/*  Prototype JavaScript framework, version 1.6.0.3
 *  (c) 2005-2008 Sam Stephenson
 *
 *  Prototype is freely distributable under the terms of an MIT-style license.
 *  For details, see the Prototype web site: http://www.prototypejs.org/
 *
 *--------------------------------------------------------------------------*/

var Prototype = {
  Version: '1.6.0.3',

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

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

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

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

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


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

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

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

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

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

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

    klass.prototype.constructor = klass;

    return klass;
  }
};

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

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

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

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

    return this;
  }
};

var Abstract = { };

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    return returnValue;
  }
};

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

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

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

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

    this.registerCallback();
  },

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    return camelized;
  },

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

var $break = { };

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Array.from = $A;

Object.extend(Array.prototype, Enumerable);

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  activeRequestCount: 0
};

Ajax.Responders = {
  responders: [],

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

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

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

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

Object.extend(Ajax.Responders, Enumerable);

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

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

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

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

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

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

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

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

    this.parameters = params;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Ajax.Request.Events =
  ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];

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

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

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

  status:      0,
  statusText: '',

  getStatus: Ajax.Request.prototype.getStatus,

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

  getHeader: Ajax.Request.prototype.getHeader,

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

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

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

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

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

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

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

    $super(url, options);
  },

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

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

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

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

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

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

    this.start();
  },

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

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

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

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

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

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

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

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

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

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

Element.cache = { };

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

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

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

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

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

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

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

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

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

    var content, insert, tagName, childNodes;

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

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

      content = Object.toHTML(content);

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

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

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

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

    return element;
  },

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    return false;
  },

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

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

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

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

    return element;
  },

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    return $(document.body);
  },

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

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

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

    } while (element = element.offsetParent);

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

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

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

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

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

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

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

Element.Methods.identify.counter = 1;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  Element._attributeTranslations.has = {};

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

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

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

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

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

    return element;
  };

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Element.Methods.ByTag = { };

Object.extend(Element, Element.Methods);

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

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

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

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

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

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

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

    element._extendedByPrototype = Prototype.emptyFunction;
    return element;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  },

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

    var e = this.expression;

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

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

    return true;
  },

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

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

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

    return true;
  },

  compileMatcher: function() {
    var e = this.expression, ps = Selector.patterns, h = Selector.handlers,
        c = Selector.criteria, le, p, m;

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

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

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

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

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

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

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

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

  findElements: function(root) {
    root = root || document;
    var e = this.expression, results;

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

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

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

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

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

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

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

    return match;
  },

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  findChildElements: function(element, expressions) {
    expressions = Selector.split(expressions.join(','));
    var results = [], h = Selector.handlers;
    for (var i = 0, l = expressions.length, selector; i < l; i++) {
      selector = new Selector(expressions[i].strip());
      h.concat(results, selector.findElements(element));
    }
    return (l > 1) ? h.unique(results) : results;
  }
});

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

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

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

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

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

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

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

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

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

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

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

    return matchingInputs;
  },

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  cache: { },

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

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

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

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

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

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

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

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

      if (currentTarget && currentTarget.tagName) {
        // Firefox screws up the "click" event when moving between radio buttons
        // via arrow keys. It also screws up the "load" and "error" events on images,
        // reporting the document as the target instead of the original image.
        if (type === 'load' || type === 'error' ||
          (type === 'click' && currentTarget.tagName.toLowerCase() === 'input'
            && currentTarget.type === 'radio'))
              node = currentTarget;
      }
      if (node.nodeType == Node.TEXT_NODE) node = node.parentNode;
      return Element.extend(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) {
      var docElement = document.documentElement,
      body = document.body || { scrollLeft: 0, scrollTop: 0 };
      return {
        x: event.pageX || (event.clientX +
          (docElement.scrollLeft || body.scrollLeft) -
          (docElement.clientLeft || 0)),
        y: event.pageY || (event.clientY +
          (docElement.scrollTop || body.scrollTop) -
          (docElement.clientTop || 0))
      };
    },

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

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

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

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

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

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

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

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

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


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

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

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

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

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

      return element;
    },

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

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

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

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

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

      destroyWrapper(id, eventName, handler);

      return element;
    },

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

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

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

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

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

Object.extend(Event, Event.Methods);

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

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

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

  var timer;

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

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

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

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

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

Hash.toQueryString = Object.toQueryString;

var Toggle = { display: Element.toggle };

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  cumulativeOffset: Element.Methods.cumulativeOffset,

  positionedOffset: Element.Methods.positionedOffset,

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

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

  realOffset: Element.Methods.cumulativeScrollOffset,

  offsetParent: Element.Methods.getOffsetParent,

  page: Element.Methods.viewportOffset,

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Element.addMethods();

