// written by Dean Edwards, 2005
// with input from Tino Zijdel, Matthias Miller, Diego Perini
// http://dean.edwards.name/weblog/2005/10/add-event/
function addEvent(element, type, handler) {
	// Modification by Tanny O'Haley, http://tanny.ica.com to add the
	// DOMContentLoaded for all browsers.
	if (type == "DOMContentLoaded" || type == "domload") {
		addDOMLoadEvent(handler);
		return;
	}
	
	if (element.addEventListener) {
		element.addEventListener(type, handler, false);
	} else {
		// assign each event handler a unique ID
		if (!handler.$$guid) handler.$$guid = addEvent.guid++;
		// create a hash table of event types for the element
		if (!element.events) element.events = {};
		// create a hash table of event handlers for each element/event pair
		var handlers = element.events[type];
		if (!handlers) {
			handlers = element.events[type] = {};
			// store the existing event handler (if there is one)
			if (element["on" + type]) {
				handlers[0] = element["on" + type];
			}
		}
		// store the event handler in the hash table
		handlers[handler.$$guid] = handler;
		// assign a global event handler to do all the work
		element["on" + type] = handleEvent;
	}
};
// a counter used to create unique IDs
addEvent.guid = 1;

function removeEvent(element, type, handler) {
	if (element.removeEventListener) {
		element.removeEventListener(type, handler, false);
	} else {
		// delete the event handler from the hash table
		if (element.events && element.events[type]) {
			delete element.events[type][handler.$$guid];
		}
	}
};

function handleEvent(event) {
	var returnValue = true;
	// grab the event object (IE uses a global event object)
	event = event || fixEvent(((this.ownerDocument || this.document || this).parentWindow || window).event);
	// get a reference to the hash table of event handlers
	var handlers = this.events[event.type];
	// execute each event handler
	for (var i in handlers) {
		this.$$handleEvent = handlers[i];
		if (this.$$handleEvent(event) === false) {
			returnValue = false;
		}
	}
	return returnValue;
};

function fixEvent(event) {
	// add W3C standard event methods
	event.preventDefault = fixEvent.preventDefault;
	event.stopPropagation = fixEvent.stopPropagation;
	return event;
};
fixEvent.preventDefault = function() {
	this.returnValue = false;
};
fixEvent.stopPropagation = function() {
	this.cancelBubble = true;
};

// End Dean Edwards addEvent.

// Tino Zijdel - crisp@xs4all.nl This little snippet fixes the problem that the onload attribute on 
// the body-element will overwrite previous attached events on the window object for the onload event.
if (!window.addEventListener) {
	document.onreadystatechange = function(){
		if (window.onload && window.onload != handleEvent) {
			addEvent(window, 'load', window.onload);
			window.onload = handleEvent;
		}
	}
}

// Here are my functions for adding the DOMContentLoaded event to browsers other
// than Mozilla.

// Array of DOMContentLoaded event handlers.
window.onDOMLoadEvents = new Array();
window.DOMContentLoadedInitDone = false;

// Function that adds DOMContentLoaded listeners to the array.
function addDOMLoadEvent(listener) {
	window.onDOMLoadEvents[window.onDOMLoadEvents.length]=listener;
}

// Function to process the DOMContentLoaded events array.
function DOMContentLoadedInit() {
	// quit if this function has already been called
	if (window.DOMContentLoadedInitDone) return;

	// flag this function so we don't do the same thing twice
	window.DOMContentLoadedInitDone = true;

	// iterates through array of registered functions 
	for (var i=0; i<window.onDOMLoadEvents.length; i++) {
		var func = window.onDOMLoadEvents[i];
		func();
	}
}

function DOMContentLoadedScheduler() {
	// quit if the init function has already been called
	if (window.DOMContentLoadedInitDone) return true;
	
	// First, check for Safari or KHTML.
	// Second, check for IE.
	//if DOM methods are supported, and the body element exists
	//(using a double-check including document.body, for the benefit of older moz builds [eg ns7.1] 
	//in which getElementsByTagName('body')[0] is undefined, unless this script is in the body section)
	if(/KHTML|WebKit/i.test(navigator.userAgent)) {
		if(/loaded|complete/.test(document.readyState)) {
			DOMContentLoadedInit();
		} else {
			// Not ready yet, wait a little more.
			setTimeout("DOMContentLoadedScheduler()", 250);
		}
	} else if(document.getElementById("__ie_onload")) {
		return true;
	} else if(typeof document.getElementsByTagName != 'undefined' && (document.getElementsByTagName('body')[0] != null || document.body != null)) {
		DOMContentLoadedInit();
	} else {
		// Not ready yet, wait a little more.
		setTimeout("DOMContentLoadedScheduler()", 250);
	}
	
	return true;
}

// Schedule to run the init function.
setTimeout("DOMContentLoadedScheduler()", 250);

// Just in case window.onload happens first, add it there too.
addEvent(window, "load", DOMContentLoadedInit);

// If addEventListener supports the DOMContentLoaded event.
if(document.addEventListener)
	document.addEventListener("DOMContentLoaded", DOMContentLoadedInit, false);

/* for Internet Explorer */
/*@cc_on @*/
/*@if (@_win32)
	document.write("<script id=__ie_onload defer src=\"//:\"><\/script>");
	var script = document.getElementById("__ie_onload");
	script.onreadystatechange = function() {
		if (this.readyState == "complete") {
			DOMContentLoadedInit(); // call the onload handler
		}
	};
/*@end @*/


/*  Prototype JavaScript framework, version 1.5.1.1
 *  (c) 2005-2007 Sam Stephenson
 *
 *  Prototype is freely distributable under the terms of an MIT-style license.
 *  For details, see the Prototype web site: http://www.prototypejs.org/
 *
/*--------------------------------------------------------------------------*/

var Prototype = {
  Version: '1.5.1.1',

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

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

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

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

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

var Abstract = new Object();

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

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

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

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

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

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

Function.prototype.bind = function() {
  var __method = this, args = $A(arguments), object = args.shift();
  return function() {
    if(typeof $A == 'function'){              // <-- Added Firefox Fix
      return __method.apply(object, args.concat($A(arguments)));
    }
  }
};

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

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

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

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

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

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

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

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

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

    return returnValue;
  }
};

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

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

    this.registerCallback();
  },

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

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

  onTimerEvent: function() {
    if (!this.currentlyExecuting) {
      try {
        this.currentlyExecuting = true;
        this.callback(this);
      } finally {
        this.currentlyExecuting = false;
      }
    }
  }
};

Object.extend(String, {
  interpret: function(value) {
    return value == null ? '' : String(value);
  },
  specialChar: {
    '\b': '\\b',
    '\t': '\\t',
    '\n': '\\n',
    '\f': '\\f',
    '\r': '\\r',
    '\\': '\\\\'
  }
});

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    return camelized;
  },

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

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

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

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

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

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

  isJSON: function() {
    var 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);
  }
});

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Object.extend(Array.prototype, Enumerable);

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  activeRequestCount: 0
};

Ajax.Responders = {
  responders: [],

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

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

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

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

Object.extend(Ajax.Responders, Enumerable);

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

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

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

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

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

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

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

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

    this.parameters = params;

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Ajax.Updater = Class.create();

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

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

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

    this.request(url);
  },

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

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

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

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

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

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

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

    this.start();
  },

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

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

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

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

  onTimerEvent: function() {
    this.updater = new Ajax.Updater(this.container, this.url, this.options);
  }
});

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

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

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

} else{
  document.getElementsByClassName = function(className, parentElement) {
    var children = ($(parentElement) || document.body).getElementsByTagName('*');
    var elements = [], child, pattern = new RegExp("(^|\\s)" + className + "(\\s|$)");
    for (var i = 0, length = children.length; i < length; i++) {
      child = children[i];
      var elementClassName = child.className;
      if (elementClassName.length == 0) continue;
      if (elementClassName == className || elementClassName.match(pattern))
        elements.push(Element.extend(child));
    }
    return elements;
  };
}

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    return element;
  },

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Element.Methods.ByTag = {};

Object.extend(Element, Element.Methods);

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

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

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

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

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

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

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

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

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

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

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

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

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

var Toggle = { display: Element.toggle };

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

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

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

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

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

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

var Insertion = new Object();

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

/* Portions of the Selector class are derived from Jack Slocum's DomQuery,
 * part of YUI-Ext version 0.40, distributed under the terms of an MIT-style
 * license.  Please see http://www.yui-ext.com/ for more information. */

var Selector = Class.create();

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    // selectors follow
    tagName:      new RegExp('^\\s*'+'(\\'+'*|[\\w\\-]+)(\\b|$)?'),
    id:           new RegExp('^#([\\w\\-\\'+'*]+)(\\b|$)'),
    className:    new RegExp('^\\.([\\w\\-\\'+'*]+)(\\b|$)'),
    pseudo:       new RegExp('^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\\((.*?)\\))?(\\b|$|\\s|(?=:))'),
    attrPresence: new RegExp('^\\[([\\w]+)\\]'),
    attr:         new RegExp('\\[((?:[\\w-]*:)?[\\w-]+)\\s*(?:([!^$*~|]?=)\\s*(([\'"])([^\\]]*?)\\4|([^\'"][^\\]]*?)))?\\]')
  },
  
  handlers: {
    // UTILITY FUNCTIONS
    // joins two collections
    concat: function(a, b) {
      for (var i = 0, node; node = b[i]; i++)
        a.push(node);
      return a;
    },

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    return matchingInputs;
  },

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

  observers: false,

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    return document.body;
  },

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

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

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

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

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

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

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

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

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

    } while (element = element.offsetParent);

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

    return [valueL, valueT];
  },

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

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

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

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

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

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

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

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

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

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

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

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

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

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

    return [valueL, valueT];
  };
}

Element.addMethods();

