/*  Prototype JavaScript framework, version 1.6.1
 *  (c) 2005-2009 Sam Stephenson
 *
 *  Prototype is freely distributable under the terms of an MIT-style license.
 *  For details, see the Prototype web site: http://www.prototypejs.org/
 *
 *--------------------------------------------------------------------------*/


var Prototype={
Version:'1.6.1',
Browser:(function(){
var ua=navigator.userAgent;
var isOpera=Object.prototype.toString.call(window.opera)=='[object Opera]';
return{
IE:!!window.attachEvent&&!isOpera,
Opera:isOpera,
WebKit:ua.indexOf('AppleWebKit/')>-1,
Gecko:ua.indexOf('Gecko')>-1&&ua.indexOf('KHTML')===-1,
MobileSafari:/Apple.*Mobile.*Safari/.test(ua)
}
})(),
BrowserFeatures:{
XPath:!!document.evaluate,
SelectorsAPI:!!document.querySelector,
ElementExtensions:(function(){
var constructor=window.Element||window.HTMLElement;
return!!(constructor&&constructor.prototype);
})(),
SpecificElementExtensions:(function(){
if(typeof window.HTMLDivElement!=='undefined')
return true;
var div=document.createElement('div');
var form=document.createElement('form');
var isSupported=false;
if(div['__proto__']&&(div['__proto__']!==form['__proto__'])){
isSupported=true;
}
div=form=null;
return isSupported;
})()
},
ScriptFragment:'<script[^>]*>([\\S\\s]*?)<\/script>',
JSONFilter:/^\/\*-secure-([\s\S]*)\*\/\s*$/,
emptyFunction:function(){},
K:function(x){return x}
};
if(Prototype.Browser.MobileSafari)
Prototype.BrowserFeatures.SpecificElementExtensions=false;
var Abstract={};
var Try={
these:function(){
var returnValue;
for(var i=0,length=arguments.length;i<length;i++){
var lambda=arguments[i];
try{
returnValue=lambda();
break;
}catch(e){}
}
return returnValue;
}
};
var Class=(function(){
function subclass(){};
function create(){
var parent=null,properties=$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){
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;
}
function addMethods(source){
var ancestor=this.superclass&&this.superclass.prototype;
var properties=Object.keys(source);
if(!Object.keys({toString:true}).length){
if(source.toString!=Object.prototype.toString)
properties.push("toString");
if(source.valueOf!=Object.prototype.valueOf)
properties.push("valueOf");
}
for(var i=0,length=properties.length;i<length;i++){
var property=properties[i],value=source[property];
if(ancestor&&Object.isFunction(value)&&
value.argumentNames().first()=="$super"){
var method=value;
value=(function(m){
return function(){return ancestor[m].apply(this,arguments);};
})(property).wrap(method);
value.valueOf=method.valueOf.bind(method);
value.toString=method.toString.bind(method);
}
this.prototype[property]=value;
}
return this;
}
return{
create:create,
Methods:{
addMethods:addMethods
}
};
})();
(function(){
var _toString=Object.prototype.toString;
function extend(destination,source){
for(var property in source)
destination[property]=source[property];
return destination;
}
function inspect(object){
try{
if(isUndefined(object))return'undefined';
if(object===null)return'null';
return object.inspect?object.inspect():String(object);
}catch(e){
if(e instanceof RangeError)return'...';
throw e;
}
}
function toJSON(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(isElement(object))return;
var results=[];
for(var property in object){
var value=toJSON(object[property]);
if(!isUndefined(value))
results.push(property.toJSON()+': '+value);
}
return'{'+results.join(', ')+'}';
}
function toQueryString(object){
return $H(object).toQueryString();
}
function toHTML(object){
return object&&object.toHTML?object.toHTML():String.interpret(object);
}
function keys(object){
var results=[];
for(var property in object)
results.push(property);
return results;
}
function values(object){
var results=[];
for(var property in object)
results.push(object[property]);
return results;
}
function clone(object){
return extend({},object);
}
function isElement(object){
return!!(object&&object.nodeType==1);
}
function isArray(object){
return _toString.call(object)=="[object Array]";
}
function isHash(object){
return object instanceof Hash;
}
function isFunction(object){
return typeof object==="function";
}
function isString(object){
return _toString.call(object)=="[object String]";
}
function isNumber(object){
return _toString.call(object)=="[object Number]";
}
function isUndefined(object){
return typeof object==="undefined";
}
extend(Object,{
extend:extend,
inspect:inspect,
toJSON:toJSON,
toQueryString:toQueryString,
toHTML:toHTML,
keys:keys,
values:values,
clone:clone,
isElement:isElement,
isArray:isArray,
isHash:isHash,
isFunction:isFunction,
isString:isString,
isNumber:isNumber,
isUndefined:isUndefined
});
})();
Object.extend(Function.prototype,(function(){
var slice=Array.prototype.slice;
function update(array,args){
var arrayLength=array.length,length=args.length;
while(length--)array[arrayLength+length]=args[length];
return array;
}
function merge(array,args){
array=slice.call(array,0);
return update(array,args);
}
function argumentNames(){
var names=this.toString().match(/^[\s\(]*function[^(]*\(([^)]*)\)/)[1]
.replace(/\/\/.*?[\r\n]|\/\*(?:.|[\r\n])*?\*\//g,'')
.replace(/\s+/g,'').split(',');
return names.length==1&&!names[0]?[]:names;
}
function bind(context){
if(arguments.length<2&&Object.isUndefined(arguments[0]))return this;
var __method=this,args=slice.call(arguments,1);
return function(){
var a=merge(args,arguments);
return __method.apply(context,a);
}
}
function bindAsEventListener(context){
var __method=this,args=slice.call(arguments,1);
return function(event){
var a=update([event||window.event],args);
return __method.apply(context,a);
}
}
function curry(){
if(!arguments.length)return this;
var __method=this,args=slice.call(arguments,0);
return function(){
var a=merge(args,arguments);
return __method.apply(this,a);
}
}
function delay(timeout){
var __method=this,args=slice.call(arguments,1);
timeout=timeout*1000
return window.setTimeout(function(){
return __method.apply(__method,args);
},timeout);
}
function defer(){
var args=update([0.01],arguments);
return this.delay.apply(this,args);
}
function wrap(wrapper){
var __method=this;
return function(){
var a=update([__method.bind(this)],arguments);
return wrapper.apply(this,a);
}
}
function methodize(){
if(this._methodized)return this._methodized;
var __method=this;
return this._methodized=function(){
var a=update([this],arguments);
return __method.apply(null,a);
};
}
return{
argumentNames:argumentNames,
bind:bind,
bindAsEventListener:bindAsEventListener,
curry:curry,
delay:delay,
defer:defer,
wrap:wrap,
methodize:methodize
}
})());
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"';
};
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();
this.currentlyExecuting=false;
}catch(e){
this.currentlyExecuting=false;
throw e;
}
}
}
});
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,(function(){
function prepareReplacement(replacement){
if(Object.isFunction(replacement))return replacement;
var template=new Template(replacement);
return function(match){return template.evaluate(match)};
}
function gsub(pattern,replacement){
var result='',source=this,match;
replacement=prepareReplacement(replacement);
if(Object.isString(pattern))
pattern=RegExp.escape(pattern);
if(!(pattern.length||pattern.source)){
replacement=replacement('');
return replacement+source.split('').join(replacement)+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;
}
function sub(pattern,replacement,count){
replacement=prepareReplacement(replacement);
count=Object.isUndefined(count)?1:count;
return this.gsub(pattern,function(match){
if(--count<0)return match[0];
return replacement(match);
});
}
function scan(pattern,iterator){
this.gsub(pattern,iterator);
return String(this);
}
function truncate(length,truncation){
length=length||30;
truncation=Object.isUndefined(truncation)?'...':truncation;
return this.length>length?
