1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/awesome_js/Base64.js	Sun Jan 24 09:37:47 2010 -0500
     1.3 @@ -0,0 +1,142 @@
     1.4 +/**
     1.5 +*
     1.6 +*  Base64 encode / decode
     1.7 +*  http://www.webtoolkit.info/
     1.8 +*
     1.9 +**/
    1.10 + 
    1.11 +var Base64 = {
    1.12 + 
    1.13 +	// private property
    1.14 +	_keyStr : "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=",
    1.15 + 
    1.16 +	// public method for encoding
    1.17 +	encode : function (input) {
    1.18 +		var output = "";
    1.19 +		var chr1, chr2, chr3, enc1, enc2, enc3, enc4;
    1.20 +		var i = 0;
    1.21 + 
    1.22 +		input = Base64._utf8_encode(input);
    1.23 + 
    1.24 +		while (i < input.length) {
    1.25 + 
    1.26 +			chr1 = input.charCodeAt(i++);
    1.27 +			chr2 = input.charCodeAt(i++);
    1.28 +			chr3 = input.charCodeAt(i++);
    1.29 + 
    1.30 +			enc1 = chr1 >> 2;
    1.31 +			enc2 = ((chr1 & 3) << 4) | (chr2 >> 4);
    1.32 +			enc3 = ((chr2 & 15) << 2) | (chr3 >> 6);
    1.33 +			enc4 = chr3 & 63;
    1.34 + 
    1.35 +			if (isNaN(chr2)) {
    1.36 +				enc3 = enc4 = 64;
    1.37 +			} else if (isNaN(chr3)) {
    1.38 +				enc4 = 64;
    1.39 +			}
    1.40 + 
    1.41 +			output = output +
    1.42 +			this._keyStr.charAt(enc1) + this._keyStr.charAt(enc2) +
    1.43 +			this._keyStr.charAt(enc3) + this._keyStr.charAt(enc4);
    1.44 + 
    1.45 +		}
    1.46 + 
    1.47 +		return output;
    1.48 +	},
    1.49 + 
    1.50 +	// public method for decoding
    1.51 +	decode : function (input) {
    1.52 +		var output = "";
    1.53 +		var chr1, chr2, chr3;
    1.54 +		var enc1, enc2, enc3, enc4;
    1.55 +		var i = 0;
    1.56 + 
    1.57 +		input = input.replace(/[^A-Za-z0-9\+\/\=]/g, "");
    1.58 + 
    1.59 +		while (i < input.length) {
    1.60 + 
    1.61 +			enc1 = this._keyStr.indexOf(input.charAt(i++));
    1.62 +			enc2 = this._keyStr.indexOf(input.charAt(i++));
    1.63 +			enc3 = this._keyStr.indexOf(input.charAt(i++));
    1.64 +			enc4 = this._keyStr.indexOf(input.charAt(i++));
    1.65 + 
    1.66 +			chr1 = (enc1 << 2) | (enc2 >> 4);
    1.67 +			chr2 = ((enc2 & 15) << 4) | (enc3 >> 2);
    1.68 +			chr3 = ((enc3 & 3) << 6) | enc4;
    1.69 + 
    1.70 +			output = output + String.fromCharCode(chr1);
    1.71 + 
    1.72 +			if (enc3 != 64) {
    1.73 +				output = output + String.fromCharCode(chr2);
    1.74 +			}
    1.75 +			if (enc4 != 64) {
    1.76 +				output = output + String.fromCharCode(chr3);
    1.77 +			}
    1.78 + 
    1.79 +		}
    1.80 + 
    1.81 +		output = Base64._utf8_decode(output);
    1.82 + 
    1.83 +		return output;
    1.84 + 
    1.85 +	},
    1.86 + 
    1.87 +	// private method for UTF-8 encoding
    1.88 +	_utf8_encode : function (string) {
    1.89 +		string = string.replace(/\r\n/g,"\n");
    1.90 +		var utftext = "";
    1.91 + 
    1.92 +		for (var n = 0; n < string.length; n++) {
    1.93 + 
    1.94 +			var c = string.charCodeAt(n);
    1.95 + 
    1.96 +			if (c < 128) {
    1.97 +				utftext += String.fromCharCode(c);
    1.98 +			}
    1.99 +			else if((c > 127) && (c < 2048)) {
   1.100 +				utftext += String.fromCharCode((c >> 6) | 192);
   1.101 +				utftext += String.fromCharCode((c & 63) | 128);
   1.102 +			}
   1.103 +			else {
   1.104 +				utftext += String.fromCharCode((c >> 12) | 224);
   1.105 +				utftext += String.fromCharCode(((c >> 6) & 63) | 128);
   1.106 +				utftext += String.fromCharCode((c & 63) | 128);
   1.107 +			}
   1.108 + 
   1.109 +		}
   1.110 + 
   1.111 +		return utftext;
   1.112 +	},
   1.113 + 
   1.114 +	// private method for UTF-8 decoding
   1.115 +	_utf8_decode : function (utftext) {
   1.116 +		var string = "";
   1.117 +		var i = 0;
   1.118 +		var c = c1 = c2 = 0;
   1.119 + 
   1.120 +		while ( i < utftext.length ) {
   1.121 + 
   1.122 +			c = utftext.charCodeAt(i);
   1.123 + 
   1.124 +			if (c < 128) {
   1.125 +				string += String.fromCharCode(c);
   1.126 +				i++;
   1.127 +			}
   1.128 +			else if((c > 191) && (c < 224)) {
   1.129 +				c2 = utftext.charCodeAt(i+1);
   1.130 +				string += String.fromCharCode(((c & 31) << 6) | (c2 & 63));
   1.131 +				i += 2;
   1.132 +			}
   1.133 +			else {
   1.134 +				c2 = utftext.charCodeAt(i+1);
   1.135 +				c3 = utftext.charCodeAt(i+2);
   1.136 +				string += String.fromCharCode(((c & 15) << 12) | ((c2 & 63) << 6) | (c3 & 63));
   1.137 +				i += 3;
   1.138 +			}
   1.139 + 
   1.140 +		}
   1.141 + 
   1.142 +		return string;
   1.143 +	}
   1.144 + 
   1.145 +}

     2.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     2.2 +++ b/awesome_js/prototype.js	Sun Jan 24 09:37:47 2010 -0500
     2.3 @@ -0,0 +1,4874 @@
     2.4 +/*  Prototype JavaScript framework, version 1.6.1
     2.5 + *  (c) 2005-2009 Sam Stephenson
     2.6 + *
     2.7 + *  Prototype is freely distributable under the terms of an MIT-style license.
     2.8 + *  For details, see the Prototype web site: http://www.prototypejs.org/
     2.9 + *
    2.10 + *--------------------------------------------------------------------------*/
    2.11 +
    2.12 +var Prototype = {
    2.13 +  Version: '1.6.1',
    2.14 +
    2.15 +  Browser: (function(){
    2.16 +    var ua = navigator.userAgent;
    2.17 +    var isOpera = Object.prototype.toString.call(window.opera) == '[object Opera]';
    2.18 +    return {
    2.19 +      IE:             !!window.attachEvent && !isOpera,
    2.20 +      Opera:          isOpera,
    2.21 +      WebKit:         ua.indexOf('AppleWebKit/') > -1,
    2.22 +      Gecko:          ua.indexOf('Gecko') > -1 && ua.indexOf('KHTML') === -1,
    2.23 +      MobileSafari:   /Apple.*Mobile.*Safari/.test(ua)
    2.24 +    }
    2.25 +  })(),
    2.26 +
    2.27 +  BrowserFeatures: {
    2.28 +    XPath: !!document.evaluate,
    2.29 +    SelectorsAPI: !!document.querySelector,
    2.30 +    ElementExtensions: (function() {
    2.31 +      var constructor = window.Element || window.HTMLElement;
    2.32 +      return !!(constructor && constructor.prototype);
    2.33 +    })(),
    2.34 +    SpecificElementExtensions: (function() {
    2.35 +      if (typeof window.HTMLDivElement !== 'undefined')
    2.36 +        return true;
    2.37 +
    2.38 +      var div = document.createElement('div');
    2.39 +      var form = document.createElement('form');
    2.40 +      var isSupported = false;
    2.41 +
    2.42 +      if (div['__proto__'] && (div['__proto__'] !== form['__proto__'])) {
    2.43 +        isSupported = true;
    2.44 +      }
    2.45 +
    2.46 +      div = form = null;
    2.47 +
    2.48 +      return isSupported;
    2.49 +    })()
    2.50 +  },
    2.51 +
    2.52 +  ScriptFragment: '<script[^>]*>([\\S\\s]*?)<\/script>',
    2.53 +  JSONFilter: /^\/\*-secure-([\s\S]*)\*\/\s*$/,
    2.54 +
    2.55 +  emptyFunction: function() { },
    2.56 +  K: function(x) { return x }
    2.57 +};
    2.58 +
    2.59 +if (Prototype.Browser.MobileSafari)
    2.60 +  Prototype.BrowserFeatures.SpecificElementExtensions = false;
    2.61 +
    2.62 +
    2.63 +var Abstract = { };
    2.64 +
    2.65 +
    2.66 +var Try = {
    2.67 +  these: function() {
    2.68 +    var returnValue;
    2.69 +
    2.70 +    for (var i = 0, length = arguments.length; i < length; i++) {
    2.71 +      var lambda = arguments[i];
    2.72 +      try {
    2.73 +        returnValue = lambda();
    2.74 +        break;
    2.75 +      } catch (e) { }
    2.76 +    }
    2.77 +
    2.78 +    return returnValue;
    2.79 +  }
    2.80 +};
    2.81 +
    2.82 +/* Based on Alex Arnell's inheritance implementation. */
    2.83 +
    2.84 +var Class = (function() {
    2.85 +  function subclass() {};
    2.86 +  function create() {
    2.87 +    var parent = null, properties = $A(arguments);
    2.88 +    if (Object.isFunction(properties[0]))
    2.89 +      parent = properties.shift();
    2.90 +
    2.91 +    function klass() {
    2.92 +      this.initialize.apply(this, arguments);
    2.93 +    }
    2.94 +
    2.95 +    Object.extend(klass, Class.Methods);
    2.96 +    klass.superclass = parent;
    2.97 +    klass.subclasses = [];
    2.98 +
    2.99 +    if (parent) {
   2.100 +      subclass.prototype = parent.prototype;
   2.101 +      klass.prototype = new subclass;
   2.102 +      parent.subclasses.push(klass);
   2.103 +    }
   2.104 +
   2.105 +    for (var i = 0; i < properties.length; i++)
   2.106 +      klass.addMethods(properties[i]);
   2.107 +
   2.108 +    if (!klass.prototype.initialize)
   2.109 +      klass.prototype.initialize = Prototype.emptyFunction;
   2.110 +
   2.111 +    klass.prototype.constructor = klass;
   2.112 +    return klass;
   2.113 +  }
   2.114 +
   2.115 +  function addMethods(source) {
   2.116 +    var ancestor   = this.superclass && this.superclass.prototype;
   2.117 +    var properties = Object.keys(source);
   2.118 +
   2.119 +    if (!Object.keys({ toString: true }).length) {
   2.120 +      if (source.toString != Object.prototype.toString)
   2.121 +        properties.push("toString");
   2.122 +      if (source.valueOf != Object.prototype.valueOf)
   2.123 +        properties.push("valueOf");
   2.124 +    }
   2.125 +
   2.126 +    for (var i = 0, length = properties.length; i < length; i++) {
   2.127 +      var property = properties[i], value = source[property];
   2.128 +      if (ancestor && Object.isFunction(value) &&
   2.129 +          value.argumentNames().first() == "$super") {
   2.130 +        var method = value;
   2.131 +        value = (function(m) {
   2.132 +          return function() { return ancestor[m].apply(this, arguments); };
   2.133 +        })(property).wrap(method);
   2.134 +
   2.135 +        value.valueOf = method.valueOf.bind(method);
   2.136 +        value.toString = method.toString.bind(method);
   2.137 +      }
   2.138 +      this.prototype[property] = value;
   2.139 +    }
   2.140 +
   2.141 +    return this;
   2.142 +  }
   2.143 +
   2.144 +  return {
   2.145 +    create: create,
   2.146 +    Methods: {
   2.147 +      addMethods: addMethods
   2.148 +    }
   2.149 +  };
   2.150 +})();
   2.151 +(function() {
   2.152 +
   2.153 +  var _toString = Object.prototype.toString;
   2.154 +
   2.155 +  function extend(destination, source) {
   2.156 +    for (var property in source)
   2.157 +      destination[property] = source[property];
   2.158 +    return destination;
   2.159 +  }
   2.160 +
   2.161 +  function inspect(object) {
   2.162 +    try {
   2.163 +      if (isUndefined(object)) return 'undefined';
   2.164 +      if (object === null) return 'null';
   2.165 +      return object.inspect ? object.inspect() : String(object);
   2.166 +    } catch (e) {
   2.167 +      if (e instanceof RangeError) return '...';
   2.168 +      throw e;
   2.169 +    }
   2.170 +  }
   2.171 +
   2.172 +  function toJSON(object) {
   2.173 +    var type = typeof object;
   2.174 +    switch (type) {
   2.175 +      case 'undefined':
   2.176 +      case 'function':
   2.177 +      case 'unknown': return;
   2.178 +      case 'boolean': return object.toString();
   2.179 +    }
   2.180 +
   2.181 +    if (object === null) return 'null';
   2.182 +    if (object.toJSON) return object.toJSON();
   2.183 +    if (isElement(object)) return;
   2.184 +
   2.185 +    var results = [];
   2.186 +    for (var property in object) {
   2.187 +      var value = toJSON(object[property]);
   2.188 +      if (!isUndefined(value))
   2.189 +        results.push(property.toJSON() + ': ' + value);
   2.190 +    }
   2.191 +
   2.192 +    return '{' + results.join(', ') + '}';
   2.193 +  }
   2.194 +
   2.195 +  function toQueryString(object) {
   2.196 +    return $H(object).toQueryString();
   2.197 +  }
   2.198 +
   2.199 +  function toHTML(object) {
   2.200 +    return object && object.toHTML ? object.toHTML() : String.interpret(object);
   2.201 +  }
   2.202 +
   2.203 +  function keys(object) {
   2.204 +    var results = [];
   2.205 +    for (var property in object)
   2.206 +      results.push(property);
   2.207 +    return results;
   2.208 +  }
   2.209 +
   2.210 +  function values(object) {
   2.211 +    var results = [];
   2.212 +    for (var property in object)
   2.213 +      results.push(object[property]);
   2.214 +    return results;
   2.215 +  }
   2.216 +
   2.217 +  function clone(object) {
   2.218 +    return extend({ }, object);
   2.219 +  }
   2.220 +
   2.221 +  function isElement(object) {
   2.222 +    return !!(object && object.nodeType == 1);
   2.223 +  }
   2.224 +
   2.225 +  function isArray(object) {
   2.226 +    return _toString.call(object) == "[object Array]";
   2.227 +  }
   2.228 +
   2.229 +
   2.230 +  function isHash(object) {
   2.231 +    return object instanceof Hash;
   2.232 +  }
   2.233 +
   2.234 +  function isFunction(object) {
   2.235 +    return typeof object === "function";
   2.236 +  }
   2.237 +
   2.238 +  function isString(object) {
   2.239 +    return _toString.call(object) == "[object String]";
   2.240 +  }
   2.241 +
   2.242 +  function isNumber(object) {
   2.243 +    return _toString.call(object) == "[object Number]";
   2.244 +  }
   2.245 +
   2.246 +  function isUndefined(object) {
   2.247 +    return typeof object === "undefined";
   2.248 +  }
   2.249 +
   2.250 +  extend(Object, {
   2.251 +    extend:        extend,
   2.252 +    inspect:       inspect,
   2.253 +    toJSON:        toJSON,
   2.254 +    toQueryString: toQueryString,
   2.255 +    toHTML:        toHTML,
   2.256 +    keys:          keys,
   2.257 +    values:        values,
   2.258 +    clone:         clone,
   2.259 +    isElement:     isElement,
   2.260 +    isArray:       isArray,
   2.261 +    isHash:        isHash,
   2.262 +    isFunction:    isFunction,
   2.263 +    isString:      isString,
   2.264 +    isNumber:      isNumber,
   2.265 +    isUndefined:   isUndefined
   2.266 +  });
   2.267 +})();
   2.268 +Object.extend(Function.prototype, (function() {
   2.269 +  var slice = Array.prototype.slice;
   2.270 +
   2.271 +  function update(array, args) {
   2.272 +    var arrayLength = array.length, length = args.length;
   2.273 +    while (length--) array[arrayLength + length] = args[length];
   2.274 +    return array;
   2.275 +  }
   2.276 +
   2.277 +  function merge(array, args) {
   2.278 +    array = slice.call(array, 0);
   2.279 +    return update(array, args);
   2.280 +  }
   2.281 +
   2.282 +  function argumentNames() {
   2.283 +    var names = this.toString().match(/^[\s\(]*function[^(]*\(([^)]*)\)/)[1]
   2.284 +      .replace(/\/\/.*?[\r\n]|\/\*(?:.|[\r\n])*?\*\//g, '')
   2.285 +      .replace(/\s+/g, '').split(',');
   2.286 +    return names.length == 1 && !names[0] ? [] : names;
   2.287 +  }
   2.288 +
   2.289 +  function bind(context) {
   2.290 +    if (arguments.length < 2 && Object.isUndefined(arguments[0])) return this;
   2.291 +    var __method = this, args = slice.call(arguments, 1);
   2.292 +    return function() {
   2.293 +      var a = merge(args, arguments);
   2.294 +      return __method.apply(context, a);
   2.295 +    }
   2.296 +  }
   2.297 +
   2.298 +  function bindAsEventListener(context) {
   2.299 +    var __method = this, args = slice.call(arguments, 1);
   2.300 +    return function(event) {
   2.301 +      var a = update([event || window.event], args);
   2.302 +      return __method.apply(context, a);
   2.303 +    }
   2.304 +  }
   2.305 +
   2.306 +  function curry() {
   2.307 +    if (!arguments.length) return this;
   2.308 +    var __method = this, args = slice.call(arguments, 0);
   2.309 +    return function() {
   2.310 +      var a = merge(args, arguments);
   2.311 +      return __method.apply(this, a);
   2.312 +    }
   2.313 +  }
   2.314 +
   2.315 +  function delay(timeout) {
   2.316 +    var __method = this, args = slice.call(arguments, 1);
   2.317 +    timeout = timeout * 1000
   2.318 +    return window.setTimeout(function() {
   2.319 +      return __method.apply(__method, args);
   2.320 +    }, timeout);
   2.321 +  }
   2.322 +
   2.323 +  function defer() {
   2.324 +    var args = update([0.01], arguments);
   2.325 +    return this.delay.apply(this, args);
   2.326 +  }
   2.327 +
   2.328 +  function wrap(wrapper) {
   2.329 +    var __method = this;
   2.330 +    return function() {
   2.331 +      var a = update([__method.bind(this)], arguments);
   2.332 +      return wrapper.apply(this, a);
   2.333 +    }
   2.334 +  }
   2.335 +
   2.336 +  function methodize() {
   2.337 +    if (this._methodized) return this._methodized;
   2.338 +    var __method = this;
   2.339 +    return this._methodized = function() {
   2.340 +      var a = update([this], arguments);
   2.341 +      return __method.apply(null, a);
   2.342 +    };
   2.343 +  }
   2.344 +
   2.345 +  return {
   2.346 +    argumentNames:       argumentNames,
   2.347 +    bind:                bind,
   2.348 +    bindAsEventListener: bindAsEventListener,
   2.349 +    curry:               curry,
   2.350 +    delay:               delay,
   2.351 +    defer:               defer,
   2.352 +    wrap:                wrap,
   2.353 +    methodize:           methodize
   2.354 +  }
   2.355 +})());
   2.356 +
   2.357 +
   2.358 +Date.prototype.toJSON = function() {
   2.359 +  return '"' + this.getUTCFullYear() + '-' +
   2.360 +    (this.getUTCMonth() + 1).toPaddedString(2) + '-' +
   2.361 +    this.getUTCDate().toPaddedString(2) + 'T' +
   2.362 +    this.getUTCHours().toPaddedString(2) + ':' +
   2.363 +    this.getUTCMinutes().toPaddedString(2) + ':' +
   2.364 +    this.getUTCSeconds().toPaddedString(2) + 'Z"';
   2.365 +};
   2.366 +
   2.367 +
   2.368 +RegExp.prototype.match = RegExp.prototype.test;
   2.369 +
   2.370 +RegExp.escape = function(str) {
   2.371 +  return String(str).replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1');
   2.372 +};
   2.373 +var PeriodicalExecuter = Class.create({
   2.374 +  initialize: function(callback, frequency) {
   2.375 +    this.callback = callback;
   2.376 +    this.frequency = frequency;
   2.377 +    this.currentlyExecuting = false;
   2.378 +
   2.379 +    this.registerCallback();
   2.380 +  },
   2.381 +
   2.382 +  registerCallback: function() {
   2.383 +    this.timer = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
   2.384 +  },
   2.385 +
   2.386 +  execute: function() {
   2.387 +    this.callback(this);
   2.388 +  },
   2.389 +
   2.390 +  stop: function() {
   2.391 +    if (!this.timer) return;
   2.392 +    clearInterval(this.timer);
   2.393 +    this.timer = null;
   2.394 +  },
   2.395 +
   2.396 +  onTimerEvent: function() {
   2.397 +    if (!this.currentlyExecuting) {
   2.398 +      try {
   2.399 +        this.currentlyExecuting = true;
   2.400 +        this.execute();
   2.401 +        this.currentlyExecuting = false;
   2.402 +      } catch(e) {
   2.403 +        this.currentlyExecuting = false;
   2.404 +        throw e;
   2.405 +      }
   2.406 +    }
   2.407 +  }
   2.408 +});
   2.409 +Object.extend(String, {
   2.410 +  interpret: function(value) {
   2.411 +    return value == null ? '' : String(value);
   2.412 +  },
   2.413 +  specialChar: {
   2.414 +    '\b': '\\b',
   2.415 +    '\t': '\\t',
   2.416 +    '\n': '\\n',
   2.417 +    '\f': '\\f',
   2.418 +    '\r': '\\r',
   2.419 +    '\\': '\\\\'
   2.420 +  }
   2.421 +});
   2.422 +
   2.423 +Object.extend(String.prototype, (function() {
   2.424 +
   2.425 +  function prepareReplacement(replacement) {
   2.426 +    if (Object.isFunction(replacement)) return replacement;
   2.427 +    var template = new Template(replacement);
   2.428 +    return function(match) { return template.evaluate(match) };
   2.429 +  }
   2.430 +
   2.431 +  function gsub(pattern, replacement) {
   2.432 +    var result = '', source = this, match;
   2.433 +    replacement = prepareReplacement(replacement);
   2.434 +
   2.435 +    if (Object.isString(pattern))
   2.436 +      pattern = RegExp.escape(pattern);
   2.437 +
   2.438 +    if (!(pattern.length || pattern.source)) {
   2.439 +      replacement = replacement('');
   2.440 +      return replacement + source.split('').join(replacement) + replacement;
   2.441 +    }
   2.442 +
   2.443 +    while (source.length > 0) {
   2.444 +      if (match = source.match(pattern)) {
   2.445 +        result += source.slice(0, match.index);
   2.446 +        result += String.interpret(replacement(match));
   2.447 +        source  = source.slice(match.index + match[0].length);
   2.448 +      } else {
   2.449 +        result += source, source = '';
   2.450 +      }
   2.451 +    }
   2.452 +    return result;
   2.453 +  }
   2.454 +
   2.455 +  function sub(pattern, replacement, count) {
   2.456 +    replacement = prepareReplacement(replacement);
   2.457 +    count = Object.isUndefined(count) ? 1 : count;
   2.458 +
   2.459 +    return this.gsub(pattern, function(match) {
   2.460 +      if (--count < 0) return match[0];
   2.461 +      return replacement(match);
   2.462 +    });
   2.463 +  }
   2.464 +
   2.465 +  function scan(pattern, iterator) {
   2.466 +    this.gsub(pattern, iterator);
   2.467 +    return String(this);
   2.468 +  }
   2.469 +
   2.470 +  function truncate(length, truncation) {
   2.471 +    length = length || 30;
   2.472 +    truncation = Object.isUndefined(truncation) ? '...' : truncation;
   2.473 +    return this.length > length ?