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 (elementName) {elementName = elementName.toUpperCase();var parentTag = this.NODEMAP[elementName] || "div";var parentElement = document.createElement(parentTag);try {parentElement.innerHTML = "<" + elementName + "></" + elementName + ">";} catch (e) {}var element = parentElement.firstChild || null;if (element && element.tagName.toUpperCase() != elementName) {element = element.getElementsByTagName(elementName)[0];}if (!element) {element = document.createElement(elementName);}if (!element) {return;}if (arguments[1]) {if (this._isStringOrNumber(arguments[1]) || arguments[1] instanceof Array || arguments[1].tagName) {this._children(element, arguments[1]);} else {var attrs = this._attributes(arguments[1]);if (attrs.length) {try {parentElement.innerHTML = "<" + elementName + " " + attrs + "></" + elementName + ">";} catch (e) {}element = parentElement.firstChild || null;if (!element) {element = document.createElement(elementName);for (attr in arguments[1]) {element[attr == "class" ? "className" : attr] = arguments[1][attr];}}if (element.tagName.toUpperCase() != elementName) {element = parentElement.getElementsByTagName(elementName)[0];}}}}if (arguments[2]) {this._children(element, arguments[2]);}return element;}, _text:function (text) {return document.createTextNode(text);}, ATTR_MAP:{className:"class", htmlFor:"for"}, _attributes:function (attributes) {var attrs = [];for (attribute in attributes) {attrs.push((attribute in this.ATTR_MAP ? this.ATTR_MAP[attribute] : attribute) + "=\"" + attributes[attribute].toString().escapeHTML().gsub(/"/, "&quot;") + "\"");}return attrs.join(" ");}, _children:function (element, children) {if (children.tagName) {element.appendChild(children);return;}if (typeof children == "object") {children.flatten().each(function (e) {if (typeof e == "object") {element.appendChild(e);} else if (Builder._isStringOrNumber(e)) {element.appendChild(Builder._text(e));}});} else if (Builder._isStringOrNumber(children)) {element.appendChild(Builder._text(children));}}, _isStringOrNumber:function (param) {return typeof param == "string" || typeof param == "number";}, build:function (html) {var element = this.node("div");$(element).update(html.strip());return element.down();}, dump:function (scope) {if (typeof scope != "object" && typeof scope != "function") {scope = window;}var tags = "A ABBR ACRONYM ADDRESS APPLET AREA B BASE BASEFONT BDO BIG BLOCKQUOTE BODY BR BUTTON CAPTION CENTER CITE CODE COL COLGROUP DD DEL DFN DIR DIV DL DT EM FIELDSET FONT FORM FRAME FRAMESET H1 H2 H3 H4 H5 H6 HEAD HR HTML I IFRAME IMG INPUT INS ISINDEX KBD LABEL LEGEND LI LINK MAP MENU META NOFRAMES NOSCRIPT OBJECT OL OPTGROUP OPTION P PARAM PRE Q S SAMP SCRIPT SELECT SMALL SPAN STRIKE STRONG STYLE SUB SUP TABLE TBODY TD TEXTAREA TFOOT TH THEAD TITLE TR TT U UL VAR".split(/\s+/);tags.each(function (tag) {scope[tag] = function () {return Builder.node.apply(Builder, [tag].concat($A(arguments)));};});}};String.prototype.parseColor = function () {var color = "#";if (this.slice(0, 4) == "rgb(") {var cols = this.slice(4, this.length - 1).split(",");var i = 0;do {color += parseInt(cols[i]).toColorPart();} while (++i < 3);} else {if (this.slice(0, 1) == "#") {if (this.length == 4) {for (var i = 1; i < 4; i++) {color += (this.charAt(i) + this.charAt(i)).toLowerCase();}}if (this.length == 7) {color = this.toLowerCase();}}}return color.length == 7 ? color : arguments[0] || this;};Element.collectTextNodes = function (element) {return $A($(element).childNodes).collect(function (node) {return node.nodeType == 3 ? node.nodeValue : node.hasChildNodes() ? Element.collectTextNodes(node) : "";}).flatten().join("");};Element.collectTextNodesIgnoreClass = function (element, className) {return $A($(element).childNodes).collect(function (node) {return node.nodeType == 3 ? node.nodeValue : node.hasChildNodes() && !Element.hasClassName(node, className) ? Element.collectTextNodesIgnoreClass(node, className) : "";}).flatten().join("");};Element.setContentZoom = function (element, percent) {element = $(element);element.setStyle({fontSize:percent / 100 + "em"});if (Prototype.Browser.WebKit) {window.scrollBy(0, 0);}return element;};Element.getInlineOpacity = function (element) {return $(element).style.opacity || "";};Element.forceRerendering = function (element) {try {element = $(element);var n = document.createTextNode(" ");element.appendChild(n);element.removeChild(n);} catch (e) {}};Array.prototype.call = function () {var args = arguments;this.each(function (f) {f.apply(this, args);});};var Effect = {_elementDoesNotExistError:{name:"ElementDoesNotExistError", message:"The specified DOM element does not exist, but is required for this effect to operate"}, tagifyText:function (element) {if (typeof Builder == "undefined") {throw "Effect.tagifyText requires including script.aculo.us' builder.js library";}var tagifyStyle = "position:relative";if (Prototype.Browser.IE) {tagifyStyle += ";zoom:1";}element = $(element);$A(element.childNodes).each(function (child) {if (child.nodeType == 3) {child.nodeValue.toArray().each(function (character) {element.insertBefore(Builder.node("span", {style:tagifyStyle}, character == " " ? String.fromCharCode(160) : character), child);});Element.remove(child);}});}, multiple:function (element, effect) {var elements;if ((typeof element == "object" || typeof element == "function") && element.length) {elements = element;} else {elements = $(element).childNodes;}var options = Object.extend({speed:0.1, delay:0}, arguments[2] || {});var masterDelay = options.delay;$A(elements).each(function (element, index) {new effect(element, Object.extend(options, {delay:index * options.speed + masterDelay}));});}, PAIRS:{slide:["SlideDown", "SlideUp"], blind:["BlindDown", "BlindUp"], appear:["Appear", "Fade"]}, toggle:function (element, effect) {element = $(element);effect = (effect || "appear").toLowerCase();var options = Object.extend({queue:{position:"end", scope:element.id || "global", limit:1}}, arguments[2] || {});Effect[element.visible() ? Effect.PAIRS[effect][1] : Effect.PAIRS[effect][0]](element, options);}};var Effect2 = Effect;Effect.Transitions = {linear:Prototype.K, sinoidal:function (pos) {return - Math.cos(pos * Math.PI) / 2 + 0.5;}, reverse:function (pos) {return 1 - pos;}, flicker:function (pos) {var pos = - Math.cos(pos * Math.PI) / 4 + 0.75 + Math.random() / 4;return pos > 1 ? 1 : pos;}, wobble:function (pos) {return - Math.cos(pos * Math.PI * (9 * pos)) / 2 + 0.5;}, pulse:function (pos, pulses) {pulses = pulses || 5;return Math.round(pos % (1 / pulses) * pulses) == 0 ? pos * pulses * 2 - Math.floor(pos * pulses * 2) : 1 - (pos * pulses * 2 - Math.floor(pos * pulses * 2));}, none:function (pos) {return 0;}, full:function (pos) {return 1;}};Effect.ScopedQueue = Class.create();Object.extend(Object.extend(Effect.ScopedQueue.prototype, Enumerable), {initialize:function () {this.effects = [];this.interval = null;}, _each:function (iterator) {this.effects._each(iterator);}, add:function (effect) {var timestamp = (new Date).getTime();var position = typeof effect.options.queue == "string" ? effect.options.queue : effect.options.queue.position;switch (position) {case "front":this.effects.findAll(function (e) {return e.state == "idle";}).each(function (e) {e.startOn += effect.finishOn;e.finishOn += effect.finishOn;});break;case "with-last":timestamp = this.effects.pluck("startOn").max() || timestamp;break;case "end":timestamp = this.effects.pluck("finishOn").max() || timestamp;break;default:;}effect.startOn += timestamp;effect.finishOn += timestamp;if (!effect.options.queue.limit || this.effects.length < effect.options.queue.limit) {this.effects.push(effect);}if (!this.interval) {this.interval = setInterval(this.loop.bind(this), 15);}}, remove:function (effect) {this.effects = this.effects.reject(function (e) {return e == effect;});if (this.effects.length == 0) {clearInterval(this.interval);this.interval = null;}}, loop:function () {var timePos = (new Date).getTime();for (var i = 0, len = this.effects.length; i < len; i++) {this.effects[i] && this.effects[i].loop(timePos);}}});Effect.Queues = {instances:$H(), get:function (queueName) {if (typeof queueName != "string") {return queueName;}if (!this.instances[queueName]) {this.instances[queueName] = new Effect.ScopedQueue;}return this.instances[queueName];}};Effect.Queue = Effect.Queues.get("global");Effect.DefaultOptions = {transition:Effect.Transitions.sinoidal, duration:1, fps:100, sync:false, from:0, to:1, delay:0, queue:"parallel"};Effect.Base = function () {};Effect.Base.prototype = {position:null, start:function (options) {
function codeForEvent(options, eventName) {return (options[eventName + "Internal"] ? "this.options." + eventName + "Internal(this);" : "") + (options[eventName] ? "this.options." + eventName + "(this);" : "");}
if (options.transition === false) {options.transition = Effect.Transitions.linear;}this.options = Object.extend(Object.extend({}, Effect.DefaultOptions), options || {});this.currentFrame = 0;this.state = "idle";this.startOn = this.options.delay * 1000;this.finishOn = this.startOn + this.options.duration * 1000;this.fromToDelta = this.options.to - this.options.from;this.totalTime = this.finishOn - this.startOn;this.totalFrames = this.options.fps * this.options.duration;eval("this.render = function(pos){ " + "if(this.state==\"idle\"){this.state=\"running\";" + codeForEvent(options, "beforeSetup") + (this.setup ? "this.setup();" : "") + codeForEvent(options, "afterSetup") + "};if(this.state==\"running\"){" + "pos=this.options.transition(pos)*" + this.fromToDelta + "+" + this.options.from + ";" + "this.position=pos;" + codeForEvent(options, "beforeUpdate") + (this.update ? "this.update(pos);" : "") + codeForEvent(options, "afterUpdate") + "}}");this.event("beforeStart");if (!this.options.sync) {Effect.Queues.get(typeof this.options.queue == "string" ? "global" : this.options.queue.scope).add(this);}}, loop:function (timePos) {if (timePos >= this.startOn) {if (timePos >= this.finishOn) {this.render(1);this.cancel();this.event("beforeFinish");if (this.finish) {this.finish();}this.event("afterFinish");return;}var pos = (timePos - this.startOn) / this.totalTime, frame = Math.round(pos * this.totalFrames);if (frame > this.currentFrame) {this.render(pos);this.currentFrame = frame;}}}, cancel:function () {if (!this.options.sync) {Effect.Queues.get(typeof this.options.queue == "string" ? "global" : this.options.queue.scope).remove(this);}this.state = "finished";}, event:function (eventName) {if (this.options[eventName + "Internal"]) {this.options[eventName + "Internal"](this);}if (this.options[eventName]) {this.options[eventName](this);}}, inspect:function () {var data = $H();for (property in this) {if (typeof this[property] != "function") {data[property] = this[property];}}return "#<Effect:" + data.inspect() + ",options:" + $H(this.options).inspect() + ">";}};Effect.Parallel = Class.create();Object.extend(Object.extend(Effect.Parallel.prototype, Effect.Base.prototype), {initialize:function (effects) {this.effects = effects || [];this.start(arguments[1]);}, update:function (position) {this.effects.invoke("render", position);}, finish:function (position) {this.effects.each(function (effect) {effect.render(1);effect.cancel();effect.event("beforeFinish");if (effect.finish) {effect.finish(position);}effect.event("afterFinish");});}});Effect.Event = Class.create();Object.extend(Object.extend(Effect.Event.prototype, Effect.Base.prototype), {initialize:function () {var options = Object.extend({duration:0}, arguments[0] || {});this.start(options);}, update:Prototype.emptyFunction});Effect.Opacity = Class.create();Object.extend(Object.extend(Effect.Opacity.prototype, Effect.Base.prototype), {initialize:function (element) {this.element = $(element);if (!this.element) {throw Effect._elementDoesNotExistError;}if (Prototype.Browser.IE && !this.element.currentStyle.hasLayout) {this.element.setStyle({zoom:1});}var options = Object.extend({from:this.element.getOpacity() || 0, to:1}, arguments[1] || {});this.start(options);}, update:function (position) {this.element.setOpacity(position);}});Effect.Move = Class.create();Object.extend(Object.extend(Effect.Move.prototype, Effect.Base.prototype), {initialize:function (element) {this.element = $(element);if (!this.element) {throw Effect._elementDoesNotExistError;}var options = Object.extend({x:0, y:0, mode:"relative"}, arguments[1] || {});this.start(options);}, setup:function () {this.element.makePositioned();this.originalLeft = parseFloat(this.element.getStyle("left") || "0");this.originalTop = parseFloat(this.element.getStyle("top") || "0");if (this.options.mode == "absolute") {this.options.x = this.options.x - this.originalLeft;this.options.y = this.options.y - this.originalTop;}}, update:function (position) {this.element.setStyle({left:Math.round(this.options.x * position + this.originalLeft) + "px", top:Math.round(this.options.y * position + this.originalTop) + "px"});}});Effect.MoveBy = function (element, toTop, toLeft) {return new Effect.Move(element, Object.extend({x:toLeft, y:toTop}, arguments[3] || {}));};Effect.Scale = Class.create();Object.extend(Object.extend(Effect.Scale.prototype, Effect.Base.prototype), {initialize:function (element, percent) {this.element = $(element);if (!this.element) {throw Effect._elementDoesNotExistError;}var options = Object.extend({scaleX:true, scaleY:true, scaleContent:true, scaleFromCenter:false, scaleMode:"box", scaleFrom:100, scaleTo:percent}, arguments[2] || {});this.start(options);}, setup:function () {this.restoreAfterFinish = this.options.restoreAfterFinish || false;this.elementPositioning = this.element.getStyle("position");this.originalStyle = {};["top", "left", "width", "height", "fontSize"].each((function (k) {this.originalStyle[k] = this.element.style[k];}).bind(this));this.originalTop = this.element.offsetTop;this.originalLeft = this.element.offsetLeft;var fontSize = this.element.getStyle("font-size") || "100%";["em", "px", "%", "pt"].each((function (fontSizeType) {if (fontSize.indexOf(fontSizeType) > 0) {this.fontSize = parseFloat(fontSize);this.fontSizeType = fontSizeType;}}).bind(this));this.factor = (this.options.scaleTo - this.options.scaleFrom) / 100;this.dims = null;if (this.options.scaleMode == "box") {this.dims = [this.element.offsetHeight, this.element.offsetWidth];}if (/^content/.test(this.options.scaleMode)) {this.dims = [this.element.scrollHeight, this.element.scrollWidth];}if (!this.dims) {this.dims = [this.options.scaleMode.originalHeight, this.options.scaleMode.originalWidth];}}, update:function (position) {var currentScale = this.options.scaleFrom / 100 + this.factor * position;if (this.options.scaleContent && this.fontSize) {this.element.setStyle({fontSize:this.fontSize * currentScale + this.fontSizeType});}this.setDimensions(this.dims[0] * currentScale, this.dims[1] * currentScale);}, finish:function (position) {if (this.restoreAfterFinish) {this.element.setStyle(this.originalStyle);}}, setDimensions:function (height, width) {var d = {};if (this.options.scaleX) {d.width = Math.round(width) + "px";}if (this.options.scaleY) {d.height = Math.round(height) + "px";}if (this.options.scaleFromCenter) {var topd = (height - this.dims[0]) / 2;var leftd = (width - this.dims[1]) / 2;if (this.elementPositioning == "absolute") {if (this.options.scaleY) {d.top = this.originalTop - topd + "px";}if (this.options.scaleX) {d.left = this.originalLeft - leftd + "px";}} else {if (this.options.scaleY) {d.top = - topd + "px";}if (this.options.scaleX) {d.left = - leftd + "px";}}}this.element.setStyle(d);}});Effect.Highlight = Class.create();Object.extend(Object.extend(Effect.Highlight.prototype, Effect.Base.prototype), {initialize:function (element) {this.element = $(element);if (!this.element) {throw Effect._elementDoesNotExistError;}var options = Object.extend({startcolor:"#ffff99"}, arguments[1] || {});this.start(options);}, setup:function () {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 = $R(0, 2).map((function (i) {return parseInt(this.options.endcolor.slice(i * 2 + 1, i * 2 + 3), 16) - this._base[i];}).bind(this));}, update:function (position) {this.element.setStyle({backgroundColor:$R(0, 2).inject("#", (function (m, v, i) {return m + Math.round(this._base[i] + this._delta[i] * position).toColorPart();}).bind(this))});}, finish:function () {this.element.setStyle(Object.extend(this.oldStyle, {backgroundColor:this.options.restorecolor}));}});Effect.ScrollTo = Class.create();Object.extend(Object.extend(Effect.ScrollTo.prototype, Effect.Base.prototype), {initialize:function (element) {this.element = $(element);this.start(arguments[1] || {});}, setup:function () {Position.prepare();var offsets = Position.cumulativeOffset(this.element);if (this.options.offset) {offsets[1] += this.options.offset;}var max = window.innerHeight ? window.height - window.innerHeight : document.body.scrollHeight - (document.documentElement.clientHeight ? document.documentElement.clientHeight : document.body.clientHeight);this.scrollStart = Position.deltaY;this.delta = (offsets[1] > max ? max : offsets[1]) - this.scrollStart;}, update:function (position) {Position.prepare();window.scrollTo(Position.deltaX, this.scrollStart + position * this.delta);}});Effect.Fade = function (element) {element = $(element);var oldOpacity = element.getInlineOpacity();var options = Object.extend({from:element.getOpacity() || 1, to:0, afterFinishInternal:function (effect) {if (effect.options.to != 0) {return;}effect.element.hide().setStyle({opacity:oldOpacity});}}, arguments[1] || {});return new Effect.Opacity(element, options);};Effect.Appear = function (element) {element = $(element);var options = Object.extend({from:element.getStyle("display") == "none" ? 