insertion[options.insertion] = responseText;
                    receiver.insert(insertion);
                }
                else options.insertion(receiver, responseText);
            }
            else receiver.update(responseText);
        }
    }
});

Ajax.PeriodicalUpdater = Class.create(Ajax.Base, {
    initialize: function($super, container, url, options) {
        $super(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(response) {
        if (this.options.decay) {
            this.decay = (response.responseText == this.lastText ?
 this.decay * this.options.decay : 1);

            this.lastText = response.responseText;
        }
        this.timer = this.onTimerEvent.bind(this).delay(this.decay * this.frequency);
    },

    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 (Object.isString(element))
        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(Element.extend(query.snapshotItem(i)));
        return results;
    };
}

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

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

if (!Node.ELEMENT_NODE) {
    // DOM level 2 ECMAScript Language Binding
    Object.extend(Node, {
        ELEMENT_NODE: 1,
        ATTRIBUTE_NODE: 2,
        TEXT_NODE: 3,
        CDATA_SECTION_NODE: 4,
        ENTITY_REFERENCE_NODE: 5,
        ENTITY_NODE: 6,
        PROCESSING_INSTRUCTION_NODE: 7,
        COMMENT_NODE: 8,
        DOCUMENT_NODE: 9,
        DOCUMENT_TYPE_NODE: 10,
        DOCUMENT_FRAGMENT_NODE: 11,
        NOTATION_NODE: 12
    });
}

(function() {
    var element = this.Element;
    this.Element = function(tagName, attributes) {
        attributes = attributes || {};
        tagName = tagName.toLowerCase();
        var cache = Element.cache;
        if (Prototype.Browser.IE && attributes.name) {
            tagName = '<' + tagName + ' name="' + attributes.name + '">';
            delete attributes.name;
            return Element.writeAttribute(document.createElement(tagName), attributes);
        }
        if (!cache[tagName]) cache[tagName] = Element.extend(document.createElement(tagName));
        return Element.writeAttribute(cache[tagName].cloneNode(false), attributes);
    };
    Object.extend(this.Element, element || {});
    if (element) this.Element.prototype = element.prototype;
}).call(window);

Element.cache = {};

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 = $(element);
        element.style.display = 'none';
        return element;
    },

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

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

    update: function(element, content) {
        element = $(element);
        if (content && content.toElement) content = content.toElement();
        if (Object.isElement(content)) return element.update().insert(content);
        content = Object.toHTML(content);
        element.innerHTML = content.stripScripts();
        content.evalScripts.bind(content).defer();
        return element;
    },

    replace: function(element, content) {
        element = $(element);
        if (content && content.toElement) content = content.toElement();
        else if (!Object.isElement(content)) {
            content = Object.toHTML(content);
            var range = element.ownerDocument.createRange();
            range.selectNode(element);
            content.evalScripts.bind(content).defer();
            content = range.createContextualFragment(content.stripScripts());
        }
        element.parentNode.replaceChild(content, element);
        return element;
    },

    insert: function(element, insertions) {
        element = $(element);

        if (Object.isString(insertions) || Object.isNumber(insertions) ||
 Object.isElement(insertions) || (insertions && (insertions.toElement || insertions.toHTML)))
            insertions = { bottom: insertions };

        var content, insert, tagName, childNodes;

        for (var position in insertions) {
            content = insertions[position];
            position = position.toLowerCase();
            insert = Element._insertionTranslations[position];

            if (content && content.toElement) content = content.toElement();
            if (Object.isElement(content)) {
                insert(element, content);
                continue;
            }

            content = Object.toHTML(content);

            tagName = ((position == 'before' || position == 'after')
 ? element.parentNode : element).tagName.toUpperCase();

            childNodes = Element._getContentFromAnonymousElement(tagName, content.stripScripts());

            if (position == 'top' || position == 'after') childNodes.reverse();
            childNodes.each(insert.curry(element));

            content.evalScripts.bind(content).defer();
        }

        return element;
    },

    wrap: function(element, wrapper, attributes) {
        element = $(element);
        if (Object.isElement(wrapper))
            $(wrapper).writeAttribute(attributes || {});
        else if (Object.isString(wrapper)) wrapper = new Element(wrapper, attributes);
        else wrapper = new Element('div', wrapper);
        if (element.parentNode)
            element.parentNode.replaceChild(wrapper, element);
        wrapper.appendChild(element);
        return wrapper;
    },

    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 $(element).select("*");
    },

    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 (Object.isString(selector))
            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 Object.isNumber(expression) ? ancestors[expression] :
 Selector.findElement(ancestors, expression, index);
    },

    down: function(element, expression, index) {
        element = $(element);
        if (arguments.length == 1) return element.firstDescendant();
        return Object.isNumber(expression) ? element.descendants()[expression] :
 Element.select(element, expression)[index || 0];
    },

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

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

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

    adjacent: function() {
        var args = $A(arguments), element = $(args.shift());
        return Selector.findChildElements(element.parentNode, args).without(element);
    },

    identify: function(element) {
        element = $(element);
        var id = element.readAttribute('id'), self = arguments.callee;
        if (id) return id;
        do { id = 'anonymous_element_' + self.counter++ } while ($(id));
        element.writeAttribute('id', id);
        return id;
    },

    readAttribute: function(element, name) {
        element = $(element);
        if (Prototype.Browser.IE) {
            var t = Element._attributeTranslations.read;
            if (t.values[name]) return t.values[name](element, name);
            if (t.names[name]) name = t.names[name];
            if (name.include(':')) {
                return (!element.attributes || !element.attributes[name]) ? null :
 element.attributes[name].value;
            }
        }
        return element.getAttribute(name);
    },

    writeAttribute: function(element, name, value) {
        element = $(element);
        var attributes = {}, t = Element._attributeTranslations.write;

        if (typeof name == 'object') attributes = name;
        else attributes[name] = Object.isUndefined(value) ? true : value;

        for (var attr in attributes) {
            name = t.names[attr] || attr;
            value = attributes[attr];
            if (t.values[attr]) name = t.values[attr](element, value);
            if (value === false || value === null)
                element.removeAttribute(name);
            else if (value === true)
                element.setAttribute(name, name);
            else element.setAttribute(name, value);
        }
        return element;
    },

    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 = $(element))) return;
        var elementClassName = element.className;
        return (elementClassName.length > 0 && (elementClassName == className ||
 new RegExp("(^|\\s)" + className + "(\\s|$)").test(elementClassName)));
    },

    addClassName: function(element, className) {
        if (!(element = $(element))) return;
        if (!element.hasClassName(className))
            element.className += (element.className ? ' ' : '') + className;
        return element;
    },

    removeClassName: function(element, className) {
        if (!(element = $(element))) return;
        element.className = element.className.replace(
 new RegExp("(^|\\s+)" + className + "(\\s+|$)"), ' ').strip();
        return element;
    },

    toggleClassName: function(element, className) {
        if (!(element = $(element))) return;
        return element[element.hasClassName(className) ?
 'removeClassName' : 'addClassName'](className);
    },

    // 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);

        if (element.compareDocumentPosition)
            return (element.compareDocumentPosition(ancestor) & 8) === 8;

        if (ancestor.contains)
            return ancestor.contains(element) && ancestor !== element;

        while (element = element.parentNode)
            if (element == ancestor) return true;

        return false;
    },

    scrollTo: function(element) {
        element = $(element);
        var pos = element.cumulativeOffset();
        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 || value == 'auto') {
            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) {
        element = $(element);
        var elementStyle = element.style, match;
        if (Object.isString(styles)) {
            element.style.cssText += ';' + styles;
            return styles.include('opacity') ?
 element.setOpacity(styles.match(/opacity:\s*(\d?\.?\d*)/)[1]) : element;
        }
        for (var property in styles)
            if (property == 'opacity') element.setOpacity(styles[property]);
        else
            elementStyle[(property == 'float' || property == 'cssFloat') ?
 (Object.isUndefined(elementStyle.styleFloat) ? 'cssFloat' : 'styleFloat') :
 property] = 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 (Prototype.Browser.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.getStyle(element, 'overflow') || 'auto';
        if (element._overflow !== '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;
    },

    cumulativeOffset: function(element) {
        var valueT = 0, valueL = 0;
        do {
            valueT += element.offsetTop || 0;
            valueL += element.offsetLeft || 0;
            element = element.offsetParent;
        } while (element);
        return Element._returnOffset(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.toUpperCase() == 'BODY') break;
                var p = Element.getStyle(element, 'position');
                if (p !== 'static') break;
            }
        } while (element);
        return Element._returnOffset(valueL, valueT);
    },

    absolutize: function(element) {
        element = $(element);
        if (element.getStyle('position') == 'absolute') return element;
        // Position.prepare(); // To be done manually by Scripty when it needs it.

        var offsets = element.positionedOffset();
        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';
        return element;
    },

    relativize: function(element) {
        element = $(element);
        if (element.getStyle('position') == 'relative') return element;
        // Position.prepare(); // To be done manually by Scripty when it needs it.

        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;
        return element;
    },

    cumulativeScrollOffset: function(element) {
        var valueT = 0, valueL = 0;
        do {
            valueT += element.scrollTop || 0;
            valueL += element.scrollLeft || 0;
            element = element.parentNode;
        } while (element);
        return Element._returnOffset(valueL, valueT);
    },

    getOffsetParent: 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);
    },

    viewportOffset: 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 &&
 Element.getStyle(element, 'position') == 'absolute') break;

        } while (element = element.offsetParent);

        element = forElement;
        do {
            if (!Prototype.Browser.Opera || (element.tagName && (element.tagName.toUpperCase() == 'BODY'))) {
                valueT -= element.scrollTop || 0;
                valueL -= element.scrollLeft || 0;
            }
        } while (element = element.parentNode);

        return Element._returnOffset(valueL, valueT);
    },

    clonePosition: function(element, source) {
        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 = source.viewportOffset();

        // find coordinate system to use
        element = $(element);
        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(element, 'position') == 'absolute') {
            parent = element.getOffsetParent();
            delta = parent.viewportOffset();
        }

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

Element.Methods.identify.counter = 1;

Object.extend(Element.Methods, {
    getElementsBySelector: Element.Methods.select,
    childElements: Element.Methods.immediateDescendants
});

Element._attributeTranslations = {
    write: {
        names: {
            className: 'class',
            htmlFor: 'for'
        },
        values: {}
    }
};

if (Prototype.Browser.Opera) {
    Element.Methods.getStyle = Element.Methods.getStyle.wrap(
 function(proceed, element, style) {
     switch (style) {
         case 'left': case 'top': case 'right': case 'bottom':
             if (proceed(element, 'position') === 'static') return null;
         case 'height': case 'width':
             // returns '0px' for hidden elements; we want it to return null
             if (!Element.visible(element)) return null;

             // returns the border-box dimensions rather than the content-box
             // dimensions, so we subtract padding and borders from the value
             var dim = parseInt(proceed(element, style), 10);

             if (dim !== element['offset' + style.capitalize()])
                 return dim + 'px';

             var properties;
             if (style === 'height') {
                 properties = ['border-top-width', 'padding-top',
 'padding-bottom', 'border-bottom-width'];
             }
             else {
                 properties = ['border-left-width', 'padding-left',
 'padding-right', 'border-right-width'];
             }
             return properties.inject(dim, function(memo, property) {
                 var val = proceed(element, property);
                 return val === null ? memo : memo - parseInt(val, 10);
             }) + 'px';
         default: return proceed(element, style);
     }
 }
 );

    Element.Methods.readAttribute = Element.Methods.readAttribute.wrap(
 function(proceed, element, attribute) {
     if (attribute === 'title') return element.title;
     return proceed(element, attribute);
 }
 );
}

else if (Prototype.Browser.IE) {
    // IE doesn't report offsets correctly for static elements, so we change them
    // to "relative" to get the values, then change them back.
    Element.Methods.getOffsetParent = Element.Methods.getOffsetParent.wrap(
 function(proceed, element) {
     element = $(element);
     // IE throws an error if element is not in document
     try { element.offsetParent }
     catch (e) { return $(document.body) }
     var position = element.getStyle('position');
     if (position !== 'static') return proceed(element);
     element.setStyle({ position: 'relative' });
     var value = proceed(element);
     element.setStyle({ position: position });
     return value;
 }
 );

    $w('positionedOffset viewportOffset').each(function(method) {
        Element.Methods[method] = Element.Methods[method].wrap(
 function(proceed, element) {
     element = $(element);
     try { element.offsetParent }
     catch (e) { return Element._returnOffset(0, 0) }
     var position = element.getStyle('position');
     if (position !== 'static') return proceed(element);
     // Trigger hasLayout on the offset parent so that IE6 reports
     // accurate offsetTop and offsetLeft values for position: fixed.
     var offsetParent = element.getOffsetParent();
     if (offsetParent && offsetParent.getStyle('position') === 'fixed')
         offsetParent.setStyle({ zoom: 1 });
     element.setStyle({ position: 'relative' });
     var value = proceed(element);
     element.setStyle({ position: position });
     return value;
 }
 );
    });

    Element.Methods.cumulativeOffset = Element.Methods.cumulativeOffset.wrap(
 function(proceed, element) {
     try { element.offsetParent }
     catch (e) { return Element._returnOffset(0, 0) }
     return proceed(element);
 }
 );

    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) {
        function stripAlpha(filter) {
            return filter.replace(/alpha\([^\)]*\)/gi, '');
        }
        element = $(element);
        var currentStyle = element.currentStyle;
        if ((currentStyle && !currentStyle.hasLayout) ||
 (!currentStyle && element.style.zoom == 'normal'))
            element.style.zoom = 1;

        var filter = element.getStyle('filter'), style = element.style;
        if (value == 1 || value === '') {
            (filter = stripAlpha(filter)) ?
 style.filter = filter : style.removeAttribute('filter');
            return element;
        } else if (value < 0.00001) value = 0;
        style.filter = stripAlpha(filter) +
 'alpha(opacity=' + (value * 100) + ')';
        return element;
    };

    Element._attributeTranslations = {
        read: {
            names: {
                'class': 'className',
                'for': 'htmlFor'
            },
            values: {
                _getAttr: function(element, attribute) {
                    return element.getAttribute(attribute, 2);
                },
                _getAttrNode: function(element, attribute) {
                    var node = element.getAttributeNode(attribute);
                    return node ? node.value : "";
                },
                _getEv: function(element, attribute) {
                    attribute = element.getAttribute(attribute);
                    return attribute ? attribute.toString().slice(23, -2) : null;
                },
                _flag: function(element, attribute) {
                    return $(element).hasAttribute(attribute) ? attribute : null;
                },
                style: function(element) {
                    return element.style.cssText.toLowerCase();
                },
                title: function(element) {
                    return element.title;
                }
            }
        }
    };

    Element._attributeTranslations.write = {
        names: Object.extend({
            cellpadding: 'cellPadding',
            cellspacing: 'cellSpacing'
        }, Element._attributeTranslations.read.names),
        values: {
            checked: function(element, value) {
                element.checked = !!value;
            },

            style: function(element, value) {
                element.style.cssText = value ? value : '';
            }
        }
    };

    Element._attributeTranslations.has = {};

    $w('colSpan rowSpan vAlign dateTime accessKey tabIndex ' +
 'encType maxLength readOnly longDesc frameBorder').each(function(attr) {
     Element._attributeTranslations.write.names[attr.toLowerCase()] = attr;
     Element._attributeTranslations.has[attr.toLowerCase()] = attr;
 });

    (function(v) {
        Object.extend(v, {
            href: v._getAttr,
            src: v._getAttr,
            type: v._getAttr,
            action: v._getAttrNode,
            disabled: v._flag,
            checked: v._flag,
            readonly: v._flag,
            multiple: v._flag,
            onload: v._getEv,
            onunload: v._getEv,
            onclick: v._getEv,
            ondblclick: v._getEv,
            onmousedown: v._getEv,
            onmouseup: v._getEv,
            onmouseover: v._getEv,
            onmousemove: v._getEv,
            onmouseout: v._getEv,
            onfocus: v._getEv,
            onblur: v._getEv,
            onkeypress: v._getEv,
            onkeydown: v._getEv,
            onkeyup: v._getEv,
            onsubmit: v._getEv,
            onreset: v._getEv,
            onselect: v._getEv,
            onchange: v._getEv
        });
    })(Element._attributeTranslations.read.values);
}

else if (Prototype.Browser.Gecko && /rv:1\.8\.0/.test(navigator.userAgent)) {
    Element.Methods.setOpacity = function(element, value) {
        element = $(element);
        element.style.opacity = (value == 1) ? 0.999999 :
 (value === '') ? '' : (value < 0.00001) ? 0 : value;
        return element;
    };
}

else if (Prototype.Browser.WebKit) {
    Element.Methods.setOpacity = function(element, value) {
        element = $(element);
        element.style.opacity = (value == 1 || value === '') ? '' :
 (value < 0.00001) ? 0 : value;

        if (value == 1)
            if (element.tagName.toUpperCase() == 'IMG' && element.width) {
            element.width++; element.width--;
        } else try {
            var n = document.createTextNode(' ');
            element.appendChild(n);
            element.removeChild(n);
        } catch (e) { }

        return element;
    };

    // Safari returns margins on body which is incorrect if the child is absolutely
    // positioned. For performance reasons, redefine Element#cumulativeOffset for
    // KHTML/WebKit only.
    Element.Methods.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 Element._returnOffset(valueL, valueT);
    };
}

if (Prototype.Browser.IE || Prototype.Browser.Opera) {
    // IE and Opera are missing .innerHTML support for TABLE-related and SELECT elements
    Element.Methods.update = function(element, content) {
        element = $(element);

        if (content && content.toElement) content = content.toElement();
        if (Object.isElement(content)) return element.update().insert(content);

        content = Object.toHTML(content);
        var tagName = element.tagName.toUpperCase();

        if (tagName in Element._insertionTranslations.tags) {
            $A(element.childNodes).each(function(node) { element.removeChild(node) });
            Element._getContentFromAnonymousElement(tagName, content.stripScripts())
 .each(function(node) { element.appendChild(node) });
        }
        else element.innerHTML = content.stripScripts();

        content.evalScripts.bind(content).defer();
        return element;
    };
}

if ('outerHTML' in document.createElement('div')) {
    Element.Methods.replace = function(element, content) {
        element = $(element);

        if (content && content.toElement) content = content.toElement();
        if (Object.isElement(content)) {
            element.parentNode.replaceChild(content, element);
            return element;
        }

        content = Object.toHTML(content);
        var parent = element.parentNode, tagName = parent.tagName.toUpperCase();

        if (Element._insertionTranslations.tags[tagName]) {
            var nextSibling = element.next();
            var fragments = Element._getContentFromAnonymousElement(tagName, content.stripScripts());
            parent.removeChild(element);
            if (nextSibling)
                fragments.each(function(node) { parent.insertBefore(node, nextSibling) });
            else
                fragments.each(function(node) { parent.appendChild(node) });
        }
        else element.outerHTML = content.stripScripts();

        content.evalScripts.bind(content).defer();
        return element;
    };
}

Element._returnOffset = function(l, t) {
    var result = [l, t];
    result.left = l;
    result.top = t;
    return result;
};

Element._getContentFromAnonymousElement = function(tagName, html) {
    var div = new Element('div'), t = Element._insertionTranslations.tags[tagName];
    if (t) {
        div.innerHTML = t[0] + html + t[1];
        t[2].times(function() { div = div.firstChild });
    } else div.innerHTML = html;
    return $A(div.childNodes);
};

Element._insertionTranslations = {
    before: function(element, node) {
        element.parentNode.insertBefore(node, element);
    },
    top: function(element, node) {
        element.insertBefore(node, element.firstChild);
    },
    bottom: function(element, node) {
        element.appendChild(node);
    },
    after: function(element, node) {
        element.parentNode.insertBefore(node, element.nextSibling);
    },
    tags: {
        TABLE: ['<table>', '</table>', 1],
        TBODY: ['<table><tbody>', '</tbody></table>', 2],
        TR: ['<table><tbody><tr>', '</tr></tbody></table>', 3],
        TD: ['<table><tbody><tr><td>', '</td></tr></tbody></table>', 4],
        SELECT: ['<select>', '</select>', 1]
    }
};

(function() {
    Object.extend(this.tags, {
        THEAD: this.tags.TBODY,
        TFOOT: this.tags.TBODY,
        TH: this.tags.TD
    });
}).call(Element._insertionTranslations);

Element.Methods.Simulated = {
    hasAttribute: function(element, attribute) {
        attribute = Element._attributeTranslations.has[attribute] || attribute;
        var 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.extend = (function() {
    if (Prototype.BrowserFeatures.SpecificElementExtensions)
        return Prototype.K;

    var Methods = {}, ByTag = Element.Methods.ByTag;

    var extend = Object.extend(function(element) {
        if (!element || element._extendedByPrototype ||
 element.nodeType != 1 || element == window) return element;

        var methods = Object.clone(Methods),
 tagName = element.tagName.toUpperCase(), property, value;

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

        for (property in methods) {
            value = methods[property];
            if (Object.isFunction(value) && !(property in element))
                element[property] = value.methodize();
        }

        element._extendedByPrototype = Prototype.emptyFunction;
        return element;

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

    extend.refresh();
    return extend;
})();

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 (Object.isArray(tagName)) 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;
        for (var property in methods) {
            var value = methods[property];
            if (!Object.isFunction(value)) continue;
            if (!onlyIfAbsent || !(property in destination))
                destination[property] = value.methodize();
        }
    }

    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 (Object.isUndefined(klass)) continue;
            copy(T[tag], klass.prototype);
        }
    }

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

    if (Element.extend.refresh) Element.extend.refresh();
    Element.cache = {};
};

document.viewport = {
    getDimensions: function() {
        var dimensions = {}, B = Prototype.Browser;
        $w('width height').each(function(d) {
            var D = d.capitalize();
            if (B.WebKit && !document.evaluate) {
                // Safari <3.0 needs self.innerWidth/Height
                dimensions[d] = self['inner' + D];
            } else if (B.Opera && parseFloat(window.opera.version()) < 9.5) {
                // Opera <9.5 needs document.body.clientWidth/Height
                dimensions[d] = document.body['client' + D]
            } else {
                dimensions[d] = document.documentElement['client' + D];
            }
        });
        return dimensions;
    },

