/*  Prototype JavaScript framework, version 1.6.1
 *  (c) 2005-2009 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: '1.6.1',

  Browser: (function(){
    var ua = navigator.userAgent;
    var isOpera = Object.prototype.toString.call(window.opera) == '[object Opera]';
    return {
      IE:             !!window.attachEvent && !isOpera,
      Opera:          isOpera,
      WebKit:         ua.indexOf('AppleWebKit/') > -1,
      Gecko:          ua.indexOf('Gecko') > -1 && ua.indexOf('KHTML') === -1,
      MobileSafari:   /Apple.*Mobile.*Safari/.test(ua)
    }
  })(),

  BrowserFeatures: {
    XPath: !!document.evaluate,
    SelectorsAPI: !!document.querySelector,
    ElementExtensions: (function() {
      var constructor = window.Element || window.HTMLElement;
      return !!(constructor && constructor.prototype);
    })(),
    SpecificElementExtensions: (function() {
      if (typeof window.HTMLDivElement !== 'undefined')
        return true;

      var div = document.createElement('div');
      var form = document.createElement('form');
      var isSupported = false;

      if (div['__proto__'] && (div['__proto__'] !== form['__proto__'])) {
        isSupported = true;
      }

      div = form = null;

      return isSupported;
    })()
  },

  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;


var Abstract = { };


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;
  }
};

/* Based on Alex Arnell's inheritance implementation. */

var Class = (function() {
  function subclass() {};
  function create() {
    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) {
      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;
  }

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

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

  return {
    create: create,
    Methods: {
      addMethods: addMethods
    }
  };
})();
(function() {

  var _toString = Object.prototype.toString;

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

  function inspect(object) {
    try {
      if (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;
    }
  }

  function toJSON(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 (isElement(object)) return;

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

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

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

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

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

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

  function clone(object) {
    return extend({ }, object);
  }

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

  function isArray(object) {
    return _toString.call(object) == "[object Array]";
  }


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

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

  function isString(object) {
    return _toString.call(object) == "[object String]";
  }

  function isNumber(object) {
    return _toString.call(object) == "[object Number]";
  }

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

  extend(Object, {
    extend:        extend,
    inspect:       inspect,
    toJSON:        toJSON,
    toQueryString: toQueryString,
    toHTML:        toHTML,
    keys:          keys,
    values:        values,
    clone:         clone,
    isElement:     isElement,
    isArray:       isArray,
    isHash:        isHash,
    isFunction:    isFunction,
    isString:      isString,
    isNumber:      isNumber,
    isUndefined:   isUndefined
  });
})();
Object.extend(Function.prototype, (function() {
  var slice = Array.prototype.slice;

  function update(array, args) {
    var arrayLength = array.length, length = args.length;
    while (length--) array[arrayLength + length] = args[length];
    return array;
  }

  function merge(array, args) {
    array = slice.call(array, 0);
    return update(array, args);
  }

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

  function bind(context) {
    if (arguments.length < 2 && Object.isUndefined(arguments[0])) return this;
    var __method = this, args = slice.call(arguments, 1);
    return function() {
      var a = merge(args, arguments);
      return __method.apply(context, a);
    }
  }

  function bindAsEventListener(context) {
    var __method = this, args = slice.call(arguments, 1);
    return function(event) {
      var a = update([event || window.event], args);
      return __method.apply(context, a);
    }
  }

  function curry() {
    if (!arguments.length) return this;
    var __method = this, args = slice.call(arguments, 0);
    return function() {
      var a = merge(args, arguments);
      return __method.apply(this, a);
    }
  }

  function delay(timeout) {
    var __method = this, args = slice.call(arguments, 1);
    timeout = timeout * 1000
    return window.setTimeout(function() {
      return __method.apply(__method, args);
    }, timeout);
  }

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

  function wrap(wrapper) {
    var __method = this;
    return function() {
      var a = update([__method.bind(this)], arguments);
      return wrapper.apply(this, a);
    }
  }

  function methodize() {
    if (this._methodized) return this._methodized;
    var __method = this;
    return this._methodized = function() {
      var a = update([this], arguments);
      return __method.apply(null, a);
    };
  }

  return {
    argumentNames:       argumentNames,
    bind:                bind,
    bindAsEventListener: bindAsEventListener,
    curry:               curry,
    delay:               delay,
    defer:               defer,
    wrap:                wrap,
    methodize:           methodize
  }
})());


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"';
};


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();
        this.currentlyExecuting = false;
      } catch(e) {
        this.currentlyExecuting = false;
        throw e;
      }
    }
  }
});
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, (function() {

  function prepareReplacement(replacement) {
    if (Object.isFunction(replacement)) return replacement;
    var template = new Template(replacement);
    return function(match) { return template.evaluate(match) };
  }

  function gsub(pattern, replacement) {
    var result = '', source = this, match;
    replacement = prepareReplacement(replacement);

    if (Object.isString(pattern))
      pattern = RegExp.escape(pattern);

    if (!(pattern.length || pattern.source)) {
      replacement = replacement('');
      return replacement + source.split('').join(replacement) + 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;
  }

  function sub(pattern, replacement, count) {
    replacement = prepareReplacement(replacement);
    count = Object.isUndefined(count) ? 1 : count;

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

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

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

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

  function stripTags() {
    return this.replace(/<\w+(\s+("[^"]*"|'[^']*'|[^>])+)?>|<\/\w+>/gi, '');
  }

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

  function extractScripts() {
    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];
    });
  }

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

  function escapeHTML() {
    return this.replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;');
  }

  function unescapeHTML() {
    return this.stripTags().replace(/&lt;/g,'<').replace(/&gt;/g,'>').replace(/&amp;/g,'&');
  }


  function toQueryParams(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;
    });
  }

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

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

  function times(count) {
    return count < 1 ? '' : new Array(count + 1).join(this);
  }

  function camelize() {
    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;
  }

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

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

  function dasherize() {
    return this.replace(/_/g, '-');
  }

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

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

  function unfilterJSON(filter) {
    return this.replace(filter || Prototype.JSONFilter, '$1');
  }

  function isJSON() {
    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);
  }

  function evalJSON(sanitize) {
    var json = this.unfilterJSON();
    try {
      if (!sanitize || json.isJSON()) return eval('(' + json + ')');
    } catch (e) { }
    throw new SyntaxError('Badly formed JSON string: ' + this.inspect());
  }

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

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

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

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

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

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

  return {
    gsub:           gsub,
    sub:            sub,
    scan:           scan,
    truncate:       truncate,
    strip:          String.prototype.trim ? String.prototype.trim : strip,
    stripTags:      stripTags,
    stripScripts:   stripScripts,
    extractScripts: extractScripts,
    evalScripts:    evalScripts,
    escapeHTML:     escapeHTML,
    unescapeHTML:   unescapeHTML,
    toQueryParams:  toQueryParams,
    parseQuery:     toQueryParams,
    toArray:        toArray,
    succ:           succ,
    times:          times,
    camelize:       camelize,
    capitalize:     capitalize,
    underscore:     underscore,
    dasherize:      dasherize,
    inspect:        inspect,
    toJSON:         toJSON,
    unfilterJSON:   unfilterJSON,
    isJSON:         isJSON,
    evalJSON:       evalJSON,
    include:        include,
    startsWith:     startsWith,
    endsWith:       endsWith,
    empty:          empty,
    blank:          blank,
    interpolate:    interpolate
  };
})());

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

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

    return this.template.gsub(this.pattern, function(match) {
      if (object == null) return (match[1] + '');

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

  function eachSlice(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);
  }

  function all(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;
  }

  function any(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;
  }

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

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

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

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

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

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

  function include(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;
  }

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

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

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

  function max(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;
  }

  function min(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;
  }

  function partition(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];
  }

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

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

  function sortBy(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');
  }

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

  function zip() {
    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));
    });
  }

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

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









  return {
    each:       each,
    eachSlice:  eachSlice,
    all:        all,
    every:      all,
    any:        any,
    some:       any,
    collect:    collect,
    map:        collect,
    detect:     detect,
    findAll:    findAll,
    select:     findAll,
    filter:     findAll,
    grep:       grep,
    include:    include,
    member:     include,
    inGroupsOf: inGroupsOf,
    inject:     inject,
    invoke:     invoke,
    max:        max,
    min:        min,
    partition:  partition,
    pluck:      pluck,
    reject:     reject,
    sortBy:     sortBy,
    toArray:    toArray,
    entries:    toArray,
    zip:        zip,
    size:       size,
    inspect:    inspect,
    find:       detect
  };
})();
function $A(iterable) {
  if (!iterable) return [];
  if ('toArray' in Object(iterable)) return iterable.toArray();
  var length = iterable.length || 0, results = new Array(length);
  while (length--) results[length] = iterable[length];
  return results;
}

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

Array.from = $A;


(function() {
  var arrayProto = Array.prototype,
      slice = arrayProto.slice,
      _each = arrayProto.forEach; // use native browser JS 1.6 implementation if available

  function each(iterator) {
    for (var i = 0, length = this.length; i < length; i++)
      iterator(this[i]);
  }
  if (!_each) _each = each;

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

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

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

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

  function flatten() {
    return this.inject([], function(array, value) {
      if (Object.isArray(value))
        return array.concat(value.flatten());
      array.push(value);
      return array;
    });
  }

  function without() {
    var values = slice.call(arguments, 0);
    return this.select(function(value) {
      return !values.include(value);
    });
  }

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

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

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


  function clone() {
    return slice.call(this, 0);
  }

  function size() {
    return this.length;
  }

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

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

  function indexOf(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;
  }

  function lastIndexOf(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;
  }

  function concat() {
    var array = slice.call(this, 0), item;
    for (var i = 0, length = arguments.length; i < length; i++) {
      item = arguments[i];
      if (Object.isArray(item) && !('callee' in item)) {
        for (var j = 0, arrayLength = item.length; j < arrayLength; j++)
          array.push(item[j]);
      } else {
        array.push(item);
      }
    }
    return array;
  }

  Object.extend(arrayProto, Enumerable);

  if (!arrayProto._reverse)
    arrayProto._reverse = arrayProto.reverse;

  Object.extend(arrayProto, {
    _each:     _each,
    clear:     clear,
    first:     first,
    last:      last,
    compact:   compact,
    flatten:   flatten,
    without:   without,
    reverse:   reverse,
    uniq:      uniq,
    intersect: intersect,
    clone:     clone,
    toArray:   clone,
    size:      size,
    inspect:   inspect,
    toJSON:    toJSON
  });

  var CONCAT_ARGUMENTS_BUGGY = (function() {
    return [].concat(arguments)[0][0] !== 1;
  })(1,2)

  if (CONCAT_ARGUMENTS_BUGGY) arrayProto.concat = concat;

  if (!arrayProto.indexOf) arrayProto.indexOf = indexOf;
  if (!arrayProto.lastIndexOf) arrayProto.lastIndexOf = lastIndexOf;
})();
function $H(object) {
  return new Hash(object);
};

var Hash = Class.create(Enumerable, (function() {
  function initialize(object) {
    this._object = Object.isHash(object) ? object.toObject() : Object.clone(object);
  }

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

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

  function get(key) {
    if (this._object[key] !== Object.prototype[key])
      return this._object[key];
  }

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

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

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

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

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

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

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

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

  function toQueryString() {
    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('&');
  }

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

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

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

  return {
    initialize:             initialize,
    _each:                  _each,
    set:                    set,
    get:                    get,
    unset:                  unset,
    toObject:               toObject,
    toTemplateReplacements: toObject,
    keys:                   keys,
    values:                 values,
    index:                  index,
    merge:                  merge,
    update:                 update,
    toQueryString:          toQueryString,
    inspect:                inspect,
    toJSON:                 toJSON,
    clone:                  clone
  };
})());

Hash.from = $H;
Object.extend(Number.prototype, (function() {
  function toColorPart() {
    return this.toPaddedString(2, 16);
  }

  function succ() {
    return this + 1;
  }

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

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

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

  function abs() {
    return Math.abs(this);
  }

  function round() {
    return Math.round(this);
  }

  function ceil() {
    return Math.ceil(this);
  }

  function floor() {
    return Math.floor(this);
  }

  return {
    toColorPart:    toColorPart,
    succ:           succ,
    times:          times,
    toPaddedString: toPaddedString,
    toJSON:         toJSON,
    abs:            abs,
    round:          round,
    ceil:           ceil,
    floor:          floor
  };
})());

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

var ObjectRange = Class.create(Enumerable, (function() {
  function initialize(start, end, exclusive) {
    this.start = start;
    this.end = end;
    this.exclusive = exclusive;
  }

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

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

  return {
    initialize: initialize,
    _each:      _each,
    include:    include
  };
})());



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)) {
      params['_method'] = this.method;
      this.method = 'post';
    }

    this.parameters = params;

    if (params = Object.toQueryString(params)) {
      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';
    }

    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') {
      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) {
  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(global) {

  var SETATTRIBUTE_IGNORES_NAME = (function(){
    var elForm = document.createElement("form");
    var elInput = document.createElement("input");
    var root = document.documentElement;
    elInput.setAttribute("name", "test");
    elForm.appendChild(elInput);
    root.appendChild(elForm);
    var isBuggy = elForm.elements
      ? (typeof elForm.elements.test == "undefined")
      : null;
    root.removeChild(elForm);
    elForm = elInput = null;
    return isBuggy;
  })();

  var element = global.Element;
  global.Element = function(tagName, attributes) {
    attributes = attributes || { };
    tagName = tagName.toLowerCase();
    var cache = Element.cache;
    if (SETATTRIBUTE_IGNORES_NAME && 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(global.Element, element || { });
  if (element) global.Element.prototype = element.prototype;
})(this);

Element.cache = { };
Element.idCounter = 1;

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(){

    var SELECT_ELEMENT_INNERHTML_BUGGY = (function(){
      var el = document.createElement("select"),
          isBuggy = true;
      el.innerHTML = "<option value=\"test\">test</option>";
      if (el.options && el.options[0]) {
        isBuggy = el.options[0].nodeName.toUpperCase() !== "OPTION";
      }
      el = null;
      return isBuggy;
    })();

    var TABLE_ELEMENT_INNERHTML_BUGGY = (function(){
      try {
        var el = document.createElement("table");
        if (el && el.tBodies) {
          el.innerHTML = "<tbody><tr><td>test</td></tr></tbody>";
          var isBuggy = typeof el.tBodies[0] == "undefined";
          el = null;
          return isBuggy;
        }
      } catch (e) {
        return true;
      }
    })();

    var SCRIPT_ELEMENT_REJECTS_TEXTNODE_APPENDING = (function () {
      var s = document.createElement("script"),
          isBuggy = false;
      try {
        s.appendChild(document.createTextNode(""));
        isBuggy = !s.firstChild ||
          s.firstChild && s.firstChild.nodeType !== 3;
      } catch (e) {
        isBuggy = true;
      }
      s = null;
      return isBuggy;
    })();

    function update(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 === 'SCRIPT' && SCRIPT_ELEMENT_REJECTS_TEXTNODE_APPENDING) {
        element.text = content;
        return element;
      }

      if (SELECT_ELEMENT_INNERHTML_BUGGY || TABLE_ELEMENT_INNERHTML_BUGGY) {
        if (tagName in Element._insertionTranslations.tags) {
          while (element.firstChild) {
            element.removeChild(element.firstChild);
          }
          Element._getContentFromAnonymousElement(tagName, content.stripScripts())
            .each(function(node) {
              element.appendChild(node)
            });
        }
        else {
          element.innerHTML = content.stripScripts();
        }
      }
      else {
        element.innerHTML = content.stripScripts();
      }

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

    return update;
  })(),

  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(element, 'parentNode');
  },

  descendants: function(element) {
    return Element.select(element, "*");
  },

  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(element, 'previousSibling');
  },

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

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

  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(element);
    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(element);
    return Object.isNumber(expression) ? Element.descendants(element)[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(element);
    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(element);
    return Object.isNumber(expression) ? nextSiblings[expression] :
      Selector.findElement(nextSiblings, expression, index);
  },


  select: function(element) {
    var args = Array.prototype.slice.call(arguments, 1);
    return Selector.findChildElements(element, args);
  },

  adjacent: function(element) {
    var args = Array.prototype.slice.call(arguments, 1);
    return Selector.findChildElements(element.parentNode, args).without(element);
  },

  identify: function(element) {
    element = $(element);
    var id = Element.readAttribute(element, 'id');
    if (id) return id;
    do { id = 'anonymous_element_' + Element.idCounter++ } while ($(id));
    Element.writeAttribute(element, '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(element).height;
  },

  getWidth: function(element) {
    return Element.getDimensions(element).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(element, 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(element, className) ?
      'removeClassName' : 'addClassName'](element, className);
  },