0 : element.getOpacity() || 0, to:1, afterFinishInternal:function (effect) {effect.element.forceRerendering();}, beforeSetup:function (effect) {effect.element.setOpacity(effect.options.from).show();}}, arguments[1] || {});return new Effect.Opacity(element, options);};Effect.Puff = function (element) {element = $(element);var oldStyle = {opacity:element.getInlineOpacity(), position:element.getStyle("position"), top:element.style.top, left:element.style.left, width:element.style.width, height:element.style.height};return new Effect.Parallel([new Effect.Scale(element, 200, {sync:true, scaleFromCenter:true, scaleContent:true, restoreAfterFinish:true}), new Effect.Opacity(element, {sync:true, to:0})], Object.extend({duration:1, beforeSetupInternal:function (effect) {Position.absolutize(effect.effects[0].element);}, afterFinishInternal:function (effect) {effect.effects[0].element.hide().setStyle(oldStyle);}}, arguments[1] || {}));};Effect.BlindUp = function (element) {element = $(element);element.makeClipping();return new Effect.Scale(element, 0, Object.extend({scaleContent:false, scaleX:false, restoreAfterFinish:true, afterFinishInternal:function (effect) {effect.element.hide().undoClipping();}}, arguments[1] || {}));};Effect.BlindDown = function (element) {element = $(element);var elementDimensions = element.getDimensions();return new Effect.Scale(element, 100, Object.extend({scaleContent:false, scaleX:false, scaleFrom:0, scaleMode:{originalHeight:elementDimensions.height, originalWidth:elementDimensions.width}, restoreAfterFinish:true, afterSetup:function (effect) {effect.element.makeClipping().setStyle({height:"0px"}).show();}, afterFinishInternal:function (effect) {effect.element.undoClipping();}}, arguments[1] || {}));};Effect.SwitchOff = function (element) {element = $(element);var oldOpacity = element.getInlineOpacity();return new Effect.Appear(element, Object.extend({duration:0.4, from:0, transition:Effect.Transitions.flicker, afterFinishInternal:function (effect) {new Effect.Scale(effect.element, 1, {duration:0.3, scaleFromCenter:true, scaleX:false, scaleContent:false, restoreAfterFinish:true, beforeSetup:function (effect) {effect.element.makePositioned().makeClipping();}, afterFinishInternal:function (effect) {effect.element.hide().undoClipping().undoPositioned().setStyle({opacity:oldOpacity});}});}}, arguments[1] || {}));};Effect.DropOut = function (element) {element = $(element);var oldStyle = {top:element.getStyle("top"), left:element.getStyle("left"), opacity:element.getInlineOpacity()};return new Effect.Parallel([new Effect.Move(element, {x:0, y:100, sync:true}), new Effect.Opacity(element, {sync:true, to:0})], Object.extend({duration:0.5, beforeSetup:function (effect) {effect.effects[0].element.makePositioned();}, afterFinishInternal:function (effect) {effect.effects[0].element.hide().undoPositioned().setStyle(oldStyle);}}, arguments[1] || {}));};Effect.Shake = function (element) {element = $(element);var oldStyle = {top:element.getStyle("top"), left:element.getStyle("left")};return new Effect.Move(element, {x:20, y:0, duration:0.05, afterFinishInternal:function (effect) {new Effect.Move(effect.element, {x:-40, y:0, duration:0.1, afterFinishInternal:function (effect) {new Effect.Move(effect.element, {x:40, y:0, duration:0.1, afterFinishInternal:function (effect) {new Effect.Move(effect.element, {x:-40, y:0, duration:0.1, afterFinishInternal:function (effect) {new Effect.Move(effect.element, {x:40, y:0, duration:0.1, afterFinishInternal:function (effect) {new Effect.Move(effect.element, {x:-20, y:0, duration:0.05, afterFinishInternal:function (effect) {effect.element.undoPositioned().setStyle(oldStyle);}});}});}});}});}});}});};Effect.SlideDown = function (element) {element = $(element).cleanWhitespace();var oldInnerBottom = element.down().getStyle("bottom");var elementDimensions = element.getDimensions();return new Effect.Scale(element, 100, Object.extend({scaleContent:false, scaleX:false, scaleFrom:window.opera ? 0 : 1, scaleMode:{originalHeight:elementDimensions.height, originalWidth:elementDimensions.width}, restoreAfterFinish:true, afterSetup:function (effect) {effect.element.makePositioned();effect.element.down().makePositioned();if (window.opera) {effect.element.setStyle({top:""});}effect.element.makeClipping().setStyle({height:"0px"}).show();}, afterUpdateInternal:function (effect) {effect.element.down().setStyle({bottom:effect.dims[0] - effect.element.clientHeight + "px"});}, afterFinishInternal:function (effect) {effect.element.undoClipping().undoPositioned();effect.element.down().undoPositioned().setStyle({bottom:oldInnerBottom});}}, arguments[1] || {}));};Effect.SlideUp = function (element) {element = $(element).cleanWhitespace();var oldInnerBottom = element.down().getStyle("bottom");return new Effect.Scale(element, window.opera ? 0 : 1, Object.extend({scaleContent:false, scaleX:false, scaleMode:"box", scaleFrom:100, restoreAfterFinish:true, beforeStartInternal:function (effect) {effect.element.makePositioned();effect.element.down().makePositioned();if (window.opera) {effect.element.setStyle({top:""});}effect.element.makeClipping().show();}, afterUpdateInternal:function (effect) {effect.element.down().setStyle({bottom:effect.dims[0] - effect.element.clientHeight + "px"});}, afterFinishInternal:function (effect) {effect.element.hide().undoClipping().undoPositioned().setStyle({bottom:oldInnerBottom});effect.element.down().undoPositioned();}}, arguments[1] || {}));};Effect.Squish = function (element) {return new Effect.Scale(element, window.opera ? 1 : 0, {restoreAfterFinish:true, beforeSetup:function (effect) {effect.element.makeClipping();}, afterFinishInternal:function (effect) {effect.element.hide().undoClipping();}});};Effect.Grow = function (element) {element = $(element);var options = Object.extend({direction:"center", moveTransition:Effect.Transitions.sinoidal, scaleTransition:Effect.Transitions.sinoidal, opacityTransition:Effect.Transitions.full}, arguments[1] || {});var oldStyle = {top:element.style.top, left:element.style.left, height:element.style.height, width:element.style.width, opacity:element.getInlineOpacity()};var dims = element.getDimensions();var initialMoveX, initialMoveY;var moveX, moveY;switch (options.direction) {case "top-left":initialMoveX = initialMoveY = moveX = moveY = 0;break;case "top-right":initialMoveX = dims.width;initialMoveY = moveY = 0;moveX = - dims.width;break;case "bottom-left":initialMoveX = moveX = 0;initialMoveY = dims.height;moveY = - dims.height;break;case "bottom-right":initialMoveX = dims.width;initialMoveY = dims.height;moveX = - dims.width;moveY = - dims.height;break;case "center":initialMoveX = dims.width / 2;initialMoveY = dims.height / 2;moveX = - dims.width / 2;moveY = - dims.height / 2;break;default:;}return new Effect.Move(element, {x:initialMoveX, y:initialMoveY, duration:0.01, beforeSetup:function (effect) {effect.element.hide().makeClipping().makePositioned();}, afterFinishInternal:function (effect) {new Effect.Parallel([new Effect.Opacity(effect.element, {sync:true, to:1, from:0, transition:options.opacityTransition}), new Effect.Move(effect.element, {x:moveX, y:moveY, sync:true, transition:options.moveTransition}), new Effect.Scale(effect.element, 100, {scaleMode:{originalHeight:dims.height, originalWidth:dims.width}, sync:true, scaleFrom:window.opera ? 1 : 0, transition:options.scaleTransition, restoreAfterFinish:true})], Object.extend({beforeSetup:function (effect) {effect.effects[0].element.setStyle({height:"0px"}).show();}, afterFinishInternal:function (effect) {effect.effects[0].element.undoClipping().undoPositioned().setStyle(oldStyle);}}, options));}});};Effect.Shrink = function (element) {element = $(element);var options = Object.extend({direction:"center", moveTransition:Effect.Transitions.sinoidal, scaleTransition:Effect.Transitions.sinoidal, opacityTransition:Effect.Transitions.none}, arguments[1] || {});var oldStyle = {top:element.style.top, left:element.style.left, height:element.style.height, width:element.style.width, opacity:element.getInlineOpacity()};var dims = element.getDimensions();var moveX, moveY;switch (options.direction) {case "top-left":moveX = moveY = 0;break;case "top-right":moveX = dims.width;moveY = 0;break;case "bottom-left":moveX = 0;moveY = dims.height;break;case "bottom-right":moveX = dims.width;moveY = dims.height;break;case "center":moveX = dims.width / 2;moveY = dims.height / 2;break;default:;}return new Effect.Parallel([new Effect.Opacity(element, {sync:true, to:0, from:1, transition:options.opacityTransition}), new Effect.Scale(element, window.opera ? 1 : 0, {sync:true, transition:options.scaleTransition, restoreAfterFinish:true}), new Effect.Move(element, {x:moveX, y:moveY, sync:true, transition:options.moveTransition})], Object.extend({beforeStartInternal:function (effect) {effect.effects[0].element.makePositioned().makeClipping();}, afterFinishInternal:function (effect) {effect.effects[0].element.hide().undoClipping().undoPositioned().setStyle(oldStyle);}}, options));};Effect.Pulsate = function (element) {element = $(element);var options = arguments[1] || {};var oldOpacity = element.getInlineOpacity();var transition = options.transition || Effect.Transitions.sinoidal;var reverser = function (pos) {return transition(1 - Effect.Transitions.pulse(pos, options.pulses));};reverser.bind(transition);return new Effect.Opacity(element, Object.extend(Object.extend({duration:2, from:0, afterFinishInternal:function (effect) {effect.element.setStyle({opacity:oldOpacity});}}, options), {transition:reverser}));};Effect.Fold = function (element) {element = $(element);var oldStyle = {top:element.style.top, left:element.style.left, width:element.style.width, height:element.style.height};element.makeClipping();return new Effect.Scale(element, 5, Object.extend({scaleContent:false, scaleX:false, afterFinishInternal:function (effect) {new Effect.Scale(element, 1, {scaleContent:false, scaleY:false, afterFinishInternal:function (effect) {effect.element.hide().undoClipping().setStyle(oldStyle);}});}}, arguments[1] || {}));};Effect.Morph = Class.create();Object.extend(Object.extend(Effect.Morph.prototype, Effect.Base.prototype), {initialize:function (element) {this.element = $(element);if (!this.element) {throw Effect._elementDoesNotExistError;}var options = Object.extend({style:{}}, arguments[1] || {});if (typeof options.style == "string") {if (options.style.indexOf(":") == -1) {var cssText = "", selector = "." + options.style;$A(document.styleSheets).reverse().each(function (styleSheet) {if (styleSheet.cssRules) {cssRules = styleSheet.cssRules;} else if (styleSheet.rules) {cssRules = styleSheet.rules;}$A(cssRules).reverse().each(function (rule) {if (selector == rule.selectorText) {cssText = rule.style.cssText;throw $break;}});if (cssText) {throw $break;}});this.style = cssText.parseStyle();options.afterFinishInternal = function (effect) {effect.element.addClassName(effect.options.style);effect.transforms.each(function (transform) {if (transform.style != "opacity") {effect.element.style[transform.style] = "";}});};} else {this.style = options.style.parseStyle();}} else {this.style = $H(options.style);}this.start(options);}, setup:function () {
function parseColor(color) {if (!color || ["rgba(0, 0, 0, 0)", "transparent"].include(color)) {color = "#ffffff";}color = color.parseColor();return $R(0, 2).map(function (i) {return parseInt(color.slice(i * 2 + 1, i * 2 + 3), 16);});}
this.transforms = this.style.map((function (pair) {var property = pair[0], value = pair[1], unit = null;if (value.parseColor("#zzzzzz") != "#zzzzzz") {value = value.parseColor();unit = "color";} else if (property == "opacity") {value = parseFloat(value);if (Prototype.Browser.IE && !this.element.currentStyle.hasLayout) {this.element.setStyle({zoom:1});}} else if (Element.CSS_LENGTH.test(value)) {var components = value.match(/^([\+\-]?[0-9\.]+)(.*)$/);value = parseFloat(components[1]);unit = components.length == 3 ? components[2] : null;}var originalValue = this.element.getStyle(property);return {style:property.camelize(), originalValue:unit == "color" ? parseColor(originalValue) : parseFloat(originalValue || 0), targetValue:unit == "color" ? parseColor(value) : value, unit:unit};}).bind(this)).reject(function (transform) {return transform.originalValue == transform.targetValue || transform.unit != "color" && (isNaN(transform.originalValue) || isNaN(transform.targetValue));});}, update:function (position) {var style = {}, transform, i = this.transforms.length;while (i--) {style[(transform = this.transforms[i]).style] = transform.unit == "color" ? "#" + Math.round(transform.originalValue[0] + (transform.targetValue[0] - transform.originalValue[0]) * position).toColorPart() + Math.round(transform.originalValue[1] + (transform.targetValue[1] - transform.originalValue[1]) * position).toColorPart() + Math.round(transform.originalValue[2] + (transform.targetValue[2] - transform.originalValue[2]) * position).toColorPart() : transform.originalValue + Math.round((transform.targetValue - transform.originalValue) * position * 1000) / 1000 + transform.unit;}this.element.setStyle(style, true);}});Effect.Transform = Class.create();Object.extend(Effect.Transform.prototype, {initialize:function (tracks) {this.tracks = [];this.options = arguments[1] || {};this.addTracks(tracks);}, addTracks:function (tracks) {tracks.each((function (track) {var data = $H(track).values().first();this.tracks.push($H({ids:$H(track).keys().first(), effect:Effect.Morph, options:{style:data}}));}).bind(this));return this;}, play:function () {return new Effect.Parallel(this.tracks.map(function (track) {var elements = [$(track.ids) || $$(track.ids)].flatten();return elements.map(function (e) {return new track.effect(e, Object.extend({sync:true}, track.options));});}).flatten(), this.options);}});Element.CSS_PROPERTIES = $w("backgroundColor backgroundPosition borderBottomColor borderBottomStyle borderBottomWidth borderLeftColor borderLeftStyle borderLeftWidth borderRightColor borderRightStyle borderRightWidth borderSpacing borderTopColor borderTopStyle borderTopWidth bottom clip color fontSize fontWeight height left letterSpacing lineHeight marginBottom marginLeft marginRight marginTop markerOffset maxHeight maxWidth minHeight minWidth opacity outlineColor outlineOffset outlineWidth paddingBottom paddingLeft paddingRight paddingTop right textIndent top width wordSpacing zIndex");Element.CSS_LENGTH = /^(([\+\-]?[0-9\.]+)(em|ex|px|in|cm|mm|pt|pc|\%))|0$/;String.prototype.parseStyle = function () {var element = document.createElement("div");element.innerHTML = "<div style=\"" + this + "\"></div>";var style = element.childNodes[0].style, styleRules = $H();Element.CSS_PROPERTIES.each(function (property) {if (style[property]) {styleRules[property] = style[property];}});if (Prototype.Browser.IE && this.indexOf("opacity") > -1) {styleRules.opacity = this.match(/opacity:\s*((?:0|1)?(?:\.\d*)?)