/*Prototype JavaScript framework,version 1.6.0.1*(c)2005-2007 Sam Stephenson**Prototype is freely distributable under the terms of an MIT-style license.*For details,see the Prototype web site: http:**--------------------------------------------------------------------------*/
var Prototype={Version: '1.6.0.1',Browser:{IE:     !!(window.attachEvent && !window.opera),Opera:  !!window.opera,WebKit: navigator.userAgent.indexOf('AppleWebKit/')>-1,Gecko:  navigator.userAgent.indexOf('Gecko')>-1 && navigator.userAgent.indexOf('KHTML')==-1,MobileSafari: !!navigator.userAgent.match(/Apple.*Mobile.*Safari/)},BrowserFeatures:{XPath: !!document.evaluate,ElementExtensions: !!window.HTMLElement,SpecificElementExtensions:
document.createElement('div').__proto__ &&
document.createElement('div').__proto__ !==document.createElement('form').__proto__},ScriptFragment: '<script[^>]*>([\\S\\s]*?)<\/script>',JSONFilter: /^\/\*-secure-([\s\S]*)\*\/\s*$/,emptyFunction: function(){},K: function(x){return x}};if(Prototype.Browser.MobileSafari)
Prototype.BrowserFeatures.SpecificElementExtensions=false;/*Based on Alex Arnell's inheritance implementation.*/
var Class={create: function(){var parent=null,properties=$A(arguments);if(Object.isFunction(properties[0]))
parent=properties.shift();function klass(){this.initialize.apply(this,arguments);}
Object.extend(klass,Class.Methods);klass.superclass=parent;klass.subclasses=[];if(parent){var subclass=function(){};subclass.prototype=parent.prototype;klass.prototype=new subclass;parent.subclasses.push(klass);}
for(var i=0;i < properties.length;i++)
klass.addMethods(properties[i]);if(!klass.prototype.initialize)
klass.prototype.initialize=Prototype.emptyFunction;klass.prototype.constructor=klass;return klass;}};Class.Methods={addMethods: function(source){var ancestor=this.superclass && this.superclass.prototype;var properties=Object.keys(source);if(!Object.keys({toString: true}).length)
properties.push("toString","valueOf");for(var i=0,length=properties.length;i < length;i++){var property=properties[i],value=source[property];if(ancestor && Object.isFunction(value)&&
value.argumentNames().first()=="$super"){var method=value,value=Object.extend((function(m){return function(){return ancestor[m].apply(this,arguments)};})(property).wrap(method),{valueOf:  function(){return method},toString: function(){return method.toString()}});}
this.prototype[property]=value;}
return this;}};var Abstract={};Object.extend=function(destination,source){for(var property in source)
destination[property]=source[property];return destination;};Object.extend(Object,{inspect: function(object){try{if(Object.isUndefined(object))return 'undefined';if(object===null)return 'null';return object.inspect ? object.inspect(): object.toString();} catch(e){if(e instanceof RangeError)return '...';throw e;}},toJSON: function(object){var type=typeof object;switch(type){case 'undefined':
case 'function':
case 'unknown': return;case 'boolean': return object.toString();}
if(object===null)return 'null';if(object.toJSON)return object.toJSON();if(Object.isElement(object))return;var results=[];for(var property in object){var value=Object.toJSON(object[property]);if(!Object.isUndefined(value))
results.push(property.toJSON()+': '+value);}
return '{'+results.join(',')+'}';},toQueryString: function(object){return $H(object).toQueryString();},toHTML: function(object){return object && object.toHTML ? object.toHTML(): String.interpret(object);},keys: function(object){var keys=[];for(var property in object)
keys.push(property);return keys;},values: function(object){var values=[];for(var property in object)
values.push(object[property]);return values;},clone: function(object){return Object.extend({},object);},isElement: function(object){return object && object.nodeType==1;},isArray: function(object){return object && object.constructor===Array;},isHash: function(object){return object instanceof Hash;},isFunction: function(object){return typeof object=="function";},isString: function(object){return typeof object=="string";},isNumber: function(object){return typeof object=="number";},isUndefined: function(object){return typeof object=="undefined";}});Object.extend(Function.prototype,{argumentNames: function(){var names=this.toString().match(/^[\s\(]*function[^(]*\((.*?)\)/)[1].split(",").invoke("strip");return names.length==1 && !names[0] ? [] : names;},bind: function(){if(arguments.length < 2 && Object.isUndefined(arguments[0]))return this;var __method=this,args=$A(arguments),object=args.shift();return function(){return __method.apply(object,args.concat($A(arguments)));}},bindAsEventListener: function(){var __method=this,args=$A(arguments),object=args.shift();return function(event){return __method.apply(object,[event ||window.event].concat(args));}},curry: function(){if(!arguments.length)return this;var __method=this,args=$A(arguments);return function(){return __method.apply(this,args.concat($A(arguments)));}},delay: function(){var __method=this,args=$A(arguments),timeout=args.shift()*1000;return window.setTimeout(function(){return __method.apply(__method,args);},timeout);},wrap: function(wrapper){var __method=this;return function(){return wrapper.apply(this,[__method.bind(this)].concat($A(arguments)));}},methodize: function(){if(this._methodized)return this._methodized;var __method=this;return this._methodized=function(){return __method.apply(null,[this].concat($A(arguments)));};}});Function.prototype.defer=Function.prototype.delay.curry(0.01);Date.prototype.toJSON=function(){return '"' + this.getUTCFullYear()+ '-' +
(this.getUTCMonth()+ 1).toPaddedString(2)+ '-' +
this.getUTCDate().toPaddedString(2)+ 'T' +
this.getUTCHours().toPaddedString(2)+ ':' +
this.getUTCMinutes().toPaddedString(2)+ ':' +
this.getUTCSeconds().toPaddedString(2)+ 'Z"';};var Try={these: function(){var returnValue;for(var i=0,length=arguments.length;i < length;i++){var lambda=arguments[i];try{returnValue=lambda();break;} catch(e){}}
return returnValue;}};RegExp.prototype.match=RegExp.prototype.test;RegExp.escape=function(str){return String(str).replace(/([.*+?^=!:${}()|[\]\/\\])/g,'\\$1');};/*--------------------------------------------------------------------------*/
var PeriodicalExecuter=Class.create({initialize: function(callback,frequency){this.callback=callback;this.frequency=frequency;this.currentlyExecuting=false;this.registerCallback();},registerCallback: function(){this.timer=setInterval(this.onTimerEvent.bind(this),this.frequency*1000);},execute: function(){this.callback(this);},stop: function(){if(!this.timer)return;clearInterval(this.timer);this.timer=null;},onTimerEvent: function(){if(!this.currentlyExecuting){try{this.currentlyExecuting=true;this.execute();} finally{this.currentlyExecuting=false;}}}});Object.extend(String,{interpret: function(value){return value==null ? '' : String(value);},specialChar:{'\b': '\\b','\t': '\\t','\n': '\\n','\f': '\\f','\r': '\\r','\\': '\\\\'}});Object.extend(String.prototype,{gsub: function(pattern,replacement){var result='',source=this,match;replacement=arguments.callee.prepareReplacement(replacement);while(source.length > 0){if(match=source.match(pattern)){result+=source.slice(0,match.index);result+=String.interpret(replacement(match));source=source.slice(match.index+match[0].length);} else{result+=source,source='';}}
return result;},sub: function(pattern,replacement,count){replacement=this.gsub.prepareReplacement(replacement);count=Object.isUndefined(count)? 1 : count;return this.gsub(pattern,function(match){if(--count < 0)return match[0];return replacement(match);});},scan: function(pattern,iterator){this.gsub(pattern,iterator);return String(this);},truncate: function(length,truncation){length=length ||30;truncation=Object.isUndefined(truncation)? '...' : truncation;return this.length > length ?
this.slice(0,length- truncation.length)+truncation : String(this);},strip: function(){return this.replace(/^\s+/,'').replace(/\s+$/,'');},stripTags: function(){return this.replace(/<\/?[^>]+>/gi,'');},stripScripts: function(){return this.replace(new RegExp(Prototype.ScriptFragment,'img'),'');},extractScripts: function(){var matchAll=new RegExp(Prototype.ScriptFragment,'img');var matchOne=new RegExp(Prototype.ScriptFragment,'im');return(this.match(matchAll)||[]).map(function(scriptTag){return(scriptTag.match(matchOne)||['',''])[1];});},evalScripts: function(){return this.extractScripts().map(function(script){return eval(script)});},escapeHTML: function(){var self=arguments.callee;self.text.data=this;return self.div.innerHTML;},unescapeHTML: function(){var div=new Element('div');div.innerHTML=this.stripTags();return div.childNodes[0] ?(div.childNodes.length > 1 ?
$A(div.childNodes).inject('',function(memo,node){return memo+node.nodeValue}):
div.childNodes[0].nodeValue): '';},toQueryParams: function(separator){var match=this.strip().match(/([^?#]*)(#.*)?$/);if(!match)return{};return match[1].split(separator ||'&').inject({},function(hash,pair){if((pair=pair.split('='))[0]){var key=decodeURIComponent(pair.shift());var value=pair.length > 1 ? pair.join('='): pair[0];if(value !=undefined)value=decodeURIComponent(value);if(key in hash){if(!Object.isArray(hash[key]))hash[key]=[hash[key]];hash[key].push(value);}
else hash[key]=value;}
return hash;});},toArray: function(){return this.split('');},succ: function(){return this.slice(0,this.length- 1)+String.fromCharCode(this.charCodeAt(this.length- 1)+1);},times: function(count){return count < 1 ? '' : new Array(count+1).join(this);},camelize: function(){var parts=this.split('-'),len=parts.length;if(len==1)return parts[0];var camelized=this.charAt(0)=='-'
? parts[0].charAt(0).toUpperCase()+parts[0].substring(1)
: parts[0];for(var i=1;i < len;i++)
camelized+=parts[i].charAt(0).toUpperCase()+parts[i].substring(1);return camelized;},capitalize: function(){return this.charAt(0).toUpperCase()+this.substring(1).toLowerCase();},underscore: function(){return this.gsub(/::/,'/').gsub(/([A-Z]+)([A-Z][a-z])/,'#{1}_#{2}').gsub(/([a-z\d])([A-Z])/,'#{1}_#{2}').gsub(/-/,'_').toLowerCase();},dasherize: function(){return this.gsub(/_/,'-');},inspect: function(useDoubleQuotes){var escapedString=this.gsub(/[\x00-\x1f\\]/,function(match){var character=String.specialChar[match[0]];return character ? character : '\\u00'+match[0].charCodeAt().toPaddedString(2,16);});if(useDoubleQuotes)return '"' + escapedString.replace(/"/g,'\\"')+ '"';return "'"+escapedString.replace(/'/g,'\\\'')+"'";},toJSON: function(){return this.inspect(true);},unfilterJSON: function(filter){return this.sub(filter ||Prototype.JSONFilter,'#{1}');},isJSON: function(){var str=this;if(str.blank())return false;str=this.replace(/\\./g,'@').replace(/"[^"\\\n\r]*"/g, '');return (/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test(str);},
evalJSON: function(sanitize){
var json = this.unfilterJSON();try {
if (!sanitize || json.isJSON())return eval('(' + json + ')');} catch (e){ }
throw new SyntaxError('Badly formed JSON string: ' + this.inspect());},
include: function(pattern){
return this.indexOf(pattern)> -1;},
startsWith: function(pattern){
return this.indexOf(pattern)=== 0;},
endsWith: function(pattern){
var d = this.length - pattern.length;return d >= 0 && this.lastIndexOf(pattern)=== d;},
empty: function(){
return this == '';},
blank: function(){
return /^\s*$/.test(this);},
interpolate: function(object, pattern){
return new Template(this, pattern).evaluate(object);}
});if (Prototype.Browser.WebKit || Prototype.Browser.IE)Object.extend(String.prototype, {
escapeHTML: function(){
return this.replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;');},
unescapeHTML: function(){
return this.replace(/&amp;/g,'&').replace(/&lt;/g,'<').replace(/&gt;/g,'>');}
});String.prototype.gsub.prepareReplacement = function(replacement){
if (Object.isFunction(replacement))return replacement;var template = new Template(replacement);return function(match){ return template.evaluate(match)};};String.prototype.parseQuery = String.prototype.toQueryParams;Object.extend(String.prototype.escapeHTML, {
div:  document.createElement('div'),
text: document.createTextNode('')
});with (String.prototype.escapeHTML)div.appendChild(text);var Template = Class.create({
initialize: function(template, pattern){
this.template = template.toString();this.pattern = pattern || Template.Pattern;},
evaluate: function(object){
if (Object.isFunction(object.toTemplateReplacements))
object = object.toTemplateReplacements();return this.template.gsub(this.pattern, function(match){
if (object == null)return '';var before = match[1] || '';if (before == '\\')return match[2];var ctx = object, expr = match[3];var pattern = /^([^.[]+|\[((?:.*?[^\\])?)\])(\.|\[|$)/;match = pattern.exec(expr);if (match == null)return before;while (match != null){
var comp = match[1].startsWith('[')? match[2].gsub('\\\\]', ']'): match[1];ctx = ctx[comp];if (null == ctx || '' == match[3])break;expr = expr.substring('[' == match[3] ? match[1].length : match[0].length);match = pattern.exec(expr);}
return before + String.interpret(ctx);}.bind(this));}
});Template.Pattern = /(^|.|\r|\n)(#\{(.*?)\})/;var $break = { };var Enumerable = {
each: function(iterator, context){
var index = 0;iterator = iterator.bind(context);try {
this._each(function(value){
iterator(value, index++);});} catch (e){
if (e != $break)throw e;}
return this;},
eachSlice: function(number, iterator, context){
iterator = iterator ? iterator.bind(context): Prototype.K;var index = -number, slices = [], array = this.toArray();while ((index += number)< array.length)
slices.push(array.slice(index, index+number));return slices.collect(iterator, context);},
all: function(iterator, context){