  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(element);
    window.scrollTo(pos[0], pos[1]);
    return element;
  },

  getStyle: function(element, style) {
    element = $(element);
    style = style == 'float' ? 'cssFloat' : style.camelize();
    var value = element.style[style];
    if (!value || 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(element, 'display');
    if (display != 'none' && display != null) // Safari bug
      return {width: element.offsetWidth, height: element.offsetHeight};

    var els = element.style;
    var originalVisibility = els.visibility;
    var originalPosition = els.position;
    var originalDisplay = els.display;
    els.visibility = 'hidden';
    if (originalPosition != 'fixed') // Switching fixed to absolute causes issues in Safari
      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';
      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(element, 'position') == 'absolute') return element;

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

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

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

  relativize: function(element) {
    element = $(element);
    if (Element.getStyle(element, 'position') == 'relative') return element;

    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;

      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] || { });

    source = $(source);
    var p = Element.viewportOffset(source);

    element = $(element);
    var delta = [0, 0];
    var parent = null;
    if (Element.getStyle(element, 'position') == 'absolute') {
      parent = Element.getOffsetParent(element);
      delta = Element.viewportOffset(parent);
    }

    if (parent == document.body) {
      delta[0] -= document.body.offsetLeft;
      delta[1] -= document.body.offsetTop;
    }

    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;
  }
};

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':
          if (!Element.visible(element)) return null;

          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) {
  Element.Methods.getOffsetParent = Element.Methods.getOffsetParent.wrap(
    function(proceed, element) {
      element = $(element);
      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);
        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 = (function(){

    var classProp = 'className';
    var forProp = 'for';

    var el = document.createElement('div');

    el.setAttribute(classProp, 'x');

    if (el.className !== 'x') {
      el.setAttribute('class', 'x');
      if (el.className === 'x') {
        classProp = 'class';
      }
    }
    el = null;

    el = document.createElement('label');
    el.setAttribute(forProp, 'x');
    if (el.htmlFor !== 'x') {
      el.setAttribute('htmlFor', 'x');
      if (el.htmlFor === 'x') {
        forProp = 'htmlFor';
      }
    }
    el = null;

    return {
      read: {
        names: {
          'class':      classProp,
          'className':  classProp,
          'for':        forProp,
          'htmlFor':    forProp
        },
        values: {
          _getAttr: function(element, attribute) {
            return element.getAttribute(attribute);
          },
          _getAttr2: function(element, attribute) {
            return element.getAttribute(attribute, 2);
          },
          _getAttrNode: function(element, attribute) {
            var node = element.getAttributeNode(attribute);
            return node ? node.value : "";
          },
          _getEv: (function(){

            var el = document.createElement('div');
            el.onclick = Prototype.emptyFunction;
            var value = el.getAttribute('onclick');
            var f;

            if (String(value).indexOf('{') > -1) {
              f = function(element, attribute) {
                attribute = element.getAttribute(attribute);
                if (!attribute) return null;
                attribute = attribute.toString();
                attribute = attribute.split('{')[1];
                attribute = attribute.split('}')[0];
                return attribute.strip();
              };
            }
            else if (value === '') {
              f = function(element, attribute) {
                attribute = element.getAttribute(attribute);
                if (!attribute) return null;
                return attribute.strip();
              };
            }
            el = null;
            return f;
          })(),
          _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._getAttr2,
      src:         v._getAttr2,
      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);

  if (Prototype.BrowserFeatures.ElementExtensions) {
    (function() {
      function _descendants(element) {
        var nodes = element.getElementsByTagName('*'), results = [];
        for (var i = 0, node; node = nodes[i]; i++)
          if (node.tagName !== "!") // Filter out comment nodes.
            results.push(node);
        return results;
      }

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

}

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;
  };

  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 ('outerHTML' in document.documentElement) {
  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() {
  var tags = Element._insertionTranslations.tags;
  Object.extend(tags, {
    THEAD: tags.TBODY,
    TFOOT: tags.TBODY,
    TH:    tags.TD
  });
})();

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);

(function(div) {

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

  div = null;

})(document.createElement('div'))

Element.extend = (function() {

  function checkDeficiency(tagName) {
    if (typeof window.Element != 'undefined') {
      var proto = window.Element.prototype;
      if (proto) {
        var id = '_' + (Math.random()+'').slice(2);
        var el = document.createElement(tagName);
        proto[id] = 'x';
        var isBuggy = (el[id] !== 'x');
        delete proto[id];
        el = null;
        return isBuggy;
      }
    }
    return false;
  }

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

  var HTMLOBJECTELEMENT_PROTOTYPE_BUGGY = checkDeficiency('object');

  if (Prototype.BrowserFeatures.SpecificElementExtensions) {
    if (HTMLOBJECTELEMENT_PROTOTYPE_BUGGY) {
      return function(element) {
        if (element && typeof element._extendedByPrototype == 'undefined') {
          var t = element.tagName;
          if (t && (/^(?:object|applet|embed)$/i.test(t))) {
            extendElementWith(element, Element.Methods);
            extendElementWith(element, Element.Methods.Simulated);
            extendElementWith(element, Element.Methods.ByTag[t.toUpperCase()]);
          }
        }
        return element;
      }
    }
    return Prototype.K;
  }

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

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

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

    if (ByTag[tagName]) Object.extend(methods, ByTag[tagName]);

    extendElementWith(element, methods);

    element._extendedByPrototype = Prototype.emptyFunction;
    return element;

  }, {
    refresh: function() {
      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];

    var element = document.createElement(tagName);
    var proto = element['__proto__'] || element.constructor.prototype;
    element = null;
    return proto;
  }

  var elementPrototype = window.HTMLElement ? HTMLElement.prototype :
   Element.prototype;

  if (F.ElementExtensions) {
    copy(Element.Methods, elementPrototype);
    copy(Element.Methods.Simulated, elementPrototype, 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() {
    return { width: this.getWidth(), height: this.getHeight() };
  },

  getScrollOffsets: function() {
    return Element._returnOffset(
      window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft,
      window.pageYOffset || document.documentElement.scrollTop  || document.body.scrollTop);
  }
};

(function(viewport) {
  var B = Prototype.Browser, doc = document, element, property = {};

  function getRootElement() {
    if (B.WebKit && !doc.evaluate)
      return document;

    if (B.Opera && window.parseFloat(window.opera.version()) < 9.5)
      return document.body;

    return document.documentElement;
  }

  function define(D) {
    if (!element) element = getRootElement();

    property[D] = 'client' + D;

    viewport['get' + D] = function() { return element[property[D]] };
    return viewport['get' + D]();
  }

  viewport.getWidth  = define.curry('Width');

  viewport.getHeight = define.curry('Height');
})(document.viewport);


Element.Storage = {
  UID: 1
};

Element.addMethods({
  getStorage: function(element) {
    if (!(element = $(element))) return;

    var uid;
    if (element === window) {
      uid = 0;
    } else {
      if (typeof element._prototypeUID === "undefined")
        element._prototypeUID = [Element.Storage.UID++];
      uid = element._prototypeUID[0];
    }

    if (!Element.Storage[uid])
      Element.Storage[uid] = $H();

    return Element.Storage[uid];
  },

  store: function(element, key, value) {
    if (!(element = $(element))) return;

    if (arguments.length === 2) {
      Element.getStorage(element).update(key);
    } else {
      Element.getStorage(element).set(key, value);
    }

    return element;
  },

  retrieve: function(element, key, defaultValue) {
    if (!(element = $(element))) return;
    var hash = Element.getStorage(element), value = hash.get(key);

    if (Object.isUndefined(value)) {
      hash.set(key, defaultValue);
      value = defaultValue;
    }

    return value;
  },

  clone: function(element, deep) {
    if (!(element = $(element))) return;
    var clone = element.cloneNode(deep);
    clone._prototypeUID = void 0;
    if (deep) {
      var descendants = Element.select(clone, '*'),
          i = descendants.length;
      while (i--) {
        descendants[i]._prototypeUID = void 0;
      }
    }
    return Element.extend(clone);
  }
});
/* 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() {

    var IS_DESCENDANT_SELECTOR_BUGGY = (function(){
      var isBuggy = false;
      if (document.evaluate && window.XPathResult) {
        var el = document.createElement('div');
        el.innerHTML = '<ul><li></li></ul><div><ul><li></li></ul></div>';

        var xpath = ".//*[local-name()='ul' or local-name()='UL']" +
          "//*[local-name()='li' or local-name()='LI']";

        var result = document.evaluate(xpath, el, null,
          XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);

        isBuggy = (result.snapshotLength !== 2);
        el = null;
      }
      return isBuggy;
    })();

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

      var e = this.expression;

      if (Prototype.Browser.WebKit &&
       (e.include("-of-type") || e.include(":empty")))
        return false;

      if ((/(\[[\w-]*?:|:checked)/).test(e))
        return false;

      if (IS_DESCENDANT_SELECTOR_BUGGY) return false;

      return true;
    }

  })(),

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

    if (Selector.CASE_INSENSITIVE_CLASS_NAMES) return false;

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

    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, len = ps.length, name;

    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 = 0; i<len; i++) {
        p = ps[i].re;
        name = ps[i].name;
        if (m = e.match(p)) {
          this.matcher.push(Object.isFunction(c[name]) ? c[name](m) :
            new Template(c[name]).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, len = ps.length, name;

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

    this.matcher = ['.//*'];
    while (e && le != e && (/\S/).test(e)) {
      le = e;
      for (var i = 0; i<len; i++) {
        name = ps[i].name;
        if (m = e.match(ps[i].re)) {
          this.matcher.push(Object.isFunction(x[name]) ? x[name](m) :
            new Template(x[name]).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':
        if (root !== document) {
          var oldId = root.id, id = $(root).identify();
          id = id.replace(/([\.:])/g, "\\$1");
          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, len = ps.length, name;

    while (e && le !== e && (/\S/).test(e)) {
      le = e;
      for (var i = 0; i<len; i++) {
        p = ps[i].re;
        name = ps[i].name;
        if (m = e.match(p)) {
          if (as[name]) {
            this.tokens.push([name, Object.clone(m)]);
            e = e.replace(m[0], '');
          } else {
            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() + ">";
  }
});

if (Prototype.BrowserFeatures.SelectorsAPI &&
 document.compatMode === 'BackCompat') {
  Selector.CASE_INSENSITIVE_CLASS_NAMES = (function(){
    var div = document.createElement('div'),
     span = document.createElement('span');

    div.id = "prototype_test_id";
    span.className = 'Test';
    div.appendChild(span);
    var isIgnored = (div.querySelector('#prototype_test_id .test') !== null);
    div = span = null;
    return isIgnored;
  })();
}

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, len = p.length, name;

        var exclusion = [];
        while (e && le != e && (/\S/).test(e)) {
          le = e;
          for (var i = 0; i<len; i++) {
            name = p[i].name
            if (m = e.match(p[i].re)) {
              v = Object.isFunction(x[name]) ? x[name](m) : new Template(x[name]).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: [
    { name: 'laterSibling', re: /^\s*~\s*/ },
    { name: 'child',        re: /^\s*>\s*/ },
    { name: 'adjacent',     re: /^\s*\+\s*/ },
    { name: 'descendant',   re: /^\s/ },

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

  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: {
    concat: function(a, b) {
      for (var i = 0, node; node = b[i]; i++)
        a.push(node);
      return a;
    },

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

    unmark: (function(){

      var PROPERTIES_ATTRIBUTES_MAP = (function(){
        var el = document.createElement('div'),
            isBuggy = false,
            propName = '_countedByPrototype',
            value = 'x'
        el[propName] = value;
        isBuggy = (el.getAttribute(propName) === value);
        el = null;
        return isBuggy;
      })();

      return PROPERTIES_ATTRIBUTES_MAP ?
        function(nodes) {
          for (var i = 0, node; node = nodes[i]; i++)
            node.removeAttribute('_countedByPrototype');
          return nodes;
        } :
        function(nodes) {
          for (var i = 0, node; node = nodes[i]; i++)
            node._countedByPrototype = void 0;
          return nodes;
        }
    })(),

    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++;
      }
    },

    unique: function(nodes) {
      if (nodes.length == 0) return nodes;
      var results = [], n;
      for (var i = 0, l = nodes.length; i < l; i++)
        if (typeof (n = nodes[i])._countedByPrototype == 'undefined') {
          n._countedByPrototype = Prototype.emptyFunction;
          results.push(Element.extend(n));
        }
      return Selector.handlers.unmark(results);
    },

    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;
    },

    tagName: function(nodes, root, tagName, combinator) {
      var uTagName = tagName.toUpperCase();
      var results = [], h = Selector.handlers;
      if (nodes) {
        if (combinator) {
          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 (root == document) {
        if (!targetNode) return [];
        if (!nodes) return [targetNode];
      } else {
        if (!root.sourceIndex || root.sourceIndex < 1) {
          var nodes = root.getElementsByTagName('*');
          for (var j = 0, node; node = nodes[j]; j++) {
            if (node.id === id) return [node];
          }
        }
      }

      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);
    },

    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;
      });
    },

    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++) {
        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 + ' ').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, {
    concat: function(a, b) {
      for (var i = 0, node; node = b[i]; i++)
        if (node.tagName !== "!") a.push(node);
      return a;
    }
  });
}

function $$() {
  return Selector.findChildElements(document, $A(arguments));
}

var Form = {
  reset: function(form) {
    form = $(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) {
            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) {
    var elements = $(form).getElementsByTagName('*'),
        element,
        arr = [ ],
        serializers = Form.Element.Serializers;
    for (var i = 0; element = elements[i]; i++) {
      arr.push(element);
    }
    return arr.inject([], function(elements, child) {
      if (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)$/i.test(element.tagName);
    });
  },

  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 = $(element);
    try {
      element.focus();
      if (element.select && (element.tagName.toLowerCase() != 'input' ||
          !(/^(?:button|reset|submit)$/i.test(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) {
    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);
  }
});
(function() {

  var 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: {}
  };

  var docEl = document.documentElement;
  var MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED = 'onmouseenter' in docEl
    && 'onmouseleave' in docEl;

  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);
    };
  }

  function isLeftClick(event)   { return _isButton(event, 0) }

  function isMiddleClick(event) { return _isButton(event, 1) }

  function isRightClick(event)  { return _isButton(event, 2) }

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

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

    if (currentTarget && currentTarget.tagName) {
      if (type === 'load' || type === 'error' ||
        (type === 'click' && currentTarget.tagName.toLowerCase() === 'input'
          && currentTarget.type === 'radio'))
            node = currentTarget;
    }

    if (node.nodeType == Node.TEXT_NODE)
      node = node.parentNode;

    return Element.extend(node);
  }

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

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

  function pointerX(event) {
    var docElement = document.documentElement,
     body = document.body || { scrollLeft: 0 };

    return event.pageX || (event.clientX +
      (docElement.scrollLeft || body.scrollLeft) -
      (docElement.clientLeft || 0));
  }

  function pointerY(event) {
    var docElement = document.documentElement,
     body = document.body || { scrollTop: 0 };

    return  event.pageY || (event.clientY +
       (docElement.scrollTop || body.scrollTop) -
       (docElement.clientTop || 0));
  }


  function stop(event) {
    Event.extend(event);
    event.preventDefault();
    event.stopPropagation();

    event.stopped = true;
  }

  Event.Methods = {
    isLeftClick: isLeftClick,
    isMiddleClick: isMiddleClick,
    isRightClick: isRightClick,

    element: element,
    findElement: findElement,

    pointer: pointer,
    pointerX: pointerX,
    pointerY: pointerY,

    stop: stop
  };


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

  if (Prototype.Browser.IE) {
    function _relatedTarget(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);
    }

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

    Event.extend = function(event, element) {
      if (!event) return false;
      if (event._extendedByPrototype) return event;

      event._extendedByPrototype = Prototype.emptyFunction;
      var pointer = Event.pointer(event);

      Object.extend(event, {
        target: event.srcElement || element,
        relatedTarget: _relatedTarget(event),
        pageX:  pointer.x,
        pageY:  pointer.y
      });