this.slice(0,length-truncation.length)+truncation:String(this);
}
function strip(){
return this.replace(/^\s+/,'').replace(/\s+$/,'');
}
function stripTags(){
return this.replace(/<\w+(\s+("[^"]*"|'[^']*'|[^>])+)?>|<\/\w+>/gi,'');
}
function stripScripts(){
return this.replace(new RegExp(Prototype.ScriptFragment,'img'),'');
}
function extractScripts(){
var matchAll=new RegExp(Prototype.ScriptFragment,'img');
var matchOne=new RegExp(Prototype.ScriptFragment,'im');
return(this.match(matchAll)||[]).map(function(scriptTag){
return(scriptTag.match(matchOne)||['',''])[1];
});
}
function evalScripts(){
return this.extractScripts().map(function(script){return eval(script)});
}
function escapeHTML(){
return this.replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;');
}
function unescapeHTML(){
return this.stripTags().replace(/&lt;/g,'<').replace(/&gt;/g,'>').replace(/&amp;/g,'&');
}
function toQueryParams(separator){
var match=this.strip().match(/([^?#]*)(#.*)?$/);
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;
});
}
function toArray(){
return this.split('');
}
function succ(){
return this.slice(0,this.length-1)+
String.fromCharCode(this.charCodeAt(this.length-1)+1);
}
function times(count){
return count<1?'':new Array(count+1).join(this);
}
function camelize(){
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;
}
function capitalize(){
return this.charAt(0).toUpperCase()+this.substring(1).toLowerCase();
}
function underscore(){
return this.replace(/::/g,'/')
.replace(/([A-Z]+)([A-Z][a-z])/g,'$1_$2')
.replace(/([a-z\d])([A-Z])/g,'$1_$2')
.replace(/-/g,'_')
.toLowerCase();
}
function dasherize(){
return this.replace(/_/g,'-');
}
function inspect(useDoubleQuotes){
var escapedString=this.replace(/[\x00-\x1f\\]/g,function(character){
if(character in String.specialChar){
return String.specialChar[character];
}
return'\\u00'+character.charCodeAt().toPaddedString(2,16);
});
if(useDoubleQuotes)return'"'+escapedString.replace(/"/g,'\\"')+'"';
return"'"+escapedString.replace(/'/g,'\\\'')+"'";
}
function toJSON(){
return this.inspect(true);
}
function unfilterJSON(filter){
return this.replace(filter||Prototype.JSONFilter,'$1');
}
function isJSON(){
var str=this;
if(str.blank())return false;
str=this.replace(/\\./g,'@').replace(/"[^"\\\n\r]*"/g,'');
return(/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test(str);
}
function evalJSON(sanitize){
var json=this.unfilterJSON();
try{
if(!sanitize||json.isJSON())return eval('('+json+')');
}catch(e){}
throw new SyntaxError('Badly formed JSON string: '+this.inspect());
}
function include(pattern){
return this.indexOf(pattern)>-1;
}
function startsWith(pattern){
return this.indexOf(pattern)===0;
}
function endsWith(pattern){
var d=this.length-pattern.length;
return d>=0&&this.lastIndexOf(pattern)===d;
}
function empty(){
return this=='';
}
function blank(){
return/^\s*$/.test(this);
}
function interpolate(object,pattern){
return new Template(this,pattern).evaluate(object);
}
return{
gsub:gsub,
sub:sub,
scan:scan,
truncate:truncate,
strip:String.prototype.trim?String.prototype.trim:strip,
stripTags:stripTags,
stripScripts:stripScripts,
extractScripts:extractScripts,
evalScripts:evalScripts,
escapeHTML:escapeHTML,
unescapeHTML:unescapeHTML,
toQueryParams:toQueryParams,
parseQuery:toQueryParams,
toArray:toArray,
succ:succ,
times:times,
camelize:camelize,
capitalize:capitalize,
underscore:underscore,
dasherize:dasherize,
inspect:inspect,
toJSON:toJSON,
unfilterJSON:unfilterJSON,
isJSON:isJSON,
evalJSON:evalJSON,
include:include,
startsWith:startsWith,
endsWith:endsWith,
empty:empty,
blank:blank,
interpolate:interpolate
};
})());
var Template=Class.create({
initialize:function(template,pattern){
this.template=template.toString();
this.pattern=pattern||Template.Pattern;
},
evaluate:function(object){
if(object&&Object.isFunction(object.toTemplateReplacements))
object=object.toTemplateReplacements();
return this.template.gsub(this.pattern,function(match){
if(object==null)return(match[1]+'');
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].replace(/\\\\]/g,']'):match[1];
ctx=ctx[comp];
if(null==ctx||''==match[3])break;
expr=expr.substring('['==match[3]?match[1].length:match[0].length);
match=pattern.exec(expr);
}
return before+String.interpret(ctx);
});
}
});
Template.Pattern=/(^|.|\r|\n)(#\{(.*?)\})/;
var $break={};
var Enumerable=(function(){
function each(iterator,context){
var index=0;
try{
this._each(function(value){
iterator.call(context,value,index++);
});
}catch(e){
if(e!=$break)throw e;
}
return this;
}
function eachSlice(number,iterator,context){
var index=-number,slices=[],array=this.toArray();
if(number<1)return array;
while((index+=number)<array.length)
slices.push(array.slice(index,index+number));
return slices.collect(iterator,context);
}
function all(iterator,context){
iterator=iterator||Prototype.K;
var result=true;
this.each(function(value,index){
result=result&&!!iterator.call(context,value,index);
if(!result)throw $break;
});
return result;
}
function any(iterator,context){
iterator=iterator||Prototype.K;
var result=false;
this.each(function(value,index){
if(result=!!iterator.call(context,value,index))
throw $break;
});
return result;
}
function collect(iterator,context){
iterator=iterator||Prototype.K;
var results=[];
this.each(function(value,index){
results.push(iterator.call(context,value,index));
});
return results;
}
function detect(iterator,context){
var result;
this.each(function(value,index){
if(iterator.call(context,value,index)){
result=value;
throw $break;
}
});
return result;
}
function findAll(iterator,context){
var results=[];
this.each(function(value,index){
if(iterator.call(context,value,index))
results.push(value);
});
return results;
}
function grep(filter,iterator,context){
iterator=iterator||Prototype.K;
var results=[];
if(Object.isString(filter))
filter=new RegExp(RegExp.escape(filter));
this.each(function(value,index){
if(filter.match(value))
results.push(iterator.call(context,value,index));
});
return results;
}
function include(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 $break;
}
});
return found;
}
function inGroupsOf(number,fillWith){
fillWith=Object.isUndefined(fillWith)?null:fillWith;
return this.eachSlice(number,function(slice){
while(slice.length<number)slice.push(fillWith);
return slice;
});
}
function inject(memo,iterator,context){
this.each(function(value,index){
memo=iterator.call(context,memo,value,index);
});
return memo;
}
function invoke(method){
var args=$A(arguments).slice(1);
return this.map(function(value){
return value[method].apply(value,args);
});
}
function max(iterator,context){
iterator=iterator||Prototype.K;
var result;
this.each(function(value,index){
value=iterator.call(context,value,index);
if(result==null||value>=result)
result=value;
});
return result;
}
function min(iterator,context){
iterator=iterator||Prototype.K;
var result;
this.each(function(value,index){
value=iterator.call(context,value,index);
if(result==null||value<result)
result=value;
});
return result;
}
function partition(iterator,context){
iterator=iterator||Prototype.K;
var trues=[],falses=[];
this.each(function(value,index){
(iterator.call(context,value,index)?