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

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

    getScrollOffsets: function() {
        return Element._returnOffset(
 window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft,
 window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop);
    }
};
/* 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({
    initialize: function(expression) {
        this.expression = expression.strip();

        if (this.shouldUseSelectorsAPI()) {
            this.mode = 'selectorsAPI';
        } else if (this.shouldUseXPath()) {
            this.mode = 'xpath';
            this.compileXPathMatcher();
        } else {
            this.mode = "normal";
            this.compileMatcher();
        }

    },

    shouldUseXPath: function() {
        if (!Prototype.BrowserFeatures.XPath) return false;

        var e = this.expression;

        // Safari 3 chokes on :*-of-type and :empty
        if (Prototype.Browser.WebKit &&
 (e.include("-of-type") || e.include(":empty")))
            return false;

        // XPath can't do namespaced attributes, nor can it read
        // the "checked" property from DOM nodes
        if ((/(\[[\w-]*?:|:checked)/).test(e))
            return false;

        return true;
    },

    shouldUseSelectorsAPI: function() {
        if (!Prototype.BrowserFeatures.SelectorsAPI) return false;

        if (!Selector._div) Selector._div = new Element('div');

        // Make sure the browser treats the selector as valid. Test on an
        // isolated element to minimize cost of this check.
        try {
            Selector._div.querySelector(this.expression);
        } catch (e) {
            return false;
        }

        return true;
    },

    compileMatcher: function() {
        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(Object.isFunction(c[i]) ? 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(Object.isFunction(x[i]) ? 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;
        var e = this.expression, results;

        switch (this.mode) {
            case 'selectorsAPI':
                // querySelectorAll queries document-wide, then filters to descendants
                // of the context element. That's not what we want.
                // Add an explicit context to the selector if necessary.
                if (root !== document) {
                    var oldId = root.id, id = $(root).identify();
                    e = "#" + id + " " + e;
                }

                results = $A(root.querySelectorAll(e)).map(Element.extend);
                root.id = oldId;

                return results;
            case 'xpath':
                return document._getElementsByXPath(this.xpath, root);
            default:
                return this.matcher(root);
        }
    },

    match: function(element) {
        this.tokens = [];

        var e = this.expression, ps = Selector.patterns, as = Selector.assertions;
        var le, p, m;

        while (e && le !== e && (/\S/).test(e)) {
            le = e;
            for (var i in ps) {
                p = ps[i];
                if (m = e.match(p)) {
                    // use the Selector.assertions methods unless the selector
                    // is too complex.
                    if (as[i]) {
                        this.tokens.push([i, Object.clone(m)]);
                        e = e.replace(m[0], '');
                    } else {
                        // reluctantly do a document-wide search
                        // and look for a match in the array
                        return this.findElements(document).include(element);
                    }
                }
            }
        }

        var match = true, name, matches;
        for (var i = 0, token; token = this.tokens[i]; i++) {
            name = token[0], matches = token[1];
            if (!Selector.assertions[name](element, matches)) {
                match = false; break;
            }
        }

        return match;
    },

    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: function(m) {
            m[1] = m[1].toLowerCase();
            return new Template("[@#{1}]").evaluate(m);
        },
        attr: function(m) {
            m[1] = m[1].toLowerCase();
            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 (Object.isFunction(h)) 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)]",
            'checked': "[@checked]",
            'disabled': "[(@disabled) and (@type!='hidden')]",
            'enabled': "[not(@disabled) and (@type!='hidden')]",
            'not': function(m) {
                var e = m[6], p = Selector.patterns,
 x = Selector.xpath, le, v;

                var exclusion = [];
                while (e && le != e && (/\S/).test(e)) {
                    le = e;
                    for (var i in p) {
                        if (m = e.match(p[i])) {
                            v = Object.isFunction(x[i]) ? 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); c = false;',
        attr: function(m) {
            m[3] = (m[5] || m[6]);
            return new Template('n = h.attr(n, r, "#{1}", "#{3}", "#{2}", c); 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: /^\[((?:[\w]+:)?[\w]+)\]/,
        attr: /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\4]*?)\4|([^'"][^\]]*?)))?\]/
    },

    // for Selector.match and Element#match
    assertions: {
        tagName: function(element, matches) {
            return matches[1].toUpperCase() == element.tagName.toUpperCase();
        },

        className: function(element, matches) {
            return Element.hasClassName(element, matches[1]);
        },

        id: function(element, matches) {
            return element.id === matches[1];
        },

        attrPresence: function(element, matches) {
            return Element.hasAttribute(element, matches[1]);
        },

        attr: function(element, matches) {
            var nodeValue = Element.readAttribute(element, matches[1]);
            return nodeValue && Selector.operators[matches[2]](nodeValue, matches[5] || matches[6]);
        }
    },

    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) {
            var _true = Prototype.emptyFunction;
            for (var i = 0, node; node = nodes[i]; i++)
                node._countedByPrototype = _true;
            return nodes;
        },

        unmark: function(nodes) {
            for (var i = 0, node; node = nodes[i]; i++)
                node._countedByPrototype = 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._countedByPrototype = Prototype.emptyFunction;
            if (reverse) {
                for (var nodes = parentNode.childNodes, i = nodes.length - 1, j = 1; i >= 0; i--) {
                    var node = nodes[i];
                    if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex = j++;
                }
            } else {
                for (var i = 0, j = 1, nodes = parentNode.childNodes; node = nodes[i]; i++)
                    if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) 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])._countedByPrototype) {
                n._countedByPrototype = Prototype.emptyFunction;
                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, 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) {
            var uTagName = 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() === uTagName) results.push(node);
                return results;
            } else return root.getElementsByTagName(tagName);
        },

        id: function(nodes, root, id, combinator) {
            var targetNode = $(id), h = Selector.handlers;
            if (!targetNode) return [];
            if (!nodes && root == document) return [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, combinator) {
            if (!nodes) nodes = root.getElementsByTagName("*");
            if (nodes && combinator) nodes = this[combinator](nodes);
            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, combinator) {
            if (!nodes) nodes = root.getElementsByTagName("*");
            if (nodes && combinator) nodes = this[combinator](nodes);
            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._countedByPrototype) {
                    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) 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._countedByPrototype) 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 && (!node.type || node.type !== 'hidden'))
                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 == v || nv && nv.startsWith(v); },
        '$=': function(nv, v) { return nv == v || nv && nv.endsWith(v); },
        '*=': function(nv, v) { return nv == v || nv && nv.include(v); },
        '$=': 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() + '-');
        }
    },

    split: function(expression) {
        var expressions = [];
        expression.scan(/(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/, function(m) {
            expressions.push(m[1].strip());
        });
        return expressions;
    },

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

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

    findChildElements: function(element, expressions) {
        expressions = Selector.split(expressions.join(','));
        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;
    }
});

if (Prototype.Browser.IE) {
    Object.extend(Selector.handlers, {
        // IE returns comment nodes on getElementsByTagName("*").
        // Filter them out.
        concat: function(a, b) {
            for (var i = 0, node; node = b[i]; i++)
                if (node.tagName !== "!") a.push(node);
            return a;
        },

        // IE improperly serializes _countedByPrototype in (inner|outer)HTML.
        unmark: function(nodes) {
            for (var i = 0, node; node = nodes[i]; i++)
                node.removeAttribute('_countedByPrototype');
            return nodes;
        }
    });
}

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

    serializeElements: function(elements, options) {
        if (typeof options != 'object') options = { hash: !!options };
        else if (Object.isUndefined(options.hash)) options.hash = true;
        var key, value, submitted = false, submit = options.submit;

        var data = elements.inject({}, function(result, element) {
            if (!element.disabled && element.name) {
                key = element.name; value = $(element).getValue();
                if (value != null && element.type != 'file' && (element.type != 'submit' || (!submitted &&
 submit !== false && (!submit || key == submit) && (submitted = true)))) {
                    if (key in result) {
                        // a key is already present; construct an array of values
                        if (!Object.isArray(result[key])) result[key] = [result[key]];
                        result[key].push(value);
                    }
                    else result[key] = value;
                }
            }
            return result;
        });

        return options.hash ? data : Object.toQueryString(data);
    }
};

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

    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) {
        var elements = $(form).getElements().findAll(function(element) {
            return 'hidden' != element.type && !element.disabled;
        });
        var firstByIndex = elements.findAll(function(element) {
            return element.hasAttribute('tabIndex') && element.tabIndex >= 0;
        }).sortBy(function(element) { return element.tabIndex }).first();

        return firstByIndex ? firstByIndex : elements.find(function(element) {
            return ['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, action = form.readAttribute('action') || '';
        if (action.blank()) action = window.location.href;
        options.parameters = form.serialize(true);

        if (params) {
            if (Object.isString(params)) params = params.toQueryParams();
            Object.extend(options.parameters, params);
        }

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

        return new Ajax.Request(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 Object.toQueryString(pair);
            }
        }
        return '';
    },

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

    setValue: function(element, value) {
        element = $(element);
        var method = element.tagName.toLowerCase();
        Form.Element.Serializers[method](element, value);
        return 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.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, value) {
        switch (element.type.toLowerCase()) {
            case 'checkbox':
            case 'radio':
                return Form.Element.Serializers.inputSelector(element, value);
            default:
                return Form.Element.Serializers.textarea(element, value);
        }
    },

    inputSelector: function(element, value) {
        if (Object.isUndefined(value)) return element.checked ? element.value : null;
        else element.checked = !!value;
    },

    textarea: function(element, value) {
        if (Object.isUndefined(value)) return element.value;
        else element.value = value;
    },

    select: function(element, value) {
        if (Object.isUndefined(value))
            return this[element.type == 'select-one' ?
 'selectOne' : 'selectMany'](element);
        else {
            var opt, currentValue, single = !Object.isArray(value);
            for (var i = 0, length = element.length; i < length; i++) {
                opt = element.options[i];
                currentValue = this.optionValue(opt);
                if (single) {
                    if (currentValue == value) {
                        opt.selected = true;
                        return;
                    }
                }
                else opt.selected = value.include(currentValue);
            }
        }
    },

    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 = Class.create(PeriodicalExecuter, {
    initialize: function($super, element, frequency, callback) {
        $super(callback, frequency);
        this.element = $(element);
        this.lastValue = this.getValue();
    },

    execute: function() {
        var value = this.getValue();
        if (Object.isString(this.lastValue) && Object.isString(value) ?
 this.lastValue != value : String(this.lastValue) != String(value)) {
            this.callback(this.element, value);
            this.lastValue = value;
        }
    }
});

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

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

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

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

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

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,
    KEY_INSERT: 45,

    cache: {},

    relatedTarget: function(event) {
        var element;
        switch (event.type) {
            case 'mouseover': element = event.fromElement; break;
            case 'mouseout': element = event.toElement; break;
            default: return null;
        }
        return Element.extend(element);
    }
});

Event.Methods = (function() {
    var isButton;

    if (Prototype.Browser.IE) {
        var buttonMap = { 0: 1, 1: 4, 2: 2 };
        isButton = function(event, code) {
            return event.button == buttonMap[code];
        };

    } else if (Prototype.Browser.WebKit) {
        isButton = function(event, code) {
            switch (code) {
                case 0: return event.which == 1 && !event.metaKey;
                case 1: return event.which == 1 && event.metaKey;
                default: return false;
            }
        };

    } else {
        isButton = function(event, code) {
            return event.which ? (event.which === code + 1) : (event.button === code);
        };
    }

    return {
        isLeftClick: function(event) { return isButton(event, 0) },
        isMiddleClick: function(event) { return isButton(event, 1) },
        isRightClick: function(event) { return isButton(event, 2) },

        element: function(event) {
            event = Event.extend(event);

            var node = event.target,
 type = event.type,
 currentTarget = event.currentTarget;

            if (currentTarget && currentTarget.tagName) {
                // Firefox screws up the "click" event when moving between radio buttons
                // via arrow keys. It also screws up the "load" and "error" events on images,
                // reporting the document as the target instead of the original image.
                if (type === 'load' || type === 'error' ||
 (type === 'click' && currentTarget.tagName.toLowerCase() === 'input'
 && currentTarget.type === 'radio'))
                    node = currentTarget;
            }
            if (node) {
                if (node.nodeType == Node.TEXT_NODE) node = node.parentNode;
                return Element.extend(node);
            } else return false;
        },

        findElement: function(event, expression) {
            var element = Event.element(event);
            if (!expression) return element;
            var elements = [element].concat(element.ancestors());
            return Selector.findElement(elements, expression, 0);
        },

        pointer: function(event) {
            var docElement = document.documentElement,
 body = document.body || { scrollLeft: 0, scrollTop: 0 };
            return {
                x: event.pageX || (event.clientX +
 (docElement.scrollLeft || body.scrollLeft) -
 (docElement.clientLeft || 0)),
                y: event.pageY || (event.clientY +
 (docElement.scrollTop || body.scrollTop) -
 (docElement.clientTop || 0))
            };
        },

        pointerX: function(event) { return Event.pointer(event).x },
        pointerY: function(event) { return Event.pointer(event).y },

        stop: function(event) {
            Event.extend(event);
            event.preventDefault();
            event.stopPropagation();
            event.stopped = true;
        }
    };
})();

Event.extend = (function() {
    var methods = Object.keys(Event.Methods).inject({}, function(m, name) {
        m[name] = Event.Methods[name].methodize();
        return m;
    });

    if (Prototype.Browser.IE) {
        Object.extend(methods, {
            stopPropagation: function() { this.cancelBubble = true },
            preventDefault: function() { this.returnValue = false },
            inspect: function() { return "[object Event]" }
        });

        return function(event) {
            if (!event) return false;
            if (event._extendedByPrototype) return event;

            event._extendedByPrototype = Prototype.emptyFunction;
            var pointer = Event.pointer(event);
            Object.extend(event, {
                target: event.srcElement,
                relatedTarget: Event.relatedTarget(event),
                pageX: pointer.x,
                pageY: pointer.y
            });
            return Object.extend(event, methods);
        };

    } else {
        Event.prototype = Event.prototype || document.createEvent("HTMLEvents")['__proto__'];
        Object.extend(Event.prototype, methods);
        return Prototype.K;
    }
})();

Object.extend(Event, (function() {
    var cache = Event.cache;

    function getEventID(element) {
        try {
            if (element._prototypeEventID) return element._prototypeEventID[0];
            arguments.callee.id = arguments.callee.id || 1;
            return element._prototypeEventID = [++arguments.callee.id];
        } catch (error) {
            return false;
        }
    }

    function getDOMEventName(eventName) {
        if (eventName && eventName.include(':')) return "dataavailable";
        return eventName;
    }

    function getCacheForID(id) {
        return cache[id] = cache[id] || {};
    }

    function getWrappersForEventName(id, eventName) {
        var c = getCacheForID(id);
        return c[eventName] = c[eventName] || [];
    }

    function createWrapper(element, eventName, handler) {
        var id = getEventID(element);
        var c = getWrappersForEventName(id, eventName);
        if (c.pluck("handler").include(handler)) return false;

        var wrapper = function(event) {
            if (!Event || !Event.extend ||
 (event.eventName && event.eventName != eventName))
                return false;

            Event.extend(event);
            handler.call(element, event);
        };

        wrapper.handler = handler;
        c.push(wrapper);
        return wrapper;
    }

    function findWrapper(id, eventName, handler) {
        var c = getWrappersForEventName(id, eventName);
        return c.find(function(wrapper) { return wrapper.handler == handler });
    }

    function destroyWrapper(id, eventName, handler) {
        var c = getCacheForID(id);
        if (!c[eventName]) return false;
        c[eventName] = c[eventName].without(findWrapper(id, eventName, handler));
    }

    function destroyCache() {
        for (var id in cache)
            for (var eventName in cache[id])
            cache[id][eventName] = null;
    }


    // Internet Explorer needs to remove event handlers on page unload
    // in order to avoid memory leaks.
    if (window.attachEvent) {
        window.attachEvent("onunload", destroyCache);
    }

    // Safari has a dummy event handler on page unload so that it won't
    // use its bfcache. Safari <= 3.1 has an issue with restoring the "document"
    // object when page is returned to via the back button using its bfcache.
    if (Prototype.Browser.WebKit) {
        window.addEventListener('unload', Prototype.emptyFunction, false);
    }

    return {
        observe: function(element, eventName, handler) {
            element = $(element);
            var name = getDOMEventName(eventName);

            var wrapper = createWrapper(element, eventName, handler);
            if (!wrapper) return element;

            if (element.addEventListener) {
                element.addEventListener(name, wrapper, false);
            } else {
                element.attachEvent("on" + name, wrapper);
            }

            return element;
        },

        stopObserving: function(element, eventName, handler) {
            element = $(element);
            var id = getEventID(element), name = getDOMEventName(eventName);

            if (!handler && eventName) {
                getWrappersForEventName(id, eventName).each(function(wrapper) {
                    element.stopObserving(eventName, wrapper.handler);
                });
                return element;

            } else if (!eventName) {
                Object.keys(getCacheForID(id)).each(function(eventName) {
                    element.stopObserving(eventName);
                });
                return element;
            }

            var wrapper = findWrapper(id, eventName, handler);
            if (!wrapper) return element;

            if (element.removeEventListener) {
                element.removeEventListener(name, wrapper, false);
            } else {
                element.detachEvent("on" + name, wrapper);
            }

            destroyWrapper(id, eventName, handler);

            return element;
        },

        fire: function(element, eventName, memo) {
            element = $(element);
            if (element == document && document.createEvent && !element.dispatchEvent)
                element = document.documentElement;

            var event;
            if (document.createEvent) {
                event = document.createEvent("HTMLEvents");
                event.initEvent("dataavailable", true, true);
            } else {
                event = document.createEventObject();
                event.eventType = "ondataavailable";
            }

            event.eventName = eventName;
            event.memo = memo || {};

            if (document.createEvent) {
                element.dispatchEvent(event);
            } else {
                element.fireEvent(event.eventType, event);
            }

            return Event.extend(event);
        }
    };
})());

Object.extend(Event, Event.Methods);

Element.addMethods({
    fire: Event.fire,
    observe: Event.observe,
    stopObserving: Event.stopObserving
});

Object.extend(document, {
    fire: Element.Methods.fire.methodize(),
    observe: Element.Methods.observe.methodize(),
    stopObserving: Element.Methods.stopObserving.methodize(),
    loaded: false
});

(function() {
    /* Support for the DOMContentLoaded event is based on work by Dan Webb,
    Matthias Miller, Dean Edwards and John Resig. */

    var timer;

    function fireContentLoadedEvent() {
        if (document.loaded) return;
        if (timer) window.clearInterval(timer);
        document.fire("dom:loaded");
        document.loaded = true;
    }

    if (document.addEventListener) {
        if (Prototype.Browser.WebKit) {
            timer = window.setInterval(function() {
                if (/loaded|complete/.test(document.readyState))
                    fireContentLoadedEvent();
            }, 0);

            Event.observe(window, "load", fireContentLoadedEvent);

        } else {
            document.addEventListener("DOMContentLoaded",
 fireContentLoadedEvent, false);
        }

    } else {
        document.write("<script id=__onDOMContentLoaded defer src=//:><\/script>");
        $("__onDOMContentLoaded").onreadystatechange = function() {
            if (this.readyState == "complete") {
                this.onreadystatechange = null;
                fireContentLoadedEvent();
            }
        };
    }
})();
/*------------------------------- DEPRECATED -------------------------------*/

Hash.toQueryString = Object.toQueryString;

var Toggle = { display: Element.toggle };

Element.Methods.childOf = Element.Methods.descendantOf;

var Insertion = {
    Before: function(element, content) {
        return Element.insert(element, { before: content });
    },

    Top: function(element, content) {
        return Element.insert(element, { top: content });
    },

    Bottom: function(element, content) {
        return Element.insert(element, { bottom: content });
    },

    After: function(element, content) {
        return Element.insert(element, { after: content });
    }
};

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

// This should be moved to script.aculo.us; notice the deprecated methods
// further below, that map to the newer Element methods.
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;
    },

    // 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 = Element.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 = Element.cumulativeScrollOffset(element);

        this.xcomp = x + offsetcache[0] - this.deltaX;
        this.ycomp = y + offsetcache[1] - this.deltaY;
        this.offset = Element.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;
    },

    // Deprecation layer -- use newer Element methods now (1.5.2).

    cumulativeOffset: Element.Methods.cumulativeOffset,

    positionedOffset: Element.Methods.positionedOffset,

    absolutize: function(element) {
        Position.prepare();
        return Element.absolutize(element);
    },

    relativize: function(element) {
        Position.prepare();
        return Element.relativize(element);
    },

    realOffset: Element.Methods.cumulativeScrollOffset,

    offsetParent: Element.Methods.getOffsetParent,

    page: Element.Methods.viewportOffset,

    clone: function(source, target, options) {
        options = options || {};
        return Element.clonePosition(target, source, options);
    }
};

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

if (!document.getElementsByClassName) document.getElementsByClassName = function(instanceMethods) {
    function iter(name) {
        return name.blank() ? null : "[contains(concat(' ', @class, ' '), ' " + name + " ')]";
    }

    instanceMethods.getElementsByClassName = Prototype.BrowserFeatures.XPath ?
 function(element, className) {
     className = className.toString().strip();
     var cond = /\s/.test(className) ? $w(className).map(iter).join('') : iter(className);
     return cond ? document._getElementsByXPath('.//*' + cond, element) : [];
 } : function(element, className) {
     className = className.toString().strip();
     var elements = [], classNames = (/\s/.test(className) ? $w(className) : null);
     if (!classNames && !className) return elements;

     var nodes = $(element).getElementsByTagName('*');
     className = ' ' + className + ' ';

     for (var i = 0, child, cn; child = nodes[i]; i++) {
         if (child.className && (cn = ' ' + child.className + ' ') && (cn.include(className) ||
 (classNames && classNames.all(function(name) {
     return !name.toString().blank() && cn.include(' ' + name + ' ');
 }))))
             elements.push(Element.extend(child));
     }
     return elements;
 };

    return function(className, parentElement) {
        return $(parentElement || document.body).getElementsByClassName(className);
    };
} (Element.Methods);