//scriptaculous.js
var Scriptaculous={Version:'1.8.1',require:function(a){document.write('<script type="text/javascript" src="'+a+'"><\/script>')},REQUIRED_PROTOTYPE:'1.6.0',load:function(){function convertVersionString(a){var r=a.split('.');return parseInt(r[0])*100000+parseInt(r[1])*1000+parseInt(r[2])}if((typeof Prototype=='undefined')||(typeof Element=='undefined')||(typeof Element.Methods=='undefined')||(convertVersionString(Prototype.Version)<convertVersionString(Scriptaculous.REQUIRED_PROTOTYPE)))throw("script.aculo.us requires the Prototype JavaScript framework >= "+Scriptaculous.REQUIRED_PROTOTYPE);var d=/(proto|scripta)culous[a-z0-9._-]*\.js(\?.*)?$/;$A(document.getElementsByTagName("script")).findAll(function(s){return(s.src&&s.src.match(d))}).each(function(s){var b=s.src.replace(d,'');var c=(s.src.match(/\?.*load=([a-z,]*)/)||['',''])[1];c.split(',').without('').each(function(a){Scriptaculous.require(b+a+'.js')})})}};
//builder.js
var Builder={NODEMAP:{AREA:'map',CAPTION:'table',COL:'table',COLGROUP:'table',LEGEND:'fieldset',OPTGROUP:'select',OPTION:'select',PARAM:'object',TBODY:'table',TD:'table',TFOOT:'table',TH:'table',THEAD:'table',TR:'table'},node:function(a){a=a.toUpperCase();var b=this.NODEMAP[a]||'div';var c=document.createElement(b);try{c.innerHTML="<"+a+"></"+a+">"}catch(e){}var d=c.firstChild||null;if(d&&(d.tagName.toUpperCase()!=a))d=d.getElementsByTagName(a)[0];if(!d)d=document.createElement(a);if(!d)return;if(arguments[1])if(this._isStringOrNumber(arguments[1])||(arguments[1]instanceof Array)||arguments[1].tagName){this._children(d,arguments[1])}else{var f=this._attributes(arguments[1]);if(f.length){try{c.innerHTML="<"+a+" "+f+"></"+a+">"}catch(e){}d=c.firstChild||null;if(!d){d=document.createElement(a);for(attr in arguments[1])d[attr=='class'?'className':attr]=arguments[1][attr]}if(d.tagName.toUpperCase()!=a)d=c.getElementsByTagName(a)[0]}}if(arguments[2])this._children(d,arguments[2]);return d},_text:function(a){return document.createTextNode(a)},ATTR_MAP:{'className':'class','htmlFor':'for'},_attributes:function(a){var b=[];for(attribute in a)b.push((attribute in this.ATTR_MAP?this.ATTR_MAP[attribute]:attribute)+'="'+a[attribute].toString().escapeHTML().gsub(/"/,'&quot;')+'"');return b.join(" ")},_children:function(a,b){if(b.tagName){a.appendChild(b);return}if(typeof b=='object'){b.flatten().each(function(e){if(typeof e=='object')a.appendChild(e);else if(Builder._isStringOrNumber(e))a.appendChild(Builder._text(e))})}else if(Builder._isStringOrNumber(b))a.appendChild(Builder._text(b))},_isStringOrNumber:function(a){return(typeof a=='string'||typeof a=='number')},build:function(a){var b=this.node('div');$(b).update(a.strip());return b.down()},dump:function(b){if(typeof b!='object'&&typeof b!='function')b=window;var c=("A ABBR ACRONYM ADDRESS APPLET AREA B BASE BASEFONT BDO BIG BLOCKQUOTE BODY "+"BR BUTTON CAPTION CENTER CITE CODE COL COLGROUP DD DEL DFN DIR DIV DL DT EM FIELDSET "+"FONT FORM FRAME FRAMESET H1 H2 H3 H4 H5 H6 HEAD HR HTML I IFRAME IMG INPUT INS ISINDEX "+"KBD LABEL LEGEND LI LINK MAP MENU META NOFRAMES NOSCRIPT OBJECT OL OPTGROUP OPTION P "+"PARAM PRE Q S SAMP SCRIPT SELECT SMALL SPAN STRIKE STRONG STYLE SUB SUP TABLE TBODY TD "+"TEXTAREA TFOOT TH THEAD TITLE TR TT U UL VAR").split(/\s+/);c.each(function(a){b[a]=function(){return Builder.node.apply(Builder,[a].concat($A(arguments)))}})}};
//effects.js
String.prototype.parseColor=function(){var a='#';if(this.slice(0,4)=='rgb('){var b=this.slice(4,this.length-1).split(',');var i=0;do{a+=parseInt(b[i]).toColorPart()}while(++i<3)}else{if(this.slice(0,1)=='#'){if(this.length==4)for(var i=1;i<4;i++)a+=(this.charAt(i)+this.charAt(i)).toLowerCase();if(this.length==7)a=this.toLowerCase()}}return(a.length==7?a:(arguments[0]||this))};Element.collectTextNodes=function(b){return $A($(b).childNodes).collect(function(a){return(a.nodeType==3?a.nodeValue:(a.hasChildNodes()?Element.collectTextNodes(a):''))}).flatten().join('')};Element.collectTextNodesIgnoreClass=function(b,c){return $A($(b).childNodes).collect(function(a){return(a.nodeType==3?a.nodeValue:((a.hasChildNodes()&&!Element.hasClassName(a,c))?Element.collectTextNodesIgnoreClass(a,c):''))}).flatten().join('')};Element.setContentZoom=function(a,b){a=$(a);a.setStyle({fontSize:(b/100)+'em'});if(Prototype.Browser.WebKit)window.scrollBy(0,0);return a};Element.getInlineOpacity=function(a){return $(a).style.opacity||''};Element.forceRerendering=function(a){try{a=$(a);var n=document.createTextNode(' ');a.appendChild(n);a.removeChild(n)}catch(e){}};var Effect={_elementDoesNotExistError:{name:'ElementDoesNotExistError',message:'The specified DOM element does not exist, but is required for this effect to operate'},Transitions:{linear:Prototype.K,sinoidal:function(a){return(-Math.cos(a*Math.PI)/2)+0.5},reverse:function(a){return 1-a},flicker:function(a){var a=((-Math.cos(a*Math.PI)/4)+0.75)+Math.random()/4;return a>1?1:a},wobble:function(a){return(-Math.cos(a*Math.PI*(9*a))/2)+0.5},pulse:function(a,b){b=b||5;return(((a%(1/b))*b).round()==0?((a*b*2)-(a*b*2).floor()):1-((a*b*2)-(a*b*2).floor()))},spring:function(a){return 1-(Math.cos(a*4.5*Math.PI)*Math.exp(-a*6))},none:function(a){return 0},full:function(a){return 1}},DefaultOptions:{duration:1.0,fps:100,sync:false,from:0.0,to:1.0,delay:0.0,queue:'parallel'},tagifyText:function(c){var d='position:relative';if(Prototype.Browser.IE)d+=';zoom:1';c=$(c);$A(c.childNodes).each(function(b){if(b.nodeType==3){b.nodeValue.toArray().each(function(a){c.insertBefore(new Element('span',{style:d}).update(a==' '?String.fromCharCode(160):a),b)});Element.remove(b)}})},multiple:function(c,d){var e;if(((typeof c=='object')||Object.isFunction(c))&&(c.length))e=c;else e=$(c).childNodes;var f=Object.extend({speed:0.1,delay:0.0},arguments[2]||{});var g=f.delay;$A(e).each(function(a,b){new d(a,Object.extend(f,{delay:b*f.speed+g}))})},PAIRS:{'slide':['SlideDown','SlideUp'],'blind':['BlindDown','BlindUp'],'appear':['Appear','Fade']},toggle:function(a,b){a=$(a);b=(b||'appear').toLowerCase();var c=Object.extend({queue:{position:'end',scope:(a.id||'global'),limit:1}},arguments[2]||{});Effect[a.visible()?Effect.PAIRS[b][1]:Effect.PAIRS[b][0]](a,c)}};Effect.DefaultOptions.transition=Effect.Transitions.sinoidal;Effect.ScopedQueue=Class.create(Enumerable,{initialize:function(){this.effects=[];this.interval=null},_each:function(a){this.effects._each(a)},add:function(a){var b=new Date().getTime();var c=Object.isString(a.options.queue)?a.options.queue:a.options.queue.position;switch(c){case'front':this.effects.findAll(function(e){return e.state=='idle'}).each(function(e){e.startOn+=a.finishOn;e.finishOn+=a.finishOn});break;case'with-last':b=this.effects.pluck('startOn').max()||b;break;case'end':b=this.effects.pluck('finishOn').max()||b;break}a.startOn+=b;a.finishOn+=b;if(!a.options.queue.limit||(this.effects.length<a.options.queue.limit))this.effects.push(a);if(!this.interval)this.interval=setInterval(this.loop.bind(this),15)},remove:function(a){this.effects=this.effects.reject(function(e){return e==a});if(this.effects.length==0){clearInterval(this.interval);this.interval=null}},loop:function(){var a=new Date().getTime();for(var i=0,len=this.effects.length;i<len;i++)this.effects[i]&&this.effects[i].loop(a)}});Effect.Queues={instances:$H(),get:function(a){if(!Object.isString(a))return a;return this.instances.get(a)||this.instances.set(a,new Effect.ScopedQueue())}};Effect.Queue=Effect.Queues.get('global');Effect.Base=Class.create({position:null,start:function(c){function codeForEvent(a,b){return((a[b+'Internal']?'this.options.'+b+'Internal(this);':'')+(a[b]?'this.options.'+b+'(this);':''))}if(c&&c.transition===false)c.transition=Effect.Transitions.linear;this.options=Object.extend(Object.extend({},Effect.DefaultOptions),c||{});this.currentFrame=0;this.state='idle';this.startOn=this.options.delay*1000;this.finishOn=this.startOn+(this.options.duration*1000);this.fromToDelta=this.options.to-this.options.from;this.totalTime=this.finishOn-this.startOn;this.totalFrames=this.options.fps*this.options.duration;eval('this.render = function(pos){ '+'if (this.state=="idle"){this.state="running";'+codeForEvent(this.options,'beforeSetup')+(this.setup?'this.setup();':'')+codeForEvent(this.options,'afterSetup')+'};if (this.state=="running"){'+'pos=this.options.transition(pos)*'+this.fromToDelta+'+'+this.options.from+';'+'this.position=pos;'+codeForEvent(this.options,'beforeUpdate')+(this.update?'this.update(pos);':'')+codeForEvent(this.options,'afterUpdate')+'}}');this.event('beforeStart');if(!this.options.sync)Effect.Queues.get(Object.isString(this.options.queue)?'global':this.options.queue.scope).add(this)},loop:function(a){if(a>=this.startOn){if(a>=this.finishOn){this.render(1.0);this.cancel();this.event('beforeFinish');if(this.finish)this.finish();this.event('afterFinish');return}var b=(a-this.startOn)/this.totalTime,frame=(b*this.totalFrames).round();if(frame>this.currentFrame){this.render(b);this.currentFrame=frame}}},cancel:function(){if(!this.options.sync)Effect.Queues.get(Object.isString(this.options.queue)?'global':this.options.queue.scope).remove(this);this.state='finished'},event:function(a){if(this.options[a+'Internal'])this.options[a+'Internal'](this);if(this.options[a])this.options[a](this)},inspect:function(){var a=$H();for(property in this)if(!Object.isFunction(this[property]))a.set(property,this[property]);return'#<Effect:'+a.inspect()+',options:'+$H(this.options).inspect()+'>'}});Effect.Parallel=Class.create(Effect.Base,{initialize:function(a){this.effects=a||[];this.start(arguments[1])},update:function(a){this.effects.invoke('render',a)},finish:function(b){this.effects.each(function(a){a.render(1.0);a.cancel();a.event('beforeFinish');if(a.finish)a.finish(b);a.event('afterFinish')})}});Effect.Tween=Class.create(Effect.Base,{initialize:function(b,c,d){b=Object.isString(b)?