/)[1];}return styleRules;};Element.morph = function (element, style) {new Effect.Morph(element, Object.extend({style:style}, arguments[2] || {}));return element;};["getInlineOpacity", "forceRerendering", "setContentZoom", "collectTextNodes", "collectTextNodesIgnoreClass", "morph"].each(function (f) {Element.Methods[f] = Element[f];});Element.Methods.visualEffect = function (element, effect, options) {s = effect.dasherize().camelize();effect_class = s.charAt(0).toUpperCase() + s.substring(1);new Effect[effect_class](element, options);return $(element);};Element.addMethods();if (typeof Effect == "undefined") {throw "dragdrop.js requires including script.aculo.us' effects.js library";}var Droppables = {drops:[], remove:function (element) {this.drops = this.drops.reject(function (d) {return d.element == $(element);});}, add:function (element) {element = $(element);var options = Object.extend({greedy:true, hoverclass:null, tree:false}, arguments[1] || {});if (options.containment) {options._containers = [];var containment = options.containment;if (typeof containment == "object" && containment.constructor == Array) {containment.each(function (c) {options._containers.push($(c));});} else {options._containers.push($(containment));}}if (options.accept) {options.accept = [options.accept].flatten();}Element.makePositioned(element);options.element = element;this.drops.push(options);}, findDeepestChild:function (drops) {deepest = drops[0];for (i = 1; i < drops.length; ++i) {if (Element.isParent(drops[i].element, deepest.element)) {deepest = drops[i];}}return deepest;}, isContained:function (element, drop) {var containmentNode;if (drop.tree) {containmentNode = element.treeNode;} else {containmentNode = element.parentNode;}return drop._containers.detect(function (c) {return containmentNode == c;});}, isAffected:function (point, element, drop) {return drop.element != element && (!drop._containers || this.isContained(element, drop)) && (!drop.accept || Element.classNames(element).detect(function (v) {return drop.accept.include(v);})) && Position.within(drop.element, point[0], point[1]);}, deactivate:function (drop) {if (drop.hoverclass) {Element.removeClassName(drop.element, drop.hoverclass);}this.last_active = null;}, activate:function (drop) {if (drop.hoverclass) {Element.addClassName(drop.element, drop.hoverclass);}this.last_active = drop;}, show:function (point, element) {if (!this.drops.length) {return;}var affected = [];if (this.last_active) {this.deactivate(this.last_active);}this.drops.each(function (drop) {if (Droppables.isAffected(point, element, drop)) {affected.push(drop);}});if (affected.length > 0) {drop = Droppables.findDeepestChild(affected);Position.within(drop.element, point[0], point[1]);if (drop.onHover) {drop.onHover(element, drop.element, Position.overlap(drop.overlap, drop.element));}Droppables.activate(drop);}}, fire:function (event, element) {if (!this.last_active) {return;}Position.prepare();if (this.isAffected([Event.pointerX(event), Event.pointerY(event)], element, this.last_active)) {if (this.last_active.onDrop) {this.last_active.onDrop(element, this.last_active.element, event);return true;}}}, reset:function () {if (this.last_active) {this.deactivate(this.last_active);}}};var Draggables = {drags:[], observers:[], register:function (draggable) {if (this.drags.length == 0) {this.eventMouseUp = this.endDrag.bindAsEventListener(this);this.eventMouseMove = this.updateDrag.bindAsEventListener(this);this.eventKeypress = this.keyPress.bindAsEventListener(this);Event.observe(document, "mouseup", this.eventMouseUp);Event.observe(document, "mousemove", this.eventMouseMove);Event.observe(document, "keypress", this.eventKeypress);}this.drags.push(draggable);}, unregister:function (draggable) {this.drags = this.drags.reject(function (d) {return d == draggable;});if (this.drags.length == 0) {Event.stopObserving(document, "mouseup", this.eventMouseUp);Event.stopObserving(document, "mousemove", this.eventMouseMove);Event.stopObserving(document, "keypress", this.eventKeypress);}}, activate:function (draggable) {if (draggable.options.delay) {this._timeout = setTimeout((function () {Draggables._timeout = null;window.focus();Draggables.activeDraggable = draggable;}).bind(this), draggable.options.delay);} else {window.focus();this.activeDraggable = draggable;}}, deactivate:function () {this.activeDraggable = null;}, updateDrag:function (event) {if (!this.activeDraggable) {return;}var pointer = [Event.pointerX(event), Event.pointerY(event)];if (this._lastPointer && this._lastPointer.inspect() == pointer.inspect()) {return;}this._lastPointer = pointer;this.activeDraggable.updateDrag(event, pointer);}, endDrag:function (event) {if (this._timeout) {clearTimeout(this._timeout);this._timeout = null;}if (!this.activeDraggable) {return;}this._lastPointer = null;this.activeDraggable.endDrag(event);this.activeDraggable = null;}, keyPress:function (event) {if (this.activeDraggable) {this.activeDraggable.keyPress(event);}}, addObserver:function (observer) {this.observers.push(observer);this._cacheObserverCallbacks();}, removeObserver:function (element) {this.observers = this.observers.reject(function (o) {return o.element == element;});this._cacheObserverCallbacks();}, notify:function (eventName, draggable, event) {if (this[eventName + "Count"] > 0) {this.observers.each(function (o) {if (o[eventName]) {o[eventName](eventName, draggable, event);}});}if (draggable.options[eventName]) {draggable.options[eventName](draggable, event);}}, _cacheObserverCallbacks:function () {["onStart", "onEnd", "onDrag"].each(function (eventName) {Draggables[eventName + "Count"] = Draggables.observers.select(function (o) {return o[eventName];}).length;});}};var Draggable = Class.create();Draggable._dragging = {};Draggable.prototype = {initialize:function (element) {var defaults = {handle:false, reverteffect:function (element, top_offset, left_offset) {var dur = Math.sqrt(Math.abs(top_offset ^ 2) + Math.abs(left_offset ^ 2)) * 0.02;new Effect.Move(element, {x:- left_offset, y:- top_offset, duration:dur, queue:{scope:"_draggable", position:"end"}});}, endeffect:function (element) {var toOpacity = typeof element._opacity == "number" ? element._opacity : 1;new Effect.Opacity(element, {duration:0.2, from:0.7, to:toOpacity, queue:{scope:"_draggable", position:"end"}, afterFinish:function () {Draggable._dragging[element] = false;}});}, zindex:1000, revert:false, quiet:false, scroll:false, scrollSensitivity:20, scrollSpeed:15, snap:false, delay:0};if (!arguments[1] || typeof arguments[1].endeffect == "undefined") {Object.extend(defaults, {starteffect:function (element) {element._opacity = Element.getOpacity(element);Draggable._dragging[element] = true;new Effect.Opacity(element, {duration:0.2, from:element._opacity, to:0.7});}});}var options = Object.extend(defaults, arguments[1] || {});this.element = $(element);if (options.handle && typeof options.handle == "string") {this.handle = this.element.down("." + options.handle, 0);}if (!this.handle) {this.handle = $(options.handle);}if (!this.handle) {this.handle = this.element;}if (options.scroll && !options.scroll.scrollTo && !options.scroll.outerHTML) {options.scroll = $(options.scroll);this._isScrollChild = Element.childOf(this.element, options.scroll);}Element.makePositioned(this.element);this.delta = this.currentDelta();this.options = options;this.dragging = false;this.eventMouseDown = this.initDrag.bindAsEventListener(this);Event.observe(this.handle, "mousedown", this.eventMouseDown);Draggables.register(this);}, destroy:function () {Event.stopObserving(this.handle, "mousedown", this.eventMouseDown);Draggables.unregister(this);}, currentDelta:function () {return [parseInt(Element.getStyle(this.element, "left") || "0"), parseInt(Element.getStyle(this.element, "top") || "0")];}, initDrag:function (event) {if (typeof Draggable._dragging[this.element] != "undefined" && Draggable._dragging[this.element]) {return;}if (Event.isLeftClick(event)) {var src = Event.element(event);if ((tag_name = src.tagName.toUpperCase()) && (tag_name == "INPUT" || tag_name == "SELECT" || tag_name == "OPTION" || tag_name == "BUTTON" || tag_name == "TEXTAREA")) {return;}var pointer = [Event.pointerX(event), Event.pointerY(event)];var pos = Position.cumulativeOffset(this.element);this.offset = [0, 1].map(function (i) {return pointer[i] - pos[i];});Draggables.activate(this);Event.stop(event);}}, startDrag:function (event) {this.dragging = true;if (this.options.zindex) {this.originalZ = parseInt(Element.getStyle(this.element, "z-index") || 0);this.element.style.zIndex = this.options.zindex;}if (this.options.ghosting) {this._clone = this.element.cloneNode(true);Position.absolutize(this.element);this.element.parentNode.insertBefore(this._clone, this.element);}if (this.options.scroll) {if (this.options.scroll == window) {var where = this._getWindowScroll(this.options.scroll);this.originalScrollLeft = where.left;this.originalScrollTop = where.top;} else {this.originalScrollLeft = this.options.scroll.scrollLeft;this.originalScrollTop = this.options.scroll.scrollTop;}}Draggables.notify("onStart", this, event);if (this.options.starteffect) {this.options.starteffect(this.element);}}, updateDrag:function (event, pointer) {if (!this.dragging) {this.startDrag(event);}if (!this.options.quiet) {Position.prepare();Droppables.show(pointer, this.element);}Draggables.notify("onDrag", this, event);this.draw(pointer);if (this.options.change) {this.options.change(this);}if (this.options.scroll) {this.stopScrolling();var p;if (this.options.scroll == window) {with (this._getWindowScroll(this.options.scroll)) {p = [left, top, left + width, top + height];}} else {p = Position.page(this.options.scroll);p[0] += this.options.scroll.scrollLeft + Position.deltaX;p[1] += this.options.scroll.scrollTop + Position.deltaY;p.push(p[0] + this.options.scroll.offsetWidth);p.push(p[1] + this.options.scroll.offsetHeight);}var speed = [0, 0];if (pointer[0] < p[0] + this.options.scrollSensitivity) {speed[0] = pointer[0] - (p[0] + this.options.scrollSensitivity);}if (pointer[1] < p[1] + this.options.scrollSensitivity) {speed[1] = pointer[1] - (p[1] + this.options.scrollSensitivity);}if (pointer[0] > p[2] - this.options.scrollSensitivity) {speed[0] = pointer[0] - (p[2] - this.options.scrollSensitivity);}if (pointer[1] > p[3] - this.options.scrollSensitivity) {speed[1] = pointer[1] - (p[3] - this.options.scrollSensitivity);}this.startScrolling(speed);}if (Prototype.Browser.WebKit) {window.scrollBy(0, 0);}Event.stop(event);}, finishDrag:function (event, success) {this.dragging = false;if (this.options.quiet) {Position.prepare();var pointer = [Event.pointerX(event), Event.pointerY(event)];Droppables.show(pointer, this.element);}if (this.options.ghosting) {Position.relativize(this.element);Element.remove(this._clone);this._clone = null;}var dropped = false;if (success) {dropped = Droppables.fire(event, this.element);if (!dropped) {dropped = false;}}if (dropped && this.options.onDropped) {this.options.onDropped(this.element);}Draggables.notify("onEnd", this, event);var revert = this.options.revert;if (revert && typeof revert == "function") {revert = revert(this.element);}var d = this.currentDelta();if (revert && this.options.reverteffect) {if (dropped == 0 || revert != "failure") {this.options.reverteffect(this.element, d[1] - this.delta[1], d[0] - this.delta[0]);}} else {this.delta = d;}if (this.options.zindex) {this.element.style.zIndex = this.originalZ;}if (this.options.endeffect) {this.options.endeffect(this.element);}Draggables.deactivate(this);Droppables.reset();}, keyPress:function (event) {if (event.keyCode != Event.KEY_ESC) {return;}this.finishDrag(event, false);Event.stop(event);}, endDrag:function (event) {if (!this.dragging) {return;}this.stopScrolling();this.finishDrag(event, true);Event.stop(event);}, draw:function (point) {var pos = Position.cumulativeOffset(this.element);if (this.options.ghosting) {var r = Position.realOffset(this.element);pos[0] += r[0] - Position.deltaX;pos[1] += r[1] - Position.deltaY;}var d = this.currentDelta();pos[0] -= d[0];pos[1] -= d[1];if (this.options.scroll && this.options.scroll != window && this._isScrollChild) {pos[0] -= this.options.scroll.scrollLeft - this.originalScrollLeft;pos[1] -= this.options.scroll.scrollTop - this.originalScrollTop;}var p = [0, 1].map((function (i) {return point[i] - pos[i] - this.offset[i];}).bind(this));if (this.options.snap) {if (typeof this.options.snap == "function") {p = this.options.snap(p[0], p[1], this);} else {if (this.options.snap instanceof Array) {p = p.map((function (v, i) {return Math.round(v / this.options.snap[i]) * this.options.snap[i];}).bind(this));} else {p = p.map((function (v) {return Math.round(v / this.options.snap) * this.options.snap;}).bind(this));}}}var style = this.element.style;if (!this.options.constraint || this.options.constraint == "horizontal") {style.left = p[0] + "px";}if (!this.options.constraint || this.options.constraint == "vertical") {style.top = p[1] + "px";}if (style.visibility == "hidden") {style.visibility = "";}}, stopScrolling:function () {if (this.scrollInterval) {clearInterval(this.scrollInterval);this.scrollInterval = null;Draggables._lastScrollPointer = null;}}, startScrolling:function (speed) {if (!(speed[0] || speed[1])) {return;}this.scrollSpeed = [speed[0] * this.options.scrollSpeed, speed[1] * this.options.scrollSpeed];this.lastScrolled = new Date;this.scrollInterval = setInterval(this.scroll.bind(this), 10);}, scroll:function () {var current = new Date;var delta = current - this.lastScrolled;this.lastScrolled = current;if (this.options.scroll == window) {with (this._getWindowScroll(this.options.scroll)) {if (this.scrollSpeed[0] || this.scrollSpeed[1]) {var d = delta / 1000;this.options.scroll.scrollTo(left + d * this.scrollSpeed[0], top + d * this.scrollSpeed[1]);}}} else {this.options.scroll.scrollLeft += this.scrollSpeed[0] * delta / 1000;this.options.scroll.scrollTop += this.scrollSpeed[1] * delta / 1000;}Position.prepare();Droppables.show(Draggables._lastPointer, this.element);Draggables.notify("onDrag", this);if (this._isScrollChild) {Draggables._lastScrollPointer = Draggables._lastScrollPointer || $A(Draggables._lastPointer);Draggables._lastScrollPointer[0] += this.scrollSpeed[0] * delta / 1000;Draggables._lastScrollPointer[1] += this.scrollSpeed[1] * delta / 1000;if (Draggables._lastScrollPointer[0] < 0) {Draggables._lastScrollPointer[0] = 0;}if (Draggables._lastScrollPointer[1] < 0) {Draggables._lastScrollPointer[1] = 0;}this.draw(Draggables._lastScrollPointer);}if (this.options.change) {this.options.change(this);}}, _getWindowScroll:function (w) {var T, L, W, H;with (w.document) {if (w.document.documentElement && documentElement.scrollTop) {T = documentElement.scrollTop;L = documentElement.scrollLeft;} else if (w.document.body) {T = body.scrollTop;L = body.scrollLeft;}if (w.innerWidth) {W = w.innerWidth;H = w.innerHeight;} else if (w.document.documentElement && documentElement.clientWidth) {W = documentElement.clientWidth;H = documentElement.clientHeight;} else {W = body.offsetWidth;H = body.offsetHeight;}}return {top:T, left:L, width:W, height:H};}};var SortableObserver = Class.create();SortableObserver.prototype = {initialize:function (element, observer) {this.element = $(element);this.observer = observer;this.lastValue = Sortable.serialize(this.element);}, onStart:function () {this.lastValue = Sortable.serialize(this.element);}, onEnd:function () {Sortable.unmark();if (this.lastValue != Sortable.serialize(this.element)) {this.observer(this.element);}}};var Sortable = {SERIALIZE_RULE:/^[^_\-](?:[A-Za-z0-9\-\_]*)[_](.*)$/, sortables:{}, _findRootElement:function (element) {while (element.tagName.toUpperCase() != "BODY") {if (element.id && Sortable.sortables[element.id]) {return element;}element = element.parentNode;}}, options:function (element) {element = Sortable._findRootElement($(element));if (!element) {return;}return Sortable.sortables[element.id];}, destroy:function (element) {var s = Sortable.options(element);if (s) {Draggables.removeObserver(s.element);s.droppables.each(function (d) {Droppables.remove(d);});s.draggables.invoke("destroy");delete Sortable.sortables[s.element.id];}}, create:function (element) {element = $(element);var options = Object.extend({element:element, tag:"li", dropOnEmpty:false, tree:false, treeTag:"ul", overlap:"vertical", constraint:"vertical", containment:element, 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(element);var options_for_draggable = {revert:true, quiet:options.quiet, scroll:options.scroll, scrollSpeed:options.scrollSpeed, scrollSensitivity:options.scrollSensitivity, delay:options.delay, ghosting:options.ghosting, constraint:options.constraint, handle:options.handle};if (options.starteffect) {options_for_draggable.starteffect = options.starteffect;}if (options.reverteffect) {options_for_draggable.reverteffect = options.reverteffect;} else if (options.ghosting) {options_for_draggable.reverteffect = function (element) {element.style.top = 0;element.style.left = 0;};}if (options.endeffect) {options_for_draggable.endeffect = options.endeffect;}if (options.zindex) {options_for_draggable.zindex = options.zindex;}var options_for_droppable = {overlap:options.overlap, containment:options.containment, tree:options.tree, hoverclass:options.hoverclass, onHover:Sortable.onHover};var options_for_tree = {onHover:Sortable.onEmptyHover, overlap:options.overlap, containment:options.containment, hoverclass:options.hoverclass};Element.cleanWhitespace(element);options.draggables = [];options.droppables = [];if (options.dropOnEmpty || options.tree) {Droppables.add(element, options_for_tree);options.droppables.push(element);}(options.elements || this.findElements(element, options) || []).each(function (e, i) {var handle = options.handles ? $(options.handles[i]) : options.handle ? $(e).getElementsByClassName(options.handle)[0] : e;options.draggables.push(new Draggable(e, Object.extend(options_for_draggable, {handle:handle})));Droppables.add(e, options_for_droppable);if (options.tree) {e.treeNode = element;}options.droppables.push(e);});if (options.tree) {(Sortable.findTreeElements(element, options) || []).each(function (e) {Droppables.add(e, options_for_tree);e.treeNode = element;options.droppables.push(e);});}this.sortables[element.id] = options;Draggables.addObserver(new SortableObserver(element, options.onUpdate));}, findElements:function (element, options) {return Element.findChildren(element, options.only, options.tree ? true : false, options.tag);}, findTreeElements:function (element, options) {return Element.findChildren(element, options.only, options.tree ? true : false, options.treeTag);}, onHover:function (element, dropon, overlap) {if (Element.isParent(dropon, element)) {return;}if (overlap > 0.33 && overlap < 0.66 && Sortable.options(dropon).tree) {return;} else if (overlap > 0.5) {Sortable.mark(dropon, "before");if (dropon.previousSibling != element) {var oldParentNode = element.parentNode;element.style.visibility = "hidden";dropon.parentNode.insertBefore(element, dropon);if (dropon.parentNode != oldParentNode) {Sortable.options(oldParentNode).onChange(element);}Sortable.options(dropon.parentNode).onChange(element);}} else {Sortable.mark(dropon, "after");var nextElement = dropon.nextSibling || null;if (nextElement != element) {var