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

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);

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

Element.addMethods();
/*
* Really easy field validation with Prototype
* http://tetlaw.id.au/view/javascript/really-easy-field-validation
* Andrew Tetlaw
* Version 1.5.4.1 (2007-01-05)
*
* Copyright (c) 2007 Andrew Tetlaw
* 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.
*
*/
var Validator = Class.create();

Validator.prototype = {
    initialize: function(className, error, test, options) {
        if (typeof test == 'function') {
            this.options = $H(options);
            this._test = test;
        } else {
            this.options = $H(test);
            this._test = function() { return true };
        }
        this.error = error || 'Validation failed.';
        this.className = className;
    },
    test: function(v, elm) {
        return (this._test(v, elm) && this.options.all(function(p) {
            return Validator.methods[p.key] ? Validator.methods[p.key](v, elm, p.value) : true;
        }));
    }
}
Validator.methods = {
    pattern: function(v, elm, opt) { return Validation.get('IsEmpty').test(v) || opt.test(v) },
    minLength: function(v, elm, opt) { return v.length >= opt },
    maxLength: function(v, elm, opt) { return v.length <= opt },
    min: function(v, elm, opt) { return v >= parseFloat(opt) },
    max: function(v, elm, opt) { return v <= parseFloat(opt) },
    notOneOf: function(v, elm, opt) {
        return $A(opt).all(function(value) {
            return v != value;
        })
    },
    oneOf: function(v, elm, opt) {
        return $A(opt).any(function(value) {
            return v == value;
        })
    },
    is: function(v, elm, opt) { return v == opt },
    isNot: function(v, elm, opt) { return v != opt },
    equalToField: function(v, elm, opt) { return v == $F(opt) },
    notEqualToField: function(v, elm, opt) { return v != $F(opt) },
    include: function(v, elm, opt) {
        return $A(opt).all(function(value) {
            return Validation.get(value).test(v, elm);
        })
    }
}

var Validation = Class.create();

Validation.prototype = {
    initialize: function(form, options) {
        this.form = $(form);
        if (!this.form) {
            return;
        }
        this.options = Object.extend({
            onSubmit: true,
            stopOnFirst: false,
            immediate: false,
            focusOnError: true,
            useTitles: false,
            onFormValidate: function(result, form) { },
            onElementValidate: function(result, elm) { }
        }, options || {});
        if (this.options.onSubmit) Event.observe(this.form, 'submit', this.onSubmit.bind(this), false);
        if (this.options.immediate) {
            var useTitles = this.options.useTitles;
            var callback = this.options.onElementValidate;
            Form.getElements(this.form).each(function(input) { // Thanks Mike!
                Event.observe(input, 'blur', function(ev) { Validation.validate(Event.element(ev), { useTitle: useTitles, onElementValidate: callback }); });
            });
        }
    },
    onSubmit: function(ev) {
        if (!this.validate()) Event.stop(ev);
    },
    validate: function() {
        var result = false;
        var useTitles = this.options.useTitles;
        var callback = this.options.onElementValidate;
        try {
            if (this.options.stopOnFirst) {
                result = Form.getElements(this.form).all(function(elm) { return Validation.validate(elm, { useTitle: useTitles, onElementValidate: callback }); });
            } else {
                result = Form.getElements(this.form).collect(function(elm) { return Validation.validate(elm, { useTitle: useTitles, onElementValidate: callback }); }).all();
            }
        } catch (e) {

        }
        if (!result && this.options.focusOnError) {
            try {
                Form.getElements(this.form).findAll(function(elm) { return $(elm).hasClassName('validation-failed') }).first().focus()
            }
            catch (e) {

            }
        }
        this.options.onFormValidate(result, this.form);
        return result;
    },
    reset: function() {
        Form.getElements(this.form).each(Validation.reset);
    }
}

Object.extend(Validation, {
    validate: function(elm, options) {
        options = Object.extend({
            useTitle: false,
            onElementValidate: function(result, elm) { }
        }, options || {});
        elm = $(elm);

        var cn = $w(elm.className);
        return result = cn.all(function(value) {
            var test = Validation.test(value, elm, options.useTitle);
            options.onElementValidate(test, elm);
            return test;
        });
    },
    insertAdvice: function(elm, advice) {
        var container = $(elm).up('.field-row');
        if (container) {
            Element.insert(container, { after: advice });
        }
        else if (elm.advaiceContainer && $(elm.advaiceContainer)) {
            $(elm.advaiceContainer).update(advice);
        }
        else {
            switch (elm.type.toLowerCase()) {
                case 'checkbox':
                case 'radio':
                    var p = elm.parentNode;
                    if (p) {
                        Element.insert(p, { 'bottom': advice });
                    } else {
                        Element.insert(elm, { 'after': advice });
                    }
                    break;
                default:
                    Element.insert(elm, { 'after': advice });
            }
        }
    },
    showAdvice: function(elm, advice, adviceName) {
        if (!elm.advices) {
            elm.advices = new Hash();
        }
        else {
            elm.advices.each(function(pair) {
                this.hideAdvice(elm, pair.value);
            } .bind(this));
        }
        elm.advices.set(adviceName, advice);
        if (typeof Effect == 'undefined') {
            advice.style.display = 'block';
        } else {
            if (!advice._adviceAbsolutize) {
                new Effect.Appear(advice, { duration: 1 });
            } else {
                Position.absolutize(advice);
                advice.show();
                advice.setStyle({
                    'top': advice._adviceTop,
                    'left': advice._adviceLeft,
                    'width': advice._adviceWidth,
                    'z-index': 1000
                });
                advice.addClassName('advice-absolute');
            }
        }
    },
    hideAdvice: function(elm, advice) {
        if (advice != null) advice.hide();
    },
    updateCallback: function(elm, status) {
        if (typeof elm.callbackFunction != 'undefined') {
            eval(elm.callbackFunction + '(\'' + elm.id + '\',\'' + status + '\')');
        }
    },
    ajaxError: function(elm, errorMsg) {
        var name = 'validate-ajax';
        var advice = Validation.getAdvice(name, elm);
        if (advice == null) {
            advice = this.createAdvice(name, elm, false, errorMsg);
        }
        this.showAdvice(elm, advice, 'validate-ajax');
        this.updateCallback(elm, 'failed');

        elm.addClassName('validation-failed');
        elm.addClassName('validate-ajax');
    },
    test: function(name, elm, useTitle) {
        var v = Validation.get(name);
        var prop = '__advice' + name.camelize();
        try {
            if (Validation.isVisible(elm) && !v.test($F(elm), elm)) {
                //if(!elm[prop]) {
                var advice = Validation.getAdvice(name, elm);
                if (advice == null) {
                    advice = this.createAdvice(name, elm, useTitle);
                }
                this.showAdvice(elm, advice, name);
                this.updateCallback(elm, 'failed');
                //}
                elm[prop] = 1;
                if (!elm.advaiceContainer) {
                    elm.removeClassName('validation-passed');
                    elm.addClassName('validation-failed');
                }
                return false;
            } else {
                var advice = Validation.getAdvice(name, elm);
                this.hideAdvice(elm, advice);
                this.updateCallback(elm, 'passed');
                elm[prop] = '';
                elm.removeClassName('validation-failed');
                elm.addClassName('validation-passed');
                return true;
            }
        } catch (e) {
            throw (e)
        }
    },
    isVisible: function(elm) {
        while (elm.tagName != 'BODY') {
            if (!$(elm).visible()) return false;
            elm = elm.parentNode;
        }
        return true;
    },
    getAdvice: function(name, elm) {
        return $('advice-' + name + '-' + Validation.getElmID(elm)) || $('advice-' + Validation.getElmID(elm));
    },
    createAdvice: function(name, elm, useTitle, customError) {
        var v = Validation.get(name);
        var errorMsg = useTitle ? ((elm && elm.title) ? elm.title : v.error) : v.error;
        if (customError) {
            errorMsg = customError;
        }
        try {
            if (Translator) {
                errorMsg = Translator.translate(errorMsg);
            }
        }
        catch (e) { }

        advice = '<div class="validation-advice" id="advice-' + name + '-' + Validation.getElmID(elm) + '" style="display:none">' + errorMsg + '</div>'


        Validation.insertAdvice(elm, advice);
        advice = Validation.getAdvice(name, elm);
        if ($(elm).hasClassName('absolute-advice')) {
            var dimensions = $(elm).getDimensions();
            var originalPosition = Position.cumulativeOffset(elm);

            advice._adviceTop = (originalPosition[1] + dimensions.height) + 'px';
            advice._adviceLeft = (originalPosition[0]) + 'px';
            advice._adviceWidth = (dimensions.width) + 'px';
            advice._adviceAbsolutize = true;
        }
        return advice;
    },
    getElmID: function(elm) {
        return elm.id ? elm.id : elm.name;
    },
    reset: function(elm) {
        elm = $(elm);
        var cn = $w(elm.className);
        cn.each(function(value) {
            var prop = '__advice' + value.camelize();
            if (elm[prop]) {
                var advice = Validation.getAdvice(value, elm);
                advice.hide();
                elm[prop] = '';
            }
            elm.removeClassName('validation-failed');
            elm.removeClassName('validation-passed');
        });
    },
    add: function(className, error, test, options) {
        var nv = {};
        nv[className] = new Validator(className, error, test, options);
        Object.extend(Validation.methods, nv);
    },
    addAllThese: function(validators) {
        var nv = {};
        $A(validators).each(function(value) {
            nv[value[0]] = new Validator(value[0], value[1], value[2], (value.length > 3 ? value[3] : {}));
        });
        Object.extend(Validation.methods, nv);
    },
    get: function(name) {
        return Validation.methods[name] ? Validation.methods[name] : Validation.methods['_LikeNoIDIEverSaw_'];
    },
    methods: {
        '_LikeNoIDIEverSaw_': new Validator('_LikeNoIDIEverSaw_', '', {})
    }
});

Validation.add('IsEmpty', '', function(v) {
    return (v == '' || (v == null) || (v.length == 0) || /^\s+$/.test(v)); // || /^\s+$/.test(v));
});

Validation.addAllThese([
 ['validate-select', 'Please select an option.', function(v) {
     return ((v != "none") && (v != null) && (v.length != 0));
 } ],

 ['required-terms', 'Please accept the terms and condition.', function(v) {
     return !Validation.get('IsEmpty').test(v);
 } ],
 ['required-receive', 'Please check the updates and special offers checkbox', function(v) {
     return !Validation.get('IsEmpty').test(v);
 } ],
 ['required-entry', 'This is a required field.', function(v) {
     return !Validation.get('IsEmpty').test(v);
 } ],
 ['validate-number', 'Please enter a valid number in this field.', function(v) {
     return Validation.get('IsEmpty').test(v) || (!isNaN(parseNumber(v)) && !/^\s+$/.test(parseNumber(v)));
 } ],
 ['validate-digits', 'Please use numbers only in this field. please avoid spaces or other characters such as dots or commas.', function(v) {
     return Validation.get('IsEmpty').test(v) || !/[^\d]/.test(v);
 } ],
 ['validate-alpha', 'Please use letters only (a-z or A-Z) in this field.', function(v) {
     return Validation.get('IsEmpty').test(v) || /^[a-zA-Z]+$/.test(v)
 } ],
 ['validate-code', 'Please use only letters (a-z), numbers (0-9) or underscore(_) in this field, first character should be a letter.', function(v) {
     return Validation.get('IsEmpty').test(v) || /^[a-z]+[a-z0-9_]+$/.test(v)
 } ],
 ['validate-alphanum', 'Please use only letters (a-z or A-Z) or numbers (0-9) only in this field. No spaces or other characters are allowed.', function(v) {
     return Validation.get('IsEmpty').test(v) || /^[a-zA-Z0-9]+$/.test(v) /*!/\W/.test(v)*/
 } ],
 ['validate-street', 'Please use only letters (a-z or A-Z) or numbers (0-9) or spaces and # only in this field.', function(v) {
     return Validation.get('IsEmpty').test(v) || /^[ \w]{3,}([A-Za-z]\.)?([ \w]*\#\d+)?(\r\n| )[ \w]{3,}/.test(v)
 } ],
 ['validate-phoneStrict', 'Please enter a valid phone number. For example (123) 456-7890 or 123-456-7890.', function(v) {
     return Validation.get('IsEmpty').test(v) || /^(\()?\d{3}(\))?(-|\s)?\d{3}(-|\s)\d{4}$/.test(v);
 } ],
 ['validate-phoneLax', 'Please enter a valid phone number. For example (123) 456-7890 or 123-456-7890.', function(v) {
     return Validation.get('IsEmpty').test(v) || /^((\d[-. ]?)?((\(\d{3}\))|\d{3}))?[-. ]?\d{3}[-. ]?\d{4}$/.test(v);
 } ],
 ['validate-fax', 'Please enter a valid fax number. For example (123) 456-7890 or 123-456-7890.', function(v) {
     return Validation.get('IsEmpty').test(v) || /^(\()?\d{3}(\))?(-|\s)?\d{3}(-|\s)\d{4}$/.test(v);
 } ],
 ['validate-date', 'Please enter a valid date.', function(v) {
     var test = new Date(v);
     return Validation.get('IsEmpty').test(v) || !isNaN(test);
 } ],
 ['validate-email', 'Please enter a valid email address. For example johndoe@domain.com.', function(v) {
     //return Validation.get('IsEmpty').test(v) || /\w{1,}[@][\w\-]{1,}([.]([\w\-]{1,})){1,3}$/.test(v)
     //return Validation.get('IsEmpty').test(v) || /^[\!\#$%\*/?|\^\{\}`~&\'\+\-=_a-z0-9][\!\#$%\*/?|\^\{\}`~&\'\+\-=_a-z0-9\.]{1,30}[\!\#$%\*/?|\^\{\}`~&\'\+\-=_a-z0-9]@([a-z0-9_-]{1,30}\.){1,5}[a-z]{2,4}$/i.test(v)
     return Validation.get('IsEmpty').test(v) || /^([a-zA-Z0-9_\-])+(\.([a-zA-Z0-9_\-])+)*@((\[(((([0-1])?([0-9])?[0-9])|(2[0-4][0-9])|(2[0-5][0-5])))\.(((([0-1])?([0-9])?[0-9])|(2[0-4][0-9])|(2[0-5][0-5])))\.(((([0-1])?([0-9])?[0-9])|(2[0-4][0-9])|(2[0-5][0-5])))\.(((([0-1])?([0-9])?[0-9])|(2[0-4][0-9])|(2[0-5][0-5]))\]))|((([a-zA-Z0-9])+(([\-])+([a-zA-Z0-9])+)*\.)+([a-zA-Z])+(([\-])+([a-zA-Z0-9])+)*))$/.test(v)
 } ],
 ['validate-name', 'Names can only contain letters or numbers.', function(v) {
     return Validation.get('IsEmpty').test(v) || /^[a-zA-Z0-9]+$/.test(v) /*!/\W/.test(v)*/
 } ],
 ['validate-password', 'Please enter 6 or more characters. Leading or trailing spaces will be ignored.', function(v) {
     var pass = v.strip(); /*strip leading and trailing spaces*/
     return !(pass.length > 0 && pass.length < 6);
 } ],
 ['validate-cpassword', 'Please make sure your passwords match.', function(v) {
     var pass = $('password') ? $('password') : $$('.validate-password')[0];
     var conf = $('confirmation') ? $('confirmation') : $$('.validate-cpassword')[0];
     return (pass.value == conf.value);
 } ],
 ['validate-url', 'Please enter a valid URL. http:// is required', function(v) {
     return Validation.get('IsEmpty').test(v) || /^(http|https|ftp):\/\/(([A-Z0-9][A-Z0-9_-]*)(\.[A-Z0-9][A-Z0-9_-]*)+)(:(\d+))?\/?/i.test(v)
 } ],
 ['validate-clean-url', 'Please enter a valid URL. For example http://www.example.com or www.example.com', function(v) {
     return Validation.get('IsEmpty').test(v) || /^(http|https|ftp):\/\/(([A-Z0-9][A-Z0-9_-]*)(\.[A-Z0-9][A-Z0-9_-]*)+.(com|org|net|dk|at|us|tv|info|uk|co.uk|biz|se)$)(:(\d+))?\/?/i.test(v) || /^(www)((\.[A-Z0-9][A-Z0-9_-]*)+.(com|org|net|dk|at|us|tv|info|uk|co.uk|biz|se)$)(:(\d+))?\/?/i.test(v)
 } ],
 ['validate-identifier', 'Please enter a valid Identifier. For example example-page, example-page.html or anotherlevel/example-page', function(v) {
     return Validation.get('IsEmpty').test(v) || /^[A-Z0-9][A-Z0-9_\/-]+(\.[A-Z0-9_-]+)*$/i.test(v)
 } ],
 ['validate-xml-identifier', 'Please enter a valid XML-identifier. For example something_1, block5, id-4', function(v) {
     return Validation.get('IsEmpty').test(v) || /^[A-Z][A-Z0-9_\/-]*$/i.test(v)
 } ],
 ['validate-ssn', 'Please enter a valid social security number. For example 123-45-6789.', function(v) {
     return Validation.get('IsEmpty').test(v) || /^\d{3}-?\d{2}-?\d{4}$/.test(v);
 } ],
 ['validate-zip', 'Please enter a valid zip code. For example 90602 or 90602-1234.', function(v) {
     return Validation.get('IsEmpty').test(v) || /(^\d{5}$)|(^\d{5}-\d{4}$)/.test(v);
 } ],
 ['validate-zip-international', 'Please enter a valid zip code.', function(v) {
     return Validation.get('IsEmpty').test(v) || /(^[A-z0-9]{2,10}([\s]{0,1}|[\-]{0,1})[A-z0-9]{2,10}$)/.test(v);
 } ],
 ['validate-date-au', 'Please use this date format: dd/mm/yyyy. For example 17/03/2006 for the 17th of March, 2006.', function(v) {
     if (Validation.get('IsEmpty').test(v)) return true;
     var regex = /^(\d{2})\/(\d{2})\/(\d{4})$/;
     if (!regex.test(v)) return false;
     var d = new Date(v.replace(regex, '$2/$1/$3'));
     return (parseInt(RegExp.$2, 10) == (1 + d.getMonth())) &&
 (parseInt(RegExp.$1, 10) == d.getDate()) &&
 (parseInt(RegExp.$3, 10) == d.getFullYear());
 } ],
 ['validate-currency-dollar', 'Please enter a valid $ amount. For example $100.00.', function(v) {
     // [$]1[##][,###]+[.##]
     // [$]1###+[.##]
     // [$]0.##
     // [$].##
     return Validation.get('IsEmpty').test(v) || /^\$?\-?([1-9]{1}[0-9]{0,2}(\,[0-9]{3})*(\.[0-9]{0,2})?|[1-9]{1}\d*(\.[0-9]{0,2})?|0(\.[0-9]{0,2})?|(\.[0-9]{1,2})?)$/.test(v)
 } ],
 ['validate-one-required', 'Please select one of the above options.', function(v, elm) {
     var p = elm.parentNode;
     var options = p.getElementsByTagName('INPUT');
     return $A(options).any(function(elm) {
         return $F(elm);
     });
 } ],
 ['validate-one-required-by-name', 'Please select one of the options.', function(v, elm) {
     var inputs = $$('input');
     var error = 1;
     for (i in inputs) {
         if (inputs[i].checked == true && inputs[i].name == elm.name) {
             error = 0;
         }
     }

     if (error == 0) {
         return true;
     } else {
         return false;
     }
 } ],
 ['validate-not-negative-number', 'Please enter a valid number in this field.', function(v) {
     v = parseNumber(v);
     return (!isNaN(v) && v >= 0);
 } ],
 ['validate-state', 'Please select State/Province.', function(v) {
     return (v != 0 || v == '');
 } ],

 ['validate-new-password', 'Please enter 6 or more characters. Leading or trailing spaces will be ignored.', function(v) {
     if (!Validation.get('validate-password').test(v)) return false;
     if (Validation.get('IsEmpty').test(v) && v != '') return false;
     return true;
 } ],
 ['validate-greater-than-zero', 'Please enter a number greater than 0 in this field.', function(v) {
     if (v.length)
         return parseFloat(v) > 0;
     else
         return true;
 } ],
 ['validate-zero-or-greater', 'Please enter a number 0 or greater in this field.', function(v) {
     if (v.length)
         return parseFloat(v) >= 0;
     else
         return true;
 } ],
 ['validate-cc-number', 'Please enter a valid credit card number.', function(v, elm) {
     // remove non-numerics
     var ccTypeContainer = $(elm.id.substr(0, elm.id.indexOf('_cc_number')) + '_cc_type');
     if (ccTypeContainer && typeof Validation.creditCartTypes.get(ccTypeContainer.value) != 'undefined'
 && Validation.creditCartTypes.get(ccTypeContainer.value)[2] == false) {
         if (!Validation.get('IsEmpty').test(v) && Validation.get('validate-digits').test(v)) {
             return true;
         } else {
             return false;
         }
     }
     return validateCreditCard(v);
 } ],
 ['validate-cc-type', 'Credit card number doesn\'t match credit card type', function(v, elm) {
     // remove credit card number delimiters such as "-" and space
     elm.value = removeDelimiters(elm.value);
     v = removeDelimiters(v);

     var ccTypeContainer = $(elm.id.substr(0, elm.id.indexOf('_cc_number')) + '_cc_type');
     if (!ccTypeContainer) {
         return true;
     }
     var ccType = ccTypeContainer.value;

     if (typeof Validation.creditCartTypes.get(ccType) == 'undefined') {
         return false;
     }