   2.474 +      this.slice(0, length - truncation.length) + truncation : String(this);
   2.475 +  }
   2.476 +
   2.477 +  function strip() {
   2.478 +    return this.replace(/^\s+/, '').replace(/\s+$/, '');
   2.479 +  }
   2.480 +
   2.481 +  function stripTags() {
   2.482 +    return this.replace(/<\w+(\s+("[^"]*"|'[^']*'|[^>])+)?>|<\/\w+>/gi, '');
   2.483 +  }
   2.484 +
   2.485 +  function stripScripts() {
   2.486 +    return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), '');
   2.487 +  }
   2.488 +
   2.489 +  function extractScripts() {
   2.490 +    var matchAll = new RegExp(Prototype.ScriptFragment, 'img');
   2.491 +    var matchOne = new RegExp(Prototype.ScriptFragment, 'im');
   2.492 +    return (this.match(matchAll) || []).map(function(scriptTag) {
   2.493 +      return (scriptTag.match(matchOne) || ['', ''])[1];
   2.494 +    });
   2.495 +  }
   2.496 +
   2.497 +  function evalScripts() {
   2.498 +    return this.extractScripts().map(function(script) { return eval(script) });
   2.499 +  }
   2.500 +
   2.501 +  function escapeHTML() {
   2.502 +    return this.replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;');
   2.503 +  }
   2.504 +
   2.505 +  function unescapeHTML() {
   2.506 +    return this.stripTags().replace(/&lt;/g,'<').replace(/&gt;/g,'>').replace(/&amp;/g,'&');
   2.507 +  }
   2.508 +
   2.509 +
   2.510 +  function toQueryParams(separator) {
   2.511 +    var match = this.strip().match(/([^?#]*)(#.*)?$/);
   2.512 +    if (!match) return { };
   2.513 +
   2.514 +    return match[1].split(separator || '&').inject({ }, function(hash, pair) {
   2.515 +      if ((pair = pair.split('='))[0]) {
   2.516 +        var key = decodeURIComponent(pair.shift());
   2.517 +        var value = pair.length > 1 ? pair.join('=') : pair[0];
   2.518 +        if (value != undefined) value = decodeURIComponent(value);
   2.519 +
   2.520 +        if (key in hash) {
   2.521 +          if (!Object.isArray(hash[key])) hash[key] = [hash[key]];
   2.522 +          hash[key].push(value);
   2.523 +        }
   2.524 +        else hash[key] = value;
   2.525 +      }
   2.526 +      return hash;
   2.527 +    });
   2.528 +  }
   2.529 +
   2.530 +  function toArray() {
   2.531 +    return this.split('');
   2.532 +  }
   2.533 +
   2.534 +  function succ() {
   2.535 +    return this.slice(0, this.length - 1) +
   2.536 +      String.fromCharCode(this.charCodeAt(this.length - 1) + 1);
   2.537 +  }
   2.538 +
   2.539 +  function times(count) {
   2.540 +    return count < 1 ? '' : new Array(count + 1).join(this);
   2.541 +  }
   2.542 +
   2.543 +  function camelize() {
   2.544 +    var parts = this.split('-'), len = parts.length;
   2.545 +    if (len == 1) return parts[0];
   2.546 +
   2.547 +    var camelized = this.charAt(0) == '-'
   2.548 +      ? parts[0].charAt(0).toUpperCase() + parts[0].substring(1)
   2.549 +      : parts[0];
   2.550 +
   2.551 +    for (var i = 1; i < len; i++)
   2.552 +      camelized += parts[i].charAt(0).toUpperCase() + parts[i].substring(1);
   2.553 +
   2.554 +    return camelized;
   2.555 +  }
   2.556 +
   2.557 +  function capitalize() {
   2.558 +    return this.charAt(0).toUpperCase() + this.substring(1).toLowerCase();
   2.559 +  }
   2.560 +
   2.561 +  function underscore() {
   2.562 +    return this.replace(/::/g, '/')
   2.563 +               .replace(/([A-Z]+)([A-Z][a-z])/g, '$1_$2')
   2.564 +               .replace(/([a-z\d])([A-Z])/g, '$1_$2')
   2.565 +               .replace(/-/g, '_')
   2.566 +               .toLowerCase();
   2.567 +  }
   2.568 +
   2.569 +  function dasherize() {
   2.570 +    return this.replace(/_/g, '-');
   2.571 +  }
   2.572 +
   2.573 +  function inspect(useDoubleQuotes) {
   2.574 +    var escapedString = this.replace(/[\x00-\x1f\\]/g, function(character) {
   2.575 +      if (character in String.specialChar) {
   2.576 +        return String.specialChar[character];
   2.577 +      }
   2.578 +      return '\\u00' + character.charCodeAt().toPaddedString(2, 16);
   2.579 +    });
   2.580 +    if (useDoubleQuotes) return '"' + escapedString.replace(/"/g, '\\"') + '"';
   2.581 +    return "'" + escapedString.replace(/'/g, '\\\'') + "'";
   2.582 +  }
   2.583 +
   2.584 +  function toJSON() {
   2.585 +    return this.inspect(true);
   2.586 +  }
   2.587 +
   2.588 +  function unfilterJSON(filter) {
   2.589 +    return this.replace(filter || Prototype.JSONFilter, '$1');
   2.590 +  }
   2.591 +
   2.592 +  function isJSON() {
   2.593 +    var str = this;
   2.594 +    if (str.blank()) return false;
   2.595 +    str = this.replace(/\\./g, '@').replace(/"[^"\\\n\r]*"/g, '');
   2.596 +    return (/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test(str);
   2.597 +  }
   2.598 +
   2.599 +  function evalJSON(sanitize) {
   2.600 +    var json = this.unfilterJSON();
   2.601 +    try {
   2.602 +      if (!sanitize || json.isJSON()) return eval('(' + json + ')');
   2.603 +    } catch (e) { }
   2.604 +    throw new SyntaxError('Badly formed JSON string: ' + this.inspect());
   2.605 +  }
   2.606 +
   2.607 +  function include(pattern) {
   2.608 +    return this.indexOf(pattern) > -1;
   2.609 +  }
   2.610 +
   2.611 +  function startsWith(pattern) {
   2.612 +    return this.indexOf(pattern) === 0;
   2.613 +  }
   2.614 +
   2.615 +  function endsWith(pattern) {
   2.616 +    var d = this.length - pattern.length;
   2.617 +    return d >= 0 && this.lastIndexOf(pattern) === d;
   2.618 +  }
   2.619 +
   2.620 +  function empty() {
   2.621 +    return this == '';
   2.622 +  }
   2.623 +
   2.624 +  function blank() {
   2.625 +    return /^\s*$/.test(this);
   2.626 +  }
   2.627 +
   2.628 +  function interpolate(object, pattern) {
   2.629 +    return new Template(this, pattern).evaluate(object);
   2.630 +  }
   2.631 +
   2.632 +  return {
   2.633 +    gsub:           gsub,
   2.634 +    sub:            sub,
   2.635 +    scan:           scan,
   2.636 +    truncate:       truncate,
   2.637 +    strip:          String.prototype.trim ? String.prototype.trim : strip,
   2.638 +    stripTags:      stripTags,
   2.639 +    stripScripts:   stripScripts,
   2.640 +    extractScripts: extractScripts,
   2.641 +    evalScripts:    evalScripts,
   2.642 +    escapeHTML:     escapeHTML,
   2.643 +    unescapeHTML:   unescapeHTML,
   2.644 +    toQueryParams:  toQueryParams,
   2.645 +    parseQuery:     toQueryParams,
   2.646 +    toArray:        toArray,
   2.647 +    succ:           succ,
   2.648 +    times:          times,
   2.649 +    camelize:       camelize,
   2.650 +    capitalize:     capitalize,
   2.651 +    underscore:     underscore,
   2.652 +    dasherize:      dasherize,
   2.653 +    inspect:        inspect,
   2.654 +    toJSON:         toJSON,
   2.655 +    unfilterJSON:   unfilterJSON,
   2.656 +    isJSON:         isJSON,
   2.657 +    evalJSON:       evalJSON,
   2.658 +    include:        include,
   2.659 +    startsWith:     startsWith,
   2.660 +    endsWith:       endsWith,
   2.661 +    empty:          empty,
   2.662 +    blank:          blank,
   2.663 +    interpolate:    interpolate
   2.664 +  };
   2.665 +})());
   2.666 +
   2.667 +var Template = Class.create({
   2.668 +  initialize: function(template, pattern) {
   2.669 +    this.template = template.toString();
   2.670 +    this.pattern = pattern || Template.Pattern;
   2.671 +  },
   2.672 +
   2.673 +  evaluate: function(object) {
   2.674 +    if (object && Object.isFunction(object.toTemplateReplacements))
   2.675 +      object = object.toTemplateReplacements();
   2.676 +
   2.677 +    return this.template.gsub(this.pattern, function(match) {
   2.678 +      if (object == null) return (match[1] + '');
   2.679 +
   2.680 +      var before = match[1] || '';
   2.681 +      if (before == '\\') return match[2];
   2.682 +
   2.683 +      var ctx = object, expr = match[3];
   2.684 +      var pattern = /^([^.[]+|\[((?:.*?[^\\])?)\])(\.|\[|$)/;
   2.685 +      match = pattern.exec(expr);
   2.686 +      if (match == null) return before;
   2.687 +
   2.688 +      while (match != null) {
   2.689 +        var comp = match[1].startsWith('[') ? match[2].replace(/\\\\]/g, ']') : match[1];
   2.690 +        ctx = ctx[comp];
   2.691 +        if (null == ctx || '' == match[3]) break;
   2.692 +        expr = expr.substring('[' == match[3] ? match[1].length : match[0].length);
   2.693 +        match = pattern.exec(expr);
   2.694 +      }
   2.695 +
   2.696 +      return before + String.interpret(ctx);
   2.697 +    });
   2.698 +  }
   2.699 +});
   2.700 +Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/;
   2.701 +
   2.702 +var $break = { };
   2.703 +
   2.704 +var Enumerable = (function() {
   2.705 +  function each(iterator, context) {
   2.706 +    var index = 0;
   2.707 +    try {
   2.708 +      this._each(function(value) {
   2.709 +        iterator.call(context, value, index++);
   2.710 +      });
   2.711 +    } catch (e) {
   2.712 +      if (e != $break) throw e;
   2.713 +    }
   2.714 +    return this;
   2.715 +  }
   2.716 +
   2.717 +  function eachSlice(number, iterator, context) {
   2.718 +    var index = -number, slices = [], array = this.toArray();
   2.719 +    if (number < 1) return array;
   2.720 +    while ((index += number) < array.length)
   2.721 +      slices.push(array.slice(index, index+number));
   2.722 +    return slices.collect(iterator, context);
   2.723 +  }
   2.724 +
   2.725 +  function all(iterator, context) {
   2.726 +    iterator = iterator || Prototype.K;
   2.727 +    var result = true;
   2.728 +    this.each(function(value, index) {
   2.729 +      result = result && !!iterator.call(context, value, index);
   2.730 +      if (!result) throw $break;
   2.731 +    });
   2.732 +    return result;
   2.733 +  }
   2.734 +
   2.735 +  function any(iterator, context) {
   2.736 +    iterator = iterator || Prototype.K;
   2.737 +    var result = false;
   2.738 +    this.each(function(value, index) {
   2.739 +      if (result = !!iterator.call(context, value, index))
   2.740 +        throw $break;
   2.741 +    });
   2.742 +    return result;
   2.743 +  }
   2.744 +
   2.745 +  function collect(iterator, context) {
   2.746 +    iterator = iterator || Prototype.K;
   2.747 +    var results = [];
   2.748 +    this.each(function(value, index) {
   2.749 +      results.push(iterator.call(context, value, index));
   2.750 +    });
   2.751 +    return results;
   2.752 +  }
   2.753 +
   2.754 +  function detect(iterator, context) {
   2.755 +    var result;
   2.756 +    this.each(function(value, index) {
   2.757 +      if (iterator.call(context, value, index)) {
   2.758 +        result = value;
   2.759 +        throw $break;
   2.760 +      }
   2.761 +    });
   2.762 +    return result;
   2.763 +  }
   2.764 +
   2.765 +  function findAll(iterator, context) {
   2.766 +    var results = [];
   2.767 +    this.each(function(value, index) {
   2.768 +      if (iterator.call(context, value, index))
   2.769 +        results.push(value);
   2.770 +    });
   2.771 +    return results;
   2.772 +  }
   2.773 +
   2.774 +  function grep(filter, iterator, context) {
   2.775 +    iterator = iterator || Prototype.K;
   2.776 +    var results = [];
   2.777 +
   2.778 +    if (Object.isString(filter))
   2.779 +      filter = new RegExp(RegExp.escape(filter));
   2.780 +
   2.781 +    this.each(function(value, index) {
   2.782 +      if (filter.match(value))
   2.783 +        results.push(iterator.call(context, value, index));
   2.784 +    });
   2.785 +    return results;
   2.786 +  }
   2.787 +
   2.788 +  function include(object) {
   2.789 +    if (Object.isFunction(this.indexOf))
   2.790 +      if (this.indexOf(object) != -1) return true;
   2.791 +
   2.792 +    var found = false;
   2.793 +    this.each(function(value) {
   2.794 +      if (value == object) {
   2.795 +        found = true;
   2.796 +        throw $break;
   2.797 +      }
   2.798 +    });
   2.799 +    return found;
   2.800 +  }
   2.801 +
   2.802 +  function inGroupsOf(number, fillWith) {
   2.803 +    fillWith = Object.isUndefined(fillWith) ? null : fillWith;
   2.804 +    return this.eachSlice(number, function(slice) {
   2.805 +      while(slice.length < number) slice.push(fillWith);
   2.806 +      return slice;
   2.807 +    });
   2.808 +  }
   2.809 +
   2.810 +  function inject(memo, iterator, context) {
   2.811 +    this.each(function(value, index) {
   2.812 +      memo = iterator.call(context, memo, value, index);
   2.813 +    });
   2.814 +    return memo;
   2.815 +  }
   2.816 +
   2.817 +  function invoke(method) {
   2.818 +    var args = $A(arguments).slice(1);
   2.819 +    return this.map(function(value) {
   2.820 +      return value[method].apply(value, args);
   2.821 +    });
   2.822 +  }
   2.823 +
   2.824 +  function max(iterator, context) {
   2.825 +    iterator = iterator || Prototype.K;
   2.826 +    var result;
   2.827 +    this.each(function(value, index) {
   2.828 +      value = iterator.call(context, value, index);
   2.829 +      if (result == null || value >= result)
   2.830 +        result = value;
   2.831 +    });
   2.832 +    return result;
   2.833 +  }
   2.834 +
   2.835 +  function min(iterator, context) {
   2.836 +    iterator = iterator || Prototype.K;
   2.837 +    var result;
   2.838 +    this.each(function(value, index) {
   2.839 +      value = iterator.call(context, value, index);
   2.840 +      if (result == null || value < result)
   2.841 +        result = value;
   2.842 +    });
   2.843 +    return result;
   2.844 +  }
   2.845 +
   2.846 +  function partition(iterator, context) {
   2.847 +    iterator = iterator || Prototype.K;
   2.848 +    var trues = [], falses = [];
   2.849 +    this.each(function(value, index) {
   2.850 +      (iterator.call(context, value, index) ?
   2.851 +        trues : falses).push(value);
   2.852 +    });
   2.853 +    return [trues, falses];
   2.854 +  }
   2.855 +
   2.856 +  function pluck(property) {
   2.857 +    var results = [];
   2.858 +    this.each(function(value) {
   2.859 +      results.push(value[property]);
   2.860 +    });
   2.861 +    return results;
   2.862 +  }
   2.863 +
   2.864 +  function reject(iterator, context) {
   2.865 +    var results = [];
   2.866 +    this.each(function(value, index) {
   2.867 +      if (!iterator.call(context, value, index))
   2.868 +        results.push(value);
   2.869 +    });
   2.870 +    return results;
   2.871 +  }
   2.872 +
   2.873 +  function sortBy(iterator, context) {
   2.874 +    return this.map(function(value, index) {
   2.875 +      return {
   2.876 +        value: value,
   2.877 +        criteria: iterator.call(context, value, index)
   2.878 +      };
   2.879 +    }).sort(function(left, right) {
   2.880 +      var a = left.criteria, b = right.criteria;
   2.881 +      return a < b ? -1 : a > b ? 1 : 0;
   2.882 +    }).pluck('value');
   2.883 +  }
   2.884 +
   2.885 +  function toArray() {
   2.886 +    return this.map();
   2.887 +  }
   2.888 +
   2.889 +  function zip() {
   2.890 +    var iterator = Prototype.K, args = $A(arguments);
   2.891 +    if (Object.isFunction(args.last()))
   2.892 +      iterator = args.pop();
   2.893 +
   2.894 +    var collections = [this].concat(args).map($A);
   2.895 +    return this.map(function(value, index) {
   2.896 +      return iterator(collections.pluck(index));
   2.897 +    });
   2.898 +  }
   2.899 +
   2.900 +  function size() {
   2.901 +    return this.toArray().length;
   2.902 +  }
   2.903 +
   2.904 +  function inspect() {
   2.905 +    return '#<Enumerable:' + this.toArray().inspect() + '>';
   2.906 +  }
   2.907 +
   2.908 +
   2.909 +
   2.910 +
   2.911 +
   2.912 +
   2.913 +
   2.914 +
   2.915 +
   2.916 +  return {
   2.917 +    each:       each,
   2.918 +    eachSlice:  eachSlice,
   2.919 +    all:        all,
   2.920 +    every:      all,
   2.921 +    any:        any,
   2.922 +    some:       any,
   2.923 +    collect:    collect,
   2.924 +    map:        collect,
   2.925 +    detect:     detect,
   2.926 +    findAll:    findAll,
   2.927 +    select:     findAll,
   2.928 +    filter:     findAll,
   2.929 +    grep:       grep,
   2.930 +    include:    include,
   2.931 +    member:     include,
   2.932 +    inGroupsOf: inGroupsOf,
   2.933 +    inject:     inject,
   2.934 +    invoke:     invoke,
   2.935 +    max:        max,
   2.936 +    min:        min,
   2.937 +    partition:  partition,
   2.938 +    pluck:      pluck,
   2.939 +    reject:     reject,
   2.940 +    sortBy:     sortBy,
   2.941 +    toArray:    toArray,
   2.942 +    entries:    toArray,
   2.943 +    zip:        zip,
   2.944 +    size:       size,
   2.945 +    inspect:    inspect,
   2.946 +    find:       detect
   2.947 +  };
   2.948 +})();
   2.949 +function $A(iterable) {
   2.950 +  if (!iterable) return [];
   2.951 +  if ('toArray' in Object(iterable)) return iterable.toArray();
   2.952 +  var length = iterable.length || 0, results = new Array(length);
   2.953 +  while (length--) results[length] = iterable[length];
   2.954 +  return results;
   2.955 +}
   2.956 +
   2.957 +function $w(string) {
   2.958 +  if (!Object.isString(string)) return [];
   2.959 +  string = string.strip();
   2.960 +  return string ? string.split(/\s+/) : [];
   2.961 +}
   2.962 +
   2.963 +Array.from = $A;
   2.964 +
   2.965 +
   2.966 +(function() {
   2.967 +  var arrayProto = Array.prototype,
   2.968 +      slice = arrayProto.slice,
   2.969 +      _each = arrayProto.forEach; // use native browser JS 1.6 implementation if available
   2.970 +
   2.971 +  function each(iterator) {
   2.972 +    for (var i = 0, length = this.length; i < length; i++)
   2.973 +      iterator(this[i]);
   2.974 +  }
   2.975 +  if (!_each) _each = each;
   2.976 +
   2.977 +  function clear() {
   2.978 +    this.length = 0;
   2.979 +    return this;
   2.980 +  }
   2.981 +
   2.982 +  function first() {
   2.983 +    return this[0];
   2.984 +  }
   2.985 +
   2.986 +  function last() {
   2.987 +    return this[this.length - 1];
   2.988 +  }
   2.989 +
   2.990 +  function compact() {
   2.991 +    return this.select(function(value) {
   2.992 +      return value != null;
   2.993 +    });
   2.994 +  }
   2.995 +
   2.996 +  function flatten() {
   2.997 +    return this.inject([], function(array, value) {
   2.998 +      if (Object.isArray(value))
   2.999 +        return array.concat(value.flatten());
  2.1000 +      array.push(value);
  2.1001 +      return array;
  2.1002 +    });
  2.1003 +  }
  2.1004 +
  2.1005 +  function without() {
  2.1006 +    var values = slice.call(arguments, 0);
  2.1007 +    return this.select(function(value) {
  2.1008 +      return !values.include(value);
  2.1009 +    });
  2.1010 +  }
  2.1011 +
  2.1012 +  function reverse(inline) {
  2.1013 +    return (inline !== false ? this : this.toArray())._reverse();
  2.1014 +  }
  2.1015 +
  2.1016 +  function uniq(sorted) {
  2.1017 +    return this.inject([], function(array, value, index) {
  2.1018 +      if (0 == index || (sorted ? array.last() != value : !array.include(value)))
  2.1019 +        array.push(value);
  2.1020 +      return array;
  2.1021 +    });
  2.1022 +  }
  2.1023 +
  2.1024 +  function intersect(array) {
  2.1025 +    return this.uniq().findAll(function(item) {
  2.1026 +      return array.detect(function(value) { return item === value });
  2.1027 +    });
  2.1028 +  }
  2.1029 +
  2.1030 +
  2.1031 +  function clone() {
  2.1032 +    return slice.call(this, 0);
  2.1033 +  }
  2.1034 +
  2.1035 +  function size() {
  2.1036 +    return this.length;
  2.1037 +  }
  2.1038 +
  2.1039 +  function inspect() {
  2.1040 +    return '[' + this.map(Object.inspect).join(', ') + ']';
  2.1041 +  }
  2.1042 +
  2.1043 +  function toJSON() {
  2.1044 +    var results = [];
  2.1045 +    this.each(function(object) {
  2.1046 +      var value = Object.toJSON(object);
  2.1047 +      if (!Object.isUndefined(value)) results.push(value);
  2.1048 +    });
  2.1049 +    return '[' + results.join(', ') + ']';
  2.1050 +  }
  2.1051 +
  2.1052 +  function indexOf(item, i) {
  2.1053 +    i || (i = 0);
  2.1054 +    var length = this.length;
  2.1055 +    if (i < 0) i = length + i;
  2.1056 +    for (; i < length; i++)
  2.1057 +      if (this[i] === item) return i;
  2.1058 +    return -1;
  2.1059 +  }
  2.1060 +
  2.1061 +  function lastIndexOf(item, i) {
  2.1062 +    i = isNaN(i) ? this.length : (i < 0 ? this.length + i : i) + 1;
  2.1063 +    var n = this.slice(0, i).reverse().indexOf(item);
  2.1064 +    return (n < 0) ? n : i - n - 1;
  2.1065 +  }
  2.1066 +
  2.1067 +  function concat() {
  2.1068 +    var array = slice.call(this, 0), item;
  2.1069 +    for (var i = 0, length = arguments.length; i < length; i++) {
  2.1070 +      item = arguments[i];
  2.1071 +      if (Object.isArray(item) && !('callee' in item)) {
  2.1072 +        for (var j = 0, arrayLength = item.length; j < arrayLength; j++)
  2.1073 +          array.push(item[j]);
  2.1074 +      } else {
  2.1075 +        array.push(item);
  2.1076 +      }
  2.1077 +    }
  2.1078 +    return array;
  2.1079 +  }
  2.1080 +
  2.1081 +  Object.extend(arrayProto, Enumerable);
  2.1082 +
  2.1083 +  if (!arrayProto._reverse)
  2.1084 +    arrayProto._reverse = arrayProto.reverse;
  2.1085 +
  2.1086 +  Object.extend(arrayProto, {
  2.1087 +    _each:     _each,
  2.1088 +    clear:     clear,
  2.1089 +    first:     first,
  2.1090 +    last:      last,
  2.1091 +    compact:   compact,
  2.1092 +    flatten:   flatten,
  2.1093 +    without:   without,
  2.1094 +    reverse:   reverse,
  2.1095 +    uniq:      uniq,
  2.1096 +    intersect: intersect,
  2.1097 +    clone:     clone,
  2.1098 +    toArray:   clone,
  2.1099 +    size:      size,
  2.1100 +    inspect:   inspect,
  2.1101 +    toJSON:    toJSON
  2.1102 +  });
  2.1103 +
  2.1104 +  var CONCAT_ARGUMENTS_BUGGY = (function() {
  2.1105 +    return [].concat(arguments)[0][0] !== 1;
  2.1106 +  })(1,2)
  2.1107 +
  2.1108 +  if (CONCAT_ARGUMENTS_BUGGY) arrayProto.concat = concat;
  2.1109 +
  2.1110 +  if (!arrayProto.indexOf) arrayProto.indexOf = indexOf;
  2.1111 +  if (!arrayProto.lastIndexOf) arrayProto.lastIndexOf = lastIndexOf;
  2.1112 +})();
  2.1113 +function $H(object) {
  2.1114 +  return new Hash(object);
  2.1115 +};
  2.1116 +
  2.1117 +var Hash = Class.create(Enumerable, (function() {
  2.1118 +  function initialize(object) {
  2.1119 +    this._object = Object.isHash(object) ? object.toObject() : Object.clone(object);
  2.1120 +  }
  2.1121 +
  2.1122 +  function _each(iterator) {
  2.1123 +    for (var key in this._object) {
  2.1124 +      var value = this._object[key], pair = [key, value];
  2.1125 +      pair.key = key;
  2.1126 +      pair.value = value;
  2.1127 +      iterator(pair);
  2.1128 +    }
  2.1129 +  }
  2.1130 +
  2.1131 +  function set(key, value) {
  2.1132 +    return this._object[key] = value;
  2.1133 +  }
  2.1134 +
  2.1135 +  function get(key) {
  2.1136 +    if (this._object[key] !== Object.prototype[key])
  2.1137 +      return this._object[key];
  2.1138 +  }
  2.1139 +
  2.1140 +  function unset(key) {
  2.1141 +    var value = this._object[key];
  2.1142 +    delete this._object[key];
  2.1143 +    return value;
  2.1144 +  }
  2.1145 +
  2.1146 +  function toObject() {
  2.1147 +    return Object.clone(this._object);
  2.1148 +  }
  2.1149 +
  2.1150 +  function keys() {
  2.1151 +    return this.pluck('key');
  2.1152 +  }
  2.1153 +
  2.1154 +  function values() {
  2.1155 +    return this.pluck('value');
  2.1156 +  }
  2.1157 +
  2.1158 +  function index(value) {
  2.1159 +    var match = this.detect(function(pair) {
  2.1160 +      return pair.value === value;
  2.1161 +    });
  2.1162 +    return match && match.key;
  2.1163 +  }
  2.1164 +
  2.1165 +  function merge(object) {
  2.1166 +    return this.clone().update(object);
  2.1167 +  }
  2.1168 +
  2.1169 +  function update(object) {
  2.1170 +    return new Hash(object).inject(this, function(result, pair) {
  2.1171 +      result.set(pair.key, pair.value);
  2.1172 +      return result;
  2.1173 +    });
  2.1174 +  }
  2.1175 +
  2.1176 +  function toQueryPair(key, value) {
  2.1177 +    if (Object.isUndefined(value)) return key;
  2.1178 +    return key + '=' + encodeURIComponent(String.interpret(value));
  2.1179 +  }
  2.1180 +
  2.1181 +  function toQueryString() {
  2.1182 +    return this.inject([], function(results, pair) {
  2.1183 +      var key = encodeURIComponent(pair.key), values = pair.value;
  2.1184 +
  2.1185 +      if (values && typeof values == 'object') {
  2.1186 +        if (Object.isArray(values))
  2.1187 +          return results.concat(values.map(toQueryPair.curry(key)));
  2.1188 +      } else results.push(toQueryPair(key, values));
  2.1189 +      return results;
  2.1190 +    }).join('&');
  2.1191 +  }
  2.1192 +
  2.1193 +  function inspect() {
  2.1194 +    return '#<Hash:{' + this.map(function(pair) {
  2.1195 +      return pair.map(Object.inspect).join(': ');
  2.1196 +    }).join(', ') + '}>';
  2.1197 +  }
  2.1198 +
  2.1199 +  function toJSON() {
  2.1200 +    return Object.toJSON(this.toObject());
  2.1201 +  }
  2.1202 +
  2.1203 +  function clone() {
  2.1204 +    return new Hash(this);
  2.1205 +  }
  2.1206 +
  2.1207 +  return {
  2.1208 +    initialize:             initialize,
  2.1209 +    _each:                  _each,
  2.1210 +    set:                    set,
  2.1211 +    get:                    get,
  2.1212 +    unset:                  unset,
  2.1213 +    toObject:               toObject,
  2.1214 +    toTemplateReplacements: toObject,
  2.1215 +    keys:                   keys,
  2.1216 +    values:                 values,
  2.1217 +    index:                  index,
  2.1218 +    merge:                  merge,
  2.1219 +    update:                 update,
  2.1220 +    toQueryString:          toQueryString,
  2.1221 +    inspect:                inspect,
  2.1222 +    toJSON:                 toJSON,
  2.1223 +    clone:                  clone
  2.1224 +  };
  2.1225 +})());
  2.1226 +
  2.1227 +Hash.from = $H;
  2.1228 +Object.extend(Number.prototype, (function() {
  2.1229 +  function toColorPart() {
  2.1230 +    return this.toPaddedString(2, 16);
  2.1231 +  }
  2.1232 +
  2.1233 +  function succ() {