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

  function _createResponder(element, eventName, handler) {
    var registry = Element.retrieve(element, 'prototype_event_registry');

    if (Object.isUndefined(registry)) {
      CACHE.push(element);
      registry = Element.retrieve(element, 'prototype_event_registry', $H());
    }

    var respondersForEvent = registry.get(eventName);
    if (Object.isUndefined(respondersForEvent)) {
      respondersForEvent = [];
      registry.set(eventName, respondersForEvent);
    }

    if (respondersForEvent.pluck('handler').include(handler)) return false;

    var responder;
    if (eventName.include(":")) {
      responder = function(event) {
        if (Object.isUndefined(event.eventName))
          return false;

        if (event.eventName !== eventName)
          return false;

        Event.extend(event, element);
        handler.call(element, event);
      };
    } else {
      if (!MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED &&
       (eventName === "mouseenter" || eventName === "mouseleave")) {
        if (eventName === "mouseenter" || eventName === "mouseleave") {
          responder = function(event) {
            Event.extend(event, element);

            var parent = event.relatedTarget;
            while (parent && parent !== element) {
              try { parent = parent.parentNode; }
              catch(e) { parent = element; }
            }

            if (parent === element) return;

            handler.call(element, event);
          };
        }
      } else {
        responder = function(event) {
          Event.extend(event, element);
          handler.call(element, event);
        };
      }
    }

    responder.handler = handler;
    respondersForEvent.push(responder);
    return responder;
  }

  function _destroyCache() {
    for (var i = 0, length = CACHE.length; i < length; i++) {
      Event.stopObserving(CACHE[i]);
      CACHE[i] = null;
    }
  }

  var CACHE = [];

  if (Prototype.Browser.IE)
    window.attachEvent('onunload', _destroyCache);

  if (Prototype.Browser.WebKit)
    window.addEventListener('unload', Prototype.emptyFunction, false);


  var _getDOMEventName = Prototype.K;

  if (!MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED) {
    _getDOMEventName = function(eventName) {
      var translations = { mouseenter: "mouseover", mouseleave: "mouseout" };
      return eventName in translations ? translations[eventName] : eventName;
    };
  }

  function observe(element, eventName, handler) {
    element = $(element);

    var responder = _createResponder(element, eventName, handler);

    if (!responder) return element;

    if (eventName.include(':')) {
      if (element.addEventListener)
        element.addEventListener("dataavailable", responder, false);
      else {
        element.attachEvent("ondataavailable", responder);
        element.attachEvent("onfilterchange", responder);
      }
    } else {
      var actualEventName = _getDOMEventName(eventName);

      if (element.addEventListener)
        element.addEventListener(actualEventName, responder, false);
      else
        element.attachEvent("on" + actualEventName, responder);
    }

    return element;
  }

  function stopObserving(element, eventName, handler) {
    element = $(element);

    var registry = Element.retrieve(element, 'prototype_event_registry');

    if (Object.isUndefined(registry)) return element;

    if (eventName && !handler) {
      var responders = registry.get(eventName);

      if (Object.isUndefined(responders)) return element;

      responders.each( function(r) {
        Element.stopObserving(element, eventName, r.handler);
      });
      return element;
    } else if (!eventName) {
      registry.each( function(pair) {
        var eventName = pair.key, responders = pair.value;

        responders.each( function(r) {
          Element.stopObserving(element, eventName, r.handler);
        });
      });
      return element;
    }

    var responders = registry.get(eventName);

    if (!responders) return;

    var responder = responders.find( function(r) { return r.handler === handler; });
    if (!responder) return element;

    var actualEventName = _getDOMEventName(eventName);

    if (eventName.include(':')) {
      if (element.removeEventListener)
        element.removeEventListener("dataavailable", responder, false);
      else {
        element.detachEvent("ondataavailable", responder);
        element.detachEvent("onfilterchange",  responder);
      }
    } else {
      if (element.removeEventListener)
        element.removeEventListener(actualEventName, responder, false);
      else
        element.detachEvent('on' + actualEventName, responder);
    }

    registry.set(eventName, responders.without(responder));

    return element;
  }

  function fire(element, eventName, memo, bubble) {
    element = $(element);

    if (Object.isUndefined(bubble))
      bubble = true;

    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 = bubble ? 'ondataavailable' : 'onfilterchange';
    }

    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);

  Object.extend(Event, {
    fire:          fire,
    observe:       observe,
    stopObserving: stopObserving
  });

  Element.addMethods({
    fire:          fire,

    observe:       observe,

    stopObserving: stopObserving
  });

  Object.extend(document, {
    fire:          fire.methodize(),

    observe:       observe.methodize(),

    stopObserving: stopObserving.methodize(),

    loaded:        false
  });

  if (window.Event) Object.extend(window.Event, Event);
  else window.Event = Event;
})();

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

  var timer;

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

  function checkReadyState() {
    if (document.readyState === 'complete') {
      document.stopObserving('readystatechange', checkReadyState);
      fireContentLoadedEvent();
    }
  }

  function pollDoScroll() {
    try { document.documentElement.doScroll('left'); }
    catch(e) {
      timer = pollDoScroll.defer();
      return;
    }
    fireContentLoadedEvent();
  }

  if (document.addEventListener) {
    document.addEventListener('DOMContentLoaded', fireContentLoadedEvent, false);
  } else {
    document.observe('readystatechange', checkReadyState);
    if (window == top)
      timer = pollDoScroll.defer();
  }

  Event.observe(window, 'load', fireContentLoadedEvent);
})();

Element.addMethods();

/*------------------------------- 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');

var Position = {
  includeScrollOffsets: false,

  prepare: function() {
    this.deltaX =  window.pageXOffset
                || document.documentElement.scrollLeft
                || document.body.scrollLeft
                || 0;
    this.deltaY =  window.pageYOffset
                || document.documentElement.scrollTop
                || document.body.scrollTop
                || 0;
  },

  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);
  },

  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;
  },


  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);

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

// script.aculo.us effects.js v1.8.2, Tue Nov 18 18:30:58 +0100 2008

// Copyright (c) 2005-2008 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) { }
};

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

var Effect = {
  _elementDoesNotExistError: {
    name: 'ElementDoesNotExistError',
    message: 'The specified DOM element does not exist, but is required for this effect to operate'
  },
  Transitions: {
    linear: Prototype.K,
    sinoidal: function(pos) {
      return (-Math.cos(pos*Math.PI)/2) + .5;
    },
    reverse: function(pos) {
      return 1-pos;
    },
    flicker: function(pos) {
      var pos = ((-Math.cos(pos*Math.PI)/4) + .75) + Math.random()/4;
      return pos > 1 ? 1 : pos;
    },
    wobble: function(pos) {
      return (-Math.cos(pos*Math.PI*(9*pos))/2) + .5;
    },
    pulse: function(pos, pulses) {
      return (-Math.cos((pos*((pulses||5)-.5)*2)*Math.PI)/2) + .5;
    },
    spring: function(pos) {
      return 1 - (Math.cos(pos * 4.5 * Math.PI) * Math.exp(-pos * 6));
    },
    none: function(pos) {
      return 0;
    },
    full: function(pos) {
      return 1;
    }
  },
  DefaultOptions: {
    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'
  },
  tagifyText: function(element) {
    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(
            new Element('span', {style: tagifyStyle}).update(
              character == ' ' ? String.fromCharCode(160) : character),
              child);
        });
        Element.remove(child);
      }
    });
  },
  multiple: function(element, effect) {
    var elements;
    if (((typeof element == 'object') ||
        Object.isFunction(element)) &&
       (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);
  }
};

Effect.DefaultOptions.transition = Effect.Transitions.sinoidal;

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

Effect.ScopedQueue = Class.create(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 = Object.isString(effect.options.queue) ?
      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 (!Object.isString(queueName)) return queueName;

    return this.instances.get(queueName) ||
      this.instances.set(queueName, new Effect.ScopedQueue());
  }
};
Effect.Queue = Effect.Queues.get('global');

Effect.Base = Class.create({
  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 && 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;

    this.render = (function() {
      function dispatch(effect, eventName) {
        if (effect.options[eventName + 'Internal'])
          effect.options[eventName + 'Internal'](effect);
        if (effect.options[eventName])
          effect.options[eventName](effect);
      }

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

    this.event('beforeStart');
    if (!this.options.sync)
      Effect.Queues.get(Object.isString(this.options.queue) ?
        '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 = (pos * this.totalFrames).round();
      if (frame > this.currentFrame) {
        this.render(pos);
        this.currentFrame = frame;
      }
    }
  },
  cancel: function() {
    if (!this.options.sync)
      Effect.Queues.get(Object.isString(this.options.queue) ?
        '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 (!Object.isFunction(this[property])) data.set(property, this[property]);
    return '#<Effect:' + data.inspect() + ',options:' + $H(this.options).inspect() + '>';
  }
});

Effect.Parallel = Class.create(Effect.Base, {
  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.Tween = Class.create(Effect.Base, {
  initialize: function(object, from, to) {
    object = Object.isString(object) ? $(object) : object;
    var args = $A(arguments), method = args.last(),
      options = args.length == 5 ? args[3] : null;
    this.method = Object.isFunction(method) ? method.bind(object) :
      Object.isFunction(object[method]) ? object[method].bind(object) :
      function(value) { object[method] = value };
    this.start(Object.extend({ from: from, to: to }, options || { }));
  },
  update: function(position) {
    this.method(position);
  }
});

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

Effect.Opacity = Class.create(Effect.Base, {
  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(Effect.Base, {
  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() {
    this.element.makePositioned();
    this.originalLeft = parseFloat(this.element.getStyle('left') || '0');
    this.originalTop  = parseFloat(this.element.getStyle('top')  || '0');
    if (this.options.mode == 'absolute') {
      this.options.x = this.options.x - this.originalLeft;
      this.options.y = this.options.y - this.originalTop;
    }
  },
  update: function(position) {
    this.element.setStyle({
      left: (this.options.x  * position + this.originalLeft).round() + 'px',
      top:  (this.options.y  * position + this.originalTop).round()  + '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(Effect.Base, {
  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 = width.round() + 'px';
    if (this.options.scaleY) d.height = height.round() + '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(Effect.Base, {
  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+((this._base[i]+(this._delta[i]*position)).round().toColorPart()); }.bind(this)) });
  },
  finish: function() {
    this.element.setStyle(Object.extend(this.oldStyle, {
      backgroundColor: this.options.restorecolor
    }));
  }
});

Effect.ScrollTo = function(element) {
  var options = arguments[1] || { },
  scrollOffsets = document.viewport.getScrollOffsets(),
  elementOffsets = $(element).cumulativeOffset();

  if (options.offset) elementOffsets[1] += options.offset;

  return new Effect.Tween(null,
    scrollOffsets.top,
    elementOffsets[1],
    options,
    function(p){ scrollTo(scrollOffsets.left, p.round()); }
  );
};

/* ------------- 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 options = Object.extend({
    distance: 20,
    duration: 0.5
  }, arguments[1] || {});
  var distance = parseFloat(options.distance);
  var split = parseFloat(options.duration) / 10.0;
  var oldStyle = {
    top: element.getStyle('top'),
    left: element.getStyle('left') };
    return new Effect.Move(element,
      { x:  distance, y: 0, duration: split, afterFinishInternal: function(effect) {
    new Effect.Move(effect.element,
      { x: -distance*2, y: 0, duration: split*2,  afterFinishInternal: function(effect) {
    new Effect.Move(effect.element,
      { x:  distance*2, y: 0, duration: split*2,  afterFinishInternal: function(effect) {
    new Effect.Move(effect.element,
      { x: -distance*2, y: 0, duration: split*2,  afterFinishInternal: function(effect) {
    new Effect.Move(effect.element,
      { x:  distance*2, y: 0, duration: split*2,  afterFinishInternal: function(effect) {
    new Effect.Move(effect.element,
      { x: -distance, y: 0, duration: split, 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');
  var elementDimensions = element.getDimensions();
  return new Effect.Scale(element, window.opera ? 0 : 1,
   Object.extend({ scaleContent: false,
    scaleX: false,
    scaleMode: 'box',
    scaleFrom: 100,
    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().show();
    },
    afterUpdateInternal: function(effect) {
      effect.element.down().setStyle({bottom:
        (effect.dims[0] - effect.element.clientHeight) + 'px' });
    },
    afterFinishInternal: function(effect) {
      effect.element.hide().undoClipping().undoPositioned();
      effect.element.down().undoPositioned().setStyle({bottom: oldInnerBottom});
    }
   }, 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] || { },
    oldOpacity = element.getInlineOpacity(),
    transition = options.transition || Effect.Transitions.linear,
    reverser   = function(pos){
      return 1 - transition((-Math.cos((pos*(options.pulses||5)*2)*Math.PI)/2) + .5);
    };

  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(Effect.Base, {
  initialize: function(element) {
    this.element = $(element);
    if (!this.element) throw(Effect._elementDoesNotExistError);
    var options = Object.extend({
      style: { }
    }, arguments[1] || { });

    if (!Object.isString(options.style)) this.style = $H(options.style);
    else {
      if (options.style.include(':'))
        this.style = options.style.parseStyle();
      else {
        this.element.addClassName(options.style);
        this.style = $H(this.element.getStyles());
        this.element.removeClassName(options.style);
        var css = this.element.getStyles();
        this.style = this.style.reject(function(style) {
          return style.value == css[style.key];
        });
        options.afterFinishInternal = function(effect) {
          effect.element.addClassName(effect.options.style);
          effect.transforms.each(function(transform) {
            effect.element.style[transform.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 +
          (transform.targetValue - transform.originalValue) * position).toFixed(3) +
            (transform.unit === null ? '' : transform.unit);
    this.element.setStyle(style, true);
  }
});

Effect.Transform = Class.create({
  initialize: function(tracks){
    this.tracks  = [];
    this.options = arguments[1] || { };
    this.addTracks(tracks);
  },
  addTracks: function(tracks){
    tracks.each(function(track){
      track = $H(track);
      var data = track.values().first();
      this.tracks.push($H({
        ids:     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 ids = track.get('ids'), effect = track.get('effect'), options = track.get('options');
        var elements = [$(ids) || $$(ids)].flatten();
        return elements.map(function(e){ return new effect(e, Object.extend({ sync:true }, 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.__parseStyleElement = document.createElement('div');
String.prototype.parseStyle = function(){
  var style, styleRules = $H();
  if (Prototype.Browser.WebKit)
    style = new Element('div',{style:this}).style;
  else {
    String.__parseStyleElement.innerHTML = '<div style="' + this + '"></div>';
    style = String.__parseStyleElement.childNodes[0].style;
  }

  Element.CSS_PROPERTIES.each(function(property){
    if (style[property]) styleRules.set(property, style[property]);
  });

  if (Prototype.Browser.IE && this.include('opacity'))
    styleRules.set('opacity', this.match(/opacity:\s*((?:0|1)?(?:\.\d*)?)/)[1]);

  return styleRules;
};

if (document.defaultView && document.defaultView.getComputedStyle) {
  Element.getStyles = function(element) {
    var css = document.defaultView.getComputedStyle($(element), null);
    return Element.CSS_PROPERTIES.inject({ }, function(styles, property) {
      styles[property] = css[property];
      return styles;
    });
  };
} else {
  Element.getStyles = function(element) {
    element = $(element);
    var css = element.currentStyle, styles;
    styles = Element.CSS_PROPERTIES.inject({ }, function(results, property) {
      results[property] = css[property];
      return results;
    });
    if (!styles.opacity) styles.opacity = element.getOpacity();
    return styles;
  };
}

Effect.Methods = {
  morph: function(element, style) {
    element = $(element);
    new Effect.Morph(element, Object.extend({ style: style }, arguments[2] || { }));
    return element;
  },
  visualEffect: function(element, effect, options) {
    element = $(element);
    var s = effect.dasherize().camelize(), klass = s.charAt(0).toUpperCase() + s.substring(1);
    new Effect[klass](element, options);
    return element;
  },
  highlight: function(element, options) {
    element = $(element);
    new Effect.Highlight(element, options);
    return element;
  }
};

$w('fade appear grow shrink fold blindUp blindDown slideUp slideDown '+
  'pulsate shake puff squish switchOff dropOut').each(
  function(effect) {
    Effect.Methods[effect] = function(element, options){
      element = $(element);
      Effect[effect.charAt(0).toUpperCase() + effect.substring(1)](element, options);
      return element;
    };
  }
);

