/*  Prototype JavaScript framework, version 1.6.0.1
 *  (c) 2005-2007 Sam Stephenson
 *
 *  Prototype is freely distributable under the terms of an MIT-style license.
 *  For details, see the Prototype web site: http://www.prototypejs.org/
 *
 *--------------------------------------------------------------------------*/

var Prototype = {
  Version: '1.6.0.1',

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

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

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

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

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


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

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

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

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

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

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

    klass.prototype.constructor = klass;

    return klass;
  }
};

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

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

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

    return this;
  }
};

var Abstract = { };

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

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

  toJSON: function(object) {
    var type = typeof object;
    switch (type) {
      case 'undefined':
      case 'function':
      case 'unknown': return;
      case 'boolean': return object.toString();
    }

    if (object === null) return 'null';
    if (object.toJSON) return object.toJSON();
    if (Object.isElement(object)) return;

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

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

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

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

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

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

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

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

  isArray: function(object) {
    return object && object.constructor === Array;
  },

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

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

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

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

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

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

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

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

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

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

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

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

Function.prototype.defer = Function.prototype.delay.curry(0.01);

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

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

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

    return returnValue;
  }
};

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

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

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

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

    this.registerCallback();
  },

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    return camelized;
  },

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

var $break = { };

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Object.extend(Enumerable, {
  map:     Enumerable.collect,
  find:    Enumerable.detect,
  select:  Enumerable.findAll,
  filter:  Enumerable.findAll,
  member:  Enumerable.include,
  entries: Enumerable.toArray,
  every:   Enumerable.all,
  some:    Enumerable.any
});
function $A(iterable) {
  if (!iterable) return [];
  if (iterable.toArray) return iterable.toArray();
  var length = iterable.length || 0, results = new Array(length);
  while (length--) results[length] = iterable[length];
  return results;
}

if (Prototype.Browser.WebKit) {
  function $A(iterable) {
    if (!iterable) return [];
    if (!(Object.isFunction(iterable) && iterable == '[object NodeList]') &&
        iterable.toArray) return iterable.toArray();
    var length = iterable.length || 0, results = new Array(length);
    while (length--) results[length] = iterable[length];
    return results;
  }
}

Array.from = $A;

Object.extend(Array.prototype, Enumerable);

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

if (Prototype.Browser.Opera){
  Array.prototype.concat = function() {
    var array = [];
    for (var i = 0, length = this.length; i < length; i++) array.push(this[i]);
    for (var i = 0, length = arguments.length; i < length; i++) {
      if (Object.isArray(arguments[i])) {
        for (var j = 0, arrayLength = arguments[i].length; j < arrayLength; j++)
          array.push(arguments[i][j]);
      } else {
        array.push(arguments[i]);
      }
    }
    return array;
  };
}
Object.extend(Number.prototype, {
  toColorPart: function() {
    return this.toPaddedString(2, 16);
  },

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

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

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

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

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

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

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

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

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

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

    get: function(key) {
      return this._object[key];
    },

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

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

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

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

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

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

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

    toQueryString: function() {
      return this.map(function(pair) {
        var key = encodeURIComponent(pair.key), values = pair.value;

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

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

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

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

Hash.prototype.toTemplateReplacements = Hash.prototype.toObject;
Hash.from = $H;
var ObjectRange = Class.create(Enumerable, {
  initialize: function(start, end, exclusive) {
    this.start = start;
    this.end = end;
    this.exclusive = exclusive;
  },

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

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

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

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

  activeRequestCount: 0
};

Ajax.Responders = {
  responders: [],

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

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

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

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

Object.extend(Ajax.Responders, Enumerable);

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

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

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

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

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

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

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

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

    this.parameters = params;

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

    try {
      var response = new Ajax.Response(this);
      if (this.options.onCreate) this.options.onCreate(response);
      Ajax.Responders.dispatch('onCreate', this, response);

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    $super(url, options);
  },

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

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

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

Ajax.PeriodicalUpdater = Class.create(Ajax.Base, {
  initialize: function($super, container, url, options) {
    $super(options);
    this.onComplete = this.options.onComplete;

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

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

    this.start();
  },

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

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

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

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

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

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

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

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

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

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

Element.cache = { };

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

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

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

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

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

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

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

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

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

    var content, insert, tagName, childNodes;

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

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

      content = Object.toHTML(content);

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

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

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

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

    return element;
  },

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

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

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

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

  descendants: function(element) {
    return $(element).getElementsBySelector("*");
  },

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

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

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

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

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

  match: function(element, selector) {
    if (Object.isString(selector))
      selector = new Selector(selector);
    return selector.match($(element));
  },

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  descendantOf: function(element, ancestor) {
    element = $(element), ancestor = $(ancestor);
    var originalAncestor = ancestor;

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

    if (element.sourceIndex && !Prototype.Browser.Opera) {
      var e = element.sourceIndex, a = ancestor.sourceIndex,
       nextAncestor = ancestor.nextSibling;
      if (!nextAncestor) {
        do { ancestor = ancestor.parentNode; }
        while (!(nextAncestor = ancestor.nextSibling) && ancestor.parentNode);
      }
      if (nextAncestor) return (e > a && e < nextAncestor.sourceIndex);
    }

    while (element = element.parentNode)
      if (element == originalAncestor) return true;
    return false;
  },

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

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

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

  setStyle: function(element, styles) {
    element = $(element);
    var elementStyle = element.style, match;
    if (Object.isString(styles)) {
      element.style.cssText += ';' + styles;
      return styles.include('opacity') ?
        element.setOpacity(styles.match(/opacity:\s*(\d?\.?\d*)/)[1]) : element;
    }
    for (var property in styles)
      if (property == 'opacity') element.setOpacity(styles[property]);
      else
        elementStyle[(property == 'float' || property == 'cssFloat') ?
          (Object.isUndefined(elementStyle.styleFloat) ? 'cssFloat' : 'styleFloat') :
            property] = styles[property];

    return element;
  },

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

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

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

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

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

  makeClipping: function(element) {
    element = $(element);
    if (element._overflow) return element;
    element._overflow = Element.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 == 'BODY') break;
        var p = Element.getStyle(element, 'position');
        if (p == 'relative' || p == 'absolute') break;
      }
    } while (element);
    return Element._returnOffset(valueL, valueT);
  },

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

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

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

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

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

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

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

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

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

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

    return $(document.body);
  },

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

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

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

    } while (element = element.offsetParent);

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

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

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

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

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

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

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

Element.Methods.identify.counter = 1;

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

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

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

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

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

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

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

else if (Prototype.Browser.IE) {
  $w('positionedOffset getOffsetParent viewportOffset').each(function(method) {
    Element.Methods[method] = Element.Methods[method].wrap(
      function(proceed, element) {
        element = $(element);
        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;
      }
    );
  });

  Element.Methods.getStyle = function(element, style) {
    element = $(element);
    style = (style == 'float' || style == 'cssFloat') ? 'styleFloat' : style.camelize();
    var value = element.style[style];
    if (!value && element.currentStyle) value = element.currentStyle[style];

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

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

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

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

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

  Element._attributeTranslations.write = {
    names: Object.clone(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').each(function(attr) {
    Element._attributeTranslations.write.names[attr.toLowerCase()] = attr;
    Element._attributeTranslations.has[attr.toLowerCase()] = attr;
  });

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

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

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

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

    return element;
  };

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Element.Methods.ByTag = { };

Object.extend(Element, Element.Methods);

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

Element.extend = (function() {
  if (Prototype.BrowserFeatures.SpecificElementExtensions)
    return Prototype.K;

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

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

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

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

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

    element._extendedByPrototype = Prototype.emptyFunction;
    return element;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

document.viewport = {
  getDimensions: function() {
    var dimensions = { };
    var B = Prototype.Browser;
    $w('width height').each(function(d) {
      var D = d.capitalize();
      dimensions[d] = (B.WebKit && !document.evaluate) ? self['inner' + D] :
        (B.Opera) ? document.body['client' + D] : document.documentElement['client' + D];
    });
    return dimensions;
  },

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

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

  getScrollOffsets: function() {
    return Element._returnOffset(
      window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft,
      window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop);
  }
};
/* Portions of the Selector class are derived from Jack Slocum’s DomQuery,
 * part of YUI-Ext version 0.40, distributed under the terms of an MIT-style
 * license.  Please see http://www.yui-ext.com/ for more information. */

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

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

    var e = this.expression;

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

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

    return true;
  },

  compileMatcher: function() {
    if (this.shouldUseXPath())
      return this.compileXPathMatcher();

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    return match;
  },

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

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

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

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

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

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

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

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

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

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

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

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

    attr: function(element, matches) {
      var nodeValue = Element.readAttribute(element, matches[1]);
      return Selector.operators[matches[2]](nodeValue, matches[3]);
    }
  },

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

if (Prototype.Browser.IE) {
  // IE returns comment nodes on getElementsByTagName("*").
  // Filter them out.
  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).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 != 'submit' || (!submitted &&
            submit !== false && (!submit || key == submit) && (submitted = true)))) {
          if (key in result) {
            // a key is already present; construct an array of values
            if (!Object.isArray(result[key])) result[key] = [result[key]];
            result[key].push(value);
          }
          else result[key] = value;
        }
      }
      return result;
    });

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

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

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

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

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

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

    return matchingInputs;
  },

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

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

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

    return firstByIndex ? firstByIndex : elements.find(function(element) {
      return ['input', 'select', 'textarea'].include(element.tagName.toLowerCase());
    });
  },

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

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

    var params = options.parameters, action = form.readAttribute('action') || '';
    if (action.blank()) action = window.location.href;
    options.parameters = form.serialize(true);

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Object.extend(Event, {
  KEY_BACKSPACE: 8,
  KEY_TAB:       9,
  KEY_RETURN:   13,
  KEY_ESC:      27,
  KEY_LEFT:     37,
  KEY_UP:       38,
  KEY_RIGHT:    39,
  KEY_DOWN:     40,
  KEY_DELETE:   46,
  KEY_HOME:     36,
  KEY_END:      35,
  KEY_PAGEUP:   33,
  KEY_PAGEDOWN: 34,
  KEY_INSERT:   45,

  cache: { },

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

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

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

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

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

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

    element: function(event) {
      var node = Event.extend(event).target;
      return Element.extend(node.nodeType == Node.TEXT_NODE ? node.parentNode : node);
    },

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

    pointer: function(event) {
      return {
        x: event.pageX || (event.clientX +
          (document.documentElement.scrollLeft || document.body.scrollLeft)),
        y: event.pageY || (event.clientY +
          (document.documentElement.scrollTop || document.body.scrollTop))
      };
    },