iterator = iterator ? iterator.bind(context): Prototype.K;var result = true;this.each(function(value, index){
result = result && !!iterator(value, index);if (!result)throw $break;});return result;},
any: function(iterator, context){
iterator = iterator ? iterator.bind(context): Prototype.K;var result = false;this.each(function(value, index){
if (result = !!iterator(value, index))
throw $break;});return result;},
collect: function(iterator, context){
iterator = iterator ? iterator.bind(context): Prototype.K;var results = [];this.each(function(value, index){
results.push(iterator(value, index));});return results;},
detect: function(iterator, context){
iterator = iterator.bind(context);var result;this.each(function(value, index){
if (iterator(value, index)){
result = value;throw $break;}
});return result;},
findAll: function(iterator, context){
iterator = iterator.bind(context);var results = [];this.each(function(value, index){
if (iterator(value, index))
results.push(value);});return results;},
grep: function(filter, iterator, context){
iterator = iterator ? iterator.bind(context): Prototype.K;var results = [];if (Object.isString(filter))
filter = new RegExp(filter);this.each(function(value, index){
if (filter.match(value))
results.push(iterator(value, index));});return results;},
include: function(object){
if (Object.isFunction(this.indexOf))
if (this.indexOf(object)!= -1)return true;var found = false;this.each(function(value){
if (value == object){
found = true;throw $break;}
});return found;},
inGroupsOf: function(number, fillWith){
fillWith = Object.isUndefined(fillWith)? null : fillWith;return this.eachSlice(number, function(slice){
while(slice.length < number)slice.push(fillWith);return slice;});},
inject: function(memo, iterator, context){
iterator = iterator.bind(context);this.each(function(value, index){
memo = iterator(memo, value, index);});return memo;},
invoke: function(method){
var args = $A(arguments).slice(1);return this.map(function(value){
return value[method].apply(value, args);});},
max: function(iterator, context){
iterator = iterator ? iterator.bind(context): Prototype.K;var result;this.each(function(value, index){
value = iterator(value, index);if (result == null || value >= result)
result = value;});return result;},
min: function(iterator, context){
iterator = iterator ? iterator.bind(context): Prototype.K;var result;this.each(function(value, index){
value = iterator(value, index);if (result == null || value < result)
result = value;});return result;},
partition: function(iterator, context){
iterator = iterator ? iterator.bind(context): Prototype.K;var trues = [], falses = [];this.each(function(value, index){
(iterator(value, index)?
trues : falses).push(value);});return [trues, falses];},
pluck: function(property){
var results = [];this.each(function(value){
results.push(value[property]);});return results;},
reject: function(iterator, context){
iterator = iterator.bind(context);var results = [];this.each(function(value, index){
if (!iterator(value, index))
results.push(value);});return results;},
sortBy: function(iterator, context){
iterator = iterator.bind(context);return this.map(function(value, index){
return {value: value, criteria: iterator(value, index)};}).sort(function(left, right){
var a = left.criteria, b = right.criteria;return a < b ? -1 : a > b ? 1 : 0;}).pluck('value');},
toArray: function(){
return this.map();},
zip: function(){
var iterator = Prototype.K, args = $A(arguments);if (Object.isFunction(args.last()))
iterator = args.pop();var collections = [this].concat(args).map($A);return this.map(function(value, index){
return iterator(collections.pluck(index));});},
size: function(){
return this.toArray().length;},
inspect: function(){
return '#<Enumerable:' + this.toArray().inspect()+ '>';}
};Object.extend(Enumerable, {
map:     Enumerable.collect,
find:    Enumerable.detect,
select:  Enumerable.findAll,
filter:  Enumerable.findAll,
member:  Enumerable.include,
entries: Enumerable.toArray,
every:   Enumerable.all,
some:    Enumerable.any
});function $A(iterable){
if (!iterable)return [];if (iterable.toArray)return iterable.toArray();var length = iterable.length || 0, results = new Array(length);while (length--)results[length] = iterable[length];return results;}
if (Prototype.Browser.WebKit){
function $A(iterable){
if (!iterable)return [];if (!(Object.isFunction(iterable)&& iterable == '[object NodeList]')&&
iterable.toArray)return iterable.toArray();var length = iterable.length || 0, results = new Array(length);while (length--)results[length] = iterable[length];return results;}
}
Array.from = $A;Object.extend(Array.prototype, Enumerable);if (!Array.prototype._reverse)Array.prototype._reverse = Array.prototype.reverse;Object.extend(Array.prototype, {
_each: function(iterator){
for (var i = 0, length = this.length; i < length; i++)
iterator(this[i]);},
clear: function(){
this.length = 0;return this;},
first: function(){
return this[0];},
last: function(){
return this[this.length - 1];},
compact: function(){
return this.select(function(value){
return value != null;});},
flatten: function(){
return this.inject([], function(array, value){
return array.concat(Object.isArray(value)?
value.flatten(): [value]);});},
without: function(){
var values = $A(arguments);return this.select(function(value){
return !values.include(value);});},
reverse: function(inline){
return (inline !== false ? this : this.toArray())._reverse();},
reduce: function(){
return this.length > 1 ? this : this[0];},
uniq: function(sorted){
return this.inject([], function(array, value, index){
if (0 == index || (sorted ? array.last()!= value : !array.include(value)))
array.push(value);return array;});},
intersect: function(array){
return this.uniq().findAll(function(item){
return array.detect(function(value){ return item === value });});},
clone: function(){
return [].concat(this);},
size: function(){
return this.length;},
inspect: function(){
return '[' + this.map(Object.inspect).join(', ')+ ']';},
toJSON: function(){
var results = [];this.each(function(object){
var value = Object.toJSON(object);if (!Object.isUndefined(value))results.push(value);});return '[' + results.join(', ')+ ']';}
});if (Object.isFunction(Array.prototype.forEach))
Array.prototype._each = Array.prototype.forEach;if (!Array.prototype.indexOf)Array.prototype.indexOf = function(item, i){
i || (i = 0);var length = this.length;if (i < 0)i = length + i;for (; i < length; i++)
if (this[i] === item)return i;return -1;};if (!Array.prototype.lastIndexOf)Array.prototype.lastIndexOf = function(item, i){
i = isNaN(i)? this.length : (i < 0 ? this.length + i : i)+ 1;var n = this.slice(0, i).reverse().indexOf(item);return (n < 0)? n : i - n - 1;};Array.prototype.toArray = Array.prototype.clone;function $w(string){
if (!Object.isString(string))return [];string = string.strip();return string ? string.split(/\s+/): [];}
if (Prototype.Browser.Opera){
Array.prototype.concat = function(){
var array = [];for (var i = 0, length = this.length; i < length; i++)array.push(this[i]);for (var i = 0, length = arguments.length; i < length; i++){
if (Object.isArray(arguments[i])){
for (var j = 0, arrayLength = arguments[i].length; j < arrayLength; j++)
array.push(arguments[i][j]);} else {
array.push(arguments[i]);}
}
return array;};}
Object.extend(Number.prototype, {
toColorPart: function(){
return this.toPaddedString(2, 16);},
succ: function(){
return this + 1;},
times: function(iterator){
$R(0, this, true).each(iterator);return this;},
toPaddedString: function(length, radix){
var string = this.toString(radix || 10);return '0'.times(length - string.length)+ string;},
toJSON: function(){
return isFinite(this)? this.toString(): 'null';}
});$w('abs round ceil floor').each(function(method){
Number.prototype[method] = Math[method].methodize();});function $H(object){
return new Hash(object);};var Hash = Class.create(Enumerable, (function(){
function toQueryPair(key, value){
if (Object.isUndefined(value))return key;return key + '=' + encodeURIComponent(String.interpret(value));}
return {
initialize: function(object){
this._object = Object.isHash(object)? object.toObject(): Object.clone(object);},
_each: function(iterator){
for (var key in this._object){
var value = this._object[key], pair = [key, value];pair.key = key;pair.value = value;iterator(pair);}
},
set: function(key, value){
return this._object[key] = value;},
get: function(key){
return this._object[key];},
unset: function(key){
var value = this._object[key];delete this._object[key];return value;},
toObject: function(){
return Object.clone(this._object);},
keys: function(){
return this.pluck('key');},
values: function(){
return this.pluck('value');},
index: function(value){
var match = this.detect(function(pair){
return pair.value === value;});return match && match.key;},
merge: function(object){
return this.clone().update(object);},
update: function(object){
return new Hash(object).inject(this, function(result, pair){
result.set(pair.key, pair.value);return result;});},
toQueryString: function(){
return this.map(function(pair){
var key = encodeURIComponent(pair.key), values = pair.value;if (values && typeof values == 'object'){
if (Object.isArray(values))
return values.map(toQueryPair.curry(key)).join('&');}
return toQueryPair(key, values);}).join('&');},
inspect: function(){
return '#<Hash:{' + this.map(function(pair){
return pair.map(Object.inspect).join(': ');}).join(', ')+ '}>';},
toJSON: function(){
return Object.toJSON(this.toObject());},
clone: function(){
return new Hash(this);}
}
})());Hash.prototype.toTemplateReplacements = Hash.prototype.toObject;Hash.from = $H;var ObjectRange = Class.create(Enumerable, {
initialize: function(start, end, exclusive){
this.start = start;this.end = end;this.exclusive = exclusive;},
_each: function(iterator){
var value = this.start;while (this.include(value)){
iterator(value);value = value.succ();}
},
include: function(value){
if (value < this.start)
return false;if (this.exclusive)
return value < this.end;return value <= this.end;}
});var $R = function(start, end, exclusive){
return new ObjectRange(start, end, exclusive);};var Ajax = {
getTransport: function(){
return Try.these(
function(){return new XMLHttpRequest()},
function(){return new ActiveXObject('Msxml2.XMLHTTP')},
function(){return new ActiveXObject('Microsoft.XMLHTTP')}
)|| false;},
activeRequestCount: 0
};Ajax.Responders = {
responders: [],
_each: function(iterator){
this.responders._each(iterator);},
register: function(responder){
if (!this.include(responder))
this.responders.push(responder);},
unregister: function(responder){
this.responders = this.responders.without(responder);},
dispatch: function(callback, request, transport, json){
this.each(function(responder){
if (Object.isFunction(responder[callback])){
try {
responder[callback].apply(responder, [request, transport, json]);} catch (e){ }
}
});}
};Object.extend(Ajax.Responders, Enumerable);Ajax.Responders.register({
onCreate:   function(){ Ajax.activeRequestCount++ },
onComplete: function(){ Ajax.activeRequestCount-- }
});Ajax.Base = Class.create({
initialize: function(options){
this.options = {
method:       'post',
asynchronous: true,
contentType:  'application/x-www-form-urlencoded',
encoding:     'UTF-8',
parameters:   '',
evalJSON:     true,
evalJS:       true
};Object.extend(this.options, options || { });this.options.method = this.options.method.toLowerCase();if (Object.isString(this.options.parameters))
this.options.parameters = this.options.parameters.toQueryParams();else if (Object.isHash(this.options.parameters))
this.options.parameters = this.options.parameters.toObject();}
});Ajax.Request = Class.create(Ajax.Base, {
_complete: false,
initialize: function($super, url, options){
$super(options);this.transport = Ajax.getTransport();this.request(url);},
request: function(url){
this.url = url;this.method = this.options.method;var params = Object.clone(this.options.parameters);if (!['get', 'post'].include(this.method)){
params['_method'] = this.method;this.method = 'post';}
this.parameters = params;if (params = Object.toQueryString(params)){
if (this.method == 'get')
this.url += (this.url.include('?')? '&' : '?')+ params;else if (/Konqueror|Safari|KHTML/.test(navigator.userAgent))
params += '&_=';}
try {
var response = new Ajax.Response(this);if (this.options.onCreate)this.options.onCreate(response);Ajax.Responders.dispatch('onCreate', this, response);this.transport.open(this.method.toUpperCase(), this.url,
this.options.asynchronous);if (this.options.asynchronous)this.respondToReadyState.bind(this).defer(1);this.transport.onreadystatechange = this.onStateChange.bind(this);this.setRequestHeaders();this.body = this.method == 'post' ? (this.options.postBody || params): null;this.transport.send(this.body);/* Force Firefox to handle ready state 4 for synchronous requests */
if (!this.options.asynchronous && this.transport.overrideMimeType)
this.onStateChange();}
catch (e){
this.dispatchException(e);}
},
onStateChange: function(){
var readyState = this.transport.readyState;if (readyState > 1 && !((readyState == 4)&& this._complete))
this.respondToReadyState(this.transport.readyState);},
setRequestHeaders: function(){
var headers = {
'X-Requested-With': 'XMLHttpRequest',
'X-Prototype-Version': Prototype.Version,
'Accept': 'text/javascript, text/html, application/xml, text/xml, */*'
};if (this.method == 'post'){
headers['Content-type'] = this.options.contentType +
(this.options.encoding ? '; charset=' + this.options.encoding : '');/* Force "Connection: close" for older Mozilla browsers to work
* around a bug where XMLHttpRequest sends an incorrect
* Content-length header. See Mozilla Bugzilla #246651.