$w('getInlineOpacity forceRerendering setContentZoom collectTextNodes collectTextNodesIgnoreClass getStyles').each(
  function(f) { Effect.Methods[f] = Element[f]; }
);

Element.addMethods(Effect.Methods);
var Cookie = {
  set: function(name, value, daysToExpire) {
    var expire = '';
    if (daysToExpire != undefined) {
      var d = new Date();
      d.setTime(d.getTime() + (86400000 * parseFloat(daysToExpire)));
      expire = '; expires=' + d.toGMTString();
    }
    return (document.cookie = escape(name) + '=' + escape(value || '') + expire + '; path=/');
  },
  get: function(name) {
    var cookie = document.cookie.match(new RegExp('(^|;)\\s*' + escape(name) + '=([^;\\s]*)'));
    return (cookie ? unescape(cookie[2]) : null);
  },
  erase: function(name) {
    var cookie = Cookie.get(name) || true;
    Cookie.set(name, '', -1);
    return cookie;
  },
  accept: function() {
    if (typeof navigator.cookieEnabled == 'boolean') {
      return navigator.cookieEnabled;
    }
    Cookie.set('_test', '1');
    return (Cookie.erase('_test') === '1');
  }
};
/* Nifty Corners Cube - rounded corners with CSS and Javascript - Copyright 2006 Alessandro Fulciniti (a.fulciniti@html.it) - GNU General Public License */
var niftyOk=(document.getElementById && document.createElement && Array.prototype.push); var niftyCss=false; String.prototype.find=function(what){ return(this.indexOf(what)>=0 ? true : false);}
var oldonload=window.onload; if(typeof(NiftyLoad)!='function') NiftyLoad=function(){}; if(typeof(oldonload)=='function')
window.onload=function(){oldonload();AddCss();NiftyLoad()}; else window.onload=function(){AddCss();NiftyLoad()}; function AddCss(){ niftyCss=true; var l=CreateEl("link"); l.setAttribute("type","text/css"); l.setAttribute("rel","stylesheet"); l.setAttribute("href","/css/niftyCorners.css"); l.setAttribute("media","screen"); document.getElementsByTagName("head")[0].appendChild(l);}
function Nifty(selector,options){ if(niftyOk==false) return; if(niftyCss==false) AddCss(); var i,v=selector.split(","),h=0; if(options==null) options=""; if(options.find("fixed-height"))
h=getElementsBySelector(v[0])[0].offsetHeight; for(i=0;i<v.length;i++)
Rounded(v[i],options); if(options.find("height")) SameHeight(selector,h);}
function Rounded(selector,options){ var i,top="",bottom="",v=new Array(); if(options!=""){ options=options.replace("left","tl bl"); options=options.replace("right","tr br"); options=options.replace("top","tr tl"); options=options.replace("bottom","br bl"); options=options.replace("transparent","alias"); if(options.find("tl")){ top="both"; if(!options.find("tr")) top="left";}
else if(options.find("tr")) top="right"; if(options.find("bl")){ bottom="both"; if(!options.find("br")) bottom="left";}
else if(options.find("br")) bottom="right";}
if(top=="" && bottom=="" && !options.find("none")){top="both";bottom="both";}
v=getElementsBySelector(selector); for(i=0;i<v.length;i++){ FixIE(v[i]); if(top!="") AddTop(v[i],top,options); if(bottom!="") AddBottom(v[i],bottom,options);}
}
function AddTop(el,side,options){ var d=CreateEl("b"),lim=4,border="",p,i,btype="r",bk,color; d.style.marginLeft="-"+getPadding(el,"Left")+"px"; d.style.marginRight="-"+getPadding(el,"Right")+"px"; if(options.find("alias") || (color=getBk(el))=="transparent"){ color="transparent";bk="transparent"; border=getParentBk(el);btype="t";}
else{ bk=getParentBk(el); border=Mix(color,bk);}
d.style.background=bk; d.className="niftycorners"; p=getPadding(el,"Top"); if(options.find("small")){ d.style.marginBottom=(p-2)+"px"; btype+="s"; lim=2;}
else if(options.find("big")){ d.style.marginBottom=(p-10)+"px"; btype+="b"; lim=8;}
else d.style.marginBottom=(p-5)+"px"; for(i=1;i<=lim;i++)
d.appendChild(CreateStrip(i,side,color,border,btype)); el.style.paddingTop="0"; el.insertBefore(d,el.firstChild);}
function AddBottom(el,side,options){ var d=CreateEl("b"),lim=4,border="",p,i,btype="r",bk,color; d.style.marginLeft="-"+getPadding(el,"Left")+"px"; d.style.marginRight="-"+getPadding(el,"Right")+"px"; if(options.find("alias") || (color=getBk(el))=="transparent"){ color="transparent";bk="transparent"; border=getParentBk(el);btype="t";}
else{ bk=getParentBk(el); border=Mix(color,bk);}
d.style.background=bk; d.className="niftycorners"; p=getPadding(el,"Bottom"); if(options.find("small")){ d.style.marginTop=(p-2)+"px"; btype+="s"; lim=2;}
else if(options.find("big")){ d.style.marginTop=(p-10)+"px"; btype+="b"; lim=8;}
else d.style.marginTop=(p-5)+"px"; for(i=lim;i>0;i--)
d.appendChild(CreateStrip(i,side,color,border,btype)); el.style.paddingBottom=0; el.appendChild(d);}
function CreateStrip(index,side,color,border,btype){ var x=CreateEl("b"); x.className=btype+index; x.style.backgroundColor=color; x.style.borderColor=border; if(side=="left"){ x.style.borderRightWidth="0"; x.style.marginRight="0";}
else if(side=="right"){ x.style.borderLeftWidth="0"; x.style.marginLeft="0";}
return(x);}
function CreateEl(x){ return(document.createElement(x));}
function FixIE(el){ if(el.currentStyle!=null && el.currentStyle.hasLayout!=null && el.currentStyle.hasLayout==false)
el.style.display="inline-block";}
function SameHeight(selector,maxh){ var i,v=selector.split(","),t,j,els=[],gap; for(i=0;i<v.length;i++){ t=getElementsBySelector(v[i]); els=els.concat(t);}
for(i=0;i<els.length;i++){ if(els[i].offsetHeight>maxh) maxh=els[i].offsetHeight; els[i].style.height="auto";}
for(i=0;i<els.length;i++){ gap=maxh-els[i].offsetHeight; if(gap>0){ t=CreateEl("b");t.className="niftyfill";t.style.height=gap+"px"; nc=els[i].lastChild; if(nc.className=="niftycorners")
els[i].insertBefore(t,nc); else els[i].appendChild(t);}
}
}
function getElementsBySelector(selector){ var i,j,selid="",selclass="",tag=selector,tag2="",v2,k,f,a,s=[],objlist=[],c; if(selector.find("#")){ if(selector.find(" ")){ s=selector.split(" "); var fs=s[0].split("#"); if(fs.length==1) return(objlist); f=document.getElementById(fs[1]); if(f){ v=f.getElementsByTagName(s[1]); for(i=0;i<v.length;i++) objlist.push(v[i]);}
return(objlist);}
else{ s=selector.split("#"); tag=s[0]; selid=s[1]; if(selid!=""){ f=document.getElementById(selid); if(f) objlist.push(f); return(objlist);}
}
}
if(selector.find(".")){ s=selector.split("."); tag=s[0]; selclass=s[1]; if(selclass.find(" ")){ s=selclass.split(" "); selclass=s[0]; tag2=s[1];}
}
var v=document.getElementsByTagName(tag); if(selclass==""){ for(i=0;i<v.length;i++) objlist.push(v[i]); return(objlist);}
for(i=0;i<v.length;i++){ c=v[i].className.split(" "); for(j=0;j<c.length;j++){ if(c[j]==selclass){ if(tag2=="") objlist.push(v[i]); else{ v2=v[i].getElementsByTagName(tag2); for(k=0;k<v2.length;k++) objlist.push(v2[k]);}
}
}
}
return(objlist);}
function getParentBk(x){ var el=x.parentNode,c; while(el.tagName.toUpperCase()!="HTML" && (c=getBk(el))=="transparent")
el=el.parentNode; if(c=="transparent") c="#FFFFFF"; return(c);}
function getBk(x){ var c=getStyleProp(x,"backgroundColor"); if(c==null || c=="transparent" || c.find("rgba(0, 0, 0, 0)"))
return("transparent"); if(c.find("rgb")) c=rgb2hex(c); return(c);}
function getPadding(x,side){ var p=getStyleProp(x,"padding"+side); if(p==null || !p.find("px")) return(0); return(parseInt(p));}
function getStyleProp(x,prop){ if(x.currentStyle)
return(x.currentStyle[prop]); if(document.defaultView.getComputedStyle)
return(document.defaultView.getComputedStyle(x,'')[prop]); return(null);}
function rgb2hex(value){ var hex="",v,h,i; var regexp=/([0-9]+)[, ]+([0-9]+)[, ]+([0-9]+)/; var h=regexp.exec(value); for(i=1;i<4;i++){ v=parseInt(h[i]).toString(16); if(v.length==1) hex+="0"+v; else hex+=v;}
return("#"+hex);}
function Mix(c1,c2){ var i,step1,step2,x,y,r=new Array(3); if(c1.length==4)step1=1; else step1=2; if(c2.length==4) step2=1; else step2=2; for(i=0;i<3;i++){ x=parseInt(c1.substr(1+step1*i,step1),16); if(step1==1) x=16*x+x; y=parseInt(c2.substr(1+step2*i,step2),16); if(step2==1) y=16*y+y; r[i]=Math.floor((x*50+y*50)/100); r[i]=r[i].toString(16); if(r[i].length==1) r[i]="0"+r[i];}
return("#"+r[0]+r[1]+r[2]);}
/* SWFObject v2.1 <http://code.google.com/p/swfobject/>
	Copyright (c) 2007-2008 Geoff Stearns, Michael Williams, and Bobby van der Sluis
	This software is released under the MIT License <http://www.opensource.org/licenses/mit-license.php>
*/
var swfobject=function(){var UNDEF="undefined",OBJECT="object",SHOCKWAVE_FLASH="Shockwave Flash",SHOCKWAVE_FLASH_AX="ShockwaveFlash.ShockwaveFlash",FLASH_MIME_TYPE="application/x-shockwave-flash",EXPRESS_INSTALL_ID="SWFObjectExprInst",win=window,doc=document,nav=navigator,domLoadFnArr=[],regObjArr=[],objIdArr=[],listenersArr=[],script,timer=null,storedAltContent=null,storedAltContentId=null,isDomLoaded=false,isExpressInstallActive=false;var ua=function(){var w3cdom=typeof doc.getElementById!=UNDEF&&typeof doc.getElementsByTagName!=UNDEF&&typeof doc.createElement!=UNDEF,playerVersion=[0,0,0],d=null;if(typeof nav.plugins!=UNDEF&&typeof nav.plugins[SHOCKWAVE_FLASH]==OBJECT){d=nav.plugins[SHOCKWAVE_FLASH].description;if(d&&!(typeof nav.mimeTypes!=UNDEF&&nav.mimeTypes[FLASH_MIME_TYPE]&&!nav.mimeTypes[FLASH_MIME_TYPE].enabledPlugin)){d=d.replace(/^.*\s+(\S+\s+\S+$)/,"$1");playerVersion[0]=parseInt(d.replace(/^(.*)\..*$/,"$1"),10);playerVersion[1]=parseInt(d.replace(/^.*\.(.*)\s.*$/,"$1"),10);playerVersion[2]=/r/.test(d)?parseInt(d.replace(/^.*r(.*)$/,"$1"),10):0}}else{if(typeof win.ActiveXObject!=UNDEF){var a=null,fp6Crash=false;try{a=new ActiveXObject(SHOCKWAVE_FLASH_AX+".7")}catch(e){try{a=new ActiveXObject(SHOCKWAVE_FLASH_AX+".6");playerVersion=[6,0,21];a.AllowScriptAccess="always"}catch(e){if(playerVersion[0]==6){fp6Crash=true}}if(!fp6Crash){try{a=new ActiveXObject(SHOCKWAVE_FLASH_AX)}catch(e){}}}if(!fp6Crash&&a){try{d=a.GetVariable("$version");if(d){d=d.split(" ")[1].split(",");playerVersion=[parseInt(d[0],10),parseInt(d[1],10),parseInt(d[2],10)]}}catch(e){}}}}var u=nav.userAgent.toLowerCase(),p=nav.platform.toLowerCase(),webkit=/webkit/.test(u)?parseFloat(u.replace(/^.*webkit\/(\d+(\.\d+)?).*$/,"$1")):false,ie=false,windows=p?/win/.test(p):/win/.test(u),mac=p?/mac/.test(p):/mac/.test(u);
/*@cc_on
			ie = true;
			@if (@_win32)
				windows = true;
			@elif (@_mac)
				mac = true;
			@end
		@*/
return{w3cdom:w3cdom,pv:playerVersion,webkit:webkit,ie:ie,win:windows,mac:mac}}();var onDomLoad=function(){if(!ua.w3cdom){return}addDomLoadEvent(main);if(ua.ie&&ua.win){try{doc.write("<script id=__ie_ondomload defer=true src=//:><\/script>");script=getElementById("__ie_ondomload");if(script){addListener(script,"onreadystatechange",checkReadyState)}}catch(e){}}if(ua.webkit&&typeof doc.readyState!=UNDEF){timer=setInterval(function(){if(/loaded|complete/.test(doc.readyState)){callDomLoadFunctions()}},10)}if(typeof doc.addEventListener!=UNDEF){doc.addEventListener("DOMContentLoaded",callDomLoadFunctions,null)}addLoadEvent(callDomLoadFunctions)}();function checkReadyState(){if(script.readyState=="complete"){script.parentNode.removeChild(script);callDomLoadFunctions()}}function callDomLoadFunctions(){if(isDomLoaded){return}if(ua.ie&&ua.win){var s=createElement("span");try{var t=doc.getElementsByTagName("body")[0].appendChild(s);t.parentNode.removeChild(t)}catch(e){return}}isDomLoaded=true;if(timer){clearInterval(timer);timer=null}var dl=domLoadFnArr.length;for(var i=0;i<dl;i++){domLoadFnArr[i]()}}function addDomLoadEvent(fn){if(isDomLoaded){fn()}else{domLoadFnArr[domLoadFnArr.length]=fn}}function addLoadEvent(fn){if(typeof win.addEventListener!=UNDEF){win.addEventListener("load",fn,false)}else{if(typeof doc.addEventListener!=UNDEF){doc.addEventListener("load",fn,false)}else{if(typeof win.attachEvent!=UNDEF){addListener(win,"onload",fn)}else{if(typeof win.onload=="function"){var fnOld=win.onload;win.onload=function(){fnOld();fn()}}else{win.onload=fn}}}}}function main(){var rl=regObjArr.length;for(var i=0;i<rl;i++){var id=regObjArr[i].id;if(ua.pv[0]>0){var obj=getElementById(id);if(obj){regObjArr[i].width=obj.getAttribute("width")?obj.getAttribute("width"):"0";regObjArr[i].height=obj.getAttribute("height")?obj.getAttribute("height"):"0";if(hasPlayerVersion(regObjArr[i].swfVersion)){if(ua.webkit&&ua.webkit<312){fixParams(obj)}setVisibility(id,true)}else{if(regObjArr[i].expressInstall&&!isExpressInstallActive&&hasPlayerVersion("6.0.65")&&(ua.win||ua.mac)){showExpressInstall(regObjArr[i])}else{displayAltContent(obj)}}}}else{setVisibility(id,true)}}}function fixParams(obj){var nestedObj=obj.getElementsByTagName(OBJECT)[0];if(nestedObj){var e=createElement("embed"),a=nestedObj.attributes;if(a){var al=a.length;for(var i=0;i<al;i++){if(a[i].nodeName=="DATA"){e.setAttribute("src",a[i].nodeValue)}else{e.setAttribute(a[i].nodeName,a[i].nodeValue)}}}var c=nestedObj.childNodes;if(c){var cl=c.length;for(var j=0;j<cl;j++){if(c[j].nodeType==1&&c[j].nodeName=="PARAM"){e.setAttribute(c[j].getAttribute("name"),c[j].getAttribute("value"))}}}obj.parentNode.replaceChild(e,obj)}}function showExpressInstall(regObj){isExpressInstallActive=true;var obj=getElementById(regObj.id);if(obj){if(regObj.altContentId){var ac=getElementById(regObj.altContentId);if(ac){storedAltContent=ac;storedAltContentId=regObj.altContentId}}else{storedAltContent=abstractAltContent(obj)}if(!(/%$/.test(regObj.width))&&parseInt(regObj.width,10)<310){regObj.width="310"}if(!(/%$/.test(regObj.height))&&parseInt(regObj.height,10)<137){regObj.height="137"}doc.title=doc.title.slice(0,47)+" - Flash Player Installation";var pt=ua.ie&&ua.win?"ActiveX":"PlugIn",dt=doc.title,fv="MMredirectURL="+win.location+"&MMplayerType="+pt+"&MMdoctitle="+dt,replaceId=regObj.id;if(ua.ie&&ua.win&&obj.readyState!=4){var newObj=createElement("div");replaceId+="SWFObjectNew";newObj.setAttribute("id",replaceId);obj.parentNode.insertBefore(newObj,obj);obj.style.display="none";var fn=function(){obj.parentNode.removeChild(obj)};addListener(win,"onload",fn)}createSWF({data:regObj.expressInstall,id:EXPRESS_INSTALL_ID,width:regObj.width,height:regObj.height},{flashvars:fv},replaceId)}}function displayAltContent(obj){if(ua.ie&&ua.win&&obj.readyState!=4){var el=createElement("div");obj.parentNode.insertBefore(el,obj);el.parentNode.replaceChild(abstractAltContent(obj),el);obj.style.display="none";var fn=function(){obj.parentNode.removeChild(obj)};addListener(win,"onload",fn)}else{obj.parentNode.replaceChild(abstractAltContent(obj),obj)}}function abstractAltContent(obj){var ac=createElement("div");if(ua.win&&ua.ie){ac.innerHTML=obj.innerHTML}else{var nestedObj=obj.getElementsByTagName(OBJECT)[0];if(nestedObj){var c=nestedObj.childNodes;if(c){var cl=c.length;for(var 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/**
 * The Shadowbox class.
 *
 * This file is part of Shadowbox.
 *
 * Shadowbox is an online media viewer application that supports all of the
 * web's most popular media publishing formats. Shadowbox is written entirely
 * in JavaScript and CSS and is highly customizable. Using Shadowbox, website
 * authors can showcase a wide assortment of media in all major browsers without
 * navigating users away from the linking page.
 *
 * You should have received a license with this distribution explaining the terms
 * under which Shadowbox may be used. If you did not, you may obtain a copy of the
 * license at http://shadowbox-js.com/LICENSE
 *
 * @author      Michael J. I. Jackson <michael@mjijackson.com>
 * @copyright   2007-2009 Michael J. I. Jackson
 * @version     SVN: $Id: shadowbox.js 20M 2009-04-29 04:26:23Z (local) $
 */