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

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

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

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

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

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

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

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

  function getEventID(element) {
    if (element._eventID) return element._eventID;
    arguments.callee.id = arguments.callee.id || 1;
    return element._eventID = ++arguments.callee.id;
  }

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

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

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

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

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

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

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

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

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

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

  if (window.attachEvent) {
    window.attachEvent("onunload", destroyCache);
  }

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

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

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

      return element;
    },

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

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

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

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

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

      destroyWrapper(id, eventName, handler);

      return element;
    },

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

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

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

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

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

Object.extend(Event, Event.Methods);

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

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

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

  var timer;

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

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

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

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

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

Hash.toQueryString = Object.toQueryString;

var Toggle = { display: Element.toggle };

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

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

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

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

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

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

// This should be moved to script.aculo.us; notice the deprecated methods
// further below, that map to the newer Element methods.
var Position = {
  // set to true if needed, warning: firefox performance problems
  // NOT neeeded for page scrolling, only if draggable contained in
  // scrollable elements
  includeScrollOffsets: false,

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

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

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

  withinIncludingScrolloffsets: function(element, x, y) {
    var offsetcache = Element.cumulativeScrollOffset(element);

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

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

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

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

  cumulativeOffset: Element.Methods.cumulativeOffset,

  positionedOffset: Element.Methods.positionedOffset,

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

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

  realOffset: Element.Methods.cumulativeScrollOffset,

  offsetParent: Element.Methods.getOffsetParent,

  page: Element.Methods.viewportOffset,

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Object.extend(Element.ClassNames.prototype, Enumerable);

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

Element.addMethods();var Videx; if (!Videx) Videx = {};

/**
 * element access
 */
Videx.$ = function(element) {
	if (arguments.length > 1) {
		for (var i = 0, elements = [], length = arguments.length; i < length; i++)
			elements.push(Videx.$(arguments[i]));
		return elements;
	}
	if (typeof element == 'string')
		element = document.getElementById(element);
	return element;
};

/**
 *	Videx Utilities
 */
if (!Videx.Utils) Videx.Utils = {};

// Browser Check
Videx.Utils.isBrowserIE = (document.all && window.ActiveXObject && navigator.userAgent.toLowerCase().indexOf("msie") > -1 && navigator.userAgent.toLowerCase().indexOf("opera") == -1);
Videx.Utils.isBrowserOpera = (navigator.userAgent.toLowerCase().indexOf("opera") != -1);

Videx.Utils.EnsureUrlWithReferer = function(url, referer) {
	var ret = url;
	ret = ret.replace(/[\?&]ref=\w+/,"");
	ret += (ret.indexOf("?") != -1) ? "&" : "?";
	ret += "ref=" + referer;
	return ret;
}

/* CookieManager Object */
Videx.Utils.CookieManager = function() {
	this.initialize.apply(this, arguments);
}
Videx.Utils.CookieManager.prototype = {
	userDataForIE: false,
	initialize: function(userDataForIE) {
		this.cookieShelfLife = 365;
		this.userDataForIE = userDataForIE;
		if (Videx.Utils.isBrowserIE && this.userDataForIE) {
			this.IE_CACHE_NAME = "storage";
			if ($(this.IE_CACHE_NAME) == null) {
				var div = document.createElement("DIV");
				div.id = this.IE_CACHE_NAME;
				document.body.appendChild(div);
			}
			this.store = $(this.IE_CACHE_NAME);
			this.store.style.behavior = "url('#default#userData')";
		}
	},
	
	getCookie: function(aCookieName) {
		var result = null;
		if (Videx.Utils.isBrowserIE && this.userDataForIE) {
			this.store.load(this.IE_CACHE_NAME);
			result = this.store.getAttribute(aCookieName);
		} else {
			for (var i = 0; i < document.cookie.split('; ').length; i++) {
				var crumb = document.cookie.split('; ')[i].split('=');
				if (crumb[0] == aCookieName && crumb[1] != null) {
					result = crumb[1];
					break;
				}
			}
		}
		if (Videx.Utils.isBrowserOpera && result != null) {
			result = result.replace(/%22/g, '"');
		}
		return result;
	},
	
	setCookie: function(aCookieName, aCookieValue, aCookieDomain) {
		if (Videx.Utils.isBrowserIE && this.userDataForIE) {
			this.store.setAttribute(aCookieName, aCookieValue);
			this.store.save(this.IE_CACHE_NAME);
		} else {
			if (Videx.Utils.isBrowserOpera) {
				aCookieValue = aCookieValue.replace(/"/g, "%22");
			}
			var date = new Date();
			date.setTime(date.getTime() + (this.cookieShelfLife * 24*60*60*1000));
			var expires = '; expires=' + date.toGMTString();
			var domain = (aCookieDomain) ? "; domain=" + aCookieDomain : "";
			document.cookie = aCookieName + '=' + aCookieValue + domain + expires + '; path=/';
		}
	},
	
	clearCookie: function(aCookieName) {
		if (Videx.Utils.isBrowserIE && this.userDataForIE) {
			this.store.load(this.IE_CACHE_NAME);
			this.store.removeAttribute(aCookieName);
			this.store.save(this.IE_CACHE_NAME);
		} else {
			document.cookie = aCookieName + '=;expires=Thu, 01-Jan-1970 00:00:01 GMT; path=/';
		}
	}
};
Videx.Utils.Cookie = new Videx.Utils.CookieManager();


// Element
Videx.Utils.hasClassName = function(ele, className) {
	ele = Videx.$(ele);
	if (!ele || !className || (ele.className && ele.className.search(new RegExp("\\b" + className + "\\b")) == -1))
		return false;
	return true;
};

Videx.Utils.addClassName = function(ele, className) {
	ele = Videx.$(ele);
	if (!ele || !className || (ele.className && ele.className.search(new RegExp("\\b" + className + "\\b")) != -1))
		return;
	ele.className += (ele.className ? " " : "") + className;
};

Videx.Utils.removeClassName = function(ele, className) {
	ele = Videx.$(ele);
	if (!ele || !className || (ele.className && ele.className.search(new RegExp("\\b" + className + "\\b")) == -1))
		return;
	ele.className = ele.className.replace(new RegExp("\\s*\\b" + className + "\\b", "g"), "");
};

Videx.Utils.getBrowserWidth = function() {
	try {
		if ( window.innerWidth ){
			return window.innerWidth;
		}else if (document.documentElement && document.documentElement.clientWidth != 0){
			return document.documentElement.clientWidth;
		}else if (document.body){
			return document.body.clientWidth;
		}
	} catch (e) {} 
	return 0;
}

Videx.Utils.Profiler = function(method) {
	this.method = method;
	this.beginTime = new Date();
	this.display = function() {
		var endTime = new Date();
		alert(this.method+":"+(endTime-this.beginTime)+"msec");
	};
};

// observer
Videx.Utils.Notifier = function() {
	this.observers = [];
	this.suppressNotifications = 0;
};

Videx.Utils.Notifier.prototype.addObserver = function(observer) {
	if (!observer) return;
	// Make sure the observer isn't already on the list.
	var len = this.observers.length;
	for (var i = 0; i < len; i++) {
		if (this.observers[i] == observer)
			return;
	}
	this.observers[len] = observer;
};

Videx.Utils.Notifier.prototype.removeObserver = function(observer) {
	if (!observer) return;
	for (var i = 0; i < this.observers.length; i++) {
		if (this.observers[i] == observer) {
			this.observers.splice(i, 1);
			break;
		}
	}
};

Videx.Utils.Notifier.prototype.notifyObservers = function(methodName, data) {
	if (!methodName) return;
	if (!this.suppressNotifications) {
		var len = this.observers.length;
		for (var i = 0; i < len; i++) {
			var obs = this.observers[i];
			if (obs) {
				if (typeof obs == "function") obs(methodName, this, data);
				else if (obs[methodName]) obs[methodName](this, data);
			}
		}
	}
};

Videx.Utils.Notifier.prototype.enableNotifications = function() {
	if (--this.suppressNotifications < 0) {
		this.suppressNotifications = 0;
	}
};

Videx.Utils.Notifier.prototype.disableNotifications = function() {
	++this.suppressNotifications;
};

/**
 *	Videx Version Class
 */
Videx.Version = function(major,minor,revision,buildNumber) {
	this.major = (major!=null) ? major : 1;
	this.minor = (minor!=null) ? minor : 0;
	this.revision = (revision!=null) ? revision : 0;
	this.buildNumber = (buildNumber!=null) ? buildNumber : 0;
}

Videx.Version.prototype.parse = function(versionText) {
	var vars = versionText.split(".");
	switch (vars.length) {
		case 4: this.buildNumber	= vars[3]; // no break
		case 3: this.revision		= vars[2]; // no break
		case 2: this.minor			= vars[1]; // no break
		case 1: this.major			= vars[0]; break;
	}
};

Videx.Version.prototype.toString = function() {
	return this.major + "." + this.minor + "." + this.revision + "." + this.buildNumber; // "1.0.0.0";
}

Videx.Version.prototype.compare = function(version) {
	if (this.major == version.major && this.minor == version.minor
		&& this.revision == version.revision && this.buildNumber == version.buildNumber)
		return 0;
		
	if ( 
		(this.major < version.major) ||
		(this.major == version.major && this.minor < version.minor) ||
		(this.major == version.major && this.minor == version.minor && this.revision < version.revision ) ||
		(this.major == version.major && this.minor == version.minor && this.revision == version.revision && this.buildNumber < version.buildNumber)
		)
		return -1;
	return 1;
}// videxstation.js

var Videx; if (!Videx) Videx = {};

/*
// Videx.VidexStation class
Videx.VidexStation = {
	// atributes:
	objectAvailable: true,
	cookieDomain: "sokmil.com",
	InstallURL: '/vs/download_confirm.php',
	