     // Other card type or switch or solo card
     if (Validation.creditCartTypes.get(ccType)[0] == false) {
         return true;
     }

     // Matched credit card type
     var ccMatchedType = '';

     Validation.creditCartTypes.each(function(pair) {
         if (pair.value[0] && v.match(pair.value[0])) {
             ccMatchedType = pair.key;
             throw $break;
         }
     });

     if (ccMatchedType != ccType) {
         return false;
     }

     return true;
 } ],
 ['validate-cc-type-select', 'Card type doesn\'t match credit card number', function(v, elm) {
     var ccNumberContainer = $(elm.id.substr(0, elm.id.indexOf('_cc_type')) + '_cc_number');
     return Validation.get('validate-cc-type').test(ccNumberContainer.value, ccNumberContainer);
 } ],
 ['validate-cc-exp', 'Incorrect credit card expiration date', function(v, elm) {
     var ccExpMonth = v;
     var ccExpYear = $('ccsave_expiration_yr').value;
     var currentTime = new Date();
     var currentMonth = currentTime.getMonth() + 1;
     var currentYear = currentTime.getFullYear();
     if (ccExpMonth < currentMonth && ccExpYear == currentYear) {
         return false;
     }
     return true;
 } ],
 ['validate-cc-cvn', 'Please enter a valid credit card verification number.', function(v, elm) {
     var ccTypeContainer = $(elm.id.substr(0, elm.id.indexOf('_cc_cid')) + '_cc_type');
     if (!ccTypeContainer) {
         return true;
     }
     var ccType = ccTypeContainer.value;

     if (typeof Validation.creditCartTypes.get(ccType) == 'undefined') {
         return false;
     }

     var re = Validation.creditCartTypes.get(ccType)[1];

     if (v.match(re)) {
         return true;
     }

     return false;
 } ],
 ['validate-ajax', '', function(v, elm) { return true; } ],
 ['validate-data', 'Please use only letters (a-z or A-Z), numbers (0-9) or underscore(_) in this field, first character should be a letter.', function(v) {
     if (v != '' && v) {
         return /^[A-Za-z]+[A-Za-z0-9_]+$/.test(v);
     }
     return true;
 } ],
 ['validate-css-length', 'Please input a valid CSS-length. For example 100px or 77pt or 20em or .5ex or 50%', function(v) {
     if (v != '' && v) {
         return /^[0-9\.]+(px|pt|em|ex|%)?$/.test(v) && (!(/\..*\./.test(v))) && !(/\.$/.test(v));
     }
     return true;
 } ],
 ['validate-length', 'Maximum length exceeded.', function(v, elm) {
     var re = new RegExp(/^maximum-length-[0-9]+$/);
     var result = true;
     $w(elm.className).each(function(name, index) {
         if (name.match(re) && result) {
             var length = name.split('-')[2];
             result = (v.length <= length);
         }
     });
     return result;
 } ]
]);


// Credit Card Validation Javascript
// copyright 12th May 2003, by Stephen Chapman, Felgall Pty Ltd

// You have permission to copy and use this javascript provided that
// the content of the script is not changed in any way.

function validateCreditCard(s) {
    // remove non-numerics
    var v = "0123456789";
    var w = "";
    for (i = 0; i < s.length; i++) {
        x = s.charAt(i);
        if (v.indexOf(x, 0) != -1)
            w += x;
    }
    // validate number
    j = w.length / 2;
    k = Math.floor(j);
    m = Math.ceil(j) - k;
    c = 0;
    for (i = 0; i < k; i++) {
        a = w.charAt(i * 2 + m) * 2;
        c += a > 9 ? Math.floor(a / 10 + a % 10) : a;
    }
    for (i = 0; i < k + m; i++) c += w.charAt(i * 2 + 1 - m) * 1;
    return (c % 10 == 0);
}

function removeDelimiters(v) {
    v = v.replace(/\s/g, '');
    v = v.replace(/\-/g, '');
    return v;
}

function parseNumber(v) {
    if (typeof v != 'string') {
        return parseFloat(v);
    }

    var isDot = v.indexOf('.');
    var isComa = v.indexOf(',');

    if (isDot != -1 && isComa != -1) {
        if (isComa > isDot) {
            v = v.replace('.', '').replace(',', '.');
        }
        else {
            v = v.replace(',', '');
        }
    }
    else if (isComa != -1) {
        v = v.replace(',', '.');
    }

    return parseFloat(v);
}

/**
* Hash with credit card types wich can be simply extended in payment modules
* 0 - regexp for card number
* 1 - regexp for cvn
* 2 - check or not credit card number trough Luhn algorithm by
* function validateCreditCard wich you can find above in this file
*/
Validation.creditCartTypes = $H({
    'VI': [new RegExp('^4[0-9]{12}([0-9]{3})?$'), new RegExp('^[0-9]{3}$'), true],
    'MC': [new RegExp('^5[1-5][0-9]{14}$'), new RegExp('^[0-9]{3}$'), true],
    'AE': [new RegExp('^3[47][0-9]{13}$'), new RegExp('^[0-9]{4}$'), true],
    'DI': [new RegExp('^6011[0-9]{12}$'), new RegExp('^[0-9]{3}$'), true],
    'SS': [new RegExp('^((6759[0-9]{12})|(49[013][1356][0-9]{13})|(633[34][0-9]{12})|(633110[0-9]{10})|(564182[0-9]{10}))([0-9]{2,3})?$'), new RegExp('^([0-9]{3}|[0-9]{4})?$'), true],
    'OT': [false, new RegExp('^([0-9]{3}|[0-9]{4})?$'), false]
});

// script.aculo.us builder.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)
//
// 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/

var Builder = {
    NODEMAP: {
        AREA: 'map',
        CAPTION: 'table',
        COL: 'table',
        COLGROUP: 'table',
        LEGEND: 'fieldset',
        OPTGROUP: 'select',
        OPTION: 'select',
        PARAM: 'object',
        TBODY: 'table',
        TD: 'table',
        TFOOT: 'table',
        TH: 'table',
        THEAD: 'table',
        TR: 'table'
    },
    // note: For Firefox < 1.5, OPTION and OPTGROUP tags are currently broken,
    // due to a Firefox bug
    node: function(elementName) {
        elementName = elementName.toUpperCase();

        // try innerHTML approach
        var parentTag = this.NODEMAP[elementName] || 'div';
        var parentElement = document.createElement(parentTag);
        try { // prevent IE "feature": http://dev.rubyonrails.org/ticket/2707
            parentElement.innerHTML = "<" + elementName + "></" + elementName + ">";
        } catch (e) { }
        var element = parentElement.firstChild || null;

        // see if browser added wrapping tags
        if (element && (element.tagName.toUpperCase() != elementName))
            element = element.getElementsByTagName(elementName)[0];

        // fallback to createElement approach
        if (!element) element = document.createElement(elementName);

        // abort if nothing could be created
        if (!element) return;

        // attributes (or text)
        if (arguments[1])
            if (this._isStringOrNumber(arguments[1]) ||
 (arguments[1] instanceof Array) ||
 arguments[1].tagName) {
            this._children(element, arguments[1]);
        } else {
            var attrs = this._attributes(arguments[1]);
            if (attrs.length) {
                try { // prevent IE "feature": http://dev.rubyonrails.org/ticket/2707
                    parentElement.innerHTML = "<" + elementName + " " +
 attrs + "></" + elementName + ">";
                } catch (e) { }
                element = parentElement.firstChild || null;
                // workaround firefox 1.0.X bug
                if (!element) {
                    element = document.createElement(elementName);
                    for (attr in arguments[1])
                        element[attr == 'class' ? 'className' : attr] = arguments[1][attr];
                }
                if (element.tagName.toUpperCase() != elementName)
                    element = parentElement.getElementsByTagName(elementName)[0];
            }
        }

        // text, or array of children
        if (arguments[2])
            this._children(element, arguments[2]);

        return element;
    },
    _text: function(text) {
        return document.createTextNode(text);
    },

    ATTR_MAP: {
        'className': 'class',
        'htmlFor': 'for'
    },

    _attributes: function(attributes) {
        var attrs = [];
        for (attribute in attributes)
            attrs.push((attribute in this.ATTR_MAP ? this.ATTR_MAP[attribute] : attribute) +
 '="' + attributes[attribute].toString().escapeHTML().gsub(/"/, '&quot;') + '"');
        return attrs.join(" ");
    },
    _children: function(element, children) {
        if (children.tagName) {
            element.appendChild(children);
            return;
        }
        if (typeof children == 'object') { // array can hold nodes and text
            children.flatten().each(function(e) {
                if (typeof e == 'object')
                    element.appendChild(e)
                else
                    if (Builder._isStringOrNumber(e))
                    element.appendChild(Builder._text(e));
            });
        } else
            if (Builder._isStringOrNumber(children))
            element.appendChild(Builder._text(children));
    },
    _isStringOrNumber: function(param) {
        return (typeof param == 'string' || typeof param == 'number');
    },
    build: function(html) {
        var element = this.node('div');
        $(element).update(html.strip());
        return element.down();
    },
    dump: function(scope) {
        if (typeof scope != 'object' && typeof scope != 'function') scope = window; //global scope 

        var tags = ("A ABBR ACRONYM ADDRESS APPLET AREA B BASE BASEFONT BDO BIG BLOCKQUOTE BODY " +
 "BR BUTTON CAPTION CENTER CITE CODE COL COLGROUP DD DEL DFN DIR DIV DL DT EM FIELDSET " +
 "FONT FORM FRAME FRAMESET H1 H2 H3 H4 H5 H6 HEAD HR HTML I IFRAME IMG INPUT INS ISINDEX " +
 "KBD LABEL LEGEND LI LINK MAP MENU META NOFRAMES NOSCRIPT OBJECT OL OPTGROUP OPTION P " +
 "PARAM PRE Q S SAMP SCRIPT SELECT SMALL SPAN STRIKE STRONG STYLE SUB SUP TABLE TBODY TD " +
 "TEXTAREA TFOOT TH THEAD TITLE TR TT U UL VAR").split(/\s+/);

        tags.each(function(tag) {
            scope[tag] = function() {
                return Builder.node.apply(Builder, [tag].concat($A(arguments)));
            }
        });
    }
}

// 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();
// script.aculo.us dragdrop.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)
// (c) 2005-2007 Sammi Williams (http://www.oriontransfer.co.nz, sammi@oriontransfer.co.nz)
//
// 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/

if (typeof Effect == 'undefined')
    throw ("dragdrop.js requires including script.aculo.us' effects.js library");

var Droppables = {
    drops: [],

    remove: function(element) {
        this.drops = this.drops.reject(function(d) { return d.element == $(element) });
    },

    add: function(element) {
        element = $(element);
        var options = Object.extend({
            greedy: true,
            hoverclass: null,
            tree: false
        }, arguments[1] || {});

        // cache containers
        if (options.containment) {
            options._containers = [];
            var containment = options.containment;
            if ((typeof containment == 'object') &&
 (containment.constructor == Array)) {
                containment.each(function(c) { options._containers.push($(c)) });
            } else {
                options._containers.push($(containment));
            }
        }

        if (options.accept) options.accept = [options.accept].flatten();

        Element.makePositioned(element); // fix IE
        options.element = element;

        this.drops.push(options);
    },

    findDeepestChild: function(drops) {
        deepest = drops[0];

        for (i = 1; i < drops.length; ++i)
            if (Element.isParent(drops[i].element, deepest.element))
            deepest = drops[i];

        return deepest;
    },

    isContained: function(element, drop) {
        var containmentNode;
        if (drop.tree) {
            containmentNode = element.treeNode;
        } else {
            containmentNode = element.parentNode;
        }
        return drop._containers.detect(function(c) { return containmentNode == c });
    },

    isAffected: function(point, element, drop) {
        return (
 (drop.element != element) &&
 ((!drop._containers) ||
 this.isContained(element, drop)) &&
 ((!drop.accept) ||
 (Element.classNames(element).detect(
 function(v) { return drop.accept.include(v) }))) &&
 Position.within(drop.element, point[0], point[1]));
    },

    deactivate: function(drop) {
        if (drop.hoverclass)
            Element.removeClassName(drop.element, drop.hoverclass);
        this.last_active = null;
    },

    activate: function(drop) {
        if (drop.hoverclass)
            Element.addClassName(drop.element, drop.hoverclass);
        this.last_active = drop;
    },

    show: function(point, element) {
        if (!this.drops.length) return;
        var affected = [];

        if (this.last_active) this.deactivate(this.last_active);
        this.drops.each(function(drop) {
            if (Droppables.isAffected(point, element, drop))
                affected.push(drop);
        });

        if (affected.length > 0) {
            drop = Droppables.findDeepestChild(affected);
            Position.within(drop.element, point[0], point[1]);
            if (drop.onHover)
                drop.onHover(element, drop.element, Position.overlap(drop.overlap, drop.element));

            Droppables.activate(drop);
        }
    },

    fire: function(event, element) {
        if (!this.last_active) return;
        Position.prepare();

        if (this.isAffected([Event.pointerX(event), Event.pointerY(event)], element, this.last_active))
            if (this.last_active.onDrop) {
            this.last_active.onDrop(element, this.last_active.element, event);
            return true;
        }
    },

    reset: function() {
        if (this.last_active)
            this.deactivate(this.last_active);
    }
}

var Draggables = {
    drags: [],
    observers: [],

    register: function(draggable) {
        if (this.drags.length == 0) {
            this.eventMouseUp = this.endDrag.bindAsEventListener(this);
            this.eventMouseMove = this.updateDrag.bindAsEventListener(this);
            this.eventKeypress = this.keyPress.bindAsEventListener(this);

            Event.observe(document, "mouseup", this.eventMouseUp);
            Event.observe(draggable.element, "mousemove", this.eventMouseMove);
            Event.observe(document, "keypress", this.eventKeypress);
        }
        this.drags.push(draggable);
    },

    unregister: function(draggable) {
        this.drags = this.drags.reject(function(d) { return d == draggable });
        if (this.drags.length == 0) {
            Event.stopObserving(document, "mouseup", this.eventMouseUp);
            Event.stopObserving(draggable.element, "mousemove", this.eventMouseMove);
            Event.stopObserving(document, "keypress", this.eventKeypress);
        }
    },

    activate: function(draggable) {
        if (draggable.options.delay) {
            this._timeout = setTimeout(function() {
                Draggables._timeout = null;
                window.focus();
                Draggables.activeDraggable = draggable;
            } .bind(this), draggable.options.delay);
        } else {
            window.focus(); // allows keypress events if window isn't currently focused, fails for Safari
            this.activeDraggable = draggable;
        }
    },

    deactivate: function() {
        this.activeDraggable = null;
    },

    updateDrag: function(event) {
        if (!this.activeDraggable) return;
        var pointer = [Event.pointerX(event), Event.pointerY(event)];
        // Mozilla-based browsers fire successive mousemove events with
        // the same coordinates, prevent needless redrawing (moz bug?)
        if (this._lastPointer && (this._lastPointer.inspect() == pointer.inspect())) return;
        this._lastPointer = pointer;

        this.activeDraggable.updateDrag(event, pointer);
    },

    endDrag: function(event) {
        if (this._timeout) {
            clearTimeout(this._timeout);
            this._timeout = null;
        }
        if (!this.activeDraggable) return;
        this._lastPointer = null;
        this.activeDraggable.endDrag(event);
        this.activeDraggable = null;
    },

    keyPress: function(event) {
        if (this.activeDraggable)
            this.activeDraggable.keyPress(event);
    },

    addObserver: function(observer) {
        this.observers.push(observer);
        this._cacheObserverCallbacks();
    },

    removeObserver: function(element) { // element instead of observer fixes mem leaks
        this.observers = this.observers.reject(function(o) { return o.element == element });
        this._cacheObserverCallbacks();
    },

    notify: function(eventName, draggable, event) { // 'onStart', 'onEnd', 'onDrag'
        if (this[eventName + 'Count'] > 0)
            this.observers.each(function(o) {
                if (o[eventName]) o[eventName](eventName, draggable, event);
            });
        if (draggable.options[eventName]) draggable.options[eventName](draggable, event);
    },

    _cacheObserverCallbacks: function() {
        ['onStart', 'onEnd', 'onDrag'].each(function(eventName) {
            Draggables[eventName + 'Count'] = Draggables.observers.select(
 function(o) { return o[eventName]; }
 ).length;
        });
    }
}

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

var Draggable = Class.create();
Draggable._dragging = {};

Draggable.prototype = {
    initialize: function(element) {
        var defaults = {
            handle: false,
            reverteffect: function(element, top_offset, left_offset) {
                var dur = Math.sqrt(Math.abs(top_offset ^ 2) + Math.abs(left_offset ^ 2)) * 0.02;
                new Effect.Move(element, { x: -left_offset, y: -top_offset, duration: dur,
                    queue: { scope: '_draggable', position: 'end' }
                });
            },
            endeffect: function(element) {
                var toOpacity = typeof element._opacity == 'number' ? element._opacity : 1.0;
                new Effect.Opacity(element, { duration: 0.2, from: 0.7, to: toOpacity,
                    queue: { scope: '_draggable', position: 'end' },
                    afterFinish: function() {
                        Draggable._dragging[element] = false
                    }
                });
            },
            zindex: 1000,
            revert: false,
            quiet: false,
            scroll: false,
            scrollSensitivity: 20,
            scrollSpeed: 15,
            snap: false, // false, or xy or [x,y] or function(x,y){ return [x,y] }
            delay: 0
        };

        if (!arguments[1] || typeof arguments[1].endeffect == 'undefined')
            Object.extend(defaults, {
                starteffect: function(element) {
                    element._opacity = Element.getOpacity(element);
                    Draggable._dragging[element] = true;
                    new Effect.Opacity(element, { duration: 0.2, from: element._opacity, to: 0.7 });
                }
            });

        var options = Object.extend(defaults, arguments[1] || {});

        this.element = $(element);

        if (options.handle && (typeof options.handle == 'string'))
            this.handle = this.element.down('.' + options.handle, 0);

        if (!this.handle) this.handle = $(options.handle);
        if (!this.handle) this.handle = this.element;

        if (options.scroll && !options.scroll.scrollTo && !options.scroll.outerHTML) {
            options.scroll = $(options.scroll);
            this._isScrollChild = Element.childOf(this.element, options.scroll);
        }

        Element.makePositioned(this.element); // fix IE

        this.delta = this.currentDelta();
        this.options = options;
        this.dragging = false;

        this.eventMouseDown = this.initDrag.bindAsEventListener(this);
        Event.observe(this.handle, "mousedown", this.eventMouseDown);

        Draggables.register(this);
    },

    destroy: function() {
        Event.stopObserving(this.handle, "mousedown", this.eventMouseDown);
        Draggables.unregister(this);
    },

    currentDelta: function() {
        return ([
 parseInt(Element.getStyle(this.element, 'left') || '0'),
 parseInt(Element.getStyle(this.element, 'top') || '0')]);
    },

    initDrag: function(event) {
        if (typeof Draggable._dragging[this.element] != 'undefined' &&
 Draggable._dragging[this.element]) return;
        if (Event.isLeftClick(event)) {
            // abort on form elements, fixes a Firefox issue
            var src = Event.element(event);
            if ((tag_name = src.tagName.toUpperCase()) && (
 tag_name == 'INPUT' ||
 tag_name == 'SELECT' ||
 tag_name == 'OPTION' ||
 tag_name == 'BUTTON' ||
 tag_name == 'TEXTAREA')) return;

            var pointer = [Event.pointerX(event), Event.pointerY(event)];
            var pos = Position.cumulativeOffset(this.element);
            this.offset = [0, 1].map(function(i) { return (pointer[i] - pos[i]) });

            Draggables.activate(this);
            Event.stop(event);
        }
    },

    startDrag: function(event) {
        this.dragging = true;

        if (this.options.zindex) {
            this.originalZ = parseInt(Element.getStyle(this.element, 'z-index') || 0);
            this.element.style.zIndex = this.options.zindex;
        }

        if (this.options.ghosting) {
            this._clone = this.element.cloneNode(true);
            Position.absolutize(this.element);
            this.element.parentNode.insertBefore(this._clone, this.element);
        }

        if (this.options.scroll) {
            if (this.options.scroll == window) {
                var where = this._getWindowScroll(this.options.scroll);
                this.originalScrollLeft = where.left;
                this.originalScrollTop = where.top;
            } else {
                this.originalScrollLeft = this.options.scroll.scrollLeft;
                this.originalScrollTop = this.options.scroll.scrollTop;
            }
        }

        Draggables.notify('onStart', this, event);

        if (this.options.starteffect) this.options.starteffect(this.element);
    },

    updateDrag: function(event, pointer) {
        if (!this.dragging) this.startDrag(event);

        if (!this.options.quiet) {
            Position.prepare();
            Droppables.show(pointer, this.element);
        }

        Draggables.notify('onDrag', this, event);

        this.draw(pointer);
        if (this.options.change) this.options.change(this);

        if (this.options.scroll) {
            this.stopScrolling();

            var p;
            if (this.options.scroll == window) {
                with (this._getWindowScroll(this.options.scroll)) { p = [left, top, left + width, top + height]; }
            } else {
                p = Position.page(this.options.scroll);
                p[0] += this.options.scroll.scrollLeft + Position.deltaX;
                p[1] += this.options.scroll.scrollTop + Position.deltaY;
                p.push(p[0] + this.options.scroll.offsetWidth);
                p.push(p[1] + this.options.scroll.offsetHeight);
            }
            var speed = [0, 0];
            if (pointer[0] < (p[0] + this.options.scrollSensitivity)) speed[0] = pointer[0] - (p[0] + this.options.scrollSensitivity);
            if (pointer[1] < (p[1] + this.options.scrollSensitivity)) speed[1] = pointer[1] - (p[1] + this.options.scrollSensitivity);
            if (pointer[0] > (p[2] - this.options.scrollSensitivity)) speed[0] = pointer[0] - (p[2] - this.options.scrollSensitivity);
            if (pointer[1] > (p[3] - this.options.scrollSensitivity)) speed[1] = pointer[1] - (p[3] - this.options.scrollSensitivity);
            this.startScrolling(speed);
        }