$(b):b;var e=$A(arguments),method=e.last(),options=e.length==5?e[3]:null;this.method=Object.isFunction(method)?method.bind(b):Object.isFunction(b[method])?b[method].bind(b):function(a){b[method]=a};this.start(Object.extend({from:c,to:d},options||{}))},update:function(a){this.method(a)}});Effect.Event=Class.create(Effect.Base,{initialize:function(){this.start(Object.extend({duration:0},arguments[0]||{}))},update:Prototype.emptyFunction});Effect.Opacity=Class.create(Effect.Base,{initialize:function(a){this.element=$(a);if(!this.element)throw(Effect._elementDoesNotExistError);if(Prototype.Browser.IE&&(!this.element.currentStyle.hasLayout))this.element.setStyle({zoom:1});var b=Object.extend({from:this.element.getOpacity()||0.0,to:1.0},arguments[1]||{});this.start(b)},update:function(a){this.element.setOpacity(a)}});Effect.Move=Class.create(Effect.Base,{initialize:function(a){this.element=$(a);if(!this.element)throw(Effect._elementDoesNotExistError);var b=Object.extend({x:0,y:0,mode:'relative'},arguments[1]||{});this.start(b)},setup:function(){this.element.makePositioned();this.originalLeft=parseFloat(this.element.getStyle('left')||'0');this.originalTop=parseFloat(this.element.getStyle('top')||'0');if(this.options.mode=='absolute'){this.options.x=this.options.x-this.originalLeft;this.options.y=this.options.y-this.originalTop}},update:function(a){this.element.setStyle({left:(this.options.x*a+this.originalLeft).round()+'px',top:(this.options.y*a+this.originalTop).round()+'px'})}});Effect.MoveBy=function(a,b,c){return new Effect.Move(a,Object.extend({x:c,y:b},arguments[3]||{}))};Effect.Scale=Class.create(Effect.Base,{initialize:function(a,b){this.element=$(a);if(!this.element)throw(Effect._elementDoesNotExistError);var c=Object.extend({scaleX:true,scaleY:true,scaleContent:true,scaleFromCenter:false,scaleMode:'box',scaleFrom:100.0,scaleTo:b},arguments[2]||{});this.start(c)},setup:function(){this.restoreAfterFinish=this.options.restoreAfterFinish||false;this.elementPositioning=this.element.getStyle('position');this.originalStyle={};['top','left','width','height','fontSize'].each(function(k){this.originalStyle[k]=this.element.style[k]}.bind(this));this.originalTop=this.element.offsetTop;this.originalLeft=this.element.offsetLeft;var b=this.element.getStyle('font-size')||'100%';['em','px','%','pt'].each(function(a){if(b.indexOf(a)>0){this.fontSize=parseFloat(b);this.fontSizeType=a}}.bind(this));this.factor=(this.options.scaleTo-this.options.scaleFrom)/100;this.dims=null;if(this.options.scaleMode=='box')this.dims=[this.element.offsetHeight,this.element.offsetWidth];if(/^content/.test(this.options.scaleMode))this.dims=[this.element.scrollHeight,this.element.scrollWidth];if(!this.dims)this.dims=[this.options.scaleMode.originalHeight,this.options.scaleMode.originalWidth]},update:function(a){var b=(this.options.scaleFrom/100.0)+(this.factor*a);if(this.options.scaleContent&&this.fontSize)this.element.setStyle({fontSize:this.fontSize*b+this.fontSizeType});this.setDimensions(this.dims[0]*b,this.dims[1]*b)},finish:function(a){if(this.restoreAfterFinish)this.element.setStyle(this.originalStyle)},setDimensions:function(a,b){var d={};if(this.options.scaleX)d.width=b.round()+'px';if(this.options.scaleY)d.height=a.round()+'px';if(this.options.scaleFromCenter){var c=(a-this.dims[0])/2;var e=(b-this.dims[1])/2;if(this.elementPositioning=='absolute'){if(this.options.scaleY)d.top=this.originalTop-c+'px';if(this.options.scaleX)d.left=this.originalLeft-e+'px'}else{if(this.options.scaleY)d.top=-c+'px';if(this.options.scaleX)d.left=-e+'px'}}this.element.setStyle(d)}});Effect.Highlight=Class.create(Effect.Base,{initialize:function(a){this.element=$(a);if(!this.element)throw(Effect._elementDoesNotExistError);var b=Object.extend({startcolor:'#ffff99'},arguments[1]||{});this.start(b)},setup:function(){if(this.element.getStyle('display')=='none'){this.cancel();return}this.oldStyle={};if(!this.options.keepBackgroundImage){this.oldStyle.backgroundImage=this.element.getStyle('background-image');this.element.setStyle({backgroundImage:'none'})}if(!this.options.endcolor)this.options.endcolor=this.element.getStyle('background-color').parseColor('#ffffff');if(!this.options.restorecolor)this.options.restorecolor=this.element.getStyle('background-color');this._base=$R(0,2).map(function(i){return parseInt(this.options.startcolor.slice(i*2+1,i*2+3),16)}.bind(this));this._delta=$R(0,2).map(function(i){return parseInt(this.options.endcolor.slice(i*2+1,i*2+3),16)-this._base[i]}.bind(this))},update:function(a){this.element.setStyle({backgroundColor:$R(0,2).inject('#',function(m,v,i){return m+((this._base[i]+(this._delta[i]*a)).round().toColorPart())}.bind(this))})},finish:function(){this.element.setStyle(Object.extend(this.oldStyle,{backgroundColor:this.options.restorecolor}))}});Effect.ScrollTo=function(a){var b=arguments[1]||{},scrollOffsets=document.viewport.getScrollOffsets(),elementOffsets=$(a).cumulativeOffset(),max=document.viewport.getScrollOffsets[0]-document.viewport.getHeight();if(b.offset)elementOffsets[1]+=b.offset;return new Effect.Tween(null,scrollOffsets.top,elementOffsets[1]>max?max:elementOffsets[1],b,function(p){scrollTo(scrollOffsets.left,p.round())})};Effect.Fade=function(b){b=$(b);var c=b.getInlineOpacity();var d=Object.extend({from:b.getOpacity()||1.0,to:0.0,afterFinishInternal:function(a){if(a.options.to!=0)return;a.element.hide().setStyle({opacity:c})}},arguments[1]||{});return new Effect.Opacity(b,d)};Effect.Appear=function(b){b=$(b);var c=Object.extend({from:(b.getStyle('display')=='none'?0.0:b.getOpacity()||0.0),to:1.0,afterFinishInternal:function(a){a.element.forceRerendering()},beforeSetup:function(a){a.element.setOpacity(a.options.from).show()}},arguments[1]||{});return new Effect.Opacity(b,c)};Effect.Puff=function(b){b=$(b);var c={opacity:b.getInlineOpacity(),position:b.getStyle('position'),top:b.style.top,left:b.style.left,width:b.style.width,height:b.style.height};return new Effect.Parallel([new Effect.Scale(b,200,{sync:true,scaleFromCenter:true,scaleContent:true,restoreAfterFinish:true}),new Effect.Opacity(b,{sync:true,to:0.0})],Object.extend({duration:1.0,beforeSetupInternal:function(a){Position.absolutize(a.effects[0].element)},afterFinishInternal:function(a){a.effects[0].element.hide().setStyle(c)}},arguments[1]||{}))};Effect.BlindUp=function(b){b=$(b);b.makeClipping();return new Effect.Scale(b,0,Object.extend({scaleContent:false,scaleX:false,restoreAfterFinish:true,afterFinishInternal:function(a){a.element.hide().undoClipping()}},arguments[1]||{}))};Effect.BlindDown=function(b){b=$(b);var c=b.getDimensions();return new Effect.Scale(b,100,Object.extend({scaleContent:false,scaleX:false,scaleFrom:0,scaleMode:{originalHeight:c.height,originalWidth:c.width},restoreAfterFinish:true,afterSetup:function(a){a.element.makeClipping().setStyle({height:'0px'}).show()},afterFinishInternal:function(a){a.element.undoClipping()}},arguments[1]||{}))};Effect.SwitchOff=function(c){c=$(c);var d=c.getInlineOpacity();return new Effect.Appear(c,Object.extend({duration:0.4,from:0,transition:Effect.Transitions.flicker,afterFinishInternal:function(b){new Effect.Scale(b.element,1,{duration:0.3,scaleFromCenter:true,scaleX:false,scaleContent:false,restoreAfterFinish:true,beforeSetup:function(a){a.element.makePositioned().makeClipping()},afterFinishInternal:function(a){a.element.hide().undoClipping().undoPositioned().setStyle({opacity:d})}})}},arguments[1]||{}))};Effect.DropOut=function(b){b=$(b);var c={top:b.getStyle('top'),left:b.getStyle('left'),opacity:b.getInlineOpacity()};return new Effect.Parallel([new Effect.Move(b,{x:0,y:100,sync:true}),new Effect.Opacity(b,{sync:true,to:0.0})],Object.extend({duration:0.5,beforeSetup:function(a){a.effects[0].element.makePositioned()},afterFinishInternal:function(a){a.effects[0].element.hide().undoPositioned().setStyle(c)}},arguments[1]||{}))};Effect.Shake=function(g){g=$(g);var h=Object.extend({distance:20,duration:0.5},arguments[1]||{});var i=parseFloat(h.distance);var j=parseFloat(h.duration)/10.0;var k={top:g.getStyle('top'),left:g.getStyle('left')};return new Effect.Move(g,{x:i,y:0,duration:j,afterFinishInternal:function(f){new Effect.Move(f.element,{x:-i*2,y:0,duration:j*2,afterFinishInternal:function(e){new Effect.Move(e.element,{x:i*2,y:0,duration:j*2,afterFinishInternal:function(d){new Effect.Move(d.element,{x:-i*2,y:0,duration:j*2,afterFinishInternal:function(c){new Effect.Move(c.element,{x:i*2,y:0,duration:j*2,afterFinishInternal:function(b){new Effect.Move(b.element,{x:-i,y:0,duration:j,afterFinishInternal:function(a){a.element.undoPositioned().setStyle(k)}})}})}})}})}})}})};Effect.SlideDown=function(b){b=$(b).cleanWhitespace();var c=b.down().getStyle('bottom');var d=b.getDimensions();return new Effect.Scale(b,100,Object.extend({scaleContent:false,scaleX:false,scaleFrom:window.opera?0:1,scaleMode:{originalHeight:d.height,originalWidth:d.width},restoreAfterFinish:true,afterSetup:function(a){a.element.makePositioned();a.element.down().makePositioned();if(window.opera)a.element.setStyle({top:''});a.element.makeClipping().setStyle({height:'0px'}).show()},afterUpdateInternal:function(a){a.element.down().setStyle({bottom:(a.dims[0]-a.element.clientHeight)+'px'})},afterFinishInternal:function(a){a.element.undoClipping().undoPositioned();a.element.down().undoPositioned().setStyle({bottom:c})}},arguments[1]||{}))};Effect.SlideUp=function(b){b=$(b).cleanWhitespace();var c=b.down().getStyle('bottom');var d=b.getDimensions();return new Effect.Scale(b,window.opera?0:1,Object.extend({scaleContent:false,scaleX:false,scaleMode:'box',scaleFrom:100,scaleMode:{originalHeight:d.height,originalWidth:d.width},restoreAfterFinish:true,afterSetup:function(a){a.element.makePositioned();a.element.down().makePositioned();if(window.opera)a.element.setStyle({top:''});a.element.makeClipping().show()},afterUpdateInternal:function(a){a.element.down().setStyle({bottom:(a.dims[0]-a.element.clientHeight)+'px'})},afterFinishInternal:function(a){a.element.hide().undoClipping().undoPositioned();a.element.down().undoPositioned().setStyle({bottom:c})}},arguments[1]||{}))};Effect.Squish=function(b){return new Effect.Scale(b,window.opera?1:0,{restoreAfterFinish:true,beforeSetup:function(a){a.element.makeClipping()},afterFinishInternal:function(a){a.element.hide().undoClipping()}})};Effect.Grow=function(c){c=$(c);var d=Object.extend({direction:'center',moveTransition:Effect.Transitions.sinoidal,scaleTransition:Effect.Transitions.sinoidal,opacityTransition:Effect.Transitions.full},arguments[1]||{});var e={top:c.style.top,left:c.style.left,height:c.style.height,width:c.style.width,opacity:c.getInlineOpacity()};var f=c.getDimensions();var g,initialMoveY;var h,moveY;switch(d.direction){case'top-left':g=initialMoveY=h=moveY=0;break;case'top-right':g=f.width;initialMoveY=moveY=0;h=-f.width;break;case'bottom-left':g=h=0;initialMoveY=f.height;moveY=-f.height;break;case'bottom-right':g=f.width;initialMoveY=f.height;h=-f.width;moveY=-f.height;break;case'center':g=f.width/2;initialMoveY=f.height/2;h=-f.width/2;moveY=-f.height/2;break}return new Effect.Move(c,{x:g,y:initialMoveY,duration:0.01,beforeSetup:function(a){a.element.hide().makeClipping().makePositioned()},afterFinishInternal:function(b){new Effect.Parallel([new Effect.Opacity(b.element,{sync:true,to:1.0,from:0.0,transition:d.opacityTransition}),new Effect.Move(b.element,{x:h,y:moveY,sync:true,transition:d.moveTransition}),new Effect.Scale(b.element,100,{scaleMode:{originalHeight:f.height,originalWidth:f.width},sync:true,scaleFrom:window.opera?1:0,transition:d.scaleTransition,restoreAfterFinish:true})],Object.extend({beforeSetup:function(a){a.effects[0].element.setStyle({height:'0px'}).show()},afterFinishInternal:function(a){a.effects[0].element.undoClipping().undoPositioned().setStyle(e)}},d))}})};Effect.Shrink=function(b){b=$(b);var c=Object.extend({direction:'center',moveTransition:Effect.Transitions.sinoidal,scaleTransition:Effect.Transitions.sinoidal,opacityTransition:Effect.Transitions.none},arguments[1]||{});var d={top:b.style.top,left:b.style.left,height:b.style.height,width:b.style.width,opacity:b.getInlineOpacity()};var e=b.getDimensions();var