trues:falses).push(value);
});
return[trues,falses];
}
function pluck(property){
var results=[];
this.each(function(value){
results.push(value[property]);
});
return results;
}
function reject(iterator,context){
var results=[];
this.each(function(value,index){
if(!iterator.call(context,value,index))
results.push(value);
});
return results;
}
function sortBy(iterator,context){
return this.map(function(value,index){
return{
value:value,
criteria:iterator.call(context,value,index)
};
}).sort(function(left,right){
var a=left.criteria,b=right.criteria;
return a<b?-1:a>b?1:0;
}).pluck('value');
}
function toArray(){
return this.map();
}
function zip(){
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));
});
}
function size(){
return this.toArray().length;
}
function inspect(){
return'#<Enumerable:'+this.toArray().inspect()+'>';
}
return{
each:each,
eachSlice:eachSlice,
all:all,
every:all,
any:any,
some:any,
collect:collect,
map:collect,
detect:detect,
findAll:findAll,
select:findAll,
filter:findAll,
grep:grep,
include:include,
member:include,
inGroupsOf:inGroupsOf,
inject:inject,
invoke:invoke,
max:max,
min:min,
partition:partition,
pluck:pluck,
reject:reject,
sortBy:sortBy,
toArray:toArray,
entries:toArray,
zip:zip,
size:size,
inspect:inspect,
find:detect
};
})();
function $A(iterable){
if(!iterable)return[];
if('toArray'in Object(iterable))return iterable.toArray();
var length=iterable.length||0,results=new Array(length);
while(length--)results[length]=iterable[length];
return results;
}
function $w(string){
if(!Object.isString(string))return[];
string=string.strip();
return string?string.split(/\s+/):[];
}
Array.from=$A;
(function(){
var arrayProto=Array.prototype,
slice=arrayProto.slice,
_each=arrayProto.forEach;
function each(iterator){
for(var i=0,length=this.length;i<length;i++)
iterator(this[i]);
}
if(!_each)_each=each;
function clear(){
this.length=0;
return this;
}
function first(){
return this[0];
}
function last(){
return this[this.length-1];
}
function compact(){
return this.select(function(value){
return value!=null;
});
}
function flatten(){
return this.inject([],function(array,value){
if(Object.isArray(value))
return array.concat(value.flatten());
array.push(value);
return array;
});
}
function without(){
var values=slice.call(arguments,0);
return this.select(function(value){
return!values.include(value);
});
}
function reverse(inline){
return(inline!==false?this:this.toArray())._reverse();
}
function uniq(sorted){
return this.inject([],function(array,value,index){
if(0==index||(sorted?array.last()!=value:!array.include(value)))
array.push(value);
return array;
});
}
function intersect(array){
return this.uniq().findAll(function(item){
return array.detect(function(value){return item===value});
});
}
function clone(){
return slice.call(this,0);
}
function size(){
return this.length;
}
function inspect(){
return'['+this.map(Object.inspect).join(', ')+']';
}
function toJSON(){
var results=[];
this.each(function(object){
var value=Object.toJSON(object);
if(!Object.isUndefined(value))results.push(value);
});
return'['+results.join(', ')+']';
}
function indexOf(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;
}
function lastIndexOf(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;
}
function concat(){
var array=slice.call(this,0),item;
for(var i=0,length=arguments.length;i<length;i++){
item=arguments[i];
if(Object.isArray(item)&&!('callee'in item)){
for(var j=0,arrayLength=item.length;j<arrayLength;j++)
array.push(item[j]);
}else{
array.push(item);
}
}
return array;
}
Object.extend(arrayProto,Enumerable);
if(!arrayProto._reverse)
arrayProto._reverse=arrayProto.reverse;
Object.extend(arrayProto,{
_each:_each,
clear:clear,
first:first,
last:last,
compact:compact,
flatten:flatten,
without:without,
reverse:reverse,
uniq:uniq,
intersect:intersect,
clone:clone,
toArray:clone,
size:size,
inspect:inspect,
toJSON:toJSON
});
var CONCAT_ARGUMENTS_BUGGY=(function(){
return[].concat(arguments)[0][0]!==1;
})(1,2)
if(CONCAT_ARGUMENTS_BUGGY)arrayProto.concat=concat;
if(!arrayProto.indexOf)arrayProto.indexOf=indexOf;
if(!arrayProto.lastIndexOf)arrayProto.lastIndexOf=lastIndexOf;
})();
function $H(object){
return new Hash(object);
};
var Hash=Class.create(Enumerable,(function(){
function initialize(object){
this._object=Object.isHash(object)?object.toObject():Object.clone(object);
}
function _each(iterator){
for(var key in this._object){
var value=this._object[key],pair=[key,value];
pair.key=key;
pair.value=value;
iterator(pair);
}
}
function set(key,value){
return this._object[key]=value;
}
function get(key){
if(this._object[key]!==Object.prototype[key])
return this._object[key];
}
function unset(key){
var value=this._object[key];
delete this._object[key];
return value;
}
function toObject(){
return Object.clone(this._object);
}
function keys(){
return this.pluck('key');
}
function values(){
return this.pluck('value');
}
function index(value){
var match=this.detect(function(pair){
return pair.value===value;
});
return match&&match.key;
}
function merge(object){
return this.clone().update(object);
}
function update(object){
return new Hash(object).inject(this,function(result,pair){
result.set(pair.key,pair.value);
return result;
});
}
function toQueryPair(key,value){
if(Object.isUndefined(value))return key;
return key+'='+encodeURIComponent(String.interpret(value));
}
function toQueryString(){
return this.inject([],function(results,pair){
var key=encodeURIComponent(pair.key),values=pair.value;
if(values&&typeof values=='object'){
if(Object.isArray(values))
return results.concat(values.map(toQueryPair.curry(key)));
}else results.push(toQueryPair(key,values));
return results;
}).join('&');
}
function inspect(){
return'#<Hash:{'+this.map(function(pair){
return pair.map(Object.inspect).join(': ');
}).join(', ')+'}>';
}
function toJSON(){
return Object.toJSON(this.toObject());
}
function clone(){
return new Hash(this);
}
return{
initialize:initialize,
_each:_each,
set:set,
get:get,
unset:unset,
toObject:toObject,
toTemplateReplacements:toObject,
keys:keys,
values:values,
index:index,
merge:merge,
update:update,