  2.1234 +    return this + 1;
  2.1235 +  }
  2.1236 +
  2.1237 +  function times(iterator, context) {
  2.1238 +    $R(0, this, true).each(iterator, context);
  2.1239 +    return this;
  2.1240 +  }
  2.1241 +
  2.1242 +  function toPaddedString(length, radix) {
  2.1243 +    var string = this.toString(radix || 10);
  2.1244 +    return '0'.times(length - string.length) + string;
  2.1245 +  }
  2.1246 +
  2.1247 +  function toJSON() {
  2.1248 +    return isFinite(this) ? this.toString() : 'null';
  2.1249 +  }
  2.1250 +
  2.1251 +  function abs() {
  2.1252 +    return Math.abs(this);
  2.1253 +  }
  2.1254 +
  2.1255 +  function round() {
  2.1256 +    return Math.round(this);
  2.1257 +  }
  2.1258 +
  2.1259 +  function ceil() {
  2.1260 +    return Math.ceil(this);
  2.1261 +  }
  2.1262 +
  2.1263 +  function floor() {
  2.1264 +    return Math.floor(this);
  2.1265 +  }
  2.1266 +
  2.1267 +  return {
  2.1268 +    toColorPart:    toColorPart,
  2.1269 +    succ:           succ,
  2.1270 +    times:          times,
  2.1271 +    toPaddedString: toPaddedString,
  2.1272 +    toJSON:         toJSON,
  2.1273 +    abs:            abs,
  2.1274 +    round:          round,
  2.1275 +    ceil:           ceil,
  2.1276 +    floor:          floor
  2.1277 +  };
  2.1278 +})());
  2.1279 +
  2.1280 +function $R(start, end, exclusive) {
  2.1281 +  return new ObjectRange(start, end, exclusive);
  2.1282 +}
  2.1283 +
  2.1284 +var ObjectRange = Class.create(Enumerable, (function() {
  2.1285 +  function initialize(start, end, exclusive) {
  2.1286 +    this.start = start;
  2.1287 +    this.end = end;
  2.1288 +    this.exclusive = exclusive;
  2.1289 +  }
  2.1290 +
  2.1291 +  function _each(iterator) {
  2.1292 +    var value = this.start;
  2.1293 +    while (this.include(value)) {
  2.1294 +      iterator(value);
  2.1295 +      value = value.succ();
  2.1296 +    }
  2.1297 +  }
  2.1298 +
  2.1299 +  function include(value) {
  2.1300 +    if (value < this.start)
  2.1301 +      return false;
  2.1302 +    if (this.exclusive)
  2.1303 +      return value < this.end;
  2.1304 +    return value <= this.end;
  2.1305 +  }
  2.1306 +
  2.1307 +  return {
  2.1308 +    initialize: initialize,
  2.1309 +    _each:      _each,
  2.1310 +    include:    include
  2.1311 +  };
  2.1312 +})());
  2.1313 +
  2.1314 +
  2.1315 +
  2.1316 +var Ajax = {
  2.1317 +  getTransport: function() {
  2.1318 +    return Try.these(
  2.1319 +      function() {return new XMLHttpRequest()},
  2.1320 +      function() {return new ActiveXObject('Msxml2.XMLHTTP')},
  2.1321 +      function() {return new ActiveXObject('Microsoft.XMLHTTP')}
  2.1322 +    ) || false;
  2.1323 +  },
  2.1324 +
  2.1325 +  activeRequestCount: 0
  2.1326 +};
  2.1327 +
  2.1328 +Ajax.Responders = {
  2.1329 +  responders: [],
  2.1330 +
  2.1331 +  _each: function(iterator) {
  2.1332 +    this.responders._each(iterator);
  2.1333 +  },
  2.1334 +
  2.1335 +  register: function(responder) {
  2.1336 +    if (!this.include(responder))
  2.1337 +      this.responders.push(responder);
  2.1338 +  },
  2.1339 +
  2.1340 +  unregister: function(responder) {
  2.1341 +    this.responders = this.responders.without(responder);
  2.1342 +  },
  2.1343 +
  2.1344 +  dispatch: function(callback, request, transport, json) {
  2.1345 +    this.each(function(responder) {
  2.1346 +      if (Object.isFunction(responder[callback])) {
  2.1347 +        try {
  2.1348 +          responder[callback].apply(responder, [request, transport, json]);
  2.1349 +        } catch (e) { }
  2.1350 +      }
  2.1351 +    });
  2.1352 +  }
  2.1353 +};
  2.1354 +
  2.1355 +Object.extend(Ajax.Responders, Enumerable);
  2.1356 +
  2.1357 +Ajax.Responders.register({
  2.1358 +  onCreate:   function() { Ajax.activeRequestCount++ },
  2.1359 +  onComplete: function() { Ajax.activeRequestCount-- }
  2.1360 +});
  2.1361 +Ajax.Base = Class.create({
  2.1362 +  initialize: function(options) {
  2.1363 +    this.options = {
  2.1364 +      method:       'post',
  2.1365 +      asynchronous: true,
  2.1366 +      contentType:  'application/x-www-form-urlencoded',
  2.1367 +      encoding:     'UTF-8',
  2.1368 +      parameters:   '',
  2.1369 +      evalJSON:     true,
  2.1370 +      evalJS:       true
  2.1371 +    };
  2.1372 +    Object.extend(this.options, options || { });
  2.1373 +
  2.1374 +    this.options.method = this.options.method.toLowerCase();
  2.1375 +
  2.1376 +    if (Object.isString(this.options.parameters))
  2.1377 +      this.options.parameters = this.options.parameters.toQueryParams();
  2.1378 +    else if (Object.isHash(this.options.parameters))
  2.1379 +      this.options.parameters = this.options.parameters.toObject();
  2.1380 +  }
  2.1381 +});
  2.1382 +Ajax.Request = Class.create(Ajax.Base, {
  2.1383 +  _complete: false,
  2.1384 +
  2.1385 +  initialize: function($super, url, options) {
  2.1386 +    $super(options);
  2.1387 +    this.transport = Ajax.getTransport();
  2.1388 +    this.request(url);
  2.1389 +  },
  2.1390 +
  2.1391 +  request: function(url) {
  2.1392 +    this.url = url;
  2.1393 +    this.method = this.options.method;
  2.1394 +    var params = Object.clone(this.options.parameters);
  2.1395 +
  2.1396 +    if (!['get', 'post'].include(this.method)) {
  2.1397 +      params['_method'] = this.method;
  2.1398 +      this.method = 'post';
  2.1399 +    }
  2.1400 +
  2.1401 +    this.parameters = params;
  2.1402 +
  2.1403 +    if (params = Object.toQueryString(params)) {
  2.1404 +      if (this.method == 'get')
  2.1405 +        this.url += (this.url.include('?') ? '&' : '?') + params;
  2.1406 +      else if (/Konqueror|Safari|KHTML/.test(navigator.userAgent))
  2.1407 +        params += '&_=';
  2.1408 +    }
  2.1409 +
  2.1410 +    try {
  2.1411 +      var response = new Ajax.Response(this);
  2.1412 +      if (this.options.onCreate) this.options.onCreate(response);
  2.1413 +      Ajax.Responders.dispatch('onCreate', this, response);
  2.1414 +
  2.1415 +      this.transport.open(this.method.toUpperCase(), this.url,
  2.1416 +        this.options.asynchronous);
  2.1417 +
  2.1418 +      if (this.options.asynchronous) this.respondToReadyState.bind(this).defer(1);
  2.1419 +
  2.1420 +      this.transport.onreadystatechange = this.onStateChange.bind(this);
  2.1421 +      this.setRequestHeaders();
  2.1422 +
  2.1423 +      this.body = this.method == 'post' ? (this.options.postBody || params) : null;
  2.1424 +      this.transport.send(this.body);
  2.1425 +
  2.1426 +      /* Force Firefox to handle ready state 4 for synchronous requests */
  2.1427 +      if (!this.options.asynchronous && this.transport.overrideMimeType)
  2.1428 +        this.onStateChange();
  2.1429 +
  2.1430 +    }
  2.1431 +    catch (e) {
  2.1432 +      this.dispatchException(e);
  2.1433 +    }
  2.1434 +  },
  2.1435 +
  2.1436 +  onStateChange: function() {
  2.1437 +    var readyState = this.transport.readyState;
  2.1438 +    if (readyState > 1 && !((readyState == 4) && this._complete))
  2.1439 +      this.respondToReadyState(this.transport.readyState);
  2.1440 +  },
  2.1441 +
  2.1442 +  setRequestHeaders: function() {
  2.1443 +    var headers = {
  2.1444 +      'X-Requested-With': 'XMLHttpRequest',
  2.1445 +      'X-Prototype-Version': Prototype.Version,
  2.1446 +      'Accept': 'text/javascript, text/html, application/xml, text/xml, */*'
  2.1447 +    };
  2.1448 +
  2.1449 +    if (this.method == 'post') {
  2.1450 +      headers['Content-type'] = this.options.contentType +
  2.1451 +        (this.options.encoding ? '; charset=' + this.options.encoding : '');
  2.1452 +
  2.1453 +      /* Force "Connection: close" for older Mozilla browsers to work
  2.1454 +       * around a bug where XMLHttpRequest sends an incorrect
  2.1455 +       * Content-length header. See Mozilla Bugzilla #246651.
  2.1456 +       */
  2.1457 +      if (this.transport.overrideMimeType &&
  2.1458 +          (navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < 2005)
  2.1459 +            headers['Connection'] = 'close';
  2.1460 +    }
  2.1461 +
  2.1462 +    if (typeof this.options.requestHeaders == 'object') {
  2.1463 +      var extras = this.options.requestHeaders;
  2.1464 +
  2.1465 +      if (Object.isFunction(extras.push))
  2.1466 +        for (var i = 0, length = extras.length; i < length; i += 2)
  2.1467 +          headers[extras[i]] = extras[i+1];
  2.1468 +      else
  2.1469 +        $H(extras).each(function(pair) { headers[pair.key] = pair.value });
  2.1470 +    }
  2.1471 +
  2.1472 +    for (var name in headers)
  2.1473 +      this.transport.setRequestHeader(name, headers[name]);
  2.1474 +  },
  2.1475 +
  2.1476 +  success: function() {
  2.1477 +    var status = this.getStatus();
  2.1478 +    return !status || (status >= 200 && status < 300);
  2.1479 +  },
  2.1480 +
  2.1481 +  getStatus: function() {
  2.1482 +    try {
  2.1483 +      return this.transport.status || 0;
  2.1484 +    } catch (e) { return 0 }
  2.1485 +  },
  2.1486 +
  2.1487 +  respondToReadyState: function(readyState) {
  2.1488 +    var state = Ajax.Request.Events[readyState], response = new Ajax.Response(this);
  2.1489 +
  2.1490 +    if (state == 'Complete') {
  2.1491 +      try {
  2.1492 +        this._complete = true;
  2.1493 +        (this.options['on' + response.status]
  2.1494 +         || this.options['on' + (this.success() ? 'Success' : 'Failure')]
  2.1495 +         || Prototype.emptyFunction)(response, response.headerJSON);
  2.1496 +      } catch (e) {
  2.1497 +        this.dispatchException(e);
  2.1498 +      }
  2.1499 +
  2.1500 +      var contentType = response.getHeader('Content-type');
  2.1501 +      if (this.options.evalJS == 'force'
  2.1502 +          || (this.options.evalJS && this.isSameOrigin() && contentType
  2.1503 +          && contentType.match(/^\s*(text|application)\/(x-)?(java|ecma)script(;.*)?\s*$/i)))
  2.1504 +        this.evalResponse();
  2.1505 +    }
  2.1506 +
  2.1507 +    try {
  2.1508 +      (this.options['on' + state] || Prototype.emptyFunction)(response, response.headerJSON);
  2.1509 +      Ajax.Responders.dispatch('on' + state, this, response, response.headerJSON);
  2.1510 +    } catch (e) {
  2.1511 +      this.dispatchException(e);
  2.1512 +    }
  2.1513 +
  2.1514 +    if (state == 'Complete') {
  2.1515 +      this.transport.onreadystatechange = Prototype.emptyFunction;
  2.1516 +    }
  2.1517 +  },
  2.1518 +
  2.1519 +  isSameOrigin: function() {
  2.1520 +    var m = this.url.match(/^\s*https?:\/\/[^\/]*/);
  2.1521 +    return !m || (m[0] == '#{protocol}//#{domain}#{port}'.interpolate({
  2.1522 +      protocol: location.protocol,
  2.1523 +      domain: document.domain,
  2.1524 +      port: location.port ? ':' + location.port : ''
  2.1525 +    }));
  2.1526 +  },
  2.1527 +
  2.1528 +  getHeader: function(name) {
  2.1529 +    try {
  2.1530 +      return this.transport.getResponseHeader(name) || null;
  2.1531 +    } catch (e) { return null; }
  2.1532 +  },
  2.1533 +
  2.1534 +  evalResponse: function() {
  2.1535 +    try {
  2.1536 +      return eval((this.transport.responseText || '').unfilterJSON());
  2.1537 +    } catch (e) {
  2.1538 +      this.dispatchException(e);
  2.1539 +    }
  2.1540 +  },
  2.1541 +
  2.1542 +  dispatchException: function(exception) {
  2.1543 +    (this.options.onException || Prototype.emptyFunction)(this, exception);
  2.1544 +    Ajax.Responders.dispatch('onException', this, exception);
  2.1545 +  }
  2.1546 +});
  2.1547 +
  2.1548 +Ajax.Request.Events =
  2.1549 +  ['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];
  2.1550 +
  2.1551 +
  2.1552 +
  2.1553 +
  2.1554 +
  2.1555 +
  2.1556 +
  2.1557 +
  2.1558 +Ajax.Response = Class.create({
  2.1559 +  initialize: function(request){
  2.1560 +    this.request = request;
  2.1561 +    var transport  = this.transport  = request.transport,
  2.1562 +        readyState = this.readyState = transport.readyState;
  2.1563 +
  2.1564 +    if((readyState > 2 && !Prototype.Browser.IE) || readyState == 4) {
  2.1565 +      this.status       = this.getStatus();
  2.1566 +      this.statusText   = this.getStatusText();
  2.1567 +      this.responseText = String.interpret(transport.responseText);
  2.1568 +      this.headerJSON   = this._getHeaderJSON();
  2.1569 +    }
  2.1570 +
  2.1571 +    if(readyState == 4) {
  2.1572 +      var xml = transport.responseXML;
  2.1573 +      this.responseXML  = Object.isUndefined(xml) ? null : xml;
  2.1574 +      this.responseJSON = this._getResponseJSON();
  2.1575 +    }
  2.1576 +  },
  2.1577 +
  2.1578 +  status:      0,
  2.1579 +
  2.1580 +  statusText: '',
  2.1581 +
  2.1582 +  getStatus: Ajax.Request.prototype.getStatus,
  2.1583 +
  2.1584 +  getStatusText: function() {
  2.1585 +    try {
  2.1586 +      return this.transport.statusText || '';
  2.1587 +    } catch (e) { return '' }
  2.1588 +  },
  2.1589 +
  2.1590 +  getHeader: Ajax.Request.prototype.getHeader,
  2.1591 +
  2.1592 +  getAllHeaders: function() {
  2.1593 +    try {
  2.1594 +      return this.getAllResponseHeaders();
  2.1595 +    } catch (e) { return null }
  2.1596 +  },
  2.1597 +
  2.1598 +  getResponseHeader: function(name) {
  2.1599 +    return this.transport.getResponseHeader(name);
  2.1600 +  },
  2.1601 +
  2.1602 +  getAllResponseHeaders: function() {
  2.1603 +    return this.transport.getAllResponseHeaders();
  2.1604 +  },
  2.1605 +
  2.1606 +  _getHeaderJSON: function() {
  2.1607 +    var json = this.getHeader('X-JSON');
  2.1608 +    if (!json) return null;
  2.1609 +    json = decodeURIComponent(escape(json));
  2.1610 +    try {
  2.1611 +      return json.evalJSON(this.request.options.sanitizeJSON ||
  2.1612 +        !this.request.isSameOrigin());
  2.1613 +    } catch (e) {
  2.1614 +      this.request.dispatchException(e);
  2.1615 +    }
  2.1616 +  },
  2.1617 +
  2.1618 +  _getResponseJSON: function() {
  2.1619 +    var options = this.request.options;
  2.1620 +    if (!options.evalJSON || (options.evalJSON != 'force' &&
  2.1621 +      !(this.getHeader('Content-type') || '').include('application/json')) ||
  2.1622 +        this.responseText.blank())
  2.1623 +          return null;
  2.1624 +    try {
  2.1625 +      return this.responseText.evalJSON(options.sanitizeJSON ||
  2.1626 +        !this.request.isSameOrigin());
  2.1627 +    } catch (e) {
  2.1628 +      this.request.dispatchException(e);
  2.1629 +    }
  2.1630 +  }
  2.1631 +});
  2.1632 +
  2.1633 +Ajax.Updater = Class.create(Ajax.Request, {
  2.1634 +  initialize: function($super, container, url, options) {
  2.1635 +    this.container = {
  2.1636 +      success: (container.success || container),
  2.1637 +      failure: (container.failure || (container.success ? null : container))
  2.1638 +    };
  2.1639 +
  2.1640 +    options = Object.clone(options);
  2.1641 +    var onComplete = options.onComplete;
  2.1642 +    options.onComplete = (function(response, json) {
  2.1643 +      this.updateContent(response.responseText);
  2.1644 +      if (Object.isFunction(onComplete)) onComplete(response, json);
  2.1645 +    }).bind(this);
  2.1646 +
  2.1647 +    $super(url, options);
  2.1648 +  },
  2.1649 +
  2.1650 +  updateContent: function(responseText) {
  2.1651 +    var receiver = this.container[this.success() ? 'success' : 'failure'],
  2.1652 +        options = this.options;
  2.1653 +
  2.1654 +    if (!options.evalScripts) responseText = responseText.stripScripts();
  2.1655 +
  2.1656 +    if (receiver = $(receiver)) {
  2.1657 +      if (options.insertion) {
  2.1658 +        if (Object.isString(options.insertion)) {
  2.1659 +          var insertion = { }; insertion[options.insertion] = responseText;
  2.1660 +          receiver.insert(insertion);
  2.1661 +        }
  2.1662 +        else options.insertion(receiver, responseText);
  2.1663 +      }
  2.1664 +      else receiver.update(responseText);
  2.1665 +    }
  2.1666 +  }
  2.1667 +});
  2.1668 +
  2.1669 +Ajax.PeriodicalUpdater = Class.create(Ajax.Base, {
  2.1670 +  initialize: function($super, container, url, options) {
  2.1671 +    $super(options);
  2.1672 +    this.onComplete = this.options.onComplete;
  2.1673 +
  2.1674 +    this.frequency = (this.options.frequency || 2);
  2.1675 +    this.decay = (this.options.decay || 1);
  2.1676 +
  2.1677 +    this.updater = { };
  2.1678 +    this.container = container;
  2.1679 +    this.url = url;
  2.1680 +
  2.1681 +    this.start();
  2.1682 +  },
  2.1683 +
  2.1684 +  start: function() {
  2.1685 +    this.options.onComplete = this.updateComplete.bind(this);
  2.1686 +    this.onTimerEvent();
  2.1687 +  },
  2.1688 +
  2.1689 +  stop: function() {
  2.1690 +    this.updater.options.onComplete = undefined;
  2.1691 +    clearTimeout(this.timer);
  2.1692 +    (this.onComplete || Prototype.emptyFunction).apply(this, arguments);
  2.1693 +  },
  2.1694 +
  2.1695 +  updateComplete: function(response) {
  2.1696 +    if (this.options.decay) {
  2.1697 +      this.decay = (response.responseText == this.lastText ?
  2.1698 +        this.decay * this.options.decay : 1);
  2.1699 +
  2.1700 +      this.lastText = response.responseText;
  2.1701 +    }
  2.1702 +    this.timer = this.onTimerEvent.bind(this).delay(this.decay * this.frequency);
  2.1703 +  },
  2.1704 +
  2.1705 +  onTimerEvent: function() {
  2.1706 +    this.updater = new Ajax.Updater(this.container, this.url, this.options);
  2.1707 +  }
  2.1708 +});
  2.1709 +
  2.1710 +
  2.1711 +
  2.1712 +function $(element) {
  2.1713 +  if (arguments.length > 1) {
  2.1714 +    for (var i = 0, elements = [], length = arguments.length; i < length; i++)
  2.1715 +      elements.push($(arguments[i]));
  2.1716 +    return elements;
  2.1717 +  }
  2.1718 +  if (Object.isString(element))
  2.1719 +    element = document.getElementById(element);
  2.1720 +  return Element.extend(element);
  2.1721 +}
  2.1722 +
  2.1723 +if (Prototype.BrowserFeatures.XPath) {
  2.1724 +  document._getElementsByXPath = function(expression, parentElement) {
  2.1725 +    var results = [];
  2.1726 +    var query = document.evaluate(expression, $(parentElement) || document,
  2.1727 +      null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
  2.1728 +    for (var i = 0, length = query.snapshotLength; i < length; i++)
  2.1729 +      results.push(Element.extend(query.snapshotItem(i)));
  2.1730 +    return results;
  2.1731 +  };
  2.1732 +}
  2.1733 +
  2.1734 +/*--------------------------------------------------------------------------*/
  2.1735 +
  2.1736 +if (!window.Node) var Node = { };
  2.1737 +
  2.1738 +if (!Node.ELEMENT_NODE) {
  2.1739 +  Object.extend(Node, {
  2.1740 +    ELEMENT_NODE: 1,
  2.1741 +    ATTRIBUTE_NODE: 2,
  2.1742 +    TEXT_NODE: 3,
  2.1743 +    CDATA_SECTION_NODE: 4,
  2.1744 +    ENTITY_REFERENCE_NODE: 5,
  2.1745 +    ENTITY_NODE: 6,
  2.1746 +    PROCESSING_INSTRUCTION_NODE: 7,
  2.1747 +    COMMENT_NODE: 8,
  2.1748 +    DOCUMENT_NODE: 9,
  2.1749 +    DOCUMENT_TYPE_NODE: 10,
  2.1750 +    DOCUMENT_FRAGMENT_NODE: 11,
  2.1751 +    NOTATION_NODE: 12
  2.1752 +  });
  2.1753 +}
  2.1754 +
  2.1755 +
  2.1756 +(function(global) {
  2.1757 +
  2.1758 +  var SETATTRIBUTE_IGNORES_NAME = (function(){
  2.1759 +    var elForm = document.createElement("form");
  2.1760 +    var elInput = document.createElement("input");
  2.1761 +    var root = document.documentElement;
  2.1762 +    elInput.setAttribute("name", "test");
  2.1763 +    elForm.appendChild(elInput);
  2.1764 +    root.appendChild(elForm);
  2.1765 +    var isBuggy = elForm.elements
  2.1766 +      ? (typeof elForm.elements.test == "undefined")
  2.1767 +      : null;
  2.1768 +    root.removeChild(elForm);
  2.1769 +    elForm = elInput = null;
  2.1770 +    return isBuggy;
  2.1771 +  })();
  2.1772 +
  2.1773 +  var element = global.Element;
  2.1774 +  global.Element = function(tagName, attributes) {
  2.1775 +    attributes = attributes || { };
  2.1776 +    tagName = tagName.toLowerCase();
  2.1777 +    var cache = Element.cache;
  2.1778 +    if (SETATTRIBUTE_IGNORES_NAME && attributes.name) {
  2.1779 +      tagName = '<' + tagName + ' name="' + attributes.name + '">';
  2.1780 +      delete attributes.name;
  2.1781 +      return Element.writeAttribute(document.createElement(tagName), attributes);
  2.1782 +    }
  2.1783 +    if (!cache[tagName]) cache[tagName] = Element.extend(document.createElement(tagName));
  2.1784 +    return Element.writeAttribute(cache[tagName].cloneNode(false), attributes);
  2.1785 +  };
  2.1786 +  Object.extend(global.Element, element || { });
  2.1787 +  if (element) global.Element.prototype = element.prototype;
  2.1788 +})(this);
  2.1789 +
  2.1790 +Element.cache = { };
  2.1791 +Element.idCounter = 1;
  2.1792 +
  2.1793 +Element.Methods = {
  2.1794 +  visible: function(element) {
  2.1795 +    return $(element).style.display != 'none';
  2.1796 +  },
  2.1797 +
  2.1798 +  toggle: function(element) {
  2.1799 +    element = $(element);
  2.1800 +    Element[Element.visible(element) ? 'hide' : 'show'](element);
  2.1801 +    return element;
  2.1802 +  },
  2.1803 +
  2.1804 +
  2.1805 +  hide: function(element) {
  2.1806 +    element = $(element);
  2.1807 +    element.style.display = 'none';
  2.1808 +    return element;
  2.1809 +  },
  2.1810 +
  2.1811 +  show: function(element) {
  2.1812 +    element = $(element);
  2.1813 +    element.style.display = '';
  2.1814 +    return element;
  2.1815 +  },
  2.1816 +
  2.1817 +  remove: function(element) {
  2.1818 +    element = $(element);
  2.1819 +    element.parentNode.removeChild(element);
  2.1820 +    return element;
  2.1821 +  },
  2.1822 +
  2.1823 +  update: (function(){
  2.1824 +
  2.1825 +    var SELECT_ELEMENT_INNERHTML_BUGGY = (function(){
  2.1826 +      var el = document.createElement("select"),
  2.1827 +          isBuggy = true;
  2.1828 +      el.innerHTML = "<option value=\"test\">test</option>";
  2.1829 +      if (el.options && el.options[0]) {
  2.1830 +        isBuggy = el.options[0].nodeName.toUpperCase() !== "OPTION";
  2.1831 +      }
  2.1832 +      el = null;
  2.1833 +      return isBuggy;
  2.1834 +    })();
  2.1835 +
  2.1836 +    var TABLE_ELEMENT_INNERHTML_BUGGY = (function(){
  2.1837 +      try {
  2.1838 +        var el = document.createElement("table");
  2.1839 +        if (el && el.tBodies) {
  2.1840 +          el.innerHTML = "<tbody><tr><td>test</td></tr></tbody>";
  2.1841 +          var isBuggy = typeof el.tBodies[0] == "undefined";
  2.1842 +          el = null;
  2.1843 +          return isBuggy;
  2.1844 +        }
  2.1845 +      } catch (e) {
  2.1846 +        return true;
  2.1847 +      }
  2.1848 +    })();
  2.1849 +
  2.1850 +    var SCRIPT_ELEMENT_REJECTS_TEXTNODE_APPENDING = (function () {
  2.1851 +      var s = document.createElement("script"),
  2.1852 +          isBuggy = false;
  2.1853 +      try {
  2.1854 +        s.appendChild(document.createTextNode(""));
  2.1855 +        isBuggy = !s.firstChild ||
  2.1856 +          s.firstChild && s.firstChild.nodeType !== 3;
  2.1857 +      } catch (e) {
  2.1858 +        isBuggy = true;
  2.1859 +      }
  2.1860 +      s = null;
  2.1861 +      return isBuggy;
  2.1862 +    })();
  2.1863 +
  2.1864 +    function update(element, content) {
  2.1865 +      element = $(element);
  2.1866 +
  2.1867 +      if (content && content.toElement)
  2.1868 +        content = content.toElement();
  2.1869 +
  2.1870 +      if (Object.isElement(content))
  2.1871 +        return element.update().insert(content);
  2.1872 +
  2.1873 +      content = Object.toHTML(content);
  2.1874 +
  2.1875 +      var tagName = element.tagName.toUpperCase();
  2.1876 +
  2.1877 +      if (tagName === 'SCRIPT' && SCRIPT_ELEMENT_REJECTS_TEXTNODE_APPENDING) {
  2.1878 +        element.text = content;
  2.1879 +        return element;
  2.1880 +      }
  2.1881 +
  2.1882 +      if (SELECT_ELEMENT_INNERHTML_BUGGY || TABLE_ELEMENT_INNERHTML_BUGGY) {
  2.1883 +        if (tagName in Element._insertionTranslations.tags) {
  2.1884 +          while (element.firstChild) {
  2.1885 +            element.removeChild(element.firstChild);
  2.1886 +          }
  2.1887 +          Element._getContentFromAnonymousElement(tagName, content.stripScripts())
  2.1888 +            .each(function(node) {
  2.1889 +              element.appendChild(node)
  2.1890 +            });
  2.1891 +        }
  2.1892 +        else {
  2.1893 +          element.innerHTML = content.stripScripts();
  2.1894 +        }
  2.1895 +      }
  2.1896 +      else {
  2.1897 +        element.innerHTML = content.stripScripts();
  2.1898 +      }
  2.1899 +
  2.1900 +      content.evalScripts.bind(content).defer();
  2.1901 +      return element;
  2.1902 +    }
  2.1903 +
  2.1904 +    return update;
  2.1905 +  })(),
  2.1906 +
  2.1907 +  replace: function(element, content) {
  2.1908 +    element = $(element);
  2.1909 +    if (content && content.toElement) content = content.toElement();
  2.1910 +    else if (!Object.isElement(content)) {
  2.1911 +      content = Object.toHTML(content);
  2.1912 +      var range = element.ownerDocument.createRange();
  2.1913 +      range.selectNode(element);
  2.1914 +      content.evalScripts.bind(content).defer();
  2.1915 +      content = range.createContextualFragment(content.stripScripts());
  2.1916 +    }
  2.1917 +    element.parentNode.replaceChild(content, element);
  2.1918 +    return element;
  2.1919 +  },
  2.1920 +
  2.1921 +  insert: function(element, insertions) {
  2.1922 +    element = $(element);
  2.1923 +
  2.1924 +    if (Object.isString(insertions) || Object.isNumber(insertions) ||
  2.1925 +        Object.isElement(insertions) || (insertions && (insertions.toElement || insertions.toHTML)))
  2.1926 +          insertions = {bottom:insertions};
  2.1927 +
  2.1928 +    var content, insert, tagName, childNodes;
  2.1929 +
  2.1930 +    for (var position in insertions) {
  2.1931 +      content  = insertions[position];
  2.1932 +      position = position.toLowerCase();
  2.1933 +      insert = Element._insertionTranslations[position];
  2.1934 +
  2.1935 +      if (content && content.toElement) content = content.toElement();
  2.1936 +      if (Object.isElement(content)) {
  2.1937 +        insert(element, content);
  2.1938 +        continue;
  2.1939 +      }
  2.1940 +
  2.1941 +      content = Object.toHTML(content);