/**
 * The Shadowbox class. Used to display different media on a web page using a
 * Lightbox-like effect.
 *
 * Known issues:
 *
 * - Location.toString exception in FF3 when loading Flash content into an
 *   iframe (such as a YouTube video). Known Flash bug, will not be fixed.
 *   http://bugs.adobe.com/jira/browse/FP-561
 *
 * Useful resources:
 *
 * - http://www.alistapart.com/articles/byebyeembed
 * - http://www.w3.org/TR/html401/struct/objects.html
 * - http://www.dyn-web.com/dhtml/iframes/
 * - http://www.apple.com/quicktime/player/specs.html
 * - http://www.apple.com/quicktime/tutorials/embed2.html
 * - http://www.howtocreate.co.uk/wrongWithIE/?chapter=navigator.plugins
 * - http://msdn.microsoft.com/en-us/library/ms532969.aspx
 * - http://support.microsoft.com/kb/316992
 * - http://www.alistapart.com/articles/flashembedcagematch
 */
var Shadowbox = function(){

    var ua = navigator.userAgent.toLowerCase(),

    // the Shadowbox object
    S = {

        /**
         * The current version of Shadowbox.
         *
         * @var     String
         * @public
         */
        version: "3.0b",

        /**
         * The name of the adapter currently being used.
         *
         * @var     String
         * @public
         */
        adapter: null,

        /**
         * The array index of the current gallery that is currently being viewed.
         *
         * @var     Number
         * @public
         */
        current: -1,

        /**
         * An array containing the gallery objects currently being viewed. In the
         * case of non-gallery items, this will only hold one object.
         *
         * @var     Array
         * @public
         */
        gallery: [],

        /**
         * A cache of options for links that have been set up for use with
         * Shadowbox.
         *
         * @var     Array
         * @public
         */
        cache: [],

        /**
         * The current content object.
         *
         * @var     Object
         * @public
         */
        content: null,

        /**
         * Holds the current dimensions of Shadowbox as calculated by its skin.
         * Contains the following properties:
         *
         * - height: The total height of #sb-wrapper (including title & info bars)
         * - width: The total width of #sb-wrapper
         * - inner_h: The height of #sb-body
         * - inner_w: The width of #sb-body
         * - top: The top to use for #sb-wrapper
         * - left: The left to use for #sb-wrapper
         * - oversized: True if the content is oversized (too large for the viewport)
         * - resize_h: The height to use for resizable content
         * - resize_w: The width to use for resizable content
         *
         * @var     Object
         * @public
         */
        dimensions: null,

        /**
         * Contains plugin support information. Each property of this object is a
         * boolean indicating whether that plugin is supported.
         *
         * - fla: Flash player
         * - qt: QuickTime player
         * - wmp: Windows Media player
         * - f4m: Flip4Mac plugin
         *
         * @var     Object
         * @public
         */
        plugins: null,

        /**
         * Contains the base path of the Shadowbox script.
         *
         * Note: This property will automatically be populated in Shadowbox.load.
         *
         * @var     String
         * @public
         */
        path: '/js/',

        /**
         * Contains the default options for Shadowbox.
         *
         * @var     Object
         * @public
         */
        options: {
            adapter: null,              // the library adapter to use
            animate: true,              // enable all animations, except for fades
            animateFade: true,          // enable fade animations
            autoplayMovies: true,       // automatically play movies
            autoDimensions: false,      // use the dimensions of the first piece as
                                        // the initial dimensions (if they are
                                        // available)
            continuous: false,          // enables continuous galleries. When enabled,
                                        // user will be able to skip to the first
                                        // gallery item from the last using next and
                                        // vice versa
            counterLimit: 10,           // limit to the number of counter links that
                                        // are displayed in a "skip" style counter
            counterType: 'default',     // counter type. May be either "default" or
                                        // "skip". Skip counter displays a link for
                                        // each item in gallery
            displayCounter: true,       // display the gallery counter
            displayNav: true,           // show the navigation controls

            /**
             * Easing function used for animations. Based on a cubic polynomial.
             *
             * @param   Number      x       The state of the animation (% complete)
             * @return  Number              The adjusted easing value
             */
            ease: function(x){
                return 1 + Math.pow(x - 1, 3);
            },

            enableKeys: true,           // enable keyboard navigation

            /**
             * An object containing names of plugins and links to their respective
             * download pages.
             */
            errors: {
                fla: {
                    name:   'Flash',
                    url:    'http://www.adobe.com/products/flashplayer/'
                },
                qt: {
                    name:   'QuickTime',
                    url:    'http://www.apple.com/quicktime/download/'
                },
                wmp: {
                    name:   'Windows Media Player',
                    url:    'http://www.microsoft.com/windows/windowsmedia/'
                },
                f4m: {
                    name:   'Flip4Mac',
                    url:    'http://www.flip4mac.com/wmv_download.htm'
                }
            },

            /**
             * A map of players to the file extensions they support. Each member of
             * this object is the name of a player (with one exception), whose value
             * is an array of file extensions that player will "play". The one
             * exception to this rule is the "qtwmp" member, which contains extensions
             * that may be played using either QuickTime or Windows Media Player.
             *
             * - img: Image file extensions
             * - swf: Flash SWF file extensions
             * - flv: Flash video file extensions (will be played by JW FLV player)
             * - qt: Movie file extensions supported by QuickTime
             * - wmp: Movie file extensions supported by Windows Media Player
             * - qtwmp: Movie file extensions supported by both QuickTime and Windows Media Player
             * - iframe: File extensions that will be display in an iframe
             *
             * IMPORTANT: If this object is to be modified, it must be copied in its
             * entirety and tweaked because it is not merged recursively with the
             * default. Also, any modifications must be passed into Shadowbox.init
             * for speed reasons.
             */
            ext: {
                img:        ['png', 'jpg', 'jpeg', 'gif', 'bmp'],
                swf:        ['swf'],
                flv:        ['flv'],
                qt:         ['dv', 'mov', 'moov', 'movie', 'mp4'],
                wmp:        ['asf', 'wm', 'wmv'],
                qtwmp:      ['avi', 'mpg', 'mpeg'],
                iframe:     ['asp', 'aspx', 'cgi', 'cfm', 'htm', 'html', 'jsp',
                    'pl', 'php', 'php3', 'php4', 'php5', 'phtml', 'rb', 'rhtml',
                    'shtml', 'txt', 'vbs']
            },

            fadeDuration: 0.35,         // duration of the fading animations (seconds)

            /**
             * Parameters to pass to flash <object>'s.
             */
            flashParams: {
                bgcolor:            '#000000',
                allowFullScreen:    true
            },

            flashVars: {},              // flash vars
            flashVersion: '9.0.115',    // minimum required flash version suggested
                                        // by JW FLV player

            /**
             * How to handle content that is too large to display in its entirety
             * (and is resizable). A value of 'resize' will resize the content while
             * preserving aspect ratio and display it at the smaller resolution. If
             * the content is an image, a value of 'drag' will display the image at
             * its original resolution but it will be draggable within Shadowbox. A
             * value of 'none' will display the content at its original resolution
             * but it may be cropped.
             */
            handleOversize: 'resize',

            /**
             * The mode to use when handling unsupported media. May be either
             * 'remove' or 'link'. If it is 'remove', the unsupported gallery item
             * will merely be removed from the gallery. If it is the only item in
             * the gallery, the link will simply be followed. If it is 'link', a
             * link will be provided to the appropriate plugin page in place of the
             * gallery element.
             */
            handleUnsupported: 'link',

            initialHeight: 160,         // initial height (pixels)
            initialWidth: 320,          // initial width (pixels)
            language: 'en',             // the language to use
            modal: false,               // trigger Shadowbox.close() when overlay is
                                        // clicked
            onChange: null,             // hook function to be fired when changing
                                        // from one item to the next. Is passed the
                                        // item that is about to be displayed
            onClose: null,              // hook function to be fired when closing.
                                        // is passed the most recent item
            onFinish: null,             // hook function to be fired when finished
                                        // loading content. Is passed current
                                        // gallery item
            onOpen: null,               // hook function to be fired when opening.
                                        // is passed the current gallery item
            overlayColor: '#000',       // color to use for modal overlay
            overlayOpacity: 0.8,        // opacity to use for modal overlay
            players: ['img'],           // the players to load
            resizeDuration: 0.35,       // duration of resizing animations (seconds)
            showOverlay: true,          // show the overlay
            showMovieControls: true,    // enable movie controls on movie players
            skipSetup: false,           // skip calling Shadowbox.setup() during
                                        // shadowbox.init()
            slideshowDelay: 0,          // delay to use for slideshows (seconds). If
                                        // set to any duration other than 0, is interval
                                        // at which slideshow will advance
            useSizzle: true,            // use sizzle.js to support css selectors
            viewportPadding: 20         // amount of padding to maintain around the
                                        // edge of the viewport at all times (pixels)
        },

        /**
         * Some simple browser detection variables.
         *
         * @var     Object
         * @public
         */
        client: {
            isIE:       ua.indexOf('msie') > -1,
            isIE6:      ua.indexOf('msie 6') > -1,
            isIE7:      ua.indexOf('msie 7') > -1,
            isGecko:    ua.indexOf('gecko') > -1 && ua.indexOf('safari') == -1,
            isWebkit:   ua.indexOf('applewebkit/') > -1,
            isWindows:  ua.indexOf('windows') > -1 || ua.indexOf('win32') > -1,
            isMac:      ua.indexOf('macintosh') > -1 || ua.indexOf('mac os x') > -1,
            isLinux:    ua.indexOf('linux') > -1
        },

        /**
         * An object containing some regular expressions we'll need later. Compiled
         * up front for speed.
         *
         * @var     Object
         * @public
         */
        regex: {
            domain:         /:\/\/(.*?)[:\/]/,              // domain prefix
            inline:         /#(.+)$/,                       // inline element id
            rel:            /^(light|shadow)box/i,          // rel attribute format
            gallery:        /^(light|shadow)box\[(.*?)\]/i, // rel attribute format for gallery link
            unsupported:    /^unsupported-(\w+)/,           // unsupported media type
            param:          /\s*([a-z_]*?)\s*=\s*(.+)\s*/   // rel string parameter
        },

        /**
         * A map of library object names to their corresponding Shadowbox adapter
         * names.
         *
         * @var     Object
         * @public
         */
        libraries: {
            Prototype:  'prototype',
            jQuery:     'jquery',
            MooTools:   'mootools',
            YAHOO:      'yui',
            dojo:       'dojo',
            Ext:        'ext'
        },

        /**
         * Applies the given set of options to those currently in use.
         *
         * Note: Options will be reset on Shadowbox.open() so this function is
         * only useful after it has already been called (while Shadowbox is
         * open).
         *
         * @param   Object      opts        The options to apply
         * @return  void
         * @public
         */
        applyOptions: function(opts){
            if(opts){
                // store defaults, use apply to break reference
                default_options = apply({}, S.options);
                apply(S.options, opts);
            }
        },

        /**
         * Builds an object from the original link element data to store in cache.
         * These objects contain (most of) the following keys:
         *
         * - el: the link element
         * - title: the object's title
         * - player: the player to use for the object
         * - content: the object's URL
         * - gallery: the gallery the object belongs to (optional)
         * - height: the height of the object (only necessary for movies)
         * - width: the width of the object (only necessary for movies)
         * - options: custom options to use (optional)
         *
         * A custom set of options may be passed in here that will be applied when
         * this object is displayed. However, any options that are specified in
         * the link's HTML markup will trump options given here.
         *
         * @param   HTMLElement     link    The link element to process
         * @param   Object          opts    A set of options to use for the object
         * @return  Object                  An object representing the link
         * @public
         */
        buildCacheObj: function(link, opts){
            var href = link.href, // don't use getAttribute() here
            obj = {
                el:         link,
                title:      link.getAttribute('title'),
                options:    apply({}, opts || {}),
                content:    href
            };

            // remove link-level options from top-level options
            each(['player', 'title', 'height', 'width', 'gallery'], function(o){
                if(typeof obj.options[o] != 'undefined'){
                    obj[o] = obj.options[o];
                    delete obj.options[o];
                }
            });

            if(!obj.player)
                obj.player = getPlayer(href);

            // HTML options always trump JavaScript options, so do these last
            var rel = link.getAttribute('rel');
            if(rel){
                // extract gallery name from shadowbox[name] format
                var m = rel.match(S.regex.gallery);
                if(m)
                    obj.gallery = escape(m[2]);

                // other parameters
                each(rel.split(';'), function(p){
                    m = p.match(S.regex.param);
                    if(m){
                        if(m[1] == 'options')
                            eval('apply(obj.options,' + m[2] + ')');
                        else
                            obj[m[1]] = m[2];
                    }
                });
            }

            return obj;
        },

        /**
         * Jumps to the piece in the current gallery with the given index.
         *
         * @param   Number      n       The gallery index to view
         * @return  void
         * @public
         */
        change: function(n){
            if(!S.gallery) return; // no current gallery
            if(!S.gallery[n]){ // index does not exist
                if(!S.options.continuous){
                    return;
                }else{
                    n = n < 0 ? S.gallery.length - 1 : 0; // loop
                }
            }

            // update current
            S.current = n;

            if(typeof slide_timer == 'number'){
                clearTimeout(slide_timer);
                slide_timer = null;
                slide_delay = slide_start = 0; // reset slideshow variables
            }

            if(S.options.onChange)
                S.options.onChange();

            loadContent();
        },

        /**
         * Removes all onclick listeners from elements that have been setup with
         * Shadowbox and clears all objects from cache.
         *
         * @return  void
         * @public
         */
        clearCache: function(){
            each(S.cache, function(obj){
                if(obj.el)
                    S.lib.removeEvent(obj.el, 'click', handleClick);
            });
            S.cache = [];
        },