*/
if (this.transport.overrideMimeType &&
(navigator.userAgent.match(/Gecko\/(\d{4})/)|| [0,2005])[1] < 2005)
headers['Connection'] = 'close';}
if (typeof this.options.requestHeaders == 'object'){
var extras = this.options.requestHeaders;if (Object.isFunction(extras.push))
for (var i = 0, length = extras.length; i < length; i += 2)
headers[extras[i]] = extras[i+1];else
$H(extras).each(function(pair){ headers[pair.key] = pair.value });}
for (var name in headers)
this.transport.setRequestHeader(name, headers[name]);},
success: function(){
var status = this.getStatus();return !status || (status >= 200 && status < 300);},
getStatus: function(){
try {
return this.transport.status || 0;} catch (e){ return 0 }
},
respondToReadyState: function(readyState){
var state = Ajax.Request.Events[readyState], response = new Ajax.Response(this);if (state == 'Complete'){
try {
this._complete = true;(this.options['on' + response.status]
|| this.options['on' + (this.success()? 'Success' : 'Failure')]
|| Prototype.emptyFunction)(response, response.headerJSON);} catch (e){
this.dispatchException(e);}
var contentType = response.getHeader('Content-type');if (this.options.evalJS == 'force'
|| (this.options.evalJS && contentType
&& contentType.match(/^\s*(text|application)\/(x-)?(java|ecma)script(;.*)?\s*$/i)))
this.evalResponse();}
try {
(this.options['on' + state] || Prototype.emptyFunction)(response, response.headerJSON);Ajax.Responders.dispatch('on' + state, this, response, response.headerJSON);} catch (e){
this.dispatchException(e);}
if (state == 'Complete'){
this.transport.onreadystatechange = Prototype.emptyFunction;}
},
getHeader: function(name){
try {
return this.transport.getResponseHeader(name)|| null;} catch (e){ return null }
},
evalResponse: function(){
try {
return eval((this.transport.responseText || '').unfilterJSON());} catch (e){
this.dispatchException(e);}
},
dispatchException: function(exception){
(this.options.onException || Prototype.emptyFunction)(this, exception);Ajax.Responders.dispatch('onException', this, exception);}
});Ajax.Request.Events =
['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];Ajax.Response = Class.create({
initialize: function(request){
this.request = request;var transport  = this.transport  = request.transport,
readyState = this.readyState = transport.readyState;if((readyState > 2 && !Prototype.Browser.IE)|| readyState == 4){
this.status       = this.getStatus();this.statusText   = this.getStatusText();this.responseText = String.interpret(transport.responseText);this.headerJSON   = this._getHeaderJSON();}
if(readyState == 4){
var xml = transport.responseXML;this.responseXML  = Object.isUndefined(xml)? null : xml;this.responseJSON = this._getResponseJSON();}
},
status:      0,
statusText: '',
getStatus: Ajax.Request.prototype.getStatus,
getStatusText: function(){
try {
return this.transport.statusText || '';} catch (e){ return '' }
},
getHeader: Ajax.Request.prototype.getHeader,
getAllHeaders: function(){
try {
return this.getAllResponseHeaders();} catch (e){ return null }
},
getResponseHeader: function(name){
return this.transport.getResponseHeader(name);},
getAllResponseHeaders: function(){
return this.transport.getAllResponseHeaders();},
_getHeaderJSON: function(){
var json = this.getHeader('X-JSON');if (!json)return null;json = decodeURIComponent(escape(json));try {
return json.evalJSON(this.request.options.sanitizeJSON);} catch (e){
this.request.dispatchException(e);}
},
_getResponseJSON: function(){
var options = this.request.options;if (!options.evalJSON || (options.evalJSON != 'force' &&
!(this.getHeader('Content-type')|| '').include('application/json'))||
this.responseText.blank())
return null;try {
return this.responseText.evalJSON(options.sanitizeJSON);} catch (e){
this.request.dispatchException(e);}
}
});Ajax.Updater = Class.create(Ajax.Request, {
initialize: function($super, container, url, options){
this.container = {
success: (container.success || container),
failure: (container.failure || (container.success ? null : container))
};options = Object.clone(options);var onComplete = options.onComplete;options.onComplete = (function(response, json){
this.updateContent(response.responseText);if (Object.isFunction(onComplete))onComplete(response, json);}).bind(this);$super(url, options);},
updateContent: function(responseText){
var receiver = this.container[this.success()? 'success' : 'failure'],
options = this.options;if (!options.evalScripts)responseText = responseText.stripScripts();if (receiver = $(receiver)){
if (options.insertion){
if (Object.isString(options.insertion)){
var insertion = { }; insertion[options.insertion] = responseText;receiver.insert(insertion);}
else options.insertion(receiver, responseText);}
else receiver.update(responseText);}
}
});Ajax.PeriodicalUpdater = Class.create(Ajax.Base, {
initialize: function($super, container, url, options){
$super(options);this.onComplete = this.options.onComplete;this.frequency = (this.options.frequency || 2);this.decay = (this.options.decay || 1);this.updater = { };this.container = container;this.url = url;this.start();},
start: function(){
this.options.onComplete = this.updateComplete.bind(this);this.onTimerEvent();},
stop: function(){
this.updater.options.onComplete = undefined;clearTimeout(this.timer);(this.onComplete || Prototype.emptyFunction).apply(this, arguments);},
updateComplete: function(response){
if (this.options.decay){
this.decay = (response.responseText == this.lastText ?
this.decay * this.options.decay : 1);this.lastText = response.responseText;}
this.timer = this.onTimerEvent.bind(this).delay(this.decay * this.frequency);},
onTimerEvent: function(){
this.updater = new Ajax.Updater(this.container, this.url, this.options);}
});function $(element){
if (arguments.length > 1){
for (var i = 0, elements = [], length = arguments.length; i < length; i++)
elements.push($(arguments[i]));return elements;}
if (Object.isString(element))
element = document.getElementById(element);return Element.extend(element);}
if (Prototype.BrowserFeatures.XPath){
document._getElementsByXPath = function(expression, parentElement){
var results = [];var query = document.evaluate(expression, $(parentElement)|| document,
null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);for (var i = 0, length = query.snapshotLength; i < length; i++)
results.push(Element.extend(query.snapshotItem(i)));return results;};}
/*--------------------------------------------------------------------------*/
if (!window.Node)var Node = { };if (!Node.ELEMENT_NODE){
Object.extend(Node, {
ELEMENT_NODE: 1,
ATTRIBUTE_NODE: 2,
TEXT_NODE: 3,
CDATA_SECTION_NODE: 4,
ENTITY_REFERENCE_NODE: 5,
ENTITY_NODE: 6,
PROCESSING_INSTRUCTION_NODE: 7,
COMMENT_NODE: 8,
DOCUMENT_NODE: 9,
DOCUMENT_TYPE_NODE: 10,
DOCUMENT_FRAGMENT_NODE: 11,
NOTATION_NODE: 12
});}
(function(){
var element = this.Element;this.Element = function(tagName, attributes){
attributes = attributes || { };tagName = tagName.toLowerCase();var cache = Element.cache;if (Prototype.Browser.IE && attributes.name){
tagName = '<' + tagName + ' name="'+attributes.name+'">';delete attributes.name;return Element.writeAttribute(document.createElement(tagName), attributes);}
if (!cache[tagName])cache[tagName] = Element.extend(document.createElement(tagName));return Element.writeAttribute(cache[tagName].cloneNode(false), attributes);};Object.extend(this.Element, element || { });}).call(window);Element.cache = { };Element.Methods = {
visible: function(element){
return $(element).style.display != 'none';},
toggle: function(element){
element = $(element);Element[Element.visible(element)? 'hide' : 'show'](element);return element;},
hide: function(element){
$(element).style.display = 'none';return element;},
show: function(element){
$(element).style.display = '';return element;},
remove: function(element){
element = $(element);element.parentNode.removeChild(element);return element;},
update: function(element, content){
element = $(element);if (content && content.toElement)content = content.toElement();if (Object.isElement(content))return element.update().insert(content);content = Object.toHTML(content);element.innerHTML = content.stripScripts();content.evalScripts.bind(content).defer();return element;},
replace: function(element, content){
element = $(element);if (content && content.toElement)content = content.toElement();else if (!Object.isElement(content)){
content = Object.toHTML(content);var range = element.ownerDocument.createRange();range.selectNode(element);content.evalScripts.bind(content).defer();content = range.createContextualFragment(content.stripScripts());}
element.parentNode.replaceChild(content, element);return element;},
insert: function(element, insertions){
element = $(element);if (Object.isString(insertions)|| Object.isNumber(insertions)||
Object.isElement(insertions)|| (insertions && (insertions.toElement || insertions.toHTML)))
insertions = {bottom:insertions};var content, insert, tagName, childNodes;for (position in insertions){
content  = insertions[position];position = position.toLowerCase();insert = Element._insertionTranslations[position];if (content && content.toElement)content = content.toElement();if (Object.isElement(content)){
insert(element, content);continue;}
content = Object.toHTML(content);tagName = ((position == 'before' || position == 'after')
? element.parentNode : element).tagName.toUpperCase();childNodes = Element._getContentFromAnonymousElement(tagName, content.stripScripts());if (position == 'top' || position == 'after')childNodes.reverse();childNodes.each(insert.curry(element));content.evalScripts.bind(content).defer();}
return element;},
wrap: function(element, wrapper, attributes){
element = $(element);if (Object.isElement(wrapper))
$(wrapper).writeAttribute(attributes || { });else if (Object.isString(wrapper))wrapper = new Element(wrapper, attributes);else wrapper = new Element('div', wrapper);if (element.parentNode)
element.parentNode.replaceChild(wrapper, element);wrapper.appendChild(element);return wrapper;},
inspect: function(element){
element = $(element);var result = '<' + element.tagName.toLowerCase();$H({'id': 'id', 'className': 'class'}).each(function(pair){
var property = pair.first(), attribute = pair.last();var value = (element[property] || '').toString();if (value)result += ' ' + attribute + '=' + value.inspect(true);});return result + '>';},
recursivelyCollect: function(element, property){
element = $(element);var elements = [];while (element = element[property])
if (element.nodeType == 1)
elements.push(Element.extend(element));return elements;},
ancestors: function(element){
return $(element).recursivelyCollect('parentNode');},
descendants: function(element){
return $(element).getElementsBySelector("*");},
firstDescendant: function(element){
element = $(element).firstChild;while (element && element.nodeType != 1)element = element.nextSibling;return $(element);},
immediateDescendants: function(element){
if (!(element = $(element).firstChild))return [];while (element && element.nodeType != 1)element = element.nextSibling;if (element)return [element].concat($(element).nextSiblings());return [];},
previousSiblings: function(element){
return $(element).recursivelyCollect('previousSibling');},
nextSiblings: function(element){
return $(element).recursivelyCollect('nextSibling');},
siblings: function(element){
element = $(element);return element.previousSiblings().reverse().concat(element.nextSiblings());},
match: function(element, selector){
if (Object.isString(selector))
selector = new Selector(selector);return selector.match($(element));},
up: function(element, expression, index){
element = $(element);if (arguments.length == 1)return $(element.parentNode);var ancestors = element.ancestors();return Object.isNumber(expression)? ancestors[expression] :
Selector.findElement(ancestors, expression, index);},
down: function(element, expression, index){
element = $(element);if (arguments.length == 1)return element.firstDescendant();return Object.isNumber(expression)? element.descendants()[expression] :
element.select(expression)[index || 0];},
previous: function(element, expression, index){
element = $(element);if (arguments.length == 1)return $(Selector.handlers.previousElementSibling(element));var previousSiblings = element.previousSiblings();return Object.isNumber(expression)? previousSiblings[expression] :