        // fix AppleWebKit rendering
        if (Prototype.Browser.WebKit) window.scrollBy(0, 0);

        Event.stop(event);
    },

    finishDrag: function(event, success) {
        this.dragging = false;

        if (this.options.quiet) {
            Position.prepare();
            var pointer = [Event.pointerX(event), Event.pointerY(event)];
            Droppables.show(pointer, this.element);
        }

        if (this.options.ghosting) {
            Position.relativize(this.element);
            Element.remove(this._clone);
            this._clone = null;
        }

        var dropped = false;
        if (success) {
            dropped = Droppables.fire(event, this.element);
            if (!dropped) dropped = false;
        }
        if (dropped && this.options.onDropped) this.options.onDropped(this.element);
        Draggables.notify('onEnd', this, event);

        var revert = this.options.revert;
        if (revert && typeof revert == 'function') revert = revert(this.element);

        var d = this.currentDelta();
        if (revert && this.options.reverteffect) {
            if (dropped == 0 || revert != 'failure')
                this.options.reverteffect(this.element,
 d[1] - this.delta[1], d[0] - this.delta[0]);
        } else {
            this.delta = d;
        }

        if (this.options.zindex)
            this.element.style.zIndex = this.originalZ;

        if (this.options.endeffect)
            this.options.endeffect(this.element);

        Draggables.deactivate(this);
        Droppables.reset();
    },

    keyPress: function(event) {
        if (event.keyCode != Event.KEY_ESC) return;
        this.finishDrag(event, false);
        Event.stop(event);
    },

    endDrag: function(event) {
        if (!this.dragging) return;
        this.stopScrolling();
        this.finishDrag(event, true);
        Event.stop(event);
    },

    draw: function(point) {
        var pos = Position.cumulativeOffset(this.element);
        if (this.options.ghosting) {
            var r = Position.realOffset(this.element);
            pos[0] += r[0] - Position.deltaX; pos[1] += r[1] - Position.deltaY;
        }

        var d = this.currentDelta();
        pos[0] -= d[0]; pos[1] -= d[1];

        if (this.options.scroll && (this.options.scroll != window && this._isScrollChild)) {
            pos[0] -= this.options.scroll.scrollLeft - this.originalScrollLeft;
            pos[1] -= this.options.scroll.scrollTop - this.originalScrollTop;
        }

        var p = [0, 1].map(function(i) {
            return (point[i] - pos[i] - this.offset[i])
        } .bind(this));

        if (this.options.snap) {
            if (typeof this.options.snap == 'function') {
                p = this.options.snap(p[0], p[1], this);
            } else {
                if (this.options.snap instanceof Array) {
                    p = p.map(function(v, i) {
                        return Math.round(v / this.options.snap[i]) * this.options.snap[i]
                    } .bind(this))
                } else {
                    p = p.map(function(v) {
                        return Math.round(v / this.options.snap) * this.options.snap
                    } .bind(this))
                }
            } 
        }

        var style = this.element.style;
        if ((!this.options.constraint) || (this.options.constraint == 'horizontal'))
            style.left = p[0] + "px";
        if ((!this.options.constraint) || (this.options.constraint == 'vertical'))
            style.top = p[1] + "px";

        if (style.visibility == "hidden") style.visibility = ""; // fix gecko rendering
    },

    stopScrolling: function() {
        if (this.scrollInterval) {
            clearInterval(this.scrollInterval);
            this.scrollInterval = null;
            Draggables._lastScrollPointer = null;
        }
    },

    startScrolling: function(speed) {
        if (!(speed[0] || speed[1])) return;
        this.scrollSpeed = [speed[0] * this.options.scrollSpeed, speed[1] * this.options.scrollSpeed];
        this.lastScrolled = new Date();
        this.scrollInterval = setInterval(this.scroll.bind(this), 10);
    },

    scroll: function() {
        var current = new Date();
        var delta = current - this.lastScrolled;
        this.lastScrolled = current;
        if (this.options.scroll == window) {
            with (this._getWindowScroll(this.options.scroll)) {
                if (this.scrollSpeed[0] || this.scrollSpeed[1]) {
                    var d = delta / 1000;
                    this.options.scroll.scrollTo(left + d * this.scrollSpeed[0], top + d * this.scrollSpeed[1]);
                }
            }
        } else {
            this.options.scroll.scrollLeft += this.scrollSpeed[0] * delta / 1000;
            this.options.scroll.scrollTop += this.scrollSpeed[1] * delta / 1000;
        }

        Position.prepare();
        Droppables.show(Draggables._lastPointer, this.element);
        Draggables.notify('onDrag', this);
        if (this._isScrollChild) {
            Draggables._lastScrollPointer = Draggables._lastScrollPointer || $A(Draggables._lastPointer);
            Draggables._lastScrollPointer[0] += this.scrollSpeed[0] * delta / 1000;
            Draggables._lastScrollPointer[1] += this.scrollSpeed[1] * delta / 1000;
            if (Draggables._lastScrollPointer[0] < 0)
                Draggables._lastScrollPointer[0] = 0;
            if (Draggables._lastScrollPointer[1] < 0)
                Draggables._lastScrollPointer[1] = 0;
            this.draw(Draggables._lastScrollPointer);
        }

        if (this.options.change) this.options.change(this);
    },

    _getWindowScroll: function(w) {
        var T, L, W, H;
        with (w.document) {
            if (w.document.documentElement && documentElement.scrollTop) {
                T = documentElement.scrollTop;
                L = documentElement.scrollLeft;
            } else if (w.document.body) {
                T = body.scrollTop;
                L = body.scrollLeft;
            }
            if (w.innerWidth) {
                W = w.innerWidth;
                H = w.innerHeight;
            } else if (w.document.documentElement && documentElement.clientWidth) {
                W = documentElement.clientWidth;
                H = documentElement.clientHeight;
            } else {
                W = body.offsetWidth;
                H = body.offsetHeight
            }
        }
        return { top: T, left: L, width: W, height: H };
    }
}

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

var SortableObserver = Class.create();
SortableObserver.prototype = {
    initialize: function(element, observer) {
        this.element = $(element);
        this.observer = observer;
        this.lastValue = Sortable.serialize(this.element);
    },

    onStart: function() {
        this.lastValue = Sortable.serialize(this.element);
    },

    onEnd: function() {
        Sortable.unmark();
        if (this.lastValue != Sortable.serialize(this.element))
            this.observer(this.element)
    }
}

var Sortable = {
    SERIALIZE_RULE: /^[^_\-](?:[A-Za-z0-9\-\_]*)[_](.*)$/,

    sortables: {},

    _findRootElement: function(element) {
        while (element.tagName.toUpperCase() != "BODY") {
            if (element.id && Sortable.sortables[element.id]) return element;
            element = element.parentNode;
        }
    },

    options: function(element) {
        element = Sortable._findRootElement($(element));
        if (!element) return;
        return Sortable.sortables[element.id];
    },

    destroy: function(element) {
        var s = Sortable.options(element);

        if (s) {
            Draggables.removeObserver(s.element);
            s.droppables.each(function(d) { Droppables.remove(d) });
            s.draggables.invoke('destroy');

            delete Sortable.sortables[s.element.id];
        }
    },

    create: function(element) {
        element = $(element);
        var options = Object.extend({
            element: element,
            tag: 'li', // assumes li children, override with tag: 'tagname'
            dropOnEmpty: false,
            tree: false,
            treeTag: 'ul',
            overlap: 'vertical', // one of 'vertical', 'horizontal'
            constraint: 'vertical', // one of 'vertical', 'horizontal', false
            containment: element, // also takes array of elements (or id's); or false
            handle: false, // or a CSS class
            only: false,
            delay: 0,
            hoverclass: null,
            ghosting: false,
            quiet: false,
            scroll: false,
            scrollSensitivity: 20,
            scrollSpeed: 15,
            format: this.SERIALIZE_RULE,

            // these take arrays of elements or ids and can be
            // used for better initialization performance
            elements: false,
            handles: false,

            onChange: Prototype.emptyFunction,
            onUpdate: Prototype.emptyFunction
        }, arguments[1] || {});

        // clear any old sortable with same element
        this.destroy(element);

        // build options for the draggables
        var options_for_draggable = {
            revert: true,
            quiet: options.quiet,
            scroll: options.scroll,
            scrollSpeed: options.scrollSpeed,
            scrollSensitivity: options.scrollSensitivity,
            delay: options.delay,
            ghosting: options.ghosting,
            constraint: options.constraint,
            handle: options.handle
        };

        if (options.starteffect)
            options_for_draggable.starteffect = options.starteffect;

        if (options.reverteffect)
            options_for_draggable.reverteffect = options.reverteffect;
        else
            if (options.ghosting) options_for_draggable.reverteffect = function(element) {
                element.style.top = 0;
                element.style.left = 0;
            };

        if (options.endeffect)
            options_for_draggable.endeffect = options.endeffect;

        if (options.zindex)
            options_for_draggable.zindex = options.zindex;

        // build options for the droppables
        var options_for_droppable = {
            overlap: options.overlap,
            containment: options.containment,
            tree: options.tree,
            hoverclass: options.hoverclass,
            onHover: Sortable.onHover
        }

        var options_for_tree = {
            onHover: Sortable.onEmptyHover,
            overlap: options.overlap,
            containment: options.containment,
            hoverclass: options.hoverclass
        }

        // fix for gecko engine
        Element.cleanWhitespace(element);

        options.draggables = [];
        options.droppables = [];

        // drop on empty handling
        if (options.dropOnEmpty || options.tree) {
            Droppables.add(element, options_for_tree);
            options.droppables.push(element);
        }

        (options.elements || this.findElements(element, options) || []).each(function(e, i) {
            var handle = options.handles ? $(options.handles[i]) :
 (options.handle ? $(e).getElementsByClassName(options.handle)[0] : e);
            options.draggables.push(
 new Draggable(e, Object.extend(options_for_draggable, { handle: handle })));
            Droppables.add(e, options_for_droppable);
            if (options.tree) e.treeNode = element;
            options.droppables.push(e);
        });

        if (options.tree) {
            (Sortable.findTreeElements(element, options) || []).each(function(e) {
                Droppables.add(e, options_for_tree);
                e.treeNode = element;
                options.droppables.push(e);
            });
        }

        // keep reference
        this.sortables[element.id] = options;

        // for onupdate
        Draggables.addObserver(new SortableObserver(element, options.onUpdate));

    },

    // return all suitable-for-sortable elements in a guaranteed order
    findElements: function(element, options) {
        return Element.findChildren(
 element, options.only, options.tree ? true : false, options.tag);
    },

    findTreeElements: function(element, options) {
        return Element.findChildren(
 element, options.only, options.tree ? true : false, options.treeTag);
    },

    onHover: function(element, dropon, overlap) {
        if (Element.isParent(dropon, element)) return;

        if (overlap > .33 && overlap < .66 && Sortable.options(dropon).tree) {
            return;
        } else if (overlap > 0.5) {
            Sortable.mark(dropon, 'before');
            if (dropon.previousSibling != element) {
                var oldParentNode = element.parentNode;
                element.style.visibility = "hidden"; // fix gecko rendering
                dropon.parentNode.insertBefore(element, dropon);
                if (dropon.parentNode != oldParentNode)
                    Sortable.options(oldParentNode).onChange(element);
                Sortable.options(dropon.parentNode).onChange(element);
            }
        } else {
            Sortable.mark(dropon, 'after');
            var nextElement = dropon.nextSibling || null;
            if (nextElement != element) {
                var oldParentNode = element.parentNode;
                element.style.visibility = "hidden"; // fix gecko rendering
                dropon.parentNode.insertBefore(element, nextElement);
                if (dropon.parentNode != oldParentNode)
                    Sortable.options(oldParentNode).onChange(element);
                Sortable.options(dropon.parentNode).onChange(element);
            }
        }
    },

    onEmptyHover: function(element, dropon, overlap) {
        var oldParentNode = element.parentNode;
        var droponOptions = Sortable.options(dropon);

        if (!Element.isParent(dropon, element)) {
            var index;

            var children = Sortable.findElements(dropon, { tag: droponOptions.tag, only: droponOptions.only });
            var child = null;

            if (children) {
                var offset = Element.offsetSize(dropon, droponOptions.overlap) * (1.0 - overlap);

                for (index = 0; index < children.length; index += 1) {
                    if (offset - Element.offsetSize(children[index], droponOptions.overlap) >= 0) {
                        offset -= Element.offsetSize(children[index], droponOptions.overlap);
                    } else if (offset - (Element.offsetSize(children[index], droponOptions.overlap) / 2) >= 0) {
                        child = index + 1 < children.length ? children[index + 1] : null;
                        break;
                    } else {
                        child = children[index];
                        break;
                    }
                }
            }

            dropon.insertBefore(element, child);

            Sortable.options(oldParentNode).onChange(element);
            droponOptions.onChange(element);
        }
    },

    unmark: function() {
        if (Sortable._marker) Sortable._marker.hide();
    },

    mark: function(dropon, position) {
        // mark on ghosting only
        var sortable = Sortable.options(dropon.parentNode);
        if (sortable && !sortable.ghosting) return;

        if (!Sortable._marker) {
            Sortable._marker =
 ($('dropmarker') || Element.extend(document.createElement('DIV'))).
 hide().addClassName('dropmarker').setStyle({ position: 'absolute' });
            document.getElementsByTagName("body").item(0).appendChild(Sortable._marker);
        }
        var offsets = Position.cumulativeOffset(dropon);
        Sortable._marker.setStyle({ left: offsets[0] + 'px', top: offsets[1] + 'px' });

        if (position == 'after')
            if (sortable.overlap == 'horizontal')
            Sortable._marker.setStyle({ left: (offsets[0] + dropon.clientWidth) + 'px' });
        else
            Sortable._marker.setStyle({ top: (offsets[1] + dropon.clientHeight) + 'px' });

        Sortable._marker.show();
    },

    _tree: function(element, options, parent) {
        var children = Sortable.findElements(element, options) || [];

        for (var i = 0; i < children.length; ++i) {
            var match = children[i].id.match(options.format);

            if (!match) continue;

            var child = {
                id: encodeURIComponent(match ? match[1] : null),
                element: element,
                parent: parent,
                children: [],
                position: parent.children.length,
                container: $(children[i]).down(options.treeTag)
            }

            /* Get the element containing the children and recurse over it */
            if (child.container)
                this._tree(child.container, options, child)

            parent.children.push(child);
        }

        return parent;
    },

    tree: function(element) {
        element = $(element);
        var sortableOptions = this.options(element);
        var options = Object.extend({
            tag: sortableOptions.tag,
            treeTag: sortableOptions.treeTag,
            only: sortableOptions.only,
            name: element.id,
            format: sortableOptions.format
        }, arguments[1] || {});

        var root = {
            id: null,
            parent: null,
            children: [],
            container: element,
            position: 0
        }

        return Sortable._tree(element, options, root);
    },

    /* Construct a [i] index for a particular node */
    _constructIndex: function(node) {
        var index = '';
        do {
            if (node.id) index = '[' + node.position + ']' + index;
        } while ((node = node.parent) != null);
        return index;
    },

    sequence: function(element) {
        element = $(element);
        var options = Object.extend(this.options(element), arguments[1] || {});

        return $(this.findElements(element, options) || []).map(function(item) {
            return item.id.match(options.format) ? item.id.match(options.format)[1] : '';
        });
    },

    setSequence: function(element, new_sequence) {
        element = $(element);
        var options = Object.extend(this.options(element), arguments[2] || {});

        var nodeMap = {};
        this.findElements(element, options).each(function(n) {
            if (n.id.match(options.format))
                nodeMap[n.id.match(options.format)[1]] = [n, n.parentNode];
            n.parentNode.removeChild(n);
        });

        new_sequence.each(function(ident) {
            var n = nodeMap[ident];
            if (n) {
                n[1].appendChild(n[0]);
                delete nodeMap[ident];
            }
        });
    },

    serialize: function(element) {
        element = $(element);
        var options = Object.extend(Sortable.options(element), arguments[1] || {});
        var name = encodeURIComponent(
 (arguments[1] && arguments[1].name) ? arguments[1].name : element.id);

        if (options.tree) {
            return Sortable.tree(element, arguments[1]).children.map(function(item) {
                return [name + Sortable._constructIndex(item) + "[id]=" +
 encodeURIComponent(item.id)].concat(item.children.map(arguments.callee));
            }).flatten().join('&');
        } else {
            return Sortable.sequence(element, arguments[1]).map(function(item) {
                return name + "[]=" + encodeURIComponent(item);
            }).join('&');
        }
    }
}

// Returns true if child is contained within element
Element.isParent = function(child, element) {
    if (!child.parentNode || child == element) return false;
    if (child.parentNode == element) return true;
    return Element.isParent(child.parentNode, element);
}

Element.findChildren = function(element, only, recursive, tagName) {
    if (!element.hasChildNodes()) return null;
    tagName = tagName.toUpperCase();
    if (only) only = [only].flatten();
    var elements = [];
    $A(element.childNodes).each(function(e) {
        if (e.tagName && e.tagName.toUpperCase() == tagName &&
 (!only || (Element.classNames(e).detect(function(v) { return only.include(v) }))))
            elements.push(e);
        if (recursive) {
            var grandchildren = Element.findChildren(e, only, recursive, tagName);
            if (grandchildren) elements.push(grandchildren);
        }
    });

    return (elements.length > 0 ? elements.flatten() : []);
}

Element.offsetSize = function(element, type) {
    return element['offset' + ((type == 'vertical' || type == 'height') ? 'Height' : 'Width')];
}

// script.aculo.us controls.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)
// (c) 2005-2007 Ivan Krstic (http://blogs.law.harvard.edu/ivan)
// (c) 2005-2007 Jon Tirsen (http://www.tirsen.com)
// Contributors:
// Richard Livsey
// Rahul Bhargava
// Rob Wills
// 
// 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/

// Autocompleter.Base handles all the autocompletion functionality 
// that's independent of the data source for autocompletion. This
// includes drawing the autocompletion menu, observing keyboard
// and mouse events, and similar.
//
// Specific autocompleters need to provide, at the very least, 
// a getUpdatedChoices function that will be invoked every time
// the text inside the monitored textbox changes. This method 
// should get the text for which to provide autocompletion by
// invoking this.getToken(), NOT by directly accessing
// this.element.value. This is to allow incremental tokenized
// autocompletion. Specific auto-completion logic (AJAX, etc)
// belongs in getUpdatedChoices.
//
// Tokenized incremental autocompletion is enabled automatically
// when an autocompleter is instantiated with the 'tokens' option
// in the options parameter, e.g.:
// new Ajax.Autocompleter('id','upd', '/url/', { tokens: ',' });
// will incrementally autocomplete with a comma as the token.
// Additionally, ',' in the above example can be replaced with
// a token array, e.g. { tokens: [',', '\n'] } which
// enables autocompletion on multiple tokens. This is most 
// useful when one of the tokens is \n (a newline), as it 
// allows smart autocompletion after linebreaks.

if (typeof Effect == 'undefined')
    throw ("controls.js requires including script.aculo.us' effects.js library");

var Autocompleter = {}
Autocompleter.Base = function() { };
Autocompleter.Base.prototype = {
    baseInitialize: function(element, update, options) {
        element = $(element)
        this.element = element;
        this.update = $(update);
        this.hasFocus = false;
        this.changed = false;
        this.active = false;
        this.index = 0;
        this.entryCount = 0;

        if (this.setOptions)
            this.setOptions(options);
        else
            this.options = options || {};

        this.options.paramName = this.options.paramName || this.element.name;
        this.options.tokens = this.options.tokens || [];
        this.options.frequency = this.options.frequency || 0.4;
        this.options.minChars = this.options.minChars || 1;
        this.options.onShow = this.options.onShow ||
 function(element, update) {
     if (!update.style.position || update.style.position == 'absolute') {
         update.style.position = 'absolute';
         Position.clone(element, update, {
             setHeight: false,
             offsetTop: element.offsetHeight
         });
     }
     Effect.Appear(update, { duration: 0.15 });
 };
        this.options.onHide = this.options.onHide ||
 function(element, update) { new Effect.Fade(update, { duration: 0.15 }) };

        if (typeof (this.options.tokens) == 'string')
            this.options.tokens = new Array(this.options.tokens);

        this.observer = null;

        this.element.setAttribute('autocomplete', 'off');

        Element.hide(this.update);

        Event.observe(this.element, 'blur', this.onBlur.bindAsEventListener(this));
        Event.observe(this.element, 'keypress', this.onKeyPress.bindAsEventListener(this));