	// method:
	isIE: function() {
		return (navigator.appName == "Microsoft Internet Explorer") ? true : false; // IE check
	},
	isOcxSupport: function() { return Videx.VidexStation.isIE(); },
	isInstalled: function() {
		// ActiveXが利用できる場合はVidexStationがインストールするAcriveXのCreateでチェック
		if (Videx.VidexStation.isOcxSupport()) {
			if ( vsCheck!=undefined && Videx.VidexStation.objectAvailable ) {
				//alert('version : ' + vsCheck.GetVersion() + "\n" + 'vsversion : ' + vsCheck.GetVSVersion());
				return true;
			}
		}
		// ActiveXで判断できない場合は、Cookieで判断する
		if ( Videx.VidexStation.hasInstallMark() ) {
			// IEにおいて、ActiveXが見つからないのにCookieではインストールの痕跡がある場合
			if ( Videx.VidexStation.isIE() ) {
				Videx.VidexStation.setInstallMark(false); // Cookieをクリア
				var msg = "『アニメジャン動画ＤＬツール』を認識することができませんでした。\n";
				msg += "高速ダウロードを行うには『アニメジャン動画ＤＬツール』が必要です。\n";
				msg += "\n";
				msg += "■■■『アニメジャン動画ＤＬツール』をセットアップしているのにこの表示が出る場合■■■\n";
				msg += "セキュリティレベルが「高」に設定されているか、『アニメジャン動画ＤＬツール』の読み込み\n";
				msg += "がキャンセルされた可能性があります。\n";
				msg += "次の事項を確認してください。\n";
				msg += "　・Internet Explorer のセキュリティレベル\n";
				msg += "　・ページが表示されるときに警告が表示され、その場面でキャンセルをしていないか\n";
				msg += "　・ウィスルチェックを行うソフトウェアの設定で、この種のプログラムをプロテクト\n";
				msg += "　　するようになっていないか\n";
				msg += "\n";
				msg += "■■■『アニメジャン動画ＤＬツール』をアンインストールしてしまった場合■■■\n";
				msg += "再度、『アニメジャン動画ＤＬツール』をインストールしてください。\n";
				alert( msg );
				return false;
			}
			return true;
		}
		return false;
	},
	
	hasInstallMark: function() {
		var cookie = Videx.VidexStation.getCookie("vsdownload");
		return ( cookie != null && cookie == "on" ) ? true : false;
	},
	
	setInstallMark: function(enable) {
		if (enable) {
			// ActiveXが使えないブラウザではVidexStationがインストールされているかどうかを判定できない
			// そこでCookieにインストールの印をつけそれを代用する
			Videx.VidexStation.setCookie("vsdownload","on");
		} else {
			Videx.VidexStation.setCookie("vsdownload","off");
		}
	},
	
	isDocumentarySupported: function() {
		var ret = false;
		try {
			var vsDocVersion = new Videx.Version(1,0,1,120);
			var vsVersion = Videx.VidexStation.getVersion();
			//alert("videxstation version:" + vsVersion);
			ret = (vsVersion.compare(vsDocVersion) >= 0) ? true : false;
		} catch (e) {}
		return ret;
	},

	// Cookie Supports to check Install VidexStation for Firefox
	getCookieValue: function(offset) {
		var maxlength = document.cookie.indexOf(";", offset);
		if (maxlength == -1) maxlength = document.cookie.length;
		return unescape(document.cookie.substring(offset, maxlength));
	},

	setCookie: function(name,value) {
		var domain = Videx.VidexStation.cookieDomain;
		var nowtime = new Date().getTime();
		var clear_time = new Date(nowtime + (60 * 60 * 24 * 1000 * 365));
		var expires = clear_time.toGMTString();
		document.cookie = name + '=' + escape(value) + '; path=/; expires=' + expires;
	},
	
	getCookie: function(name) {
		var arg = name + "=";
		var argLength = arg.length;
		var cookieLength = document.cookie.length;
		var i = 0;
		while (i < cookieLength) {
			var j = i + argLength;
			if (document.cookie.substring(i, j) == arg) {
				return Videx.VidexStation.getCookieValue(j);
			}
			i = document.cookie.indexOf(" ", i) + 1;
			if (i == 0)
				break;
		}
		return null;
	},
	
	getVersion: function() {
		var vsVersion = new Videx.Version(1,0,1,110);
		try {
			var v = desktopCheck.GetVSVersion();
			if (v) vsVersion.parse(v);
		} catch (e) {}
		return vsVersion;
	},

	request: function(url) { 
		var ret = Videx.VidexStation.isInstalled();
		if (ret) {
			location.href = url;
		} else {
			location.href = Videx.VidexStation.InstallURL;
		}
		return ret;
	},

	// Documentaryの作品が5MBと8MBの複数のbitrateのコンテンツを持つために
	// VidexStationの更新が必要
	vsDocumentaryCheckAllDL: function(url) {
		var ret = Videx.VidexStation.isInstalled();
		if (ret) {
			var ret = Videx.VidexStation.isDocumentarySupported();
			if (!ret && Videx.VidexStation.isOcxSupport()) {
				var msg = "お客様の購入履歴の中にドキュメンタリーの作品が見つかりました。。\n";
					msg += "ドキュメンタリーの作品を高速ダウンロードするためには『アニメジャン動画ＤＬツール』の更新が必要です。\n";
					msg += "\n";
					msg += "『アニメジャン動画ＤＬツール』を最新にするには『アニメジャン動画ＤＬツール』を起動し、\n";
					msg += "ヘルプ(H)メニューの『アニメジャン動画ＤＬツールの更新の確認...』を実行してください。\n";
				alert(msg);
				return false;
			} else {
				location.href = url;
			}
		} else {
			location.href = Videx.VidexStation.InstallURL;
		}
		return ret;
	},
	
	// 準プレミアムなど同じ作品で違うrights(variant)の表示がおかしくなるvsかどうか
	isDuplicateProductUnsupported: function() {
		var ret = Videx.VidexStation.isInstalled();
		if (ret && Videx.VidexStation.isOcxSupport()) {
			var vsSupportedVersion = new Videx.Version(2,0,6,225);
			var vsVersion = Videx.VidexStation.getVersion();
			ret = (vsVersion.compare(vsSupportedVersion) < 0) ? true : false;
		}
		return ret;
	}
};


// global
document.write('<object classid="CLSID:88D8EDF5-C736-499F-A36A-B24979F4DE17" id="vsCheck" width="0" height="0" onError="onVsDesktopNotInstall()"></object>');
function onVsDesktopNotInstall() { Videx.VidexStation.objectAvailable = false; }
*/

/*
 	Videx.UI.Lightbox based on lightbox.js
		Lightbox JS: Fullsize Image Overlays 
		by Lokesh Dhakar - http://www.huddletogether.com
		For more information on this script, visit:
		http://huddletogether.com/projects/lightbox/
		Licensed under the Creative Commons Attribution 2.5 License - http://creativecommons.org/licenses/by/2.5/
		(basically, do anything you want, just leave my name and link)
	
	
	Videx.UI.HeightLine
		heightLine JavaScript Library beta4
		MIT-style license. 
		2007 Kazuma Nishihata http://www.webcreativepark.net
*/

var Videx; if (!Videx) Videx = {};
if (!Videx.UI) Videx.UI = {};

Videx.UI.Lightbox = {
	loadingImage: '/css/img/lightbox/loading.gif',
	closeButton: '/css/img/lightbox/close.gif',
	
	getPageScroll: function() {
		var yScroll;
		if (self.pageYOffset) { 
			yScroll = self.pageYOffset;
		} else if (document.documentElement && document.documentElement.scrollTop){	 // Explorer 6 Strict
			yScroll = document.documentElement.scrollTop;
		} else if (document.body) {// all other Explorers
			yScroll = document.body.scrollTop;
		}
		arrayPageScroll = new Array('',yScroll) 
		return arrayPageScroll;
	},
	
	getPageSize: function() {
		var xScroll, yScroll;
		if (window.innerHeight && window.scrollMaxY) {
			xScroll = document.body.scrollWidth;
			yScroll = window.innerHeight + window.scrollMaxY;
		} else if (document.body.scrollHeight > document.body.offsetHeight){ // all but Explorer Mac
			xScroll = document.body.scrollWidth;
			yScroll = document.body.scrollHeight;
		} else { // Explorer Mac...would also work in Explorer 6 Strict, Mozilla and Safari
			xScroll = document.body.offsetWidth;
			yScroll = document.body.offsetHeight;
		}
		var windowWidth, windowHeight;
		if (self.innerHeight) {	// all except Explorer
			windowWidth = self.innerWidth;
			windowHeight = self.innerHeight;
		} else if (document.documentElement && document.documentElement.clientHeight) { // Explorer 6 Strict Mode
			windowWidth = document.documentElement.clientWidth;
			windowHeight = document.documentElement.clientHeight;
		} else if (document.body) { // other Explorers
			windowWidth = document.body.clientWidth;
			windowHeight = document.body.clientHeight;
		}
		// for small pages with total height less then height of the viewport
		if(yScroll < windowHeight){
			pageHeight = windowHeight;
		} else { 
			pageHeight = yScroll;
		}
		// for small pages with total width less then width of the viewport
		if(xScroll < windowWidth){	
			pageWidth = windowWidth;
		} else {
			pageWidth = xScroll;
		}
		arrayPageSize = new Array(pageWidth,pageHeight,windowWidth,windowHeight) 
		return arrayPageSize;
	},
	
	pause: function(numberMillis) {
		var now = new Date();
		var exitTime = now.getTime() + numberMillis;
		while (true) {
			now = new Date();
			if (now.getTime() > exitTime)
				return;
		}
	},
	
	getKey: function(e){
		if (e == null) { // ie
			keycode = event.keyCode;
		} else { // mozilla
			keycode = e.which;
		}
		key = String.fromCharCode(keycode).toLowerCase();
		if (key == 'x') {
			Videx.UI.Lightbox.hide();
		}
	},

	listenKey: function() {	
		document.onkeypress = Videx.UI.Lightbox.getKey;
	},
	
	show: function(objLink) {
		// prep objects
		var objOverlay = document.getElementById('overlay');
		var objLightbox = document.getElementById('lightbox');
		var objCaption = document.getElementById('lightboxCaption');
		var objImage = document.getElementById('lightboxImage');
		var objLoadingImage = document.getElementById('loadingImage');
		var objLightboxDetails = document.getElementById('lightboxDetails');
		
		var arrayPageSize = Videx.UI.Lightbox.getPageSize();
		var arrayPageScroll = Videx.UI.Lightbox.getPageScroll();
	
		// center loadingImage if it exists
		if (objLoadingImage) {
			objLoadingImage.style.top = (arrayPageScroll[1] + ((arrayPageSize[3] - 35 - objLoadingImage.height) / 2) + 'px');
			objLoadingImage.style.left = (((arrayPageSize[0] - 20 - objLoadingImage.width) / 2) + 'px');
			objLoadingImage.style.display = 'block';
		}
		
		// set height of Overlay to take up whole page and show
		objOverlay.style.height = (arrayPageSize[1] + 'px');
		objOverlay.style.display = 'block';
	
		// preload image
		imgPreload = new Image();
	
		imgPreload.onload = function() {
			objImage.src = objLink.href;
	