  2.1942 +
  2.1943 +      tagName = ((position == 'before' || position == 'after')
  2.1944 +        ? element.parentNode : element).tagName.toUpperCase();
  2.1945 +
  2.1946 +      childNodes = Element._getContentFromAnonymousElement(tagName, content.stripScripts());
  2.1947 +
  2.1948 +      if (position == 'top' || position == 'after') childNodes.reverse();
  2.1949 +      childNodes.each(insert.curry(element));
  2.1950 +
  2.1951 +      content.evalScripts.bind(content).defer();
  2.1952 +    }
  2.1953 +
  2.1954 +    return element;
  2.1955 +  },
  2.1956 +
  2.1957 +  wrap: function(element, wrapper, attributes) {
  2.1958 +    element = $(element);
  2.1959 +    if (Object.isElement(wrapper))
  2.1960 +      $(wrapper).writeAttribute(attributes || { });
  2.1961 +    else if (Object.isString(wrapper)) wrapper = new Element(wrapper, attributes);
  2.1962 +    else wrapper = new Element('div', wrapper);
  2.1963 +    if (element.parentNode)
  2.1964 +      element.parentNode.replaceChild(wrapper, element);
  2.1965 +    wrapper.appendChild(element);
  2.1966 +    return wrapper;
  2.1967 +  },
  2.1968 +
  2.1969 +  inspect: function(element) {
  2.1970 +    element = $(element);
  2.1971 +    var result = '<' + element.tagName.toLowerCase();
  2.1972 +    $H({'id': 'id', 'className': 'class'}).each(function(pair) {
  2.1973 +      var property = pair.first(), attribute = pair.last();
  2.1974 +      var value = (element[property] || '').toString();
  2.1975 +      if (value) result += ' ' + attribute + '=' + value.inspect(true);
  2.1976 +    });
  2.1977 +    return result + '>';
  2.1978 +  },
  2.1979 +
  2.1980 +  recursivelyCollect: function(element, property) {
  2.1981 +    element = $(element);
  2.1982 +    var elements = [];
  2.1983 +    while (element = element[property])
  2.1984 +      if (element.nodeType == 1)
  2.1985 +        elements.push(Element.extend(element));
  2.1986 +    return elements;
  2.1987 +  },
  2.1988 +
  2.1989 +  ancestors: function(element) {
  2.1990 +    return Element.recursivelyCollect(element, 'parentNode');
  2.1991 +  },
  2.1992 +
  2.1993 +  descendants: function(element) {
  2.1994 +    return Element.select(element, "*");
  2.1995 +  },
  2.1996 +
  2.1997 +  firstDescendant: function(element) {
  2.1998 +    element = $(element).firstChild;
  2.1999 +    while (element && element.nodeType != 1) element = element.nextSibling;
  2.2000 +    return $(element);
  2.2001 +  },
  2.2002 +
  2.2003 +  immediateDescendants: function(element) {
  2.2004 +    if (!(element = $(element).firstChild)) return [];
  2.2005 +    while (element && element.nodeType != 1) element = element.nextSibling;
  2.2006 +    if (element) return [element].concat($(element).nextSiblings());
  2.2007 +    return [];
  2.2008 +  },
  2.2009 +
  2.2010 +  previousSiblings: function(element) {
  2.2011 +    return Element.recursivelyCollect(element, 'previousSibling');
  2.2012 +  },
  2.2013 +
  2.2014 +  nextSiblings: function(element) {
  2.2015 +    return Element.recursivelyCollect(element, 'nextSibling');
  2.2016 +  },
  2.2017 +
  2.2018 +  siblings: function(element) {
  2.2019 +    element = $(element);
  2.2020 +    return Element.previousSiblings(element).reverse()
  2.2021 +      .concat(Element.nextSiblings(element));
  2.2022 +  },
  2.2023 +
  2.2024 +  match: function(element, selector) {
  2.2025 +    if (Object.isString(selector))
  2.2026 +      selector = new Selector(selector);
  2.2027 +    return selector.match($(element));
  2.2028 +  },
  2.2029 +
  2.2030 +  up: function(element, expression, index) {
  2.2031 +    element = $(element);
  2.2032 +    if (arguments.length == 1) return $(element.parentNode);
  2.2033 +    var ancestors = Element.ancestors(element);
  2.2034 +    return Object.isNumber(expression) ? ancestors[expression] :
  2.2035 +      Selector.findElement(ancestors, expression, index);
  2.2036 +  },
  2.2037 +
  2.2038 +  down: function(element, expression, index) {
  2.2039 +    element = $(element);
  2.2040 +    if (arguments.length == 1) return Element.firstDescendant(element);
  2.2041 +    return Object.isNumber(expression) ? Element.descendants(element)[expression] :
  2.2042 +      Element.select(element, expression)[index || 0];
  2.2043 +  },
  2.2044 +
  2.2045 +  previous: function(element, expression, index) {
  2.2046 +    element = $(element);
  2.2047 +    if (arguments.length == 1) return $(Selector.handlers.previousElementSibling(element));
  2.2048 +    var previousSiblings = Element.previousSiblings(element);
  2.2049 +    return Object.isNumber(expression) ? previousSiblings[expression] :
  2.2050 +      Selector.findElement(previousSiblings, expression, index);
  2.2051 +  },
  2.2052 +
  2.2053 +  next: function(element, expression, index) {
  2.2054 +    element = $(element);
  2.2055 +    if (arguments.length == 1) return $(Selector.handlers.nextElementSibling(element));
  2.2056 +    var nextSiblings = Element.nextSiblings(element);
  2.2057 +    return Object.isNumber(expression) ? nextSiblings[expression] :
  2.2058 +      Selector.findElement(nextSiblings, expression, index);
  2.2059 +  },
  2.2060 +
  2.2061 +
  2.2062 +  select: function(element) {
  2.2063 +    var args = Array.prototype.slice.call(arguments, 1);
  2.2064 +    return Selector.findChildElements(element, args);
  2.2065 +  },
  2.2066 +
  2.2067 +  adjacent: function(element) {
  2.2068 +    var args = Array.prototype.slice.call(arguments, 1);
  2.2069 +    return Selector.findChildElements(element.parentNode, args).without(element);
  2.2070 +  },
  2.2071 +
  2.2072 +  identify: function(element) {
  2.2073 +    element = $(element);
  2.2074 +    var id = Element.readAttribute(element, 'id');
  2.2075 +    if (id) return id;
  2.2076 +    do { id = 'anonymous_element_' + Element.idCounter++ } while ($(id));
  2.2077 +    Element.writeAttribute(element, 'id', id);
  2.2078 +    return id;
  2.2079 +  },
  2.2080 +
  2.2081 +  readAttribute: function(element, name) {
  2.2082 +    element = $(element);
  2.2083 +    if (Prototype.Browser.IE) {
  2.2084 +      var t = Element._attributeTranslations.read;
  2.2085 +      if (t.values[name]) return t.values[name](element, name);
  2.2086 +      if (t.names[name]) name = t.names[name];
  2.2087 +      if (name.include(':')) {
  2.2088 +        return (!element.attributes || !element.attributes[name]) ? null :
  2.2089 +         element.attributes[name].value;
  2.2090 +      }
  2.2091 +    }
  2.2092 +    return element.getAttribute(name);
  2.2093 +  },
  2.2094 +
  2.2095 +  writeAttribute: function(element, name, value) {
  2.2096 +    element = $(element);
  2.2097 +    var attributes = { }, t = Element._attributeTranslations.write;
  2.2098 +
  2.2099 +    if (typeof name == 'object') attributes = name;
  2.2100 +    else attributes[name] = Object.isUndefined(value) ? true : value;
  2.2101 +
  2.2102 +    for (var attr in attributes) {
  2.2103 +      name = t.names[attr] || attr;
  2.2104 +      value = attributes[attr];
  2.2105 +      if (t.values[attr]) name = t.values[attr](element, value);
  2.2106 +      if (value === false || value === null)
  2.2107 +        element.removeAttribute(name);
  2.2108 +      else if (value === true)
  2.2109 +        element.setAttribute(name, name);
  2.2110 +      else element.setAttribute(name, value);
  2.2111 +    }
  2.2112 +    return element;
  2.2113 +  },
  2.2114 +
  2.2115 +  getHeight: function(element) {
  2.2116 +    return Element.getDimensions(element).height;
  2.2117 +  },
  2.2118 +
  2.2119 +  getWidth: function(element) {
  2.2120 +    return Element.getDimensions(element).width;
  2.2121 +  },
  2.2122 +
  2.2123 +  classNames: function(element) {
  2.2124 +    return new Element.ClassNames(element);
  2.2125 +  },
  2.2126 +
  2.2127 +  hasClassName: function(element, className) {
  2.2128 +    if (!(element = $(element))) return;
  2.2129 +    var elementClassName = element.className;
  2.2130 +    return (elementClassName.length > 0 && (elementClassName == className ||
  2.2131 +      new RegExp("(^|\\s)" + className + "(\\s|$)").test(elementClassName)));
  2.2132 +  },
  2.2133 +
  2.2134 +  addClassName: function(element, className) {
  2.2135 +    if (!(element = $(element))) return;
  2.2136 +    if (!Element.hasClassName(element, className))
  2.2137 +      element.className += (element.className ? ' ' : '') + className;
  2.2138 +    return element;
  2.2139 +  },
  2.2140 +
  2.2141 +  removeClassName: function(element, className) {
  2.2142 +    if (!(element = $(element))) return;
  2.2143 +    element.className = element.className.replace(
  2.2144 +      new RegExp("(^|\\s+)" + className + "(\\s+|$)"), ' ').strip();
  2.2145 +    return element;
  2.2146 +  },
  2.2147 +
  2.2148 +  toggleClassName: function(element, className) {
  2.2149 +    if (!(element = $(element))) return;
  2.2150 +    return Element[Element.hasClassName(element, className) ?
  2.2151 +      'removeClassName' : 'addClassName'](element, className);
  2.2152 +  },
  2.2153 +
  2.2154 +  cleanWhitespace: function(element) {
  2.2155 +    element = $(element);
  2.2156 +    var node = element.firstChild;
  2.2157 +    while (node) {
  2.2158 +      var nextNode = node.nextSibling;
  2.2159 +      if (node.nodeType == 3 && !/\S/.test(node.nodeValue))
  2.2160 +        element.removeChild(node);
  2.2161 +      node = nextNode;
  2.2162 +    }
  2.2163 +    return element;
  2.2164 +  },
  2.2165 +
  2.2166 +  empty: function(element) {
  2.2167 +    return $(element).innerHTML.blank();
  2.2168 +  },
  2.2169 +
  2.2170 +  descendantOf: function(element, ancestor) {
  2.2171 +    element = $(element), ancestor = $(ancestor);
  2.2172 +
  2.2173 +    if (element.compareDocumentPosition)
  2.2174 +      return (element.compareDocumentPosition(ancestor) & 8) === 8;
  2.2175 +
  2.2176 +    if (ancestor.contains)
  2.2177 +      return ancestor.contains(element) && ancestor !== element;
  2.2178 +
  2.2179 +    while (element = element.parentNode)
  2.2180 +      if (element == ancestor) return true;
  2.2181 +
  2.2182 +    return false;
  2.2183 +  },
  2.2184 +
  2.2185 +  scrollTo: function(element) {
  2.2186 +    element = $(element);
  2.2187 +    var pos = Element.cumulativeOffset(element);
  2.2188 +    window.scrollTo(pos[0], pos[1]);
  2.2189 +    return element;
  2.2190 +  },
  2.2191 +
  2.2192 +  getStyle: function(element, style) {
  2.2193 +    element = $(element);
  2.2194 +    style = style == 'float' ? 'cssFloat' : style.camelize();
  2.2195 +    var value = element.style[style];
  2.2196 +    if (!value || value == 'auto') {
  2.2197 +      var css = document.defaultView.getComputedStyle(element, null);
  2.2198 +      value = css ? css[style] : null;
  2.2199 +    }
  2.2200 +    if (style == 'opacity') return value ? parseFloat(value) : 1.0;
  2.2201 +    return value == 'auto' ? null : value;
  2.2202 +  },
  2.2203 +
  2.2204 +  getOpacity: function(element) {
  2.2205 +    return $(element).getStyle('opacity');
  2.2206 +  },
  2.2207 +
  2.2208 +  setStyle: function(element, styles) {
  2.2209 +    element = $(element);
  2.2210 +    var elementStyle = element.style, match;
  2.2211 +    if (Object.isString(styles)) {
  2.2212 +      element.style.cssText += ';' + styles;
  2.2213 +      return styles.include('opacity') ?
  2.2214 +        element.setOpacity(styles.match(/opacity:\s*(\d?\.?\d*)/)[1]) : element;
  2.2215 +    }
  2.2216 +    for (var property in styles)
  2.2217 +      if (property == 'opacity') element.setOpacity(styles[property]);
  2.2218 +      else
  2.2219 +        elementStyle[(property == 'float' || property == 'cssFloat') ?
  2.2220 +          (Object.isUndefined(elementStyle.styleFloat) ? 'cssFloat' : 'styleFloat') :
  2.2221 +            property] = styles[property];
  2.2222 +
  2.2223 +    return element;
  2.2224 +  },
  2.2225 +
  2.2226 +  setOpacity: function(element, value) {
  2.2227 +    element = $(element);
  2.2228 +    element.style.opacity = (value == 1 || value === '') ? '' :
  2.2229 +      (value < 0.00001) ? 0 : value;
  2.2230 +    return element;
  2.2231 +  },
  2.2232 +
  2.2233 +  getDimensions: function(element) {
  2.2234 +    element = $(element);
  2.2235 +    var display = Element.getStyle(element, 'display');
  2.2236 +    if (display != 'none' && display != null) // Safari bug
  2.2237 +      return {width: element.offsetWidth, height: element.offsetHeight};
  2.2238 +
  2.2239 +    var els = element.style;
  2.2240 +    var originalVisibility = els.visibility;
  2.2241 +    var originalPosition = els.position;
  2.2242 +    var originalDisplay = els.display;
  2.2243 +    els.visibility = 'hidden';
  2.2244 +    if (originalPosition != 'fixed') // Switching fixed to absolute causes issues in Safari
  2.2245 +      els.position = 'absolute';
  2.2246 +    els.display = 'block';
  2.2247 +    var originalWidth = element.clientWidth;
  2.2248 +    var originalHeight = element.clientHeight;
  2.2249 +    els.display = originalDisplay;
  2.2250 +    els.position = originalPosition;
  2.2251 +    els.visibility = originalVisibility;
  2.2252 +    return {width: originalWidth, height: originalHeight};
  2.2253 +  },
  2.2254 +
  2.2255 +  makePositioned: function(element) {
  2.2256 +    element = $(element);
  2.2257 +    var pos = Element.getStyle(element, 'position');
  2.2258 +    if (pos == 'static' || !pos) {
  2.2259 +      element._madePositioned = true;
  2.2260 +      element.style.position = 'relative';
  2.2261 +      if (Prototype.Browser.Opera) {
  2.2262 +        element.style.top = 0;
  2.2263 +        element.style.left = 0;
  2.2264 +      }
  2.2265 +    }
  2.2266 +    return element;
  2.2267 +  },
  2.2268 +
  2.2269 +  undoPositioned: function(element) {
  2.2270 +    element = $(element);
  2.2271 +    if (element._madePositioned) {
  2.2272 +      element._madePositioned = undefined;
  2.2273 +      element.style.position =
  2.2274 +        element.style.top =
  2.2275 +        element.style.left =
  2.2276 +        element.style.bottom =
  2.2277 +        element.style.right = '';
  2.2278 +    }
  2.2279 +    return element;
  2.2280 +  },
  2.2281 +
  2.2282 +  makeClipping: function(element) {
  2.2283 +    element = $(element);
  2.2284 +    if (element._overflow) return element;
  2.2285 +    element._overflow = Element.getStyle(element, 'overflow') || 'auto';
  2.2286 +    if (element._overflow !== 'hidden')
  2.2287 +      element.style.overflow = 'hidden';
  2.2288 +    return element;
  2.2289 +  },
  2.2290 +
  2.2291 +  undoClipping: function(element) {
  2.2292 +    element = $(element);
  2.2293 +    if (!element._overflow) return element;
  2.2294 +    element.style.overflow = element._overflow == 'auto' ? '' : element._overflow;
  2.2295 +    element._overflow = null;
  2.2296 +    return element;
  2.2297 +  },
  2.2298 +
  2.2299 +  cumulativeOffset: function(element) {
  2.2300 +    var valueT = 0, valueL = 0;
  2.2301 +    do {
  2.2302 +      valueT += element.offsetTop  || 0;
  2.2303 +      valueL += element.offsetLeft || 0;
  2.2304 +      element = element.offsetParent;
  2.2305 +    } while (element);
  2.2306 +    return Element._returnOffset(valueL, valueT);
  2.2307 +  },
  2.2308 +
  2.2309 +  positionedOffset: function(element) {
  2.2310 +    var valueT = 0, valueL = 0;
  2.2311 +    do {
  2.2312 +      valueT += element.offsetTop  || 0;
  2.2313 +      valueL += element.offsetLeft || 0;
  2.2314 +      element = element.offsetParent;
  2.2315 +      if (element) {
  2.2316 +        if (element.tagName.toUpperCase() == 'BODY') break;
  2.2317 +        var p = Element.getStyle(element, 'position');
  2.2318 +        if (p !== 'static') break;
  2.2319 +      }
  2.2320 +    } while (element);
  2.2321 +    return Element._returnOffset(valueL, valueT);
  2.2322 +  },
  2.2323 +
  2.2324 +  absolutize: function(element) {
  2.2325 +    element = $(element);
  2.2326 +    if (Element.getStyle(element, 'position') == 'absolute') return element;
  2.2327 +
  2.2328 +    var offsets = Element.positionedOffset(element);
  2.2329 +    var top     = offsets[1];
  2.2330 +    var left    = offsets[0];
  2.2331 +    var width   = element.clientWidth;
  2.2332 +    var height  = element.clientHeight;
  2.2333 +
  2.2334 +    element._originalLeft   = left - parseFloat(element.style.left  || 0);
  2.2335 +    element._originalTop    = top  - parseFloat(element.style.top || 0);
  2.2336 +    element._originalWidth  = element.style.width;
  2.2337 +    element._originalHeight = element.style.height;
  2.2338 +
  2.2339 +    element.style.position = 'absolute';
  2.2340 +    element.style.top    = top + 'px';
  2.2341 +    element.style.left   = left + 'px';
  2.2342 +    element.style.width  = width + 'px';
  2.2343 +    element.style.height = height + 'px';
  2.2344 +    return element;
  2.2345 +  },
  2.2346 +
  2.2347 +  relativize: function(element) {
  2.2348 +    element = $(element);
  2.2349 +    if (Element.getStyle(element, 'position') == 'relative') return element;
  2.2350 +
  2.2351 +    element.style.position = 'relative';
  2.2352 +    var top  = parseFloat(element.style.top  || 0) - (element._originalTop || 0);
  2.2353 +    var left = parseFloat(element.style.left || 0) - (element._originalLeft || 0);
  2.2354 +
  2.2355 +    element.style.top    = top + 'px';
  2.2356 +    element.style.left   = left + 'px';
  2.2357 +    element.style.height = element._originalHeight;
  2.2358 +    element.style.width  = element._originalWidth;
  2.2359 +    return element;
  2.2360 +  },
  2.2361 +
  2.2362 +  cumulativeScrollOffset: function(element) {
  2.2363 +    var valueT = 0, valueL = 0;
  2.2364 +    do {
  2.2365 +      valueT += element.scrollTop  || 0;
  2.2366 +      valueL += element.scrollLeft || 0;
  2.2367 +      element = element.parentNode;
  2.2368 +    } while (element);
  2.2369 +    return Element._returnOffset(valueL, valueT);
  2.2370 +  },
  2.2371 +
  2.2372 +  getOffsetParent: function(element) {
  2.2373 +    if (element.offsetParent) return $(element.offsetParent);
  2.2374 +    if (element == document.body) return $(element);
  2.2375 +
  2.2376 +    while ((element = element.parentNode) && element != document.body)
  2.2377 +      if (Element.getStyle(element, 'position') != 'static')
  2.2378 +        return $(element);
  2.2379 +
  2.2380 +    return $(document.body);
  2.2381 +  },
  2.2382 +
  2.2383 +  viewportOffset: function(forElement) {
  2.2384 +    var valueT = 0, valueL = 0;
  2.2385 +
  2.2386 +    var element = forElement;
  2.2387 +    do {
  2.2388 +      valueT += element.offsetTop  || 0;
  2.2389 +      valueL += element.offsetLeft || 0;
  2.2390 +
  2.2391 +      if (element.offsetParent == document.body &&
  2.2392 +        Element.getStyle(element, 'position') == 'absolute') break;
  2.2393 +
  2.2394 +    } while (element = element.offsetParent);
  2.2395 +
  2.2396 +    element = forElement;
  2.2397 +    do {
  2.2398 +      if (!Prototype.Browser.Opera || (element.tagName && (element.tagName.toUpperCase() == 'BODY'))) {
  2.2399 +        valueT -= element.scrollTop  || 0;
  2.2400 +        valueL -= element.scrollLeft || 0;
  2.2401 +      }
  2.2402 +    } while (element = element.parentNode);
  2.2403 +
  2.2404 +    return Element._returnOffset(valueL, valueT);
  2.2405 +  },
  2.2406 +
  2.2407 +  clonePosition: function(element, source) {
  2.2408 +    var options = Object.extend({
  2.2409 +      setLeft:    true,
  2.2410 +      setTop:     true,
  2.2411 +      setWidth:   true,
  2.2412 +      setHeight:  true,
  2.2413 +      offsetTop:  0,
  2.2414 +      offsetLeft: 0
  2.2415 +    }, arguments[2] || { });
  2.2416 +
  2.2417 +    source = $(source);
  2.2418 +    var p = Element.viewportOffset(source);
  2.2419 +
  2.2420 +    element = $(element);
  2.2421 +    var delta = [0, 0];
  2.2422 +    var parent = null;
  2.2423 +    if (Element.getStyle(element, 'position') == 'absolute') {
  2.2424 +      parent = Element.getOffsetParent(element);
  2.2425 +      delta = Element.viewportOffset(parent);
  2.2426 +    }
  2.2427 +
  2.2428 +    if (parent == document.body) {
  2.2429 +      delta[0] -= document.body.offsetLeft;
  2.2430 +      delta[1] -= document.body.offsetTop;
  2.2431 +    }
  2.2432 +
  2.2433 +    if (options.setLeft)   element.style.left  = (p[0] - delta[0] + options.offsetLeft) + 'px';
  2.2434 +    if (options.setTop)    element.style.top   = (p[1] - delta[1] + options.offsetTop) + 'px';
  2.2435 +    if (options.setWidth)  element.style.width = source.offsetWidth + 'px';
  2.2436 +    if (options.setHeight) element.style.height = source.offsetHeight + 'px';
  2.2437 +    return element;
  2.2438 +  }
  2.2439 +};
  2.2440 +
  2.2441 +Object.extend(Element.Methods, {
  2.2442 +  getElementsBySelector: Element.Methods.select,
  2.2443 +
  2.2444 +  childElements: Element.Methods.immediateDescendants
  2.2445 +});
  2.2446 +
  2.2447 +Element._attributeTranslations = {
  2.2448 +  write: {
  2.2449 +    names: {
  2.2450 +      className: 'class',
  2.2451 +      htmlFor:   'for'
  2.2452 +    },
  2.2453 +    values: { }
  2.2454 +  }
  2.2455 +};
  2.2456 +
  2.2457 +if (Prototype.Browser.Opera) {
  2.2458 +  Element.Methods.getStyle = Element.Methods.getStyle.wrap(
  2.2459 +    function(proceed, element, style) {
  2.2460 +      switch (style) {
  2.2461 +        case 'left': case 'top': case 'right': case 'bottom':
  2.2462 +          if (proceed(element, 'position') === 'static') return null;
  2.2463 +        case 'height': case 'width':
  2.2464 +          if (!Element.visible(element)) return null;
  2.2465 +
  2.2466 +          var dim = parseInt(proceed(element, style), 10);
  2.2467 +
  2.2468 +          if (dim !== element['offset' + style.capitalize()])
  2.2469 +            return dim + 'px';
  2.2470 +
  2.2471 +          var properties;
  2.2472 +          if (style === 'height') {
  2.2473 +            properties = ['border-top-width', 'padding-top',
  2.2474 +             'padding-bottom', 'border-bottom-width'];
  2.2475 +          }
  2.2476 +          else {
  2.2477 +            properties = ['border-left-width', 'padding-left',
  2.2478 +             'padding-right', 'border-right-width'];
  2.2479 +          }
  2.2480 +          return properties.inject(dim, function(memo, property) {
  2.2481 +            var val = proceed(element, property);
  2.2482 +            return val === null ? memo : memo - parseInt(val, 10);
  2.2483 +          }) + 'px';
  2.2484 +        default: return proceed(element, style);
  2.2485 +      }
  2.2486 +    }
  2.2487 +  );
  2.2488 +
  2.2489 +  Element.Methods.readAttribute = Element.Methods.readAttribute.wrap(
  2.2490 +    function(proceed, element, attribute) {
  2.2491 +      if (attribute === 'title') return element.title;
  2.2492 +      return proceed(element, attribute);
  2.2493 +    }
  2.2494 +  );
  2.2495 +}
  2.2496 +
  2.2497 +else if (Prototype.Browser.IE) {
  2.2498 +  Element.Methods.getOffsetParent = Element.Methods.getOffsetParent.wrap(
  2.2499 +    function(proceed, element) {
  2.2500 +      element = $(element);
  2.2501 +      try { element.offsetParent }
  2.2502 +      catch(e) { return $(document.body) }
  2.2503 +      var position = element.getStyle('position');
  2.2504 +      if (position !== 'static') return proceed(element);
  2.2505 +      element.setStyle({ position: 'relative' });
  2.2506 +      var value = proceed(element);
  2.2507 +      element.setStyle({ position: position });
  2.2508 +      return value;
  2.2509 +    }
  2.2510 +  );
  2.2511 +
  2.2512 +  $w('positionedOffset viewportOffset').each(function(method) {
  2.2513 +    Element.Methods[method] = Element.Methods[method].wrap(
  2.2514 +      function(proceed, element) {
  2.2515 +        element = $(element);
  2.2516 +        try { element.offsetParent }
  2.2517 +        catch(e) { return Element._returnOffset(0,0) }
  2.2518 +        var position = element.getStyle('position');
  2.2519 +        if (position !== 'static') return proceed(element);
  2.2520 +        var offsetParent = element.getOffsetParent();
  2.2521 +        if (offsetParent && offsetParent.getStyle('position') === 'fixed')
  2.2522 +          offsetParent.setStyle({ zoom: 1 });
  2.2523 +        element.setStyle({ position: 'relative' });
  2.2524 +        var value = proceed(element);
  2.2525 +        element.setStyle({ position: position });
  2.2526 +        return value;
  2.2527 +      }
  2.2528 +    );
  2.2529 +  });
  2.2530 +
  2.2531 +  Element.Methods.cumulativeOffset = Element.Methods.cumulativeOffset.wrap(
  2.2532 +    function(proceed, element) {
  2.2533 +      try { element.offsetParent }
  2.2534 +      catch(e) { return Element._returnOffset(0,0) }
  2.2535 +      return proceed(element);
  2.2536 +    }
  2.2537 +  );
  2.2538 +
  2.2539 +  Element.Methods.getStyle = function(element, style) {
  2.2540 +    element = $(element);
  2.2541 +    style = (style == 'float' || style == 'cssFloat') ? 'styleFloat' : style.camelize();
  2.2542 +    var value = element.style[style];
  2.2543 +    if (!value && element.currentStyle) value = element.currentStyle[style];
  2.2544 +
  2.2545 +    if (style == 'opacity') {
  2.2546 +      if (value = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/))
  2.2547 +        if (value[1]) return parseFloat(value[1]) / 100;
  2.2548 +      return 1.0;
  2.2549 +    }
  2.2550 +
  2.2551 +    if (value == 'auto') {
  2.2552 +      if ((style == 'width' || style == 'height') && (element.getStyle('display') != 'none'))
  2.2553 +        return element['offset' + style.capitalize()] + 'px';
  2.2554 +      return null;
  2.2555 +    }
  2.2556 +    return value;
  2.2557 +  };
  2.2558 +
  2.2559 +  Element.Methods.setOpacity = function(element, value) {
  2.2560 +    function stripAlpha(filter){
  2.2561 +      return filter.replace(/alpha\([^\)]*\)/gi,'');
  2.2562 +    }
  2.2563 +    element = $(element);
  2.2564 +    var currentStyle = element.currentStyle;
  2.2565 +    if ((currentStyle && !currentStyle.hasLayout) ||
  2.2566 +      (!currentStyle && element.style.zoom == 'normal'))
  2.2567 +        element.style.zoom = 1;
  2.2568 +
  2.2569 +    var filter = element.getStyle('filter'), style = element.style;
  2.2570 +    if (value == 1 || value === '') {
  2.2571 +      (filter = stripAlpha(filter)) ?