        // Turn autocomplete back on when the user leaves the page, so that the
        // field's value will be remembered on Mozilla-based browsers.
        Event.observe(window, 'beforeunload', function() {
            element.setAttribute('autocomplete', 'on');
        });
    },

    show: function() {
        if (Element.getStyle(this.update, 'display') == 'none') this.options.onShow(this.element, this.update);
        if (!this.iefix &&
 (Prototype.Browser.IE) &&
 (Element.getStyle(this.update, 'position') == 'absolute')) {
            new Insertion.After(this.update,
 '<iframe id="' + this.update.id + '_iefix" ' +
 'style="display:none;position:absolute;filter:progid:DXImageTransform.Microsoft.Alpha(opacity=0);" ' +
 'src="javascript:false;" frameborder="0" scrolling="no"></iframe>');
            this.iefix = $(this.update.id + '_iefix');
        }
        if (this.iefix) setTimeout(this.fixIEOverlapping.bind(this), 50);
    },

    fixIEOverlapping: function() {
        Position.clone(this.update, this.iefix, { setTop: (!this.update.style.height) });
        this.iefix.style.zIndex = 1;
        this.update.style.zIndex = 2;
        Element.show(this.iefix);
    },

    hide: function() {
        this.stopIndicator();
        if (Element.getStyle(this.update, 'display') != 'none') this.options.onHide(this.element, this.update);
        if (this.iefix) Element.hide(this.iefix);
    },

    startIndicator: function() {
        if (this.options.indicator) Element.show(this.options.indicator);
    },

    stopIndicator: function() {
        if (this.options.indicator) Element.hide(this.options.indicator);
    },

    onKeyPress: function(event) {
        if (this.active)
            switch (event.keyCode) {
            case Event.KEY_TAB:
            case Event.KEY_RETURN:
                this.selectEntry();
                Event.stop(event);
            case Event.KEY_ESC:
                this.hide();
                this.active = false;
                Event.stop(event);
                return;
            case Event.KEY_LEFT:
            case Event.KEY_RIGHT:
                return;
            case Event.KEY_UP:
                this.markPrevious();
                this.render();
                if (Prototype.Browser.WebKit) Event.stop(event);
                return;
            case Event.KEY_DOWN:
                this.markNext();
                this.render();
                if (Prototype.Browser.WebKit) Event.stop(event);
                return;
        }
        else
            if (event.keyCode == Event.KEY_TAB || event.keyCode == Event.KEY_RETURN ||
 (Prototype.Browser.WebKit > 0 && event.keyCode == 0)) return;

        this.changed = true;
        this.hasFocus = true;

        if (this.observer) clearTimeout(this.observer);
        this.observer =
 setTimeout(this.onObserverEvent.bind(this), this.options.frequency * 1000);
    },

    activate: function() {
        this.changed = false;
        this.hasFocus = true;
        this.getUpdatedChoices();
    },

    onHover: function(event) {
        var element = Event.findElement(event, 'LI');
        if (this.index != element.autocompleteIndex) {
            this.index = element.autocompleteIndex;
            this.render();
        }
        Event.stop(event);
    },

    onClick: function(event) {
        var element = Event.findElement(event, 'LI');
        this.index = element.autocompleteIndex;
        this.selectEntry();
        this.hide();
    },

    onBlur: function(event) {
        // needed to make click events working
        setTimeout(this.hide.bind(this), 250);
        this.hasFocus = false;
        this.active = false;
    },

    render: function() {
        if (this.entryCount > 0) {
            for (var i = 0; i < this.entryCount; i++)
                this.index == i ?
 Element.addClassName(this.getEntry(i), "selected") :
 Element.removeClassName(this.getEntry(i), "selected");
            if (this.hasFocus) {
                this.show();
                this.active = true;
            }
        } else {
            this.active = false;
            this.hide();
        }
    },

    markPrevious: function() {
        if (this.index > 0) this.index--
        else this.index = this.entryCount - 1;
        this.getEntry(this.index).scrollIntoView(true);
    },

    markNext: function() {
        if (this.index < this.entryCount - 1) this.index++
        else this.index = 0;
        this.getEntry(this.index).scrollIntoView(false);
    },

    getEntry: function(index) {
        return this.update.firstChild.childNodes[index];
    },

    getCurrentEntry: function() {
        return this.getEntry(this.index);
    },

    selectEntry: function() {
        this.active = false;
        this.updateElement(this.getCurrentEntry());
    },

    updateElement: function(selectedElement) {
        if (this.options.updateElement) {
            this.options.updateElement(selectedElement);
            return;
        }
        var value = '';
        if (this.options.select) {
            var nodes = document.getElementsByClassName(this.options.select, selectedElement) || [];
            if (nodes.length > 0) value = Element.collectTextNodes(nodes[0], this.options.select);
        } else
            value = Element.collectTextNodesIgnoreClass(selectedElement, 'informal');

        var lastTokenPos = this.findLastToken();
        if (lastTokenPos != -1) {
            var newValue = this.element.value.substr(0, lastTokenPos + 1);
            var whitespace = this.element.value.substr(lastTokenPos + 1).match(/^\s+/);
            if (whitespace)
                newValue += whitespace[0];
            this.element.value = newValue + value;
        } else {
            this.element.value = value;
        }
        this.element.focus();

        if (this.options.afterUpdateElement)
            this.options.afterUpdateElement(this.element, selectedElement);
    },

    updateChoices: function(choices) {
        if (!this.changed && this.hasFocus) {
            this.update.innerHTML = choices;
            Element.cleanWhitespace(this.update);
            Element.cleanWhitespace(this.update.down());

            if (this.update.firstChild && this.update.down().childNodes) {
                this.entryCount =
 this.update.down().childNodes.length;
                for (var i = 0; i < this.entryCount; i++) {
                    var entry = this.getEntry(i);
                    entry.autocompleteIndex = i;
                    this.addObservers(entry);
                }
            } else {
                this.entryCount = 0;
            }

            this.stopIndicator();
            this.index = 0;

            if (this.entryCount == 1 && this.options.autoSelect) {
                this.selectEntry();
                this.hide();
            } else {
                this.render();
            }
        }
    },

    addObservers: function(element) {
        Event.observe(element, "mouseover", this.onHover.bindAsEventListener(this));
        Event.observe(element, "click", this.onClick.bindAsEventListener(this));
    },

    onObserverEvent: function() {
        this.changed = false;
        if (this.getToken().length >= this.options.minChars) {
            this.getUpdatedChoices();
        } else {
            this.active = false;
            this.hide();
        }
    },

    getToken: function() {
        var tokenPos = this.findLastToken();
        if (tokenPos != -1)
            var ret = this.element.value.substr(tokenPos + 1).replace(/^\s+/, '').replace(/\s+$/, '');
        else
            var ret = this.element.value;

        return /\n/.test(ret) ? '' : ret;
    },

    findLastToken: function() {
        var lastTokenPos = -1;

        for (var i = 0; i < this.options.tokens.length; i++) {
            var thisTokenPos = this.element.value.lastIndexOf(this.options.tokens[i]);
            if (thisTokenPos > lastTokenPos)
                lastTokenPos = thisTokenPos;
        }
        return lastTokenPos;
    }
}

Ajax.Autocompleter = Class.create();
Object.extend(Object.extend(Ajax.Autocompleter.prototype, Autocompleter.Base.prototype), {
    initialize: function(element, update, url, options) {
        this.baseInitialize(element, update, options);
        this.options.asynchronous = true;
        this.options.onComplete = this.onComplete.bind(this);
        this.options.defaultParams = this.options.parameters || null;
        this.url = url;
    },

    getUpdatedChoices: function() {
        this.startIndicator();

        var entry = encodeURIComponent(this.options.paramName) + '=' +
 encodeURIComponent(this.getToken());

        this.options.parameters = this.options.callback ?
 this.options.callback(this.element, entry) : entry;

        if (this.options.defaultParams)
            this.options.parameters += '&' + this.options.defaultParams;

        new Ajax.Request(this.url, this.options);
    },

    onComplete: function(request) {
        this.updateChoices(request.responseText);
    }

});

// The local array autocompleter. Used when you'd prefer to
// inject an array of autocompletion options into the page, rather
// than sending out Ajax queries, which can be quite slow sometimes.
//
// The constructor takes four parameters. The first two are, as usual,
// the id of the monitored textbox, and id of the autocompletion menu.
// The third is the array you want to autocomplete from, and the fourth
// is the options block.
//
// Extra local autocompletion options:
// - choices - How many autocompletion choices to offer
//
// - partialSearch - If false, the autocompleter will match entered
// text only at the beginning of strings in the 
// autocomplete array. Defaults to true, which will
// match text at the beginning of any *word* in the
// strings in the autocomplete array. If you want to
// search anywhere in the string, additionally set
// the option fullSearch to true (default: off).
//
// - fullSsearch - Search anywhere in autocomplete array strings.
//
// - partialChars - How many characters to enter before triggering
// a partial match (unlike minChars, which defines
// how many characters are required to do any match
// at all). Defaults to 2.
//
// - ignoreCase - Whether to ignore case when autocompleting.
// Defaults to true.
//
// It's possible to pass in a custom function as the 'selector' 
// option, if you prefer to write your own autocompletion logic.
// In that case, the other options above will not apply unless
// you support them.

Autocompleter.Local = Class.create();
Autocompleter.Local.prototype = Object.extend(new Autocompleter.Base(), {
    initialize: function(element, update, array, options) {
        this.baseInitialize(element, update, options);
        this.options.array = array;
    },

    getUpdatedChoices: function() {
        this.updateChoices(this.options.selector(this));
    },

    setOptions: function(options) {
        this.options = Object.extend({
            choices: 10,
            partialSearch: true,
            partialChars: 2,
            ignoreCase: true,
            fullSearch: false,
            selector: function(instance) {
                var ret = []; // Beginning matches
                var partial = []; // Inside matches
                var entry = instance.getToken();
                var count = 0;

                for (var i = 0; i < instance.options.array.length &&
 ret.length < instance.options.choices; i++) {

                    var elem = instance.options.array[i];
                    var foundPos = instance.options.ignoreCase ?
 elem.toLowerCase().indexOf(entry.toLowerCase()) :
 elem.indexOf(entry);

                    while (foundPos != -1) {
                        if (foundPos == 0 && elem.length != entry.length) {
                            ret.push("<li><strong>" + elem.substr(0, entry.length) + "</strong>" +
 elem.substr(entry.length) + "</li>");
                            break;
                        } else if (entry.length >= instance.options.partialChars &&
 instance.options.partialSearch && foundPos != -1) {
                            if (instance.options.fullSearch || /\s/.test(elem.substr(foundPos - 1, 1))) {
                                partial.push("<li>" + elem.substr(0, foundPos) + "<strong>" +
 elem.substr(foundPos, entry.length) + "</strong>" + elem.substr(
 foundPos + entry.length) + "</li>");
                                break;
                            }
                        }

                        foundPos = instance.options.ignoreCase ?
 elem.toLowerCase().indexOf(entry.toLowerCase(), foundPos + 1) :
 elem.indexOf(entry, foundPos + 1);

                    }
                }
                if (partial.length)
                    ret = ret.concat(partial.slice(0, instance.options.choices - ret.length))
                return "<ul>" + ret.join('') + "</ul>";
            }
        }, options || {});
    }
});

// AJAX in-place editor
//
// see documentation on http://wiki.script.aculo.us/scriptaculous/show/Ajax.InPlaceEditor

// Use this if you notice weird scrolling problems on some browsers,
// the DOM might be a bit confused when this gets called so do this
// waits 1 ms (with setTimeout) until it does the activation
Field.scrollFreeActivate = function(field) {
    setTimeout(function() {
        Field.activate(field);
    }, 1);
}

Ajax.InPlaceEditor = Class.create();
Ajax.InPlaceEditor.defaultHighlightColor = "#FFFF99";
Ajax.InPlaceEditor.prototype = {
    initialize: function(element, url, options) {
        this.url = url;
        this.element = $(element);

        this.options = Object.extend({
            paramName: "value",
            okButton: true,
            okLink: false,
            okText: "ok",
            cancelButton: false,
            cancelLink: true,
            cancelText: "cancel",
            textBeforeControls: '',
            textBetweenControls: '',
            textAfterControls: '',
            savingText: "Saving...",
            clickToEditText: "Click to edit",
            okText: "ok",
            rows: 1,
            onComplete: function(transport, element) {
                new Effect.Highlight(element, { startcolor: this.options.highlightcolor });
            },
            onFailure: function(transport) {
                alert("Error communicating with the server: " + transport.responseText.stripTags());
            },
            callback: function(form) {
                return Form.serialize(form);
            },
            handleLineBreaks: true,
            loadingText: 'Loading...',
            savingClassName: 'inplaceeditor-saving',
            loadingClassName: 'inplaceeditor-loading',
            formClassName: 'inplaceeditor-form',
            highlightcolor: Ajax.InPlaceEditor.defaultHighlightColor,
            highlightendcolor: "#FFFFFF",
            externalControl: null,
            submitOnBlur: false,
            ajaxOptions: {},
            evalScripts: false
        }, options || {});

        if (!this.options.formId && this.element.id) {
            this.options.formId = this.element.id + "-inplaceeditor";
            if ($(this.options.formId)) {
                // there's already a form with that name, don't specify an id
                this.options.formId = null;
            }
        }

        if (this.options.externalControl) {
            this.options.externalControl = $(this.options.externalControl);
        }

        this.originalBackground = Element.getStyle(this.element, 'background-color');
        if (!this.originalBackground) {
            this.originalBackground = "transparent";
        }

        this.element.title = this.options.clickToEditText;

        this.onclickListener = this.enterEditMode.bindAsEventListener(this);
        this.mouseoverListener = this.enterHover.bindAsEventListener(this);
        this.mouseoutListener = this.leaveHover.bindAsEventListener(this);
        Event.observe(this.element, 'click', this.onclickListener);
        Event.observe(this.element, 'mouseover', this.mouseoverListener);
        Event.observe(this.element, 'mouseout', this.mouseoutListener);
        if (this.options.externalControl) {
            Event.observe(this.options.externalControl, 'click', this.onclickListener);
            Event.observe(this.options.externalControl, 'mouseover', this.mouseoverListener);
            Event.observe(this.options.externalControl, 'mouseout', this.mouseoutListener);
        }
    },
    enterEditMode: function(evt) {
        if (this.saving) return;
        if (this.editing) return;
        this.editing = true;
        this.onEnterEditMode();
        if (this.options.externalControl) {
            Element.hide(this.options.externalControl);
        }
        Element.hide(this.element);
        this.createForm();
        this.element.parentNode.insertBefore(this.form, this.element);
        if (!this.options.loadTextURL) Field.scrollFreeActivate(this.editField);
        // stop the event to avoid a page refresh in Safari
        if (evt) {
            Event.stop(evt);
        }
        return false;
    },
    createForm: function() {
        this.form = document.createElement("form");
        this.form.id = this.options.formId;
        Element.addClassName(this.form, this.options.formClassName)
        this.form.onsubmit = this.onSubmit.bind(this);

        this.createEditField();

        if (this.options.textarea) {
            var br = document.createElement("br");
            this.form.appendChild(br);
        }

        if (this.options.textBeforeControls)
            this.form.appendChild(document.createTextNode(this.options.textBeforeControls));

        if (this.options.okButton) {
            var okButton = document.createElement("input");
            okButton.type = "submit";
            okButton.value = this.options.okText;
            okButton.className = 'editor_ok_button';
            this.form.appendChild(okButton);
        }

        if (this.options.okLink) {
            var okLink = document.createElement("a");
            okLink.href = "#";
            okLink.appendChild(document.createTextNode(this.options.okText));
            okLink.onclick = this.onSubmit.bind(this);
            okLink.className = 'editor_ok_link';
            this.form.appendChild(okLink);
        }

        if (this.options.textBetweenControls &&
 (this.options.okLink || this.options.okButton) &&
 (this.options.cancelLink || this.options.cancelButton))
            this.form.appendChild(document.createTextNode(this.options.textBetweenControls));

        if (this.options.cancelButton) {
            var cancelButton = document.createElement("input");
            cancelButton.type = "submit";
            cancelButton.value = this.options.cancelText;
            cancelButton.onclick = this.onclickCancel.bind(this);
            cancelButton.className = 'editor_cancel_button';
            this.form.appendChild(cancelButton);
        }

        if (this.options.cancelLink) {
            var cancelLink = document.createElement("a");
            cancelLink.href = "#";
            cancelLink.appendChild(document.createTextNode(this.options.cancelText));
            cancelLink.onclick = this.onclickCancel.bind(this);
            cancelLink.className = 'editor_cancel editor_cancel_link';
            this.form.appendChild(cancelLink);
        }

        if (this.options.textAfterControls)
            this.form.appendChild(document.createTextNode(this.options.textAfterControls));
    },
    hasHTMLLineBreaks: function(string) {
        if (!this.options.handleLineBreaks) return false;
        return string.match(/<br/i) || string.match(/<p>/i);
    },
    convertHTMLLineBreaks: function(string) {
        return string.replace(/<br>/gi, "\n").replace(/<br\/>/gi, "\n").replace(/<\/p>/gi, "\n").replace(/<p>/gi, "");
    },
    createEditField: function() {
        var text;
        if (this.options.loadTextURL) {
            text = this.options.loadingText;
        } else {
            text = this.getText();
        }

        var obj = this;

        if (this.options.rows == 1 && !this.hasHTMLLineBreaks(text)) {
            this.options.textarea = false;
            var textField = document.createElement("input");
            textField.obj = this;
            textField.type = "text";
            textField.name = this.options.paramName;
            textField.value = text;
            textField.style.backgroundColor = this.options.highlightcolor;
            textField.className = 'editor_field';
            var size = this.options.size || this.options.cols || 0;
            if (size != 0) textField.size = size;
            if (this.options.submitOnBlur)
                textField.onblur = this.onSubmit.bind(this);
            this.editField = textField;
        } else {
            this.options.textarea = true;
            var textArea = document.createElement("textarea");
            textArea.obj = this;
            textArea.name = this.options.paramName;
            textArea.value = this.convertHTMLLineBreaks(text);
            textArea.rows = this.options.rows;
            textArea.cols = this.options.cols || 40;
            textArea.className = 'editor_field';
            if (this.options.submitOnBlur)
                textArea.onblur = this.onSubmit.bind(this);
            this.editField = textArea;
        }

        if (this.options.loadTextURL) {
            this.loadExternalText();
        }
        this.form.appendChild(this.editField);
    },
    getText: function() {
        return this.element.innerHTML;
    },
    loadExternalText: function() {
        Element.addClassName(this.form, this.options.loadingClassName);
        this.editField.disabled = true;
        new Ajax.Request(
 this.options.loadTextURL,
 Object.extend({
     asynchronous: true,
     onComplete: this.onLoadedExternalText.bind(this)
 }, this.options.ajaxOptions)
 );
    },
    onLoadedExternalText: function(transport) {
        Element.removeClassName(this.form, this.options.loadingClassName);
        this.editField.disabled = false;
        this.editField.value = transport.responseText.stripTags();
        Field.scrollFreeActivate(this.editField);
    },
    onclickCancel: function() {
        this.onComplete();
        this.leaveEditMode();
        return false;
    },
    onFailure: function(transport) {
        this.options.onFailure(transport);
        if (this.oldInnerHTML) {
            this.element.innerHTML = this.oldInnerHTML;
            this.oldInnerHTML = null;
        }
        return false;
    },
    onSubmit: function() {
        // onLoading resets these so we need to save them away for the Ajax call
        var form = this.form;
        var value = this.editField.value;

        // do this first, sometimes the ajax call returns before we get a chance to switch on Saving...
        // which means this will actually switch on Saving... *after* we've left edit mode causing Saving...
        // to be displayed indefinitely
        this.onLoading();

        if (this.options.evalScripts) {
            new Ajax.Request(
 this.url, Object.extend({
     parameters: this.options.callback(form, value),
     onComplete: this.onComplete.bind(this),
     onFailure: this.onFailure.bind(this),
     asynchronous: true,
     evalScripts: true
 }, this.options.ajaxOptions));
        } else {
            new Ajax.Updater(
 { success: this.element,
     // don't update on failure (this could be an option)
     failure: null
 },
 this.url, Object.extend({
     parameters: this.options.callback(form, value),
     onComplete: this.onComplete.bind(this),
     onFailure: this.onFailure.bind(this)
 }, this.options.ajaxOptions));
        }
        // stop the event to avoid a page refresh in Safari
        if (arguments.length > 1) {
            Event.stop(arguments[0]);
        }
        return false;
    },
    onLoading: function() {
        this.saving = true;
        this.removeForm();
        this.leaveHover();
        this.showSaving();
    },
    showSaving: function() {
        this.oldInnerHTML = this.element.innerHTML;
        this.element.innerHTML = this.options.savingText;
        Element.addClassName(this.element, this.options.savingClassName);
        this.element.style.backgroundColor = this.originalBackground;
        Element.show(this.element);
    },
    removeForm: function() {
        if (this.form) {
            if (this.form.parentNode) Element.remove(this.form);
            this.form = null;
        }
    },
    enterHover: function() {
        if (this.saving) return;
        this.element.style.backgroundColor = this.options.highlightcolor;
        if (this.effect) {
            this.effect.cancel();
        }
        Element.addClassName(this.element, this.options.hoverClassName)
    },
    leaveHover: function() {
        if (this.options.backgroundColor) {
            this.element.style.backgroundColor = this.oldBackground;
        }
        Element.removeClassName(this.element, this.options.hoverClassName)
        if (this.saving) return;
        this.effect = new Effect.Highlight(this.element, {
            startcolor: this.options.highlightcolor,
            endcolor: this.options.highlightendcolor,
            restorecolor: this.originalBackground
        });
    },
    leaveEditMode: function() {
        Element.removeClassName(this.element, this.options.savingClassName);
        this.removeForm();
        this.leaveHover();
        this.element.style.backgroundColor = this.originalBackground;
        Element.show(this.element);
        if (this.options.externalControl) {
            Element.show(this.options.externalControl);
        }
        this.editing = false;
        this.saving = false;
        this.oldInnerHTML = null;
        this.onLeaveEditMode();
    },
    onComplete: function(transport) {
        this.leaveEditMode();
        this.options.onComplete.bind(this)(transport, this.element);
    },
    onEnterEditMode: function() { },
    onLeaveEditMode: function() { },
    dispose: function() {
        if (this.oldInnerHTML) {
            this.element.innerHTML = this.oldInnerHTML;
        }
        this.leaveEditMode();
        Event.stopObserving(this.element, 'click', this.onclickListener);
        Event.stopObserving(this.element, 'mouseover', this.mouseoverListener);
        Event.stopObserving(this.element, 'mouseout', this.mouseoutListener);
        if (this.options.externalControl) {
            Event.stopObserving(this.options.externalControl, 'click', this.onclickListener);
            Event.stopObserving(this.options.externalControl, 'mouseover', this.mouseoverListener);
            Event.stopObserving(this.options.externalControl, 'mouseout', this.mouseoutListener);
        }
    }
};

