var Prototype = {
 Version: '1.5.0',
 BrowserFeatures: {
 XPath: !!document.evaluate
 },

 ScriptFragment: '(?:<script.*?>)((\n|\r|.)*?)(?:<\/script>)',
 emptyFunction: function() {},
 K: function(x) { return x }
}

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

var Abstract = new Object();

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

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

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

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

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

Function.prototype.bind = function() {
 var __method = this, args = $A(arguments), object = args.shift();
 return function() {
 return __method.apply(object, args.concat($A(arguments)));
 }
}

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

Object.extend(Number.prototype, {
 toColorPart: function() {
 var digits = this.toString(16);
 if (this < 16) return '0' + digits;
 return digits;
 },

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

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

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

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

 return returnValue;
 }
}

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

 this.registerCallback();
 },

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

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

 onTimerEvent: function() {
 if (!this.currentlyExecuting) {
 try {
 this.currentlyExecuting = true;
 this.callback(this);
 } finally {
 this.currentlyExecuting = false;
 }
 }
 }
}
String.interpret = function(value){
 return value == null ? '' : String(value);
}
*/
Object.extend(String.prototype, {
 gsub: function(pattern, replacement) {
 var result = '', source = this, match;
 replacement = arguments.callee.prepareReplacement(replacement);

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

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

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

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

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

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

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

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

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

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

 escapeHTML: function() {
 var div = document.createElement('div');
 var text = document.createTextNode(this);
 div.appendChild(text);
 return div.innerHTML;
 },

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

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

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

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

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

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

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

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

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

 return camelized;
 },

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

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

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

 inspect: function(useDoubleQuotes) {
 var escapedString = this.replace(/\\/g, '\\\\');
 if (useDoubleQuotes)
 return '"' + escapedString.replace(/"/g, '\\"') + '"';
 else
 return "'" + escapedString.replace(/'/g, '\\\'') + "'";
 }
});

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

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

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

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

var $break = new Object();
var $continue = new Object();

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

Object.extend(Array.prototype, Enumerable);

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

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

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

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

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

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

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

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

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

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

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

 uniq: function() {
 return this.inject([], function(array, value) {
 return array.include(value) ? array : array.concat([value]);
 });
 },

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

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

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

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

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

if(window.opera){
 Array.prototype.concat = function(){
 var array = [];
 for(var i = 0, length = this.length; i < length; i++) array.push(this[i]);
 for(var i = 0, length = arguments.length; i < length; i++) {
 if(arguments[i].constructor == Array) {
 for(var j = 0, arrayLength = arguments[i].length; j < arrayLength; j++)
 array.push(arguments[i][j]);
 } else {
 array.push(arguments[i]);
 }
 }
 return array;
 }
}

var Hash = function(obj) {
 Object.extend(this, obj || {});
};

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

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

 if (pair.value && pair.value.constructor == Array) {
 var values = pair.value.compact();
 if (values.length < 2) pair.value = values.reduce();
 else {
 	key = encodeURIComponent(pair.key);
 values.each(function(value) {
 value = value != undefined ? encodeURIComponent(value) : '';
 parts.push(key + '=' + encodeURIComponent(value));
 });
 return;
 }
 }
 if (pair.value == undefined) pair[1] = '';
 parts.push(pair.map(encodeURIComponent).join('='));
	 });

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

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

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

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

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

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

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

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

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

function $H(object) {
 if (object && object.constructor == Hash) return object;
 return new Hash(object);
};
ObjectRange = Class.create();
Object.extend(ObjectRange.prototype, Enumerable);
Object.extend(ObjectRange.prototype, {
 initialize: function(start, end, exclusive) {
 this.start = start;
 this.end = end;
 this.exclusive = exclusive;
 },

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

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

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

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

 activeRequestCount: 0
}

Ajax.Responders = {
 responders: [],

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

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

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

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

Object.extend(Ajax.Responders, Enumerable);

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

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

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

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

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

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

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

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

 params = Hash.toQueryString(params);
 if (params && /Konqueror|Safari|KHTML/.test(navigator.userAgent)) params += '&_='

 // when GET, append parameters to URL
 if (this.method == 'get' && params)
 this.url += (this.url.indexOf('?') > -1 ? '&' : '?') + params;

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

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

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

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

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

 this.transport.send(body);

 if (!this.options.asynchronous && this.transport.overrideMimeType)
 this.onStateChange();

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

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

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

 if (this.method == 'post') {
 headers['Content-type'] = this.options.contentType +
 (this.options.encoding ? '; charset=' + this.options.encoding : '');
 if (this.transport.overrideMimeType &&
 (navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < 2005)
 headers['Connection'] = 'close';
 }
 if (typeof this.options.requestHeaders == 'object') {
 var extras = this.options.requestHeaders;

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

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

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

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

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

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

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

 if (state == 'Complete') {
 this.transport.onreadystatechange = Prototype.emptyFunction;
 }
 },