  2.2572 +        style.filter = filter : style.removeAttribute('filter');
  2.2573 +      return element;
  2.2574 +    } else if (value < 0.00001) value = 0;
  2.2575 +    style.filter = stripAlpha(filter) +
  2.2576 +      'alpha(opacity=' + (value * 100) + ')';
  2.2577 +    return element;
  2.2578 +  };
  2.2579 +
  2.2580 +  Element._attributeTranslations = (function(){
  2.2581 +
  2.2582 +    var classProp = 'className';
  2.2583 +    var forProp = 'for';
  2.2584 +
  2.2585 +    var el = document.createElement('div');
  2.2586 +
  2.2587 +    el.setAttribute(classProp, 'x');
  2.2588 +
  2.2589 +    if (el.className !== 'x') {
  2.2590 +      el.setAttribute('class', 'x');
  2.2591 +      if (el.className === 'x') {
  2.2592 +        classProp = 'class';
  2.2593 +      }
  2.2594 +    }
  2.2595 +    el = null;
  2.2596 +
  2.2597 +    el = document.createElement('label');
  2.2598 +    el.setAttribute(forProp, 'x');
  2.2599 +    if (el.htmlFor !== 'x') {
  2.2600 +      el.setAttribute('htmlFor', 'x');
  2.2601 +      if (el.htmlFor === 'x') {
  2.2602 +        forProp = 'htmlFor';
  2.2603 +      }
  2.2604 +    }
  2.2605 +    el = null;
  2.2606 +
  2.2607 +    return {
  2.2608 +      read: {
  2.2609 +        names: {
  2.2610 +          'class':      classProp,
  2.2611 +          'className':  classProp,
  2.2612 +          'for':        forProp,
  2.2613 +          'htmlFor':    forProp
  2.2614 +        },
  2.2615 +        values: {
  2.2616 +          _getAttr: function(element, attribute) {
  2.2617 +            return element.getAttribute(attribute);
  2.2618 +          },
  2.2619 +          _getAttr2: function(element, attribute) {
  2.2620 +            return element.getAttribute(attribute, 2);
  2.2621 +          },
  2.2622 +          _getAttrNode: function(element, attribute) {
  2.2623 +            var node = element.getAttributeNode(attribute);
  2.2624 +            return node ? node.value : "";
  2.2625 +          },
  2.2626 +          _getEv: (function(){
  2.2627 +
  2.2628 +            var el = document.createElement('div');
  2.2629 +            el.onclick = Prototype.emptyFunction;
  2.2630 +            var value = el.getAttribute('onclick');
  2.2631 +            var f;
  2.2632 +
  2.2633 +            if (String(value).indexOf('{') > -1) {
  2.2634 +              f = function(element, attribute) {
  2.2635 +                attribute = element.getAttribute(attribute);
  2.2636 +                if (!attribute) return null;
  2.2637 +                attribute = attribute.toString();
  2.2638 +                attribute = attribute.split('{')[1];
  2.2639 +                attribute = attribute.split('}')[0];
  2.2640 +                return attribute.strip();
  2.2641 +              };
  2.2642 +            }
  2.2643 +            else if (value === '') {
  2.2644 +              f = function(element, attribute) {
  2.2645 +                attribute = element.getAttribute(attribute);
  2.2646 +                if (!attribute) return null;
  2.2647 +                return attribute.strip();
  2.2648 +              };
  2.2649 +            }
  2.2650 +            el = null;
  2.2651 +            return f;
  2.2652 +          })(),
  2.2653 +          _flag: function(element, attribute) {
  2.2654 +            return $(element).hasAttribute(attribute) ? attribute : null;
  2.2655 +          },
  2.2656 +          style: function(element) {
  2.2657 +            return element.style.cssText.toLowerCase();
  2.2658 +          },
  2.2659 +          title: function(element) {
  2.2660 +            return element.title;
  2.2661 +          }
  2.2662 +        }
  2.2663 +      }
  2.2664 +    }
  2.2665 +  })();
  2.2666 +
  2.2667 +  Element._attributeTranslations.write = {
  2.2668 +    names: Object.extend({
  2.2669 +      cellpadding: 'cellPadding',
  2.2670 +      cellspacing: 'cellSpacing'
  2.2671 +    }, Element._attributeTranslations.read.names),
  2.2672 +    values: {
  2.2673 +      checked: function(element, value) {
  2.2674 +        element.checked = !!value;
  2.2675 +      },
  2.2676 +
  2.2677 +      style: function(element, value) {
  2.2678 +        element.style.cssText = value ? value : '';
  2.2679 +      }
  2.2680 +    }
  2.2681 +  };
  2.2682 +
  2.2683 +  Element._attributeTranslations.has = {};
  2.2684 +
  2.2685 +  $w('colSpan rowSpan vAlign dateTime accessKey tabIndex ' +
  2.2686 +      'encType maxLength readOnly longDesc frameBorder').each(function(attr) {
  2.2687 +    Element._attributeTranslations.write.names[attr.toLowerCase()] = attr;
  2.2688 +    Element._attributeTranslations.has[attr.toLowerCase()] = attr;
  2.2689 +  });
  2.2690 +
  2.2691 +  (function(v) {
  2.2692 +    Object.extend(v, {
  2.2693 +      href:        v._getAttr2,
  2.2694 +      src:         v._getAttr2,
  2.2695 +      type:        v._getAttr,
  2.2696 +      action:      v._getAttrNode,
  2.2697 +      disabled:    v._flag,
  2.2698 +      checked:     v._flag,
  2.2699 +      readonly:    v._flag,
  2.2700 +      multiple:    v._flag,
  2.2701 +      onload:      v._getEv,
  2.2702 +      onunload:    v._getEv,
  2.2703 +      onclick:     v._getEv,
  2.2704 +      ondblclick:  v._getEv,
  2.2705 +      onmousedown: v._getEv,
  2.2706 +      onmouseup:   v._getEv,
  2.2707 +      onmouseover: v._getEv,
  2.2708 +      onmousemove: v._getEv,
  2.2709 +      onmouseout:  v._getEv,
  2.2710 +      onfocus:     v._getEv,
  2.2711 +      onblur:      v._getEv,
  2.2712 +      onkeypress:  v._getEv,
  2.2713 +      onkeydown:   v._getEv,
  2.2714 +      onkeyup:     v._getEv,
  2.2715 +      onsubmit:    v._getEv,
  2.2716 +      onreset:     v._getEv,
  2.2717 +      onselect:    v._getEv,
  2.2718 +      onchange:    v._getEv
  2.2719 +    });
  2.2720 +  })(Element._attributeTranslations.read.values);
  2.2721 +
  2.2722 +  if (Prototype.BrowserFeatures.ElementExtensions) {
  2.2723 +    (function() {
  2.2724 +      function _descendants(element) {
  2.2725 +        var nodes = element.getElementsByTagName('*'), results = [];
  2.2726 +        for (var i = 0, node; node = nodes[i]; i++)
  2.2727 +          if (node.tagName !== "!") // Filter out comment nodes.
  2.2728 +            results.push(node);
  2.2729 +        return results;
  2.2730 +      }
  2.2731 +
  2.2732 +      Element.Methods.down = function(element, expression, index) {
  2.2733 +        element = $(element);
  2.2734 +        if (arguments.length == 1) return element.firstDescendant();
  2.2735 +        return Object.isNumber(expression) ? _descendants(element)[expression] :
  2.2736 +          Element.select(element, expression)[index || 0];
  2.2737 +      }
  2.2738 +    })();
  2.2739 +  }
  2.2740 +
  2.2741 +}
  2.2742 +
  2.2743 +else if (Prototype.Browser.Gecko && /rv:1\.8\.0/.test(navigator.userAgent)) {
  2.2744 +  Element.Methods.setOpacity = function(element, value) {
  2.2745 +    element = $(element);
  2.2746 +    element.style.opacity = (value == 1) ? 0.999999 :
  2.2747 +      (value === '') ? '' : (value < 0.00001) ? 0 : value;
  2.2748 +    return element;
  2.2749 +  };
  2.2750 +}
  2.2751 +
  2.2752 +else if (Prototype.Browser.WebKit) {
  2.2753 +  Element.Methods.setOpacity = function(element, value) {
  2.2754 +    element = $(element);
  2.2755 +    element.style.opacity = (value == 1 || value === '') ? '' :
  2.2756 +      (value < 0.00001) ? 0 : value;
  2.2757 +
  2.2758 +    if (value == 1)
  2.2759 +      if(element.tagName.toUpperCase() == 'IMG' && element.width) {
  2.2760 +        element.width++; element.width--;
  2.2761 +      } else try {
  2.2762 +        var n = document.createTextNode(' ');
  2.2763 +        element.appendChild(n);
  2.2764 +        element.removeChild(n);
  2.2765 +      } catch (e) { }
  2.2766 +
  2.2767 +    return element;
  2.2768 +  };
  2.2769 +
  2.2770 +  Element.Methods.cumulativeOffset = function(element) {
  2.2771 +    var valueT = 0, valueL = 0;
  2.2772 +    do {
  2.2773 +      valueT += element.offsetTop  || 0;
  2.2774 +      valueL += element.offsetLeft || 0;
  2.2775 +      if (element.offsetParent == document.body)
  2.2776 +        if (Element.getStyle(element, 'position') == 'absolute') break;
  2.2777 +
  2.2778 +      element = element.offsetParent;
  2.2779 +    } while (element);
  2.2780 +
  2.2781 +    return Element._returnOffset(valueL, valueT);
  2.2782 +  };
  2.2783 +}
  2.2784 +
  2.2785 +if ('outerHTML' in document.documentElement) {
  2.2786 +  Element.Methods.replace = function(element, content) {
  2.2787 +    element = $(element);
  2.2788 +
  2.2789 +    if (content && content.toElement) content = content.toElement();
  2.2790 +    if (Object.isElement(content)) {
  2.2791 +      element.parentNode.replaceChild(content, element);
  2.2792 +      return element;
  2.2793 +    }
  2.2794 +
  2.2795 +    content = Object.toHTML(content);
  2.2796 +    var parent = element.parentNode, tagName = parent.tagName.toUpperCase();
  2.2797 +
  2.2798 +    if (Element._insertionTranslations.tags[tagName]) {
  2.2799 +      var nextSibling = element.next();
  2.2800 +      var fragments = Element._getContentFromAnonymousElement(tagName, content.stripScripts());
  2.2801 +      parent.removeChild(element);
  2.2802 +      if (nextSibling)
  2.2803 +        fragments.each(function(node) { parent.insertBefore(node, nextSibling) });
  2.2804 +      else
  2.2805 +        fragments.each(function(node) { parent.appendChild(node) });
  2.2806 +    }
  2.2807 +    else element.outerHTML = content.stripScripts();
  2.2808 +
  2.2809 +    content.evalScripts.bind(content).defer();
  2.2810 +    return element;
  2.2811 +  };
  2.2812 +}
  2.2813 +
  2.2814 +Element._returnOffset = function(l, t) {
  2.2815 +  var result = [l, t];
  2.2816 +  result.left = l;
  2.2817 +  result.top = t;
  2.2818 +  return result;
  2.2819 +};
  2.2820 +
  2.2821 +Element._getContentFromAnonymousElement = function(tagName, html) {
  2.2822 +  var div = new Element('div'), t = Element._insertionTranslations.tags[tagName];
  2.2823 +  if (t) {
  2.2824 +    div.innerHTML = t[0] + html + t[1];
  2.2825 +    t[2].times(function() { div = div.firstChild });
  2.2826 +  } else div.innerHTML = html;
  2.2827 +  return $A(div.childNodes);
  2.2828 +};
  2.2829 +
  2.2830 +Element._insertionTranslations = {
  2.2831 +  before: function(element, node) {
  2.2832 +    element.parentNode.insertBefore(node, element);
  2.2833 +  },
  2.2834 +  top: function(element, node) {
  2.2835 +    element.insertBefore(node, element.firstChild);
  2.2836 +  },
  2.2837 +  bottom: function(element, node) {
  2.2838 +    element.appendChild(node);
  2.2839 +  },
  2.2840 +  after: function(element, node) {
  2.2841 +    element.parentNode.insertBefore(node, element.nextSibling);
  2.2842 +  },
  2.2843 +  tags: {
  2.2844 +    TABLE:  ['<table>',                '</table>',                   1],
  2.2845 +    TBODY:  ['<table><tbody>',         '</tbody></table>',           2],
  2.2846 +    TR:     ['<table><tbody><tr>',     '</tr></tbody></table>',      3],
  2.2847 +    TD:     ['<table><tbody><tr><td>', '</td></tr></tbody></table>', 4],
  2.2848 +    SELECT: ['<select>',               '</select>',                  1]
  2.2849 +  }
  2.2850 +};
  2.2851 +
  2.2852 +(function() {
  2.2853 +  var tags = Element._insertionTranslations.tags;
  2.2854 +  Object.extend(tags, {
  2.2855 +    THEAD: tags.TBODY,
  2.2856 +    TFOOT: tags.TBODY,
  2.2857 +    TH:    tags.TD
  2.2858 +  });
  2.2859 +})();
  2.2860 +
  2.2861 +Element.Methods.Simulated = {
  2.2862 +  hasAttribute: function(element, attribute) {
  2.2863 +    attribute = Element._attributeTranslations.has[attribute] || attribute;
  2.2864 +    var node = $(element).getAttributeNode(attribute);
  2.2865 +    return !!(node && node.specified);
  2.2866 +  }
  2.2867 +};
  2.2868 +
  2.2869 +Element.Methods.ByTag = { };
  2.2870 +
  2.2871 +Object.extend(Element, Element.Methods);
  2.2872 +
  2.2873 +(function(div) {
  2.2874 +
  2.2875 +  if (!Prototype.BrowserFeatures.ElementExtensions && div['__proto__']) {
  2.2876 +    window.HTMLElement = { };
  2.2877 +    window.HTMLElement.prototype = div['__proto__'];
  2.2878 +    Prototype.BrowserFeatures.ElementExtensions = true;
  2.2879 +  }
  2.2880 +
  2.2881 +  div = null;
  2.2882 +
  2.2883 +})(document.createElement('div'))
  2.2884 +
  2.2885 +Element.extend = (function() {
  2.2886 +
  2.2887 +  function checkDeficiency(tagName) {
  2.2888 +    if (typeof window.Element != 'undefined') {
  2.2889 +      var proto = window.Element.prototype;
  2.2890 +      if (proto) {
  2.2891 +        var id = '_' + (Math.random()+'').slice(2);
  2.2892 +        var el = document.createElement(tagName);
  2.2893 +        proto[id] = 'x';
  2.2894 +        var isBuggy = (el[id] !== 'x');
  2.2895 +        delete proto[id];
  2.2896 +        el = null;
  2.2897 +        return isBuggy;
  2.2898 +      }
  2.2899 +    }
  2.2900 +    return false;
  2.2901 +  }
  2.2902 +
  2.2903 +  function extendElementWith(element, methods) {
  2.2904 +    for (var property in methods) {
  2.2905 +      var value = methods[property];
  2.2906 +      if (Object.isFunction(value) && !(property in element))
  2.2907 +        element[property] = value.methodize();
  2.2908 +    }
  2.2909 +  }
  2.2910 +
  2.2911 +  var HTMLOBJECTELEMENT_PROTOTYPE_BUGGY = checkDeficiency('object');
  2.2912 +
  2.2913 +  if (Prototype.BrowserFeatures.SpecificElementExtensions) {
  2.2914 +    if (HTMLOBJECTELEMENT_PROTOTYPE_BUGGY) {
  2.2915 +      return function(element) {
  2.2916 +        if (element && typeof element._extendedByPrototype == 'undefined') {
  2.2917 +          var t = element.tagName;
  2.2918 +          if (t && (/^(?:object|applet|embed)$/i.test(t))) {
  2.2919 +            extendElementWith(element, Element.Methods);
  2.2920 +            extendElementWith(element, Element.Methods.Simulated);
  2.2921 +            extendElementWith(element, Element.Methods.ByTag[t.toUpperCase()]);
  2.2922 +          }
  2.2923 +        }
  2.2924 +        return element;
  2.2925 +      }
  2.2926 +    }
  2.2927 +    return Prototype.K;
  2.2928 +  }
  2.2929 +
  2.2930 +  var Methods = { }, ByTag = Element.Methods.ByTag;
  2.2931 +
  2.2932 +  var extend = Object.extend(function(element) {
  2.2933 +    if (!element || typeof element._extendedByPrototype != 'undefined' ||
  2.2934 +        element.nodeType != 1 || element == window) return element;
  2.2935 +
  2.2936 +    var methods = Object.clone(Methods),
  2.2937 +        tagName = element.tagName.toUpperCase();
  2.2938 +
  2.2939 +    if (ByTag[tagName]) Object.extend(methods, ByTag[tagName]);
  2.2940 +
  2.2941 +    extendElementWith(element, methods);
  2.2942 +
  2.2943 +    element._extendedByPrototype = Prototype.emptyFunction;
  2.2944 +    return element;
  2.2945 +
  2.2946 +  }, {
  2.2947 +    refresh: function() {
  2.2948 +      if (!Prototype.BrowserFeatures.ElementExtensions) {
  2.2949 +        Object.extend(Methods, Element.Methods);
  2.2950 +        Object.extend(Methods, Element.Methods.Simulated);
  2.2951 +      }
  2.2952 +    }
  2.2953 +  });
  2.2954 +
  2.2955 +  extend.refresh();
  2.2956 +  return extend;
  2.2957 +})();
  2.2958 +
  2.2959 +Element.hasAttribute = function(element, attribute) {
  2.2960 +  if (element.hasAttribute) return element.hasAttribute(attribute);
  2.2961 +  return Element.Methods.Simulated.hasAttribute(element, attribute);
  2.2962 +};
  2.2963 +
  2.2964 +Element.addMethods = function(methods) {
  2.2965 +  var F = Prototype.BrowserFeatures, T = Element.Methods.ByTag;
  2.2966 +
  2.2967 +  if (!methods) {
  2.2968 +    Object.extend(Form, Form.Methods);
  2.2969 +    Object.extend(Form.Element, Form.Element.Methods);
  2.2970 +    Object.extend(Element.Methods.ByTag, {
  2.2971 +      "FORM":     Object.clone(Form.Methods),
  2.2972 +      "INPUT":    Object.clone(Form.Element.Methods),
  2.2973 +      "SELECT":   Object.clone(Form.Element.Methods),
  2.2974 +      "TEXTAREA": Object.clone(Form.Element.Methods)
  2.2975 +    });
  2.2976 +  }
  2.2977 +
  2.2978 +  if (arguments.length == 2) {
  2.2979 +    var tagName = methods;
  2.2980 +    methods = arguments[1];
  2.2981 +  }
  2.2982 +
  2.2983 +  if (!tagName) Object.extend(Element.Methods, methods || { });
  2.2984 +  else {
  2.2985 +    if (Object.isArray(tagName)) tagName.each(extend);
  2.2986 +    else extend(tagName);
  2.2987 +  }
  2.2988 +
  2.2989 +  function extend(tagName) {
  2.2990 +    tagName = tagName.toUpperCase();
  2.2991 +    if (!Element.Methods.ByTag[tagName])
  2.2992 +      Element.Methods.ByTag[tagName] = { };
  2.2993 +    Object.extend(Element.Methods.ByTag[tagName], methods);
  2.2994 +  }
  2.2995 +
  2.2996 +  function copy(methods, destination, onlyIfAbsent) {
  2.2997 +    onlyIfAbsent = onlyIfAbsent || false;
  2.2998 +    for (var property in methods) {
  2.2999 +      var value = methods[property];
  2.3000 +      if (!Object.isFunction(value)) continue;
  2.3001 +      if (!onlyIfAbsent || !(property in destination))
  2.3002 +        destination[property] = value.methodize();
  2.3003 +    }
  2.3004 +  }
  2.3005 +
  2.3006 +  function findDOMClass(tagName) {
  2.3007 +    var klass;
  2.3008 +    var trans = {
  2.3009 +      "OPTGROUP": "OptGroup", "TEXTAREA": "TextArea", "P": "Paragraph",
  2.3010 +      "FIELDSET": "FieldSet", "UL": "UList", "OL": "OList", "DL": "DList",
  2.3011 +      "DIR": "Directory", "H1": "Heading", "H2": "Heading", "H3": "Heading",
  2.3012 +      "H4": "Heading", "H5": "Heading", "H6": "Heading", "Q": "Quote",
  2.3013 +      "INS": "Mod", "DEL": "Mod", "A": "Anchor", "IMG": "Image", "CAPTION":
  2.3014 +      "TableCaption", "COL": "TableCol", "COLGROUP": "TableCol", "THEAD":
  2.3015 +      "TableSection", "TFOOT": "TableSection", "TBODY": "TableSection", "TR":
  2.3016 +      "TableRow", "TH": "TableCell", "TD": "TableCell", "FRAMESET":
  2.3017 +      "FrameSet", "IFRAME": "IFrame"
  2.3018 +    };
  2.3019 +    if (trans[tagName]) klass = 'HTML' + trans[tagName] + 'Element';
  2.3020 +    if (window[klass]) return window[klass];
  2.3021 +    klass = 'HTML' + tagName + 'Element';
  2.3022 +    if (window[klass]) return window[klass];
  2.3023 +    klass = 'HTML' + tagName.capitalize() + 'Element';
  2.3024 +    if (window[klass]) return window[klass];
  2.3025 +
  2.3026 +    var element = document.createElement(tagName);
  2.3027 +    var proto = element['__proto__'] || element.constructor.prototype;
  2.3028 +    element = null;
  2.3029 +    return proto;
  2.3030 +  }
  2.3031 +
  2.3032 +  var elementPrototype = window.HTMLElement ? HTMLElement.prototype :
  2.3033 +   Element.prototype;
  2.3034 +
  2.3035 +  if (F.ElementExtensions) {
  2.3036 +    copy(Element.Methods, elementPrototype);
  2.3037 +    copy(Element.Methods.Simulated, elementPrototype, true);
  2.3038 +  }
  2.3039 +
  2.3040 +  if (F.SpecificElementExtensions) {
  2.3041 +    for (var tag in Element.Methods.ByTag) {
  2.3042 +      var klass = findDOMClass(tag);
  2.3043 +      if (Object.isUndefined(klass)) continue;
  2.3044 +      copy(T[tag], klass.prototype);
  2.3045 +    }
  2.3046 +  }
  2.3047 +
  2.3048 +  Object.extend(Element, Element.Methods);
  2.3049 +  delete Element.ByTag;
  2.3050 +
  2.3051 +  if (Element.extend.refresh) Element.extend.refresh();
  2.3052 +  Element.cache = { };
  2.3053 +};
  2.3054 +
  2.3055 +
  2.3056 +document.viewport = {
  2.3057 +
  2.3058 +  getDimensions: function() {
  2.3059 +    return { width: this.getWidth(), height: this.getHeight() };
  2.3060 +  },
  2.3061 +
  2.3062 +  getScrollOffsets: function() {