        /**
         * Deactivates Shadowbox.
         *
         * @return  void
         * @public
         */
        close: function(){
            if(!active) return; // already closed
            active = false;

            listenKeys(false);

            // remove the content
            if(S.content){
                S.content.remove();
                S.content = null;
            }

            // clear slideshow variables
            if(typeof slide_timer == 'number')
                clearTimeout(slide_timer);
            slide_timer = null;
            slide_delay = 0;

            if(S.options.onClose)
                S.options.onClose();

            S.skin.onClose();

            S.revertOptions();

            // reset troublesome elements to stored visibility settings
            each(v_cache, function(c){
                c[0].style.visibility = c[1];
            });
        },

        /**
         * Gets the id that should be used for content elements.
         *
         * @return  String          The content element id
         * @public
         */
        contentId: function(){
            return content_id;
        },

        /**
         * Gets the values that should appear in the counter (if the skin
         * supports counters). If a "skip" style counter is used, the return
         * value should be an array of all counter indexes that should be
         * displayed. If the "default" counter is used, the return value will
         * be a simple "1 of 5" message as a string. The skin can use the return
         * type to determine how to build the counter.
         *
         * @return  mixed           The counter as described above
         * @public
         */
        getCounter: function(){
            var len = S.gallery.length;

            if(S.options.counterType == 'skip'){
                // limit the counter?
                var c = [],
                    i = 0,
                    end = len,
                    limit = parseInt(S.options.counterLimit) || 0;

                if(limit < len && limit > 2){ // support large galleries
                    var h = Math.floor(limit / 2);
                    i = S.current - h;
                    if(i < 0) i += len;
                    end = S.current + (limit - h);
                    if(end > len) end -= len;
                }
                while(i != end){
                    if(i == len) i = 0;
                    c.push(i++);
                }
            }else
                var c = (S.current + 1) + ' ' + S.lang.of + ' ' + len;

            return c;
        },

        /**
         * Gets the current gallery object.
         *
         * @return  Object          The current gallery item
         * @public
         */
        getCurrent: function(){
            return S.current > -1 ? S.gallery[S.current] : null;
        },

        /**
         * Determines if there is a next piece to display in the current
         * gallery.
         *
         * @return  Boolean         True if there is another piece
         * @public
         */
        hasNext: function(){
            return S.gallery.length > 1 &&
                (S.current != S.gallery.length - 1 || S.options.continuous);
        },

        /**
         * Initializes the Shadowbox environment. Should be called by the user in
         * the <head> of the HTML document.
         *
         * Note: This function attempts to load all Shadowbox dependencies
         * dynamically using document.write. However, if these dependencies are
         * already included, they won't be loaded again.
         *
         * @param   Object      opts    (optional) The default options to use
         * @return  void
         * @public
         */
        init: function(opts){
            if(initialized) return; // don't initialize twice
            initialized = true;

            opts = opts || {};
            init_options = opts;

            // apply options
            if(opts)
                apply(S.options, opts);

            // compile file type regular expressions here for speed
            for(var e in S.options.ext)
                S.regex[e] = new RegExp('\.(' + S.options.ext[e].join('|') + ')\s*$', 'i');

            if(!S.path){
                // determine script path automatically
                var path_re = /(.+)shadowbox\.js/i, path;
                each(document.getElementsByTagName('script'), function(s){
                    if((path = path_re.exec(s.src)) != null){
                        S.path = path[1];
                        return false;
                    }
                });
            }

            // determine adapter
            if(S.options.adapter)
                S.adapter = S.options.adapter;
            else{
                for(var lib in S.libraries){
                    if(typeof window[lib] != 'undefined'){
                        S.adapter = S.libraries[lib];
                        break;
                    }
                }
                if(!S.adapter)
                    S.adapter = 'base';
            }

            // load dependencies
            if(S.options.useSizzle && !window['Sizzle'])
                U.include(S.path + 'libraries/sizzle/sizzle.js');
            if(!S.lang)
                U.include(S.path + 'languages/shadowbox-' + S.options.language + '.js');
            each(S.options.players, function(p){
                if((p == 'swf' || p == 'flv') && !window['swfobject'])
                    U.include(S.path + 'swfobject.js');
                if(!S[p])
                    U.include(S.path + 'players/shadowbox-' + p + '.js');
            });
            if(!S.lib)
                U.include(S.path + 'adapters/shadowbox-' + S.adapter + '.js');
        },

        /**
         * Tells whether or not Shadowbox is currently activated.
         *
         * @return  Boolean         True if activated, false otherwise
         * @public
         */
        isActive: function(){
            return active;
        },

        /**
         * Tells whether or not Shadowbox is currently in the middle of a
         * slideshow in a paused state.
         *
         * @return  Boolean         True if paused, false otherwise
         * @public
         */
        isPaused: function(){
            return slide_timer == 'paused';
        },

        /**
         * Loads Shadowbox into the DOM. Is called automatically by each adapter
         * as soon as the DOM is ready.
         *
         * @return  void
         * @public
         */
        load: function(){
            // apply skin options, re-apply user init options in case they overwrite
            if(S.skin.options){
                apply(S.options, S.skin.options);
                apply(S.options, init_options);
            }

            // append markup and initialize skin
            var markup = S.skin.markup.replace(/\{(\w+)\}/g, function(m, p){
                return S.lang[p];
            });
            S.lib.append(document.body, markup);

            if(S.skin.init)
                S.skin.init();

            // set up window resize event handler
            var id;
            S.lib.addEvent(window, 'resize', function(){
                // use 50 ms event buffering to prevent jerky window resizing
                if(id){
                    clearTimeout(id);
                    id = null;
                }
                // check if activated because IE7 fires window resize event
                // when container display is set to block
                if(active){
                    id = setTimeout(function(){
                        if(S.skin.onWindowResize)
                            S.skin.onWindowResize();
                        var c = S.content;
                        if(c && c.onWindowResize)
                            c.onWindowResize();
                    }, 50);
                }
            });

            if(!S.options.skipSetup)
                S.setup();
        },

        /**
         * Jumps to the next piece in the gallery.
         *
         * @return  void
         * @public
         */
        next: function(){
            S.change(S.current + 1);
        },

        /**
         * Opens the given object in Shadowbox. This object may be either an
         * anchor/area element, or an object similar to the one created by
         * Shadowbox.buildCacheObj().
         *
         * @param   mixed       obj         The object or link element that defines
         *                                  what to display
         * @return  void
         * @public
         */
        open: function(obj){
            // if it's a link element, build an object on the fly
            if(U.isLink(obj))
                obj = S.buildCacheObj(obj);

            // set up the gallery
            if(obj.constructor == Array){
                S.gallery = obj;
                S.current = 0;
            }else{
                if(!obj.gallery){
                    // single item, no gallery
                    S.gallery = [obj];
                    S.current = 0;
                }else{
                    // gallery item, build gallery from cached gallery elements
                    S.current = null;
                    S.gallery = [];
                    each(S.cache, function(c){
                        if(c.gallery && c.gallery == obj.gallery){
                            if(S.current == null && c.content == obj.content && c.title == obj.title)
                                S.current = S.gallery.length;
                            S.gallery.push(c);
                        }
                    });

                    // if not found in cache, prepend to front of gallery
                    if(S.current == null){
                        S.gallery.unshift(obj);
                        S.current = 0;
                    }
                }
            }

            obj = S.getCurrent();
            if(obj.options){
                S.revertOptions();
                S.applyOptions(obj.options);
            }

            // filter gallery for unsupported elements
            var g, r, m, s, a, oe = S.options.errors, msg, el;
            for(var i = 0; i < S.gallery.length; ++i){
                // use apply to break the reference to the original object here
                // because we'll be modifying the properties of the gallery objects
                // directly and we don't want to taint them in case they are used
                // again in a future call
                g = S.gallery[i] = apply({}, S.gallery[i]);
                r = false; // remove the element?
                if(g.player == 'unsupported'){
                    // don't support this at all
                    r = true;
                }else if(m = S.regex.unsupported.exec(g.player)){
                    // handle unsupported elements
                    if(S.options.handleUnsupported == 'link'){
                        g.player = 'html';
                        // generate a link to the appropriate plugin download page(s)
                        switch(m[1]){
                            case 'qtwmp':
                                s = 'either';
                                a = [oe.qt.url, oe.qt.name, oe.wmp.url, oe.wmp.name];
                            break;
                            case 'qtf4m':
                                s = 'shared';
                                a = [oe.qt.url, oe.qt.name, oe.f4m.url, oe.f4m.name];
                            break;
                            default:
                                s = 'single';
                                if(m[1] == 'swf' || m[1] == 'flv') m[1] = 'fla';
                                a = [oe[m[1]].url, oe[m[1]].name];
                        }
                        msg = S.lang.errors[s].replace(/\{(\d+)\}/g, function(m, n){
                            return a[n];
                        });
                        g.content = '<div class="sb-message">' + msg + '</div>';
                    }else
                        r = true;
                }else if(g.player == 'inline'){
                    // inline element, retrieve innerHTML
                    m = S.regex.inline.exec(g.content);
                    if(m){
                        var el = U.get(m[1]);
                        if(el)
                            g.content = el.innerHTML;
                        else
                            throw 'Cannot find element with id ' + m[1];
                    }else
                        throw 'Cannot find element id for inline content';
                }else if(g.player == 'swf' || g.player == 'flv'){
                    var version = (g.options && g.options.flashVersion) || S.options.flashVersion;
                    if(!swfobject.hasFlashPlayerVersion(version)){
                        // express install will be triggered because the client
                        // does not have the minimum required version of flash
                        // installed, set height and width to those of express
                        // install swf
                        g.width = 310;
                        // minimum height is 127, but +20 pixels on top and bottom
                        // looks better
                        g.height = 177;
                    }
                }
                if(r){
                    S.gallery.splice(i, 1); // remove from gallery
                    if(i < S.current)
                        --S.current; // maintain integrity of S.current
                    else if(i == S.current)
                        S.current = i > 0 ? i - 1 : i; // look for supported neighbor
                    --i; // decrement index for next loop
                }
            }

            // anything left to display?
            if(S.gallery.length){
                if(!active){
                    // fire onOpen hook
                    if(typeof S.options.onOpen == 'function' && S.options.onOpen(obj) === false) return;

                    // hide elements troublesome for modal overlays
                    v_cache = [];
                    each(['select', 'object', 'embed', 'canvas'], function(tag){
                        each(document.getElementsByTagName(tag), function(el){
                            v_cache.push([el, el.style.visibility || 'visible']);
                            el.style.visibility = 'hidden';
                        });
                    });

                    // set initial dimensions & load
                    var h = S.options.autoDimensions && 'height' in obj
                        ? obj.height
                        : S.options.initialHeight;
                    var w = S.options.autoDimensions && 'width' in obj
                        ? obj.width
                        : S.options.initialWidth;

                    S.skin.onOpen(h, w, loadContent);
                }else
                    loadContent();

                active = true;
            }
        },

        /**
         * Pauses the current slideshow.
         *
         * @return  void
         * @public
         */
        pause: function(){
            if(typeof slide_timer != 'number') return;

            var time = new Date().getTime();
            slide_delay = Math.max(0, slide_delay - (time - slide_start));

            // if there's any time left on current slide, pause the timer
            if(slide_delay){
                clearTimeout(slide_timer);
                slide_timer = 'paused';

                if(S.skin.onPause)
                    S.skin.onPause();
            }
        },

        /**
         * Sets the timer for the next image in the slideshow to be displayed.
         *
         * @return  void
         * @public
         */
        play: function(){
            if(!S.hasNext()) return;
            if(!slide_delay) slide_delay = S.options.slideshowDelay * 1000;
            if(slide_delay){
                slide_start = new Date().getTime();
                slide_timer = setTimeout(function(){
                    slide_delay = slide_start = 0; // reset slideshow
                    S.next();
                }, slide_delay);

                if(S.skin.onPlay)
                    S.skin.onPlay();
            }
        },

        /**
         * Jumps to the previous piece in the gallery.
         *
         * @return  void
         * @public
         */
        previous: function(){
            S.change(S.current - 1);
        },

        /**
         * Reverts Shadowbox' options to the last default set in use before
         * Shadowbox.applyOptions() was called.
         *
         * @return  void
         * @public
         */
        revertOptions: function(){
            apply(S.options, default_options);
        },

        /**
         * Calculates the dimensions for Shadowbox according to the given
         * parameters. Will determine if content is oversized (too large for the
         * viewport) and will automatically constrain resizable content
         * according to user preference.
         *
         * @param   Number      height      The content height
         * @param   Number      width       The content width
         * @param   Number      max_h       The maximum height available (should
         *                                  be the height of the viewport)
         * @param   Number      max_w       The maximum width available (should
         *                                  be the width of the viewport)
         * @param   Number      tb          The extra top/bottom pixels that are
         *                                  required for borders/toolbars
         * @param   Number      lr          The extra left/right pixels that are
         *                                  required for borders/toolbars
         * @param   Boolean     resizable   True if the content is able to be
         *                                  resized. Defaults to false
         * @return  Object                  The Shadowbox.dimensions object
         * @public
         */
        setDimensions: function(height, width, max_h, max_w, tb, lr, resizable){
            var h = height = parseInt(height),
                w = width = parseInt(width),
                pad = parseInt(S.options.viewportPadding) || 0;

            // calculate the max height/width
            var extra_h = 2 * pad + tb;
            if(h + extra_h >= max_h) h = max_h - extra_h;
            var extra_w = 2 * pad + lr;
            if(w + extra_w >= max_w) w = max_w - extra_w;

            // handle oversized content
            var resize_h = height,
                resize_w = width,
                change_h = (height - h) / height,
                change_w = (width - w) / width,
                oversized = (change_h > 0 || change_w > 0);
            if(resizable && oversized && S.options.handleOversize == 'resize'){
                // adjust resized height/width, preserve original aspect ratio
                if(change_h > change_w)
                    w = Math.round((width / height) * h);
                else if(change_w > change_h)
                    h = Math.round((height / width) * w);
                resize_w = w;
                resize_h = h;
            }

            // update Shadowbox.dimensions
            S.dimensions = {
                height:     h + tb,
                width:      w + lr,
                inner_h:    h,
                inner_w:    w,
                top:        (max_h - (h + extra_h)) / 2 + pad,
                left:       (max_w - (w + extra_w)) / 2 + pad,
                oversized:  oversized,
                resize_h:   resize_h,
                resize_w:   resize_w
            };

            return S.dimensions;
        },

        /**
         * Sets up listeners on the given links that will trigger Shadowbox. If no
         * links are given, this method will set up every anchor element on the page
         * with the appropriate rel attribute. It is important to note that any
         * options given here will be applied to all link elements. Multiple calls
         * to this method may be needed if different options are desired.
         *
         * Note: Because AREA elements do not support the rel attribute, they must
         * be explicitly passed to this method.
         *
         * @param   Array       links       An array (or array-like) list of anchor
         *                                  and/or area elements to set up
         * @param   Object      opts        Some options to use for the given links
         * @return  void
         * @public
         */
        setup: function(links, opts){
            // get links if none specified
            if(!links){
                var links = [], rel;
                each(document.getElementsByTagName('a'), function(a){
                    rel = a.getAttribute('rel');
                    if(rel && S.regex.rel.test(rel)) links.push(a);
                });
            }else{
                var len = links.length;
                if(len){
                    if(window['Sizzle']){
                        if(typeof links == 'string')
                            links = Sizzle(links); // lone selector
                        else if(len == 2 && links.push && typeof links[0] == 'string' && links[1].nodeType)
                            links = Sizzle(links[0], links[1]); // selector + context
                    }
                }else
                    links = [links]; // single link
            }

            each(links, function(link){
                if(typeof link.shadowboxCacheKey == 'undefined'){
                    // assign cache key expando, use integer primitive to avoid
                    // memory leak in IE
                    link.shadowboxCacheKey = S.cache.length;
                    // add onclick listener
                    S.lib.addEvent(link, 'click', handleClick);
                }
                S.cache[link.shadowboxCacheKey] = S.buildCacheObj(link, opts);
            });
        }