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

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

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

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

Ajax.Updater = Class.create();

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

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

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

 this.request(url);
 },

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

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

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

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

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

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

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

 this.start();
 },

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

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

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

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

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

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

document.getElementsByClassName = function(className, parentElement) {
 if (Prototype.BrowserFeatures.XPath) {
 var q = ".//*[contains(concat(' ', @class, ' '), ' " + className + " ')]";
 return document._getElementsByXPath(q, parentElement);
 } else {
 var children = ($(parentElement) || document.body).getElementsByTagName('*');
 var elements = [], child;
 for (var i = 0, length = children.length; i < length; i++) {
 child = children[i];
 if (Element.hasClassName(child, className))
 elements.push(Element.extend(child));
 }
 return elements;
 }
};
if (!window.Element)
 var Element = new Object();

Element.extend = function(element) {
 if (!element || _nativeExtensions || element.nodeType == 3) return element;

 if (!element._extended && element.tagName && element != window) {
 var methods = Object.clone(Element.Methods), cache = Element.extend.cache;

 if (element.tagName == 'FORM')
 Object.extend(methods, Form.Methods);
 if (['INPUT', 'TEXTAREA', 'SELECT'].include(element.tagName))
 Object.extend(methods, Form.Element.Methods);

 Object.extend(methods, Element.Methods.Simulated);

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

 element._extended = true;
 return element;
};

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

 up: function(element, expression, index) {
 return Selector.findElement($(element).ancestors(), expression, index);
 },

 down: function(element, expression, index) {
 return Selector.findElement($(element).descendants(), expression, index);
 },

 previous: function(element, expression, index) {
 return Selector.findElement($(element).previousSiblings(), expression, index);
 },

 next: function(element, expression, index) {
 return Selector.findElement($(element).nextSiblings(), expression, index);
 },

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

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

 readAttribute: function(element, name) {
 element = $(element);
 if (document.all && !window.opera) {
 var t = Element._attributeTranslations;
 if (t.values[name]) return t.values[name](element, name);
 if (t.names[name]) name = t.names[name];
 var attribute = element.attributes[name];
 if(attribute) return attribute.nodeValue;
 }
 return element.getAttribute(name);
 },

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

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

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

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

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

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

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

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

 stopObserving: function() {
 Event.stopObserving.apply(Event, arguments);
 return $A(arguments).first();
 },
 cleanWhitespace: function(element) {
 element = $(element);
 var node = element.firstChild;
 while (node) {
 var nextNode = node.nextSibling;
 if (node.nodeType == 3 && !/\S/.test(node.nodeValue))
 element.removeChild(node);
 node = nextNode;
 }
 return element;
 },

 empty: function(element) {
 return $(element).innerHTML.match(/^\s*$/);
 },

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

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

 getStyle: function(element, style) {
 element = $(element);
 if (['float','cssFloat'].include(style))
 style = (typeof element.style.styleFloat != 'undefined' ? 'styleFloat' : 'cssFloat');
 style = style.camelize();
 var value = element.style[style];
 if (!value) {
 if (document.defaultView && document.defaultView.getComputedStyle) {
 var css = document.defaultView.getComputedStyle(element, null);
 value = css ? css[style] : null;
 } else if (element.currentStyle) {
 value = element.currentStyle[style];
 }
 }

 if((value == 'auto') && ['width','height'].include(style) && (element.getStyle('display') != 'none'))
 value = element['offset'+style.capitalize()] + 'px';

 if (window.opera && ['left', 'top', 'right', 'bottom'].include(style))
 if (Element.getStyle(element, 'position') == 'static') value = 'auto';
 if(style == 'opacity') {
 if(value) return parseFloat(value);
 if(value = (element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/))
 if(value[1]) return parseFloat(value[1]) / 100;
 return 1.0;
 }
 return value == 'auto' ? null : value;
 },

 setStyle: function(element, style) {
 element = $(element);
 for (var name in style) {
 var value = style[name];
 if(name == 'opacity') {
 if (value == 1) {
 value = (/Gecko/.test(navigator.userAgent) &&
 !/Konqueror|Safari|KHTML/.test(navigator.userAgent)) ? 0.999999 : 1.0;
 if(/MSIE/.test(navigator.userAgent) && !window.opera)
 element.style.filter = element.getStyle('filter').replace(/alpha\([^\)]*\)/gi,'');
 } else if(value == '') {
 if(/MSIE/.test(navigator.userAgent) && !window.opera)
 element.style.filter = element.getStyle('filter').replace(/alpha\([^\)]*\)/gi,'');
 } else {
 if(value < 0.00001) value = 0;
 if(/MSIE/.test(navigator.userAgent) && !window.opera)
 element.style.filter = element.getStyle('filter').replace(/alpha\([^\)]*\)/gi,'') +
 'alpha(opacity='+value*100+')';
 }
 } else if(['float','cssFloat'].include(name)) name = (typeof element.style.styleFloat != 'undefined') ? 'styleFloat' : 'cssFloat';
 element.style[name.camelize()] = value;
 }
 return element;
 },