  2.3063 +    return Element._returnOffset(
  2.3064 +      window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft,
  2.3065 +      window.pageYOffset || document.documentElement.scrollTop  || document.body.scrollTop);
  2.3066 +  }
  2.3067 +};
  2.3068 +
  2.3069 +(function(viewport) {
  2.3070 +  var B = Prototype.Browser, doc = document, element, property = {};
  2.3071 +
  2.3072 +  function getRootElement() {
  2.3073 +    if (B.WebKit && !doc.evaluate)
  2.3074 +      return document;
  2.3075 +
  2.3076 +    if (B.Opera && window.parseFloat(window.opera.version()) < 9.5)
  2.3077 +      return document.body;
  2.3078 +
  2.3079 +    return document.documentElement;
  2.3080 +  }
  2.3081 +
  2.3082 +  function define(D) {
  2.3083 +    if (!element) element = getRootElement();
  2.3084 +
  2.3085 +    property[D] = 'client' + D;
  2.3086 +
  2.3087 +    viewport['get' + D] = function() { return element[property[D]] };
  2.3088 +    return viewport['get' + D]();
  2.3089 +  }
  2.3090 +
  2.3091 +  viewport.getWidth  = define.curry('Width');
  2.3092 +
  2.3093 +  viewport.getHeight = define.curry('Height');
  2.3094 +})(document.viewport);
  2.3095 +
  2.3096 +
  2.3097 +Element.Storage = {
  2.3098 +  UID: 1
  2.3099 +};
  2.3100 +
  2.3101 +Element.addMethods({
  2.3102 +  getStorage: function(element) {
  2.3103 +    if (!(element = $(element))) return;
  2.3104 +
  2.3105 +    var uid;
  2.3106 +    if (element === window) {
  2.3107 +      uid = 0;
  2.3108 +    } else {
  2.3109 +      if (typeof element._prototypeUID === "undefined")
  2.3110 +        element._prototypeUID = [Element.Storage.UID++];
  2.3111 +      uid = element._prototypeUID[0];
  2.3112 +    }
  2.3113 +
  2.3114 +    if (!Element.Storage[uid])
  2.3115 +      Element.Storage[uid] = $H();
  2.3116 +
  2.3117 +    return Element.Storage[uid];
  2.3118 +  },
  2.3119 +
  2.3120 +  store: function(element, key, value) {
  2.3121 +    if (!(element = $(element))) return;
  2.3122 +
  2.3123 +    if (arguments.length === 2) {
  2.3124 +      Element.getStorage(element).update(key);
  2.3125 +    } else {
  2.3126 +      Element.getStorage(element).set(key, value);
  2.3127 +    }
  2.3128 +
  2.3129 +    return element;
  2.3130 +  },
  2.3131 +
  2.3132 +  retrieve: function(element, key, defaultValue) {
  2.3133 +    if (!(element = $(element))) return;
  2.3134 +    var hash = Element.getStorage(element), value = hash.get(key);
  2.3135 +
  2.3136 +    if (Object.isUndefined(value)) {
  2.3137 +      hash.set(key, defaultValue);
  2.3138 +      value = defaultValue;
  2.3139 +    }
  2.3140 +
  2.3141 +    return value;
  2.3142 +  },
  2.3143 +
  2.3144 +  clone: function(element, deep) {
  2.3145 +    if (!(element = $(element))) return;
  2.3146 +    var clone = element.cloneNode(deep);
  2.3147 +    clone._prototypeUID = void 0;
  2.3148 +    if (deep) {
  2.3149 +      var descendants = Element.select(clone, '*'),
  2.3150 +          i = descendants.length;
  2.3151 +      while (i--) {
  2.3152 +        descendants[i]._prototypeUID = void 0;
  2.3153 +      }
  2.3154 +    }
  2.3155 +    return Element.extend(clone);
  2.3156 +  }
  2.3157 +});
  2.3158 +/* Portions of the Selector class are derived from Jack Slocum's DomQuery,
  2.3159 + * part of YUI-Ext version 0.40, distributed under the terms of an MIT-style
  2.3160 + * license.  Please see http://www.yui-ext.com/ for more information. */
  2.3161 +
  2.3162 +var Selector = Class.create({
  2.3163 +  initialize: function(expression) {
  2.3164 +    this.expression = expression.strip();
  2.3165 +
  2.3166 +    if (this.shouldUseSelectorsAPI()) {
  2.3167 +      this.mode = 'selectorsAPI';
  2.3168 +    } else if (this.shouldUseXPath()) {
  2.3169 +      this.mode = 'xpath';
  2.3170 +      this.compileXPathMatcher();
  2.3171 +    } else {
  2.3172 +      this.mode = "normal";
  2.3173 +      this.compileMatcher();
  2.3174 +    }
  2.3175 +
  2.3176 +  },
  2.3177 +
  2.3178 +  shouldUseXPath: (function() {
  2.3179 +
  2.3180 +    var IS_DESCENDANT_SELECTOR_BUGGY = (function(){
  2.3181 +      var isBuggy = false;
  2.3182 +      if (document.evaluate && window.XPathResult) {
  2.3183 +        var el = document.createElement('div');
  2.3184 +        el.innerHTML = '<ul><li></li></ul><div><ul><li></li></ul></div>';
  2.3185 +
  2.3186 +        var xpath = ".//*[local-name()='ul' or local-name()='UL']" +
  2.3187 +          "//*[local-name()='li' or local-name()='LI']";
  2.3188 +
  2.3189 +        var result = document.evaluate(xpath, el, null,
  2.3190 +          XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
  2.3191 +
  2.3192 +        isBuggy = (result.snapshotLength !== 2);
  2.3193 +        el = null;
  2.3194 +      }
  2.3195 +      return isBuggy;
  2.3196 +    })();
  2.3197 +
  2.3198 +    return function() {
  2.3199 +      if (!Prototype.BrowserFeatures.XPath) return false;
  2.3200 +
  2.3201 +      var e = this.expression;
  2.3202 +
  2.3203 +      if (Prototype.Browser.WebKit &&
  2.3204 +       (e.include("-of-type") || e.include(":empty")))
  2.3205 +        return false;
  2.3206 +
  2.3207 +      if ((/(\[[\w-]*?:|:checked)/).test(e))
  2.3208 +        return false;
  2.3209 +
  2.3210 +      if (IS_DESCENDANT_SELECTOR_BUGGY) return false;
  2.3211 +
  2.3212 +      return true;
  2.3213 +    }
  2.3214 +
  2.3215 +  })(),
  2.3216 +
  2.3217 +  shouldUseSelectorsAPI: function() {
  2.3218 +    if (!Prototype.BrowserFeatures.SelectorsAPI) return false;
  2.3219 +
  2.3220 +    if (Selector.CASE_INSENSITIVE_CLASS_NAMES) return false;
  2.3221 +
  2.3222 +    if (!Selector._div) Selector._div = new Element('div');
  2.3223 +
  2.3224 +    try {
  2.3225 +      Selector._div.querySelector(this.expression);
  2.3226 +    } catch(e) {
  2.3227 +      return false;
  2.3228 +    }
  2.3229 +
  2.3230 +    return true;
  2.3231 +  },
  2.3232 +
  2.3233 +  compileMatcher: function() {
  2.3234 +    var e = this.expression, ps = Selector.patterns, h = Selector.handlers,
  2.3235 +        c = Selector.criteria, le, p, m, len = ps.length, name;
  2.3236 +
  2.3237 +    if (Selector._cache[e]) {
  2.3238 +      this.matcher = Selector._cache[e];
  2.3239 +      return;
  2.3240 +    }
  2.3241 +
  2.3242 +    this.matcher = ["this.matcher = function(root) {",
  2.3243 +                    "var r = root, h = Selector.handlers, c = false, n;"];
  2.3244 +
  2.3245 +    while (e && le != e && (/\S/).test(e)) {
  2.3246 +      le = e;
  2.3247 +      for (var i = 0; i<len; i++) {
  2.3248 +        p = ps[i].re;
  2.3249 +        name = ps[i].name;
  2.3250 +        if (m = e.match(p)) {
  2.3251 +          this.matcher.push(Object.isFunction(c[name]) ? c[name](m) :
  2.3252 +            new Template(c[name]).evaluate(m));
  2.3253 +          e = e.replace(m[0], '');
  2.3254 +          break;
  2.3255 +        }
  2.3256 +      }
  2.3257 +    }
  2.3258 +
  2.3259 +    this.matcher.push("return h.unique(n);\n}");
  2.3260 +    eval(this.matcher.join('\n'));
  2.3261 +    Selector._cache[this.expression] = this.matcher;
  2.3262 +  },
  2.3263 +
  2.3264 +  compileXPathMatcher: function() {
  2.3265 +    var e = this.expression, ps = Selector.patterns,
  2.3266 +        x = Selector.xpath, le, m, len = ps.length, name;
  2.3267 +
  2.3268 +    if (Selector._cache[e]) {
  2.3269 +      this.xpath = Selector._cache[e]; return;
  2.3270 +    }
  2.3271 +
  2.3272 +    this.matcher = ['.//*'];
  2.3273 +    while (e && le != e && (/\S/).test(e)) {
  2.3274 +      le = e;
  2.3275 +      for (var i = 0; i<len; i++) {
  2.3276 +        name = ps[i].name;
  2.3277 +        if (m = e.match(ps[i].re)) {
  2.3278 +          this.matcher.push(Object.isFunction(x[name]) ? x[name](m) :
  2.3279 +            new Template(x[name]).evaluate(m));
  2.3280 +          e = e.replace(m[0], '');
  2.3281 +          break;
  2.3282 +        }
  2.3283 +      }
  2.3284 +    }
  2.3285 +
  2.3286 +    this.xpath = this.matcher.join('');
  2.3287 +    Selector._cache[this.expression] = this.xpath;
  2.3288 +  },
  2.3289 +
  2.3290 +  findElements: function(root) {
  2.3291 +    root = root || document;
  2.3292 +    var e = this.expression, results;
  2.3293 +
  2.3294 +    switch (this.mode) {
  2.3295 +      case 'selectorsAPI':
  2.3296 +        if (root !== document) {
  2.3297 +          var oldId = root.id, id = $(root).identify();
  2.3298 +          id = id.replace(/([\.:])/g, "\\$1");
  2.3299 +          e = "#" + id + " " + e;
  2.3300 +        }
  2.3301 +
  2.3302 +        results = $A(root.querySelectorAll(e)).map(Element.extend);
  2.3303 +        root.id = oldId;
  2.3304 +
  2.3305 +        return results;
  2.3306 +      case 'xpath':
  2.3307 +        return document._getElementsByXPath(this.xpath, root);
  2.3308 +      default:
  2.3309 +       return this.matcher(root);
  2.3310 +    }
  2.3311 +  },
  2.3312 +
  2.3313 +  match: function(element) {
  2.3314 +    this.tokens = [];
  2.3315 +
  2.3316 +    var e = this.expression, ps = Selector.patterns, as = Selector.assertions;
  2.3317 +    var le, p, m, len = ps.length, name;
  2.3318 +
  2.3319 +    while (e && le !== e && (/\S/).test(e)) {
  2.3320 +      le = e;
  2.3321 +      for (var i = 0; i<len; i++) {
  2.3322 +        p = ps[i].re;
  2.3323 +        name = ps[i].name;
  2.3324 +        if (m = e.match(p)) {
  2.3325 +          if (as[name]) {
  2.3326 +            this.tokens.push([name, Object.clone(m)]);
  2.3327 +            e = e.replace(m[0], '');
  2.3328 +          } else {
  2.3329 +            return this.findElements(document).include(element);
  2.3330 +          }
  2.3331 +        }
  2.3332 +      }
  2.3333 +    }
  2.3334 +
  2.3335 +    var match = true, name, matches;
  2.3336 +    for (var i = 0, token; token = this.tokens[i]; i++) {
  2.3337 +      name = token[0], matches = token[1];
  2.3338 +      if (!Selector.assertions[name](element, matches)) {
  2.3339 +        match = false; break;
  2.3340 +      }
  2.3341 +    }
  2.3342 +
  2.3343 +    return match;
  2.3344 +  },
  2.3345 +
  2.3346 +  toString: function() {
  2.3347 +    return this.expression;
  2.3348 +  },
  2.3349 +
  2.3350 +  inspect: function() {
  2.3351 +    return "#<Selector:" + this.expression.inspect() + ">";
  2.3352 +  }
  2.3353 +});
  2.3354 +
  2.3355 +if (Prototype.BrowserFeatures.SelectorsAPI &&
  2.3356 + document.compatMode === 'BackCompat') {
  2.3357 +  Selector.CASE_INSENSITIVE_CLASS_NAMES = (function(){
  2.3358 +    var div = document.createElement('div'),
  2.3359 +     span = document.createElement('span');
  2.3360 +
  2.3361 +    div.id = "prototype_test_id";
  2.3362 +    span.className = 'Test';
  2.3363 +    div.appendChild(span);
  2.3364 +    var isIgnored = (div.querySelector('#prototype_test_id .test') !== null);
  2.3365 +    div = span = null;
  2.3366 +    return isIgnored;
  2.3367 +  })();
  2.3368 +}
  2.3369 +
  2.3370 +Object.extend(Selector, {
  2.3371 +  _cache: { },
  2.3372 +
  2.3373 +  xpath: {
  2.3374 +    descendant:   "//*",
  2.3375 +    child:        "/*",
  2.3376 +    adjacent:     "/following-sibling::*[1]",
  2.3377 +    laterSibling: '/following-sibling::*',
  2.3378 +    tagName:      function(m) {
  2.3379 +      if (m[1] == '*') return '';
  2.3380 +      return "[local-name()='" + m[1].toLowerCase() +
  2.3381 +             "' or local-name()='" + m[1].toUpperCase() + "']";
  2.3382 +    },
  2.3383 +    className:    "[contains(concat(' ', @class, ' '), ' #{1} ')]",
  2.3384 +    id:           "[@id='#{1}']",
  2.3385 +    attrPresence: function(m) {
  2.3386 +      m[1] = m[1].toLowerCase();
  2.3387 +      return new Template("[@#{1}]").evaluate(m);
  2.3388 +    },
  2.3389 +    attr: function(m) {
  2.3390 +      m[1] = m[1].toLowerCase();
  2.3391 +      m[3] = m[5] || m[6];
  2.3392 +      return new Template(Selector.xpath.operators[m[2]]).evaluate(m);
  2.3393 +    },
  2.3394 +    pseudo: function(m) {
  2.3395 +      var h = Selector.xpath.pseudos[m[1]];
  2.3396 +      if (!h) return '';
  2.3397 +      if (Object.isFunction(h)) return h(m);
  2.3398 +      return new Template(Selector.xpath.pseudos[m[1]]).evaluate(m);
  2.3399 +    },
  2.3400 +    operators: {
  2.3401 +      '=':  "[@#{1}='#{3}']",
  2.3402 +      '!=': "[@#{1}!='#{3}']",
  2.3403 +      '^=': "[starts-with(@#{1}, '#{3}')]",
  2.3404 +      '$=': "[substring(@#{1}, (string-length(@#{1}) - string-length('#{3}') + 1))='#{3}']",
  2.3405 +      '*=': "[contains(@#{1}, '#{3}')]",
  2.3406 +      '~=': "[contains(concat(' ', @#{1}, ' '), ' #{3} ')]",
  2.3407 +      '|=': "[contains(concat('-', @#{1}, '-'), '-#{3}-')]"
  2.3408 +    },
  2.3409 +    pseudos: {
  2.3410 +      'first-child': '[not(preceding-sibling::*)]',
  2.3411 +      'last-child':  '[not(following-sibling::*)]',
  2.3412 +      'only-child':  '[not(preceding-sibling::* or following-sibling::*)]',
  2.3413 +      'empty':       "[count(*) = 0 and (count(text()) = 0)]",
  2.3414 +      'checked':     "[@checked]",
  2.3415 +      'disabled':    "[(@disabled) and (@type!='hidden')]",
  2.3416 +      'enabled':     "[not(@disabled) and (@type!='hidden')]",
  2.3417 +      'not': function(m) {
  2.3418 +        var e = m[6], p = Selector.patterns,
  2.3419 +            x = Selector.xpath, le, v, len = p.length, name;
  2.3420 +
  2.3421 +        var exclusion = [];
  2.3422 +        while (e && le != e && (/\S/).test(e)) {
  2.3423 +          le = e;
  2.3424 +          for (var i = 0; i<len; i++) {
  2.3425 +            name = p[i].name
  2.3426 +            if (m = e.match(p[i].re)) {
  2.3427 +              v = Object.isFunction(x[name]) ? x[name](m) : new Template(x[name]).evaluate(m);
  2.3428 +              exclusion.push("(" + v.substring(1, v.length - 1) + ")");
  2.3429 +              e = e.replace(m[0], '');
  2.3430 +              break;
  2.3431 +            }
  2.3432 +          }
  2.3433 +        }
  2.3434 +        return "[not(" + exclusion.join(" and ") + ")]";
  2.3435 +      },
  2.3436 +      'nth-child':      function(m) {
  2.3437 +        return Selector.xpath.pseudos.nth("(count(./preceding-sibling::*) + 1) ", m);
  2.3438 +      },
  2.3439 +      'nth-last-child': function(m) {
  2.3440 +        return Selector.xpath.pseudos.nth("(count(./following-sibling::*) + 1) ", m);
  2.3441 +      },
  2.3442 +      'nth-of-type':    function(m) {
  2.3443 +        return Selector.xpath.pseudos.nth("position() ", m);
  2.3444 +      },
  2.3445 +      'nth-last-of-type': function(m) {
  2.3446 +        return Selector.xpath.pseudos.nth("(last() + 1 - position()) ", m);
  2.3447 +      },
  2.3448 +      'first-of-type':  function(m) {
  2.3449 +        m[6] = "1"; return Selector.xpath.pseudos['nth-of-type'](m);
  2.3450 +      },
  2.3451 +      'last-of-type':   function(m) {
  2.3452 +        m[6] = "1"; return Selector.xpath.pseudos['nth-last-of-type'](m);
  2.3453 +      },
  2.3454 +      'only-of-type':   function(m) {
  2.3455 +        var p = Selector.xpath.pseudos; return p['first-of-type'](m) + p['last-of-type'](m);
  2.3456 +      },
  2.3457 +      nth: function(fragment, m) {
  2.3458 +        var mm, formula = m[6], predicate;
  2.3459 +        if (formula == 'even') formula = '2n+0';
  2.3460 +        if (formula == 'odd')  formula = '2n+1';
  2.3461 +        if (mm = formula.match(/^(\d+)$/)) // digit only
  2.3462 +          return '[' + fragment + "= " + mm[1] + ']';
  2.3463 +        if (mm = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b
  2.3464 +          if (mm[1] == "-") mm[1] = -1;
  2.3465 +          var a = mm[1] ? Number(mm[1]) : 1;
  2.3466 +          var b = mm[2] ? Number(mm[2]) : 0;
  2.3467 +          predicate = "[((#{fragment} - #{b}) mod #{a} = 0) and " +
  2.3468 +          "((#{fragment} - #{b}) div #{a} >= 0)]";
  2.3469 +          return new Template(predicate).evaluate({
  2.3470 +            fragment: fragment, a: a, b: b });
  2.3471 +        }
  2.3472 +      }
  2.3473 +    }
  2.3474 +  },
  2.3475 +
  2.3476 +  criteria: {
  2.3477 +    tagName:      'n = h.tagName(n, r, "#{1}", c);      c = false;',
  2.3478 +    className:    'n = h.className(n, r, "#{1}", c);    c = false;',
  2.3479 +    id:           'n = h.id(n, r, "#{1}", c);           c = false;',
  2.3480 +    attrPresence: 'n = h.attrPresence(n, r, "#{1}", c); c = false;',
  2.3481 +    attr: function(m) {
  2.3482 +      m[3] = (m[5] || m[6]);
  2.3483 +      return new Template('n = h.attr(n, r, "#{1}", "#{3}", "#{2}", c); c = false;').evaluate(m);
  2.3484 +    },
  2.3485 +    pseudo: function(m) {
  2.3486 +      if (m[6]) m[6] = m[6].replace(/"/g, '\\"');
  2.3487 +      return new Template('n = h.pseudo(n, "#{1}", "#{6}", r, c); c = false;').evaluate(m);
  2.3488 +    },
  2.3489 +    descendant:   'c = "descendant";',
  2.3490 +    child:        'c = "child";',
  2.3491 +    adjacent:     'c = "adjacent";',
  2.3492 +    laterSibling: 'c = "laterSibling";'
  2.3493 +  },
  2.3494 +
  2.3495 +  patterns: [
  2.3496 +    { name: 'laterSibling', re: /^\s*~\s*/ },
  2.3497 +    { name: 'child',        re: /^\s*>\s*/ },
  2.3498 +    { name: 'adjacent',     re: /^\s*\+\s*/ },
  2.3499 +    { name: 'descendant',   re: /^\s/ },
  2.3500 +
  2.3501 +    { name: 'tagName',      re: /^\s*(\*|[\w\-]+)(\b|$)?/ },
  2.3502 +    { name: 'id',           re: /^#([\w\-\*]+)(\b|$)/ },
  2.3503 +    { name: 'className',    re: /^\.([\w\-\*]+)(\b|$)/ },
  2.3504 +    { name: 'pseudo',       re: /^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|(?=\s|[:+~>]))/ },
  2.3505 +    { name: 'attrPresence', re: /^\[((?:[\w-]+:)?[\w-]+)\]/ },
  2.3506 +    { name: 'attr',         re: /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\4]*?)\4|([^'"][^\]]*?)))?\]/ }
  2.3507 +  ],
  2.3508 +
  2.3509 +  assertions: {
  2.3510 +    tagName: function(element, matches) {
  2.3511 +      return matches[1].toUpperCase() == element.tagName.toUpperCase();
  2.3512 +    },
  2.3513 +
  2.3514 +    className: function(element, matches) {
  2.3515 +      return Element.hasClassName(element, matches[1]);
  2.3516 +    },
  2.3517 +
  2.3518 +    id: function(element, matches) {
  2.3519 +      return element.id === matches[1];
  2.3520 +    },
  2.3521 +
  2.3522 +    attrPresence: function(element, matches) {
  2.3523 +      return Element.hasAttribute(element, matches[1]);
  2.3524 +    },
  2.3525 +
  2.3526 +    attr: function(element, matches) {
  2.3527 +      var nodeValue = Element.readAttribute(element, matches[1]);
  2.3528 +      return nodeValue && Selector.operators[matches[2]](nodeValue, matches[5] || matches[6]);
  2.3529 +    }
  2.3530 +  },
  2.3531 +
  2.3532 +  handlers: {
  2.3533 +    concat: function(a, b) {
  2.3534 +      for (var i = 0, node; node = b[i]; i++)
  2.3535 +        a.push(node);
  2.3536 +      return a;
  2.3537 +    },
  2.3538 +
  2.3539 +    mark: function(nodes) {
  2.3540 +      var _true = Prototype.emptyFunction;
  2.3541 +      for (var i = 0, node; node = nodes[i]; i++)
  2.3542 +        node._countedByPrototype = _true;
  2.3543 +      return nodes;
  2.3544 +    },
  2.3545 +
  2.3546 +    unmark: (function(){
  2.3547 +
  2.3548 +      var PROPERTIES_ATTRIBUTES_MAP = (function(){
  2.3549 +        var el = document.createElement('div'),
  2.3550 +            isBuggy = false,
  2.3551 +            propName = '_countedByPrototype',
  2.3552 +            value = 'x'
  2.3553 +        el[propName] = value;
  2.3554 +        isBuggy = (el.getAttribute(propName) === value);
  2.3555 +        el = null;
  2.3556 +        return isBuggy;
  2.3557 +      })();
  2.3558 +
  2.3559 +      return PROPERTIES_ATTRIBUTES_MAP ?