toQueryString:toQueryString,
inspect:inspect,
toJSON:toJSON,
clone:clone
};
})());
Hash.from=$H;
Object.extend(Number.prototype,(function(){
function toColorPart(){
return this.toPaddedString(2,16);
}
function succ(){
return this+1;
}
function times(iterator,context){
$R(0,this,true).each(iterator,context);
return this;
}
function toPaddedString(length,radix){
var string=this.toString(radix||10);
return'0'.times(length-string.length)+string;
}
function toJSON(){
return isFinite(this)?this.toString():'null';
}
function abs(){
return Math.abs(this);
}
function round(){
return Math.round(this);
}
function ceil(){
return Math.ceil(this);
}
function floor(){
return Math.floor(this);
}
return{
toColorPart:toColorPart,
succ:succ,
times:times,
toPaddedString:toPaddedString,
toJSON:toJSON,
abs:abs,
round:round,
ceil:ceil,
floor:floor
};
})());
function $R(start,end,exclusive){
return new ObjectRange(start,end,exclusive);
}
var ObjectRange=Class.create(Enumerable,(function(){
function initialize(start,end,exclusive){
this.start=start;
this.end=end;
this.exclusive=exclusive;
}
function _each(iterator){
var value=this.start;
while(this.include(value)){
iterator(value);
value=value.succ();
}
}
function include(value){
if(value<this.start)
return false;
if(this.exclusive)
return value<this.end;
return value<=this.end;
}
return{
initialize:initialize,
_each:_each,
include:include
};
})());
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);
if(!this.options.asynchronous&&this.transport.overrideMimeType)
this.onStateChange();
}
catch(e){
this.dispatchException(e);
}
},
onStateChange:function(){
var readyState=this.transport.readyState;
if(readyState>1&&!((readyState==4)&&this._complete))
this.respondToReadyState(this.transport.readyState);
},
setRequestHeaders:function(){
var headers={
'X-Requested-With':'XMLHttpRequest',
'X-Prototype-Version':Prototype.Version,
'Accept':'text/javascript, text/html, application/xml, text/xml, */*'
};
if(this.method=='post'){
headers['Content-type']=this.options.contentType+
(this.options.encoding?'; charset='+this.options.encoding:'');
if(this.transport.overrideMimeType&&
(navigator.userAgent.match(/Gecko\/(\d{4})/)||[0,2005])[1]<2005)
headers['Connection']='close';
}
if(typeof this.options.requestHeaders=='object'){
var extras=this.options.requestHeaders;
if(Object.isFunction(extras.push))
for(var i=0,length=extras.length;i<length;i+=2)
headers[extras[i]]=extras[i+1];
else
$H(extras).each(function(pair){headers[pair.key]=pair.value});
}
for(var name in headers)
this.transport.setRequestHeader(name,headers[name]);
},
success:function(){
var status=this.getStatus();
return!status||(status>=200&&status<300);
},
getStatus:function(){
try{
return this.transport.status||0;
}catch(e){return 0}
},
respondToReadyState:function(readyState){
var state=Ajax.Request.Events[readyState],response=new Ajax.Response(this);
if(state=='Complete'){
try{
this._complete=true;
(this.options['on'+response.status]
||this.options['on'+(this.success()?'Success':'Failure')]
||Prototype.emptyFunction)(response,response.headerJSON);
}catch(e){
this.dispatchException(e);
}
var contentType=response.getHeader('Content-type');
if(this.options.evalJS=='force'
||(this.options.evalJS&&this.isSameOrigin()&&contentType
&&contentType.match(/^\s*(text|application)\/(x-)?(java|ecma)script(;.*)?\s*$/i)))
this.evalResponse();
}
try{
(this.options['on'+state]||Prototype.emptyFunction)(response,response.headerJSON);
Ajax.Responders.dispatch('on'+state,this,response,response.headerJSON);
}catch(e){
this.dispatchException(e);
}
if(state=='Complete'){
this.transport.onreadystatechange=Prototype.emptyFunction;
}
},
isSameOrigin:function(){
var m=this.url.match(/^\s*https?:\/\/[^\/]*/);
return!m||(m[0]=='#{protocol}//#{domain}#{port}'.interpolate({
protocol:location.protocol,
domain:document.domain,
port:location.port?':'+location.port:''
}));
},
getHeader:function(name){
try{
return this.transport.getResponseHeader(name)||null;
}catch(e){return null;}
},
evalResponse:function(){
try{
return eval((this.transport.responseText||'').unfilterJSON());
}catch(e){
this.dispatchException(e);
}
},
dispatchException:function(exception){
(this.options.onException||Prototype.emptyFunction)(this,exception);
Ajax.Responders.dispatch('onException',this,exception);
}
});
Ajax.Request.Events=
['Uninitialized','Loading','Loaded','Interactive','Complete'];
Ajax.Response=Class.create({
initialize:function(request){
this.request=request;
var transport=this.transport=request.transport,
readyState=this.readyState=transport.readyState;
if((readyState>2&&!Prototype.Browser.IE)||readyState==4){
this.status=this.getStatus();
this.statusText=this.getStatusText();
this.responseText=String.interpret(transport.responseText);
this.headerJSON=this._getHeaderJSON();
}
if(readyState==4){
var xml=transport.responseXML;
this.responseXML=Object.isUndefined(xml)?null:xml;
this.responseJSON=this._getResponseJSON();
}
},
status:0,
statusText:'',
getStatus:Ajax.Request.prototype.getStatus,
getStatusText:function(){
try{
return this.transport.statusText||'';
}catch(e){return''}
},
getHeader:Ajax.Request.prototype.getHeader,
getAllHeaders:function(){
try{
return this.getAllResponseHeaders();
}catch(e){return null}
},
getResponseHeader:function(name){
return this.transport.getResponseHeader(name);
},
getAllResponseHeaders:function(){
return this.transport.getAllResponseHeaders();
},
_getHeaderJSON:function(){
var json=this.getHeader('X-JSON');
if(!json)return null;
json=decodeURIComponent(escape(json));
try{
return json.evalJSON(this.request.options.sanitizeJSON||
!this.request.isSameOrigin());
}catch(e){
this.request.dispatchException(e);
}
},
_getResponseJSON:function(){
var options=this.request.options;
if(!options.evalJSON||(options.evalJSON!='force'&&
!(this.getHeader('Content-type')||'').include('application/json'))||
this.responseText.blank())
return null;
try{
return this.responseText.evalJSON(options.sanitizeJSON||
!this.request.isSameOrigin());
}catch(e){
this.request.dispatchException(e);
}
}
});
Ajax.Updater=Class.create(Ajax.Request,{
initialize:function($super,container,url,options){