    },

    U = S.util = {

        /**
         * Animates any numeric (not color) style of the given element from its
         * current state to the given value. Defaults to using pixel-based
         * measurements.
         *
         * @param   HTMLElement     el      The element to animate
         * @param   String          p       The property to animate (in camelCase)
         * @param   mixed           to      The value to animate to
         * @param   Number          d       The duration of the animation (in
         *                                  seconds)
         * @param   Function        cb      A callback function to call when the
         *                                  animation completes
         * @return  void
         * @public
         */
        animate: function(el, p, to, d, cb){
            var from = parseFloat(S.lib.getStyle(el, p));
            if(isNaN(from)) from = 0;

            var delta = to - from;
            if(delta == 0){
                if(cb) cb();
                return; // nothing to animate
            }

            var op = p == 'opacity';

            function fn(ease){
                var to = from + ease * delta;
                if(op)
                    U.setOpacity(el, to);
                else
                    el.style[p] = to + 'px'; // default unit is px
            }

            // cancel the animation here if duration is 0 or if set in the options
            if(!d || (!op && !S.options.animate) || (op && !S.options.animateFade)){
                fn(1);
                if(cb) cb();
                return;
            }

            d *= 1000; // convert to milliseconds
            var begin = new Date().getTime(),
                end = begin + d,
                time,
                timer = setInterval(function(){
                    time = new Date().getTime();
                    if(time >= end){ // end of animation
                        clearInterval(timer);
                        fn(1);
                        if(cb) cb();
                    }else
                        fn(S.options.ease((time - begin) / d));
                }, 10); // 10 ms interval is minimum on webkit
        },

        /**
         * Applies all properties of e to o.
         *
         * @param   Object      o       The original object
         * @param   Object      e       The extension object
         * @return  Object              The original object with all properties
         *                              of the extension object applied
         * @public
         */
        apply: function(o, e){
            for(var p in e)
                o[p] = e[p];
            return o;
        },

        /**
         * A utility function used by the fade functions to clear the opacity
         * style setting of the given element. Required in some cases for IE.
         *
         * @param   HTMLElement     el      The element
         * @return  void
         * @public
         */
        clearOpacity: function(el){
            var s = el.style;
            if(window.ActiveXObject){
                // be careful not to overwrite other filters!
                if(typeof s.filter == 'string' && (/alpha/i).test(s.filter))
                    s.filter = s.filter.replace(/[\w\.]*alpha\(.*?\);?/i, '');
            }else
                s.opacity = '';
        },

        /**
         * Calls the given function for each element of obj. The obj element must
         * be array-like (meaning it must have a length property and be able to
         * be accessed using the array square bracket syntax). If scope is not
         * explicitly given, the callback will be called with a scope of the
         * current item. Will stop execution if a callback returns false.
         *
         * @param   mixed       obj     An array-like object containing the
         *                              elements
         * @param   Function    fn      The callback function
         * @param   mixed       scope   The scope of the callback
         * @return  void
         * @public
         */
        each: function(obj, fn, scope){
            for(var i = 0, len = obj.length; i < len; ++i)
                if(fn.call(scope || obj[i], obj[i], i, obj) === false) return;
        },

        /**
         * Gets an element by its id.
         *
         * @param   String      id      The element id
         * @return  HTMLElement         A reference to the element with the
         *                              given id
         * @public
         */
        get: function(id){
            return document.getElementById(id);
        },

        /**
         * Dynamically includes a JavaScript file in the current page.
         *
         * @param   String      file    The name of the js file to include
         * @return  void
         * @public
         */
        include: function(){
            var includes = {};
            return function(file){
                if(includes[file]) return; // don't include same file twice
                includes[file] = true;
                document.write('<scr' + 'ipt type="text/javascript" src="' + file + '"><\/script>');
            }
        }(),

        /**
         * Determines if the given object is an anchor/area element.
         *
         * @param   mixed       obj     The object to check
         * @return  Boolean             True if the object is a link element
         * @public
         */
        isLink: function(obj){
            if(!obj || !obj.tagName) return false;
            var up = obj.tagName.toUpperCase();
            return up == 'A' || up == 'AREA';
        },

        /**
         * Removes all child nodes from the given element.
         *
         * @param   HTMLElement     el      The element
         * @return  void
         * @public
         */
        removeChildren: function(el){
            while(el.firstChild)
                el.removeChild(el.firstChild);
        },

        /**
         * Sets the opacity of the given element to the specified level.
         *
         * @param   HTMLElement     el      The element
         * @param   Number          o       The opacity to use
         * @return  void
         * @public
         */
        setOpacity: function(el, o){
            var s = el.style;
            if(window.ActiveXObject){
                s.zoom = 1; // trigger hasLayout
                s.filter = (s.filter || '').replace(/\s*alpha\([^\)]*\)/gi, '') +
                    (o == 1 ? '' : ' alpha(opacity=' + (o * 100) + ')');
            }else
                s.opacity = o;
        }

    },

    // shorthand
    apply = U.apply,
    each = U.each,

    /**
     * The initial options object that was given by the user.
     *
     * @var     Object
     * @private
     */
    init_options,

    /**
     * Keeps track of whether or not Shadowbox.init has been called.
     *
     * @var     Boolean
     * @private
     */
    initialized = false,

    /**
     * Stores the default set of options in case a custom set of options is used
     * on a link-by-link basis so we can restore them later.
     *
     * @var     Object
     * @private
     */
    default_options = {},

    /**
     * The id to use for content objects.
     *
     * @var     String
     * @private
     */
    content_id = 'sb-content',

    /**
     * Keeps track of whether or not Shadowbox is activated.
     *
     * @var     Boolean
     * @private
     */
    active = false,

    /**
     * The timeout id for the slideshow transition function.
     *
     * @var     Number
     * @private
     */
    slide_timer,

    /**
     * Keeps track of the time at which the current slideshow frame was
     * displayed.
     *
     * @var     Number
     * @private
     */
    slide_start,

    /**
     * The delay on which the next slide will display.
     *
     * @var     Number
     * @private
     */
    slide_delay = 0,

    /**
     * A cache for elements that are troublesome for modal overlays.
     *
     * @var     Array
     * @private
     */
    v_cache = [];

    // detect plugin support
    if(navigator.plugins && navigator.plugins.length){
        var names = [];
        each(navigator.plugins, function(p){
            names.push(p.name);
        });
        names = names.join();
        var detectPlugin = function(n){
            return names.indexOf(n) > -1;
        }
        var f4m = detectPlugin('Flip4Mac');
        S.plugins = {
            fla:    detectPlugin('Shockwave Flash'),
            qt:     detectPlugin('QuickTime'),
            wmp:    !f4m && detectPlugin('Windows Media'), // if it's Flip4Mac, it's not really WMP
            f4m:    f4m
        }
    }else{
        function detectPlugin(n){
            try{
                var axo = new ActiveXObject(n);
            }catch(e){}
            return !!axo;
        }
        S.plugins = {
            fla:    detectPlugin('ShockwaveFlash.ShockwaveFlash'),
            qt:     detectPlugin('QuickTime.QuickTime'),
            wmp:    detectPlugin('wmplayer.ocx'),
            f4m:    false
        }
    }

    /**
     * Determines the player needed to display the file at the given URL. If
     * the file type is not supported, the return value will be 'unsupported'.
     * If the file type is not supported but the correct player can be
     * determined, the return value will be 'unsupported-*' where * will be the
     * player abbreviation (e.g. 'qt' = QuickTime).
     *
     * @param   String      url     The url of the file
     * @return  String              The name of the player to use
     * @private
     */
    function getPlayer(url){
        var re = S.regex,
            p = S.plugins,
            m = url.match(re.domain),
            d = m && document.domain == m[1]; // same domain
        if(url.indexOf('#') > -1 && d) return 'inline';
        var q = url.indexOf('?');
        if(q > -1) url = url.substring(0, q); // strip query string for player detection purposes
        if(re.img.test(url)) return 'img';
        if(re.swf.test(url)) return p.fla ? 'swf' : 'unsupported-swf';
        if(re.flv.test(url)) return p.fla ? 'flv' : 'unsupported-flv';
        if(re.qt.test(url)) return p.qt ? 'qt' : 'unsupported-qt';
        if(re.wmp.test(url)){
            if(p.wmp) return 'wmp';
            if(p.f4m) return 'qt';
            if(S.client.isMac) return p.qt ? 'unsupported-f4m' : 'unsupported-qtf4m';
            return 'unsupported-wmp';
        }
        if(re.qtwmp.test(url)){
            if(p.qt) return 'qt';
            if(p.wmp) return 'wmp';
            return S.client.isMac ? 'unsupported-qt' : 'unsupported-qtwmp';
        }
        if(!d || re.iframe.test(url))
            return 'iframe';
        return 'unsupported'; // same domain, not supported
    }

    /**
     * Handles all clicks on links that have been set up to work with Shadowbox
     * and cancels the default event behavior when appropriate.
     *
     * @param   HTMLEvent   e           The click event object
     * @return  void
     * @private
     */
    function handleClick(e){
        // get anchor/area element
        var link;
        if(U.isLink(this)){
            link = this; // jQuery, Prototype, YUI
        }else{
            link = S.lib.getTarget(e); // Ext, standalone
            while(!U.isLink(link) && link.parentNode)
                link = link.parentNode;
        }

        //S.lib.preventDefault(e); // good for debugging

        if(link){
            // if this link has already been set up, use the cached version
            var key = link.shadowboxCacheKey;
            if(typeof key != 'undefined' && typeof S.cache[key] != 'undefined')
                link = S.cache[key];

            S.open(link);
            if(S.gallery.length) S.lib.preventDefault(e); // stop event
        }
    }

    /**
     * Sets up a listener on the document for keystrokes.
     *
     * @param   Boolean     on      True to enable the listener, false to turn
     *                              it off
     * @return  void
     * @private
     */
    function listenKeys(on){
        if(!S.options.enableKeys) return;
        S.lib[(on ? 'add' : 'remove') + 'Event'](document, 'keydown', handleKey);
    }

    /**
     * A listener function that is fired when a key is pressed.
     *
     * @param   mixed       e       The event object
     * @return  void
     * @private
     */
    function handleKey(e){
        var code = S.lib.keyCode(e);

        // attempt to prevent default key action
        S.lib.preventDefault(e);

        switch(code){
            case 81: // q
            case 88: // x
            case 27: // esc
                S.close();
                break;
            case 37: // left
                S.previous();
                break;
            case 39: // right
                S.next();
                break;
            case 32: // space
                S[(typeof slide_timer == 'number' ? 'pause' : 'play')]();
        }
    }

    /**
     * Loads the Shadowbox with the current piece.
     *
     * @return  void
     * @private
     */
    function loadContent(){
        var obj = S.getCurrent();
        if(!obj) return;

        // determine player, inline is really just HTML
        var p = obj.player == 'inline' ? 'html' : obj.player;
        if(typeof S[p] != 'function')
            throw 'Unknown player: ' + p;

        var change = false;
        if(S.content){
            // changing from some previous content
            S.content.remove(); // remove old content
            change = true;

            S.revertOptions();
            if(obj.options)
                S.applyOptions(obj.options);
        }

        // make sure the body element doesn't have any children, just in case
        U.removeChildren(S.skin.bodyEl());

        // load the content
        S.content = new S[p](obj);
        listenKeys(false); // disable the keyboard while content is loading

        S.skin.onLoad(S.content, change, function(){
            if(!S.content) return;

            if(typeof S.content.ready != 'undefined'){
                // if content object has a ready property, wait for it to be
                // ready before loading
                var id = setInterval(function(){
                    if(S.content){
                        if(S.content.ready){
                            clearInterval(id);
                            id = null;
                            S.skin.onReady(contentReady);
                        }
                    }else{ // content has been removed
                        clearInterval(id);
                        id = null;
                    }
                }, 100);
            }else
                S.skin.onReady(contentReady);
        });

        // preload neighboring gallery images
        if(S.gallery.length > 1){
            var next = S.gallery[S.current + 1] || S.gallery[0];
            if(next.player == 'img'){
                var a = new Image();
                a.src = next.content;
            }
            var prev = S.gallery[S.current - 1] || S.gallery[S.gallery.length - 1];
            if(prev.player == 'img'){
                var b = new Image();
                b.src = prev.content;
            }
        }
    }

    /**
     * Callback that should be called with the content is ready to be loaded.
     *
     * @return  void
     * @private
     */
    function contentReady(){
        if(!S.content) return;
        S.content.append(S.skin.bodyEl(), content_id, S.dimensions);
        S.skin.onFinish(finishContent);
    }

    /**
     * Callback that should be called when the content is finished loading.
     *
     * @return  void
     * @private
     */
    function finishContent(){
        if(!S.content) return;

        if(S.content.onLoad)
            S.content.onLoad();
        if(S.options.onFinish)
            S.options.onFinish();
        if(!S.isPaused())
            S.play(); // kick off next slide

        listenKeys(true); // re-enable keyboard when finished
    }

    return S;

}();

/**
 * The default skin for Shadowbox. Separated out into its own class so that it may
 * be customized more easily by skin developers.
 */
Shadowbox.skin = function(){

    var S = Shadowbox,
        U = S.util,

    /**
     * Keeps track of whether or not the overlay is activated.
     *
     * @var     Boolean
     * @private
     */
    overlay_on = false,

    /**
     * Id's of elements that need transparent PNG support in IE6.
     *
     * @var     Array
     * @private
     */
    png = [
        'sb-nav-close',
        'sb-nav-next',
        'sb-nav-play',
        'sb-nav-pause',
        'sb-nav-previous'
    ];

    /**
     * Sets the top of the container element. This is only necessary in IE6
     * where the container uses absolute positioning instead of fixed.
     *
     * @return  void
     * @private
     */
    function fixTop(){
        U.get('sb-container').style.top = document.documentElement.scrollTop + 'px';
    }

    /**
     * Toggles the visibility of #sb-container and sets its size (if on
     * IE6). Also toggles the visibility of elements (<select>, <object>, and
     * <embed>) that are troublesome for semi-transparent modal overlays. IE has
     * problems with <select> elements, while Firefox has trouble with
     * <object>s.
     *
     * @param   Function    cb      A callback to call after toggling on, absent
     *                              when toggling off
     * @return  void
     * @private
     */
    function toggleVisible(cb){
        var so = U.get('sb-overlay'),
            sc = U.get('sb-container'),
            sb = U.get('sb-wrapper');

        if(cb){
            if(S.client.isIE6){
                // fix container top before showing
                fixTop();
                S.lib.addEvent(window, 'scroll', fixTop);
            }
            if(S.options.showOverlay){
                overlay_on = true;

                // set overlay color/opacity
                so.style.backgroundColor = S.options.overlayColor;
                U.setOpacity(so, 0);
                if(!S.options.modal) S.lib.addEvent(so, 'click', S.close);

                sb.style.display = 'none'; // cleared in onLoad
            }
            sc.style.visibility = 'visible';
            if(overlay_on){
                // fade in effect
                var op = parseFloat(S.options.overlayOpacity);
                U.animate(so, 'opacity', op, S.options.fadeDuration, cb);
            }else
                cb();
        }else{
            if(S.client.isIE6)
                S.lib.removeEvent(window, 'scroll', fixTop);
            S.lib.removeEvent(so, 'click', S.close);
            if(overlay_on){
                // fade out effect
                sb.style.display = 'none';
                U.animate(so, 'opacity', 0, S.options.fadeDuration, function(){
                    // the following is commented because it causes the overlay to
                    // be hidden on consecutive activations in IE8, even though we
                    // set the visibility to "visible" when we reactivate
                    //sc.style.visibility = 'hidden';
                    sc.style.display = '';
                    sb.style.display = '';
                    U.clearOpacity(so);
                });
            }else
                sc.style.visibility = 'hidden';
        }
    }

    /**
     * Toggles the display of the nav control with the given id on and off.
     *
     * @param   String      id      The id of the navigation control
     * @param   Boolean     on      True to toggle on, false to toggle off
     * @return  void
     * @private
     */
    function toggleNav(id, on){
        var el = U.get('sb-nav-' + id);
        if(el) el.style.display = on ? '' : 'none';
    }

    /**
     * Toggles the visibility of the "loading" layer.
     *
     * @param   Boolean     on      True to toggle on, false to toggle off
     * @param   Function    cb      The callback function to call when toggling
     *                              completes
     * @return  void
     * @private
     */
    function toggleLoading(on, cb){
        var ld = U.get('sb-loading'),
            p = S.getCurrent().player,
            anim = (p == 'img' || p == 'html'); // fade on images & html

        if(on){
            function fn(){
                U.clearOpacity(ld);
                if(cb) cb();
            }