Selector.findElement(previousSiblings, expression, index);},
next: function(element, expression, index){
element = $(element);if (arguments.length == 1)return $(Selector.handlers.nextElementSibling(element));var nextSiblings = element.nextSiblings();return Object.isNumber(expression)? nextSiblings[expression] :
Selector.findElement(nextSiblings, expression, index);},
select: function(){
var args = $A(arguments), element = $(args.shift());return Selector.findChildElements(element, args);},
adjacent: function(){
var args = $A(arguments), element = $(args.shift());return Selector.findChildElements(element.parentNode, args).without(element);},
identify: function(element){
element = $(element);var id = element.readAttribute('id'), self = arguments.callee;if (id)return id;do { id = 'anonymous_element_' + self.counter++ } while ($(id));element.writeAttribute('id', id);return id;},
readAttribute: function(element, name){
element = $(element);if (Prototype.Browser.IE){
var t = Element._attributeTranslations.read;if (t.values[name])return t.values[name](element, name);if (t.names[name])name = t.names[name];if (name.include(':')){
return (!element.attributes || !element.attributes[name])? null :
element.attributes[name].value;}
}
return element.getAttribute(name);},
writeAttribute: function(element, name, value){
element = $(element);var attributes = { }, t = Element._attributeTranslations.write;if (typeof name == 'object')attributes = name;else attributes[name] = Object.isUndefined(value)? true : value;for (var attr in attributes){
name = t.names[attr] || attr;value = attributes[attr];if (t.values[attr])name = t.values[attr](element, value);if (value === false || value === null)
element.removeAttribute(name);else if (value === true)
element.setAttribute(name, name);else element.setAttribute(name, value);}
return element;},
getHeight: function(element){
return $(element).getDimensions().height;},
getWidth: function(element){
return $(element).getDimensions().width;},
classNames: function(element){
return new Element.ClassNames(element);},
hasClassName: function(element, className){
if (!(element = $(element)))return;var elementClassName = element.className;return (elementClassName.length > 0 && (elementClassName == className ||
new RegExp("(^|\\s)" + className + "(\\s|$)").test(elementClassName)));},
addClassName: function(element, className){
if (!(element = $(element)))return;if (!element.hasClassName(className))
element.className += (element.className ? ' ' : '')+ className;return element;},
removeClassName: function(element, className){
if (!(element = $(element)))return;element.className = element.className.replace(
new RegExp("(^|\\s+)" + className + "(\\s+|$)"), ' ').strip();return element;},
toggleClassName: function(element, className){
if (!(element = $(element)))return;return element[element.hasClassName(className)?
'removeClassName' : 'addClassName'](className);},
cleanWhitespace: function(element){
element = $(element);var node = element.firstChild;while (node){
var nextNode = node.nextSibling;if (node.nodeType == 3 && !/\S/.test(node.nodeValue))
element.removeChild(node);node = nextNode;}
return element;},
empty: function(element){
return $(element).innerHTML.blank();},
descendantOf: function(element, ancestor){
element = $(element), ancestor = $(ancestor);var originalAncestor = ancestor;if (element.compareDocumentPosition)
return (element.compareDocumentPosition(ancestor)& 8)=== 8;if (element.sourceIndex && !Prototype.Browser.Opera){
var e = element.sourceIndex, a = ancestor.sourceIndex,
nextAncestor = ancestor.nextSibling;if (!nextAncestor){
do { ancestor = ancestor.parentNode; }
while (!(nextAncestor = ancestor.nextSibling)&& ancestor.parentNode);}
if (nextAncestor)return (e > a && e < nextAncestor.sourceIndex);}
while (element = element.parentNode)
if (element == originalAncestor)return true;return false;},
scrollTo: function(element){
element = $(element);var pos = element.cumulativeOffset();window.scrollTo(pos[0], pos[1]);return element;},
getStyle: function(element, style){
element = $(element);style = style == 'float' ? 'cssFloat' : style.camelize();var value = element.style[style];if (!value){
var css = document.defaultView.getComputedStyle(element, null);value = css ? css[style] : null;}
if (style == 'opacity')return value ? parseFloat(value): 1.0;return value == 'auto' ? null : value;},
getOpacity: function(element){
return $(element).getStyle('opacity');},
setStyle: function(element, styles){
element = $(element);var elementStyle = element.style, match;if (Object.isString(styles)){
element.style.cssText += ';' + styles;return styles.include('opacity')?
element.setOpacity(styles.match(/opacity:\s*(\d?\.?\d*)/)[1]): element;}
for (var property in styles)
if (property == 'opacity')element.setOpacity(styles[property]);else
elementStyle[(property == 'float' || property == 'cssFloat')?
(Object.isUndefined(elementStyle.styleFloat)? 'cssFloat' : 'styleFloat'):
property] = styles[property];return element;},
setOpacity: function(element, value){
element = $(element);element.style.opacity = (value == 1 || value === '')? '' :
(value < 0.00001)? 0 : value;return element;},
getDimensions: function(element){
element = $(element);var display = $(element).getStyle('display');if (display != 'none' && display != null)// Safari bug
return {width: element.offsetWidth, height: element.offsetHeight};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.getStyle(element, 'overflow')|| 'auto';if (element._overflow !== 'hidden')
element.style.overflow = 'hidden';return element;},
undoClipping: function(element){
element = $(element);if (!element._overflow)return element;element.style.overflow = element._overflow == 'auto' ? '' : element._overflow;element._overflow = null;return element;},
cumulativeOffset: function(element){
var valueT = 0, valueL = 0;do {
valueT += element.offsetTop  || 0;valueL += element.offsetLeft || 0;element = element.offsetParent;} while (element);return Element._returnOffset(valueL, valueT);},
positionedOffset: function(element){
var valueT = 0, valueL = 0;do {
valueT += element.offsetTop  || 0;valueL += element.offsetLeft || 0;element = element.offsetParent;if (element){
if (element.tagName == 'BODY')break;var p = Element.getStyle(element, 'position');if (p == 'relative' || p == 'absolute')break;}
} while (element);return Element._returnOffset(valueL, valueT);},
absolutize: function(element){
element = $(element);if (element.getStyle('position')== 'absolute')return;var offsets = element.positionedOffset();var top     = offsets[1];var left    = offsets[0];var width   = element.clientWidth;var height  = element.clientHeight;element._originalLeft   = left - parseFloat(element.style.left  || 0);element._originalTop    = top  - parseFloat(element.style.top || 0);element._originalWidth  = element.style.width;element._originalHeight = element.style.height;element.style.position = 'absolute';element.style.top    = top + 'px';element.style.left   = left + 'px';element.style.width  = width + 'px';element.style.height = height + 'px';return element;},
relativize: function(element){
element = $(element);if (element.getStyle('position')== 'relative')return;element.style.position = 'relative';var top  = parseFloat(element.style.top  || 0)- (element._originalTop || 0);var left = parseFloat(element.style.left || 0)- (element._originalLeft || 0);element.style.top    = top + 'px';element.style.left   = left + 'px';element.style.height = element._originalHeight;element.style.width  = element._originalWidth;return element;},
cumulativeScrollOffset: function(element){
var valueT = 0, valueL = 0;do {
valueT += element.scrollTop  || 0;valueL += element.scrollLeft || 0;element = element.parentNode;} while (element);return Element._returnOffset(valueL, valueT);},
getOffsetParent: function(element){
if (element.offsetParent)return $(element.offsetParent);if (element == document.body)return $(element);while ((element = element.parentNode)&& element != document.body)
if (Element.getStyle(element, 'position')!= 'static')
return $(element);return $(document.body);},
viewportOffset: function(forElement){
var valueT = 0, valueL = 0;var element = forElement;do {
valueT += element.offsetTop  || 0;valueL += element.offsetLeft || 0;if (element.offsetParent == document.body &&
Element.getStyle(element, 'position')== 'absolute')break;} while (element = element.offsetParent);element = forElement;do {
if (!Prototype.Browser.Opera || element.tagName == 'BODY'){
valueT -= element.scrollTop  || 0;valueL -= element.scrollLeft || 0;}
} while (element = element.parentNode);return Element._returnOffset(valueL, valueT);},
clonePosition: function(element, source){
var options = Object.extend({
setLeft:    true,
setTop:     true,
setWidth:   true,
setHeight:  true,
offsetTop:  0,
offsetLeft: 0
}, arguments[2] || { });source = $(source);var p = source.viewportOffset();element = $(element);var delta = [0, 0];var parent = null;if (Element.getStyle(element, 'position')== 'absolute'){
parent = element.getOffsetParent();delta = parent.viewportOffset();}
if (parent == document.body){
delta[0] -= document.body.offsetLeft;delta[1] -= document.body.offsetTop;}
if (options.setLeft)element.style.left  = (p[0] - delta[0] + options.offsetLeft)+ 'px';if (options.setTop)element.style.top   = (p[1] - delta[1] + options.offsetTop)+ 'px';if (options.setWidth)element.style.width = source.offsetWidth + 'px';if (options.setHeight)element.style.height = source.offsetHeight + 'px';return element;}
};Element.Methods.identify.counter = 1;Object.extend(Element.Methods, {
getElementsBySelector: Element.Methods.select,
childElements: Element.Methods.immediateDescendants
});Element._attributeTranslations = {
write: {
names: {
className: 'class',
htmlFor:   'for'
},
values: { }
}
};if (Prototype.Browser.Opera){
Element.Methods.getStyle = Element.Methods.getStyle.wrap(
function(proceed, element, style){
switch (style){
case 'left': case 'top': case 'right': case 'bottom':
if (proceed(element, 'position')=== 'static')return null;case 'height': case 'width':
if (!Element.visible(element))return null;var dim = parseInt(proceed(element, style), 10);if (dim !== element['offset' + style.capitalize()])
return dim + 'px';var properties;if (style === 'height'){
properties = ['border-top-width', 'padding-top',
'padding-bottom', 'border-bottom-width'];}
else {
properties = ['border-left-width', 'padding-left',
'padding-right', 'border-right-width'];}
return properties.inject(dim, function(memo, property){
var val = proceed(element, property);return val === null ? memo : memo - parseInt(val, 10);})+ 'px';default: return proceed(element, style);}
}
);Element.Methods.readAttribute = Element.Methods.readAttribute.wrap(
function(proceed, element, attribute){
if (attribute === 'title')return element.title;return proceed(element, attribute);}
);}
else if (Prototype.Browser.IE){
$w('positionedOffset getOffsetParent viewportOffset').each(function(method){
Element.Methods[method] = Element.Methods[method].wrap(
function(proceed, element){
element = $(element);var position = element.getStyle('position');if (position != 'static')return proceed(element);element.setStyle({ position: 'relative' });var value = proceed(element);element.setStyle({ position: position });return value;}
);});Element.Methods.getStyle = function(element, style){
element = $(element);style = (style == 'float' || style == 'cssFloat')? 'styleFloat' : style.camelize();var value = element.style[style];if (!value && element.currentStyle)value = element.currentStyle[style];if (style == 'opacity'){
if (value = (element.getStyle('filter')|| '').match(/alpha\(opacity=(.*)\)/))
if (value[1])return parseFloat(value[1])/ 100;return 1.0;}
if (value == 'auto'){
if ((style == 'width' || style == 'height')&& (element.getStyle('display')!= 'none'))
return element['offset' + style.capitalize()] + 'px';return null;}
return value;};Element.Methods.setOpacity = function(element, value){
function stripAlpha(filter){
return filter.replace(/alpha\([^\)]*\)/gi,'');}
element = $(element);var currentStyle = element.currentStyle;if ((currentStyle && !currentStyle.hasLayout)||
(!currentStyle && element.style.zoom == 'normal'))
element.style.zoom = 1;var filter = element.getStyle('filter'), style = element.style;if (value == 1 || value === ''){
(filter = stripAlpha(filter))?