this.container={
success:(container.success||container),
failure:(container.failure||(container.success?null:container))
};
options=Object.clone(options);
var onComplete=options.onComplete;
options.onComplete=(function(response,json){
this.updateContent(response.responseText);
if(Object.isFunction(onComplete))onComplete(response,json);
}).bind(this);
$super(url,options);
},
updateContent:function(responseText){
var receiver=this.container[this.success()?'success':'failure'],
options=this.options;
if(!options.evalScripts)responseText=responseText.stripScripts();
if(receiver=$(receiver)){
if(options.insertion){
if(Object.isString(options.insertion)){
var insertion={};insertion[options.insertion]=responseText;
receiver.insert(insertion);
}
else options.insertion(receiver,responseText);
}
else receiver.update(responseText);
}
}
});
Ajax.PeriodicalUpdater=Class.create(Ajax.Base,{
initialize:function($super,container,url,options){
$super(options);
this.onComplete=this.options.onComplete;
this.frequency=(this.options.frequency||2);
this.decay=(this.options.decay||1);
this.updater={};
this.container=container;
this.url=url;
this.start();
},
start:function(){
this.options.onComplete=this.updateComplete.bind(this);
this.onTimerEvent();
},
stop:function(){
this.updater.options.onComplete=undefined;
clearTimeout(this.timer);
(this.onComplete||Prototype.emptyFunction).apply(this,arguments);
},
updateComplete:function(response){
if(this.options.decay){
this.decay=(response.responseText==this.lastText?
this.decay*this.options.decay:1);
this.lastText=response.responseText;
}
this.timer=this.onTimerEvent.bind(this).delay(this.decay*this.frequency);
},
onTimerEvent:function(){
this.updater=new Ajax.Updater(this.container,this.url,this.options);
}
});
function $(element){
if(arguments.length>1){
for(var i=0,elements=[],length=arguments.length;i<length;i++)
elements.push($(arguments[i]));
return elements;
}
if(Object.isString(element))
element=document.getElementById(element);
return Element.extend(element);
}
if(Prototype.BrowserFeatures.XPath){
document._getElementsByXPath=function(expression,parentElement){
var results=[];
var query=document.evaluate(expression,$(parentElement)||document,
null,XPathResult.ORDERED_NODE_SNAPSHOT_TYPE,null);
for(var i=0,length=query.snapshotLength;i<length;i++)
results.push(Element.extend(query.snapshotItem(i)));
return results;
};
}
if(!window.Node)var Node={};
if(!Node.ELEMENT_NODE){
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(global){
var SETATTRIBUTE_IGNORES_NAME=(function(){
var elForm=document.createElement("form");
var elInput=document.createElement("input");
var root=document.documentElement;
elInput.setAttribute("name","test");
elForm.appendChild(elInput);
root.appendChild(elForm);
var isBuggy=elForm.elements
?(typeof elForm.elements.test=="undefined")
:null;
root.removeChild(elForm);
elForm=elInput=null;
return isBuggy;
})();
var element=global.Element;
global.Element=function(tagName,attributes){
attributes=attributes||{};
tagName=tagName.toLowerCase();
var cache=Element.cache;
if(SETATTRIBUTE_IGNORES_NAME&&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(global.Element,element||{});
if(element)global.Element.prototype=element.prototype;
})(this);
Element.cache={};
Element.idCounter=1;
Element.Methods={
visible:function(element){
return $(element).style.display!='none';
},
toggle:function(element){
element=$(element);
Element[Element.visible(element)?'hide':'show'](element);
return element;
},
hide:function(element){
element=$(element);
element.style.display='none';
return element;
},
show:function(element){
element=$(element);
element.style.display='';
return element;
},
remove:function(element){
element=$(element);
element.parentNode.removeChild(element);
return element;
},
update:(function(){
var SELECT_ELEMENT_INNERHTML_BUGGY=(function(){
var el=document.createElement("select"),
isBuggy=true;
el.innerHTML="<option value=\"test\">test</option>";
if(el.options&&el.options[0]){
isBuggy=el.options[0].nodeName.toUpperCase()!=="OPTION";
}
el=null;
return isBuggy;
})();
var TABLE_ELEMENT_INNERHTML_BUGGY=(function(){
try{
var el=document.createElement("table");
if(el&&el.tBodies){
el.innerHTML="<tbody><tr><td>test</td></tr></tbody>";
var isBuggy=typeof el.tBodies[0]=="undefined";
el=null;
return isBuggy;
}
}catch(e){
return true;
}
})();
var SCRIPT_ELEMENT_REJECTS_TEXTNODE_APPENDING=(function(){
var s=document.createElement("script"),
isBuggy=false;
try{
s.appendChild(document.createTextNode(""));
isBuggy=!s.firstChild||
s.firstChild&&s.firstChild.nodeType!==3;
}catch(e){
isBuggy=true;
}
s=null;
return isBuggy;
})();
function update(element,content){
element=$(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==='SCRIPT'&&SCRIPT_ELEMENT_REJECTS_TEXTNODE_APPENDING){
element.text=content;
return element;
}
if(SELECT_ELEMENT_INNERHTML_BUGGY||TABLE_ELEMENT_INNERHTML_BUGGY){
if(tagName in Element._insertionTranslations.tags){
while(element.firstChild){
element.removeChild(element.firstChild);
}
Element._getContentFromAnonymousElement(tagName,content.stripScripts())
.each(function(node){
element.appendChild(node)
});
}
else{
element.innerHTML=content.stripScripts();
}
}
else{
element.innerHTML=content.stripScripts();
}
content.evalScripts.bind(content).defer();
return element;
}
return update;
})(),
replace:function(element,content){
element=$(element);
if(content&&content.toElement)content=content.toElement();
else if(!Object.isElement(content)){
content=Object.toHTML(content);
var range=element.ownerDocument.createRange();
range.selectNode(element);
content.evalScripts.bind(content).defer();
content=range.createContextualFragment(content.stripScripts());
}
element.parentNode.replaceChild(content,element);
return element;
},
insert:function(element,insertions){
element=$(element);
if(Object.isString(insertions)||Object.isNumber(insertions)||
Object.isElement(insertions)||(insertions&&(insertions.toElement||insertions.toHTML)))
insertions={bottom:insertions};
var content,insert,tagName,childNodes;
for(var position in insertions){
content=insertions[position];
position=position.toLowerCase();