			// center lightbox and make sure that the top and left values are not negative
			// and the image placed outside the viewport
			var lightboxTop = arrayPageScroll[1] + ((arrayPageSize[3] - 35 - imgPreload.height) / 2);
			var lightboxLeft = ((arrayPageSize[0] - 20 - imgPreload.width) / 2);
			
			objLightbox.style.top = (lightboxTop < 0) ? "0px" : lightboxTop + "px";
			objLightbox.style.left = (lightboxLeft < 0) ? "0px" : lightboxLeft + "px";
	
			objLightboxDetails.style.width = imgPreload.width + 'px';
			
			if(objLink.getAttribute('title')){
				objCaption.style.display = 'block';
				//objCaption.style.width = imgPreload.width + 'px';
				objCaption.innerHTML = objLink.getAttribute('title');
			} else {
				objCaption.style.display = 'none';
			}
			
			// A small pause between the image loading and displaying is required with IE,
			// this prevents the previous image displaying for a short burst causing flicker.
			if (navigator.appVersion.indexOf("MSIE")!=-1){
				Videx.UI.Lightbox.pause(250);
			} 
	
			if (objLoadingImage) {	objLoadingImage.style.display = 'none'; }
	
			// Hide select boxes as they will 'peek' through the image in IE
			selects = document.getElementsByTagName("select");
	        for (i = 0; i != selects.length; i++) {
	                selects[i].style.visibility = "hidden";
	        }
		
			objLightbox.style.display = 'block';
	
			// After image is loaded, update the overlay height as the new image might have
			// increased the overall page height.
			arrayPageSize = Videx.UI.Lightbox.getPageSize();
			objOverlay.style.height = (arrayPageSize[1] + 'px');
			
			// Check for 'x' keypress
			Videx.UI.Lightbox.listenKey();
			return false;
		}
		imgPreload.src = objLink.href;
	},

	hide: function() {
		// get objects
		objOverlay = document.getElementById('overlay');
		objLightbox = document.getElementById('lightbox');
		// hide lightbox and overlay
		objOverlay.style.display = 'none';
		objLightbox.style.display = 'none';
		// make select boxes visible
		selects = document.getElementsByTagName("select");
	    for (i = 0; i != selects.length; i++) {
			selects[i].style.visibility = "visible";
		}
		// disable keypress listener
		document.onkeypress = '';
	},

	init: function() {
		if (!document.getElementsByTagName){ return; }
		
		var anchors = document.getElementsByTagName("a");
	
		// loop through all anchor tags
		for (var i=0; i<anchors.length; i++){
			var anchor = anchors[i];
			if (anchor.getAttribute("href") && (anchor.getAttribute("rel") == "lightbox")){
				anchor.onclick = function () {
					Videx.UI.Lightbox.show(this);
					return false;
				}
			}
		}
	
		// the rest of this code inserts html at the top of the page that looks like this:
		//
		// <div id="overlay">
		//		<a href="#" onclick="hideLightbox(); return false;"><img id="loadingImage" /></a>
		//	</div>
		// <div id="lightbox">
		//		<a href="#" onclick="hideLightbox(); return false;" title="Click anywhere to close image">
		//			<img id="closeButton" />		
		//			<img id="lightboxImage" />
		//		</a>
		//		<div id="lightboxDetails">
		//			<div id="lightboxCaption"></div>
		//			<div id="keyboardMsg"></div>
		//		</div>
		// </div>
		
		var objBody = document.getElementsByTagName("body").item(0);
		
		// create overlay div and hardcode some functional styles (aesthetic styles are in CSS file)
		var objOverlay = document.createElement("div");
		objOverlay.setAttribute('id','overlay');
		objOverlay.onclick = function () {hideLightbox(); return false;}
		objOverlay.style.display = 'none';
		objOverlay.style.position = 'absolute';
		objOverlay.style.top = '0';
		objOverlay.style.left = '0';
		objOverlay.style.zIndex = '90';
	 	objOverlay.style.width = '100%';
		objBody.insertBefore(objOverlay, objBody.firstChild);
		
		var arrayPageSize = Videx.UI.Lightbox.getPageSize();
		var arrayPageScroll = Videx.UI.Lightbox.getPageScroll();
	
		// preload and create loader image
		var imgPreloader = new Image();
		
		// if loader image found, create link to hide lightbox and create loadingimage
		imgPreloader.onload=function(){
	
			var objLoadingImageLink = document.createElement("a");
			objLoadingImageLink.setAttribute('href','#');
			objLoadingImageLink.onclick = function () {Videx.UI.Lightbox.hide(); return false;}
			objOverlay.appendChild(objLoadingImageLink);
			
			var objLoadingImage = document.createElement("img");
			objLoadingImage.src = Videx.UI.Lightbox.loadingImage;
			objLoadingImage.setAttribute('id','loadingImage');
			objLoadingImage.style.position = 'absolute';
			objLoadingImage.style.zIndex = '150';
			objLoadingImageLink.appendChild(objLoadingImage);
	
			imgPreloader.onload=function(){};	//	clear onLoad, as IE will flip out w/animated gifs
	
			return false;
		}
	
		imgPreloader.src = Videx.UI.Lightbox.loadingImage;
	
		// create lightbox div, same note about styles as above
		var objLightbox = document.createElement("div");
		objLightbox.setAttribute('id','lightbox');
		objLightbox.style.display = 'none';
		objLightbox.style.position = 'absolute';
		objLightbox.style.zIndex = '100';	
		objBody.insertBefore(objLightbox, objOverlay.nextSibling);
		
		// create link
		var objLink = document.createElement("a");
		objLink.setAttribute('href','#');
		objLink.setAttribute('title','クリックすると閉じます');
		objLink.onclick = function () {Videx.UI.Lightbox.hide(); return false;}
		objLightbox.appendChild(objLink);
	
		// preload and create close button image
		var imgPreloadCloseButton = new Image();
	
		// if close button image found, 
		imgPreloadCloseButton.onload=function(){
			var objCloseButton = document.createElement("img");
			objCloseButton.src = Videx.UI.Lightbox.closeButton;
			objCloseButton.setAttribute('id','closeButton');
			objCloseButton.style.position = 'absolute';
			objCloseButton.style.zIndex = '200';
			objLink.appendChild(objCloseButton);
			return false;
		}
	
		imgPreloadCloseButton.src = Videx.UI.Lightbox.closeButton;
	
		// create image
		var objImage = document.createElement("img");
		objImage.setAttribute('id','lightboxImage');
		objLink.appendChild(objImage);
		
		// create details div, a container for the caption and keyboard message
		var objLightboxDetails = document.createElement("div");
		objLightboxDetails.setAttribute('id','lightboxDetails');
		objLightbox.appendChild(objLightboxDetails);
	
		// create caption
		var objCaption = document.createElement("div");
		objCaption.setAttribute('id','lightboxCaption');
		objCaption.style.display = 'none';
		objLightboxDetails.appendChild(objCaption);
	
		// create keyboard message
		var objKeyboardMsg = document.createElement("div");
		objKeyboardMsg.setAttribute('id','keyboardMsg');
		objKeyboardMsg.innerHTML = '<a href="#" onclick="Videx.UI.Lightbox.hide(); return false;"><kbd>x</kbd></a>キーで閉じます';
		objLightboxDetails.appendChild(objKeyboardMsg);
	}
};

Videx.UI.HeightLine = {
	init: function() {
		this.className="heightLine";
		this.parentClassName="heightLineParent"
		reg = new RegExp(this.className+"-([a-zA-Z0-9-_]+)", "i");
		objCN =new Array();
		var objAll = document.getElementsByTagName ? document.getElementsByTagName("*") : document.all;
		for(var i = 0; i < objAll.length; i++) {
			var eltClass = objAll[i].className.split(/\s+/);
			for(var j = 0; j < eltClass.length; j++) {
				if(eltClass[j] == this.className) {
					if(!objCN["main CN"]) objCN["main CN"] = new Array();
					objCN["main CN"].push(objAll[i]);
					break;
				}else if(eltClass[j] == this.parentClassName){
					if(!objCN["parent CN"]) objCN["parent CN"] = new Array();
					objCN["parent CN"].push(objAll[i]);
					break;
				}else if(eltClass[j].match(reg)){
					var OCN = eltClass[j].match(reg)
					if(!objCN[OCN]) objCN[OCN]=new Array();
					objCN[OCN].push(objAll[i]);
					break;
				}
			}
		}
		
		//check font size
		var e = document.createElement("div");
		var s = document.createTextNode("S");
		e.appendChild(s);
		e.style.visibility="hidden"
		e.style.position="absolute"
		e.style.top="0"
		document.body.appendChild(e);
		var defHeight = e.offsetHeight;
		
		changeBoxSize = function(){
			for(var key in objCN){
				if (objCN.hasOwnProperty(key)) {
					//parent type
					if(key == "parent CN"){
						for(var i=0 ; i<objCN[key].length ; i++){
							var max_height=0;
							var CCN = objCN[key][i].childNodes;
							for(var j=0 ; j<CCN.length ; j++){
								if(CCN[j] && CCN[j].nodeType == 1){
									CCN[j].style.height="auto";
									max_height = max_height>CCN[j].offsetHeight?max_height:CCN[j].offsetHeight;
								}
							}
							for(var j=0 ; j<CCN.length ; j++){
								if(CCN[j].style){
									var stylea = CCN[j].currentStyle || document.defaultView.getComputedStyle(CCN[j], '');
									var newheight = max_height;
									if(stylea.paddingTop)newheight -= stylea.paddingTop.replace("px","");
									if(stylea.paddingBottom)newheight -= stylea.paddingBottom.replace("px","");
									if(stylea.borderTopWidth && stylea.borderTopWidth != "medium")newheight-= stylea.borderTopWidth.replace("px","");
									if(stylea.borderBottomWidth && stylea.borderBottomWidth != "medium")newheight-= stylea.borderBottomWidth.replace("px","");
									CCN[j].style.height =newheight+"px";
								}
							}
						}
					}else{
						var max_height=0;
						for(var i=0 ; i<objCN[key].length ; i++){
							objCN[key][i].style.height="auto";
							max_height = max_height>objCN[key][i].offsetHeight?max_height:objCN[key][i].offsetHeight;
						}
						for(var i=0 ; i<objCN[key].length ; i++){
							if(objCN[key][i].style){
								var stylea = objCN[key][i].currentStyle || document.defaultView.getComputedStyle(objCN[key][i], '');
									var newheight = max_height;
									if(stylea.paddingTop)newheight-= stylea.paddingTop.replace("px","");
									if(stylea.paddingBottom)newheight-= stylea.paddingBottom.replace("px","");
									if(stylea.borderTopWidth && stylea.borderTopWidth != "medium")newheight-= stylea.borderTopWidth.replace("px","")
									if(stylea.borderBottomWidth && stylea.borderBottomWidth != "medium")newheight-= stylea.borderBottomWidth.replace("px","");
									objCN[key][i].style.height =newheight+"px";
							}
						}
					}
				}
			}
		}
		
		checkBoxSize = function(){
			if(defHeight != e.offsetHeight){
				changeBoxSize();
				defHeight= e.offsetHeight;
			}
		}
		changeBoxSize();
		setInterval(checkBoxSize,1000)
		// required prototype.js
		Event.observe(window, 'resize', changeBoxSize);
	}
};