Ajax.InPlaceCollectionEditor = Class.create();
Object.extend(Ajax.InPlaceCollectionEditor.prototype, Ajax.InPlaceEditor.prototype);
Object.extend(Ajax.InPlaceCollectionEditor.prototype, {
    createEditField: function() {
        if (!this.cached_selectTag) {
            var selectTag = document.createElement("select");
            var collection = this.options.collection || [];
            var optionTag;
            collection.each(function(e, i) {
                optionTag = document.createElement("option");
                optionTag.value = (e instanceof Array) ? e[0] : e;
                if ((typeof this.options.value == 'undefined') &&
 ((e instanceof Array) ? this.element.innerHTML == e[1] : e == optionTag.value)) optionTag.selected = true;
                if (this.options.value == optionTag.value) optionTag.selected = true;
                optionTag.appendChild(document.createTextNode((e instanceof Array) ? e[1] : e));
                selectTag.appendChild(optionTag);
            } .bind(this));
            this.cached_selectTag = selectTag;
        }

        this.editField = this.cached_selectTag;
        if (this.options.loadTextURL) this.loadExternalText();
        this.form.appendChild(this.editField);
        this.options.callback = function(form, value) {
            return "value=" + encodeURIComponent(value);
        }
    }
});

// Delayed observer, like Form.Element.Observer, 
// but waits for delay after last key input
// Ideal for live-search fields

Form.Element.DelayedObserver = Class.create();
Form.Element.DelayedObserver.prototype = {
    initialize: function(element, delay, callback) {
        this.delay = delay || 0.5;
        this.element = $(element);
        this.callback = callback;
        this.timer = null;
        this.lastValue = $F(this.element);
        Event.observe(this.element, 'keyup', this.delayedListener.bindAsEventListener(this));
    },
    delayedListener: function(event) {
        if (this.lastValue == $F(this.element)) return;
        if (this.timer) clearTimeout(this.timer);
        this.timer = setTimeout(this.onTimerEvent.bind(this), this.delay * 1000);
        this.lastValue = $F(this.element);
    },
    onTimerEvent: function() {
        this.timer = null;
        this.callback(this.element, $F(this.element));
    }
};

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

// Copyright (c) 2005-2007 Marty Haught, Thomas Fuchs
//
// 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/

if (!Control) var Control = {};
Control.Slider = Class.create();

// options:
// axis: 'vertical', or 'horizontal' (default)
//
// callbacks:
// onChange(value)
// onSlide(value)
Control.Slider.prototype = {
    initialize: function(handle, track, options) {
        var slider = this;

        if (handle instanceof Array) {
            this.handles = handle.collect(function(e) { return $(e) });
        } else {
            this.handles = [$(handle)];
        }

        this.track = $(track);
        this.options = options || {};

        this.axis = this.options.axis || 'horizontal';
        this.increment = this.options.increment || 1;
        this.step = parseInt(this.options.step || '1');
        this.range = this.options.range || $R(0, 1);

        this.value = 0; // assure backwards compat
        this.values = this.handles.map(function() { return 0 });
        this.spans = this.options.spans ? this.options.spans.map(function(s) { return $(s) }) : false;
        this.options.startSpan = $(this.options.startSpan || null);
        this.options.endSpan = $(this.options.endSpan || null);

        this.restricted = this.options.restricted || false;

        this.maximum = this.options.maximum || this.range.end;
        this.minimum = this.options.minimum || this.range.start;

        // Will be used to align the handle onto the track, if necessary
        this.alignX = parseInt(this.options.alignX || '0');
        this.alignY = parseInt(this.options.alignY || '0');

        this.trackLength = this.maximumOffset() - this.minimumOffset();

        this.handleLength = this.isVertical() ?
 (this.handles[0].offsetHeight != 0 ?
 this.handles[0].offsetHeight : this.handles[0].style.height.replace(/px$/, "")) :
 (this.handles[0].offsetWidth != 0 ? this.handles[0].offsetWidth :
 this.handles[0].style.width.replace(/px$/, ""));

        this.active = false;
        this.dragging = false;
        this.disabled = false;

        if (this.options.disabled) this.setDisabled();

        // Allowed values array
        this.allowedValues = this.options.values ? this.options.values.sortBy(Prototype.K) : false;
        if (this.allowedValues) {
            this.minimum = this.allowedValues.min();
            this.maximum = this.allowedValues.max();
        }

        this.eventMouseDown = this.startDrag.bindAsEventListener(this);
        this.eventMouseUp = this.endDrag.bindAsEventListener(this);
        this.eventMouseMove = this.update.bindAsEventListener(this);

        // Initialize handles in reverse (make sure first handle is active)
        this.handles.each(function(h, i) {
            i = slider.handles.length - 1 - i;
            slider.setValue(parseFloat(
 (slider.options.sliderValue instanceof Array ?
 slider.options.sliderValue[i] : slider.options.sliderValue) ||
 slider.range.start), i);
            Element.makePositioned(h); // fix IE
            Event.observe(h, "mousedown", slider.eventMouseDown);
        });

        Event.observe(this.track, "mousedown", this.eventMouseDown);
        Event.observe(document, "mouseup", this.eventMouseUp);
        Event.observe(this.track.parentNode.parentNode, "mousemove", this.eventMouseMove);

        this.initialized = true;
    },
    dispose: function() {
        var slider = this;
        Event.stopObserving(this.track, "mousedown", this.eventMouseDown);
        Event.stopObserving(document, "mouseup", this.eventMouseUp);
        Event.stopObserving(this.track.parentNode.parentNode, "mousemove", this.eventMouseMove);
        this.handles.each(function(h) {
            Event.stopObserving(h, "mousedown", slider.eventMouseDown);
        });
    },
    setDisabled: function() {
        this.disabled = true;
    },
    setEnabled: function() {
        this.disabled = false;
    },
    getNearestValue: function(value) {
        if (this.allowedValues) {
            if (value >= this.allowedValues.max()) return (this.allowedValues.max());
            if (value <= this.allowedValues.min()) return (this.allowedValues.min());

            var offset = Math.abs(this.allowedValues[0] - value);
            var newValue = this.allowedValues[0];
            this.allowedValues.each(function(v) {
                var currentOffset = Math.abs(v - value);
                if (currentOffset <= offset) {
                    newValue = v;
                    offset = currentOffset;
                }
            });
            return newValue;
        }
        if (value > this.range.end) return this.range.end;
        if (value < this.range.start) return this.range.start;
        return value;
    },
    setValue: function(sliderValue, handleIdx) {
        if (!this.active) {
            this.activeHandleIdx = handleIdx || 0;
            this.activeHandle = this.handles[this.activeHandleIdx];
            this.updateStyles();
        }
        handleIdx = handleIdx || this.activeHandleIdx || 0;
        if (this.initialized && this.restricted) {
            if ((handleIdx > 0) && (sliderValue < this.values[handleIdx - 1]))
                sliderValue = this.values[handleIdx - 1];
            if ((handleIdx < (this.handles.length - 1)) && (sliderValue > this.values[handleIdx + 1]))
                sliderValue = this.values[handleIdx + 1];
        }
        sliderValue = this.getNearestValue(sliderValue);
        this.values[handleIdx] = sliderValue;
        this.value = this.values[0]; // assure backwards compat

        this.handles[handleIdx].style[this.isVertical() ? 'top' : 'left'] =
 this.translateToPx(sliderValue);

        this.drawSpans();
        if (!this.dragging || !this.event) this.updateFinished();
    },
    setValueBy: function(delta, handleIdx) {
        this.setValue(this.values[handleIdx || this.activeHandleIdx || 0] + delta,
 handleIdx || this.activeHandleIdx || 0);
    },
    translateToPx: function(value) {
        return Math.round(
 ((this.trackLength - this.handleLength) / (this.range.end - this.range.start)) *
 (value - this.range.start)) + "px";
    },
    translateToValue: function(offset) {
        return ((offset / (this.trackLength - this.handleLength) *
 (this.range.end - this.range.start)) + this.range.start);
    },
    getRange: function(range) {
        var v = this.values.sortBy(Prototype.K);
        range = range || 0;
        return $R(v[range], v[range + 1]);
    },
    minimumOffset: function() {
        return (this.isVertical() ? this.alignY : this.alignX);
    },
    maximumOffset: function() {
        return (this.isVertical() ?
 (this.track.offsetHeight != 0 ? this.track.offsetHeight :
 this.track.style.height.replace(/px$/, "")) - this.alignY :
 (this.track.offsetWidth != 0 ? this.track.offsetWidth :
 this.track.style.width.replace(/px$/, "")) - this.alignY);
    },
    isVertical: function() {
        return (this.axis == 'vertical');
    },
    drawSpans: function() {
        var slider = this;
        if (this.spans)
            $R(0, this.spans.length - 1).each(function(r) { slider.setSpan(slider.spans[r], slider.getRange(r)) });
        if (this.options.startSpan)
            this.setSpan(this.options.startSpan,
 $R(0, this.values.length > 1 ? this.getRange(0).min() : this.value));
        if (this.options.endSpan)
            this.setSpan(this.options.endSpan,
 $R(this.values.length > 1 ? this.getRange(this.spans.length - 1).max() : this.value, this.maximum));
    },
    setSpan: function(span, range) {
        if (this.isVertical()) {
            span.style.top = this.translateToPx(range.start);
            span.style.height = this.translateToPx(range.end - range.start + this.range.start);
        } else {
            span.style.left = this.translateToPx(range.start);
            span.style.width = this.translateToPx(range.end - range.start + this.range.start);
        }
    },
    updateStyles: function() {
        this.handles.each(function(h) { Element.removeClassName(h, 'selected') });
        Element.addClassName(this.activeHandle, 'selected');
    },
    startDrag: function(event) {
        if (Event.isLeftClick(event)) {
            if (!this.disabled) {
                this.active = true;

                var handle = Event.element(event);
                var pointer = [Event.pointerX(event), Event.pointerY(event)];
                var track = handle;
                if (track == this.track) {
                    var offsets = Position.cumulativeOffset(this.track);
                    this.event = event;
                    this.setValue(this.translateToValue(
 (this.isVertical() ? pointer[1] - offsets[1] : pointer[0] - offsets[0]) - (this.handleLength / 2)
 ));
                    var offsets = Position.cumulativeOffset(this.activeHandle);
                    this.offsetX = (pointer[0] - offsets[0]);
                    this.offsetY = (pointer[1] - offsets[1]);
                } else {
                    // find the handle (prevents issues with Safari)
                    while ((this.handles.indexOf(handle) == -1) && handle.parentNode)
                        handle = handle.parentNode;

                    if (this.handles.indexOf(handle) != -1) {
                        this.activeHandle = handle;
                        this.activeHandleIdx = this.handles.indexOf(this.activeHandle);
                        this.updateStyles();

                        var offsets = Position.cumulativeOffset(this.activeHandle);
                        this.offsetX = (pointer[0] - offsets[0]);
                        this.offsetY = (pointer[1] - offsets[1]);
                    }
                }
            }
            Event.stop(event);
        }
    },
    update: function(event) {
        if (this.active) {
            if (!this.dragging) this.dragging = true;
            this.draw(event);
            if (Prototype.Browser.WebKit) window.scrollBy(0, 0);
            Event.stop(event);
        }
    },
    draw: function(event) {
        var pointer = [Event.pointerX(event), Event.pointerY(event)];
        var offsets = Position.cumulativeOffset(this.track);
        pointer[0] -= this.offsetX + offsets[0];
        pointer[1] -= this.offsetY + offsets[1];
        this.event = event;
        this.setValue(this.translateToValue(this.isVertical() ? pointer[1] : pointer[0]));
        if (this.initialized && this.options.onSlide)
            this.options.onSlide(this.values.length > 1 ? this.values : this.value, this);
    },
    endDrag: function(event) {
        if (this.active && this.dragging) {
            this.finishDrag(event, true);
            Event.stop(event);
        }
        this.active = false;
        this.dragging = false;
    },
    finishDrag: function(event, success) {
        this.active = false;
        this.dragging = false;
        this.updateFinished();
    },
    updateFinished: function() {
        if (this.initialized && this.options.onChange)
            this.options.onChange(this.values.length > 1 ? this.values : this.value, this);
        this.event = null;
    }
}
/**
* Magento
*
* NOTICE OF LICENSE
*
* This source file is subject to the Academic Free License (AFL 3.0)
* that is bundled with this package in the file LICENSE_AFL.txt.
* It is also available through the world-wide-web at this URL:
* http://opensource.org/licenses/afl-3.0.php
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@magentocommerce.com so we can send you a copy immediately.
*
* DISCLAIMER
*
* Do not edit or add to this file if you wish to upgrade Magento to newer
* versions in the future. If you wish to customize Magento for your
* needs please refer to http://www.magentocommerce.com for more information.
*
* @copyright Copyright (c) 2008 Irubin Consulting Inc. DBA Varien (http://www.varien.com)
* @license http://opensource.org/licenses/afl-3.0.php Academic Free License (AFL 3.0)
*/
function popWin(url, win, para) {
    var win = window.open(url, win, para);
    win.focus();
}

function setLocation(url) {
    window.location.href = url;
}

function setPLocation(url, setFocus) {
    if (setFocus) {
        window.opener.focus();
    }
    window.opener.location.href = url;
}

function setLanguageCode(code, fromCode) {
    //TODO: javascript cookies have different domain and path than php cookies
    var href = window.location.href;
    var after = '', dash;
    if (dash = href.match(/\#(.*)$/)) {
        href = href.replace(/\#(.*)$/, '');
        after = dash[0];
    }

    if (href.match(/[?]/)) {
        var re = /([?&]store=)[a-z0-9_]*/;
        if (href.match(re)) {
            href = href.replace(re, '$1' + code);
        } else {
            href += '&store=' + code;
        }

        var re = /([?&]from_store=)[a-z0-9_]*/;
        if (href.match(re)) {
            href = href.replace(re, '');
        }
    } else {
        href += '?store=' + code;
    }
    if (typeof (fromCode) != 'undefined') {
        href += '&from_store=' + fromCode;
    }
    href += after;

    setLocation(href);
}

/**
* Add classes to specified elements.
* Supported classes are: 'odd', 'even', 'first', 'last'
*
* @param elements - array of elements to be decorated
* [@param decorateParams] - array of classes to be set. If omitted, all available will be used
*/
function decorateGeneric(elements, decorateParams) {
    var allSupportedParams = ['odd', 'even', 'first', 'last'];
    var _decorateParams = {};
    var total = elements.length;

    if (total) {
        // determine params called
        if (typeof (decorateParams) == 'undefined') {
            decorateParams = allSupportedParams;
        }
        if (!decorateParams.length) {
            return;
        }
        for (var k in allSupportedParams) {
            _decorateParams[allSupportedParams[k]] = false;
        }
        for (var k in decorateParams) {
            _decorateParams[decorateParams[k]] = true;
        }

        // decorate elements
        // elements[0].addClassName('first'); // will cause bug in IE (#5587)
        if (_decorateParams.first) {
            Element.addClassName(elements[0], 'first');
        }
        if (_decorateParams.last) {
            Element.addClassName(elements[total - 1], 'last');
        }
        for (var i = 0; i < total; i++) {
            if ((i + 1) % 2 == 0) {
                if (_decorateParams.even) {
                    Element.addClassName(elements[i], 'even');
                }
            }
            else {
                if (_decorateParams.odd) {
                    Element.addClassName(elements[i], 'odd');
                }
            }
        }
    }
}

/**
* Decorate table rows and cells, tbody etc
* @see decorateGeneric()
*/
function decorateTable(table, options) {
    var table = $(table);
    if (table) {
        // set default options
        var _options = {
            'tbody': false,
            'tbody tr': ['odd', 'even', 'first', 'last'],
            'thead tr': ['first', 'last'],
            'tfoot tr': ['first', 'last'],
            'tr td': ['last']
        };
        // overload options
        if (typeof (options) != 'undefined') {
            for (var k in options) {
                _options[k] = options[k];
            }
        }
        // decorate
        if (_options['tbody']) {
            decorateGeneric(table.select('tbody'), _options['tbody']);
        }
        if (_options['tbody tr']) {
            decorateGeneric(table.select('tbody tr'), _options['tbody tr']);
        }
        if (_options['thead tr']) {
            decorateGeneric(table.select('thead tr'), _options['thead tr']);
        }
        if (_options['tfoot tr']) {
            decorateGeneric(table.select('tfoot tr'), _options['tfoot tr']);
        }
        if (_options['tr td']) {
            var allRows = table.select('tr');
            if (allRows.length) {
                for (var i = 0; i < allRows.length; i++) {
                    decorateGeneric(allRows[i].getElementsByTagName('TD'), _options['tr td']);
                }
            }
        }
    }
}

/**
* Set "odd", "even" and "last" CSS classes for list items
* @see decorateGeneric()
*/
function decorateList(list, nonRecursive) {
    if ($(list)) {
        if (typeof (nonRecursive) == 'undefined') {
            var items = $(list).select('li')
        }
        else {
            var items = $(list).childElements();
        }
        decorateGeneric(items, ['odd', 'even', 'last']);
    }
}

/**
* Set "odd", "even" and "last" CSS classes for list items
* @see decorateGeneric()
*/
function decorateDataList(list) {
    list = $(list);
    if (list) {
        decorateGeneric(list.select('dt'), ['odd', 'even', 'last']);
        decorateGeneric(list.select('dd'), ['odd', 'even', 'last']);
    }
}

/**
* Formats currency using patern
* format - JSON (pattern, decimal, decimalsDelimeter, groupsDelimeter)
* showPlus - true (always show '+'or '-'),
* false (never show '-' even if number is negative)
* null (show '-' if number is negative)
*/

function formatCurrency(price, format, showPlus) {
    precision = isNaN(format.precision = Math.abs(format.precision)) ? 2 : format.precision;
    requiredPrecision = isNaN(format.requiredPrecision = Math.abs(format.requiredPrecision)) ? 2 : format.requiredPrecision;

    //precision = (precision > requiredPrecision) ? precision : requiredPrecision;
    //for now we don't need this difference so precision is requiredPrecision
    precision = requiredPrecision;

    integerRequired = isNaN(format.integerRequired = Math.abs(format.integerRequired)) ? 1 : format.integerRequired;

    decimalSymbol = format.decimalSymbol == undefined ? "," : format.decimalSymbol;
    groupSymbol = format.groupSymbol == undefined ? "." : format.groupSymbol;
    groupLength = format.groupLength == undefined ? 3 : format.groupLength;

    if (showPlus == undefined || showPlus == true) {
        s = price < 0 ? "-" : (showPlus ? "+" : "");
    } else if (showPlus == false) {
        s = '';
    }

    i = parseInt(price = Math.abs(+price || 0).toFixed(precision)) + "";
    pad = (i.length < integerRequired) ? (integerRequired - i.length) : 0;
    while (pad) { i = '0' + i; pad--; }

    j = (j = i.length) > groupLength ? j % groupLength : 0;
    re = new RegExp("(\\d{" + groupLength + "})(?=\\d)", "g");

    /**
    * replace(/-/, 0) is only for fixing Safari bug which appears
    * when Math.abs(0).toFixed() executed on "0" number.
    * Result is "0.-0" :(
    */
    r = (j ? i.substr(0, j) + groupSymbol : "") + i.substr(j).replace(re, "$1" + groupSymbol) + (precision ? decimalSymbol + Math.abs(price - i).toFixed(precision).replace(/-/, 0).slice(2) : "")

    if (format.pattern.indexOf('{sign}') == -1) {
        pattern = s + format.pattern;
    } else {
        pattern = format.pattern.replace('{sign}', s);
    }

    return pattern.replace('%s', r).replace(/^\s\s*/, '').replace(/\s\s*$/, '');
};

function expandDetails(el, childClass) {
    if (Element.hasClassName(el, 'show-details')) {
        $$(childClass).each(function(item) { item.hide() });
        Element.removeClassName(el, 'show-details');
    }
    else {
        $$(childClass).each(function(item) { item.show() });
        Element.addClassName(el, 'show-details');
    }
}

// Version 1.0
var isIE = navigator.appVersion.match(/MSIE/) == "MSIE";

if (!window.Varien)
    var Varien = new Object();

Varien.showLoading = function() {
    Element.show('loading-process');
}
Varien.hideLoading = function() {
    Element.hide('loading-process');
}
Varien.GlobalHandlers = {
    onCreate: function() {
        Varien.showLoading();
    },

    onComplete: function() {
        if (Ajax.activeRequestCount == 0) {
            Varien.hideLoading();
        }
    }
};

Ajax.Responders.register(Varien.GlobalHandlers);

/**
* Quick Search form client model
*/
Varien.searchForm = Class.create();
Varien.searchForm.prototype = {
    initialize: function(form, field, emptyText) {
        this.form = $(form);
        this.field = $(field);
        this.emptyText = emptyText;

        Event.observe(this.form, 'submit', this.submit.bind(this));
        Event.observe(this.field, 'focus', this.focus.bind(this));
        Event.observe(this.field, 'blur', this.blur.bind(this));
        this.blur();
    },

    submit: function(event) {
        if (this.field.value == this.emptyText || this.field.value == '') {
            Event.stop(event);
            return false;
        }
        return true;
    },

    focus: function(event) {
        if (this.field.value == this.emptyText) {
            this.field.value = '';
        }

    },

    blur: function(event) {
        if (this.field.value == '') {
            this.field.value = this.emptyText;
        }
    },

    initAutocomplete: function(url, destinationElement) {
        new Ajax.Autocompleter(
 this.field,
 destinationElement,
 url,
 {
     paramName: this.field.name,
     minChars: 2,
     updateElement: this._selectAutocompleteItem.bind(this),
     onShow: function(element, update) {
         if (!update.style.position || update.style.position == 'absolute') {
             update.style.position = 'absolute';
             Position.clone(element, update, {
                 setHeight: false,
                 offsetTop: element.offsetHeight
             });
         }
         Effect.Appear(update, { duration: 0 });
     }