insert=Element._insertionTranslations[position];
if(content&&content.toElement)content=content.toElement();
if(Object.isElement(content)){
insert(element,content);
continue;
}
content=Object.toHTML(content);
tagName=((position=='before'||position=='after')
?element.parentNode:element).tagName.toUpperCase();
childNodes=Element._getContentFromAnonymousElement(tagName,content.stripScripts());
if(position=='top'||position=='after')childNodes.reverse();
childNodes.each(insert.curry(element));
content.evalScripts.bind(content).defer();
}
return element;
},
wrap:function(element,wrapper,attributes){
element=$(element);
if(Object.isElement(wrapper))
$(wrapper).writeAttribute(attributes||{});
else if(Object.isString(wrapper))wrapper=new Element(wrapper,attributes);
else wrapper=new Element('div',wrapper);
if(element.parentNode)
element.parentNode.replaceChild(wrapper,element);
wrapper.appendChild(element);
return wrapper;
},
inspect:function(element){
element=$(element);
var result='<'+element.tagName.toLowerCase();
$H({'id':'id','className':'class'}).each(function(pair){
var property=pair.first(),attribute=pair.last();
var value=(element[property]||'').toString();
if(value)result+=' '+attribute+'='+value.inspect(true);
});
return result+'>';
},
recursivelyCollect:function(element,property){
element=$(element);
var elements=[];
while(element=element[property])
if(element.nodeType==1)
elements.push(Element.extend(element));
return elements;
},
ancestors:function(element){
return Element.recursivelyCollect(element,'parentNode');
},
descendants:function(element){
return Element.select(element,"*");
},
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($(element).nextSiblings());
return[];
},
previousSiblings:function(element){
return Element.recursivelyCollect(element,'previousSibling');
},
nextSiblings:function(element){
return Element.recursivelyCollect(element,'nextSibling');
},
siblings:function(element){
element=$(element);
return Element.previousSiblings(element).reverse()
.concat(Element.nextSiblings(element));
},
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 $(element.parentNode);
var ancestors=Element.ancestors(element);
return Object.isNumber(expression)?ancestors[expression]:
Selector.findElement(ancestors,expression,index);
},
down:function(element,expression,index){
element=$(element);
if(arguments.length==1)return Element.firstDescendant(element);
return Object.isNumber(expression)?Element.descendants(element)[expression]:
Element.select(element,expression)[index||0];
},
previous:function(element,expression,index){
element=$(element);
if(arguments.length==1)return $(Selector.handlers.previousElementSibling(element));
var previousSiblings=Element.previousSiblings(element);
return Object.isNumber(expression)?previousSiblings[expression]:
Selector.findElement(previousSiblings,expression,index);
},
next:function(element,expression,index){
element=$(element);
if(arguments.length==1)return $(Selector.handlers.nextElementSibling(element));
var nextSiblings=Element.nextSiblings(element);
return Object.isNumber(expression)?nextSiblings[expression]:
Selector.findElement(nextSiblings,expression,index);
},
select:function(element){
var args=Array.prototype.slice.call(arguments,1);
return Selector.findChildElements(element,args);
},
adjacent:function(element){
var args=Array.prototype.slice.call(arguments,1);
return Selector.findChildElements(element.parentNode,args).without(element);
},
identify:function(element){
element=$(element);
var id=Element.readAttribute(element,'id');
if(id)return id;
do{id='anonymous_element_'+Element.idCounter++}while($(id));
Element.writeAttribute(element,'id',id);
return id;
},
readAttribute:function(element,name){
element=$(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=$(element);
var attributes={},t=Element._attributeTranslations.write;
if(typeof name=='object')attributes=name;
else attributes[name]=Object.isUndefined(value)?true:value;
for(var attr in attributes){
name=t.names[attr]||attr;
value=attributes[attr];
if(t.values[attr])name=t.values[attr](element,value);
if(value===false||value===null)
element.removeAttribute(name);
else if(value===true)
element.setAttribute(name,name);
else element.setAttribute(name,value);
}
return element;
},
getHeight:function(element){
return Element.getDimensions(element).height;
},
getWidth:function(element){
return Element.getDimensions(element).width;
},
classNames:function(element){
return new Element.ClassNames(element);
},
hasClassName:function(element,className){
if(!(element=$(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(element,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=$(element)))return;
return Element[Element.hasClassName(element,className)?
'removeClassName':'addClassName'](element,className);
},
cleanWhitespace:function(element){
element=$(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=$(ancestor);
if(element.compareDocumentPosition)
return(element.compareDocumentPosition(ancestor)&8)===8;
if(ancestor.contains)
return ancestor.contains(element)&&ancestor!==element;
while(element=element.parentNode)
if(element==ancestor)return true;
return false;
},
scrollTo:function(element){
element=$(element);
var pos=Element.cumulativeOffset(element);
window.scrollTo(pos[0],pos[1]);
return element;
},
getStyle:function(element,style){
element=$(element);
style=style=='float'?'cssFloat':style.camelize();
var value=element.style[style];
if(!value||value=='auto'){
var css=document.defaultView.getComputedStyle(element,null);
value=css?css[style]:null;
}
if(style=='opacity')return value?parseFloat(value):1.0;
return value=='auto'?null:value;
},
getOpacity:function(element){
return $(element).getStyle('opacity');
},
setStyle:function(element,styles){
element=$(element);
var elementStyle=element.style,match;
if(Object.isString(styles)){
element.style.cssText+=';'+styles;
return styles.include('opacity')?
element.setOpacity(styles.match(/opacity:\s*(\d?\.?\d*)/)[1]):element;
}
for(var property in styles)
if(property=='opacity')element.setOpacity(styles[property]);
else
elementStyle[(property=='float'||property=='cssFloat')?