  2.3560 +        function(nodes) {
  2.3561 +          for (var i = 0, node; node = nodes[i]; i++)
  2.3562 +            node.removeAttribute('_countedByPrototype');
  2.3563 +          return nodes;
  2.3564 +        } :
  2.3565 +        function(nodes) {
  2.3566 +          for (var i = 0, node; node = nodes[i]; i++)
  2.3567 +            node._countedByPrototype = void 0;
  2.3568 +          return nodes;
  2.3569 +        }
  2.3570 +    })(),
  2.3571 +
  2.3572 +    index: function(parentNode, reverse, ofType) {
  2.3573 +      parentNode._countedByPrototype = Prototype.emptyFunction;
  2.3574 +      if (reverse) {
  2.3575 +        for (var nodes = parentNode.childNodes, i = nodes.length - 1, j = 1; i >= 0; i--) {
  2.3576 +          var node = nodes[i];
  2.3577 +          if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex = j++;
  2.3578 +        }
  2.3579 +      } else {
  2.3580 +        for (var i = 0, j = 1, nodes = parentNode.childNodes; node = nodes[i]; i++)
  2.3581 +          if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex = j++;
  2.3582 +      }
  2.3583 +    },
  2.3584 +
  2.3585 +    unique: function(nodes) {
  2.3586 +      if (nodes.length == 0) return nodes;
  2.3587 +      var results = [], n;
  2.3588 +      for (var i = 0, l = nodes.length; i < l; i++)
  2.3589 +        if (typeof (n = nodes[i])._countedByPrototype == 'undefined') {
  2.3590 +          n._countedByPrototype = Prototype.emptyFunction;
  2.3591 +          results.push(Element.extend(n));
  2.3592 +        }
  2.3593 +      return Selector.handlers.unmark(results);
  2.3594 +    },
  2.3595 +
  2.3596 +    descendant: function(nodes) {
  2.3597 +      var h = Selector.handlers;
  2.3598 +      for (var i = 0, results = [], node; node = nodes[i]; i++)
  2.3599 +        h.concat(results, node.getElementsByTagName('*'));
  2.3600 +      return results;
  2.3601 +    },
  2.3602 +
  2.3603 +    child: function(nodes) {
  2.3604 +      var h = Selector.handlers;
  2.3605 +      for (var i = 0, results = [], node; node = nodes[i]; i++) {
  2.3606 +        for (var j = 0, child; child = node.childNodes[j]; j++)
  2.3607 +          if (child.nodeType == 1 && child.tagName != '!') results.push(child);
  2.3608 +      }
  2.3609 +      return results;
  2.3610 +    },
  2.3611 +
  2.3612 +    adjacent: function(nodes) {
  2.3613 +      for (var i = 0, results = [], node; node = nodes[i]; i++) {
  2.3614 +        var next = this.nextElementSibling(node);
  2.3615 +        if (next) results.push(next);
  2.3616 +      }
  2.3617 +      return results;
  2.3618 +    },
  2.3619 +
  2.3620 +    laterSibling: function(nodes) {
  2.3621 +      var h = Selector.handlers;
  2.3622 +      for (var i = 0, results = [], node; node = nodes[i]; i++)
  2.3623 +        h.concat(results, Element.nextSiblings(node));
  2.3624 +      return results;
  2.3625 +    },
  2.3626 +
  2.3627 +    nextElementSibling: function(node) {
  2.3628 +      while (node = node.nextSibling)
  2.3629 +        if (node.nodeType == 1) return node;
  2.3630 +      return null;
  2.3631 +    },
  2.3632 +
  2.3633 +    previousElementSibling: function(node) {
  2.3634 +      while (node = node.previousSibling)
  2.3635 +        if (node.nodeType == 1) return node;
  2.3636 +      return null;
  2.3637 +    },
  2.3638 +
  2.3639 +    tagName: function(nodes, root, tagName, combinator) {
  2.3640 +      var uTagName = tagName.toUpperCase();
  2.3641 +      var results = [], h = Selector.handlers;
  2.3642 +      if (nodes) {
  2.3643 +        if (combinator) {
  2.3644 +          if (combinator == "descendant") {
  2.3645 +            for (var i = 0, node; node = nodes[i]; i++)
  2.3646 +              h.concat(results, node.getElementsByTagName(tagName));
  2.3647 +            return results;
  2.3648 +          } else nodes = this[combinator](nodes);
  2.3649 +          if (tagName == "*") return nodes;
  2.3650 +        }
  2.3651 +        for (var i = 0, node; node = nodes[i]; i++)
  2.3652 +          if (node.tagName.toUpperCase() === uTagName) results.push(node);
  2.3653 +        return results;
  2.3654 +      } else return root.getElementsByTagName(tagName);
  2.3655 +    },
  2.3656 +
  2.3657 +    id: function(nodes, root, id, combinator) {
  2.3658 +      var targetNode = $(id), h = Selector.handlers;
  2.3659 +
  2.3660 +      if (root == document) {
  2.3661 +        if (!targetNode) return [];
  2.3662 +        if (!nodes) return [targetNode];
  2.3663 +      } else {
  2.3664 +        if (!root.sourceIndex || root.sourceIndex < 1) {
  2.3665 +          var nodes = root.getElementsByTagName('*');
  2.3666 +          for (var j = 0, node; node = nodes[j]; j++) {
  2.3667 +            if (node.id === id) return [node];
  2.3668 +          }
  2.3669 +        }
  2.3670 +      }
  2.3671 +
  2.3672 +      if (nodes) {
  2.3673 +        if (combinator) {
  2.3674 +          if (combinator == 'child') {
  2.3675 +            for (var i = 0, node; node = nodes[i]; i++)
  2.3676 +              if (targetNode.parentNode == node) return [targetNode];
  2.3677 +          } else if (combinator == 'descendant') {
  2.3678 +            for (var i = 0, node; node = nodes[i]; i++)
  2.3679 +              if (Element.descendantOf(targetNode, node)) return [targetNode];
  2.3680 +          } else if (combinator == 'adjacent') {
  2.3681 +            for (var i = 0, node; node = nodes[i]; i++)
  2.3682 +              if (Selector.handlers.previousElementSibling(targetNode) == node)
  2.3683 +                return [targetNode];
  2.3684 +          } else nodes = h[combinator](nodes);
  2.3685 +        }
  2.3686 +        for (var i = 0, node; node = nodes[i]; i++)
  2.3687 +          if (node == targetNode) return [targetNode];
  2.3688 +        return [];
  2.3689 +      }
  2.3690 +      return (targetNode && Element.descendantOf(targetNode, root)) ? [targetNode] : [];
  2.3691 +    },
  2.3692 +
  2.3693 +    className: function(nodes, root, className, combinator) {
  2.3694 +      if (nodes && combinator) nodes = this[combinator](nodes);
  2.3695 +      return Selector.handlers.byClassName(nodes, root, className);
  2.3696 +    },
  2.3697 +
  2.3698 +    byClassName: function(nodes, root, className) {
  2.3699 +      if (!nodes) nodes = Selector.handlers.descendant([root]);
  2.3700 +      var needle = ' ' + className + ' ';
  2.3701 +      for (var i = 0, results = [], node, nodeClassName; node = nodes[i]; i++) {
  2.3702 +        nodeClassName = node.className;
  2.3703 +        if (nodeClassName.length == 0) continue;
  2.3704 +        if (nodeClassName == className || (' ' + nodeClassName + ' ').include(needle))
  2.3705 +          results.push(node);
  2.3706 +      }
  2.3707 +      return results;
  2.3708 +    },
  2.3709 +
  2.3710 +    attrPresence: function(nodes, root, attr, combinator) {
  2.3711 +      if (!nodes) nodes = root.getElementsByTagName("*");
  2.3712 +      if (nodes && combinator) nodes = this[combinator](nodes);
  2.3713 +      var results = [];
  2.3714 +      for (var i = 0, node; node = nodes[i]; i++)
  2.3715 +        if (Element.hasAttribute(node, attr)) results.push(node);
  2.3716 +      return results;
  2.3717 +    },
  2.3718 +
  2.3719 +    attr: function(nodes, root, attr, value, operator, combinator) {
  2.3720 +      if (!nodes) nodes = root.getElementsByTagName("*");
  2.3721 +      if (nodes && combinator) nodes = this[combinator](nodes);
  2.3722 +      var handler = Selector.operators[operator], results = [];
  2.3723 +      for (var i = 0, node; node = nodes[i]; i++) {
  2.3724 +        var nodeValue = Element.readAttribute(node, attr);
  2.3725 +        if (nodeValue === null) continue;
  2.3726 +        if (handler(nodeValue, value)) results.push(node);
  2.3727 +      }
  2.3728 +      return results;
  2.3729 +    },
  2.3730 +
  2.3731 +    pseudo: function(nodes, name, value, root, combinator) {
  2.3732 +      if (nodes && combinator) nodes = this[combinator](nodes);
  2.3733 +      if (!nodes) nodes = root.getElementsByTagName("*");
  2.3734 +      return Selector.pseudos[name](nodes, value, root);
  2.3735 +    }
  2.3736 +  },
  2.3737 +
  2.3738 +  pseudos: {
  2.3739 +    'first-child': function(nodes, value, root) {
  2.3740 +      for (var i = 0, results = [], node; node = nodes[i]; i++) {
  2.3741 +        if (Selector.handlers.previousElementSibling(node)) continue;
  2.3742 +          results.push(node);
  2.3743 +      }
  2.3744 +      return results;
  2.3745 +    },
  2.3746 +    'last-child': function(nodes, value, root) {
  2.3747 +      for (var i = 0, results = [], node; node = nodes[i]; i++) {
  2.3748 +        if (Selector.handlers.nextElementSibling(node)) continue;
  2.3749 +          results.push(node);
  2.3750 +      }
  2.3751 +      return results;
  2.3752 +    },
  2.3753 +    'only-child': function(nodes, value, root) {
  2.3754 +      var h = Selector.handlers;
  2.3755 +      for (var i = 0, results = [], node; node = nodes[i]; i++)
  2.3756 +        if (!h.previousElementSibling(node) && !h.nextElementSibling(node))
  2.3757 +          results.push(node);
  2.3758 +      return results;
  2.3759 +    },
  2.3760 +    'nth-child':        function(nodes, formula, root) {
  2.3761 +      return Selector.pseudos.nth(nodes, formula, root);
  2.3762 +    },
  2.3763 +    'nth-last-child':   function(nodes, formula, root) {
  2.3764 +      return Selector.pseudos.nth(nodes, formula, root, true);
  2.3765 +    },
  2.3766 +    'nth-of-type':      function(nodes, formula, root) {
  2.3767 +      return Selector.pseudos.nth(nodes, formula, root, false, true);
  2.3768 +    },
  2.3769 +    'nth-last-of-type': function(nodes, formula, root) {
  2.3770 +      return Selector.pseudos.nth(nodes, formula, root, true, true);
  2.3771 +    },
  2.3772 +    'first-of-type':    function(nodes, formula, root) {
  2.3773 +      return Selector.pseudos.nth(nodes, "1", root, false, true);
  2.3774 +    },
  2.3775 +    'last-of-type':     function(nodes, formula, root) {
  2.3776 +      return Selector.pseudos.nth(nodes, "1", root, true, true);
  2.3777 +    },
  2.3778 +    'only-of-type':     function(nodes, formula, root) {
  2.3779 +      var p = Selector.pseudos;
  2.3780 +      return p['last-of-type'](p['first-of-type'](nodes, formula, root), formula, root);
  2.3781 +    },
  2.3782 +
  2.3783 +    getIndices: function(a, b, total) {
  2.3784 +      if (a == 0) return b > 0 ? [b] : [];
  2.3785 +      return $R(1, total).inject([], function(memo, i) {
  2.3786 +        if (0 == (i - b) % a && (i - b) / a >= 0) memo.push(i);
  2.3787 +        return memo;
  2.3788 +      });
  2.3789 +    },
  2.3790 +
  2.3791 +    nth: function(nodes, formula, root, reverse, ofType) {
  2.3792 +      if (nodes.length == 0) return [];
  2.3793 +      if (formula == 'even') formula = '2n+0';
  2.3794 +      if (formula == 'odd')  formula = '2n+1';
  2.3795 +      var h = Selector.handlers, results = [], indexed = [], m;
  2.3796 +      h.mark(nodes);
  2.3797 +      for (var i = 0, node; node = nodes[i]; i++) {
  2.3798 +        if (!node.parentNode._countedByPrototype) {
  2.3799 +          h.index(node.parentNode, reverse, ofType);
  2.3800 +          indexed.push(node.parentNode);
  2.3801 +        }
  2.3802 +      }
  2.3803 +      if (formula.match(/^\d+$/)) { // just a number
  2.3804 +        formula = Number(formula);
  2.3805 +        for (var i = 0, node; node = nodes[i]; i++)
  2.3806 +          if (node.nodeIndex == formula) results.push(node);
  2.3807 +      } else if (m = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)) { // an+b
  2.3808 +        if (m[1] == "-") m[1] = -1;
  2.3809 +        var a = m[1] ? Number(m[1]) : 1;
  2.3810 +        var b = m[2] ? Number(m[2]) : 0;
  2.3811 +        var indices = Selector.pseudos.getIndices(a, b, nodes.length);
  2.3812 +        for (var i = 0, node, l = indices.length; node = nodes[i]; i++) {
  2.3813 +          for (var j = 0; j < l; j++)
  2.3814 +            if (node.nodeIndex == indices[j]) results.push(node);
  2.3815 +        }
  2.3816 +      }
  2.3817 +      h.unmark(nodes);
  2.3818 +      h.unmark(indexed);
  2.3819 +      return results;
  2.3820 +    },
  2.3821 +
  2.3822 +    'empty': function(nodes, value, root) {
  2.3823 +      for (var i = 0, results = [], node; node = nodes[i]; i++) {
  2.3824 +        if (node.tagName == '!' || node.firstChild) continue;
  2.3825 +        results.push(node);
  2.3826 +      }
  2.3827 +      return results;
  2.3828 +    },
  2.3829 +
  2.3830 +    'not': function(nodes, selector, root) {
  2.3831 +      var h = Selector.handlers, selectorType, m;
  2.3832 +      var exclusions = new Selector(selector).findElements(root);
  2.3833 +      h.mark(exclusions);
  2.3834 +      for (var i = 0, results = [], node; node = nodes[i]; i++)
  2.3835 +        if (!node._countedByPrototype) results.push(node);
  2.3836 +      h.unmark(exclusions);
  2.3837 +      return results;
  2.3838 +    },
  2.3839 +
  2.3840 +    'enabled': function(nodes, value, root) {
  2.3841 +      for (var i = 0, results = [], node; node = nodes[i]; i++)
  2.3842 +        if (!node.disabled && (!node.type || node.type !== 'hidden'))
  2.3843 +          results.push(node);
  2.3844 +      return results;
  2.3845 +    },
  2.3846 +
  2.3847 +    'disabled': function(nodes, value, root) {
  2.3848 +      for (var i = 0, results = [], node; node = nodes[i]; i++)
  2.3849 +        if (node.disabled) results.push(node);
  2.3850 +      return results;
  2.3851 +    },
  2.3852 +
  2.3853 +    'checked': function(nodes, value, root) {
  2.3854 +      for (var i = 0, results = [], node; node = nodes[i]; i++)
  2.3855 +        if (node.checked) results.push(node);
  2.3856 +      return results;
  2.3857 +    }
  2.3858 +  },
  2.3859 +
  2.3860 +  operators: {
  2.3861 +    '=':  function(nv, v) { return nv == v; },
  2.3862 +    '!=': function(nv, v) { return nv != v; },
  2.3863 +    '^=': function(nv, v) { return nv == v || nv && nv.startsWith(v); },
  2.3864 +    '$=': function(nv, v) { return nv == v || nv && nv.endsWith(v); },
  2.3865 +    '*=': function(nv, v) { return nv == v || nv && nv.include(v); },
  2.3866 +    '~=': function(nv, v) { return (' ' + nv + ' ').include(' ' + v + ' '); },
  2.3867 +    '|=': function(nv, v) { return ('-' + (nv || "").toUpperCase() +
  2.3868 +     '-').include('-' + (v || "").toUpperCase() + '-'); }
  2.3869 +  },
  2.3870 +
  2.3871 +  split: function(expression) {
  2.3872 +    var expressions = [];
  2.3873 +    expression.scan(/(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/, function(m) {
  2.3874 +      expressions.push(m[1].strip());
  2.3875 +    });
  2.3876 +    return expressions;
  2.3877 +  },
  2.3878 +
  2.3879 +  matchElements: function(elements, expression) {
  2.3880 +    var matches = $$(expression), h = Selector.handlers;
  2.3881 +    h.mark(matches);
  2.3882 +    for (var i = 0, results = [], element; element = elements[i]; i++)
  2.3883 +      if (element._countedByPrototype) results.push(element);
  2.3884 +    h.unmark(matches);
  2.3885 +    return results;
  2.3886 +  },
  2.3887 +
  2.3888 +  findElement: function(elements, expression, index) {
  2.3889 +    if (Object.isNumber(expression)) {
  2.3890 +      index = expression; expression = false;
  2.3891 +    }
  2.3892 +    return Selector.matchElements(elements, expression || '*')[index || 0];
  2.3893 +  },
  2.3894 +
  2.3895 +  findChildElements: function(element, expressions) {
  2.3896 +    expressions = Selector.split(expressions.join(','));
  2.3897 +    var results = [], h = Selector.handlers;
  2.3898 +    for (var i = 0, l = expressions.length, selector; i < l; i++) {
  2.3899 +      selector = new Selector(expressions[i].strip());
  2.3900 +      h.concat(results, selector.findElements(element));
  2.3901 +    }
  2.3902 +    return (l > 1) ? h.unique(results) : results;
  2.3903 +  }
  2.3904 +});
  2.3905 +
  2.3906 +if (Prototype.Browser.IE) {
  2.3907 +  Object.extend(Selector.handlers, {
  2.3908 +    concat: function(a, b) {
  2.3909 +      for (var i = 0, node; node = b[i]; i++)
  2.3910 +        if (node.tagName !== "!") a.push(node);
  2.3911 +      return a;
  2.3912 +    }
  2.3913 +  });
  2.3914 +}
  2.3915 +
  2.3916 +function $$() {
  2.3917 +  return Selector.findChildElements(document, $A(arguments));
  2.3918 +}
  2.3919 +
  2.3920 +var Form = {
  2.3921 +  reset: function(form) {
  2.3922 +    form = $(form);
  2.3923 +    form.reset();
  2.3924 +    return form;
  2.3925 +  },
  2.3926 +
  2.3927 +  serializeElements: function(elements, options) {
  2.3928 +    if (typeof options != 'object') options = { hash: !!options };
  2.3929 +    else if (Object.isUndefined(options.hash)) options.hash = true;
  2.3930 +    var key, value, submitted = false, submit = options.submit;
  2.3931 +
  2.3932 +    var data = elements.inject({ }, function(result, element) {
  2.3933 +      if (!element.disabled && element.name) {
  2.3934 +        key = element.name; value = $(element).getValue();
  2.3935 +        if (value != null && element.type != 'file' && (element.type != 'submit' || (!submitted &&
  2.3936 +            submit !== false && (!submit || key == submit) && (submitted = true)))) {
  2.3937 +          if (key in result) {
  2.3938 +            if (!Object.isArray(result[key])) result[key] = [result[key]];
  2.3939 +            result[key].push(value);
  2.3940 +          }
  2.3941 +          else result[key] = value;
  2.3942 +        }
  2.3943 +      }
  2.3944 +      return result;
  2.3945 +    });
  2.3946 +
  2.3947 +    return options.hash ? data : Object.toQueryString(data);
  2.3948 +  }
  2.3949 +};
  2.3950 +
  2.3951 +Form.Methods = {
  2.3952 +  serialize: function(form, options) {
  2.3953 +    return Form.serializeElements(Form.getElements(form), options);
  2.3954 +  },
  2.3955 +
  2.3956 +  getElements: function(form) {
  2.3957 +    var elements = $(form).getElementsByTagName('*'),
  2.3958 +        element,
  2.3959 +        arr = [ ],
  2.3960 +        serializers = Form.Element.Serializers;
  2.3961 +    for (var i = 0; element = elements[i]; i++) {
  2.3962 +      arr.push(element);
  2.3963 +    }
  2.3964 +    return arr.inject([], function(elements, child) {
  2.3965 +      if (serializers[child.tagName.toLowerCase()])
  2.3966 +        elements.push(Element.extend(child));
  2.3967 +      return elements;
  2.3968 +    })
  2.3969 +  },
  2.3970 +
  2.3971 +  getInputs: function(form, typeName, name) {
  2.3972 +    form = $(form);
  2.3973 +    var inputs = form.getElementsByTagName('input');
  2.3974 +
  2.3975 +    if (!typeName && !name) return $A(inputs).map(Element.extend);
  2.3976 +
  2.3977 +    for (var i = 0, matchingInputs = [], length = inputs.length; i < length; i++) {
  2.3978 +      var input = inputs[i];
  2.3979 +      if ((typeName && input.type != typeName) || (name && input.name != name))
  2.3980 +        continue;
  2.3981 +      matchingInputs.push(Element.extend(input));
  2.3982 +    }
  2.3983 +
  2.3984 +    return matchingInputs;
  2.3985 +  },
  2.3986 +
  2.3987 +  disable: function(form) {
  2.3988 +    form = $(form);
  2.3989 +    Form.getElements(form).invoke('disable');
  2.3990 +    return form;
  2.3991 +  },
  2.3992 +
  2.3993 +  enable: function(form) {
  2.3994 +    form = $(form);
  2.3995 +    Form.getElements(form).invoke('enable');
  2.3996 +    return form;
  2.3997 +  },
  2.3998 +
  2.3999 +  findFirstElement: function(form) {
  2.4000 +    var elements = $(form).getElements().findAll(function(element) {
  2.4001 +      return 'hidden' != element.type && !element.disabled;
  2.4002 +    });
  2.4003 +    var firstByIndex = elements.findAll(function(element) {
  2.4004 +      return element.hasAttribute('tabIndex') && element.tabIndex >= 0;
  2.4005 +    }).sortBy(function(element) { return element.tabIndex }).first();
  2.4006 +
  2.4007 +    return firstByIndex ? firstByIndex : elements.find(function(element) {
  2.4008 +      return /^(?:input|select|textarea)$/i.test(element.tagName);
  2.4009 +    });
  2.4010 +  },
  2.4011 +
  2.4012 +  focusFirstElement: function(form) {
  2.4013 +    form = $(form);
  2.4014 +    form.findFirstElement().activate();
  2.4015 +    return form;
  2.4016 +  },
  2.4017 +
  2.4018 +  request: function(form, options) {
  2.4019 +    form = $(form), options = Object.clone(options || { });
  2.4020 +
  2.4021 +    var params = options.parameters, action = form.readAttribute('action') || '';
  2.4022 +    if (action.blank()) action = window.location.href;
  2.4023 +    options.parameters = form.serialize(true);
  2.4024 +
  2.4025 +    if (params) {
  2.4026 +      if (Object.isString(params)) params = params.toQueryParams();
  2.4027 +      Object.extend(options.parameters, params);
  2.4028 +    }
  2.4029 +
  2.4030 +    if (form.hasAttribute('method') && !options.method)
  2.4031 +      options.method = form.method;
  2.4032 +
  2.4033 +    return new Ajax.Request(action, options);
  2.4034 +  }
  2.4035 +};
  2.4036 +
  2.4037 +/*--------------------------------------------------------------------------*/
  2.4038 +
  2.4039 +
  2.4040 +Form.Element = {
  2.4041 +  focus: function(element) {
  2.4042 +    $(element).focus();
  2.4043 +    return element;
  2.4044 +  },
  2.4045 +
  2.4046 +  select: function(element) {
  2.4047 +    $(element).select();
  2.4048 +    return element;
  2.4049 +  }
  2.4050 +};
  2.4051 +
  2.4052 +Form.Element.Methods = {
  2.4053 +
  2.4054 +  serialize: function(element) {
  2.4055 +    element = $(element);
  2.4056 +    if (!element.disabled && element.name) {
  2.4057 +      var value = element.getValue();
  2.4058 +      if (value != undefined) {
  2.4059 +        var pair = { };
  2.4060 +        pair[element.name] = value;
  2.4061 +        return Object.toQueryString(pair);
  2.4062 +      }
  2.4063 +    }
  2.4064 +    return '';
  2.4065 +  },
  2.4066 +
  2.4067 +  getValue: function(element) {
  2.4068 +    element = $(element);
  2.4069 +    var method = element.tagName.toLowerCase();
  2.4070 +    return Form.Element.Serializers[method](element);
  2.4071 +  },
  2.4072 +
  2.4073 +  setValue: function(element, value) {
  2.4074 +    element = $(element);
  2.4075 +    var method = element.tagName.toLowerCase();
  2.4076 +    Form.Element.Serializers[method](element, value);
  2.4077 +    return element;
  2.4078 +  },
  2.4079 +
  2.4080 +  clear: function(element) {
  2.4081 +    $(element).value = '';
  2.4082 +    return element;
  2.4083 +  },
  2.4084 +
  2.4085 +  present: function(element) {
  2.4086 +    return $(element).value != '';
  2.4087 +  },
  2.4088 +
  2.4089 +  activate: function(element) {
  2.4090 +    element = $(element);
  2.4091 +    try {
  2.4092 +      element.focus();
  2.4093 +      if (element.select && (element.tagName.toLowerCase() != 'input' ||
  2.4094 +          !(/^(?:button|reset|submit)$/i.test(element.type))))
  2.4095 +        element.select();
  2.4096 +    } catch (e) { }
  2.4097 +    return element;
  2.4098 +  },
  2.4099 +
  2.4100 +  disable: function(element) {
  2.4101 +    element = $(element);
  2.4102 +    element.disabled = true;
  2.4103 +    return element;
  2.4104 +  },
  2.4105 +
  2.4106 +  enable: function(element) {
  2.4107 +    element = $(element);
  2.4108 +    element.disabled = false;
  2.4109 +    return element;
  2.4110 +  }
  2.4111 +};
  2.4112 +
  2.4113 +/*--------------------------------------------------------------------------*/
  2.4114 +
  2.4115 +var Field = Form.Element;
  2.4116 +
  2.4117 +var $F = Form.Element.Methods.getValue;
  2.4118 +
  2.4119 +/*--------------------------------------------------------------------------*/
  2.4120 +
  2.4121 +Form.Element.Serializers = {
  2.4122 +  input: function(element, value) {
  2.4123 +    switch (element.type.toLowerCase()) {
  2.4124 +      case 'checkbox':
  2.4125 +      case 'radio':
  2.4126 +        return Form.Element.Serializers.inputSelector(element, value);
  2.4127 +      default:
  2.4128 +        return Form.Element.Serializers.textarea(element, value);
  2.4129 +    }
  2.4130 +  },
  2.4131 +
  2.4132 +  inputSelector: function(element, value) {
  2.4133 +    if (Object.isUndefined(value)) return element.checked ? element.value : null;
  2.4134 +    else element.checked = !!value;
  2.4135 +  },
  2.4136 +
  2.4137 +  textarea: function(element, value) {
  2.4138 +    if (Object.isUndefined(value)) return element.value;
  2.4139 +    else element.value = value;
  2.4140 +  },
  2.4141 +
  2.4142 +  select: function(element, value) {
  2.4143 +    if (Object.isUndefined(value))
  2.4144 +      return this[element.type == 'select-one' ?
  2.4145 +        'selectOne' : 'selectMany'](element);
  2.4146 +    else {
  2.4147 +      var opt, currentValue, single = !Object.isArray(value);
  2.4148 +      for (var i = 0, length = element.length; i < length; i++) {
  2.4149 +        opt = element.options[i];
  2.4150 +        currentValue = this.optionValue(opt);
  2.4151 +        if (single) {
  2.4152 +          if (currentValue == value) {
  2.4153 +            opt.selected = true;
  2.4154 +            return;
  2.4155 +          }
  2.4156 +        }
  2.4157 +        else opt.selected = value.include(currentValue);
  2.4158 +      }
  2.4159 +    }
  2.4160 +  },
  2.4161 +
  2.4162 +  selectOne: function(element) {
  2.4163 +    var index = element.selectedIndex;
  2.4164 +    return index >= 0 ? this.optionValue(element.options[index]) : null;
  2.4165 +  },
  2.4166 +
  2.4167 +  selectMany: function(element) {
  2.4168 +    var values, length = element.length;
  2.4169 +    if (!length) return null;
  2.4170 +
  2.4171 +    for (var i = 0, values = []; i < length; i++) {
  2.4172 +      var opt = element.options[i];
  2.4173 +      if (opt.selected) values.push(this.optionValue(opt));
  2.4174 +    }
  2.4175 +    return values;
  2.4176 +  },
  2.4177 +
  2.4178 +  optionValue: function(opt) {
  2.4179 +    return Element.extend(opt).hasAttribute('value') ? opt.value : opt.text;
  2.4180 +  }
  2.4181 +};
  2.4182 +
  2.4183 +/*--------------------------------------------------------------------------*/
  2.4184 +
  2.4185 +
  2.4186 +Abstract.TimedObserver = Class.create(PeriodicalExecuter, {
  2.4187 +  initialize: function($super, element, frequency, callback) {
  2.4188 +    $super(callback, frequency);
  2.4189 +    this.element   = $(element);
  2.4190 +    this.lastValue = this.getValue();
  2.4191 +  },
  2.4192 +
  2.4193 +  execute: function() {
  2.4194 +    var value = this.getValue();
  2.4195 +    if (Object.isString(this.lastValue) && Object.isString(value) ?