f,moveY;switch(c.direction){case'top-left':f=moveY=0;break;case'top-right':f=e.width;moveY=0;break;case'bottom-left':f=0;moveY=e.height;break;case'bottom-right':f=e.width;moveY=e.height;break;case'center':f=e.width/2;moveY=e.height/2;break}return new Effect.Parallel([new Effect.Opacity(b,{sync:true,to:0.0,from:1.0,transition:c.opacityTransition}),new Effect.Scale(b,window.opera?1:0,{sync:true,transition:c.scaleTransition,restoreAfterFinish:true}),new Effect.Move(b,{x:f,y:moveY,sync:true,transition:c.moveTransition})],Object.extend({beforeStartInternal:function(a){a.effects[0].element.makePositioned().makeClipping()},afterFinishInternal:function(a){a.effects[0].element.hide().undoClipping().undoPositioned().setStyle(d)}},c))};Effect.Pulsate=function(b){b=$(b);var c=arguments[1]||{};var d=b.getInlineOpacity();var e=c.transition||Effect.Transitions.sinoidal;var f=function(a){return e(1-Effect.Transitions.pulse(a,c.pulses))};f.bind(e);return new Effect.Opacity(b,Object.extend(Object.extend({duration:2.0,from:0,afterFinishInternal:function(a){a.element.setStyle({opacity:d})}},c),{transition:f}))};Effect.Fold=function(c){c=$(c);var d={top:c.style.top,left:c.style.left,width:c.style.width,height:c.style.height};c.makeClipping();return new Effect.Scale(c,5,Object.extend({scaleContent:false,scaleX:false,afterFinishInternal:function(b){new Effect.Scale(c,1,{scaleContent:false,scaleY:false,afterFinishInternal:function(a){a.element.hide().undoClipping().setStyle(d)}})}},arguments[1]||{}))};Effect.Morph=Class.create(Effect.Base,{initialize:function(c){this.element=$(c);if(!this.element)throw(Effect._elementDoesNotExistError);var d=Object.extend({style:{}},arguments[1]||{});if(!Object.isString(d.style))this.style=$H(d.style);else{if(d.style.include(':'))this.style=d.style.parseStyle();else{this.element.addClassName(d.style);this.style=$H(this.element.getStyles());this.element.removeClassName(d.style);var e=this.element.getStyles();this.style=this.style.reject(function(a){return a.value==e[a.key]});d.afterFinishInternal=function(b){b.element.addClassName(b.options.style);b.transforms.each(function(a){b.element.style[a.style]=''})}}}this.start(d)},setup:function(){function parseColor(a){if(!a||['rgba(0, 0, 0, 0)','transparent'].include(a))a='#ffffff';a=a.parseColor();return $R(0,2).map(function(i){return parseInt(a.slice(i*2+1,i*2+3),16)})}this.transforms=this.style.map(function(a){var b=a[0],value=a[1],unit=null;if(value.parseColor('#zzzzzz')!='#zzzzzz'){value=value.parseColor();unit='color'}else if(b=='opacity'){value=parseFloat(value);if(Prototype.Browser.IE&&(!this.element.currentStyle.hasLayout))this.element.setStyle({zoom:1})}else if(Element.CSS_LENGTH.test(value)){var c=value.match(/^([\+\-]?[0-9\.]+)(.*)$/);value=parseFloat(c[1]);unit=(c.length==3)?c[2]:null}var d=this.element.getStyle(b);return{style:b.camelize(),originalValue:unit=='color'?parseColor(d):parseFloat(d||0),targetValue:unit=='color'?parseColor(value):value,unit:unit}}.bind(this)).reject(function(a){return((a.originalValue==a.targetValue)||(a.unit!='color'&&(isNaN(a.originalValue)||isNaN(a.targetValue))))})},update:function(a){var b={},transform,i=this.transforms.length;while(i--)b[(transform=this.transforms[i]).style]=transform.unit=='color'?'#'+(Math.round(transform.originalValue[0]+(transform.targetValue[0]-transform.originalValue[0])*a)).toColorPart()+(Math.round(transform.originalValue[1]+(transform.targetValue[1]-transform.originalValue[1])*a)).toColorPart()+(Math.round(transform.originalValue[2]+(transform.targetValue[2]-transform.originalValue[2])*a)).toColorPart():(transform.originalValue+(transform.targetValue-transform.originalValue)*a).toFixed(3)+(transform.unit===null?'':transform.unit);this.element.setStyle(b,true)}});Effect.Transform=Class.create({initialize:function(a){this.tracks=[];this.options=arguments[1]||{};this.addTracks(a)},addTracks:function(c){c.each(function(a){a=$H(a);var b=a.values().first();this.tracks.push($H({ids:a.keys().first(),effect:Effect.Morph,options:{style:b}}))}.bind(this));return this},play:function(){return new Effect.Parallel(this.tracks.map(function(a){var b=a.get('ids'),effect=a.get('effect'),options=a.get('options');var c=[$(b)||$$(b)].flatten();return c.map(function(e){return new effect(e,Object.extend({sync:true},options))})}).flatten(),this.options)}});Element.CSS_PROPERTIES=$w('backgroundColor backgroundPosition borderBottomColor borderBottomStyle '+'borderBottomWidth borderLeftColor borderLeftStyle borderLeftWidth '+'borderRightColor borderRightStyle borderRightWidth borderSpacing '+'borderTopColor borderTopStyle borderTopWidth bottom clip color '+'fontSize fontWeight height left letterSpacing lineHeight '+'marginBottom marginLeft marginRight marginTop markerOffset maxHeight '+'maxWidth minHeight minWidth opacity outlineColor outlineOffset '+'outlineWidth paddingBottom paddingLeft paddingRight paddingTop '+'right textIndent top width wordSpacing zIndex');Element.CSS_LENGTH=/^(([\+\-]?[0-9\.]+)(em|ex|px|in|cm|mm|pt|pc|\%))|0$/;String.__parseStyleElement=document.createElement('div');String.prototype.parseStyle=function(){var b,styleRules=$H();if(Prototype.Browser.WebKit)b=new Element('div',{style:this}).style;else{String.__parseStyleElement.innerHTML='<div style="'+this+'"></div>';b=String.__parseStyleElement.childNodes[0].style}Element.CSS_PROPERTIES.each(function(a){if(b[a])styleRules.set(a,b[a])});if(Prototype.Browser.IE&&this.include('opacity'))styleRules.set('opacity',this.match(/opacity:\s*((?:0|1)?(?:\.\d*)?)/)[1]);return styleRules};if(document.defaultView&&document.defaultView.getComputedStyle){Element.getStyles=function(c){var d=document.defaultView.getComputedStyle($(c),null);return Element.CSS_PROPERTIES.inject({},function(a,b){a[b]=d[b];return a})}}else{Element.getStyles=function(c){c=$(c);var d=c.currentStyle,styles;styles=Element.CSS_PROPERTIES.inject({},function(a,b){a[b]=d[b];return a});if(!styles.opacity)styles.opacity=c.getOpacity();return styles}}Effect.Methods={morph:function(a,b){a=$(a);new Effect.Morph(a,Object.extend({style:b},arguments[2]||{}));return a},visualEffect:function(a,b,c){a=$(a);var s=b.dasherize().camelize(),klass=s.charAt(0).toUpperCase()+s.substring(1);new Effect[klass](a,c);return a},highlight:function(a,b){a=$(a);new Effect.Highlight(a,b);return a}};$w('fade appear grow shrink fold blindUp blindDown slideUp slideDown '+'pulsate shake puff squish switchOff dropOut').each(function(c){Effect.Methods[c]=function(a,b){a=$(a);Effect[c.charAt(0).toUpperCase()+c.substring(1)](a,b);return a}});$w('getInlineOpacity forceRerendering setContentZoom collectTextNodes collectTextNodesIgnoreClass getStyles').each(function(f){Effect.Methods[f]=Element[f]});Element.addMethods(Effect.Methods);
//dragdrop.js
if(Object.isUndefined(Effect))throw("dragdrop.js requires including script.aculo.us' effects.js library");var Droppables={drops:[],remove:function(a){this.drops=this.drops.reject(function(d){return d.element==$(a)})},add:function(a){a=$(a);var b=Object.extend({greedy:true,hoverclass:null,tree:false},arguments[1]||{});if(b.containment){b._containers=[];var d=b.containment;if(Object.isArray(d)){d.each(function(c){b._containers.push($(c))})}else{b._containers.push($(d))}}if(b.accept)b.accept=[b.accept].flatten();Element.makePositioned(a);b.element=a;this.drops.push(b)},findDeepestChild:function(a){deepest=a[0];for(i=1;i<a.length;++i)if(Element.isParent(a[i].element,deepest.element))deepest=a[i];return deepest},isContained:function(a,b){var d;if(b.tree){d=a.treeNode}else{d=a.parentNode}return b._containers.detect(function(c){return d==c})},isAffected:function(a,b,c){return((c.element!=b)&&((!c._containers)||this.isContained(b,c))&&((!c.accept)||(Element.classNames(b).detect(function(v){return c.accept.include(v)})))&&Position.within(c.element,a[0],a[1]))},deactivate:function(a){if(a.hoverclass)Element.removeClassName(a.element,a.hoverclass);this.last_active=null},activate:function(a){if(a.hoverclass)Element.addClassName(a.element,a.hoverclass);this.last_active=a},show:function(b,c){if(!this.drops.length)return;var d,affected=[];this.drops.each(function(a){if(Droppables.isAffected(b,c,a))affected.push(a)});if(affected.length>0)d=Droppables.findDeepestChild(affected);if(this.last_active&&this.last_active!=d)this.deactivate(this.last_active);if(d){Position.within(d.element,b[0],b[1]);if(d.onHover)d.onHover(c,d.element,Position.overlap(d.overlap,d.element));if(d!=this.last_active)Droppables.activate(d)}},fire:function(a,b){if(!this.last_active)return;Position.prepare();if(this.isAffected([Event.pointerX(a),Event.pointerY(a)],b,this.last_active))if(this.last_active.onDrop){this.last_active.onDrop(b,this.last_active.element,a);return true}},reset:function(){if(this.last_active)this.deactivate(this.last_active)}};var Draggables={drags:[],observers:[],register:function(a){if(this.drags.length==0){this.eventMouseUp=this.endDrag.bindAsEventListener(this);this.eventMouseMove=this.updateDrag.bindAsEventListener(this);this.eventKeypress=this.keyPress.bindAsEventListener(this);Event.observe(document,"mouseup",this.eventMouseUp);Event.observe(document,"mousemove",this.eventMouseMove);Event.observe(document,"keypress",this.eventKeypress)}this.drags.push(a)},unregister:function(a){this.drags=this.drags.reject(function(d){return d==a});if(this.drags.length==0){Event.stopObserving(document,"mouseup",this.eventMouseUp);Event.stopObserving(document,"mousemove",this.eventMouseMove);Event.stopObserving(document,"keypress",this.eventKeypress)}},activate:function(a){if(a.options.delay){this._timeout=setTimeout(function(){Draggables._timeout=null;window.focus();Draggables.activeDraggable=a}.bind(this),a.options.delay)}else{window.focus();this.activeDraggable=a}},deactivate:function(){this.activeDraggable=null},updateDrag:function(a){if(!this.activeDraggable)return;var b=[Event.pointerX(a),Event.pointerY(a)];if(this._lastPointer&&(this._lastPointer.inspect()==b.inspect()))return;this._lastPointer=b;this.activeDraggable.updateDrag(a,b)},endDrag:function(a){if(this._timeout){clearTimeout(this._timeout);this._timeout=null}if(!this.activeDraggable)return;this._lastPointer=null;this.activeDraggable.endDrag(a);this.activeDraggable=null},keyPress:function(a){if(this.activeDraggable)this.activeDraggable.keyPress(a)},addObserver:function(a){this.observers.push(a);this._cacheObserverCallbacks()},removeObserver:function(a){this.observers=this.observers.reject(function(o){return o.element==a});this._cacheObserverCallbacks()},notify:function(a,b,c){if(this[a+'Count']>0)this.observers.each(function(o){if(o[a])o[a](a,b,c)});if(b.options[a])b.options[a](b,c)},_cacheObserverCallbacks:function(){['onStart','onEnd','onDrag'].each(function(a){Draggables[a+'Count']=Draggables.observers.select(function(o){return o[a]}).length})}};var Draggable=Class.create({initialize:function(e){var f={handle:false,reverteffect:function(a,b,c){var d=Math.sqrt(Math.abs(b^2)+Math.abs(c^2))*0.02;new Effect.Move(a,{x:-c,y:-b,duration:d,queue:{scope:'_draggable',position:'end'}})},endeffect:function(a){var b=Object.isNumber(a._opacity)?a._opacity:1.0;new Effect.Opacity(a,{duration:0.2,from:0.7,to:b,queue:{scope:'_draggable',position:'end'},afterFinish:function(){Draggable._dragging[a]=false}})},zindex:1000,revert:false,quiet:false,scroll:false,scrollSensitivity:20,scrollSpeed:15,snap:false,delay:0};if(!arguments[1]||Object.isUndefined(arguments[1].endeffect))Object.extend(f,{starteffect:function(a){a._opacity=Element.getOpacity(a);Draggable._dragging[a]=true;new Effect.Opacity(a,{duration:0.2,from:a._opacity,to:0.7})}});var g=Object.extend(f,arguments[1]||{});this.element=$(e);if(g.handle&&Object.isString(g.handle))this.handle=this.element.down('.'