(Object.isUndefined(elementStyle.styleFloat)?'cssFloat':'styleFloat'):
property]=styles[property];
return element;
},
setOpacity:function(element,value){
element=$(element);
element.style.opacity=(value==1||value==='')?'':
(value<0.00001)?0:value;
return element;
},
getDimensions:function(element){
element=$(element);
var display=Element.getStyle(element,'display');
if(display!='none'&&display!=null)
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';
if(originalPosition!='fixed')
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=$(element);
var pos=Element.getStyle(element,'position');
if(pos=='static'||!pos){
element._madePositioned=true;
element.style.position='relative';
if(Prototype.Browser.Opera){
element.style.top=0;
element.style.left=0;
}
}
return element;
},
undoPositioned:function(element){
element=$(element);
if(element._madePositioned){
element._madePositioned=undefined;
element.style.position=
element.style.top=
element.style.left=
element.style.bottom=
element.style.right='';
}
return element;
},
makeClipping:function(element){
element=$(element);
if(element._overflow)return element;
element._overflow=Element.getStyle(element,'overflow')||'auto';
if(element._overflow!=='hidden')
element.style.overflow='hidden';
return element;
},
undoClipping:function(element){
element=$(element);
if(!element._overflow)return element;
element.style.overflow=element._overflow=='auto'?'':element._overflow;
element._overflow=null;
return element;
},
cumulativeOffset:function(element){
var valueT=0,valueL=0;
do{
valueT+=element.offsetTop||0;
valueL+=element.offsetLeft||0;
element=element.offsetParent;
}while(element);
return Element._returnOffset(valueL,valueT);
},
positionedOffset:function(element){
var valueT=0,valueL=0;
do{
valueT+=element.offsetTop||0;
valueL+=element.offsetLeft||0;
element=element.offsetParent;
if(element){
if(element.tagName.toUpperCase()=='BODY')break;
var p=Element.getStyle(element,'position');
if(p!=='static')break;
}
}while(element);
return Element._returnOffset(valueL,valueT);
},
absolutize:function(element){
element=$(element);
if(Element.getStyle(element,'position')=='absolute')return element;
var offsets=Element.positionedOffset(element);
var top=offsets[1];
var left=offsets[0];
var width=element.clientWidth;
var height=element.clientHeight;
element._originalLeft=left-parseFloat(element.style.left||0);
element._originalTop=top-parseFloat(element.style.top||0);
element._originalWidth=element.style.width;
element._originalHeight=element.style.height;
element.style.position='absolute';
element.style.top=top+'px';
element.style.left=left+'px';
element.style.width=width+'px';
element.style.height=height+'px';
return element;
},
relativize:function(element){
element=$(element);
if(Element.getStyle(element,'position')=='relative')return element;
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 $(document.body);
},
viewportOffset:function(forElement){
var valueT=0,valueL=0;
var element=forElement;
do{
valueT+=element.offsetTop||0;
valueL+=element.offsetLeft||0;
if(element.offsetParent==document.body&&
Element.getStyle(element,'position')=='absolute')break;
}while(element=element.offsetParent);
element=forElement;
do{
if(!Prototype.Browser.Opera||(element.tagName&&(element.tagName.toUpperCase()=='BODY'))){
valueT-=element.scrollTop||0;
valueL-=element.scrollLeft||0;
}
}while(element=element.parentNode);
return Element._returnOffset(valueL,valueT);
},
clonePosition:function(element,source){
var options=Object.extend({
setLeft:true,
setTop:true,
setWidth:true,
setHeight:true,
offsetTop:0,
offsetLeft:0
},arguments[2]||{});
source=$(source);
var p=Element.viewportOffset(source);
element=$(element);
var delta=[0,0];
var parent=null;
if(Element.getStyle(element,'position')=='absolute'){
parent=Element.getOffsetParent(element);
delta=Element.viewportOffset(parent);
}
if(parent==document.body){
delta[0]-=document.body.offsetLeft;
delta[1]-=document.body.offsetTop;
}
if(options.setLeft)element.style.left=(p[0]-delta[0]+options.offsetLeft)+'px';
if(options.setTop)element.style.top=(p[1]-delta[1]+options.offsetTop)+'px';
if(options.setWidth)element.style.width=source.offsetWidth+'px';
if(options.setHeight)element.style.height=source.offsetHeight+'px';
return element;
}
};
Object.extend(Element.Methods,{
getElementsBySelector:Element.Methods.select,
childElements:Element.Methods.immediateDescendants
});
Element._attributeTranslations={
write:{
names:{
className:'class',
htmlFor:'for'
},
values:{}
}
};
if(Prototype.Browser.Opera){
Element.Methods.getStyle=Element.Methods.getStyle.wrap(
function(proceed,element,style){
switch(style){
case'left':case'top':case'right':case'bottom':
if(proceed(element,'position')==='static')return null;
case'height':case'width':
if(!Element.visible(element))return null;
var dim=parseInt(proceed(element,style),10);
if(dim!==element['offset'+style.capitalize()])
return dim+'px';
var properties;
if(style==='height'){
properties=['border-top-width','padding-top',
'padding-bottom','border-bottom-width'];
}
else{
properties=['border-left-width','padding-left',
'padding-right','border-right-width'];
}
return properties.inject(dim,function(memo,property){
var val=proceed(element,property);
return val===null?memo:memo-parseInt(val,10);
})+'px';
default:return proceed(element,style);
}
}
);
Element.Methods.readAttribute=Element.Methods.readAttribute.wrap(
function(proceed,element,attribute){
if(attribute==='title')return element.title;
return proceed(element,attribute);
}
);
}
else if(Prototype.Browser.IE){
Element.Methods.getOffsetParent=Element.Methods.getOffsetParent.wrap(
function(proceed,element){
element=$(element);
try{element.offsetParent}
catch(e){return $(document.body)}
var position=element.getStyle('position');
if(position!=='static')return proceed(element);
element.setStyle({position:'relative'});
var value=proceed(element);
element.setStyle({position:position});
return value;
}
);
$w('positionedOffset viewportOffset').each(function(method){
Element.Methods[method]=Element.Methods[method].wrap(
function(proceed,element){
element=$(element);
try{element.offsetParent}
catch(e){return Element._returnOffset(0,0)}
var position=element.getStyle('position');
if(position!=='static')return proceed(element);
var offsetParent=element.getOffsetParent();
if(offsetParent&&offsetParent.getStyle('position')==='fixed')
offsetParent.setStyle({zoom:1});
element.setStyle({position:'relative'});
var value=proceed(element);
element.setStyle({position:position});
return value;
}
);
});
Element.Methods.cumulativeOffset=Element.Methods.cumulativeOffset.wrap(
function(proceed,element){
try{element.offsetParent}
catch(e){return Element._returnOffset(0,0)}
return proceed(element);
}
);
Element.Methods.getStyle=function(element,style){
element=$(element);
style=(style=='float'||style=='cssFloat')?'styleFloat':style.camelize();
var value=element.style[style];
if(!value&&element.currentStyle)value=element.currentStyle[style];
if(style=='opacity'){
if(value=(element.getStyle('filter')||'').match(/alpha\(opacity=(.*)\)/))
if(value[1])return parseFloat(value[1])/100;
return 1.0;
}
if(value=='auto'){
if((style=='width'||style=='height')&&(element.getStyle('display')!='none'))
return element['offset'+style.capitalize()]+'px';
return null;
}
return value;
};
Element.Methods.setOpacity=function(element,value){
function stripAlpha(filter){
return filter.replace(/alpha\([^\)]*\)/gi,'');
}
element=$(element);
var currentStyle=element.currentStyle;
if((currentStyle&&!currentStyle.hasLayout)||
(!currentStyle&&element.style.zoom=='normal'))
element.style.zoom=1;
var filter=element.getStyle('filter'),style=element.style;
if(value==1||value===''){
(filter=stripAlpha(filter))?