Videx.UI.Bookmark = function(objLink, instanceName, pid, exists, loggedIn, sslsite) {
	this.initialize.apply(this, arguments);
};
Videx.UI.Bookmark.prototype = {
	parentObj: '',
	anchorObj: '',
	scriptObj: '',
	pid: 0,
	exists: -1,
	loggedIn: -1,
	sslsite: '',
	instanceName: '',
	eventhandler: '',
	initialize: function(objLink, instanceName, pid, exists, loggedIn, sslsite){
		this.parentObj = $(objLink);
		this.instanceName = instanceName;//callback内でthisを使うための苦肉の策
		this.pid = pid;
		this.exists = exists;
		this.loggedIn = loggedIn;
		this.sslsite = sslsite;
		this.scriptObj = document.createElement("script");
		this.scriptObj.id='dmy_bookmark'+this.pid;
		this.scriptObj.setAttribute('type', 'text/javascript');
		this.scriptObj.setAttribute('charset', 'UTF-8');
		this.parentObj.appendChild(this.scriptObj);
		this.anchorObj = document.createElement("a");
		this.anchorObj.id = 'a_bookmark'+this.pid;
		this.parentObj.appendChild(this.anchorObj);

		if(this.exists==1) this.isExists();
		else if(this.exists==0) this.isNotExists();
		else if(this.loggedIn==0) this.isNotLoggedIn();
		else this.getState();
	},
	isExists: function(){
		this.loggedIn = 1;
		this.exists = 1;
		Event.stopObserving(this.anchorObj, 'click', this.eventhandler);
		var cn = new Element.ClassNames(this.anchorObj);
		cn.set('add-bookmark-checked');
		this.anchorObj.setAttribute('href', this.sslsite+'/member/bookmark/');
		this.anchorObj.innerHTML = 'お気に入りに登録済み';
	},
	isNotExists: function(){
		this.loggedIn = 1;
		this.exists = 0;
		var cn = new Element.ClassNames(this.anchorObj);
		cn.set('add-bookmark');
		this.anchorObj.setAttribute('href', 'javascript:void(0)');
		this.eventhandler = this.addBookmark.bindAsEventListener(this);
		Event.observe(this.anchorObj, 'click', this.eventhandler);
		this.anchorObj.innerHTML = 'お気に入りに登録';
	},
	isNotLoggedIn: function(){
		this.loggedIn = 0;
		var cn = new Element.ClassNames(this.anchorObj);
		cn.set('add-bookmark');
		this.anchorObj.setAttribute('href', 'javascript:void(0)');
		this.eventhandler = this.redirLoginPage.bindAsEventListener(this);
		Event.observe(this.anchorObj, 'click', this.eventhandler);
		this.anchorObj.innerHTML = 'お気に入りに登録';
	},

	getState: function(){
		this.JSONP(this.sslsite+'/member/inc/helper/editbookmark.php?pid='+this.pid+'&action=init&callback='+this.instanceName+'.callback');
	},
	addBookmark: function(e){
		this.JSONP(this.sslsite+'/member/inc/helper/editbookmark.php?pid='+this.pid+'&action=add&callback='+this.instanceName+'.callback');
		return e.returnValue = '';
	},
	redirLoginPage: function(e){
		window.location.href=this.sslsite+'/member/bookmark/add.php?from='+encodeURI(window.location.href)+'&pid='+this.pid;
		return e.returnValue = '';
	},
	callback: function(ret){
		if( ret['success'] && ret['success'] == 1 ){
			if( ret['exists'] ){
				if(ret['exists']==1) this.isExists();
				else this.isNotExists();
				return;
			}
		}
		this.isNotLoggedIn();
	},

	JSONP: function(url){
		var newscriptObj = document.createElement('script');
		newscriptObj.id = 'dmy_bookmark'+this.pid;
		newscriptObj.setAttribute('type', 'text/javascript');
		newscriptObj.setAttribute('charset', 'UTF-8');
		newscriptObj.src = url;
		this.parentObj.replaceChild(newscriptObj, this.scriptObj);
		this.scriptObj = newscriptObj;
	}
};
//require VidexUtils.js prototype.js
if (!Videx.UI) Videx.UI = {};
var voter = {};

Videx.UI.ReviewAndRating = function(pid, nn, page, size, score, order, direction, objRating, objReview, sslsite, isparent){
	//↓緊急時はこの1行をコメントアウト
	this.initialize.apply(this, arguments);
}
Videx.UI.ReviewAndRating.prototype = {
	pid: 0,
	nn: '',
	page: 1,
	size: 10,
	score: '',
	order: 'date',
	direction: -1,
	objRating: '',
	objReview: '',
	sslsite: '',
	isparent: '',
	url: '/profile/helper/review_and_rating.php',
	initialize: function (pid, nn, page, size, score, order, direction, objRating, objReview, sslsite, isparent){
		this.sslsite = sslsite;
		var params = '';
		if( pid ){
			this.pid = pid;
			params = params + '&pid='+pid;
		}
		if( nn ){//エンコーディング
			this.nn = nn;
			params = params + '&nn='+nn;
		}
		if( page ){
			this.page = page;
			params = params + '&page='+page;
		}
		if( size ){
			this.size = size;
			params = params + '&size='+size;
		}
		if( score ){
			this.score = score;
			params = params + '&score='+score;
		}
		if( order ){
			this.order = order;
			params = params + '&order='+order;
		}
		if( direction ){
			this.direction = direction;
			params = params + '&direction='+direction;
		}
		if( isparent ){
			this.isparent = isparent;
			params = params + '&isparent=1'
		}

		//オブジェクトの中身を掃除
		if( objRating ){
			this.objRating = $(objRating);
			if( this.objRating ){
				this.objRating.innerHTML = '';
			}
		}
		if( objReview ){
			this.objReview = $(objReview);
			if( this.objReview ){
				this.objReview.innerHTML = '';
			}
		}

		new Ajax.Request(this.url, {method:'get', onComplete:function(ret){
			var ugc = eval( '(' + ret['responseText'] + ')');
			if( this.objRating ){
				new Videx.UI.RatingSummary(this.objRating, ugc.rating_summary);
			}
			if( this.objReview ){
				this.review(ugc.review);
			}
		}.bind(this), parameters:params});
	},

	review: function(reviews){
		var total = reviews['allreviews'];
		this.objReview.align="left";

		//ページめくりを表示
		if( total > 0 ){
			this.reviewPagenate(total);
			//個々のレビューを表示
			var i=0;
			while(reviews[i]){
				this.reviewContainer(reviews[i]);
				i++;
			}
		}
		else{
			var pageH3 = document.createElement('h3');
			pageH3.innerHTML = 'この商品に対するレビュー（0件）';
			this.objReview.appendChild(pageH3);
			var msg = document.createElement('p');
			msg.className = 'text';
			msg.style.paddingTop = "15px";
			Element.update(msg, 'この作品に対するレビューはまだありません。');
			this.objReview.appendChild(msg);
		}
	},

	reviewPagenate: function(total){
		var nextlink = 0;
		var prevlink = 0;
		var maxpage = Math.ceil(total/this.size);
		if( this.page > maxpage ) this.page = maxpage;
		if( maxpage > this.page + 10 ){
			maxpage = this.page + 10;
			nextlink = 1;
		}
		var minpage = 1;
		if( minpage < this.page - 10 ){
			minpage = this.page -10;
			prevlink = 1;
		}

		var start = (this.size * (this.page-1));
		if( start < 0 ) start = 0;
		var end = start + this.size;
		if( end > total ) end = total;

		var pageH3 = document.createElement('h3');
		pageH3.innerHTML = 'この商品に対するレビュー（'+total+'件）';

		var pageSpan = document.createElement('span');
		pageSpan.innerHTML = total+'件中&nbsp;'+(start+1)+'-'+end+'件&nbsp;';
		var pageA = {};
//		if(prevlink){
//			pageA['prev'] = document.createElement('a');
//			pageA['prev'].setAttribute('href', 'javascript:void(0);');
//			pageA['prev'].innerHTML = '前へ';
//			pageSpan.appendChild(pageA['prev']);
//			Event.observe(pageA['prev'], 'click', this.changePage(minpage-1).bindAsEventListener(this));
//		}
		for( var i=minpage; i<=maxpage; i++){
			pageA[i] = document.createElement('a');
			pageA[i].setAttribute('href', 'javascript:void(0);');
			pageA[i].innerHTML = i;
			pageSpan.appendChild(pageA[i]);
			Event.observe(pageA[i], 'click', function(e){
				e = e || window.event;
				var ele = e.target || e.srcElement;
				var n = ele.innerHTML;
				this.initialize(this.pid, this.nn, n, this.size, this.score, this.order, this.direction, this.objRating, this.objReview, this.sslsite, this.isparent);
			}.bind(this));
		}
//		if(nextlink){
//			pageA['next'] = document.createElement('a');
//			pageA['next'].setAttribute('href', 'javascript:void(0);');
//			pageA['next'].innerHTML = '次へ';
//			pageSpan.appendChild(pageA['next']);
//			Event.observe(pageA['next'], 'click', this.changePage(maxpage+1).bindAsEventListener(this));
//		}

		var pageP = document.createElement('p');
		pageP.className = 'page';
		pageP.appendChild(pageSpan);
		var text1 = document.createTextNode('表示 : ');
		pageP.appendChild(text1);
		if( this.size == 10 ){
			var text2 = document.createTextNode('10件');
			pageP.appendChild(text2);
		} else {
			var sizeA10 = document.createElement('a');
			sizeA10.setAttribute('href', 'javascript:void(0);');
			sizeA10.innerHTML = '10件';
			pageP.appendChild(sizeA10);
			Event.observe(sizeA10, 'click', function(e){
				this.initialize(this.pid, this.nn, this.page, 10, this.score, this.order, this.direction, this.objRating, this.objReview, this.sslsite, this.isparent);
			}.bind(this));
		}
		var text3 = document.createTextNode('｜');
		pageP.appendChild(text3);
		if( this.size == 20 ){
			var text4 = document.createTextNode('20件');
			pageP.appendChild(text4);
		} else {
			var sizeA20 = document.createElement('a');
			sizeA20.setAttribute('href', 'javascript:void(0);');
			sizeA20.innerHTML = '20件';
			pageP.appendChild(sizeA20);
			Event.observe(sizeA20, 'click', function(e){
				this.initialize(this.pid, this.nn, this.page, 20, this.score, this.order, this.direction, this.objRating, this.objReview, this.sslsite, this.isparent);
			}.bind(this));
		}
		var text5 = document.createTextNode('  並べ順 :');
		pageP.appendChild(text5);