oldParentNode = element.parentNode;element.style.visibility = "hidden";dropon.parentNode.insertBefore(element, nextElement);if (dropon.parentNode != oldParentNode) {Sortable.options(oldParentNode).onChange(element);}Sortable.options(dropon.parentNode).onChange(element);}}}, onEmptyHover:function (element, dropon, overlap) {var oldParentNode = element.parentNode;var droponOptions = Sortable.options(dropon);if (!Element.isParent(dropon, element)) {var index;var children = Sortable.findElements(dropon, {tag:droponOptions.tag, only:droponOptions.only});var child = null;if (children) {var offset = Element.offsetSize(dropon, droponOptions.overlap) * (1 - overlap);for (index = 0; index < children.length; index += 1) {if (offset - Element.offsetSize(children[index], droponOptions.overlap) >= 0) {offset -= Element.offsetSize(children[index], droponOptions.overlap);} else if (offset - Element.offsetSize(children[index], droponOptions.overlap) / 2 >= 0) {child = index + 1 < children.length ? children[index + 1] : null;break;} else {child = children[index];break;}}}dropon.insertBefore(element, child);Sortable.options(oldParentNode).onChange(element);droponOptions.onChange(element);}}, unmark:function () {if (Sortable._marker) {Sortable._marker.hide();}}, mark:function (dropon, position) {var sortable = Sortable.options(dropon.parentNode);if (sortable && !sortable.ghosting) {return;}if (!Sortable._marker) {Sortable._marker = ($("dropmarker") || Element.extend(document.createElement("DIV"))).hide().addClassName("dropmarker").setStyle({position:"absolute"});document.getElementsByTagName("body").item(0).appendChild(Sortable._marker);}var offsets = Position.cumulativeOffset(dropon);Sortable._marker.setStyle({left:offsets[0] + "px", top:offsets[1] + "px"});if (position == "after") {if (sortable.overlap == "horizontal") {Sortable._marker.setStyle({left:offsets[0] + dropon.clientWidth + "px"});} else {Sortable._marker.setStyle({top:offsets[1] + dropon.clientHeight + "px"});}}Sortable._marker.show();}, _tree:function (element, options, parent) {var children = Sortable.findElements(element, options) || [];for (var i = 0; i < children.length; ++i) {var match = children[i].id.match(options.format);if (!match) {continue;}var child = {id:encodeURIComponent(match ? match[1] : null), element:element, parent:parent, children:[], position:parent.children.length, container:$(children[i]).down(options.treeTag)};if (child.container) {this._tree(child.container, options, child);}parent.children.push(child);}return parent;}, tree:function (element) {element = $(element);var sortableOptions = this.options(element);var options = Object.extend({tag:sortableOptions.tag, treeTag:sortableOptions.treeTag, only:sortableOptions.only, name:element.id, format:sortableOptions.format}, arguments[1] || {});var root = {id:null, parent:null, children:[], container:element, position:0};return Sortable._tree(element, options, root);}, _constructIndex:function (node) {var index = "";do {if (node.id) {index = "[" + node.position + "]" + index;}} while ((node = node.parent) != null);return index;}, sequence:function (element) {element = $(element);var options = Object.extend(this.options(element), arguments[1] || {});return $(this.findElements(element, options) || []).map(function (item) {return item.id.match(options.format) ? item.id.match(options.format)[1] : "";});}, setSequence:function (element, new_sequence) {element = $(element);var options = Object.extend(this.options(element), arguments[2] || {});var nodeMap = {};this.findElements(element, options).each(function (n) {if (n.id.match(options.format)) {nodeMap[n.id.match(options.format)[1]] = [n, n.parentNode];}n.parentNode.removeChild(n);});new_sequence.each(function (ident) {var n = nodeMap[ident];if (n) {n[1].appendChild(n[0]);delete nodeMap[ident];}});}, serialize:function (element) {element = $(element);var options = Object.extend(Sortable.options(element), arguments[1] || {});var name = encodeURIComponent(arguments[1] && arguments[1].name ? arguments[1].name : element.id);if (options.tree) {return Sortable.tree(element, arguments[1]).children.map(function (item) {return [name + Sortable._constructIndex(item) + "[id]=" + encodeURIComponent(item.id)].concat(item.children.map(arguments.callee));}).flatten().join("&");} else {return Sortable.sequence(element, arguments[1]).map(function (item) {return name + "[]=" + encodeURIComponent(item);}).join("&");}}};Element.isParent = function (child, element) {if (!child.parentNode || child == element) {return false;}if (child.parentNode == element) {return true;}return Element.isParent(child.parentNode, element);};Element.findChildren = function (element, only, recursive, tagName) {if (!element.hasChildNodes()) {return null;}tagName = tagName.toUpperCase();if (only) {only = [only].flatten();}var elements = [];$A(element.childNodes).each(function (e) {if (e.tagName && e.tagName.toUpperCase() == tagName && (!only || Element.classNames(e).detect(function (v) {return only.include(v);}))) {elements.push(e);}if (recursive) {var grandchildren = Element.findChildren(e, only, recursive, tagName);if (grandchildren) {elements.push(grandchildren);}}});return elements.length > 0 ? elements.flatten() : [];};Element.offsetSize = function (element, type) {return element["offset" + (type == "vertical" || type == "height" ? "Height" : "Width")];};if (typeof Effect == "undefined") {throw "controls.js requires including script.aculo.us' effects.js library";}var Autocompleter = {};Autocompleter.Base = function () {};Autocompleter.Base.prototype = {baseInitialize:function (element, update, options) {element = $(element);this.element = element;this.update = $(update);this.hasFocus = false;this.changed = false;this.active = false;this.index = 0;this.entryCount = 0;if (this.setOptions) {this.setOptions(options);} else {this.options = options || {};}this.options.paramName = this.options.paramName || this.element.name;this.options.tokens = this.options.tokens || [];this.options.frequency = this.options.frequency || 0.4;this.options.minChars = this.options.minChars || 1;this.options.onShow = this.options.onShow || function (element, update) {if (!update.style.position || update.style.position == "absolute") {update.style.position = "absolute";Position.clone(element, update, {setHeight:false, offsetTop:element.offsetHeight});}Effect.Appear(update, {duration:0.15});};this.options.onHide = this.options.onHide || function (element, update) {new Effect.Fade(update, {duration:0.15});};if (typeof this.options.tokens == "string") {this.options.tokens = new Array(this.options.tokens);}this.observer = null;this.element.setAttribute("autocomplete", "off");Element.hide(this.update);Event.observe(this.element, "blur", this.onBlur.bindAsEventListener(this));Event.observe(this.element, "keypress", this.onKeyPress.bindAsEventListener(this));Event.observe(window, "beforeunload", function () {element.setAttribute("autocomplete", "on");});}, show:function () {if (Element.getStyle(this.update, "display") == "none") {this.options.onShow(this.element, this.update);}if (!this.iefix && Prototype.Browser.IE && Element.getStyle(this.update, "position") == "absolute") {new Insertion.After(this.update, "<iframe id=\"" + this.update.id + "_iefix\" " + "style=\"display:none;position:absolute;filter:progid:DXImageTransform.Microsoft.Alpha(opacity=0);\" " + "src=\"javascript:false;\" frameborder=\"0\" scrolling=\"no\"></iframe>");this.iefix = $(this.update.id + "_iefix");}if (this.iefix) {setTimeout(this.fixIEOverlapping.bind(this), 50);}}, fixIEOverlapping:function () {Position.clone(this.update, this.iefix, {setTop:!this.update.style.height});this.iefix.style.zIndex = 1;this.update.style.zIndex = 2;Element.show(this.iefix);}, hide:function () {this.stopIndicator();if (Element.getStyle(this.update, "display") != "none") {this.options.onHide(this.element, this.update);}if (this.iefix) {Element.hide(this.iefix);}}, startIndicator:function () {if (this.options.indicator) {Element.show(this.options.indicator);}}, stopIndicator:function () {if (this.options.indicator) {Element.hide(this.options.indicator);}}, onKeyPress:function (event) {if (this.active) {switch (event.keyCode) {case Event.KEY_TAB:case Event.KEY_RETURN:this.selectEntry();Event.stop(event);case Event.KEY_ESC:this.hide();this.active = false;Event.stop(event);return;case Event.KEY_LEFT:case Event.KEY_RIGHT:return;case Event.KEY_UP:this.markPrevious();this.render();if (Prototype.Browser.WebKit) {Event.stop(event);}return;case Event.KEY_DOWN:this.markNext();this.render();if (Prototype.Browser.WebKit) {Event.stop(event);}return;default:;}} else if (event.keyCode == Event.KEY_TAB || event.keyCode == Event.KEY_RETURN || Prototype.Browser.WebKit > 0 && event.keyCode == 0) {return;}this.changed = true;this.hasFocus = true;if (this.observer) {clearTimeout(this.observer);}this.observer = setTimeout(this.onObserverEvent.bind(this), this.options.frequency * 1000);}, activate:function () {this.changed = false;this.hasFocus = true;this.getUpdatedChoices();}, onHover:function (event) {var element = Event.findElement(event, "LI");if (this.index != element.autocompleteIndex) {this.index = element.autocompleteIndex;this.render();}Event.stop(event);}, onClick:function (event) {var element = Event.findElement(event, "LI");this.index = element.autocompleteIndex;this.selectEntry();this.hide();}, onBlur:function (event) {setTimeout(this.hide.bind(this), 250);this.hasFocus = false;this.active = false;}, render:function () {if (this.entryCount > 0) {for (var i = 0; i < this.entryCount; i++) {this.index == i ? Element.addClassName(this.getEntry(i), "selected") : Element.removeClassName(this.getEntry(i), "selected");}if (this.hasFocus) {this.show();this.active = true;}} else {this.active = false;this.hide();}}, markPrevious:function () {if (this.index > 0) {this.index--;} else {this.index = this.entryCount - 1;}this.getEntry(this.index).scrollIntoView(true);}, markNext:function () {if (this.index < this.entryCount - 1) {this.index++;} else {this.index = 0;}this.getEntry(this.index).scrollIntoView(false);}, getEntry:function (index) {return this.update.firstChild.childNodes[index];}, getCurrentEntry:function () {return this.getEntry(this.index);}, selectEntry:function () {this.active = false;this.updateElement(this.getCurrentEntry());}, updateElement:function (selectedElement) {if (this.options.updateElement) {this.options.updateElement(selectedElement);return;}var value = "";if (this.options.select) {var nodes = document.getElementsByClassName(this.options.select, selectedElement) || [];if (nodes.length > 0) {value = Element.collectTextNodes(nodes[0], this.options.select);}} else {value = Element.collectTextNodesIgnoreClass(selectedElement, "informal");}var lastTokenPos = this.findLastToken();if (lastTokenPos != -1) {var newValue = this.element.value.substr(0, lastTokenPos + 1);var whitespace = this.element.value.substr(lastTokenPos + 1).match(/^\s+/);if (whitespace) {newValue += whitespace[0];}this.element.value = newValue + value;} else {this.element.value = value;}this.element.focus();if (this.options.afterUpdateElement) {this.options.afterUpdateElement(this.element, selectedElement);}}, updateChoices:function (choices) {if (!this.changed && this.hasFocus) {this.update.innerHTML = choices;Element.cleanWhitespace(this.update);Element.cleanWhitespace(this.update.down());if (this.update.firstChild && this.update.down().childNodes) {this.entryCount = this.update.down().childNodes.length;for (var i = 0; i < this.entryCount; i++) {var entry = this.getEntry(i);entry.autocompleteIndex = i;this.addObservers(entry);}} else {this.entryCount = 0;}this.stopIndicator();this.index = 0;if (this.entryCount == 1 && this.options.autoSelect) {this.selectEntry();this.hide();} else {this.render();}}}, addObservers:function (element) {Event.observe(element, "mouseover", this.onHover.bindAsEventListener(this));Event.observe(element, "click", this.onClick.bindAsEventListener(this));}, onObserverEvent:function () {this.changed = false;if (this.getToken().length >= this.options.minChars) {this.getUpdatedChoices();} else {this.active = false;this.hide();}}, getToken:function () {var tokenPos = this.findLastToken();if (tokenPos != -1) {var ret = this.element.value.substr(tokenPos + 1).replace(/^\s+/, "").replace(/\s+$/, "");} else {var ret = this.element.value;}return /\n/.test(ret) ? "" : ret;}, findLastToken:function () {var lastTokenPos = -1;for (var i = 0; i < this.options.tokens.length; i++) {var thisTokenPos = this.element.value.lastIndexOf(this.options.tokens[i]);if (thisTokenPos > lastTokenPos) {lastTokenPos = thisTokenPos;}}return lastTokenPos;}};Ajax.Autocompleter = Class.create();Object.extend(Object.extend(Ajax.Autocompleter.prototype, Autocompleter.Base.prototype), {initialize:function (element, update, url, options) {this.baseInitialize(element, update, options);this.options.asynchronous = true;this.options.onComplete = this.onComplete.bind(this);this.options.defaultParams = this.options.parameters || null;this.url = url;}, getUpdatedChoices:function () {this.startIndicator();var entry = encodeURIComponent(this.options.paramName) + "=" + encodeURIComponent(this.getToken());this.options.parameters = this.options.callback ? this.options.callback(this.element, entry) : entry;if (this.options.defaultParams) {this.options.parameters += "&" + this.options.defaultParams;}new Ajax.Request(this.url, this.options);}, onComplete:function (request) {this.updateChoices(request.responseText);}});Autocompleter.Local = Class.create();Autocompleter.Local.prototype = Object.extend(new Autocompleter.Base, {initialize:function (element, update, array, options) {this.baseInitialize(element, update, options);this.options.array = array;}, getUpdatedChoices:function () {this.updateChoices(this.options.selector(this));}, setOptions:function (options) {this.options = Object.extend({choices:10, partialSearch:true, partialChars:2, ignoreCase:true, fullSearch:false, selector:function (instance) {var ret = [];var partial = [];var entry = instance.getToken();var count = 0;for (var i = 0; i < instance.options.array.length && ret.length < instance.options.choices; i++) {var elem = instance.options.array[i];var foundPos = instance.options.ignoreCase ? elem.toLowerCase().indexOf(entry.toLowerCase()) : elem.indexOf(entry);while (foundPos != -1) {if (foundPos == 0 && elem.length != entry.length) {ret.push("<li><strong>" + elem.substr(0, entry.length) + "</strong>" + elem.substr(entry.length) + "</li>");break;} else if (entry.length >= instance.options.partialChars && instance.options.partialSearch && foundPos != -1) {if (instance.options.fullSearch || /\s/.test(elem.substr(foundPos - 1, 1))) {partial.push("<li>" + elem.substr(0, foundPos) + "<strong>" + elem.substr(foundPos, entry.length) + "</strong>" + elem.substr(foundPos + entry.length) + "</li>");break;}}foundPos = instance.options.ignoreCase ? elem.toLowerCase().indexOf(entry.toLowerCase(), foundPos + 1) : elem.indexOf(entry, foundPos + 1);}}if (partial.length) {ret = ret.concat(partial.slice(0, instance.options.choices - ret.length));}return "<ul>" + ret.join("") + "</ul>";}}, options || {});}});Field.scrollFreeActivate = function (field) {setTimeout(function () {Field.activate(field);}, 1);};Ajax.InPlaceEditor = Class.create();Ajax.InPlaceEditor.defaultHighlightColor = "#FFFF99";Ajax.InPlaceEditor.prototype = {initialize:function (element, url, options) {this.url = url;this.element = $(element);this.options = Object.extend({paramName:"value", okButton:true, okLink:false, okText:"ok", cancelButton:false, cancelLink:true, cancelText:"cancel", textBeforeControls:"", textBetweenControls:"", textAfterControls:"", savingText:"Saving...", clickToEditText:"Click to edit", okText:"ok", rows:1, onComplete:function (transport, element) {new Effect.Highlight(element, {startcolor:this.options.highlightcolor});}, onFailure:function (transport) {alert("Error communicating with the server: " + transport.responseText.stripTags());}, callback:function (form) {return Form.serialize(form);}, handleLineBreaks:true, loadingText:"Loading...", savingClassName:"inplaceeditor-saving", loadingClassName:"inplaceeditor-loading", formClassName:"inplaceeditor-form", highlightcolor:Ajax.InPlaceEditor.defaultHighlightColor, highlightendcolor:"#FFFFFF", externalControl:null, submitOnBlur:false, ajaxOptions:{}, evalScripts:false}, options || {});if (!this.options.formId && this.element.id) {this.options.formId = this.element.id + "-inplaceeditor";if ($(this.options.formId)) {this.options.formId = null;}}if (this.options.externalControl) {this.options.externalControl = $(this.options.externalControl);}this.originalBackground = Element.getStyle(this.element, "background-color");if (!this.originalBackground) {this.originalBackground = "transparent";}this.element.title = this.options.clickToEditText;this.onclickListener = this.enterEditMode.bindAsEventListener(this);this.mouseoverListener = this.enterHover.bindAsEventListener(this);this.mouseoutListener = this.leaveHover.bindAsEventListener(this);Event.observe(this.element, "click", this.onclickListener);Event.observe(this.element, "mouseover", this.mouseoverListener);Event.observe(this.element, "mouseout", this.mouseoutListener);if (this.options.externalControl) {Event.observe(this.options.externalControl, "click", this.onclickListener);Event.observe(this.options.externalControl, "mouseover", this.mouseoverListener);Event.observe(this.options.externalControl, "mouseout", this.mouseoutListener);}}, enterEditMode:function (evt) {if (this.saving) {return;}if (this.editing) {return;}this.editing = true;this.onEnterEditMode();if (this.options.externalControl) {Element.hide(this.options.externalControl);}Element.hide(this.element);this.createForm();this.element.parentNode.insertBefore(this.form, this.element);if (!this.options.loadTextURL) {Field.scrollFreeActivate(this.editField);}if (evt) {Event.stop(evt);}return false;}, createForm:function () {this.form = document.createElement("form");this.form.id = this.options.formId;Element.addClassName(this.form, this.options.formClassName);this.form.onsubmit = this.onSubmit.bind(this);this.createEditField();if (this.options.textarea) {var br = document.createElement("br");this.form.appendChild(br);}if (this.options.textBeforeControls) {this.form.appendChild(document.createTextNode(this.options.textBeforeControls));}if (this.options.okButton) {var okButton = document.createElement("input");okButton.type = "submit";okButton.value = this.options.okText;okButton.className = "editor_ok_button";this.form.appendChild(okButton);}if (this.options.okLink) {var okLink = document.createElement("a");okLink.href = "#";okLink.appendChild(document.createTextNode(this.options.okText));okLink.onclick = this.onSubmit.bind(this);okLink.className = "editor_ok_link";this.form.appendChild(okLink);}if (this.options.textBetweenControls && (this.options.okLink || this.options.okButton) && (this.options.cancelLink || this.options.cancelButton)) {this.form.appendChild(document.createTextNode(this.options.textBetweenControls));}if (this.options.cancelButton) {var cancelButton = document.createElement("input");cancelButton.type = "submit";cancelButton.value = this.options.cancelText;cancelButton.onclick = this.onclickCancel.bind(this);cancelButton.className = "editor_cancel_button";this.form.appendChild(cancelButton);}if (this.options.cancelLink) {var cancelLink = document.createElement("a");cancelLink.href = "#";cancelLink.appendChild(document.createTextNode(this.options.cancelText));cancelLink.onclick = this.onclickCancel.bind(this);cancelLink.className = "editor_cancel editor_cancel_link";this.form.appendChild(cancelLink);}if (this.options.textAfterControls) {this.form.appendChild(document.createTextNode(this.options.textAfterControls));}}, hasHTMLLineBreaks:function (string) {if (!this.options.handleLineBreaks) {return false;}return string.match(/<br/i) || string.match(/<p>/i);}, convertHTMLLineBreaks:function (string) {return string.replace(/<br>/gi, "\n").replace(/<br\/>/gi, "\n").replace(/<\/p>/gi, "\n").replace(/<p>/gi, "");}, createEditField:function () {var text;if (this.options.loadTextURL) {text = this.options.loadingText;} else {text = this.getText();}var obj = this;if (this.options.rows == 1 && !this.hasHTMLLineBreaks(text)) {this.options.textarea = false;var textField = document.createElement("input");textField.obj = this;textField.type = "text";textField.name = this.options.paramName;textField.value = text;textField.style.backgroundColor = this.options.highlightcolor;textField.className = "editor_field";var size = this.options.size || this.options.cols || 0;if (size != 0) {textField.size = size;}if (this.options.submitOnBlur) {textField.onblur = this.onSubmit.bind(this);}this.editField = textField;} else {this.options.textarea = true;var textArea = document.createElement("textarea");textArea.obj = this;textArea.name = this.options.paramName;textArea.value = this.convertHTMLLineBreaks(text);textArea.rows = this.options.rows;textArea.cols = this.options.cols || 40;textArea.className = "editor_field";if (this.options.submitOnBlur) {textArea.onblur = this.onSubmit.bind(this);}this.editField = textArea;}if (this.options.loadTextURL) {this.loadExternalText();}this.form.appendChild(this.editField);}, getText:function () {return this.element.innerHTML;}, loadExternalText:function () {Element.addClassName(this.form, this.options.loadingClassName);this.editField.disabled = true;new Ajax.Request(this.options.loadTextURL, Object.extend({asynchronous:true, onComplete:this.onLoadedExternalText.bind(this)}, this.options.ajaxOptions));}, onLoadedExternalText:function (transport) {Element.removeClassName(this.form, this.options.loadingClassName);this.editField.disabled = false;this.editField.value = transport.responseText.stripTags();Field.scrollFreeActivate(this.editField);}, onclickCancel:function () {this.onComplete();this.leaveEditMode();return false;}, onFailure:function (transport) {this.options.onFailure(transport);if (this.oldInnerHTML) {this.element.innerHTML = this.oldInnerHTML;this.oldInnerHTML = null;}return false;}, onSubmit:function () {var form = this.form;var value = this.editField.value;this.onLoading();if (this.options.evalScripts) {new Ajax.Request(this.url, Object.extend({parameters:this.options.callback(form, value), onComplete:this.onComplete.bind(this), onFailure:this.onFailure.bind(this), asynchronous:true, evalScripts:true}, this.options.ajaxOptions));} else {new Ajax.Updater({success:this.element, failure:null}, this.url, Object.extend({parameters:this.options.callback(form, value), onComplete:this.onComplete.bind(this), onFailure:this.onFailure.bind(this)}, this.options.ajaxOptions));}if (arguments.length > 1) {Event.stop(arguments[0]);}return false;}, onLoading:function () {this.saving = true;this.removeForm();this.leaveHover();this.showSaving();}, showSaving:function () {this.oldInnerHTML = this.element.innerHTML;this.element.innerHTML = this.options.savingText;Element.addClassName(this.element, this.options.savingClassName);this.element.style.backgroundColor = this.originalBackground;Element.show(this.element);}, removeForm:function () {if (this.form) {if (this.form.parentNode) {Element.remove(this.form);}this.form = null;}}, enterHover:function () {if (this.saving) {return;}this.element.style.backgroundColor = this.options.highlightcolor;if (this.effect) {this.effect.cancel();}Element.addClassName(this.element, this.options.hoverClassName);}, leaveHover:function () {if (this.options.backgroundColor) {this.element.style.backgroundColor = this.oldBackground;}Element.removeClassName(this.element, this.options.hoverClassName);if (this.saving) {return;}this.effect = new Effect.Highlight(this.element, {startcolor:this.options.highlightcolor, endcolor:this.options.highlightendcolor, restorecolor:this.originalBackground});}, leaveEditMode:function () {Element.removeClassName(this.element, this.options.savingClassName);this.removeForm();this.leaveHover();this.element.style.backgroundColor = this.originalBackground;Element.show(this.element);if (this.options.externalControl) {Element.show(this.options.externalControl);}this.editing = false;this.saving = false;this.oldInnerHTML = null;this.onLeaveEditMode();}, onComplete:function (transport) {this.leaveEditMode();this.options.onComplete.bind(this)(transport, this.element);}, onEnterEditMode:function () {}, onLeaveEditMode:function () {}, dispose:function () {if (this.oldInnerHTML) {this.element.innerHTML = this.oldInnerHTML;}this.leaveEditMode();Event.stopObserving(this.element, "click", this.onclickListener);Event.stopObserving(this.element, "mouseover", this.mouseoverListener);Event.stopObserving(this.element, "mouseout", this.mouseoutListener);if (this.options.externalControl) {Event.stopObserving(this.options.externalControl, "click", this.onclickListener);Event.stopObserving(this.options.externalControl, "mouseover", this.mouseoverListener);Event.stopObserving(this.options.externalControl, "mouseout", this.mouseoutListener);}}};Ajax.InPlaceCollectionEditor = Class.create();Object.extend(Ajax.InPlaceCollectionEditor.prototype, Ajax.InPlaceEditor.prototype);Object.extend(Ajax.InPlaceCollectionEditor.prototype, {createEditField:function () {if (!this.cached_selectTag) {var selectTag = document.createElement("select");var collection = this.options.collection || [];var optionTag;collection.each((function (e, i) {optionTag = document.createElement("option");optionTag.value = e instanceof Array ? e[0] : e;if (typeof this.options.value == "undefined" && (e instanceof Array ? this.element.innerHTML == e[1] : e == optionTag.value)) {optionTag.selected = true;}if (this.options.value == optionTag.value) {optionTag.selected = true;}optionTag.appendChild(document.createTextNode(e instanceof Array ? e[1] : e));selectTag.appendChild(optionTag);}).bind(this));this.cached_selectTag = selectTag;}this.editField = this.cached_selectTag;if (this.options.loadTextURL) {this.loadExternalText();}this.form.appendChild(this.editField);this.options.callback = function (form, value) {return "value=" + encodeURIComponent(value);};}});Form.Element.DelayedObserver = Class.create();Form.Element.DelayedObserver.prototype = {initialize:function (element, delay, callback) {this.delay = delay || 0.5;this.element = $(element);this.callback = callback;this.timer = null;this.lastValue = $F(this.element);Event.observe(this.element, "keyup", this.delayedListener.bindAsEventListener(this));}, delayedListener:function (event) {if (this.lastValue == $F(this.element)) {return;}if (this.timer) {clearTimeout(this.timer);}this.timer = setTimeout(this.onTimerEvent.bind(this), this.delay * 1000);this.lastValue = $F(this.element);}, onTimerEvent:function () {this.timer = null;this.callback(this.element, $F(this.element));}};if (!Control) {var Control = {};}Control.Slider = Class.create();Control.Slider.prototype = {initialize:function (handle, track, options) {var slider = this;if (handle instanceof Array) {this.handles = handle.collect(function (e) {return $(e);});} else {this.handles = [$(handle)];}this.track = $(track);this.options = options || {};this.axis = this.options.axis || "horizontal";this.increment = this.options.increment || 1;this.step = parseInt(this.options.step || "1");this.range = this.options.range || $R(0, 1);this.value = 0;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 = slider.handles.length - 1 - i;slider.setValue(parseFloat((slider.options.sliderValue instanceof Array ? slider.options.sliderValue[i] : slider.options.sliderValue) || slider.range.start), i);Element.makePositioned(h);Event.observe(h, "mousedown", slider.eventMouseDown);});Event.observe(this.track, "mousedown", this.eventMouseDown);Event.observe(document, "mouseup", this.eventMouseUp);Event.observe(document, "mousemove", this.eventMouseMove);this.initialized = true;}, dispose:function () {var slider = this;Event.stopObserving(this.track, "mousedown", this.eventMouseDown);Event.stopObserving(document, "mouseup", this.eventMouseUp);Event.stopObserving(document, "mousemove", this.eventMouseMove);this.handles.each(function (h) {Event.stopObserving(h, "mousedown", slider.eventMouseDown);});}, setDisabled:function () {this.disabled = true;}, setEnabled:function () {this.disabled = false;}, getNearestValue:function (value) {if (this.allowedValues) {if (value >= this.allowedValues.max()) {return this.allowedValues.max();}if (value <= this.allowedValues.min()) {return this.allowedValues.min();}var offset = Math.abs(this.allowedValues[0] - value);var newValue = this.allowedValues[0];this.allowedValues.each(function (v) {var currentOffset = Math.abs(v - value);if (currentOffset <= offset) {newValue = v;offset = currentOffset;}});return newValue;}if (value > this.range.end) {return this.range.end;}if (value < this.range.start) {return this.range.start;}return value;}, setValue:function (sliderValue, handleIdx) {if (!this.active) {this.activeHandleIdx = handleIdx || 0;this.activeHandle = this.handles[this.activeHandleIdx];this.updateStyles();}handleIdx = handleIdx || this.activeHandleIdx || 0;if (this.initialized && this.restricted) {if (handleIdx > 0 && sliderValue < this.values[handleIdx - 1]) {sliderValue = this.values[handleIdx - 1];}if (handleIdx < this.handles.length - 1 && sliderValue > this.values[handleIdx + 1]) {sliderValue = this.values[handleIdx + 1];}}sliderValue = this.getNearestValue(sliderValue);this.values[handleIdx] = sliderValue;this.value = this.values[0];this.handles[handleIdx].style[this.isVertical() ? "top" : "left"] = this.translateToPx(sliderValue);this.drawSpans();if (!this.dragging || !this.event) {this.updateFinished();}}, setValueBy:function (delta, handleIdx) {this.setValue(this.values[handleIdx || this.activeHandleIdx || 0] + delta, handleIdx || this.activeHandleIdx || 0);}, translateToPx:function (value) {return Math.round((this.trackLength - this.handleLength) / (this.range.end - this.range.start) * (value - this.range.start)) + "px";}, translateToValue:function (offset) {return offset / (this.trackLength - this.handleLength) * (this.range.end - this.range.start) + this.range.start;}, getRange:function (range) {var v = this.values.sortBy(Prototype.K);range = range || 0;return $R(v[range], v[range + 1]);}, minimumOffset:function () {return this.isVertical() ? this.alignY : this.alignX;}, maximumOffset:function () {return this.isVertical() ? (this.track.offsetHeight != 0 ? this.track.offsetHeight : this.track.style.height.replace(/px$/, "")) - this.alignY : (this.track.offsetWidth != 0 ? this.track.offsetWidth : this.track.style.width.replace(/px$/, "")) - this.alignY;}, isVertical:function () {return this.axis == "vertical";}, drawSpans:function () {var slider = this;if (this.spans) {$R(0, this.spans.length - 1).each(function (r) {slider.setSpan(slider.spans[r], slider.getRange(r));});}if (this.options.startSpan) {this.setSpan(this.options.startSpan, $R(0, this.values.length > 1 ? this.getRange(0).min() : this.value));}if (this.options.endSpan) {this.setSpan(this.options.endSpan, $R(this.values.length > 1 ? this.getRange(this.spans.length - 1).max() : this.value, this.maximum));}}, setSpan:function (span, range) {if (this.isVertical()) {span.style.top = this.translateToPx(range.start);span.style.height = this.translateToPx(range.end - range.start + this.range.start);} else {span.style.left = this.translateToPx(range.start);span.style.width = this.translateToPx(range.end - range.start + this.range.start);}}, updateStyles:function () {this.handles.each(function (h) {Element.removeClassName(h, "selected");});Element.addClassName(this.activeHandle, "selected");}, startDrag:function (event) {if (Event.isLeftClick(event)) {if (!this.disabled) {this.active = true;var handle = Event.element(event);var pointer = [Event.pointerX(event), Event.pointerY(event)];var track = handle;if (track == this.track) {var offsets = Position.cumulativeOffset(this.track);this.event = event;this.setValue(this.translateToValue((this.isVertical() ? pointer[1] - offsets[1] : pointer[0] - offsets[0]) - this.handleLength / 2));var offsets = Position.cumulativeOffset(this.activeHandle);this.offsetX = pointer[0] - offsets[0];this.offsetY = pointer[1] - offsets[1];} else {while (this.handles.indexOf(handle) == -1 && handle.parentNode) {handle = handle.parentNode;}if (this.handles.indexOf(handle) != -1) {this.activeHandle = handle;this.activeHandleIdx = this.handles.indexOf(this.activeHandle);this.updateStyles();var offsets = Position.cumulativeOffset(this.activeHandle);this.offsetX = pointer[0] - offsets[0];this.offsetY = pointer[1] - offsets[1];}}}Event.stop(event);}}, update:function (event) {if (this.active) {if (!this.dragging) {this.dragging = true;}this.draw(event);if (Prototype.Browser.WebKit) {window.scrollBy(0, 0);}Event.stop(event);}}, draw:function (event) {var pointer = [Event.pointerX(event), Event.pointerY(event)];var offsets = Position.cumulativeOffset(this.track);pointer[0] -= this.offsetX + offsets[0];pointer[1] -= this.offsetY + offsets[1];this.event = event;this.setValue(this.translateToValue(this.isVertical() ? pointer[1] : pointer[0]));if (this.initialized && this.options.onSlide) {this.options.onSlide(this.values.length > 1 ? this.values : this.value, this);}}, endDrag:function (event) {if (this.active && this.dragging) {this.finishDrag(event, true);Event.stop(event);}this.active = false;this.dragging = false;}, finishDrag:function (event, success) {this.active = false;this.dragging = false;this.updateFinished();}, updateFinished:function () {if (this.initialized && this.options.onChange) {this.options.onChange(this.values.length > 1 ? this.values : this.value, this);}this.event = null;}};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 (url) {if (!Sound._enabled) {return;}var options = Object.extend({track:"global", url:url, replace:false}, arguments[1] || {});if (options.replace && this.tracks[options.track]) {$R(0, this.tracks[options.track].id).each(function (id) {var sound = $("sound_" + options.track + "_" + id);sound.Stop && sound.Stop();sound.remove();});this.tracks[options.track] = null;}if (!this.tracks[options.track]) {this.tracks[options.track] = {id:0};} else {this.tracks[options.track].id++;}options.id = this.tracks[options.track].id;if (Prototype.Browser.IE) {var sound = document.createElement("bgsound");sound.setAttribute("id", "sound_" + options.track + "_" + options.id);sound.setAttribute("src", options.url);sound.setAttribute("loop", "1");sound.setAttribute("autostart", "true");$$("body")[0].appendChild(sound);} else {new Insertion.Bottom($$("body")[0], Sound.template.evaluate(options));}}};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 () {};}}