+g.handle,0);if(!this.handle)this.handle=$(g.handle);if(!this.handle)this.handle=this.element;if(g.scroll&&!g.scroll.scrollTo&&!g.scroll.outerHTML){g.scroll=$(g.scroll);this._isScrollChild=Element.childOf(this.element,g.scroll)}Element.makePositioned(this.element);this.options=g;this.dragging=false;this.eventMouseDown=this.initDrag.bindAsEventListener(this);Event.observe(this.handle,"mousedown",this.eventMouseDown);Draggables.register(this)},destroy:function(){Event.stopObserving(this.handle,"mousedown",this.eventMouseDown);Draggables.unregister(this)},currentDelta:function(){return([parseInt(Element.getStyle(this.element,'left')||'0'),parseInt(Element.getStyle(this.element,'top')||'0')])},initDrag:function(a){if(!Object.isUndefined(Draggable._dragging[this.element])&&Draggable._dragging[this.element])return;if(Event.isLeftClick(a)){var b=Event.element(a);if((tag_name=b.tagName.toUpperCase())&&(tag_name=='INPUT'||tag_name=='SELECT'||tag_name=='OPTION'||tag_name=='BUTTON'||tag_name=='TEXTAREA'))return;var c=[Event.pointerX(a),Event.pointerY(a)];var d=Position.cumulativeOffset(this.element);this.offset=[0,1].map(function(i){return(c[i]-d[i])});Draggables.activate(this);Event.stop(a)}},startDrag:function(a){this.dragging=true;if(!this.delta)this.delta=this.currentDelta();if(this.options.zindex){this.originalZ=parseInt(Element.getStyle(this.element,'z-index')||0);this.element.style.zIndex=this.options.zindex}if(this.options.ghosting){this._clone=this.element.cloneNode(true);this._originallyAbsolute=(this.element.getStyle('position')=='absolute');if(!this._originallyAbsolute)Position.absolutize(this.element);this.element.parentNode.insertBefore(this._clone,this.element)}if(this.options.scroll){if(this.options.scroll==window){var b=this._getWindowScroll(this.options.scroll);this.originalScrollLeft=b.left;this.originalScrollTop=b.top}else{this.originalScrollLeft=this.options.scroll.scrollLeft;this.originalScrollTop=this.options.scroll.scrollTop}}Draggables.notify('onStart',this,a);if(this.options.starteffect)this.options.starteffect(this.element)},updateDrag:function(a,b){if(!this.dragging)this.startDrag(a);if(!this.options.quiet){Position.prepare();Droppables.show(b,this.element)}Draggables.notify('onDrag',this,a);this.draw(b);if(this.options.change)this.options.change(this);if(this.options.scroll){this.stopScrolling();var p;if(this.options.scroll==window){with(this._getWindowScroll(this.options.scroll)){p=[left,top,left+width,top+height]}}else{p=Position.page(this.options.scroll);p[0]+=this.options.scroll.scrollLeft+Position.deltaX;p[1]+=this.options.scroll.scrollTop+Position.deltaY;p.push(p[0]+this.options.scroll.offsetWidth);p.push(p[1]+this.options.scroll.offsetHeight)}var c=[0,0];if(b[0]<(p[0]+this.options.scrollSensitivity))c[0]=b[0]-(p[0]+this.options.scrollSensitivity);if(b[1]<(p[1]+this.options.scrollSensitivity))c[1]=b[1]-(p[1]+this.options.scrollSensitivity);if(b[0]>(p[2]-this.options.scrollSensitivity))c[0]=b[0]-(p[2]-this.options.scrollSensitivity);if(b[1]>(p[3]-this.options.scrollSensitivity))c[1]=b[1]-(p[3]-this.options.scrollSensitivity);this.startScrolling(c)}if(Prototype.Browser.WebKit)window.scrollBy(0,0);Event.stop(a)},finishDrag:function(a,b){this.dragging=false;if(this.options.quiet){Position.prepare();var c=[Event.pointerX(a),Event.pointerY(a)];Droppables.show(c,this.element)}if(this.options.ghosting){if(!this._originallyAbsolute)Position.relativize(this.element);delete this._originallyAbsolute;Element.remove(this._clone);this._clone=null}var e=false;if(b){e=Droppables.fire(a,this.element);if(!e)e=false}if(e&&this.options.onDropped)this.options.onDropped(this.element);Draggables.notify('onEnd',this,a);var f=this.options.revert;if(f&&Object.isFunction(f))f=f(this.element);var d=this.currentDelta();if(f&&this.options.reverteffect){if(e==0||f!='failure')this.options.reverteffect(this.element,d[1]-this.delta[1],d[0]-this.delta[0])}else{this.delta=d}if(this.options.zindex)this.element.style.zIndex=this.originalZ;if(this.options.endeffect)this.options.endeffect(this.element);Draggables.deactivate(this);Droppables.reset()},keyPress:function(a){if(a.keyCode!=Event.KEY_ESC)return;this.finishDrag(a,false);Event.stop(a)},endDrag:function(a){if(!this.dragging)return;this.stopScrolling();this.finishDrag(a,true);Event.stop(a)},draw:function(a){var b=Position.cumulativeOffset(this.element);if(this.options.ghosting){var r=Position.realOffset(this.element);b[0]+=r[0]-Position.deltaX;b[1]+=r[1]-Position.deltaY}var d=this.currentDelta();b[0]-=d[0];b[1]-=d[1];if(this.options.scroll&&(this.options.scroll!=window&&this._isScrollChild)){b[0]-=this.options.scroll.scrollLeft-this.originalScrollLeft;b[1]-=this.options.scroll.scrollTop-this.originalScrollTop}var p=[0,1].map(function(i){return(a[i]-b[i]-this.offset[i])}.bind(this));if(this.options.snap){if(Object.isFunction(this.options.snap)){p=this.options.snap(p[0],p[1],this)}else{if(Object.isArray(this.options.snap)){p=p.map(function(v,i){return(v/this.options.snap[i]).round()*this.options.snap[i]}.bind(this))}else{p=p.map(function(v){return(v/this.options.snap).round()*this.options.snap}.bind(this))}}}var c=this.element.style;if((!this.options.constraint)||(this.options.constraint=='horizontal'))c.left=p[0]+"px";if((!this.options.constraint)||(this.options.constraint=='vertical'))c.top=p[1]+"px";if(c.visibility=="hidden")c.visibility=""},stopScrolling:function(){if(this.scrollInterval){clearInterval(this.scrollInterval);this.scrollInterval=null;Draggables._lastScrollPointer=null}},startScrolling:function(a){if(!(a[0]||a[1]))return;this.scrollSpeed=[a[0]*this.options.scrollSpeed,a[1]*this.options.scrollSpeed];this.lastScrolled=new Date();this.scrollInterval=setInterval(this.scroll.bind(this),10)},scroll:function(){var a=new Date();var b=a-this.lastScrolled;this.lastScrolled=a;if(this.options.scroll==window){with(this._getWindowScroll(this.options.scroll)){if(this.scrollSpeed[0]||this.scrollSpeed[1]){var d=b/1000;this.options.scroll.scrollTo(left+d*this.scrollSpeed[0],top+d*this.scrollSpeed[1])}}}else{this.options.scroll.scrollLeft+=this.scrollSpeed[0]*b/1000;this.options.scroll.scrollTop+=this.scrollSpeed[1]*b/1000}Position.prepare();Droppables.show(Draggables._lastPointer,this.element);Draggables.notify('onDrag',this);if(this._isScrollChild){Draggables._lastScrollPointer=Draggables._lastScrollPointer||$A(Draggables._lastPointer);Draggables._lastScrollPointer[0]+=this.scrollSpeed[0]*b/1000;Draggables._lastScrollPointer[1]+=this.scrollSpeed[1]*b/1000;if(Draggables._lastScrollPointer[0]<0)Draggables._lastScrollPointer[0]=0;if(Draggables._lastScrollPointer[1]<0)Draggables._lastScrollPointer[1]=0;this.draw(Draggables._lastScrollPointer)}if(this.options.change)this.options.change(this)},_getWindowScroll:function(w){var T,L,W,H;with(w.document){if(w.document.documentElement&&documentElement.scrollTop){T=documentElement.scrollTop;L=documentElement.scrollLeft}else if(w.document.body){T=body.scrollTop;L=body.scrollLeft}if(w.innerWidth){W=w.innerWidth;H=w.innerHeight}else if(w.document.documentElement&&documentElement.clientWidth){W=documentElement.clientWidth;H=documentElement.clientHeight}else{W=body.offsetWidth;H=body.offsetHeight}}return{top:T,left:L,width:W,height:H}}});Draggable._dragging={};var SortableObserver=Class.create({initialize:function(a,b){this.element=$(a);this.observer=b;this.lastValue=Sortable.serialize(this.element)},onStart:function(){this.lastValue=Sortable.serialize(this.element)},onEnd:function(){Sortable.unmark();if(this.lastValue!=Sortable.serialize(this.element))this.observer(this.element)}});var Sortable={SERIALIZE_RULE:/^[^_\-](?:[A-Za-z0-9\-\_]*)[_](.*)$/,sortables:{},_findRootElement:function(a){while(a.tagName.toUpperCase()!="BODY"){if(a.id&&Sortable.sortables[a.id])return a;a=a.parentNode}},options:function(a){a=Sortable._findRootElement($(a));if(!a)return;return Sortable.sortables[a.id]},destroy:function(a){var s=Sortable.options(a);if(s){Draggables.removeObserver(s.element);s.droppables.each(function(d){Droppables.remove(d)});s.draggables.invoke('destroy');delete Sortable.sortables[s.element.id]}},create:function(b){b=$(b);var c=Object.extend({element:b,tag:'li',dropOnEmpty:false,tree:false,treeTag:'ul',overlap:'vertical',constraint:'vertical',containment:b,handle:false,only:false,delay:0,hoverclass:null,ghosting:false,quiet:false,scroll:false,scrollSensitivity:20,scrollSpeed:15,format:this.SERIALIZE_RULE,elements:false,handles:false,onChange:Prototype.emptyFunction,onUpdate:Prototype.emptyFunction},arguments[1]||{});this.destroy(b);var d={revert:true,quiet:c.quiet,scroll:c.scroll,scrollSpeed:c.scrollSpeed,scrollSensitivity:c.scrollSensitivity,delay:c.delay,ghosting:c.ghosting,constraint:c.constraint,handle:c.handle};if(c.starteffect)d.starteffect=c.starteffect;if(c.reverteffect)d.reverteffect=c.reverteffect;else if(c.ghosting)d.reverteffect=function(a){a.style.top=0;a.style.left=0};if(c.endeffect)d.endeffect=c.endeffect;if(c.zindex)d.zindex=c.zindex;var f={overlap:c.overlap,containment:c.containment,tree:c.tree,hoverclass:c.hoverclass,onHover:Sortable.onHover};var g={onHover:Sortable.onEmptyHover,overlap:c.overlap,containment:c.containment,hoverclass:c.hoverclass};Element.cleanWhitespace(b);c.draggables=[];c.droppables=[];if(c.dropOnEmpty||c.tree){Droppables.add(b,g);c.droppables.push(b)}(c.elements||this.findElements(b,c)||[]).each(function(e,i){var a=c.handles?$(c.handles[i]):(c.handle?$(e).select('.'+c.handle)[0]:e);c.draggables.push(new Draggable(e,Object.extend(d,{handle:a})));Droppables.add(e,f);if(c.tree)e.treeNode=b;c.droppables.push(e)});if(c.tree){(Sortable.findTreeElements(b,c)||[]).each(function(e){Droppables.add(e,g);e.treeNode=b;c.droppables.push(e)})}this.sortables[b.id]=c;Draggables.addObserver(new SortableObserver(b,c.onUpdate))},findElements:function(a,b){return Element.findChildren(a,b.only,b.tree?true:false,b.tag)},findTreeElements:function(a,b){return Element.findChildren(a,b.only,b.tree?true:false,b.treeTag)},onHover:function(a,b,c){if(Element.isParent(b,a))return;if(c>.33&&c<.66&&Sortable.options(b).tree){return}else if(c>0.5){Sortable.mark(b,'before');if(b.previousSibling!=a){var d=a.parentNode;a.style.visibility="hidden";b.parentNode.insertBefore(a,b);if(b.parentNode!=d)Sortable.options(d).onChange(a);Sortable.options(b.parentNode).onChange(a)}}else{Sortable.mark(b,'after');var e=b.nextSibling||null;if(e!