style.filter = filter : style.removeAttribute('filter');return element;} else if (value < 0.00001)value = 0;style.filter = stripAlpha(filter)+
'alpha(opacity=' + (value * 100)+ ')';return element;};Element._attributeTranslations = {
read: {
names: {
'class': 'className',
'for':   'htmlFor'
},
values: {
_getAttr: function(element, attribute){
return element.getAttribute(attribute, 2);},
_getAttrNode: function(element, attribute){
var node = element.getAttributeNode(attribute);return node ? node.value : "";},
_getEv: function(element, attribute){
attribute = element.getAttribute(attribute);return attribute ? attribute.toString().slice(23, -2): null;},
_flag: function(element, attribute){
return $(element).hasAttribute(attribute)? attribute : null;},
style: function(element){
return element.style.cssText.toLowerCase();},
title: function(element){
return element.title;}
}
}
};Element._attributeTranslations.write = {
names: Object.clone(Element._attributeTranslations.read.names),
values: {
checked: function(element, value){
element.checked = !!value;},
style: function(element, value){
element.style.cssText = value ? value : '';}
}
};Element._attributeTranslations.has = {};$w('colSpan rowSpan vAlign dateTime accessKey tabIndex ' +
'encType maxLength readOnly longDesc').each(function(attr){
Element._attributeTranslations.write.names[attr.toLowerCase()] = attr;Element._attributeTranslations.has[attr.toLowerCase()] = attr;});(function(v){
Object.extend(v, {
href:        v._getAttr,
src:         v._getAttr,
type:        v._getAttr,
action:      v._getAttrNode,
disabled:    v._flag,
checked:     v._flag,
readonly:    v._flag,
multiple:    v._flag,
onload:      v._getEv,
onunload:    v._getEv,
onclick:     v._getEv,
ondblclick:  v._getEv,
onmousedown: v._getEv,
onmouseup:   v._getEv,
onmouseover: v._getEv,
onmousemove: v._getEv,
onmouseout:  v._getEv,
onfocus:     v._getEv,
onblur:      v._getEv,
onkeypress:  v._getEv,
onkeydown:   v._getEv,
onkeyup:     v._getEv,
onsubmit:    v._getEv,
onreset:     v._getEv,
onselect:    v._getEv,
onchange:    v._getEv
});})(Element._attributeTranslations.read.values);}
else if (Prototype.Browser.Gecko && /rv:1\.8\.0/.test(navigator.userAgent)){
Element.Methods.setOpacity = function(element, value){
element = $(element);element.style.opacity = (value == 1)? 0.999999 :
(value === '')? '' : (value < 0.00001)? 0 : value;return element;};}
else if (Prototype.Browser.WebKit){
Element.Methods.setOpacity = function(element, value){
element = $(element);element.style.opacity = (value == 1 || value === '')? '' :
(value < 0.00001)? 0 : value;if (value == 1)
if(element.tagName == 'IMG' && element.width){
element.width++; element.width--;} else try {
var n = document.createTextNode(' ');element.appendChild(n);element.removeChild(n);} catch (e){ }
return element;};Element.Methods.cumulativeOffset = function(element){
var valueT = 0, valueL = 0;do {
valueT += element.offsetTop  || 0;valueL += element.offsetLeft || 0;if (element.offsetParent == document.body)
if (Element.getStyle(element, 'position')== 'absolute')break;element = element.offsetParent;} while (element);return Element._returnOffset(valueL, valueT);};}
if (Prototype.Browser.IE || Prototype.Browser.Opera){
Element.Methods.update = function(element, content){
element = $(element);if (content && content.toElement)content = content.toElement();if (Object.isElement(content))return element.update().insert(content);content = Object.toHTML(content);var tagName = element.tagName.toUpperCase();if (tagName in Element._insertionTranslations.tags){
$A(element.childNodes).each(function(node){ element.removeChild(node)});Element._getContentFromAnonymousElement(tagName, content.stripScripts())
.each(function(node){ element.appendChild(node)});}
else element.innerHTML = content.stripScripts();content.evalScripts.bind(content).defer();return element;};}
if (document.createElement('div').outerHTML){
Element.Methods.replace = function(element, content){
element = $(element);if (content && content.toElement)content = content.toElement();if (Object.isElement(content)){
element.parentNode.replaceChild(content, element);return element;}
content = Object.toHTML(content);var parent = element.parentNode, tagName = parent.tagName.toUpperCase();if (Element._insertionTranslations.tags[tagName]){
var nextSibling = element.next();var fragments = Element._getContentFromAnonymousElement(tagName, content.stripScripts());parent.removeChild(element);if (nextSibling)
fragments.each(function(node){ parent.insertBefore(node, nextSibling)});else
fragments.each(function(node){ parent.appendChild(node)});}
else element.outerHTML = content.stripScripts();content.evalScripts.bind(content).defer();return element;};}
Element._returnOffset = function(l, t){
var result = [l, t];result.left = l;result.top = t;return result;};Element._getContentFromAnonymousElement = function(tagName, html){
var div = new Element('div'), t = Element._insertionTranslations.tags[tagName];if (t){
div.innerHTML = t[0] + html + t[1];t[2].times(function(){ div = div.firstChild });} else div.innerHTML = html;return $A(div.childNodes);};Element._insertionTranslations = {
before: function(element, node){
element.parentNode.insertBefore(node, element);},
top: function(element, node){
element.insertBefore(node, element.firstChild);},
bottom: function(element, node){
element.appendChild(node);},
after: function(element, node){
element.parentNode.insertBefore(node, element.nextSibling);},
tags: {
TABLE:  ['<table>',                '</table>',                   1],
TBODY:  ['<table><tbody>',         '</tbody></table>',           2],
TR:     ['<table><tbody><tr>',     '</tr></tbody></table>',      3],
TD:     ['<table><tbody><tr><td>', '</td></tr></tbody></table>', 4],
SELECT: ['<select>',               '</select>',                  1]
}
};(function(){
Object.extend(this.tags, {
THEAD: this.tags.TBODY,
TFOOT: this.tags.TBODY,
TH:    this.tags.TD
});}).call(Element._insertionTranslations);Element.Methods.Simulated = {
hasAttribute: function(element, attribute){
attribute = Element._attributeTranslations.has[attribute] || attribute;var node = $(element).getAttributeNode(attribute);return node && node.specified;}
};Element.Methods.ByTag = { };Object.extend(Element, Element.Methods);if (!Prototype.BrowserFeatures.ElementExtensions &&
document.createElement('div').__proto__){
window.HTMLElement = { };window.HTMLElement.prototype = document.createElement('div').__proto__;Prototype.BrowserFeatures.ElementExtensions = true;}
Element.extend = (function(){
if (Prototype.BrowserFeatures.SpecificElementExtensions)
return Prototype.K;var Methods = { }, ByTag = Element.Methods.ByTag;var extend = Object.extend(function(element){
if (!element || element._extendedByPrototype ||
element.nodeType != 1 || element == window)return element;var methods = Object.clone(Methods),
tagName = element.tagName, property, value;if (ByTag[tagName])Object.extend(methods, ByTag[tagName]);for (property in methods){
value = methods[property];if (Object.isFunction(value)&& !(property in element))
element[property] = value.methodize();}
element._extendedByPrototype = Prototype.emptyFunction;return element;}, {
refresh: function(){
if (!Prototype.BrowserFeatures.ElementExtensions){
Object.extend(Methods, Element.Methods);Object.extend(Methods, Element.Methods.Simulated);}
}
});extend.refresh();return extend;})();Element.hasAttribute = function(element, attribute){
if (element.hasAttribute)return element.hasAttribute(attribute);return Element.Methods.Simulated.hasAttribute(element, attribute);};Element.addMethods = function(methods){
var F = Prototype.BrowserFeatures, T = Element.Methods.ByTag;if (!methods){
Object.extend(Form, Form.Methods);Object.extend(Form.Element, Form.Element.Methods);Object.extend(Element.Methods.ByTag, {
"FORM":     Object.clone(Form.Methods),
"INPUT":    Object.clone(Form.Element.Methods),
"SELECT":   Object.clone(Form.Element.Methods),
"TEXTAREA": Object.clone(Form.Element.Methods)
});}
if (arguments.length == 2){
var tagName = methods;methods = arguments[1];}
if (!tagName)Object.extend(Element.Methods, methods || { });else {
if (Object.isArray(tagName))tagName.each(extend);else extend(tagName);}
function extend(tagName){
tagName = tagName.toUpperCase();if (!Element.Methods.ByTag[tagName])
Element.Methods.ByTag[tagName] = { };Object.extend(Element.Methods.ByTag[tagName], methods);}
function copy(methods, destination, onlyIfAbsent){
onlyIfAbsent = onlyIfAbsent || false;for (var property in methods){
var value = methods[property];if (!Object.isFunction(value))continue;if (!onlyIfAbsent || !(property in destination))
destination[property] = value.methodize();}
}
function findDOMClass(tagName){
var klass;var trans = {
"OPTGROUP": "OptGroup", "TEXTAREA": "TextArea", "P": "Paragraph",
"FIELDSET": "FieldSet", "UL": "UList", "OL": "OList", "DL": "DList",
"DIR": "Directory", "H1": "Heading", "H2": "Heading", "H3": "Heading",
"H4": "Heading", "H5": "Heading", "H6": "Heading", "Q": "Quote",
"INS": "Mod", "DEL": "Mod", "A": "Anchor", "IMG": "Image", "CAPTION":
"TableCaption", "COL": "TableCol", "COLGROUP": "TableCol", "THEAD":
"TableSection", "TFOOT": "TableSection", "TBODY": "TableSection", "TR":
"TableRow", "TH": "TableCell", "TD": "TableCell", "FRAMESET":
"FrameSet", "IFRAME": "IFrame"
};if (trans[tagName])klass = 'HTML' + trans[tagName] + 'Element';if (window[klass])return window[klass];klass = 'HTML' + tagName + 'Element';if (window[klass])return window[klass];klass = 'HTML' + tagName.capitalize()+ 'Element';if (window[klass])return window[klass];window[klass] = { };window[klass].prototype = document.createElement(tagName).__proto__;return window[klass];}
if (F.ElementExtensions){
copy(Element.Methods, HTMLElement.prototype);copy(Element.Methods.Simulated, HTMLElement.prototype, true);}
if (F.SpecificElementExtensions){
for (var tag in Element.Methods.ByTag){
var klass = findDOMClass(tag);if (Object.isUndefined(klass))continue;copy(T[tag], klass.prototype);}
}
Object.extend(Element, Element.Methods);delete Element.ByTag;if (Element.extend.refresh)Element.extend.refresh();Element.cache = { };};document.viewport = {
getDimensions: function(){
var dimensions = { };var B = Prototype.Browser;$w('width height').each(function(d){
var D = d.capitalize();dimensions[d] = (B.WebKit && !document.evaluate)? self['inner' + D] :
(B.Opera)? document.body['client' + D] : document.documentElement['client' + D];});return dimensions;},
getWidth: function(){
return this.getDimensions().width;},
getHeight: function(){
return this.getDimensions().height;},
getScrollOffsets: function(){
return Element._returnOffset(
window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft,
window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop);}
};/* Portions of the Selector class are derived from Jack Slocum’s DomQuery,
* part of YUI-Ext version 0.40, distributed under the terms of an MIT-style
* license.  Please see http:
var Selector = Class.create({
initialize: function(expression){
this.expression = expression.strip();this.compileMatcher();},
shouldUseXPath: function(){
if (!Prototype.BrowserFeatures.XPath)return false;var e = this.expression;if (Prototype.Browser.WebKit &&
(e.include("-of-type")|| e.include(":empty")))
return false;if ((/(\[[\w-]*?:|:checked)/).test(this.expression))
return false;return true;},
compileMatcher: function(){
if (this.shouldUseXPath())
return this.compileXPathMatcher();var e = this.expression, ps = Selector.patterns, h = Selector.handlers,