var opClasses = Array('opaq', 'opaq-80', 'opaq-60', 'opaq-80-100', 'opaq-60-100', 'opaq-80-100-300', 'opaq-60-100-100', 'opaq-60-100-200-100', 'opaq-80-100-200-100');

op_out = 80; // normal and mouseout state
op_hover = 100; // mouseover state
op_duration = 300; // duration of the effect

opaque = function (elem, op, dur){
	new Effect.Opacity($(elem), {duration: dur/1000, to: op/100});
}

addEvent(window, 'DOMContentLoaded', function() {
	for(var n=0; n < opClasses.length; n++){
		els = document.getElementsByClassName(opClasses[n]);
		for(var i=0; i < els.length; i++){
			var parts = opClasses[n].split('-');
			switch (parts.length){
				case 1:
					opaque(els[i], op_out, 0);
					Event.observe(els[i], 'mouseover', function(e){
						if (typeof(opaque) == 'function' ) opaque(Event.element(e), op_hover, op_duration);
					});
					Event.observe(els[i], 'mouseout', function(e){
						if (typeof(opaque) == 'function' ) opaque(Event.element(e), op_out, op_duration);
					});
					break;
				case 2:
					opaque(els[i], parts[1], 0);
					break;
				case 3:
					opaque(els[i], parts[1], 0);
					new Effect.Opacity(els[i], {duration: 0, to: parts[1]/100});
					Event.observe(els[i], 'mouseover', function(e){
						if (typeof(opaque) == 'function' ) opaque(Event.element(e), parts[2], 0);
					});
					Event.observe(els[i], 'mouseout', function(e){
						if (typeof(opaque) == 'function' ) opaque(Event.element(e), parts[1], 0);
					});
					break;
				case 4:
					opaque(els[i], parts[1], 0);
					Event.observe(els[i], 'mouseover', function(e){
						if (typeof(opaque) == 'function' ) opaque(Event.element(e), parts[2], parts[3]);
					});
					Event.observe(els[i], 'mouseout', function(e){
						if (typeof(opaque) == 'function' ) opaque(Event.element(e), parts[1], parts[3]);
					});
					break;
				case 5:
					opaque(els[i], parts[1], 0);
					Event.observe(els[i], 'mouseover', function(e){
						if (typeof(opaque) == 'function' ) opaque(Event.element(e), parts[2], parts[4]);
					});
					Event.observe(els[i], 'mouseout', function(e){
						if (typeof(opaque) == 'function' ) opaque(Event.element(e), parts[1], parts[3]);
					});
					break;
				default:
					break;
			}
		}
	}
}); 