=a){var d=a.parentNode;a.style.visibility="hidden";b.parentNode.insertBefore(a,e);if(b.parentNode!=d)Sortable.options(d).onChange(a);Sortable.options(b.parentNode).onChange(a)}}},onEmptyHover:function(a,b,c){var d=a.parentNode;var e=Sortable.options(b);if(!Element.isParent(b,a)){var f;var g=Sortable.findElements(b,{tag:e.tag,only:e.only});var h=null;if(g){var i=Element.offsetSize(b,e.overlap)*(1.0-c);for(f=0;f<g.length;f+=1){if(i-Element.offsetSize(g[f],e.overlap)>=0){i-=Element.offsetSize(g[f],e.overlap)}else if(i-(Element.offsetSize(g[f],e.overlap)/2)>=0){h=f+1<g.length?g[f+1]:null;break}else{h=g[f];break}}}b.insertBefore(a,h);Sortable.options(d).onChange(a);e.onChange(a)}},unmark:function(){if(Sortable._marker)Sortable._marker.hide()},mark:function(a,b){var c=Sortable.options(a.parentNode);if(c&&!c.ghosting)return;if(!Sortable._marker){Sortable._marker=($('dropmarker')||Element.extend(document.createElement('DIV'))).hide().addClassName('dropmarker').setStyle({position:'absolute'});document.getElementsByTagName("body").item(0).appendChild(Sortable._marker)}var d=Position.cumulativeOffset(a);Sortable._marker.setStyle({left:d[0]+'px',top:d[1]+'px'});if(b=='after')if(c.overlap=='horizontal')Sortable._marker.setStyle({left:(d[0]+a.clientWidth)+'px'});else Sortable._marker.setStyle({top:(d[1]+a.clientHeight)+'px'});Sortable._marker.show()},_tree:function(a,b,c){var d=Sortable.findElements(a,b)||[];for(var i=0;i<d.length;++i){var e=d[i].id.match(b.format);if(!e)continue;var f={id:encodeURIComponent(e?e[1]:null),element:a,parent:c,children:[],position:c.children.length,container:$(d[i]).down(b.treeTag)};if(f.container)this._tree(f.container,b,f);c.children.push(f)}return c},tree:function(a){a=$(a);var b=this.options(a);var c=Object.extend({tag:b.tag,treeTag:b.treeTag,only:b.only,name:a.id,format:b.format},arguments[1]||{});var d={id:null,parent:null,children:[],container:a,position:0};return Sortable._tree(a,c,d)},_constructIndex:function(a){var b='';do{if(a.id)b='['+a.position+']'+b}while((a=a.parent)!=null);return b},sequence:function(b){b=$(b);var c=Object.extend(this.options(b),arguments[1]||{});return $(this.findElements(b,c)||[]).map(function(a){return a.id.match(c.format)?a.id.match(c.format)[1]:''})},setSequence:function(b,c){b=$(b);var d=Object.extend(this.options(b),arguments[2]||{});var e={};this.findElements(b,d).each(function(n){if(n.id.match(d.format))e[n.id.match(d.format)[1]]=[n,n.parentNode];n.parentNode.removeChild(n)});c.each(function(a){var n=e[a];if(n){n[1].appendChild(n[0]);delete e[a]}})},serialize:function(b){b=$(b);var c=Object.extend(Sortable.options(b),arguments[1]||{});var d=encodeURIComponent((arguments[1]&&arguments[1].name)?arguments[1].name:b.id);if(c.tree){return Sortable.tree(b,arguments[1]).children.map(function(a){return[d+Sortable._constructIndex(a)+"[id]="+encodeURIComponent(a.id)].concat(a.children.map(arguments.callee))}).flatten().join('&')}else{return Sortable.sequence(b,arguments[1]).map(function(a){return d+"[]="+encodeURIComponent(a)}).join('&')}}};Element.isParent=function(a,b){if(!a.parentNode||a==b)return false;if(a.parentNode==b)return true;return Element.isParent(a.parentNode,b)};Element.findChildren=function(b,c,d,f){if(!b.hasChildNodes())return null;f=f.toUpperCase();if(c)c=[c].flatten();var g=[];$A(b.childNodes).each(function(e){if(e.tagName&&e.tagName.toUpperCase()==f&&(!c||(Element.classNames(e).detect(function(v){return c.include(v)}))))g.push(e);if(d){var a=Element.findChildren(e,c,d,f);if(a)g.push(a)}});return(g.length>0?g.flatten():[])};Element.offsetSize=function(a,b){return a['offset'+((b=='vertical'||b=='height')?'Height':'Width')]};
//controls.js
if(typeof Effect=='undefined')throw("controls.js requires including script.aculo.us' effects.js library");var Autocompleter={};Autocompleter.Base=Class.create({baseInitialize:function(c,d,e){c=$(c);this.element=c;this.update=$(d);this.hasFocus=false;this.changed=false;this.active=false;this.index=0;this.entryCount=0;this.oldElementValue=this.element.value;if(this.setOptions)this.setOptions(e);else this.options=e||{};this.options.paramName=this.options.paramName||this.element.name;this.options.tokens=this.options.tokens||[];this.options.frequency=this.options.frequency||0.4;this.options.minChars=this.options.minChars||1;this.options.onShow=this.options.onShow||function(a,b){if(!b.style.position||b.style.position=='absolute'){b.style.position='absolute';Position.clone(a,b,{setHeight:false,offsetTop:a.offsetHeight})}Effect.Appear(b,{duration:0.15})};this.options.onHide=this.options.onHide||function(a,b){new Effect.Fade(b,{duration:0.15})};if(typeof(this.options.tokens)=='string')this.options.tokens=new Array(this.options.tokens);if(!this.options.tokens.include('\n'))this.options.tokens.push('\n');this.observer=null;this.element.setAttribute('autocomplete','off');Element.hide(this.update);Event.observe(this.element,'blur',this.onBlur.bindAsEventListener(this));Event.observe(this.element,'keydown',this.onKeyPress.bindAsEventListener(this))},show:function(){if(Element.getStyle(this.update,'display')=='none')this.options.onShow(this.element,this.update);if(!this.iefix&&(Prototype.Browser.IE)&&(Element.getStyle(this.update,'position')=='absolute')){new Insertion.After(this.update,'<iframe id="'+this.update.id+'_iefix" '+'style="display:none;position:absolute;filter:progid:DXImageTransform.Microsoft.Alpha(opacity=0);" '+'src="javascript:false;" frameborder="0" scrolling="no"></iframe>');this.iefix=$(this.update.id+'_iefix')}if(this.iefix)setTimeout(this.fixIEOverlapping.bind(this),50)},fixIEOverlapping:function(){Position.clone(this.update,this.iefix,{setTop:(!this.update.style.height)});this.iefix.style.zIndex=1;this.update.style.zIndex=2;Element.show(this.iefix)},hide:function(){this.stopIndicator();if(Element.getStyle(this.update,'display')!='none')this.options.onHide(this.element,this.update);if(this.iefix)Element.hide(this.iefix)},startIndicator:function(){if(this.options.indicator)Element.show(this.options.indicator)},stopIndicator:function(){if(this.options.indicator)Element.hide(this.options.indicator)},onKeyPress:function(a){if(this.active)switch(a.keyCode){case Event.KEY_TAB:case Event.KEY_RETURN:this.selectEntry();Event.stop(a);case Event.KEY_ESC:this.hide();this.active=false;Event.stop(a);return;case Event.KEY_LEFT:case Event.KEY_RIGHT:return;case Event.KEY_UP:this.markPrevious();this.render();Event.stop(a);return;case Event.KEY_DOWN:this.markNext();this.render();Event.stop(a);return}else if(a.keyCode==Event.KEY_TAB||a.keyCode==Event.KEY_RETURN||(Prototype.Browser.WebKit>0&&a.keyCode==0))return;this.changed=true;this.hasFocus=true;if(this.observer)clearTimeout(this.observer);this.observer=setTimeout(this.onObserverEvent.bind(this),this.options.frequency*1000)},activate:function(){this.changed=false;this.hasFocus=true;this.getUpdatedChoices()},onHover:function(a){var b=Event.findElement(a,'LI');if(this.index!=b.autocompleteIndex){this.index=b.autocompleteIndex;this.render()}Event.stop(a)},onClick:function(a){var b=Event.findElement(a,'LI');this.index=b.autocompleteIndex;this.selectEntry();this.hide()},onBlur:function(a){setTimeout(this.hide.bind(this),250);this.hasFocus=false;this.active=false},render:function(){if(this.entryCount>0){for(var i=0;i<this.entryCount;i++)this.index==i?Element.addClassName(this.getEntry(i),"selected"):Element.removeClassName(this.getEntry(i),"selected");if(this.hasFocus){this.show();this.active=true}}else{this.active=false;this.hide()}},markPrevious:function(){if(this.index>0)this.index--;else this.index=this.entryCount-1;this.getEntry(this.index).scrollIntoView(true)},markNext:function(){if(this.index<this.entryCount-1)this.index++;else this.index=0;this.getEntry(this.index).scrollIntoView(false)},getEntry:function(a){return this.update.firstChild.childNodes[a]},getCurrentEntry:function(){return this.getEntry(this.index)},selectEntry:function(){this.active=false;this.updateElement(this.getCurrentEntry())},updateElement:function(a){if(this.options.updateElement){this.options.updateElement(a);return}var b='';if(this.options.select){var c=$(a).select('.'+this.options.select)||[];if(c.length>0)b=Element.collectTextNodes(c[0],this.options.select)}else b=Element.collectTextNodesIgnoreClass(a,'informal');var d=this.getTokenBounds();if(d[0]!=-1){var e=this.element.value.substr(0,d[0]);var f=this.element.value.substr(d[0]).match(/^\s+/);if(f)e+=f[0];this.element.value=e+b+this.element.value.substr(d[1])}else{this.element.value=b}this.oldElementValue=this.element.value;this.element.focus();if(this.options.afterUpdateElement)this.options.afterUpdateElement(this.element,a)},updateChoices:function(a){if(!this.changed&&this.hasFocus){this.update.innerHTML=a;Element.cleanWhitespace(this.update);Element.cleanWhitespace(this.update.down());if(this.update.firstChild&&this.update.down().childNodes){this.entryCount=this.update.down().childNodes.length;for(var i=0;i<this.entryCount;i++){var b=this.getEntry(i);b.autocompleteIndex=i;this.addObservers(b)}}else{this.entryCount=0}this.stopIndicator();this.index=0;if(this.entryCount==1&&this.options.autoSelect){this.selectEntry();this.hide()}else{this.render()}}},addObservers:function(a){Event.observe(a,"mouseover",this.onHover.bindAsEventListener(this));Event.observe(a,"click",this.onClick.bindAsEventListener(this))},onObserverEvent:function(){this.changed=false;this.tokenBounds=null;if(this.getToken().length>=this.options.minChars){this.getUpdatedChoices()}else{this.active=false;this.hide()}this.oldElementValue=this.element.value},getToken:function(){var a=this.getTokenBounds();return this.element.value.substring(a[0],a[1]).strip()},getTokenBounds:function(){if(null!=this.tokenBounds)return this.tokenBounds;var a=this.element.value;if(a.strip().empty())return[-1,0];var b=arguments.callee.getFirstDifferencePos(a,this.oldElementValue);var c=(b==this.oldElementValue.length?1:0);var d=-1,nextTokenPos=a.length;var e;for(var f=0,l=this.options.tokens.length;f<l;++f){e=a.lastIndexOf(this.options.tokens[f],b+c-1);if(e>d)d=e;e=a.indexOf(this.options.tokens[f],b+c);if(-1!=e&&e<nextTokenPos)nextTokenPos=e}return(this.tokenBounds=[d+1,nextTokenPos])}});Autocompleter.Base.prototype.getTokenBounds.getFirstDifferencePos=function(a,b){var c=Math.min(a.length,b.length);for(var d=0;d<c;++d)if(a[d]!=b[d])return d;return c};Ajax.Autocompleter=Class.create(Autocompleter.Base,{initialize:function(a,b,c,d){this.baseInitialize(a,b,d);this.options.asynchronous=true;this.options.onComplete=this.onComplete.bind(this);this.options.defaultParams=this.options.parameters||null;this.url=c},getUpdatedChoices:function(){this.startIndicator();var a=encodeURIComponent(this.options.paramName)+'='+encodeURIComponent(this.getToken());this.options.parameters=this.options.callback?this.options.callback(this.element,a):a;if(this.options.defaultParams)this.options.parameters+='&'+this.options.defaultParams;new Ajax.Request(this.url,this.options)},onComplete:function(a){this.updateChoices(a.responseText)}});Autocompleter.Local=Class.create(Autocompleter.Base,{initialize:function(a,b,c,d){this.baseInitialize(a,b,d);this.options.array=c},getUpdatedChoices:function(){this.updateChoices(this.options.selector(this))},setOptions:function(h){this.options=Object.extend({choices:10,partialSearch:true,partialChars:2,ignoreCase:true,fullSearch:false,selector:function(a){var b=[];var c=[];var d=a.getToken();var e=0;for(var i=0;i<a.options.array.length&&b.length<a.options.choices;i++){var f=a.options.array[i];var g=a.options.ignoreCase?f.toLowerCase().indexOf(d.toLowerCase()):f.indexOf(d);while(g!