c = Selector.criteria, le, p, m;if (Selector._cache[e]){
this.matcher = Selector._cache[e];return;}
this.matcher = ["this.matcher=function(root){",
"var r=root,h=Selector.handlers,c=false,n;"];while (e && le != e && (/\S/).test(e)){
le = e;for (var i in ps){
p = ps[i];if (m = e.match(p)){
this.matcher.push(Object.isFunction(c[i])? c[i](m):
new Template(c[i]).evaluate(m));e = e.replace(m[0], '');break;}
}
}
this.matcher.push("return h.unique(n);\n}");eval(this.matcher.join('\n'));Selector._cache[this.expression] = this.matcher;},
compileXPathMatcher: function(){
var e = this.expression, ps = Selector.patterns,
x = Selector.xpath, le, m;if (Selector._cache[e]){
this.xpath = Selector._cache[e]; return;}
this.matcher = ['.//*'];while (e && le != e && (/\S/).test(e)){
le = e;for (var i in ps){
if (m = e.match(ps[i])){
this.matcher.push(Object.isFunction(x[i])? x[i](m):
new Template(x[i]).evaluate(m));e = e.replace(m[0], '');break;}
}
}
this.xpath = this.matcher.join('');Selector._cache[this.expression] = this.xpath;},
findElements: function(root){
root = root || document;if (this.xpath)return document._getElementsByXPath(this.xpath, root);return this.matcher(root);},
match: function(element){
this.tokens = [];var e = this.expression, ps = Selector.patterns, as = Selector.assertions;var le, p, m;while (e && le !== e && (/\S/).test(e)){
le = e;for (var i in ps){
p = ps[i];if (m = e.match(p)){
if (as[i]){
this.tokens.push([i, Object.clone(m)]);e = e.replace(m[0], '');} else {
return this.findElements(document).include(element);}
}
}
}
var match = true, name, matches;for (var i = 0, token; token = this.tokens[i]; i++){
name = token[0], matches = token[1];if (!Selector.assertions[name](element, matches)){
match = false; break;}
}
return match;},
toString: function(){
return this.expression;},
inspect: function(){
return "#<Selector:" + this.expression.inspect()+ ">";}
});Object.extend(Selector, {
_cache: { },
xpath: {
descendant:   "//*",
child:        "/*",
adjacent:     "/following-sibling::*[1]",
laterSibling: '/following-sibling::*',
tagName:      function(m){
if (m[1] == '*')return '';return "[local-name()='" + m[1].toLowerCase()+
"' or local-name()='" + m[1].toUpperCase()+ "']";},
className:    "[contains(concat(' ',@class,' '),' #{1} ')]",
id:           "[@id='#{1}']",
attrPresence: function(m){
m[1] = m[1].toLowerCase();return new Template("[@#{1}]").evaluate(m);},
attr: function(m){
m[1] = m[1].toLowerCase();m[3] = m[5] || m[6];return new Template(Selector.xpath.operators[m[2]]).evaluate(m);},
pseudo: function(m){
var h = Selector.xpath.pseudos[m[1]];if (!h)return '';if (Object.isFunction(h))return h(m);return new Template(Selector.xpath.pseudos[m[1]]).evaluate(m);},
operators: {
'=':  "[@#{1}='#{3}']",
'!=': "[@#{1}!='#{3}']",
'^=': "[starts-with(@#{1},'#{3}')]",
'$=': "[substring(@#{1},(string-length(@#{1})- string-length('#{3}')+1))='#{3}']",
'*=': "[contains(@#{1},'#{3}')]",
'~=': "[contains(concat(' ',@#{1},' '),' #{3} ')]",
'|=': "[contains(concat('-',@#{1},'-'),'-#{3}-')]"
},
pseudos: {
'first-child': '[not(preceding-sibling::*)]',
'last-child':  '[not(following-sibling::*)]',
'only-child':  '[not(preceding-sibling::* or following-sibling::*)]',
'empty':       "[count(*)=0 and(count(text())=0 or translate(text(),' \t\r\n','')='')]",
'checked':     "[@checked]",
'disabled':    "[@disabled]",
'enabled':     "[not(@disabled)]",
'not': function(m){
var e = m[6], p = Selector.patterns,
x = Selector.xpath, le, v;var exclusion = [];while (e && le != e && (/\S/).test(e)){
le = e;for (var i in p){
if (m = e.match(p[i])){
v = Object.isFunction(x[i])? x[i](m): new Template(x[i]).evaluate(m);exclusion.push("(" + v.substring(1, v.length - 1)+ ")");e = e.replace(m[0], '');break;}
}
}
return "[not(" + exclusion.join(" and ")+ ")]";},
'nth-child':      function(m){
return Selector.xpath.pseudos.nth("(count(./preceding-sibling::*)+1)", m);},
'nth-last-child': function(m){
return Selector.xpath.pseudos.nth("(count(./following-sibling::*)+1)", m);},
'nth-of-type':    function(m){
return Selector.xpath.pseudos.nth("position()", m);},
'nth-last-of-type': function(m){
return Selector.xpath.pseudos.nth("(last()+1- position())", m);},
'first-of-type':  function(m){
m[6] = "1"; return Selector.xpath.pseudos['nth-of-type'](m);},
'last-of-type':   function(m){
m[6] = "1"; return Selector.xpath.pseudos['nth-last-of-type'](m);},
'only-of-type':   function(m){
var p = Selector.xpath.pseudos; return p['first-of-type'](m)+ p['last-of-type'](m);},
nth: function(fragment, m){
var mm, formula = m[6], predicate;if (formula == 'even')formula = '2n+0';if (formula == 'odd')formula = '2n+1';if (mm = formula.match(/^(\d+)$/))// digit only
return '[' + fragment + "=" + mm[1] + ']';if (mm = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)){ // an+b
if (mm[1] == "-")mm[1] = -1;var a = mm[1] ? Number(mm[1]): 1;var b = mm[2] ? Number(mm[2]): 0;predicate = "[((#{fragment}- #{b})mod #{a}=0)and " +
"((#{fragment}- #{b})div #{a} >=0)]";return new Template(predicate).evaluate({
fragment: fragment, a: a, b: b });}
}
}
},
criteria: {
tagName:      'n = h.tagName(n, r, "#{1}", c);   c = false;',
className:    'n = h.className(n, r, "#{1}", c); c = false;',
id:           'n = h.id(n, r, "#{1}", c);        c = false;',
attrPresence: 'n = h.attrPresence(n, r, "#{1}"); c = false;',
attr: function(m){
m[3] = (m[5] || m[6]);return new Template('n = h.attr(n, r, "#{1}", "#{3}", "#{2}"); c = false;').evaluate(m);},
pseudo: function(m){
if (m[6])m[6] = m[6].replace(/"/g,'\\"');return new Template('n = h.pseudo(n, "#{1}", "#{6}", r, c); c = false;').evaluate(m);},
descendant:   'c = "descendant";',
child:        'c = "child";',
adjacent:     'c = "adjacent";',
laterSibling: 'c = "laterSibling";'
},
patterns: {
laterSibling: /^\s*~\s*/,
child:        /^\s*>\s*/,
adjacent:     /^\s*\+\s*/,
descendant:   /^\s/,
tagName:      /^\s*(\*|[\w\-]+)(\b|$)?/,
id:           /^#([\w\-\*]+)(\b|$)/,
className:    /^\.([\w\-\*]+)(\b|$)/,
pseudo:
/^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|(?=\s|[:+~>]))/,
attrPresence: /^\[([\w]+)\]/,
attr:         /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\4]*?)\4|([^'"][^\]]*?)))?\]/
},
assertions: {
tagName: function(element, matches){
return matches[1].toUpperCase()== element.tagName.toUpperCase();},
className: function(element, matches){
return Element.hasClassName(element, matches[1]);},
id: function(element, matches){
return element.id === matches[1];},
attrPresence: function(element, matches){
return Element.hasAttribute(element, matches[1]);},
attr: function(element, matches){
var nodeValue = Element.readAttribute(element, matches[1]);return Selector.operators[matches[2]](nodeValue, matches[3]);}
},
handlers: {
concat: function(a, b){
for (var i = 0, node; node = b[i]; i++)
a.push(node);return a;},
mark: function(nodes){
for (var i = 0, node; node = nodes[i]; i++)
node._counted = true;return nodes;},
unmark: function(nodes){
for (var i = 0, node; node = nodes[i]; i++)
node._counted = undefined;return nodes;},
index: function(parentNode, reverse, ofType){
parentNode._counted = true;if (reverse){
for (var nodes = parentNode.childNodes, i = nodes.length - 1, j = 1; i >= 0; i--){
var node = nodes[i];if (node.nodeType == 1 && (!ofType || node._counted))node.nodeIndex = j++;}
} else {
for (var i = 0, j = 1, nodes = parentNode.childNodes; node = nodes[i]; i++)
if (node.nodeType == 1 && (!ofType || node._counted))node.nodeIndex = j++;}
},
unique: function(nodes){
if (nodes.length == 0)return nodes;var results = [], n;for (var i = 0, l = nodes.length; i < l; i++)
if (!(n = nodes[i])._counted){
n._counted = true;results.push(Element.extend(n));}
return Selector.handlers.unmark(results);},
descendant: function(nodes){
var h = Selector.handlers;for (var i = 0, results = [], node; node = nodes[i]; i++)
h.concat(results, node.getElementsByTagName('*'));return results;},
child: function(nodes){
var h = Selector.handlers;for (var i = 0, results = [], node; node = nodes[i]; i++){
for (var j = 0, child; child = node.childNodes[j]; j++)
if (child.nodeType == 1 && child.tagName != '!')results.push(child);}
return results;},
adjacent: function(nodes){
for (var i = 0, results = [], node; node = nodes[i]; i++){
var next = this.nextElementSibling(node);if (next)results.push(next);}
return results;},
laterSibling: function(nodes){
var h = Selector.handlers;for (var i = 0, results = [], node; node = nodes[i]; i++)
h.concat(results, Element.nextSiblings(node));return results;},
nextElementSibling: function(node){
while (node = node.nextSibling)
if (node.nodeType == 1)return node;return null;},
previousElementSibling: function(node){
while (node = node.previousSibling)
if (node.nodeType == 1)return node;return null;},
tagName: function(nodes, root, tagName, combinator){
var uTagName = tagName.toUpperCase();var results = [], h = Selector.handlers;if (nodes){
if (combinator){
if (combinator == "descendant"){
for (var i = 0, node; node = nodes[i]; i++)
h.concat(results, node.getElementsByTagName(tagName));return results;} else nodes = this[combinator](nodes);if (tagName == "*")return nodes;}
for (var i = 0, node; node = nodes[i]; i++)
if (node.tagName.toUpperCase()=== uTagName)results.push(node);return results;} else return root.getElementsByTagName(tagName);},
id: function(nodes, root, id, combinator){
var targetNode = $(id), h = Selector.handlers;if (!targetNode)return [];if (!nodes && root == document)return [targetNode];if (nodes){
if (combinator){
if (combinator == 'child'){
for (var i = 0, node; node = nodes[i]; i++)
if (targetNode.parentNode == node)return [targetNode];} else if (combinator == 'descendant'){
for (var i = 0, node; node = nodes[i]; i++)
if (Element.descendantOf(targetNode, node))return [targetNode];} else if (combinator == 'adjacent'){
for (var i = 0, node; node = nodes[i]; i++)
if (Selector.handlers.previousElementSibling(targetNode)== node)
return [targetNode];} else nodes = h[combinator](nodes);}
for (var i = 0, node; node = nodes[i]; i++)
if (node == targetNode)return [targetNode];return [];}
return (targetNode && Element.descendantOf(targetNode, root))? [targetNode] : [];},
className: function(nodes, root, className, combinator){
if (nodes && combinator)nodes = this[combinator](nodes);return Selector.handlers.byClassName(nodes, root, className);},
byClassName: function(nodes, root, className){
if (!nodes)nodes = Selector.handlers.descendant([root]);var needle = ' ' + className + ' ';for (var i = 0, results = [], node, nodeClassName; node = nodes[i]; i++){
nodeClassName = node.className;if (nodeClassName.length == 0)continue;if (nodeClassName == className || (' ' + nodeClassName + ' ').include(needle))
results.push(node);}
return results;},
attrPresence: function(nodes, root, attr){
if (!nodes)nodes = root.getElementsByTagName("*");var results = [];for (var i = 0, node; node = nodes[i]; i++)
if (Element.hasAttribute(node, attr))results.push(node);return results;},
attr: function(nodes, root, attr, value, operator){
if (!nodes)nodes = root.getElementsByTagName("*");var handler = Selector.operators[operator], results = [];for (var i = 0, node; node = nodes[i]; i++){
var nodeValue = Element.readAttribute(node, attr);if (nodeValue === null)continue;if (handler(nodeValue, value))results.push(node);}
return results;},
pseudo: function(nodes, name, value, root, combinator){
if (nodes && combinator)nodes = this[combinator](nodes);if (!nodes)nodes = root.getElementsByTagName("*");return Selector.pseudos[name](nodes, value, root);}