		var sortSelect = document.createElement('select');
		sortSelect.setAttribute('name', 'sort');
		var opt1 = document.createElement('option');
		opt1.setAttribute('value', 'date_-1');
		opt1.innerHTML = '新着順';
		if(this.order=='date' && this.direction==-1) opt1.selected = true;
		sortSelect.appendChild(opt1);
		var opt2 = document.createElement('option');
		opt2.setAttribute('value', 'score_-1');
		opt2.innerHTML = '評価順（高）';
		if(this.order=='score' && this.direction==-1) opt2.selected = true;
		sortSelect.appendChild(opt2);
		var opt3 = document.createElement('option');
		opt3.setAttribute('value', 'score_1');
		opt3.innerHTML = '評価順（低）';
		if(this.order=='score' && this.direction==1) opt3.selected = true;
		sortSelect.appendChild(opt3);
		pageP.appendChild(sortSelect);
		Event.observe(sortSelect, 'change', function(e){
			e = e || window.event;
			var ele = e.target || e.srcElement;
			var sort = $F(ele);
			var n = sort.split('_');
			this.initialize(this.pid, this.nn, this.page, this.size, this.score, n[0], n[1], this.objRating, this.objReview, this.sslsite, this.isparent);
		}.bind(this));

		this.objReview.appendChild(pageH3);
		this.objReview.appendChild(pageP);
	},

	reviewContainer: function(review){
		var countainer = document.createElement('div');
		countainer.className = 'review_container';
		countainer.style.clear = 'both';
		var htmlCode = '<h4><span><strong>評価&nbsp;:&nbsp;</strong><img src="/common/videx/css/img/vdxicons/ico_rate_r' + review['score'] + '.gif" width="75" height="15" align="absmiddle" />'
			+ '<strong class="title">' + review['title'] + '</strong></span>追加日&nbsp;:&nbsp;' + review['lastupdate'] + '</h4>'
			+ '<h5><span><strong>レビュー評価&nbsp;:&nbsp;<em>' + review['metarating']['plus'] + '人</em></strong>（' + eval(parseInt(review['metarating']['plus']) + parseInt(review['metarating']['minus'])) + '人中）が「参考になった」と答えています。</span>'
			+ '<strong>投稿者&nbsp;:&nbsp;</strong><a href="/profile/' + review['nickname'] + '/index.htm">' + review['nickname'] + '</a></h5>'
			+ '<p class="text">' + review['review'] + '</p>'
			+ '<div style="clear:both; width:100%;" />';
		Element.update(countainer, htmlCode);
		var voteDIV = document.createElement('div');
		voteDIV.id = 'review_vote_'+review['ratingid'];
		voter[review['ratingid']] = new Videx.UI.MetaRating(voteDIV, 'voter['+review['ratingid']+']', review['ratingid'], this.sslsite);
		countainer.appendChild(voteDIV);

		this.objReview.appendChild(countainer);
	}
};

Videx.UI.MetaRating = function(obj, instanceName, rid, sslsite){
	this.initialize.apply(this, arguments);
};
Videx.UI.MetaRating.prototype = {
	obj: '',
	instanceName: '',
	scriptObj: '',
	rid: 0,
	vote: '',
	sslsite: '',
	url: "/member/inc/helper/votemetarating.php",
	error_timeout:'',
	initialize: function (obj, instanceName, rid, sslsite){
		this.obj = obj;
		this.instanceName = instanceName;
		this.rid = rid;
		this.sslsite = sslsite;

		var refP = document.createElement('p');
		refP.className = "reference";
		refP.id = 'reference'+this.rid;

		refP.innerHTML = "このレビューは参考になりましたか？ ";
		var buttonYes = document.createElement('button');
		buttonYes.className = "vote-yes";
		buttonYes.id = 'vote-yes'+this.rid;
		buttonYes.innerHTML = "はい";
		refP.appendChild(buttonYes);
		Event.observe(buttonYes, "click", this.clickYes.bindAsEventListener(this));
		var buttonNo = document.createElement('button');
		buttonNo.className = "vote-no";
		buttonNo.id = 'vote-no'+this.rid;
		buttonNo.innerHTML = "いいえ";
		Event.observe(buttonNo, "click", this.clickNo.bindAsEventListener(this));
		refP.appendChild(buttonNo);
		var spanRep = document.createElement('span');
		spanRep.className = 'report';
		var aRep = document.createElement('a');
		aRep.id = 'report'+this.rid;
		var fromUri = window.location.href;
		if(fromUri.indexOf('#')) fromUri = fromUri.substr(0, fromUri.indexOf('#'));
		aRep.setAttribute('href', this.sslsite+'/member/ugc/report_review.php?from='+encodeURI(fromUri)+'&id='+this.rid);
		aRep.innerHTML = '報告する';
		aRep.setAttribute('title', "このレビューが不適切だとお考えの場合は、報告にご協力ください");
		spanRep.appendChild(aRep);
		refP.appendChild(spanRep);
		var loader = document.createElement('img');
		loader.id = 'loader'+this.rid;
		loader.setAttribute('src', '/css/img/loading/loader-arrow.gif');
		loader.className = 'loader';
		refP.appendChild(loader);
		var divMsg = document.createElement('div');
		divMsg.className = 'vote-msg';
		divMsg.id = 'vote-msg'+this.rid;
		this.obj.appendChild(refP);
		this.obj.appendChild(divMsg);

		this.scriptObj = document.createElement("script");
		this.scriptObj.id='dmy_vote'+this.rid;
		this.scriptObj.setAttribute('type', 'text/javascript');
		this.scriptObj.setAttribute('charset', 'UTF-8');
		this.obj.appendChild(this.scriptObj);
	} ,

	clickYes: function(){
		$('vote-yes'+this.rid).disabled = 1;
		$('vote-no'+this.rid).disabled = 1;
		$('loader'+this.rid).style.display = 'inline';
		this.vote = 'gd';
		var params = 'id='+this.rid+'&type=1&vote=gd&callback='+this.instanceName+'.callback';
		this.JSONP(this.sslsite+this.url+'?'+params);
	},
	clickNo: function(){
		$('vote-yes'+this.rid).disabled = 1;
		$('vote-no'+this.rid).disabled = 1;
		$('loader'+this.rid).style.display = 'inline';
		this.vote = 'ng';
		var params = 'id='+this.rid+'&type=1&vote=ng&callback='+this.instanceName+'.callback';
		this.JSONP(this.sslsite+this.url+'?'+params);
	},
	callback: function(ret){
		if( this.error_timeout ){
			clearTimeout(this.error_timeout);
			this.error_timeout = null;
		}
		else return;
		$('loader'+this.rid).style.display = 'none';
		var errorcode = ret['errorcode'];
		var htmlCode = '';
		switch(errorcode){
			case 0:
				$('reference'+this.rid).style.display = 'none';
				htmlCode = '投票ありがとうございました。';
				Element.update($('vote-msg'+this.rid), htmlCode);
				break;
			case 8:
				var fromUri = window.location.href;
				if(fromUri.indexOf('#')) fromUri = fromUri.substr(0, fromUri.indexOf('#'));
				window.location.href=this.sslsite+'/member/ugc/vote_review.php?from='+encodeURI(fromUri)+'&id='+this.rid+'&vote='+this.vote;
				break;
			default :
				$('reference'+this.rid).style.display = 'none';
				if(ret['msg']){
					Element.update($('vote-msg'+this.rid), ret['msg']);
				}
				else{
					htmlCode = 'エラーが発生しました。しばらくしてから再度投票してください。';
					Element.update($('vote-msg'+this.rid), htmlCode);
				}
				break;
		}
	},
	JSONP: function(url){
		var newscriptObj = document.createElement('script');
		newscriptObj.setAttribute('type', 'text/javascript');
		newscriptObj.setAttribute('charset', 'UTF-8');
		newscriptObj.src = url;
		this.obj.replaceChild(newscriptObj, this.scriptObj);
		this.scriptObj = newscriptObj;
		this.error_timeout = setTimeout( function(){
			//接続エラー
			this.error_timeout = null;
			$('reference'+this.rid).style.display = 'none';
			htmlCode = 'エラーが発生しました。しばらくしてから再度投票してください。';
			Element.update($('vote-msg'+this.rid), htmlCode);
		}.bind(this), 10000);
	}
};

Videx.UI.RatingSummary = function(obj, summary){
	this.show.apply(this, arguments);
};
Videx.UI.RatingSummary.prototype = {
	timer: {},
	tagid:'',
	show: function(obj, summary){
		var htmlCode = '<span class="rating-summary">';
		var width=0;
		this.tagid = parseInt(Math.random() * 100000);//とりあえず
		for(var i=1; i<6; i++){
			htmlCode = htmlCode + '<img src="/common/videx/css/img/vdxicons/ico_rate' + this.starimagePostfix(i, summary['mean']) + '.gif" />';
		}
		htmlCode = htmlCode + '<span>(' + summary['total'] + '件の評価)</span></span>';
		if( summary['total'] > 0 ){
			htmlCode = htmlCode + '<div class="rating-detail" id="rating-detail'+this.tagid+'"><div class="rating-totalcount">' + summary['total'] + '件の評価</div><table>';
			for(i=5; i>0; i--){
				htmlCode = htmlCode + '<tr><td class="score-text">星'+i+'つ:</td>'
					+ '<td class="score-bar" align="left">';
				width = Math.round(eval(60*summary[i]/summary['total']));
				if( width > 0 ){
					htmlCode = htmlCode + '<div class="graph-bar" style="width:' + width + 'px;" />';
				}
				htmlCode = htmlCode + '</td><td class="score-text">(' + summary[i] + ')</td></tr>';
			}
			htmlCode = htmlCode + '</table></div>';
		}
		Element.update(obj, htmlCode);
		if( summary['total'] > 0 ){
			Event.observe(obj, 'mouseover', function(){
				if(this.timer) clearTimeout(this.timer);
				this.timer = setTimeout( function(){ $('rating-detail'+this.tagid).style.display='block'; }.bind(this), 400);
			}.bind(this), false);
			Event.observe(obj, 'mouseout', function(){
				if(this.timer) clearTimeout(this.timer);
				this.timer = setTimeout( function(){ $('rating-detail'+this.tagid).style.display='none'; }.bind(this), 600);
			}.bind(this), false);
		}
	},
	starimagePostfix: function(id, mean){
		var score = eval( (mean*10) - ((id-1)*10) );
		if(score >= 10) score = '10';
		else if(score <= 0) score = '00';
		else score = '0'+Math.floor(score).toString();
		return score;
	}
};