=-1){if(g==0&&f.length!=d.length){b.push("<li><strong>"+f.substr(0,d.length)+"</strong>"+f.substr(d.length)+"</li>");break}else if(d.length>=a.options.partialChars&&a.options.partialSearch&&g!=-1){if(a.options.fullSearch||/\s/.test(f.substr(g-1,1))){c.push("<li>"+f.substr(0,g)+"<strong>"+f.substr(g,d.length)+"</strong>"+f.substr(g+d.length)+"</li>");break}}g=a.options.ignoreCase?f.toLowerCase().indexOf(d.toLowerCase(),g+1):f.indexOf(d,g+1)}}if(c.length)b=b.concat(c.slice(0,a.options.choices-b.length));return"<ul>"+b.join('')+"</ul>"}},h||{})}});Field.scrollFreeActivate=function(a){setTimeout(function(){Field.activate(a)},1)};Ajax.InPlaceEditor=Class.create({initialize:function(a,b,c){this.url=b;this.element=a=$(a);this.prepareOptions();this._controls={};arguments.callee.dealWithDeprecatedOptions(c);Object.extend(this.options,c||{});if(!this.options.formId&&this.element.id){this.options.formId=this.element.id+'-inplaceeditor';if($(this.options.formId))this.options.formId=''}if(this.options.externalControl)this.options.externalControl=$(this.options.externalControl);if(!this.options.externalControl)this.options.externalControlOnly=false;this._originalBackground=this.element.getStyle('background-color')||'transparent';this.element.title=this.options.clickToEditText;this._boundCancelHandler=this.handleFormCancellation.bind(this);this._boundComplete=(this.options.onComplete||Prototype.emptyFunction).bind(this);this._boundFailureHandler=this.handleAJAXFailure.bind(this);this._boundSubmitHandler=this.handleFormSubmission.bind(this);this._boundWrapperHandler=this.wrapUp.bind(this);this.registerListeners()},checkForEscapeOrReturn:function(e){if(!this._editing||e.ctrlKey||e.altKey||e.shiftKey)return;if(Event.KEY_ESC==e.keyCode)this.handleFormCancellation(e);else if(Event.KEY_RETURN==e.keyCode)this.handleFormSubmission(e)},createControl:function(a,b,c){var d=this.options[a+'Control'];var e=this.options[a+'Text'];if('button'==d){var f=document.createElement('input');f.type='submit';f.value=e;f.className='editor_'+a+'_button';if('cancel'==a)f.onclick=this._boundCancelHandler;this._form.appendChild(f);this._controls[a]=f}else if('link'==d){var g=document.createElement('a');g.href='#';g.appendChild(document.createTextNode(e));g.onclick='cancel'==a?this._boundCancelHandler:this._boundSubmitHandler;g.className='editor_'+a+'_link';if(c)g.className+=' '+c;this._form.appendChild(g);this._controls[a]=g}},createEditField:function(){var a=(this.options.loadTextURL?this.options.loadingText:this.getText());var b;if(1>=this.options.rows&&!/\r|\n/.test(this.getText())){b=document.createElement('input');b.type='text';var c=this.options.size||this.options.cols||0;if(0<c)b.size=c}else{b=document.createElement('textarea');b.rows=(1>=this.options.rows?this.options.autoRows:this.options.rows);b.cols=this.options.cols||40}b.name=this.options.paramName;b.value=a;b.className='editor_field';if(this.options.submitOnBlur)b.onblur=this._boundSubmitHandler;this._controls.editor=b;if(this.options.loadTextURL)this.loadExternalText();this._form.appendChild(this._controls.editor)},createForm:function(){var d=this;function addText(a,b){var c=d.options['text'+a+'Controls'];if(!c||b===false)return;d._form.appendChild(document.createTextNode(c))};this._form=$(document.createElement('form'));this._form.id=this.options.formId;this._form.addClassName(this.options.formClassName);this._form.onsubmit=this._boundSubmitHandler;this.createEditField();if('textarea'==this._controls.editor.tagName.toLowerCase())this._form.appendChild(document.createElement('br'));if(this.options.onFormCustomization)this.options.onFormCustomization(this,this._form);addText('Before',this.options.okControl||this.options.cancelControl);this.createControl('ok',this._boundSubmitHandler);addText('Between',this.options.okControl&&this.options.cancelControl);this.createControl('cancel',this._boundCancelHandler,'editor_cancel');addText('After',this.options.okControl||this.options.cancelControl)},destroy:function(){if(this._oldInnerHTML)this.element.innerHTML=this._oldInnerHTML;this.leaveEditMode();this.unregisterListeners()},enterEditMode:function(e){if(this._saving||this._editing)return;this._editing=true;this.triggerCallback('onEnterEditMode');if(this.options.externalControl)this.options.externalControl.hide();this.element.hide();this.createForm();this.element.parentNode.insertBefore(this._form,this.element);if(!this.options.loadTextURL)this.postProcessEditField();if(e)Event.stop(e)},enterHover:function(e){if(this.options.hoverClassName)this.element.addClassName(this.options.hoverClassName);if(this._saving)return;this.triggerCallback('onEnterHover')},getText:function(){return this.element.innerHTML},handleAJAXFailure:function(a){this.triggerCallback('onFailure',a);if(this._oldInnerHTML){this.element.innerHTML=this._oldInnerHTML;this._oldInnerHTML=null}},handleFormCancellation:function(e){this.wrapUp();if(e)Event.stop(e)},handleFormSubmission:function(e){var a=this._form;var b=$F(this._controls.editor);this.prepareSubmission();var c=this.options.callback(a,b)||'';if(Object.isString(c))c=c.toQueryParams();c.editorId=this.element.id;if(this.options.htmlResponse){var d=Object.extend({evalScripts:true},this.options.ajaxOptions);Object.extend(d,{parameters:c,onComplete:this._boundWrapperHandler,onFailure:this._boundFailureHandler});new Ajax.Updater({success:this.element},this.url,d)}else{var d=Object.extend({method:'get'},this.options.ajaxOptions);Object.extend(d,{parameters:c,onComplete:this._boundWrapperHandler,onFailure:this._boundFailureHandler});new Ajax.Request(this.url,d)}if(e)Event.stop(e)},leaveEditMode:function(){this.element.removeClassName(this.options.savingClassName);this.removeForm();this.leaveHover();this.element.style.backgroundColor=this._originalBackground;this.element.show();if(this.options.externalControl)this.options.externalControl.show();this._saving=false;this._editing=false;this._oldInnerHTML=null;this.triggerCallback('onLeaveEditMode')},leaveHover:function(e){if(this.options.hoverClassName)this.element.removeClassName(this.options.hoverClassName);if(this._saving)return;this.triggerCallback('onLeaveHover')},loadExternalText:function(){this._form.addClassName(this.options.loadingClassName);this._controls.editor.disabled=true;var c=Object.extend({method:'get'},this.options.ajaxOptions);Object.extend(c,{parameters:'editorId='+encodeURIComponent(this.element.id),onComplete:Prototype.emptyFunction,onSuccess:function(a){this._form.removeClassName(this.options.loadingClassName);var b=a.responseText;if(this.options.stripLoadedTextTags)b=b.stripTags();this._controls.editor.value=b;this._controls.editor.disabled=false;this.postProcessEditField()}.bind(this),onFailure:this._boundFailureHandler});new Ajax.Request(this.options.loadTextURL,c)},postProcessEditField:function(){var a=this.options.fieldPostCreation;if(a)$(this._controls.editor)['focus'==a?'focus':'activate']()},prepareOptions:function(){this.options=Object.clone(Ajax.InPlaceEditor.DefaultOptions);Object.extend(this.options,Ajax.InPlaceEditor.DefaultCallbacks);[this._extraDefaultOptions].flatten().compact().each(function(a){Object.extend(this.options,a)}.bind(this))},prepareSubmission:function(){this._saving=true;this.removeForm();this.leaveHover();this.showSaving()},registerListeners:function(){this._listeners={};var b;$H(Ajax.InPlaceEditor.Listeners).each(function(a){b=this[a.value].bind(this);this._listeners[a.key]=b;if(!this.options.externalControlOnly)this.element.observe(a.key,b);if(this.options.externalControl)this.options.externalControl.observe(a.key,b)}.bind(this))},removeForm:function(){if(!this._form)return;this._form.remove();this._form=null;this._controls={}},showSaving:function(){this._oldInnerHTML=this.element.innerHTML;this.element.innerHTML=this.options.savingText;this.element.addClassName(this.options.savingClassName);this.element.style.backgroundColor=this._originalBackground;this.element.show()},triggerCallback:function(a,b){if('function'==typeof this.options[a]){this.options[a](this,b)}},unregisterListeners:function(){$H(this._listeners).each(function(a){if(!this.options.externalControlOnly)this.element.stopObserving(a.key,a.value);if(this.options.externalControl)this.options.externalControl.stopObserving(a.key,a.value)}.bind(this))},wrapUp:function(a){this.leaveEditMode();this._boundComplete(a,this.element)}});Object.extend(Ajax.InPlaceEditor.prototype,{dispose:Ajax.InPlaceEditor.prototype.destroy});Ajax.InPlaceCollectionEditor=Class.create(Ajax.InPlaceEditor,{initialize:function($super,b,c,d){this._extraDefaultOptions=Ajax.InPlaceCollectionEditor.DefaultOptions;$super(b,c,d)},createEditField:function(){var a=document.createElement('select');a.name=this.options.paramName;a.size=1;this._controls.editor=a;this._collection=this.options.collection||[];if(this.options.loadCollectionURL)this.loadCollection();else this.checkForExternalText();this._form.appendChild(this._controls.editor)},loadCollection:function(){this._form.addClassName(this.options.loadingClassName);this.showLoadingText(this.options.loadingCollectionText);var c=Object.extend({method:'get'},this.options.ajaxOptions);Object.extend(c,{parameters:'editorId='+encodeURIComponent(this.element.id),onComplete:Prototype.emptyFunction,onSuccess:function(a){var b=a.responseText.strip();if(!/^\[.