},
pseudos: {
'first-child': function(nodes, value, root){
for (var i = 0, results = [], node; node = nodes[i]; i++){
if (Selector.handlers.previousElementSibling(node))continue;results.push(node);}
return results;},
'last-child': function(nodes, value, root){
for (var i = 0, results = [], node; node = nodes[i]; i++){
if (Selector.handlers.nextElementSibling(node))continue;results.push(node);}
return results;},
'only-child': function(nodes, value, root){
var h = Selector.handlers;for (var i = 0, results = [], node; node = nodes[i]; i++)
if (!h.previousElementSibling(node)&& !h.nextElementSibling(node))
results.push(node);return results;},
'nth-child':        function(nodes, formula, root){
return Selector.pseudos.nth(nodes, formula, root);},
'nth-last-child':   function(nodes, formula, root){
return Selector.pseudos.nth(nodes, formula, root, true);},
'nth-of-type':      function(nodes, formula, root){
return Selector.pseudos.nth(nodes, formula, root, false, true);},
'nth-last-of-type': function(nodes, formula, root){
return Selector.pseudos.nth(nodes, formula, root, true, true);},
'first-of-type':    function(nodes, formula, root){
return Selector.pseudos.nth(nodes, "1", root, false, true);},
'last-of-type':     function(nodes, formula, root){
return Selector.pseudos.nth(nodes, "1", root, true, true);},
'only-of-type':     function(nodes, formula, root){
var p = Selector.pseudos;return p['last-of-type'](p['first-of-type'](nodes, formula, root), formula, root);},
getIndices: function(a, b, total){
if (a == 0)return b > 0 ? [b] : [];return $R(1, total).inject([], function(memo, i){
if (0 == (i - b)% a && (i - b)/ a >= 0)memo.push(i);return memo;});},
nth: function(nodes, formula, root, reverse, ofType){
if (nodes.length == 0)return [];if (formula == 'even')formula = '2n+0';if (formula == 'odd')formula = '2n+1';var h = Selector.handlers, results = [], indexed = [], m;h.mark(nodes);for (var i = 0, node; node = nodes[i]; i++){
if (!node.parentNode._counted){
h.index(node.parentNode, reverse, ofType);indexed.push(node.parentNode);}
}
if (formula.match(/^\d+$/)){ // just a number
formula = Number(formula);for (var i = 0, node; node = nodes[i]; i++)
if (node.nodeIndex == formula)results.push(node);} else if (m = formula.match(/^(-?\d*)?n(([+-])(\d+))?/)){ // an+b
if (m[1] == "-")m[1] = -1;var a = m[1] ? Number(m[1]): 1;var b = m[2] ? Number(m[2]): 0;var indices = Selector.pseudos.getIndices(a, b, nodes.length);for (var i = 0, node, l = indices.length; node = nodes[i]; i++){
for (var j = 0; j < l; j++)
if (node.nodeIndex == indices[j])results.push(node);}
}
h.unmark(nodes);h.unmark(indexed);return results;},
'empty': function(nodes, value, root){
for (var i = 0, results = [], node; node = nodes[i]; i++){
if (node.tagName == '!' || (node.firstChild && !node.innerHTML.match(/^\s*$/)))continue;results.push(node);}
return results;},
'not': function(nodes, selector, root){
var h = Selector.handlers, selectorType, m;var exclusions = new Selector(selector).findElements(root);h.mark(exclusions);for (var i = 0, results = [], node; node = nodes[i]; i++)
if (!node._counted)results.push(node);h.unmark(exclusions);return results;},
'enabled': function(nodes, value, root){
for (var i = 0, results = [], node; node = nodes[i]; i++)
if (!node.disabled)results.push(node);return results;},
'disabled': function(nodes, value, root){
for (var i = 0, results = [], node; node = nodes[i]; i++)
if (node.disabled)results.push(node);return results;},
'checked': function(nodes, value, root){
for (var i = 0, results = [], node; node = nodes[i]; i++)
if (node.checked)results.push(node);return results;}
},
operators: {
'=':  function(nv, v){ return nv == v; },
'!=': function(nv, v){ return nv != v; },
'^=': function(nv, v){ return nv.startsWith(v); },
'$=': function(nv, v){ return nv.endsWith(v); },
'*=': function(nv, v){ return nv.include(v); },
'~=': function(nv, v){ return (' ' + nv + ' ').include(' ' + v + ' '); },
'|=': function(nv, v){ return ('-' + nv.toUpperCase()+ '-').include('-' + v.toUpperCase()+ '-'); }
},
matchElements: function(elements, expression){
var matches = new Selector(expression).findElements(), h = Selector.handlers;h.mark(matches);for (var i = 0, results = [], element; element = elements[i]; i++)
if (element._counted)results.push(element);h.unmark(matches);return results;},
findElement: function(elements, expression, index){
if (Object.isNumber(expression)){
index = expression; expression = false;}
return Selector.matchElements(elements, expression || '*')[index || 0];},
findChildElements: function(element, expressions){
var exprs = expressions.join(',');expressions = [];exprs.scan(/(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/, function(m){
expressions.push(m[1].strip());});var results = [], h = Selector.handlers;for (var i = 0, l = expressions.length, selector; i < l; i++){
selector = new Selector(expressions[i].strip());h.concat(results, selector.findElements(element));}
return (l > 1)? h.unique(results): results;}
});if (Prototype.Browser.IE){
Selector.handlers.concat = function(a, b){
for (var i = 0, node; node = b[i]; i++)
if (node.tagName !== "!")a.push(node);return a;};}
function $$(){
return Selector.findChildElements(document, $A(arguments));}
var Form = {
reset: function(form){
$(form).reset();return form;},
serializeElements: function(elements, options){
if (typeof options != 'object')options = { hash: !!options };else if (Object.isUndefined(options.hash))options.hash = true;var key, value, submitted = false, submit = options.submit;var data = elements.inject({ }, function(result, element){
if (!element.disabled && element.name){
key = element.name; value = $(element).getValue();if (value != null && (element.type != 'submit' || (!submitted &&
submit !== false && (!submit || key == submit)&& (submitted = true)))){
if (key in result){
if (!Object.isArray(result[key]))result[key] = [result[key]];result[key].push(value);}
else result[key] = value;}
}
return result;});return options.hash ? data : Object.toQueryString(data);}
};Form.Methods = {
serialize: function(form, options){
return Form.serializeElements(Form.getElements(form), options);},
getElements: function(form){
return $A($(form).getElementsByTagName('*')).inject([],
function(elements, child){
if (Form.Element.Serializers[child.tagName.toLowerCase()])
elements.push(Element.extend(child));return elements;}
);},
getInputs: function(form, typeName, name){
form = $(form);var inputs = form.getElementsByTagName('input');if (!typeName && !name)return $A(inputs).map(Element.extend);for (var i = 0, matchingInputs = [], length = inputs.length; i < length; i++){
var input = inputs[i];if ((typeName && input.type != typeName)|| (name && input.name != name))
continue;matchingInputs.push(Element.extend(input));}
return matchingInputs;},
disable: function(form){
form = $(form);Form.getElements(form).invoke('disable');return form;},
enable: function(form){
form = $(form);Form.getElements(form).invoke('enable');return form;},
findFirstElement: function(form){
var elements = $(form).getElements().findAll(function(element){
return 'hidden' != element.type && !element.disabled;});var firstByIndex = elements.findAll(function(element){
return element.hasAttribute('tabIndex')&& element.tabIndex >= 0;}).sortBy(function(element){ return element.tabIndex }).first();return firstByIndex ? firstByIndex : elements.find(function(element){
return ['input', 'select', 'textarea'].include(element.tagName.toLowerCase());});},
focusFirstElement: function(form){
form = $(form);form.findFirstElement().activate();return form;},
request: function(form, options){
form = $(form), options = Object.clone(options || { });var params = options.parameters, action = form.readAttribute('action')|| '';if (action.blank())action = window.location.href;options.parameters = form.serialize(true);if (params){
if (Object.isString(params))params = params.toQueryParams();Object.extend(options.parameters, params);}
if (form.hasAttribute('method')&& !options.method)
options.method = form.method;return new Ajax.Request(action, options);}
};/*--------------------------------------------------------------------------*/
Form.Element = {
focus: function(element){
$(element).focus();return element;},
select: function(element){
$(element).select();return element;}
};Form.Element.Methods = {
serialize: function(element){
element = $(element);if (!element.disabled && element.name){
var value = element.getValue();if (value != undefined){
var pair = { };pair[element.name] = value;return Object.toQueryString(pair);}
}
return '';},
getValue: function(element){
element = $(element);var method = element.tagName.toLowerCase();return Form.Element.Serializers[method](element);},
setValue: function(element, value){
element = $(element);var method = element.tagName.toLowerCase();Form.Element.Serializers[method](element, value);return element;},
clear: function(element){
$(element).value = '';return element;},
present: function(element){
return $(element).value != '';},
activate: function(element){
element = $(element);try {
element.focus();if (element.select && (element.tagName.toLowerCase()!= 'input' ||
!['button', 'reset', 'submit'].include(element.type)))
element.select();} catch (e){ }
return element;},
disable: function(element){
element = $(element);element.blur();element.disabled = true;return element;},
enable: function(element){
element = $(element);element.disabled = false;return element;}
};/*--------------------------------------------------------------------------*/
var Field = Form.Element;var $F = Form.Element.Methods.getValue;/*--------------------------------------------------------------------------*/
Form.Element.Serializers = {
input: function(element, value){
switch (element.type.toLowerCase()){
case 'checkbox':
case 'radio':
return Form.Element.Serializers.inputSelector(element, value);default:
return Form.Element.Serializers.textarea(element, value);}
},
inputSelector: function(element, value){
if (Object.isUndefined(value))return element.checked ? element.value : null;else element.checked = !!value;},
textarea: function(element, value){
if (Object.isUndefined(value))return element.value;else element.value = value;},
select: function(element, index){
if (Object.isUndefined(index))
return this[element.type == 'select-one' ?
'selectOne' : 'selectMany'](element);else {
var opt, value, single = !Object.isArray(index);for (var i = 0, length = element.length; i < length; i++){
opt = element.options[i];value = this.optionValue(opt);if (single){
if (value == index){
opt.selected = true;return;}
}
else opt.selected = index.include(value);}
}
},
selectOne: function(element){
var index = element.selectedIndex;return index >= 0 ? this.optionValue(element.options[index]): null;},
selectMany: function(element){
var values, length = element.length;if (!length)return null;for (var i = 0, values = []; i < length; i++){
var opt = element.options[i];if (opt.selected)values.push(this.optionValue(opt));}
return values;},
optionValue: function(opt){
return Element.extend(opt).hasAttribute('value')? opt.value : opt.text;}
};/*--------------------------------------------------------------------------*/
Abstract.TimedObserver = Class.create(PeriodicalExecuter, {
initialize: function($super, element, frequency, callback){
$super(callback, frequency);this.element   = $(element);this.lastValue = this.getValue();},
execute: function(){
var value = this.getValue();if (Object.isString(this.lastValue)&& Object.isString(value)?