var selClass = 'ie-png';
// filter:progid:DXImageTransform.Microsoft.AlphaImageLoader (src='../../images/ceni_products_b.png', sizingMethod='scale');

addEvent(window, 'DOMContentLoaded', function() {
	els = document.getElementsByClassName(selClass);
	for(var i=0; i < els.length; i++){
		els[i].style.filter = "progid:DXImageTransform.Microsoft.AlphaImageLoader(src='../../images/ceni_products_"+i+".png', sizingMethod='scale')";
	}	
});


/* Copyright 2007 Fixar Ltd.*/
var content_title_tag = new Array("a", "area", "li", "div", "span", "abbr", "label", "p", "input", "button", "img"); //tag//
var content_title_tagX = -30; //X offset//
var content_title_tagY = 21; //Y offset//

tooltip = {
  name : "xtitle",
  offsetX : content_title_tagX,
  offsetY : content_title_tagY,
  tip : null
}

tooltip.move = function (evt) {
	var x=0, y=0, w=0, h=0;
	var tx = 0, ty = 0;
	if (document.all) { //IE & Opera
		x = (document.documentElement && document.documentElement.scrollLeft) ? document.documentElement.scrollLeft : document.body.scrollLeft;
		y = (document.documentElement && document.documentElement.scrollTop) ? document.documentElement.scrollTop : document.body.scrollTop;
		x += window.event.clientX;
		y += window.event.clientY;
		w = document.body.clientWidth + document.body.scrollLeft -5;
		h = document.body.clientHeight + document.body.scrollTop -5;
	} else { // NS & FF
		x = evt.pageX;
		y = evt.pageY;
		w = window.innerWidth + window.scrollX - 16;
		h = window.innerHeight + window.scrollY - 16;		
//		if (window.scrollY) w -= 16; // FF: offset to compensate vertical scrollbar
//		if (window.scrollX)	h -= 16; // FF: offset to compensate horizontal scrollbar
	}
	tx = x + this.offsetX;
	ty = y + this.offsetY;
	if (tx > (w-this.tip.scrollWidth)){ tx = w-this.tip.scrollWidth;}
	if (ty > (h-this.tip.scrollHeight)){ ty = h-this.tip.scrollHeight;} 
	this.tip.style.left = tx + "px";
	this.tip.style.top = ty + "px";
}

tooltip.show = function (evt, texta, classa) {
	if (!this.tip) return;
	this.tip.className = classa;
	this.tip.innerHTML = texta;
	this.tip.style.display = "block";
	tooltip.move(evt);
}

tooltip.hide = function () {
	if (!this.tip) return;
	this.tip.style.display = "none";
	this.tip.innerHTML = "";
}

tooltip.init = function () {
	var tipNameSpaceURI = "http://www.w3.org/1999/xhtml";
	if(!tipContainerID){ var tipContainerID = "xtitle";}
	var tipContainer = document.getElementById(tipContainerID);

	if(!tipContainer) {
	  tipContainer = document.createElementNS ? document.createElementNS(tipNameSpaceURI, "div") : document.createElement("div");
	  tipContainer.setAttribute("id", tipContainerID);
	  document.getElementsByTagName("body").item(0).appendChild(tipContainer);
	}

	if (!document.getElementById) return;
	this.tip = document.getElementById (this.name);
	if (this.tip) document.onmousemove = function (evt) {tooltip.move (evt)};

	var a, sTitle;
	var anchors;
	for (var n = 0; n< content_title_tag.length; n++ ){
		anchors = document.getElementsByTagName(content_title_tag[n]);
		for (var i = 0; i < anchors.length; i++) {
			a = anchors[i];
			sTitle = a.getAttribute("title");
			if(sTitle) {
				sTitle = sTitle.split('::', 2);
				if (!sTitle[1]) continue;
				a.setAttribute("tipclass", sTitle[0]);
				a.setAttribute("tiptitle", sTitle[1]);
				a.removeAttribute("title");
				a.onmouseover = function(evt) {
					if (typeof(tooltip)=='object') tooltip.show(evt ,this.getAttribute('tiptitle'), this.getAttribute('tipclass'));
				};
//				Event.observe($(a),'mouseover', function(evt) {tooltip.show(evt ,this.getAttribute('tiptitle'), this.getAttribute('tipclass'))});
				a.onmouseout = function() {
					if (typeof(tooltip)=='object') tooltip.hide();
				};
//				Event.observe($(a),'mouseout', function(evt) {tooltip.hide()});
			}
		}
	}
}


addEvent(window, 'DOMContentLoaded', function() {
	tooltip.init ();
});


AdditionalValidationRequired = false;
if (typeof(validator_error_message) == 'undefined'){
    var validator_error_message = 'Моля, въведете коректни данни!\nОтбелязаните с * полета са задължителни.\nНеверните полетата са в червено.';
}

var Validator = {
    regExps :{
        "email" : "^\\w+([-+.]\\w+)*@\\w+([-.]\\w+)*\\.\\w+([-.]\\w+)*[\\w]$",
        "required" : ".+",
        "digits" : "^[0-9+][0-9+]*[0-9+]$",
        "egn" : "[0-9]{10}",
        "username" : "[0-9a-zA-z]{2,100}",
        "password" : "[0-9a-zA-z]{4,100}",
        "bulstat" : "^[0-9]{9,13}$",
        "postcode" : "[0-9]{4}",
        "age" : "[0-9]{1,2}",			//georgi: 2 cifri - za vyzrast
        "name" : "^[а-яА-Яa-zA-Z][а-яА-Яa-zA-Z]+[а-яА-Яa-zA-Z]$",	//georgi: nad 3 bukvi - za imena
        "fullname" : "^[а-яА-Яa-zA-Z][а-яА-Яa-zA-Z\\s]*[а-яА-Яa-zA-Z]$",	//georgi: nad 3 bukvi - za imena
        "city" : "^[а-яА-Яa-zA-Z][а-яА-Яa-zA-Z\\s]*[а-яА-Яa-zA-Z]$",	//georgi: nad 3 bukvi + interval - za grad
        "phone" : "^[\\d/\(\+][\\d\(\)/\\s\-]*[\\d/\(\)]$",
        "security": "^[0-9a-zA-z]([0-9a-zA-z])*[0-9a-zA-z]$"
    },

    onLoad : function (){
        var forms = document.getElementsByTagName("form");
        for(var i = 0; i< forms.length; i++){
            if (forms[i].className == "validate"){
                forms[i].onsubmit = this.Validate;
                this.setupFields(forms[i]);
            }
        }
    },

    setupFields : function (form){
        var inputs = form.getElementsByTagName ("input");
        for (var i = 0; i < inputs.length; i++){
            var inp = inputs[i];
            var params = inp.name.split('::');
            if ( params[1] == undefined || params[2] == undefined) continue;
            this.InputPrepare(params, inp);
        }
    },

    setInvalid : function (){
        this.style.backgroundColor='#FF3F3F';
    },

    setValid : function  (){
        this.style.backgroundColor='';
    },

    InputPrepare : function (params, inp){ // transfer the methods
        if (Validator.regExps[params[0]] == null) return;
        inp.reg = new RegExp(Validator.regExps[params[0]]);
        inp.len = params[1];		
        inp.setInvalid = this.setInvalid;
        inp.setValid = this.setValid;
        inp.Check = this.Check;
        inp.onchange = this.OnInputChange;
    },

    OnInputChange : function (){
        this.Check();
    },

    Check : function (){
        this.setValid();
        if (this.len == 0 && this.value.length == 0) return true;
        if (this.value.length >= this.len){
            if (!this.value.match(this.reg)){ // we do not match
                    this.setInvalid();
                    return false;
            }
        }else{
            this.setInvalid();
            return false;
        }
        return true;
    },

    Validate : function (){
        var validForm = true;
        for (var i = 0; i < this.elements.length; i ++){
            var el = this.elements[i];
            if (typeof(el.Check) == 'undefined') continue;
            if (!el.Check()) validForm = false;
        }
        if(validForm && AdditionalValidationRequired){
            return eval(AdditionalValidationRequired+"();");
        }
        if (!validForm){
            alert(validator_error_message);
        }
        return validForm;
    }
}

if (document.all){ // IE & Opera
    window.attachEvent('onload', function(){
        Validator.onLoad();
    });
}else{ // NS & FF
    window.addEventListener('load', function(){
        Validator.onLoad();
    }
    ,false);
}