*\]$/.test(b))throw('Server returned an invalid collection representation.');this._collection=eval(b);this.checkForExternalText()}.bind(this),onFailure:this.onFailure});new Ajax.Request(this.options.loadCollectionURL,c)},showLoadingText:function(a){this._controls.editor.disabled=true;var b=this._controls.editor.firstChild;if(!b){b=document.createElement('option');b.value='';this._controls.editor.appendChild(b);b.selected=true}b.update((a||'').stripScripts().stripTags())},checkForExternalText:function(){this._text=this.getText();if(this.options.loadTextURL)this.loadExternalText();else this.buildOptionList()},loadExternalText:function(){this.showLoadingText(this.options.loadingText);var b=Object.extend({method:'get'},this.options.ajaxOptions);Object.extend(b,{parameters:'editorId='+encodeURIComponent(this.element.id),onComplete:Prototype.emptyFunction,onSuccess:function(a){this._text=a.responseText.strip();this.buildOptionList()}.bind(this),onFailure:this.onFailure});new Ajax.Request(this.options.loadTextURL,b)},buildOptionList:function(){this._form.removeClassName(this.options.loadingClassName);this._collection=this._collection.map(function(a){return 2===a.length?a:[a,a].flatten()});var c=('value'in this.options)?this.options.value:this._text;var d=this._collection.any(function(a){return a[0]==c}.bind(this));this._controls.editor.update('');var e;this._collection.each(function(a,b){e=document.createElement('option');e.value=a[0];e.selected=d?a[0]==c:0==b;e.appendChild(document.createTextNode(a[1]));this._controls.editor.appendChild(e)}.bind(this));this._controls.editor.disabled=false;Field.scrollFreeActivate(this._controls.editor)}});Ajax.InPlaceEditor.prototype.initialize.dealWithDeprecatedOptions=function(c){if(!c)return;function fallback(a,b){if(a in c||b===undefined)return;c[a]=b};fallback('cancelControl',(c.cancelLink?'link':(c.cancelButton?'button':c.cancelLink==c.cancelButton==false?false:undefined)));fallback('okControl',(c.okLink?'link':(c.okButton?'button':c.okLink==c.okButton==false?false:undefined)));fallback('highlightColor',c.highlightcolor);fallback('highlightEndColor',c.highlightendcolor)};Object.extend(Ajax.InPlaceEditor,{DefaultOptions:{ajaxOptions:{},autoRows:3,cancelControl:'link',cancelText:'cancel',clickToEditText:'Click to edit',externalControl:null,externalControlOnly:false,fieldPostCreation:'activate',formClassName:'inplaceeditor-form',formId:null,highlightColor:'#ffff99',highlightEndColor:'#ffffff',hoverClassName:'',htmlResponse:true,loadingClassName:'inplaceeditor-loading',loadingText:'Loading...',okControl:'button',okText:'ok',paramName:'value',rows:1,savingClassName:'inplaceeditor-saving',savingText:'Saving...',size:0,stripLoadedTextTags:false,submitOnBlur:false,textAfterControls:'',textBeforeControls:'',textBetweenControls:''},DefaultCallbacks:{callback:function(a){return Form.serialize(a)},onComplete:function(a,b){new Effect.Highlight(b,{startcolor:this.options.highlightColor,keepBackgroundImage:true})},onEnterEditMode:null,onEnterHover:function(a){a.element.style.backgroundColor=a.options.highlightColor;if(a._effect)a._effect.cancel()},onFailure:function(a,b){alert('Error communication with the server: '+a.responseText.stripTags())},onFormCustomization:null,onLeaveEditMode:null,onLeaveHover:function(a){a._effect=new Effect.Highlight(a.element,{startcolor:a.options.highlightColor,endcolor:a.options.highlightEndColor,restorecolor:a._originalBackground,keepBackgroundImage:true})}},Listeners:{click:'enterEditMode',keydown:'checkForEscapeOrReturn',mouseover:'enterHover',mouseout:'leaveHover'}});Ajax.InPlaceCollectionEditor.DefaultOptions={loadingCollectionText:'Loading options...'};Form.Element.DelayedObserver=Class.create({initialize:function(a,b,c){this.delay=b||0.5;this.element=$(a);this.callback=c;this.timer=null;this.lastValue=$F(this.element);Event.observe(this.element,'keyup',this.delayedListener.bindAsEventListener(this))},delayedListener:function(a){if(this.lastValue==$F(this.element))return;if(this.timer)clearTimeout(this.timer);this.timer=setTimeout(this.onTimerEvent.bind(this),this.delay*1000);this.lastValue=$F(this.element)},onTimerEvent:function(){this.timer=null;this.callback(this.element,$F(this.element))}});
//slider.js
if(!Control)var Control={};Control.Slider=Class.create({initialize:function(a,b,c){var d=this;if(Object.isArray(a)){this.handles=a.collect(function(e){return $(e)})}else{this.handles=[$(a)]}this.track=$(b);this.options=c||{};this.axis=this.options.axis||'horizontal';this.increment=this.options.increment||1;this.step=parseInt(this.options.step||'1');this.range=this.options.range||$R(0,1);this.value=0;this.values=this.handles.map(function(){return 0});this.spans=this.options.spans?this.options.spans.map(function(s){return $(s)}):false;this.options.startSpan=$(this.options.startSpan||null);this.options.endSpan=$(this.options.endSpan||null);this.restricted=this.options.restricted||false;this.maximum=this.options.maximum||this.range.end;this.minimum=this.options.minimum||this.range.start;this.alignX=parseInt(this.options.alignX||'0');this.alignY=parseInt(this.options.alignY||'0');this.trackLength=this.maximumOffset()-this.minimumOffset();this.handleLength=this.isVertical()?(this.handles[0].offsetHeight!=0?this.handles[0].offsetHeight:this.handles[0].style.height.replace(/px$/,"")):(this.handles[0].offsetWidth!=0?this.handles[0].offsetWidth:this.handles[0].style.width.replace(/px$/,""));this.active=false;this.dragging=false;this.disabled=false;if(this.options.disabled)this.setDisabled();this.allowedValues=this.options.values?this.options.values.sortBy(Prototype.K):false;if(this.allowedValues){this.minimum=this.allowedValues.min();this.maximum=this.allowedValues.max()}this.eventMouseDown=this.startDrag.bindAsEventListener(this);this.eventMouseUp=this.endDrag.bindAsEventListener(this);this.eventMouseMove=this.update.bindAsEventListener(this);this.handles.each(function(h,i){i=d.handles.length-1-i;d.setValue(parseFloat((Object.isArray(d.options.sliderValue)?d.options.sliderValue[i]:d.options.sliderValue)||d.range.start),i);h.makePositioned().observe("mousedown",d.eventMouseDown)});this.track.observe("mousedown",this.eventMouseDown);document.observe("mouseup",this.eventMouseUp);document.observe("mousemove",this.eventMouseMove);this.initialized=true},dispose:function(){var a=this;Event.stopObserving(this.track,"mousedown",this.eventMouseDown);Event.stopObserving(document,"mouseup",this.eventMouseUp);Event.stopObserving(document,"mousemove",this.eventMouseMove);this.handles.each(function(h){Event.stopObserving(h,"mousedown",a.eventMouseDown)})},setDisabled:function(){this.disabled=true},setEnabled:function(){this.disabled=false},getNearestValue:function(b){if(this.allowedValues){if(b>=this.allowedValues.max())return(this.allowedValues.max());if(b<=this.allowedValues.min())return(this.allowedValues.min());var c=Math.abs(this.allowedValues[0]-b);var d=this.allowedValues[0];this.allowedValues.each(function(v){var a=Math.abs(v-b);if(a<=c){d=v;c=a}});return d}if(b>this.range.end)return this.range.end;if(b<this.range.start)return this.range.start;return b},setValue:function(a,b){if(!this.active){this.activeHandleIdx=b||0;this.activeHandle=this.handles[this.activeHandleIdx];this.updateStyles()}b=b||this.activeHandleIdx||0;if(this.initialized&&this.restricted){if((b>0)&&(a<this.values[b-1]))a=this.values[b-1];if((b<(this.handles.length-1))&&(a>this.values[b+1]))a=this.values[b+1]}a=this.getNearestValue(a);this.values[b]=a;this.value=this.values[0];this.handles[b].style[this.isVertical()?'top':'left']=this.translateToPx(a);this.drawSpans();if(!this.dragging||!this.event)this.updateFinished()},setValueBy:function(a,b){this.setValue(this.values[b||this.activeHandleIdx||0]+a,b||this.activeHandleIdx||0)},translateToPx:function(a){return Math.round(((this.trackLength-this.handleLength)/(this.range.end-this.range.start))*(a-this.range.start))+"px"},translateToValue:function(a){return((a/(this.trackLength-this.handleLength)*(this.range.end-this.range.start))+this.range.start)},getRange:function(a){var v=this.values.sortBy(Prototype.K);a=a||0;return $R(v[a],v[a+1])},minimumOffset:function(){return(this.isVertical()?this.alignY:this.alignX)},maximumOffset:function(){return(this.isVertical()?(this.track.offsetHeight!=0?this.track.offsetHeight:this.track.style.height.replace(/px$/,""))-this.alignY:(this.track.offsetWidth!=0?this.track.offsetWidth:this.track.style.width.replace(/px$/,""))-this.alignX)},isVertical:function(){return(this.axis=='vertical')},drawSpans:function(){var a=this;if(this.spans)$R(0,this.spans.length-1).each(function(r){a.setSpan(a.spans[r],a.getRange(r))});if(this.options.startSpan)this.setSpan(this.options.startSpan,$R(0,this.values.length>1?this.getRange(0).min():this.value));if(this.options.endSpan)this.setSpan(this.options.endSpan,$R(this.values.length>1?this.getRange(this.spans.length-1).max():this.value,this.maximum))},setSpan:function(a,b){if(this.isVertical()){a.style.top=this.translateToPx(b.start);a.style.height=this.translateToPx(b.end-b.start+this.range.start)}else{a.style.left=this.translateToPx(b.start);a.style.width=this.translateToPx(b.end-b.start+this.range.start)}},updateStyles:function(){this.handles.each(function(h){Element.removeClassName(h,'selected')});Element.addClassName(this.activeHandle,'selected')},startDrag:function(a){if(Event.isLeftClick(a)){if(!this.disabled){this.active=true;var b=Event.element(a);var c=[Event.pointerX(a),Event.pointerY(a)];var d=b;if(d==this.track){var e=Position.cumulativeOffset(this.track);this.event=a;this.setValue(this.translateToValue((this.isVertical()?c[1]-e[1]:c[0]-e[0])-(this.handleLength/2)));var e=Position.cumulativeOffset(this.activeHandle);this.offsetX=(c[0]-e[0]);this.offsetY=(c[1]-e[1])}else{while((this.handles.indexOf(b)==-1)&&b.parentNode)b=b.parentNode;if(this.handles.indexOf(b)!=-1){this.activeHandle=b;this.activeHandleIdx=this.handles.indexOf(this.activeHandle);this.updateStyles();var e=Position.cumulativeOffset(this.activeHandle);this.offsetX=(c[0]-e[0]);this.offsetY=(c[1]-e[1])}}}Event.stop(a)}},update:function(a){if(this.active){if(!this.dragging)this.dragging=true;this.draw(a);if(Prototype.Browser.WebKit)window.scrollBy(0,0);Event.stop(a)}},draw:function(a){var b=[Event.pointerX(a),Event.pointerY(a)];var c=Position.cumulativeOffset(this.track);b[0]-=this.offsetX+c[0];b[1]-=this.offsetY+c[1];this.event=a;this.setValue(this.translateToValue(this.isVertical()?b[1]:b[0]));if(this.initialized&&this.options.onSlide)this.options.onSlide(this.values.length>1?this.values:this.value,this)},endDrag:function(a){if(this.active&&this.dragging){this.finishDrag(a,true);Event.stop(a)}this.active=false;this.dragging=false},finishDrag:function(a,b){this.active=false;this.dragging=false;this.updateFinished()},updateFinished:function(){if(this.initialized&&this.options.onChange)this.options.onChange(this.values.length>1?this.values:this.value,this);this.event=null}});
//sound.js
Sound={tracks:{},_enabled:true,template:new Template('<embed style="height:0" id="sound_#{track}_#{id}" src="#{url}" loop="false" autostart="true" hidden="true"/>'),enable:function(){Sound._enabled=true},disable:function(){Sound._enabled=false},play:function(c){if(!Sound._enabled)return;var d=Object.extend({track:'global',url:c,replace:false},arguments[1]||{});if(d.replace&&this.tracks[d.track]){$R(0,this.tracks[d.track].id).each(function(a){var b=$('sound_'+d.track+'_'+a);b.Stop&&b.Stop();b.remove()});this.tracks[d.track]=null}if(!this.tracks[d.track])this.tracks[d.track]={id:0};else this.tracks[d.track].id++;d.id=this.tracks[d.track].id;$$('body')[0].insert(Prototype.Browser.IE?new Element('bgsound',{id:'sound_'+d.track+'_'+d.id,src:d.url,loop:1,autostart:true}):Sound.template.evaluate(d))}};if(Prototype.Browser.Gecko&&navigator.userAgent.indexOf("Win")>0){if(navigator.plugins&&$A(navigator.plugins).detect(function(p){return p.name.indexOf('QuickTime')!=-1}))Sound.template=new Template('<object id="sound_#{track}_#{id}" width="0" height="0" type="audio/mpeg" data="#{url}"/>');else Sound.play=function(){}}
//load additional files
Scriptaculous.load();