this.lastValue != value : String(this.lastValue)!= String(value)){
this.callback(this.element, value);this.lastValue = value;}
}
});Form.Element.Observer = Class.create(Abstract.TimedObserver, {
getValue: function(){
return Form.Element.getValue(this.element);}
});Form.Observer = Class.create(Abstract.TimedObserver, {
getValue: function(){
return Form.serialize(this.element);}
});/*--------------------------------------------------------------------------*/
Abstract.EventObserver = Class.create({
initialize: function(element, callback){
this.element  = $(element);this.callback = callback;this.lastValue = this.getValue();if (this.element.tagName.toLowerCase()== 'form')
this.registerFormCallbacks();else
this.registerCallback(this.element);},
onElementEvent: function(){
var value = this.getValue();if (this.lastValue != value){
this.callback(this.element, value);this.lastValue = value;}
},
registerFormCallbacks: function(){
Form.getElements(this.element).each(this.registerCallback, this);},
registerCallback: function(element){
if (element.type){
switch (element.type.toLowerCase()){
case 'checkbox':
case 'radio':
Event.observe(element, 'click', this.onElementEvent.bind(this));break;default:
Event.observe(element, 'change', this.onElementEvent.bind(this));break;}
}
}
});Form.Element.EventObserver = Class.create(Abstract.EventObserver, {
getValue: function(){
return Form.Element.getValue(this.element);}
});Form.EventObserver = Class.create(Abstract.EventObserver, {
getValue: function(){
return Form.serialize(this.element);}
});if (!window.Event)var Event = { };Object.extend(Event, {
KEY_BACKSPACE: 8,
KEY_TAB:       9,
KEY_RETURN:   13,
KEY_ESC:      27,
KEY_LEFT:     37,
KEY_UP:       38,
KEY_RIGHT:    39,
KEY_DOWN:     40,
KEY_DELETE:   46,
KEY_HOME:     36,
KEY_END:      35,
KEY_PAGEUP:   33,
KEY_PAGEDOWN: 34,
KEY_INSERT:   45,
cache: { },
relatedTarget: function(event){
var element;switch(event.type){
case 'mouseover': element = event.fromElement; break;case 'mouseout':  element = event.toElement;   break;default: return null;}
return Element.extend(element);}
});Event.Methods = (function(){
var isButton;if (Prototype.Browser.IE){
var buttonMap = { 0: 1, 1: 4, 2: 2 };isButton = function(event, code){
return event.button == buttonMap[code];};} else if (Prototype.Browser.WebKit){
isButton = function(event, code){
switch (code){
case 0: return event.which == 1 && !event.metaKey;case 1: return event.which == 1 && event.metaKey;default: return false;}
};} else {
isButton = function(event, code){
return event.which ? (event.which === code + 1): (event.button === code);};}
return {
isLeftClick:   function(event){ return isButton(event, 0)},
isMiddleClick: function(event){ return isButton(event, 1)},
isRightClick:  function(event){ return isButton(event, 2)},
element: function(event){
var node = Event.extend(event).target;return Element.extend(node.nodeType == Node.TEXT_NODE ? node.parentNode : node);},
findElement: function(event, expression){
var element = Event.element(event);if (!expression)return element;var elements = [element].concat(element.ancestors());return Selector.findElement(elements, expression, 0);},
pointer: function(event){
return {
x: event.pageX || (event.clientX +
(document.documentElement.scrollLeft || document.body.scrollLeft)),
y: event.pageY || (event.clientY +
(document.documentElement.scrollTop || document.body.scrollTop))
};},
pointerX: function(event){ return Event.pointer(event).x },
pointerY: function(event){ return Event.pointer(event).y },
stop: function(event){
Event.extend(event);event.preventDefault();event.stopPropagation();event.stopped = true;}
};})();Event.extend = (function(){
var methods = Object.keys(Event.Methods).inject({ }, function(m, name){
m[name] = Event.Methods[name].methodize();return m;});if (Prototype.Browser.IE){
Object.extend(methods, {
stopPropagation: function(){ this.cancelBubble = true },
preventDefault:  function(){ this.returnValue = false },
inspect: function(){ return "[object Event]" }
});return function(event){
if (!event)return false;if (event._extendedByPrototype)return event;event._extendedByPrototype = Prototype.emptyFunction;var pointer = Event.pointer(event);Object.extend(event, {
target: event.srcElement,
relatedTarget: Event.relatedTarget(event),
pageX:  pointer.x,
pageY:  pointer.y
});return Object.extend(event, methods);};} else {
Event.prototype = Event.prototype || document.createEvent("HTMLEvents").__proto__;Object.extend(Event.prototype, methods);return Prototype.K;}
})();Object.extend(Event, (function(){
var cache = Event.cache;function getEventID(element){
if (element._eventID)return element._eventID;arguments.callee.id = arguments.callee.id || 1;return element._eventID = ++arguments.callee.id;}
function getDOMEventName(eventName){
if (eventName && eventName.include(':'))return "dataavailable";return eventName;}
function getCacheForID(id){
return cache[id] = cache[id] || { };}
function getWrappersForEventName(id, eventName){
var c = getCacheForID(id);return c[eventName] = c[eventName] || [];}
function createWrapper(element, eventName, handler){
var id = getEventID(element);var c = getWrappersForEventName(id, eventName);if (c.pluck("handler").include(handler))return false;var wrapper = function(event){
if (!Event || !Event.extend ||
(event.eventName && event.eventName != eventName))
return false;Event.extend(event);handler.call(element, event);};wrapper.handler = handler;c.push(wrapper);return wrapper;}
function findWrapper(id, eventName, handler){
var c = getWrappersForEventName(id, eventName);return c.find(function(wrapper){ return wrapper.handler == handler });}
function destroyWrapper(id, eventName, handler){
var c = getCacheForID(id);if (!c[eventName])return false;c[eventName] = c[eventName].without(findWrapper(id, eventName, handler));}
function destroyCache(){
for (var id in cache)
for (var eventName in cache[id])
cache[id][eventName] = null;}
if (window.attachEvent){
window.attachEvent("onunload", destroyCache);}
return {
observe: function(element, eventName, handler){
element = $(element);var name = getDOMEventName(eventName);var wrapper = createWrapper(element, eventName, handler);if (!wrapper)return element;if (element.addEventListener){
element.addEventListener(name, wrapper, false);} else {
element.attachEvent("on" + name, wrapper);}
return element;},
stopObserving: function(element, eventName, handler){
element = $(element);var id = getEventID(element), name = getDOMEventName(eventName);if (!handler && eventName){
getWrappersForEventName(id, eventName).each(function(wrapper){
element.stopObserving(eventName, wrapper.handler);});return element;} else if (!eventName){
Object.keys(getCacheForID(id)).each(function(eventName){
element.stopObserving(eventName);});return element;}
var wrapper = findWrapper(id, eventName, handler);if (!wrapper)return element;if (element.removeEventListener){
element.removeEventListener(name, wrapper, false);} else {
element.detachEvent("on" + name, wrapper);}
destroyWrapper(id, eventName, handler);return element;},
fire: function(element, eventName, memo){
element = $(element);if (element == document && document.createEvent && !element.dispatchEvent)
element = document.documentElement;var event;if (document.createEvent){
event = document.createEvent("HTMLEvents");event.initEvent("dataavailable", true, true);} else {
event = document.createEventObject();event.eventType = "ondataavailable";}
event.eventName = eventName;event.memo = memo || { };if (document.createEvent){
element.dispatchEvent(event);} else {
element.fireEvent(event.eventType, event);}
return Event.extend(event);}
};})());Object.extend(Event, Event.Methods);Element.addMethods({
fire:          Event.fire,
observe:       Event.observe,
stopObserving: Event.stopObserving
});Object.extend(document, {
fire:          Element.Methods.fire.methodize(),
observe:       Element.Methods.observe.methodize(),
stopObserving: Element.Methods.stopObserving.methodize(),
loaded:        false
});(function(){
/* Support for the DOMContentLoaded event is based on work by Dan Webb,
Matthias Miller, Dean Edwards and John Resig. */
var timer;function fireContentLoadedEvent(){
if (document.loaded)return;if (timer)window.clearInterval(timer);document.fire("dom:loaded");document.loaded = true;}
if (document.addEventListener){
if (Prototype.Browser.WebKit){
timer = window.setInterval(function(){
if (/loaded|complete/.test(document.readyState))
fireContentLoadedEvent();}, 0);Event.observe(window, "load", fireContentLoadedEvent);} else {
document.addEventListener("DOMContentLoaded",
fireContentLoadedEvent, false);}
} else {
document.write("<script id=__onDOMContentLoaded defer src=//:><\/script>");$("__onDOMContentLoaded").onreadystatechange = function(){
if (this.readyState == "complete"){
this.onreadystatechange = null;fireContentLoadedEvent();}
};}
})();/*------------------------------- DEPRECATED -------------------------------*/
Hash.toQueryString = Object.toQueryString;var Toggle = { display: Element.toggle };Element.Methods.childOf = Element.Methods.descendantOf;var Insertion = {
Before: function(element, content){
return Element.insert(element, {before:content});},
Top: function(element, content){
return Element.insert(element, {top:content});},
Bottom: function(element, content){
return Element.insert(element, {bottom:content});},
After: function(element, content){
return Element.insert(element, {after:content});}
};var $continue = new Error('"throw $continue" is deprecated, use "return" instead');var Position = {
includeScrollOffsets: false,
prepare: function(){
this.deltaX =  window.pageXOffset
|| document.documentElement.scrollLeft
|| document.body.scrollLeft
|| 0;this.deltaY =  window.pageYOffset
|| document.documentElement.scrollTop
|| document.body.scrollTop
|| 0;},
within: function(element, x, y){
if (this.includeScrollOffsets)
return this.withinIncludingScrolloffsets(element, x, y);this.xcomp = x;this.ycomp = y;this.offset = Element.cumulativeOffset(element);return (y >= this.offset[1] &&
y <  this.offset[1] + element.offsetHeight &&
x >= this.offset[0] &&
x <  this.offset[0] + element.offsetWidth);},
withinIncludingScrolloffsets: function(element, x, y){
var offsetcache = Element.cumulativeScrollOffset(element);this.xcomp = x + offsetcache[0] - this.deltaX;this.ycomp = y + offsetcache[1] - this.deltaY;this.offset = Element.cumulativeOffset(element);return (this.ycomp >= this.offset[1] &&
this.ycomp <  this.offset[1] + element.offsetHeight &&
this.xcomp >= this.offset[0] &&
this.xcomp <  this.offset[0] + element.offsetWidth);},
overlap: function(mode, element){
if (!mode)return 0;if (mode == 'vertical')
return ((this.offset[1] + element.offsetHeight)- this.ycomp)/
element.offsetHeight;if (mode == 'horizontal')
return ((this.offset[0] + element.offsetWidth)- this.xcomp)/
element.offsetWidth;},
cumulativeOffset: Element.Methods.cumulativeOffset,
positionedOffset: Element.Methods.positionedOffset,
absolutize: function(element){
Position.prepare();return Element.absolutize(element);},
relativize: function(element){
Position.prepare();return Element.relativize(element);},
realOffset: Element.Methods.cumulativeScrollOffset,
offsetParent: Element.Methods.getOffsetParent,
page: Element.Methods.viewportOffset,
clone: function(source, target, options){
options = options || { };return Element.clonePosition(target, source, options);}
};/*--------------------------------------------------------------------------*/
if (!document.getElementsByClassName)document.getElementsByClassName = function(instanceMethods){
function iter(name){
return name.blank()? null : "[contains(concat(' ',@class,' '),' " + name + " ')]";}
instanceMethods.getElementsByClassName = Prototype.BrowserFeatures.XPath ?
function(element, className){
className = className.toString().strip();var cond = /\s/.test(className)? $w(className).map(iter).join(''): iter(className);return cond ? document._getElementsByXPath('.//*' + cond, element): [];} : function(element, className){
className = className.toString().strip();var elements = [], classNames = (/\s/.test(className)? $w(className): null);if (!classNames && !className)return elements;var nodes = $(element).getElementsByTagName('*');className = ' ' + className + ' ';for (var i = 0, child, cn; child = nodes[i]; i++){
if (child.className && (cn = ' ' + child.className + ' ')&& (cn.include(className)||
(classNames && classNames.all(function(name){
return !name.toString().blank()&& cn.include(' ' + name + ' ');}))))
elements.push(Element.extend(child));}
return elements;};return function(className, parentElement){
return $(parentElement || document.body).getElementsByClassName(className);};}(Element.Methods);/*--------------------------------------------------------------------------*/
Element.ClassNames = Class.create();Element.ClassNames.prototype = {
initialize: function(element){
this.element = $(element);},
_each: function(iterator){
this.element.className.split(/\s+/).select(function(name){
return name.length > 0;})._each(iterator);},
set: function(className){
this.element.className = className;},
add: function(classNameToAdd){
if (this.include(classNameToAdd))return;this.set($A(this).concat(classNameToAdd).join(' '));},
remove: function(classNameToRemove){
if (!this.include(classNameToRemove))return;this.set($A(this).without(classNameToRemove).join(' '));},
toString: function(){
return $A(this).join(' ');}
};Object.extend(Element.ClassNames.prototype, Enumerable);/*--------------------------------------------------------------------------*/
Element.addMethods();