 getDimensions: function(element) {
 element = $(element);
 var display = $(element).getStyle('display');
 if (display != 'none' && display != null) // Safari bug
 return {width: element.offsetWidth, height: element.offsetHeight};
 var els = element.style;
 var originalVisibility = els.visibility;
 var originalPosition = els.position;
 var originalDisplay = els.display;
 els.visibility = 'hidden';
 els.position = 'absolute';
 els.display = 'block';
 var originalWidth = element.clientWidth;
 var originalHeight = element.clientHeight;
 els.display = originalDisplay;
 els.position = originalPosition;
 els.visibility = originalVisibility;
 return {width: originalWidth, height: originalHeight};
 },

 makePositioned: function(element) {
 element = $(element);
 var pos = Element.getStyle(element, 'position');
 if (pos == 'static' || !pos) {
 element._madePositioned = true;
 element.style.position = 'relative';
 if (window.opera) {
 element.style.top = 0;
 element.style.left = 0;
 }
 }
 return element;
 },

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

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

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

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

Element._attributeTranslations = {};

Element._attributeTranslations.names = {
 colspan: "colSpan",
 rowspan: "rowSpan",
 valign: "vAlign",
 datetime: "dateTime",
 accesskey: "accessKey",
 tabindex: "tabIndex",
 enctype: "encType",
 maxlength: "maxLength",
 readonly: "readOnly",
 longdesc: "longDesc"
};

Element._attributeTranslations.values = {
 _getAttr: function(element, attribute) {
 return element.getAttribute(attribute, 2);
 },

 _flag: function(element, attribute) {
 return $(element).hasAttribute(attribute) ? attribute : null;
 },

 style: function(element) {
 return element.style.cssText.toLowerCase();
 },

 title: function(element) {
 var node = element.getAttributeNode('title');
 return node.specified ? node.nodeValue : null;
 }
};

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

Element.Methods.Simulated = {
 hasAttribute: function(element, attribute) {
 var t = Element._attributeTranslations;
 attribute = t.names[attribute] || attribute;
 return $(element).getAttributeNode(attribute).specified;
 }
};
if (document.all && !window.opera){
 Element.Methods.update = function(element, html) {
 element = $(element);
 html = typeof html == 'undefined' ? '' : html.toString();
 var tagName = element.tagName.toUpperCase();
 if (['THEAD','TBODY','TR','TD'].include(tagName)) {
 var div = document.createElement('div');
 switch (tagName) {
 case 'THEAD':
 case 'TBODY':
 div.innerHTML = '<table><tbody>' + html.stripScripts() + '</tbody></table>';
 depth = 2;
 break;
 case 'TR':
 div.innerHTML = '<table><tbody><tr>' + html.stripScripts() + '</tr></tbody></table>';
 depth = 3;
 break;
 case 'TD':
 div.innerHTML = '<table><tbody><tr><td>' + html.stripScripts() + '</td></tr></tbody></table>';
 depth = 4;
 }
 $A(element.childNodes).each(function(node){
 element.removeChild(node)
 });
 depth.times(function(){ div = div.firstChild });

 $A(div.childNodes).each(
 function(node){ element.appendChild(node) });
 } else {
 element.innerHTML = html.stripScripts();
 }
 setTimeout(function() {html.evalScripts()}, 10);
 return element;
 }
};

Object.extend(Element, Element.Methods);

var _nativeExtensions = false;

if(/Konqueror|Safari|KHTML/.test(navigator.userAgent))
 ['', 'Form', 'Input', 'TextArea', 'Select'].each(function(tag) {
 var className = 'HTML' + tag + 'Element';
 if(window[className]) return;
 var klass = window[className] = {};
 klass.prototype = document.createElement(tag ? tag.toLowerCase() : 'div').__proto__;
 });

Element.addMethods = function(methods) {
 Object.extend(Element.Methods, methods || {});

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

 if (typeof HTMLElement != 'undefined') {
 copy(Element.Methods, HTMLElement.prototype);
 copy(Element.Methods.Simulated, HTMLElement.prototype, true);
 //copy(Form.Methods, HTMLFormElement.prototype);
 [HTMLInputElement, HTMLTextAreaElement, HTMLSelectElement].each(function(klass) {
 //copy(Form.Element.Methods, klass.prototype);
 });
 _nativeExtensions = true;
 }
}

if (/Konqueror|Safari|KHTML/.test(navigator.userAgent)) {
 Position.cumulativeOffset = function(element) {
 var valueT = 0, valueL = 0;
 do {
 valueT += element.offsetTop || 0;
 valueL += element.offsetLeft || 0;
 if (element.offsetParent == document.body)
 if (Element.getStyle(element, 'position') == 'absolute') break;

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

 return [valueL, valueT];
 }
}

Element.addMethods();