Videx.UI.ListpageRating = {
	prefix: '',
	url: '/profile/helper/listpage_rating.php',
	summarys: {},
	show: function (ids, prefix){
		this.prefix = prefix;
		var params = '';
		for(idx in ids){
			if(ids.hasOwnProperty(idx)){
				params = params+'&ids['+idx+']='+ids[idx];
			}
		}
		new Ajax.Request(this.url, {method:'post', onComplete:function(ret){
			var ratings = eval( '(' + ret['responseText'] + ')');
			for(idx in ratings){
				if(ratings.hasOwnProperty(idx)){
					var id = ratings[idx].id;
					var obj = $(this.prefix + id);
					if( obj ){
						this.summarys[idx] = new Videx.UI.RatingSummary(obj, ratings[idx]['rating_summary']);
					}
				}
			}
		}.bind(this), parameters:params});
	}
};
// videx.js
//	require prototype.js, VidexUtil.js

var shopdomain = "videx.jp"; // for cookie
//Videx.VidexStation.cookieDomain = shopdomain;

function initLightbox() {
	if (Videx.UI) {
		Videx.UI.Lightbox.init();
	}
}

window.onload = function(){  shopinit(); }
function shopinit() {
	onResize();
	Event.observe(window, 'resize', onResize);
}
var resizeNotifier = new Videx.Utils.Notifier();

function onResize() {
	var left = 210;							// #beta(sidemenu) width:210px from shop_common.css
	var margin = 20;						// 
	var bw = Videx.Utils.getBrowserWidth();	// browser width
	var cx = bw - left - margin;			// new content width
	var data = {"cx":cx, "cy":0};
	resizeNotifier.notifyObservers("onResize",data);
}
function resizeTopPage(cx, cy, itemwidth){
	showTopItems('latest-item-td',	cx, cy, itemwidth, 0, 4, 1, 10);		// 1行x10列
	showTopItems('latest-item-td-second',	cx, cy, itemwidth, 0, 4, 1, 10);		// 1行x10列
	showTopItems('latest-item-td-third',	cx, cy, itemwidth, 0, 4, 1, 10);		// 1行x10列
	showTopItems('latest-item-td-4th',	cx, cy, itemwidth, 0, 4, 1, 10);		// 1行x10列
	showTopItems('digest-item-td',	cx, cy, itemwidth, 0, 4, 1, 10);		// 1行x10列
	showTopItems('endsoon-item-td',	cx, cy, itemwidth, 0, 4, 1, 10);		// 1行x10列
	showTopItems('ranking-item',	cx, cy, itemwidth, 1, 0, 2, 10);		// 2行x10列 
	showTopItems('ranking-witem',	cx, cy, 200, 1, 0, 2, 5);		// 2行x10列 
	showTopItems('char-item',		cx, cy, 110, 0, 0, 3, 5);				// 3行x5列
	showTopItems('recommend1-item',	cx, cy, 120, 1, 0, 2, 3);				// 2行x3列
	showTopItems('recommend2-item',	cx, cy, 120, 1, 0, 2, 3);				// 2行x3列
	showTopItems('recommend3-item',	cx, cy, 120, 1, 0, 2, 3);				// 2行x3列
	showTopItems('recommend4-item',	cx, cy, 120, 1, 0, 2, 3);				// 2行x3列
	showTopItems('recommend5-item',	cx, cy, 120, 1, 0, 2, 3);				// 2行x3列
	showTopItems('recommend6-item',	cx, cy, 120, 1, 0, 2, 3);				// 2行x3列
	showTopItems('recommend7-item',	cx, cy, 120, 1, 0, 2, 3);				// 2行x3列
	showTopItems('recommend8-item',	cx, cy, 120, 1, 0, 2, 3);				// 2行x3列
	showTopItems('recommend9-item',	cx, cy, 120, 1, 0, 2, 3);				// 2行x3列
}
function resizeItemList(cx,cy, element ){

	if( ! element ){ element = 'itemlist-item'; }
	showItemList(element, cx, cy, 300);
	if( element.indexOf('-2') > 0){  //
		element = element.replace("-2", "");
		showItemList(element, cx, cy, 300);
	}
	if( element == 'freeitem-list-item'){
		element = element + '_2';
		showItemList(element, cx, cy, 300);
	}
}
function resizeIndexTitlePage(cx,cy, element, subindex){
	for(var i=1; i<=8; i++){			// あ か さ た な は ま やらわ
		for(var j=0; j<subindex; j++){
			showIndexPage(element,cx,cy,i,j,100);
		}
	}
}
function resizeIndexPage(cx,cy, element,subindex){
	for(var i=1; i<=subindex; i++){
		showIndexPage(element,cx,cy,'',i,300);
	}
}
function resizeSeriesRanking(cx,cy, element, subindex){
	for(var i=1; i<=subindex; i++){
		showSeriesRanking(element,cx,cy,i,10);	//max 10
	}
}
function resizeItemMyLibrary(cx,cy,element){
	showItemMyLibrary(element,cx,cy,9);
}

function showSeriesRanking(element, cx, cy, index,max){
	var rankHeader = 60;	// 順位number
	var topItem    = 130;	// 1位
	var topChar    = 90;	// 1位キャラ
	var underItem  = 90;	// 2位以下
	if(index ==1){
		var top = cx-rankHeader-80;
		var inum = Math.floor(top/topItem);
		for(var i=5; i<=max; i++){
			var id = Videx.$( element + index + '-' + i );
			if(! id) break;
			if( i<=inum ){
				id.style.display='block';
			}
			else{
				id.style.display='none';
			}
		}
		var cnum = Math.floor(top/topChar);
		for(var j=7; j<=max; j++){
			var cid = Videx.$( element +'-char'+ index + '-' + j );
			if(! cid) break;
			if( j<=cnum ){
				cid.style.display='block';
			}
			else{
				cid.style.display='none';
			}
		}
	}
	else{
		var area = (cx*0.49) - rankHeader-20;
		var inum = Math.floor(area/underItem);
		for(var i=3; i<=max; i++){
			var id = Videx.$( element + index + '-' + i );
			if(! id) break;
			if( i<=inum ){
				id.style.display='block';
			}
			else{
				id.style.display='none';
			}
		}
	}
}
function showIndexPage(element,cx,cy,index,subindex,max){
	var par; var cr;
	if( cx > 1451 ){
		par = 8; cr = 12;
	}
	else if( cx > 1042 ){	//1280 --> 1042
		par = 12; cr = 8;
	}
	else if(cx > 786 ){		//1024 --> 786
		par = 16; cr = 6;
	}
	else{
		par = 19; cr = 5;
	}
	var cnt;
	for(var i=1; i<=max; i++){
		var id; var hr;
		if(index != ''){
			id = Videx.$( element + index +'-'+ subindex + '-' + i);
			hr = Videx.$( element + '-cr' + index +'-'+ subindex + '-' + i);
		}
		else{
			id = Videx.$( element + subindex + '-' + i);
			hr = Videx.$( element + '-cr' + subindex + '-' + i);
		}

		if(! hr) break;
		if(id ){
			id.style.width = par + '%';
		}
		if( i%cr == 0){
			hr.style.display='block';
		}
		else{
			hr.style.display='none';
		}
	}
}

function showItemMyLibrary(element,cx,cy,max){
	var par; var cr;
	if( cx > 1451 ){
		par = 19; cr = 5;
	}
	else if( cx > 1042 ){	//1280 --> 1042
		par = 24; cr = 4;
	}
	else if(cx > 786 ){		//1024 --> 786
		par = 32; cr = 3;
	}
	else{
		par = 49; cr = 2;
	}
	var cnt;
	for(var i=1; i<=max; i++){
		var id = Videx.$( element + i);
		var hr = Videx.$( element + '-cr' + i);
		if(! id) break;
		++cnt;
		id.style.width = par + '%';
		if( i%cr == 0){
			hr.style.display='block';
			cnt=0;
		}
		else{
			hr.style.display='none';
		}
	}
	for(var i=1; i<=6; i++){	// mylibrary/index.php 6
		var id = Videx.$( 'empty-item' + i );
		if( i<=(cr-cnt) ){
			id.style.display='block';
			id.style.width= par + '%';
		}
		else{
			id.style.display='none';
		}
	}

}
function showItemList(element, cx, cy, max){
	var par; var cr;
	if( cx > 1451 ){
		par = 19; cr = 5;
	}
	else if( cx > 1042 ){	//1280 --> 1042
		par = 24; cr = 4;
	}
	else if(cx > 786 ){		//1024 --> 786
		par = 32; cr = 3;
	}
	else{
		par = 49; cr = 2;
	}
	for(var i=1; i<=max; i++){
		var id = Videx.$( element + i);
		var hr = Videx.$( element + '-cr' + i);
		if(! hr) break;
		if( id ){
			id.style.width = par + '%';
		}
		if( i%cr == 0){
			hr.style.display='block';
		}
		else{
			hr.style.display='none';
		}
	}
}

function showTopItems(element, cx, cy, width, start, skip, rowcount, colcount) {	
	switch (element) {
		case 'char-item':
			cx = cx * 0.49;
			break;
		case 'ranking-item':
			cx -= 265;
			break;
		case 'recommend1-item':
		case 'recommend2-item':
		case 'recommend3-item':
		case 'recommend4-item':
		case 'recommend5-item':
		case 'recommend6-item':
		case 'recommend7-item':
		case 'recommend8-item':
			cx = cx * 0.49;
			cx -= 145; //padding-right:5px
			break;
		case 'ranking-witem':
			cx -= 265;
			break;
	}
	var vartical = true;
	var maxColumn = Math.floor(cx/width);
	var itemCount = rowcount*colcount;
	for (var i=skip; i<itemCount; i++) {
		var rowIndex = Math.floor(i/colcount);
		var colIndex = i % colcount; 
		var pindex = i + start;
		if (vartical) pindex = colIndex*rowcount + rowIndex + start;
		var item = Videx.$(element + pindex);
		if (!item) continue;
		
		if (pindex-start < maxColumn*rowcount) { 
			item.style.display = (document.all) ? 'block' : 'table-cell';
		} else {
			item.style.display = 'none';
		}
	}
}