            U.setOpacity(ld, 0);
            ld.style.display = '';

            if(anim)
                U.animate(ld, 'opacity', 1, S.options.fadeDuration, fn);
            else
                fn();
        }else{
            function fn(){
                ld.style.display = 'none';
                U.clearOpacity(ld);
                if(cb) cb();
            }

            if(anim)
                U.animate(ld, 'opacity', 0, S.options.fadeDuration, fn);
            else
                fn();
        }
    }

    /**
     * Builds the content for the title and information bars.
     *
     * @param   Function    cb      A callback function to execute after the
     *                              bars are built
     * @return  void
     * @private
     */
    function buildBars(cb){
        var obj = S.getCurrent();

        // build the title, if present
        U.get('sb-title-inner').innerHTML = obj.title || '';

        // build the nav
        var c, n, pl, pa, p;
        if(S.options.displayNav){
            c = true;
            // next & previous links
            var len = S.gallery.length;
            if(len > 1){
                if(S.options.continuous)
                    n = p = true; // show both
                else{
                    n = (len - 1) > S.current; // not last in gallery, show next
                    p = S.current > 0; // not first in gallery, show previous
                }
            }
            // in a slideshow?
            if(S.options.slideshowDelay > 0 && S.hasNext()){
                pa = !S.isPaused();
                pl = !pa;
            }
        }else{
            c = n = pl = pa = p = false;
        }
        toggleNav('close', c);
        toggleNav('next', n);
        toggleNav('play', pl);
        toggleNav('pause', pa);
        toggleNav('previous', p);

        // build the counter
        var c = '';
        if(S.options.displayCounter && S.gallery.length > 1){
            var count = S.getCounter();
            if(typeof count == 'string') // default
                c = count;
            else{
                U.each(count, function(i){
                    c += '<a onclick="Shadowbox.change(' + i + ');"'
                    if(i == S.current) c += ' class="sb-counter-current"';
                    c += '>' + (i + 1) + '</a>';
                });
            }
        }
        U.get('sb-counter').innerHTML = c;

        cb();
    }

    /**
     * Hides the title and info bars.
     *
     * @param   Boolean     anim    True to animate the transition
     * @param   Function    cb      A callback function to execute after the
     *                              animation completes
     * @return  void
     * @private
     */
    function hideBars(anim, cb){
        var sw = U.get('sb-wrapper'),
            st = U.get('sb-title'),
            si = U.get('sb-info'),
            ti = U.get('sb-title-inner'),
            ii = U.get('sb-info-inner'),
            t = parseInt(S.lib.getStyle(ti, 'height')) || 0,
            b = parseInt(S.lib.getStyle(ii, 'height')) || 0;

        function fn(){
            // hide bars here in case of overflow, build after hidden
            ti.style.visibility = ii.style.visibility = 'hidden';
            buildBars(cb);
        }

        if(anim){
            U.animate(st, 'height', 0, 0.35);
            U.animate(si, 'height', 0, 0.35);
            U.animate(sw, 'paddingTop', t, 0.35);
            U.animate(sw, 'paddingBottom', b, 0.35, fn);
        }else{
            st.style.height = si.style.height = '0px';
            sw.style.paddingTop = t + 'px';
            sw.style.paddingBottom = b + 'px';
            fn();
        }
    }

    /**
     * Shows the title and info bars.
     *
     * @param   Function    cb      A callback function to execute after the
     *                              animation completes
     * @return  void
     * @private
     */
    function showBars(cb){
        var sw = U.get('sb-wrapper'),
            st = U.get('sb-title'),
            si = U.get('sb-info'),
            ti = U.get('sb-title-inner'),
            ii = U.get('sb-info-inner'),
            t = parseInt(S.lib.getStyle(ti, 'height')) || 0,
            b = parseInt(S.lib.getStyle(ii, 'height')) || 0;

        // clear visibility before animating into view
        ti.style.visibility = ii.style.visibility = '';

        // show title?
        if(ti.innerHTML != ''){
            U.animate(st, 'height', t, 0.35);
            U.animate(sw, 'paddingTop', 0, 0.35);
        }
        U.animate(si, 'height', b, 0.35);
        U.animate(sw, 'paddingBottom', 0, 0.35, cb);
    }

    /**
     * Adjusts the height of #sb-body and centers #sb-wrapper vertically
     * in the viewport.
     *
     * @param   Number      height      The height to use for #sb-body
     * @param   Number      top         The top to use for #sb-wrapper
     * @param   Boolean     anim        True to animate the transition
     * @param   Function    cb          A callback to use when the animation
     *                                  completes
     * @return  void
     * @private
     */
    function adjustHeight(height, top, anim, cb){
        var sb = U.get('sb-body'),
            s = U.get('sb-wrapper'),
            h = parseInt(height),
            t = parseInt(top);

        if(anim){
            U.animate(sb, 'height', h, S.options.resizeDuration);
            U.animate(s, 'top', t, S.options.resizeDuration, cb);
        }else{
            sb.style.height = h + 'px';
            s.style.top = t + 'px';
            if(cb) cb();
        }
    }

    /**
     * Adjusts the width and left of #sb-wrapper.
     *
     * @param   Number      width       The width to use for #sb-wrapper
     * @param   Number      left        The left to use for #sb-wrapper
     * @param   Boolean     anim        True to animate the transition
     * @param   Function    cb          A callback to use when the animation
     *                                  completes
     * @return  void
     * @private
     */
    function adjustWidth(width, left, anim, cb){
        var s = U.get('sb-wrapper'),
            w = parseInt(width),
            l = parseInt(left);

        if(anim){
            U.animate(s, 'width', w, S.options.resizeDuration);
            U.animate(s, 'left', l, S.options.resizeDuration, cb);
        }else{
            s.style.width = w + 'px';
            s.style.left = l + 'px';
            if(cb) cb();
        }
    }

    /**
     * Resizes Shadowbox to the appropriate height and width for the current
     * content.
     *
     * @param   Function    cb      A callback function to execute after the
     *                              resize completes
     * @return  void
     * @private
     */
    function resizeContent(cb){
        var c = S.content;
        if(!c) return;

        // set new dimensions
        var d = setDimensions(c.height, c.width, c.resizable);

        switch(S.options.animSequence){
            case 'hw':
                adjustHeight(d.inner_h, d.top, true, function(){
                    adjustWidth(d.width, d.left, true, cb);
                });
            break;
            case 'wh':
                adjustWidth(d.width, d.left, true, function(){
                    adjustHeight(d.inner_h, d.top, true, cb);
                });
            break;
            default: // sync
                adjustWidth(d.width, d.left, true);
                adjustHeight(d.inner_h, d.top, true, cb);
        }
    }

    /**
     * Calculates the dimensions for Shadowbox, taking into account the borders
     * and surrounding elements of #sb-body.
     *
     * @param   Number      height      The content height
     * @param   Number      width       The content width
     * @param   Boolean     resizable   True if the content is able to be
     *                                  resized. Defaults to false
     * @return  Object                  The new dimensions object
     * @private
     */
    function setDimensions(height, width, resizable){
        var sbi = U.get('sb-body-inner')
            sw = U.get('sb-wrapper'),
            so = U.get('sb-overlay'),
            tb = sw.offsetHeight - sbi.offsetHeight,
            lr = sw.offsetWidth - sbi.offsetWidth,
            max_h = so.offsetHeight, // measure overlay to get viewport size for IE6
            max_w = so.offsetWidth;

        return S.setDimensions(height, width, max_h, max_w, tb, lr, resizable);
    }

    return {

        /**
         * The HTML markup to use.
         *
         * @var     String
         * @public
         */
        markup: '<div id="sb-container">' +
                    '<div id="sb-overlay"></div>' +
                    '<div id="sb-wrapper">' +
                        '<div id="sb-title">' +
                            '<div id="sb-title-inner"></div>' +
                        '</div>' +
                        '<div id="sb-body">' +
                            '<div id="sb-body-inner"></div>' +
                            '<div id="sb-loading">' +
                                '<a onclick="Shadowbox.close()">{cancel}</a>' +
                            '</div>' +
                        '</div>' +
                        '<div id="sb-info">' +
                            '<div id="sb-info-inner">' +
                                '<div id="sb-counter"></div>' +
                                '<div id="sb-nav">' +
                                    '<a id="sb-nav-close" title="{close}" onclick="Shadowbox.close()"></a>' +
                                    '<a id="sb-nav-next" title="{next}" onclick="Shadowbox.next()"></a>' +
                                    '<a id="sb-nav-play" title="{play}" onclick="Shadowbox.play()"></a>' +
                                    '<a id="sb-nav-pause" title="{pause}" onclick="Shadowbox.pause()"></a>' +
                                    '<a id="sb-nav-previous" title="{previous}" onclick="Shadowbox.previous()"></a>' +
                                '</div>' +
                                '<div style="clear:both"></div>' +
                            '</div>' +
                        '</div>' +
                    '</div>' +
                '</div>',

        options: {

            /**
             * Determines the sequence of the resizing animations. A value of
             * "hw" will resize first the height, then the width. Likewise, "wh"
             * will resize the width first, then the height. The default is
             * "sync" and will resize both simultaneously.
             *
             * @var     String
             * @public
             */
            animSequence: 'sync'

        },

        /**
         * Initialization function. Called immediately after this skin's markup
         * has been appended to the document with all of the necessary language
         * replacements done.
         *
         * @return  void
         * @public
         */
        init: function(){
            // several fixes for IE6
            if(S.client.isIE6){
                // trigger hasLayout on sb-body
                U.get('sb-body').style.zoom = 1;

                // support transparent PNG's via AlphaImageLoader
                var el, m, re = /url\("(.*\.png)"\)/;
                U.each(png, function(id){
                    el = U.get(id);
                    if(el){
                        m = S.lib.getStyle(el, 'backgroundImage').match(re);
                        if(m){
                            el.style.backgroundImage = 'none';
                            el.style.filter = 'progid:DXImageTransform.Microsoft.AlphaImageLoader(enabled=true,src=' +
                                m[1] + ',sizingMethod=scale);';
                        }
                    }
                });
            }
        },

        /**
         * Gets the element that content should be appended to.
         *
         * @return  HTMLElement     The body element
         * @public
         */
        bodyEl: function(){
            return U.get('sb-body-inner');
        },

        /**
         * Called when Shadowbox opens from an inactive state.
         *
         * @param   Number      h       The initial height to use
         * @param   Number      w       The initial width to use
         * @param   Function    cb      The function to call when finished
         * @return  void
         * @public
         */
        onOpen: function(h, w, cb){
            U.get('sb-container').style.display = 'block';

            var d = setDimensions(h, w);
            adjustHeight(d.inner_h, d.top, false);
            adjustWidth(d.width, d.left, false);
            toggleVisible(cb);
        },

        /**
         * Called when a new piece of content is being loaded.
         *
         * @param   mixed       content     The content object
         * @param   Boolean     change      True if the content is changing
         *                                  from some previous content
         * @param   Function    cb          A callback that should be fired when
         *                                  this function is finished
         * @return  void
         * @public
         */
        onLoad: function(content, change, cb){
            toggleLoading(true);

            hideBars(change, function(){ // if changing, animate the bars transition
                if(!content) return;

                // if opening, clear #sb-wrapper display
                if(!change) U.get('sb-wrapper').style.display = '';

                cb();
            });
        },

        /**
         * Called when the content is ready to be loaded (e.g. when the image
         * has finished loading). Should resize the content box and make any
         * other necessary adjustments.
         *
         * @param   Function    cb          A callback that should be fired when
         *                                  this function is finished
         * @return  void
         * @public
         */
        onReady: function(cb){
            resizeContent(function(){
                showBars(cb);
            });
        },

        /**
         * Called when the content is loaded into the box and is ready to be
         * displayed.
         *
         * @param   Function    cb          A callback that should be fired when
         *                                  this function is finished
         * @return  void
         * @public
         */
        onFinish: function(cb){
            toggleLoading(false, cb);
        },

        /**
         * Called when Shadowbox is closed.
         *
         * @return  void
         * @public
         */
        onClose: function(){
            toggleVisible(false);
        },

        /**
         * Called in Shadowbox.play().
         *
         * @return  void
         * @public
         */
        onPlay: function(){
            toggleNav('play', false);
            toggleNav('pause', true);
        },

        /**
         * Called in Shadowbox.pause().
         *
         * @return  void
         * @public
         */
        onPause: function(){
            toggleNav('pause', false);
            toggleNav('play', true);
        },

        /**
         * Called when the window is resized.
         *
         * @return  void
         * @public
         */
        onWindowResize: function(){
            var c = S.content;
            if(!c) return;

            // set new dimensions
            var d = setDimensions(c.height, c.width, c.resizable);

            adjustWidth(d.width, d.left, false);
            adjustHeight(d.inner_h, d.top, false);

            var el = U.get(S.contentId());
            if(el){
                // resize resizable content when in resize mode
                if(c.resizable && S.options.handleOversize == 'resize'){
                    el.height = d.resize_h;
                    el.width = d.resize_w;
                }
            }
        }

    };

}();

function toggle(a){
var e=document.getElementById(a);
if(!e)return true;
if(e.style.display=="none"){
e.style.display="block"
}else{
e.style.display="none"
}
return true;
}

reppas=new Array();
reppas[0]=new Array("aree","canali","servizi","educational");
reppas[1]=new Array("menu-left","navigation","nav","navedu");
function launch(batton,dropdown){
document.getElementById(batton).style.cursor="pointer";
document.getElementById(dropdown).style.display="none";
document.getElementById(batton).onclick=function() {
return toggle(dropdown);
}
}

function searchsite(id,value){
var inpMessage=value;
var el=document.getElementById(id);
el.value=inpMessage;
el.onclick=function(){if(el.value==inpMessage) el.value=""}
el.onblur=function(){if(el.value=="") el.value=inpMessage}
}

function lightup(imageobject,value){
imageobject.style.opacity=value/10;
imageobject.style.filter='alpha(opacity='+value*10+')';
}


Shadowbox.init({
	language: "it",
	useSizzle: false,
    players: ["img", "html", "iframe", "swf"]
});


function loadCookie() {
	var cookie = Cookie.get('tuttoggi');
	
    	if (cookie=='' || cookie==null) {
			
			Cookie.set('tuttoggi', 'colione', 1);
			Shadowbox.open({
        		content: 'http://www.tuttoggi.info/pic/pagine/alberghiero/',
        		player: 'iframe',
//				width:600,
//				height:500,
        		title: 'Alberghiero Spoleto'
			});
  		}
  	
}


Event.observe(window, 'load', function(){

	if(document.getElementById('fuck')){

	//	loadCookie();

	}

if(!document.getElementsByTagName) return;
l=document.getElementsByTagName("a");
for(i=0;i<l.length;i++){
if(l[i].className.indexOf("ext")!=-1){
//l[i].title="link esterno, si apre in una nuova finestra";
l[i].onclick=function(){window.open(this.href);return(false)};
}
}

if(document.getElementById('search')){
searchsite('search-key','cerca nel sito');
}

if(document.getElementById('print')){
var stampa=document.getElementById('print');
stampa.onclick=function(){
window.print();
}
}

for(i=0;i<reppas[0].length;i++){
var button=reppas[0][i];
var toggler=reppas[1][i];
launch(button,toggler);
}

if(document.getElementById('videos')){
searchsite('video-keys','cerca in archivio');
videoverlay=document.getElementsByTagName("a");
for(i=0;i<videoverlay.length;i++){
if(videoverlay[i].className.indexOf("videoverlay")!=-1){
lightup(videoverlay[i],6);
videoverlay[i].onmouseover=function(){lightup(this,8);}
videoverlay[i].onmouseout=function(){lightup(this,6);}
}
}
}

Nifty("form#search","bottom");
Nifty("div.primo-piano-inner,div#sfc-video-inner,div#banner-inner,div.rilievo-inner","big same-height");
Nifty("div#content,div#menu,div#menu2","big bottom");
Nifty("div#menu li,div#menu2 div,p#useronline","normal");
Nifty("div#footer","big top");
Nifty("div#banner-casino","big transparent");
Nifty("div#sub-content,div.wrapper,div#inner-footer,div.commento,div.commento-2,div#evidenza-inner","big");

/* END ONLOAD */
});

// style corrector for shadowbox in IE 
//if(document.getElementById('sb-overlay')){
//	document.getElementById('sb-overlay').style.height = "expression(document.documentElement.clientHeight+'px')";
//}