  2.4196 +        this.lastValue != value : String(this.lastValue) != String(value)) {
  2.4197 +      this.callback(this.element, value);
  2.4198 +      this.lastValue = value;
  2.4199 +    }
  2.4200 +  }
  2.4201 +});
  2.4202 +
  2.4203 +Form.Element.Observer = Class.create(Abstract.TimedObserver, {
  2.4204 +  getValue: function() {
  2.4205 +    return Form.Element.getValue(this.element);
  2.4206 +  }
  2.4207 +});
  2.4208 +
  2.4209 +Form.Observer = Class.create(Abstract.TimedObserver, {
  2.4210 +  getValue: function() {
  2.4211 +    return Form.serialize(this.element);
  2.4212 +  }
  2.4213 +});
  2.4214 +
  2.4215 +/*--------------------------------------------------------------------------*/
  2.4216 +
  2.4217 +Abstract.EventObserver = Class.create({
  2.4218 +  initialize: function(element, callback) {
  2.4219 +    this.element  = $(element);
  2.4220 +    this.callback = callback;
  2.4221 +
  2.4222 +    this.lastValue = this.getValue();
  2.4223 +    if (this.element.tagName.toLowerCase() == 'form')
  2.4224 +      this.registerFormCallbacks();
  2.4225 +    else
  2.4226 +      this.registerCallback(this.element);
  2.4227 +  },
  2.4228 +
  2.4229 +  onElementEvent: function() {
  2.4230 +    var value = this.getValue();
  2.4231 +    if (this.lastValue != value) {
  2.4232 +      this.callback(this.element, value);
  2.4233 +      this.lastValue = value;
  2.4234 +    }
  2.4235 +  },
  2.4236 +
  2.4237 +  registerFormCallbacks: function() {
  2.4238 +    Form.getElements(this.element).each(this.registerCallback, this);
  2.4239 +  },
  2.4240 +
  2.4241 +  registerCallback: function(element) {
  2.4242 +    if (element.type) {
  2.4243 +      switch (element.type.toLowerCase()) {
  2.4244 +        case 'checkbox':
  2.4245 +        case 'radio':
  2.4246 +          Event.observe(element, 'click', this.onElementEvent.bind(this));
  2.4247 +          break;
  2.4248 +        default:
  2.4249 +          Event.observe(element, 'change', this.onElementEvent.bind(this));
  2.4250 +          break;
  2.4251 +      }
  2.4252 +    }
  2.4253 +  }
  2.4254 +});
  2.4255 +
  2.4256 +Form.Element.EventObserver = Class.create(Abstract.EventObserver, {
  2.4257 +  getValue: function() {
  2.4258 +    return Form.Element.getValue(this.element);
  2.4259 +  }
  2.4260 +});
  2.4261 +
  2.4262 +Form.EventObserver = Class.create(Abstract.EventObserver, {
  2.4263 +  getValue: function() {
  2.4264 +    return Form.serialize(this.element);
  2.4265 +  }
  2.4266 +});
  2.4267 +(function() {
  2.4268 +
  2.4269 +  var Event = {
  2.4270 +    KEY_BACKSPACE: 8,
  2.4271 +    KEY_TAB:       9,
  2.4272 +    KEY_RETURN:   13,
  2.4273 +    KEY_ESC:      27,
  2.4274 +    KEY_LEFT:     37,
  2.4275 +    KEY_UP:       38,
  2.4276 +    KEY_RIGHT:    39,
  2.4277 +    KEY_DOWN:     40,
  2.4278 +    KEY_DELETE:   46,
  2.4279 +    KEY_HOME:     36,
  2.4280 +    KEY_END:      35,
  2.4281 +    KEY_PAGEUP:   33,
  2.4282 +    KEY_PAGEDOWN: 34,
  2.4283 +    KEY_INSERT:   45,
  2.4284 +
  2.4285 +    cache: {}
  2.4286 +  };
  2.4287 +
  2.4288 +  var docEl = document.documentElement;
  2.4289 +  var MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED = 'onmouseenter' in docEl
  2.4290 +    && 'onmouseleave' in docEl;
  2.4291 +
  2.4292 +  var _isButton;
  2.4293 +  if (Prototype.Browser.IE) {
  2.4294 +    var buttonMap = { 0: 1, 1: 4, 2: 2 };
  2.4295 +    _isButton = function(event, code) {
  2.4296 +      return event.button === buttonMap[code];
  2.4297 +    };
  2.4298 +  } else if (Prototype.Browser.WebKit) {
  2.4299 +    _isButton = function(event, code) {
  2.4300 +      switch (code) {
  2.4301 +        case 0: return event.which == 1 && !event.metaKey;
  2.4302 +        case 1: return event.which == 1 && event.metaKey;
  2.4303 +        default: return false;
  2.4304 +      }
  2.4305 +    };
  2.4306 +  } else {
  2.4307 +    _isButton = function(event, code) {
  2.4308 +      return event.which ? (event.which === code + 1) : (event.button === code);
  2.4309 +    };
  2.4310 +  }
  2.4311 +
  2.4312 +  function isLeftClick(event)   { return _isButton(event, 0) }
  2.4313 +
  2.4314 +  function isMiddleClick(event) { return _isButton(event, 1) }
  2.4315 +
  2.4316 +  function isRightClick(event)  { return _isButton(event, 2) }
  2.4317 +
  2.4318 +  function element(event) {
  2.4319 +    event = Event.extend(event);
  2.4320 +
  2.4321 +    var node = event.target, type = event.type,
  2.4322 +     currentTarget = event.currentTarget;
  2.4323 +
  2.4324 +    if (currentTarget && currentTarget.tagName) {
  2.4325 +      if (type === 'load' || type === 'error' ||
  2.4326 +        (type === 'click' && currentTarget.tagName.toLowerCase() === 'input'
  2.4327 +          && currentTarget.type === 'radio'))
  2.4328 +            node = currentTarget;
  2.4329 +    }
  2.4330 +
  2.4331 +    if (node.nodeType == Node.TEXT_NODE)
  2.4332 +      node = node.parentNode;
  2.4333 +
  2.4334 +    return Element.extend(node);
  2.4335 +  }
  2.4336 +
  2.4337 +  function findElement(event, expression) {
  2.4338 +    var element = Event.element(event);
  2.4339 +    if (!expression) return element;
  2.4340 +    var elements = [element].concat(element.ancestors());
  2.4341 +    return Selector.findElement(elements, expression, 0);
  2.4342 +  }
  2.4343 +
  2.4344 +  function pointer(event) {
  2.4345 +    return { x: pointerX(event), y: pointerY(event) };
  2.4346 +  }
  2.4347 +
  2.4348 +  function pointerX(event) {
  2.4349 +    var docElement = document.documentElement,
  2.4350 +     body = document.body || { scrollLeft: 0 };
  2.4351 +
  2.4352 +    return event.pageX || (event.clientX +
  2.4353 +      (docElement.scrollLeft || body.scrollLeft) -
  2.4354 +      (docElement.clientLeft || 0));
  2.4355 +  }
  2.4356 +
  2.4357 +  function pointerY(event) {
  2.4358 +    var docElement = document.documentElement,
  2.4359 +     body = document.body || { scrollTop: 0 };
  2.4360 +
  2.4361 +    return  event.pageY || (event.clientY +
  2.4362 +       (docElement.scrollTop || body.scrollTop) -
  2.4363 +       (docElement.clientTop || 0));
  2.4364 +  }
  2.4365 +
  2.4366 +
  2.4367 +  function stop(event) {
  2.4368 +    Event.extend(event);
  2.4369 +    event.preventDefault();
  2.4370 +    event.stopPropagation();
  2.4371 +
  2.4372 +    event.stopped = true;
  2.4373 +  }
  2.4374 +
  2.4375 +  Event.Methods = {
  2.4376 +    isLeftClick: isLeftClick,
  2.4377 +    isMiddleClick: isMiddleClick,
  2.4378 +    isRightClick: isRightClick,
  2.4379 +
  2.4380 +    element: element,
  2.4381 +    findElement: findElement,
  2.4382 +
  2.4383 +    pointer: pointer,
  2.4384 +    pointerX: pointerX,
  2.4385 +    pointerY: pointerY,
  2.4386 +
  2.4387 +    stop: stop
  2.4388 +  };
  2.4389 +
  2.4390 +
  2.4391 +  var methods = Object.keys(Event.Methods).inject({ }, function(m, name) {
  2.4392 +    m[name] = Event.Methods[name].methodize();
  2.4393 +    return m;
  2.4394 +  });
  2.4395 +
  2.4396 +  if (Prototype.Browser.IE) {
  2.4397 +    function _relatedTarget(event) {
  2.4398 +      var element;
  2.4399 +      switch (event.type) {
  2.4400 +        case 'mouseover': element = event.fromElement; break;
  2.4401 +        case 'mouseout':  element = event.toElement;   break;
  2.4402 +        default: return null;
  2.4403 +      }
  2.4404 +      return Element.extend(element);
  2.4405 +    }
  2.4406 +
  2.4407 +    Object.extend(methods, {
  2.4408 +      stopPropagation: function() { this.cancelBubble = true },
  2.4409 +      preventDefault:  function() { this.returnValue = false },
  2.4410 +      inspect: function() { return '[object Event]' }
  2.4411 +    });
  2.4412 +
  2.4413 +    Event.extend = function(event, element) {
  2.4414 +      if (!event) return false;
  2.4415 +      if (event._extendedByPrototype) return event;
  2.4416 +
  2.4417 +      event._extendedByPrototype = Prototype.emptyFunction;
  2.4418 +      var pointer = Event.pointer(event);
  2.4419 +
  2.4420 +      Object.extend(event, {
  2.4421 +        target: event.srcElement || element,
  2.4422 +        relatedTarget: _relatedTarget(event),
  2.4423 +        pageX:  pointer.x,
  2.4424 +        pageY:  pointer.y
  2.4425 +      });
  2.4426 +
  2.4427 +      return Object.extend(event, methods);
  2.4428 +    };
  2.4429 +  } else {
  2.4430 +    Event.prototype = window.Event.prototype || document.createEvent('HTMLEvents').__proto__;
  2.4431 +    Object.extend(Event.prototype, methods);
  2.4432 +    Event.extend = Prototype.K;
  2.4433 +  }
  2.4434 +
  2.4435 +  function _createResponder(element, eventName, handler) {
  2.4436 +    var registry = Element.retrieve(element, 'prototype_event_registry');
  2.4437 +
  2.4438 +    if (Object.isUndefined(registry)) {
  2.4439 +      CACHE.push(element);
  2.4440 +      registry = Element.retrieve(element, 'prototype_event_registry', $H());
  2.4441 +    }
  2.4442 +
  2.4443 +    var respondersForEvent = registry.get(eventName);
  2.4444 +    if (Object.isUndefined(respondersForEvent)) {
  2.4445 +      respondersForEvent = [];
  2.4446 +      registry.set(eventName, respondersForEvent);
  2.4447 +    }
  2.4448 +
  2.4449 +    if (respondersForEvent.pluck('handler').include(handler)) return false;
  2.4450 +
  2.4451 +    var responder;
  2.4452 +    if (eventName.include(":")) {
  2.4453 +      responder = function(event) {
  2.4454 +        if (Object.isUndefined(event.eventName))
  2.4455 +          return false;
  2.4456 +
  2.4457 +        if (event.eventName !== eventName)
  2.4458 +          return false;
  2.4459 +
  2.4460 +        Event.extend(event, element);
  2.4461 +        handler.call(element, event);
  2.4462 +      };
  2.4463 +    } else {
  2.4464 +      if (!MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED &&
  2.4465 +       (eventName === "mouseenter" || eventName === "mouseleave")) {
  2.4466 +        if (eventName === "mouseenter" || eventName === "mouseleave") {
  2.4467 +          responder = function(event) {
  2.4468 +            Event.extend(event, element);
  2.4469 +
  2.4470 +            var parent = event.relatedTarget;
  2.4471 +            while (parent && parent !== element) {
  2.4472 +              try { parent = parent.parentNode; }
  2.4473 +              catch(e) { parent = element; }
  2.4474 +            }
  2.4475 +
  2.4476 +            if (parent === element) return;
  2.4477 +
  2.4478 +            handler.call(element, event);
  2.4479 +          };
  2.4480 +        }
  2.4481 +      } else {
  2.4482 +        responder = function(event) {
  2.4483 +          Event.extend(event, element);
  2.4484 +          handler.call(element, event);
  2.4485 +        };
  2.4486 +      }
  2.4487 +    }
  2.4488 +
  2.4489 +    responder.handler = handler;
  2.4490 +    respondersForEvent.push(responder);
  2.4491 +    return responder;
  2.4492 +  }
  2.4493 +
  2.4494 +  function _destroyCache() {
  2.4495 +    for (var i = 0, length = CACHE.length; i < length; i++) {
  2.4496 +      Event.stopObserving(CACHE[i]);
  2.4497 +      CACHE[i] = null;
  2.4498 +    }
  2.4499 +  }
  2.4500 +
  2.4501 +  var CACHE = [];
  2.4502 +
  2.4503 +  if (Prototype.Browser.IE)
  2.4504 +    window.attachEvent('onunload', _destroyCache);
  2.4505 +
  2.4506 +  if (Prototype.Browser.WebKit)
  2.4507 +    window.addEventListener('unload', Prototype.emptyFunction, false);
  2.4508 +
  2.4509 +
  2.4510 +  var _getDOMEventName = Prototype.K;
  2.4511 +
  2.4512 +  if (!MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED) {
  2.4513 +    _getDOMEventName = function(eventName) {
  2.4514 +      var translations = { mouseenter: "mouseover", mouseleave: "mouseout" };
  2.4515 +      return eventName in translations ? translations[eventName] : eventName;
  2.4516 +    };
  2.4517 +  }
  2.4518 +
  2.4519 +  function observe(element, eventName, handler) {
  2.4520 +    element = $(element);
  2.4521 +
  2.4522 +    var responder = _createResponder(element, eventName, handler);
  2.4523 +
  2.4524 +    if (!responder) return element;
  2.4525 +
  2.4526 +    if (eventName.include(':')) {
  2.4527 +      if (element.addEventListener)
  2.4528 +        element.addEventListener("dataavailable", responder, false);
  2.4529 +      else {
  2.4530 +        element.attachEvent("ondataavailable", responder);
  2.4531 +        element.attachEvent("onfilterchange", responder);
  2.4532 +      }
  2.4533 +    } else {
  2.4534 +      var actualEventName = _getDOMEventName(eventName);
  2.4535 +
  2.4536 +      if (element.addEventListener)
  2.4537 +        element.addEventListener(actualEventName, responder, false);
  2.4538 +      else
  2.4539 +        element.attachEvent("on" + actualEventName, responder);
  2.4540 +    }
  2.4541 +
  2.4542 +    return element;
  2.4543 +  }
  2.4544 +
  2.4545 +  function stopObserving(element, eventName, handler) {
  2.4546 +    element = $(element);
  2.4547 +
  2.4548 +    var registry = Element.retrieve(element, 'prototype_event_registry');
  2.4549 +
  2.4550 +    if (Object.isUndefined(registry)) return element;
  2.4551 +
  2.4552 +    if (eventName && !handler) {
  2.4553 +      var responders = registry.get(eventName);
  2.4554 +
  2.4555 +      if (Object.isUndefined(responders)) return element;
  2.4556 +
  2.4557 +      responders.each( function(r) {
  2.4558 +        Element.stopObserving(element, eventName, r.handler);
  2.4559 +      });
  2.4560 +      return element;
  2.4561 +    } else if (!eventName) {
  2.4562 +      registry.each( function(pair) {
  2.4563 +        var eventName = pair.key, responders = pair.value;
  2.4564 +
  2.4565 +        responders.each( function(r) {
  2.4566 +          Element.stopObserving(element, eventName, r.handler);
  2.4567 +        });
  2.4568 +      });
  2.4569 +      return element;
  2.4570 +    }
  2.4571 +
  2.4572 +    var responders = registry.get(eventName);
  2.4573 +
  2.4574 +    if (!responders) return;
  2.4575 +
  2.4576 +    var responder = responders.find( function(r) { return r.handler === handler; });
  2.4577 +    if (!responder) return element;
  2.4578 +
  2.4579 +    var actualEventName = _getDOMEventName(eventName);
  2.4580 +
  2.4581 +    if (eventName.include(':')) {
  2.4582 +      if (element.removeEventListener)
  2.4583 +        element.removeEventListener("dataavailable", responder, false);
  2.4584 +      else {
  2.4585 +        element.detachEvent("ondataavailable", responder);
  2.4586 +        element.detachEvent("onfilterchange",  responder);
  2.4587 +      }
  2.4588 +    } else {
  2.4589 +      if (element.removeEventListener)
  2.4590 +        element.removeEventListener(actualEventName, responder, false);
  2.4591 +      else
  2.4592 +        element.detachEvent('on' + actualEventName, responder);
  2.4593 +    }
  2.4594 +
  2.4595 +    registry.set(eventName, responders.without(responder));
  2.4596 +
  2.4597 +    return element;
  2.4598 +  }
  2.4599 +
  2.4600 +  function fire(element, eventName, memo, bubble) {
  2.4601 +    element = $(element);
  2.4602 +
  2.4603 +    if (Object.isUndefined(bubble))
  2.4604 +      bubble = true;
  2.4605 +
  2.4606 +    if (element == document && document.createEvent && !element.dispatchEvent)
  2.4607 +      element = document.documentElement;
  2.4608 +
  2.4609 +    var event;
  2.4610 +    if (document.createEvent) {
  2.4611 +      event = document.createEvent('HTMLEvents');
  2.4612 +      event.initEvent('dataavailable', true, true);
  2.4613 +    } else {
  2.4614 +      event = document.createEventObject();
  2.4615 +      event.eventType = bubble ? 'ondataavailable' : 'onfilterchange';
  2.4616 +    }
  2.4617 +
  2.4618 +    event.eventName = eventName;
  2.4619 +    event.memo = memo || { };
  2.4620 +
  2.4621 +    if (document.createEvent)
  2.4622 +      element.dispatchEvent(event);
  2.4623 +    else
  2.4624 +      element.fireEvent(event.eventType, event);
  2.4625 +
  2.4626 +    return Event.extend(event);
  2.4627 +  }
  2.4628 +
  2.4629 +
  2.4630 +  Object.extend(Event, Event.Methods);
  2.4631 +
  2.4632 +  Object.extend(Event, {
  2.4633 +    fire:          fire,
  2.4634 +    observe:       observe,
  2.4635 +    stopObserving: stopObserving
  2.4636 +  });
  2.4637 +
  2.4638 +  Element.addMethods({
  2.4639 +    fire:          fire,
  2.4640 +
  2.4641 +    observe:       observe,
  2.4642 +
  2.4643 +    stopObserving: stopObserving
  2.4644 +  });
  2.4645 +
  2.4646 +  Object.extend(document, {
  2.4647 +    fire:          fire.methodize(),
  2.4648 +
  2.4649 +    observe:       observe.methodize(),
  2.4650 +
  2.4651 +    stopObserving: stopObserving.methodize(),
  2.4652 +
  2.4653 +    loaded:        false
  2.4654 +  });
  2.4655 +
  2.4656 +  if (window.Event) Object.extend(window.Event, Event);
  2.4657 +  else window.Event = Event;
  2.4658 +})();
  2.4659 +
  2.4660 +(function() {
  2.4661 +  /* Support for the DOMContentLoaded event is based on work by Dan Webb,
  2.4662 +     Matthias Miller, Dean Edwards, John Resig, and Diego Perini. */
  2.4663 +
  2.4664 +  var timer;
  2.4665 +
  2.4666 +  function fireContentLoadedEvent() {
  2.4667 +    if (document.loaded) return;
  2.4668 +    if (timer) window.clearTimeout(timer);
  2.4669 +    document.loaded = true;
  2.4670 +    document.fire('dom:loaded');
  2.4671 +  }
  2.4672 +
  2.4673 +  function checkReadyState() {
  2.4674 +    if (document.readyState === 'complete') {
  2.4675 +      document.stopObserving('readystatechange', checkReadyState);
  2.4676 +      fireContentLoadedEvent();
  2.4677 +    }
  2.4678 +  }
  2.4679 +
  2.4680 +  function pollDoScroll() {
  2.4681 +    try { document.documentElement.doScroll('left'); }
  2.4682 +    catch(e) {
  2.4683 +      timer = pollDoScroll.defer();
  2.4684 +      return;
  2.4685 +    }
  2.4686 +    fireContentLoadedEvent();
  2.4687 +  }
  2.4688 +
  2.4689 +  if (document.addEventListener) {
  2.4690 +    document.addEventListener('DOMContentLoaded', fireContentLoadedEvent, false);
  2.4691 +  } else {
  2.4692 +    document.observe('readystatechange', checkReadyState);
  2.4693 +    if (window == top)
  2.4694 +      timer = pollDoScroll.defer();
  2.4695 +  }
  2.4696 +
  2.4697 +  Event.observe(window, 'load', fireContentLoadedEvent);
  2.4698 +})();
  2.4699 +
  2.4700 +Element.addMethods();
  2.4701 +
  2.4702 +/*------------------------------- DEPRECATED -------------------------------*/
  2.4703 +
  2.4704 +Hash.toQueryString = Object.toQueryString;
  2.4705 +
  2.4706 +var Toggle = { display: Element.toggle };
  2.4707 +
  2.4708 +Element.Methods.childOf = Element.Methods.descendantOf;
  2.4709 +
  2.4710 +var Insertion = {
  2.4711 +  Before: function(element, content) {
  2.4712 +    return Element.insert(element, {before:content});
  2.4713 +  },
  2.4714 +
  2.4715 +  Top: function(element, content) {
  2.4716 +    return Element.insert(element, {top:content});
  2.4717 +  },
  2.4718 +
  2.4719 +  Bottom: function(element, content) {
  2.4720 +    return Element.insert(element, {bottom:content});
  2.4721 +  },
  2.4722 +
  2.4723 +  After: function(element, content) {
  2.4724 +    return Element.insert(element, {after:content});
  2.4725 +  }
  2.4726 +};
  2.4727 +
  2.4728 +var $continue = new Error('"throw $continue" is deprecated, use "return" instead');
  2.4729 +
  2.4730 +var Position = {
  2.4731 +  includeScrollOffsets: false,
  2.4732 +
  2.4733 +  prepare: function() {
  2.4734 +    this.deltaX =  window.pageXOffset
  2.4735 +                || document.documentElement.scrollLeft
  2.4736 +                || document.body.scrollLeft
  2.4737 +                || 0;
  2.4738 +    this.deltaY =  window.pageYOffset
  2.4739 +                || document.documentElement.scrollTop
  2.4740 +                || document.body.scrollTop
  2.4741 +                || 0;
  2.4742 +  },
  2.4743 +
  2.4744 +  within: function(element, x, y) {
  2.4745 +    if (this.includeScrollOffsets)
  2.4746 +      return this.withinIncludingScrolloffsets(element, x, y);
  2.4747 +    this.xcomp = x;
  2.4748 +    this.ycomp = y;
  2.4749 +    this.offset = Element.cumulativeOffset(element);
  2.4750 +
  2.4751 +    return (y >= this.offset[1] &&
  2.4752 +            y <  this.offset[1] + element.offsetHeight &&
  2.4753 +            x >= this.offset[0] &&
  2.4754 +            x <  this.offset[0] + element.offsetWidth);
  2.4755 +  },
  2.4756 +
  2.4757 +  withinIncludingScrolloffsets: function(element, x, y) {
  2.4758 +    var offsetcache = Element.cumulativeScrollOffset(element);
  2.4759 +
  2.4760 +    this.xcomp = x + offsetcache[0] - this.deltaX;
  2.4761 +    this.ycomp = y + offsetcache[1] - this.deltaY;
  2.4762 +    this.offset = Element.cumulativeOffset(element);
  2.4763 +
  2.4764 +    return (this.ycomp >= this.offset[1] &&
  2.4765 +            this.ycomp <  this.offset[1] + element.offsetHeight &&
  2.4766 +            this.xcomp >= this.offset[0] &&
  2.4767 +            this.xcomp <  this.offset[0] + element.offsetWidth);
  2.4768 +  },
  2.4769 +
  2.4770 +  overlap: function(mode, element) {
  2.4771 +    if (!mode) return 0;
  2.4772 +    if (mode == 'vertical')
  2.4773 +      return ((this.offset[1] + element.offsetHeight) - this.ycomp) /
  2.4774 +        element.offsetHeight;
  2.4775 +    if (mode == 'horizontal')
  2.4776 +      return ((this.offset[0] + element.offsetWidth) - this.xcomp) /
  2.4777 +        element.offsetWidth;
  2.4778 +  },
  2.4779 +
  2.4780 +
  2.4781 +  cumulativeOffset: Element.Methods.cumulativeOffset,
  2.4782 +
  2.4783 +  positionedOffset: Element.Methods.positionedOffset,
  2.4784 +
  2.4785 +  absolutize: function(element) {
  2.4786 +    Position.prepare();
  2.4787 +    return Element.absolutize(element);
  2.4788 +  },
  2.4789 +
  2.4790 +  relativize: function(element) {
  2.4791 +    Position.prepare();
  2.4792 +    return Element.relativize(element);
  2.4793 +  },
  2.4794 +
  2.4795 +  realOffset: Element.Methods.cumulativeScrollOffset,
  2.4796 +
  2.4797 +  offsetParent: Element.Methods.getOffsetParent,
  2.4798 +
  2.4799 +  page: Element.Methods.viewportOffset,
  2.4800 +
  2.4801 +  clone: function(source, target, options) {
  2.4802 +    options = options || { };
  2.4803 +    return Element.clonePosition(target, source, options);
  2.4804 +  }
  2.4805 +};
  2.4806 +
  2.4807 +/*--------------------------------------------------------------------------*/
  2.4808 +
  2.4809 +if (!document.getElementsByClassName) document.getElementsByClassName = function(instanceMethods){
  2.4810 +  function iter(name) {
  2.4811 +    return name.blank() ? null : "[contains(concat(' ', @class, ' '), ' " + name + " ')]";
  2.4812 +  }
  2.4813 +
  2.4814 +  instanceMethods.getElementsByClassName = Prototype.BrowserFeatures.XPath ?
  2.4815 +  function(element, className) {
  2.4816 +    className = className.toString().strip();
  2.4817 +    var cond = /\s/.test(className) ? $w(className).map(iter).join('') : iter(className);
  2.4818 +    return cond ? document._getElementsByXPath('.//*' + cond, element) : [];
  2.4819 +  } : function(element, className) {
  2.4820 +    className = className.toString().strip();
  2.4821 +    var elements = [], classNames = (/\s/.test(className) ? $w(className) : null);
  2.4822 +    if (!classNames && !className) return elements;
  2.4823 +
  2.4824 +    var nodes = $(element).getElementsByTagName('*');
  2.4825 +    className = ' ' + className + ' ';
  2.4826 +
  2.4827 +    for (var i = 0, child, cn; child = nodes[i]; i++) {
  2.4828 +      if (child.className && (cn = ' ' + child.className + ' ') && (cn.include(className) ||
  2.4829 +          (classNames && classNames.all(function(name) {
  2.4830 +            return !name.toString().blank() && cn.include(' ' + name + ' ');
  2.4831 +          }))))
  2.4832 +        elements.push(Element.extend(child));
  2.4833 +    }
  2.4834 +    return elements;
  2.4835 +  };
  2.4836 +
  2.4837 +  return function(className, parentElement) {
  2.4838 +    return $(parentElement || document.body).getElementsByClassName(className);
  2.4839 +  };
  2.4840 +}(Element.Methods);
  2.4841 +
  2.4842 +/*--------------------------------------------------------------------------*/
  2.4843 +
  2.4844 +Element.ClassNames = Class.create();
  2.4845 +Element.ClassNames.prototype = {
  2.4846 +  initialize: function(element) {
  2.4847 +    this.element = $(element);
  2.4848 +  },
  2.4849 +
  2.4850 +  _each: function(iterator) {
  2.4851 +    this.element.className.split(/\s+/).select(function(name) {
  2.4852 +      return name.length > 0;
  2.4853 +    })._each(iterator);
  2.4854 +  },
  2.4855 +
  2.4856 +  set: function(className) {
  2.4857 +    this.element.className = className;
  2.4858 +  },
  2.4859 +
  2.4860 +  add: function(classNameToAdd) {
  2.4861 +    if (this.include(classNameToAdd)) return;
  2.4862 +    this.set($A(this).concat(classNameToAdd).join(' '));
  2.4863 +  },
  2.4864 +
  2.4865 +  remove: function(classNameToRemove) {
  2.4866 +    if (!this.include(classNameToRemove)) return;
  2.4867 +    this.set($A(this).without(classNameToRemove).join(' '));
  2.4868 +  },
  2.4869 +
  2.4870 +  toString: function() {
  2.4871 +    return $A(this).join(' ');
  2.4872 +  }
  2.4873 +};
  2.4874 +
  2.4875 +Object.extend(Element.ClassNames.prototype, Enumerable);
  2.4876 +
  2.4877 +/*--------------------------------------------------------------------------*/