// itemdetail rank_series
var characterDesc;
function characterDescription(event, id){
//	var mouseX = Event.pointerX(event);
//	var mouseY = Event.pointerY(event);

	var opened  = document.getElementById('character-desc' + characterDesc);
	var newopen = document.getElementById('character-desc' + id);
	if( opened  ){
		opened.style.display='none';
	}
	if(id==characterDesc){
		opened.style.display='none';
		characterDesc='';
	}
	else{
		newopen.style.display='block';
//		newopen.style.left= mouseX;
//		newopen.style.top = mouseY;
		newopen.style.left= 0;
		newopen.style.top = 0;
		characterDesc = id;
	}
}

// -------------------------------------------------
// load/save for trace
// -------------------------------------------------
function saveLastSection(sectioncd) {
	try {
		Videx.Utils.Cookie.setCookie("LASC",sectioncd,shopdomain);
		saveLastLayout(sectioncd);
	} catch (e) {}
}
function saveLastLayout(layoutid) {
	try {
		Videx.Utils.Cookie.setCookie("LAYOUT",layoutid,shopdomain);
	} catch (e) {}
}
// -------------------------------------------------
// change list style for itemlist
// -------------------------------------------------
var liststyles = new Array("listdetail","listlargeicon");
function initListStyleWrite(element) {
	var className = Videx.Utils.Cookie.getCookie(element+"-liststyle");
	if (!isValidListStyle(className)) className = liststyles[0]; // default
	document.write('<div id="'+element+'" class="'+className+'">');
}
function initListStyle(element) {
	try {
		var className = Videx.Utils.Cookie.getCookie(element+"-liststyle");
		if (!isValidListStyle(className)) className = liststyles[0]; // default
		changeListStyle(element, className);
	} catch (e) {}
}
function initListNavi(element) {
	try {
		var className = Videx.Utils.Cookie.getCookie(element+"-liststyle");
		if (!isValidListStyle(className)) className = liststyles[0]; // default
		for (var i = 0; i < liststyles.length; i++) {
			if (liststyles[i] == className) {
				Videx.Utils.addClassName(element + "-" + liststyles[i], "active");
			} else {
				Videx.Utils.removeClassName(element + "-" + liststyles[i], "active");
			}
		}
	} catch (e) {}
}
function isValidListStyle(style) {
	try {
		for (var i=0; i<liststyles.length; i++) 
			if (liststyles[i] == style) return true;
	} catch (e) {}
	return false;
}
function changeListStyle(element, className) {
	try {
		if (!isValidListStyle(className)) return;
		Videx.Utils.Cookie.setCookie(element+"-liststyle",className,shopdomain);
		Videx.$(element).className=className;
		for (var i=0; i<liststyles.length; i++) {
			if (liststyles[i]==className) {
				Videx.Utils.addClassName(element+"-"+liststyles[i],"active");
			} else {
				Videx.Utils.removeClassName(element+"-"+liststyles[i],"active");
			}
		}
		onResize(true);
	} catch (e) {}
}
// -------------------------------------------------
// change widget style for menu
// -------------------------------------------------
var widgetwinstyles = new Array("widget-open","widget-minimize");
function initWidgetWindowStyle(element) {
	try {
		var style = Videx.Utils.Cookie.getCookie("widget_"+element+"_winstyle");
		changeWidgetWindowStyle(element, style);
	} catch (e) {}
}
function toggleWidgetOpenClose(element) {
	try {
		var lastWinStyle = "";
		if (Videx.Utils.hasClassName(element,"widget-open")) {
			changeWidgetWindowStyle(element,"widget-minimize");
		} else {
			changeWidgetWindowStyle(element,"widget-open");
		}
	} catch (e) {}
}
function changeWidgetWindowStyle(element, style) {
	try {
		if (style == "widget-minimize") {
			Videx.Utils.removeClassName(element,"widget-open");
			Videx.Utils.addClassName(element,"widget-minimize");
		} else if (style == "widget-open") {
			Videx.Utils.removeClassName(element,"widget-minimize");
			Videx.Utils.addClassName(element,"widget-open");
		}
		Videx.Utils.Cookie.setCookie("widget_"+element+"_winstyle",style,shopdomain);
	} catch (e) {}
}

// -------------------------------------------------
//	for datevisible icon
// -------------------------------------------------
function inLimitedDays(start, end){
	try {
		var now = new Date().getTime();
		var s   = Date.parse(start);
		var e   = Date.parse(end);
	} catch (e) {}
	if( now >= s && now <= e ){
		start = start.replace(" .+", "");
		end    = end.replace(" .+", "");
		document.write('<span class="up-new">※無料期間限定('+ start +'～'+ end + ')</span>');
	}
}
function getDaysFromVisible(datevisible) {
	var days = -1; // TBD
	try {
		var now = new Date();
		var publish = new Date(datevisible);
		days = Math.floor((now - publish)/(3600*24*1000));
	} catch (e) {}
	return days;
}
function requireDateVisibleIcon(datevisible) {
	var days = getDaysFromVisible(datevisible);
	return requireDateVisibleIconByDays(days);
}
function requireDateVisibleIconByDays(days) {
	return (days>=0 && days<=21) ? true : false;
}
function isDateVisibleToday(datevisible) {
	var today = false;
	try {
		var n = new Date();
		var p = new Date(datevisible);
		if (n.getFullYear()==p.getFullYear() && n.getMonth()==p.getMonth() && n.getDate()==p.getDate()) {
			today = true;
		}
	} catch (e) {}
	return today;
}
function displayDateVisibleIcon(datevisible) {
	var days = getDaysFromVisible(datevisible);
	if (!requireDateVisibleIconByDays(days)) return;
	var today = false;
	if (days==0||days==1) today = isDateVisibleToday(datevisible);
	if (today) {
		document.write('<span class="up-today">本日UP!</span>');
	} else if (days<=21) { // 3 weeks
		document.write('<span class="up-new">NEW!</span>');
	}
}
// -------------------------------------------------
// DownloadButton in MyLibrary
// -------------------------------------------------
var lastPurchaseDownloadContentId;
function toggleDispDownloadButton(id) {
	// toggle open-close for target
	var curid = "purchase-download-content" + id;
	var c = Videx.$(curid);
	if (!c) return;
	if (c.style.display == 'block') c.style.display = 'none';
	else c.style.display = 'block';
	
	// close last button
	if (lastPurchaseDownloadContentId!=curid) {
		var l = Videx.$(lastPurchaseDownloadContentId);
		if (l) l.style.display = 'none';
		lastPurchaseDownloadContentId = curid;
	}
}

// -------------------------------------------------
// Widget Open-Close in SideMene
// -------------------------------------------------
function toggleMenuBarDisp( id ){
	var bar = Videx.$("menu-bar" + id);
	var inner = Videx.$("menu-inner" + id);
	if (bar && inner) {
		if (inner.style.display == "none") {
			inner.style.display = "block";
		bar.style.backgroundImage = "url(/css/img/buttons/menu_close.gif)";
	} else {
			inner.style.display = "none";
		bar.style.backgroundImage = "url(/css/img/buttons/menu_open.gif)";
	}
}
}

//
function initShopBasketUrl() {
	try {
		if (!document.getElementsByTagName) return;
		var url = location.href;
		if (!url) return;
		var matches = url.match(/ref=(\w+)/);
		if (!matches||matches.length<=0) return;
		var ref = matches[1];
		var anchors = document.getElementsByTagName("a");
		for (var i=0; i<anchors.length; i++){
			var anchor = anchors[i];
			if (anchor.getAttribute("href") && (anchor.getAttribute("rel") == "basket")) {
				anchor.setAttribute("href",anchor.getAttribute("href")+"&ref="+ref);
			}
		}
	} catch (ex) { /*alert(ex);*/ }
}

// 2008-04-22 
// set pid-history to cookie
// # don't forget to sync another site when you change this function!
function addBrowseHistory2Cookie(domain, cStr, cookiename) {
	try {
		if (!cookiename) cookiename = 'BROWSEHISTORY';
		exp = new Date();
		var ts = Math.floor(exp.getTime() / 1000);
		cStr = cStr+":"+ts;
		cookieStr=null;
		str=document.cookie+";" ;
		ofst=str.indexOf(cookiename);
		if(ofst!=-1){
			start=ofst+14;
			end=str.indexOf(";",start);
			cookieStr=unescape(str.substring(start,end));
			cookieStr=cookieStr+","+cStr;
		}
		else{cookieStr=cStr;}
		while(cookieStr.length>1024){
			len=cookieStr.length;
			pos=cookieStr.indexOf(",",0);
			cookieStr=cookieStr.substring(pos+1,len);
		}
		exp.setTime(exp.getTime()+(2592000000));
		cookieStr=cookiename+"="+escape(cookieStr)+";";
		document.cookie=cookieStr+"expires="+exp.toGMTString()+";domain="+domain+";path=/;";
	} catch (ex ){}
}

// 2008-05-14 ST
// For JSONP CALL
function jsonpCall(url, scriptTagID)
{
	var originalscriptnode = document.getElementById(scriptTagID);
	var newscriptnode = document.createElement('script');
	newscriptnode.src = url;
	newscriptnode.charset= 'utf-8';
	newscriptnode.id = scriptTagID;
	originalscriptnode.parentNode.replaceChild(newscriptnode, originalscriptnode);
}

function updateLabsNews() {
	var c = Videx.$('labs-news-list');
	if (c) {
		var htmls = [];
		htmls.push('<li>iPhone/iPod touchで作品を探せるショップサイト実験公開中!</li>');
		htmls.push('<li>新着作品のサンプル動画を簡単に視聴できるVIDEX Vodcastingを時間限定で運用中！</li>');
		htmls.push('<li>iGoogleで新着作品を確認できる新着リーダ公開中！</li>');
		c.innerHTML = htmls.join('');
	}
}

function writeTopNews(el) {
	var htmls = [];
	//htmls.push('<li>08年10月20日(午前１：００～午前６：００)&nbsp;オーエムシーカードがメンテナンスのため使用できません。ご不便をおかけいたしますがよろしくお願い申しあげます。</li>');
	//htmls.push('<li><span style="font-weight:bold">2009年。新年あけましておめでとうございます。今年もビデックスＪＰをよろしくお願いいたします</span></li>');
	for (var i=0; i<htmls.length; i++) document.write(htmls[i]);
}