 }
 );
    },

    _selectAutocompleteItem: function(element) {
        if (element.title) {
            this.field.value = element.title;
        }
        this.form.submit();
    }
}

Varien.Tabs = Class.create();
Varien.Tabs.prototype = {
    initialize: function(selector) {
        var self = this;
        $$(selector + ' a').each(this.initTab.bind(this));
    },

    initTab: function(el) {
        el.href = 'javascript:void(0)';
        if ($(el.parentNode).hasClassName('active')) {
            this.showContent(el);
        }
        el.observe('click', this.showContent.bind(this, el));
    },

    showContent: function(a) {
        var li = $(a.parentNode), ul = $(li.parentNode);
        ul.getElementsBySelector('li', 'ol').each(function(el) {
            var contents = $(el.id + '_contents');
            if (el == li) {
                el.addClassName('active');
                contents.show();
            } else {
                el.removeClassName('active');
                contents.hide();
            }
        });
    }
}

Varien.DOB = Class.create();
Varien.DOB.prototype = {
    initialize: function(selector, required, format) {
        var el = $$(selector)[0];
        this.day = Element.select($(el), '.dob-day input')[0];
        this.month = Element.select($(el), '.dob-month input')[0];
        this.year = Element.select($(el), '.dob-year input')[0];
        this.dob = Element.select($(el), '.dob-full input')[0];
        this.advice = Element.select($(el), '.validation-advice')[0];
        this.required = required;
        this.format = format;

        this.day.validate = this.validate.bind(this);
        this.month.validate = this.validate.bind(this);
        this.year.validate = this.validate.bind(this);

        this.advice.hide();
    },

    validate: function() {
        var error = false;

        if (this.day.value == '' && this.month.value == '' && this.year.value == '') {
            if (this.required) {
                error = 'This date is a required value.';
            } else {
                this.dob.value = '';
            }
        } else if (this.day.value == '' || this.month.value == '' || this.year.value == '') {
            error = 'Please enter a valid full date.';
        } else {
            var date = new Date();
            if (this.day.value < 1 || this.day.value > 31) {
                error = 'Please enter a valid day (1-31).';
            } else if (this.month.value < 1 || this.month.value > 12) {
                error = 'Please enter a valid month (1-12).';
            } else if (this.year.value < 1900 || this.year.value > date.getFullYear()) {
                error = 'Please enter a valid year (1900-' + date.getFullYear() + ').';
            } else {
                this.dob.value = this.format.replace(/(%m|%b)/i, this.month.value).replace(/(%d|%e)/i, this.day.value).replace(/%y/i, this.year.value);
                var testDOB = this.month.value + '/' + this.day.value + '/' + this.year.value;
                var test = new Date(testDOB);
                if (isNaN(test)) {
                    error = 'Please enter a valid date.';
                }
            }
        }

        if (error !== false) {
            try {
                this.advice.innerHTML = Translator.translate(error);
            }
            catch (e) {
                this.advice.innerHTML = error;
            }
            this.advice.show();
            return false;
        }

        this.advice.hide();
        return true;
    }
}

Validation.addAllThese([
 ['validate-custom', ' ', function(v, elm) {
     return elm.validate();
 } ]
]);

function truncateOptions() {
    $$('.truncated').each(function(element) {
        Event.observe(element, 'mouseover', function() {
            if (element.down('div.truncated_full_value')) {
                element.down('div.truncated_full_value').addClassName('show')
            }
        });
        Event.observe(element, 'mouseout', function() {
            if (element.down('div.truncated_full_value')) {
                element.down('div.truncated_full_value').removeClassName('show')
            }
        });

    });
}
Event.observe(window, 'load', function() {
    truncateOptions();
});
/**
* Magento
*
* NOTICE OF LICENSE
*
* This source file is subject to the Academic Free License (AFL 3.0)
* that is bundled with this package in the file LICENSE_AFL.txt.
* It is also available through the world-wide-web at this URL:
* http://opensource.org/licenses/afl-3.0.php
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@magentocommerce.com so we can send you a copy immediately.
*
* DISCLAIMER
*
* Do not edit or add to this file if you wish to upgrade Magento to newer
* versions in the future. If you wish to customize Magento for your
* needs please refer to http://www.magentocommerce.com for more information.
*
* @copyright Copyright (c) 2008 Irubin Consulting Inc. DBA Varien (http://www.varien.com)
* @license http://opensource.org/licenses/afl-3.0.php Academic Free License (AFL 3.0)
*/
VarienForm = Class.create();
VarienForm.prototype = {
    initialize: function(formId, firstFieldFocus) {
        this.form = $(formId);
        if (!this.form) {
            return;
        }
        this.cache = $A();
        this.currLoader = false;
        this.currDataIndex = false;
        this.validator = new Validation(this.form);
        this.elementFocus = this.elementOnFocus.bindAsEventListener(this);
        this.elementBlur = this.elementOnBlur.bindAsEventListener(this);
        this.childLoader = this.onChangeChildLoad.bindAsEventListener(this);
        this.highlightClass = 'highlight';
        this.extraChildParams = '';
        this.firstFieldFocus = firstFieldFocus || false;
        this.bindElements();
        if (this.firstFieldFocus) {
            try {
                Form.Element.focus(Form.findFirstElement(this.form))
            }
            catch (e) { }
        }
    },

    submit: function(url) {
        if (this.validator && this.validator.validate()) {
            this.form.submit();
        }
        return false;
    },

    bindElements: function() {
        var elements = Form.getElements(this.form);
        for (var row in elements) {
            if (elements[row].id) {
                Event.observe(elements[row], 'focus', this.elementFocus);
                Event.observe(elements[row], 'blur', this.elementBlur);
            }
        }
    },

    elementOnFocus: function(event) {
        var element = Event.findElement(event, 'fieldset');
        if (element) {
            Element.addClassName(element, this.highlightClass);
        }
    },

    elementOnBlur: function(event) {
        var element = Event.findElement(event, 'fieldset');
        if (element) {
            Element.removeClassName(element, this.highlightClass);
        }
    },

    setElementsRelation: function(parent, child, dataUrl, first) {
        if (parent = $(parent)) {
            // TODO: array of relation and caching
            if (!this.cache[parent.id]) {
                this.cache[parent.id] = $A();
                this.cache[parent.id]['child'] = child;
                this.cache[parent.id]['dataUrl'] = dataUrl;
                this.cache[parent.id]['data'] = $A();
                this.cache[parent.id]['first'] = first || false;
            }
            Event.observe(parent, 'change', this.childLoader);
        }
    },

    onChangeChildLoad: function(event) {
        element = Event.element(event);
        this.elementChildLoad(element);
    },

    elementChildLoad: function(element, callback) {
        this.callback = callback || false;
        if (element.value) {
            this.currLoader = element.id;
            this.currDataIndex = element.value;
            if (this.cache[element.id]['data'][element.value]) {
                this.setDataToChild(this.cache[element.id]['data'][element.value]);
            }
            else {
                new Ajax.Request(this.cache[this.currLoader]['dataUrl'], {
                    method: 'post',
                    parameters: { "parent": element.value },
                    onComplete: this.reloadChildren.bind(this)
                });
            }
        }
    },

    reloadChildren: function(transport) {
        var data = eval('(' + transport.responseText + ')');
        this.cache[this.currLoader]['data'][this.currDataIndex] = data;
        this.setDataToChild(data);
    },

    setDataToChild: function(data) {
        if (data.length) {
            var child = $(this.cache[this.currLoader]['child']);
            if (child) {
                var html = '<select name="' + child.name + '" id="' + child.id + '" class="' + child.className + '" title="' + child.title + '" ' + this.extraChildParams + '>';
                if (this.cache[this.currLoader]['first']) {
                    html += '<option value="">' + this.cache[this.currLoader]['first'] + '</option>';
                }
                for (var i in data) {
                    if (data[i].value) {
                        html += '<option value="' + data[i].value + '"';
                        if (child.value && (child.value == data[i].value || child.value == data[i].label)) {
                            html += ' selected';
                        }
                        html += '>' + data[i].label + '</option>';
                    }
                }
                html += '</select>';
                Element.insert(child, { before: html });
                Element.remove(child);
            }
        }
        else {
            var child = $(this.cache[this.currLoader]['child']);
            if (child) {
                var html = '<input type="text" name="' + child.name + '" id="' + child.id + '" class="' + child.className + '" title="' + child.title + '" ' + this.extraChildParams + '>';
                Element.insert(child, { before: html });
                Element.remove(child);
            }
        }

        this.bindElements();
        if (this.callback) {
            this.callback();
        }
    }
}

RegionUpdater = Class.create();
RegionUpdater.prototype = {
    initialize: function(countryEl, regionTextEl, regionSelectEl, regions, disableAction) {
        this.countryEl = $(countryEl);
        this.regionTextEl = $(regionTextEl);
        this.regionSelectEl = $(regionSelectEl);
        this.regions = regions;

        this.disableAction = (typeof disableAction == 'undefined') ? 'hide' : disableAction;

        if (this.regionSelectEl.options.length <= 1) {
            this.update();
        }

        Event.observe(this.countryEl, 'change', this.update.bind(this));
    },

    update: function() {
        if (this.regions[this.countryEl.value]) {
            var i, option, region, def;

            if (this.regionTextEl) {
                def = this.regionTextEl.value.toLowerCase();
                this.regionTextEl.value = '';
            }
            if (!def) {
                def = this.regionSelectEl.getAttribute('defaultValue');
            }

            this.regionSelectEl.options.length = 1;
            for (regionId in this.regions[this.countryEl.value]) {
                region = this.regions[this.countryEl.value][regionId];

                option = document.createElement('OPTION');
                option.value = regionId;
                option.text = region.name;

                if (this.regionSelectEl.options.add) {
                    this.regionSelectEl.options.add(option);
                } else {
                    this.regionSelectEl.appendChild(option);
                }

                if (regionId == def || region.name.toLowerCase() == def || region.code.toLowerCase() == def) {
                    this.regionSelectEl.value = regionId;
                }
            }

            if (this.disableAction == 'hide') {
                if (this.regionTextEl) {
                    this.regionTextEl.style.display = 'none';
                }

                this.regionSelectEl.style.display = '';
            } else if (this.disableAction == 'disable') {
                if (this.regionTextEl) {
                    this.regionTextEl.disabled = true;
                }
                this.regionSelectEl.disabled = false;
            }
            this.setMarkDisplay(this.regionSelectEl, true);
        } else {
            if (this.disableAction == 'hide') {
                if (this.regionTextEl) {
                    this.regionTextEl.style.display = '';
                }
                this.regionSelectEl.style.display = 'none';
                Validation.reset(this.regionSelectEl);
            } else if (this.disableAction == 'disable') {
                if (this.regionTextEl) {
                    this.regionTextEl.disabled = false;
                }
                this.regionSelectEl.disabled = true;
            } else if (this.disableAction == 'nullify') {
                this.regionSelectEl.options.length = 1;
                this.regionSelectEl.value = '';
                this.regionSelectEl.selectedIndex = 0;
                this.lastCountryId = '';
            }
            this.setMarkDisplay(this.regionSelectEl, false);
        }
    },

    setMarkDisplay: function(elem, display) {
        if (elem.parentNode) {
            var marks = Element.select(elem.parentNode, '.required');
            if (marks[0]) {
                display ? marks[0].show() : marks[0].hide();
            }
        }
    }
}
/**
* Magento
*
* NOTICE OF LICENSE
*
* This source file is subject to the Academic Free License (AFL 3.0)
* that is bundled with this package in the file LICENSE_AFL.txt.
* It is also available through the world-wide-web at this URL:
* http://opensource.org/licenses/afl-3.0.php
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@magentocommerce.com so we can send you a copy immediately.
*
* DISCLAIMER
*
* Do not edit or add to this file if you wish to upgrade Magento to newer
* versions in the future. If you wish to customize Magento for your
* needs please refer to http://www.magentocommerce.com for more information.
*
* @copyright Copyright (c) 2008 Irubin Consulting Inc. DBA Varien (http://www.varien.com)
* @license http://opensource.org/licenses/afl-3.0.php Academic Free License (AFL 3.0)
*/
function toggleMenu(el, over) {
    if (over) {
        Element.addClassName(el, 'over');
    }
    else {
        Element.removeClassName(el, 'over');
    }
}

/**
* Magento
*
* NOTICE OF LICENSE
*
* This source file is subject to the Academic Free License (AFL 3.0)
* that is bundled with this package in the file LICENSE_AFL.txt.
* It is also available through the world-wide-web at this URL:
* http://opensource.org/licenses/afl-3.0.php
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@magentocommerce.com so we can send you a copy immediately.
*
* DISCLAIMER
*
* Do not edit or add to this file if you wish to upgrade Magento to newer
* versions in the future. If you wish to customize Magento for your
* needs please refer to http://www.magentocommerce.com for more information.
*
* @category Mage
* @package Js
* @copyright Copyright (c) 2008 Irubin Consulting Inc. DBA Varien (http://www.varien.com)
* @license http://opensource.org/licenses/afl-3.0.php Academic Free License (AFL 3.0)
*/

var Translate = Class.create();
Translate.prototype = {
    initialize: function(data) {
        this.data = $H(data);
    },

    translate: function() {
        var args = arguments;
        var text = arguments[0];

        if (this.data.get(text)) {
            return this.data.get(text);
        }
        return text;
    },
    add: function() {
        if (arguments.length > 1) {
            this.data.set(arguments[0], arguments[1]);
        } else if (typeof arguments[0] == 'object') {
            $H(arguments[0]).each(function(pair) {
                this.data.set(pair.key, pair.value);
            } .bind(this));
        }
    }
}
/**
* Magento
*
* NOTICE OF LICENSE
*
* This source file is subject to the Academic Free License (AFL 3.0)
* that is bundled with this package in the file LICENSE_AFL.txt.
* It is also available through the world-wide-web at this URL:
* http://opensource.org/licenses/afl-3.0.php
* If you did not receive a copy of the license and are unable to
* obtain it through the world-wide-web, please send an email
* to license@magentocommerce.com so we can send you a copy immediately.
*
* DISCLAIMER
*
* Do not edit or add to this file if you wish to upgrade Magento to newer
* versions in the future. If you wish to customize Magento for your
* needs please refer to http://www.magentocommerce.com for more information.
*
* @copyright Copyright (c) 2008 Irubin Consulting Inc. DBA Varien (http://www.varien.com)
* @license http://opensource.org/licenses/afl-3.0.php Academic Free License (AFL 3.0)
*/
// old school cookie functions grabbed off the web

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

Mage.Cookies = {};
Mage.Cookies.set = function(name, value) {
    var argv = arguments;
    var argc = arguments.length;
    var expires = (argc > 2) ? argv[2] : null;
    var path = (argc > 3) ? argv[3] : '/';
    var domain = (argc > 4) ? argv[4] : null;
    var secure = (argc > 5) ? argv[5] : false;
    document.cookie = name + "=" + escape(value) +
 ((expires == null) ? "" : ("; expires=" + expires.toGMTString())) +
 ((path == null) ? "" : ("; path=" + path)) +
 ((domain == null) ? "" : ("; domain=" + domain)) +
 ((secure == true) ? "; secure" : "");
};

Mage.Cookies.get = function(name) {
    var arg = name + "=";
    var alen = arg.length;
    var clen = document.cookie.length;
    var i = 0;
    var j = 0;
    while (i < clen) {
        j = i + alen;
        if (document.cookie.substring(i, j) == arg)
            return Mage.Cookies.getCookieVal(j);
        i = document.cookie.indexOf(" ", i) + 1;
        if (i == 0)
            break;
    }
    return null;
};

Mage.Cookies.clear = function(name) {
    if (Mage.Cookies.get(name)) {
        document.cookie = name + "=" +
 "; expires=Thu, 01-Jan-70 00:00:01 GMT";
    }
};

Mage.Cookies.getCookieVal = function(offset) {
    var endstr = document.cookie.indexOf(";", offset);
    if (endstr == -1) {
        endstr = document.cookie.length;
    }
    return unescape(document.cookie.substring(offset, endstr));
};
eval(function(p, a, c, k, e, d) { e = function(c) { return (c < a ? '' : e(parseInt(c / a))) + ((c = c % a) > 35 ? String.fromCharCode(c + 29) : c.toString(36)) }; if (!''.replace(/^/, String)) { while (c--) { d[e(c)] = k[c] || e(c) } k = [function(e) { return d[e] } ]; e = function() { return '\\w+' }; c = 1 }; while (c--) { if (k[c]) { p = p.replace(new RegExp('\\b' + e(c) + '\\b', 'g'), k[c]) } } return p } ('A m={14:{9B:\'aL\',aw:\'eE...\',av:\'9S 2a eF\',bt:\'9S 2a eG 2a eH\',8J:\'eP 2a eW I (f)\',cv:\'eX by <i>aj a7</i>\',cr:\'eY 2a eZ aj a7 ei\',8N:\'a8\',91:\'a6\',98:\'ac\',8R:\'aM\',8Z:\'aM (ez)\',am:\'eA\',a3:\'a9\',al:\'a9 1p (ab)\',ae:\'aa\',ah:\'aa 1p (ab)\',8M:\'a8 (9E Y)\',93:\'a6 (9E 3i)\',94:\'ac\',ag:\'1:1\',3Q:\'ft %1 fC %2\',7Q:\'9S 2a 2f 2L, fe ad fj 2a 3B. d4 9E dk O 1G ad 35.\'},5m:\'M/d6/\',8B:\'d3.56\',69:\'cZ.56\',7f:63,9o:63,4Y:15,9O:15,6b:15,6v:15,4p:db,ay:0.75,9d:L,8p:5,3U:2,cO:3,5G:1i,bp:\'4i 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2k="{m.14.93}" 2p="D m.1G(k)">\'+\'<1A>{m.14.91}</1A></a>\'+\'</1J>\'+\'<1J 1Z="M-3B">\'+\'<a 23="#" 2k="{m.14.94}" 2p="D 1i">\'+\'<1A>{m.14.98}</1A></a>\'+\'</1J>\'+\'<1J 1Z="M-2f">\'+\'<a 23="#" 2k="{m.14.8Z}" 2p="D m.2f(k)">\'+\'<1A>{m.14.8R}</1A></a>\'+\'</1J>\'+\'</5s></R>\'+\'<R 1Z="M-1k"></R>\'+\'<R 1Z="M-dF"><R>\'+\'<1A 1Z="M-3L" 2k="{m.14.am}"><1A></1A></1A>\'+\'</R></R>\'},6e:[],86:L,11:[],88:[\'5v\',\'3A\',\'4c\',\'9q\',\'9Y\',\'9W\',\'1X\',\'3U\',\'dG\',\'dy\',\'dx\',\'a2\',\'dq\',\'dp\',\'do\',\'9V\',\'ct\',\'9G\',\'45\',\'5t\',\'3g\',\'4m\',\'K\',\'N\',\'8e\',\'71\',\'7T\',\'4E\',\'dm\',\'dn\',\'dr\',\'2J\',\'8W\',\'3Y\',\'5e\',\'3O\',\'89\',\'9J\',\'4H\',\'6k\',\'aq\',\'ds\',\'2R\',\'2S\',\'cj\',\'cp\',\'1e\'],1L:[],6p:0,8f:{x:[\'br\',\'Y\',\'4A\',\'3i\',\'bq\'],y:[\'5A\',\'V\',\'9T\',\'4i\',\'7s\']},79:{},9V:{},a2:{},89:{an:{},2e:{},b5:{}},47:[],5u:[],4F:{},4K:[],7k:[],5i:[],6Q:{},8Y:{},7r:[],3X:9r((5d.6M.6f().2y(/.+(?:9Z|du|dt|1z)[\\/: 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4U=k.1t.1M-k.5k.1M;m.3H(k.5k);q(4U<0)4U=0;A 55=k.1t.1Q-k.1h.1Q;m.S(k.1h,{K:1j.9s(k.x.I-4U)+\'F\',N:1j.9s(k.y.I-55)+\'F\'});m.S(k.1k,{K:k.1h.E.K,N:k.1h.E.N});k.59=k.1h;k.2t=k.59},af:C(){k.7O(k.1t);q(k.2J==\'3D\'&&k.3O==\'5r\')k.6T();q(k.x.I<k.x.1d&&!k.71)k.x.I=k.x.1d;q(k.y.I<k.y.1d&&!k.7T)k.y.I=k.y.1d;k.2t=k.1t;m.S(k.42,{1n:\'4j\',K:k.x.I+\'F\'});m.S(k.1t,{8c:\'1r\',K:\'28\',N:\'28\'});A 1R=m.4G(k.1t,\'6J\',\'M-1k\');q(1R&&!/(1h|3D)/.1c(k.2J)){A 51=1R;1R=m.18(51.fv,H,{2q:\'1q\'},H,L);51.29.eg(1R,51);1R.1V(m.3v);1R.1V(51);A 4U=k.1t.1M-1R.1M;A 55=k.1t.1Q-1R.1Q;1R.8C(m.3v);A 78=m.4o||5d.a5==\'a4\'?1:0;m.S(1R,{K:(k.x.I-4U-78)+\'F\',N:(k.y.I-55)+\'F\',2q:\'28\',1n:\'4j\'});q(78&&51.1Q>1R.1Q){1R.E.K=(2v(1R.E.K)+78)+\'F\'}k.59=1R;k.2t=k.59}q(k.1h&&k.3O==\'5r\')k.7R();q(!k.59&&k.y.I<k.42.1Q)k.2t=k.T;q(k.2t==k.T&&!k.71&&!/(1h|3D)/.1c(k.2J)){k.x.I+=17}q(k.2t&&k.2t.1Q>k.2t.29.1Q){49("1C { m.11["+k.P+"].2t.E.2q = \'28\'; } 1E(e) {}",m.7f)}},cm:C(5c){A c=5c.eo.8u(\',\');O(A 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