style.filter=filter:style.removeAttribute('filter');
return element;
}else if(value<0.00001)value=0;
style.filter=stripAlpha(filter)+
'alpha(opacity='+(value*100)+')';
return element;
};
Element._attributeTranslations=(function(){
var classProp='className';
var forProp='for';
var el=document.createElement('div');
el.setAttribute(classProp,'x');
if(el.className!=='x'){
el.setAttribute('class','x');
if(el.className==='x'){
classProp='class';
}
}
el=null;
el=document.createElement('label');
el.setAttribute(forProp,'x');
if(el.htmlFor!=='x'){
el.setAttribute('htmlFor','x');
if(el.htmlFor==='x'){
forProp='htmlFor';
}
}
el=null;
return{
read:{
names:{
'class':classProp,
'className':classProp,
'for':forProp,
'htmlFor':forProp
},
values:{
_getAttr:function(element,attribute){
return element.getAttribute(attribute);
},
_getAttr2:function(element,attribute){
return element.getAttribute(attribute,2);
},
_getAttrNode:function(element,attribute){
var node=element.getAttributeNode(attribute);
return node?node.value:"";
},
_getEv:(function(){
var el=document.createElement('div');
el.onclick=Prototype.emptyFunction;
var value=el.getAttribute('onclick');
var f;
if(String(value).indexOf('{')>-1){
f=function(element,attribute){
attribute=element.getAttribute(attribute);
if(!attribute)return null;
attribute=attribute.toString();
attribute=attribute.split('{')[1];
attribute=attribute.split('}')[0];
return attribute.strip();
};
}
else if(value===''){
f=function(element,attribute){
attribute=element.getAttribute(attribute);
if(!attribute)return null;
return attribute.strip();
};
}
el=null;
return f;
})(),
_flag:function(element,attribute){
return $(element).hasAttribute(attribute)?attribute:null;
},
style:function(element){
return element.style.cssText.toLowerCase();
},
title:function(element){
return element.title;
}
}
}
}
})();
Element._attributeTranslations.write={
names:Object.extend({
cellpadding:'cellPadding',
cellspacing:'cellSpacing'
},Element._attributeTranslations.read.names),
values:{
checked:function(element,value){
element.checked=!!value;
},
style:function(element,value){
element.style.cssText=value?value:'';
}
}
};
Element._attributeTranslations.has={};
$w('colSpan rowSpan vAlign dateTime accessKey tabIndex '+
'encType maxLength readOnly longDesc frameBorder').each(function(attr){
Element._attributeTranslations.write.names[attr.toLowerCase()]=attr;
Element._attributeTranslations.has[attr.toLowerCase()]=attr;
});
(function(v){
Object.extend(v,{
href:v._getAttr2,
src:v._getAttr2,
type:v._getAttr,
action:v._getAttrNode,
disabled:v._flag,
checked:v._flag,
readonly:v._flag,
multiple:v._flag,
onload:v._getEv,
onunload:v._getEv,
onclick:v._getEv,
ondblclick:v._getEv,
onmousedown:v._getEv,
onmouseup:v._getEv,
onmouseover:v._getEv,
onmousemove:v._getEv,
onmouseout:v._getEv,
onfocus:v._getEv,
onblur:v._getEv,
onkeypress:v._getEv,
onkeydown:v._getEv,
onkeyup:v._getEv,
onsubmit:v._getEv,
onreset:v._getEv,
onselect:v._getEv,
onchange:v._getEv
});
})(Element._attributeTranslations.read.values);
if(Prototype.BrowserFeatures.ElementExtensions){
(function(){
function _descendants(element){
var nodes=element.getElementsByTagName('*'),results=[];
for(var i=0,node;node=nodes[i];i++)
if(node.tagName!=="!")
results.push(node);
return results;
}
Element.Methods.down=function(element,expression,index){
element=$(element);
if(arguments.length==1)return element.firstDescendant();
return Object.isNumber(expression)?_descendants(element)[expression]:
Element.select(element,expression)[index||0];
}
})();
}
}
else if(Prototype.Browser.Gecko&&/rv:1\.8\.0/.test(navigator.userAgent)){
Element.Methods.setOpacity=function(element,value){
element=$(element);
element.style.opacity=(value==1)?0.999999:
(value==='')?'':(value<0.00001)?0:value;
return element;
};
}
else if(Prototype.Browser.WebKit){
Element.Methods.setOpacity=function(element,value){
element=$(element);
element.style.opacity=(value==1||value==='')?'':
(value<0.00001)?0:value;
if(value==1)
if(element.tagName.toUpperCase()=='IMG'&&element.width){
element.width++;element.width--;
}else try{
var n=document.createTextNode(' ');
element.appendChild(n);
element.removeChild(n);
}catch(e){}
return element;
};
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('outerHTML'in document.documentElement){
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 $A(div.childNodes);
};
Element._insertionTranslations={
before:function(element,node){
element.parentNode.insertBefore(node,element);
},
top:function(element,node){
element.insertBefore(node,element.firstChild);
},
bottom:function(element,node){
element.appendChild(node);
},
after:function(element,node){
element.parentNode.insertBefore(node,element.nextSibling);
},
tags:{
TABLE:['<table>','</table>',1],
TBODY:['<table><tbody>','</tbody></table>',2],
TR:['<table><tbody><tr>','</tr></tbody></table>',3],
TD:['<table><tbody><tr><td>','</td></tr></tbody></table>',4],
SELECT:['<select>','</select>',1]
}
};
(function(){
var tags=Element._insertionTranslations.tags;
Object.extend(tags,{
THEAD:tags.TBODY,
TFOOT:tags.TBODY,
TH:tags.TD
});
})();
Element.Methods.Simulated={
hasAttribute:function(element,attribute){
attribute=Element._attributeTranslations.has[attribute]||attribute;
var node=$(element).getAttributeNode(attribute);
return!!(node&&node.specified);
}
};
Element.Methods.ByTag={};
Object.extend(Element,Element.Methods);
(function(div){
if(!Prototype.BrowserFeatures.ElementExtensions&&div['__proto__']){
window.HTMLElement={};
window.HTMLElement.prototype=div['__proto__'];
Prototype.BrowserFeatures.ElementExtensions=true;
}
div=null;
})(document.createElement('div'))
Element.extend=(function(){
function checkDeficiency(tagName){
if(typeof window.Element!='undefined'){
var proto=window.Element.prototype;
if(proto){
var id='_'+(Math.random()+'').slice(2);
var el=document.createElement(tagName);
proto[id]='x';
var isBuggy=(el[id]!=='x');
delete proto[id];
el=null;
return isBuggy;
}
}
return false;
}
function extendElementWith(element,methods){
for(var property in methods){
var value=methods[property];
if(Object.isFunction(value)&&!(property in element))
element[property]=value.methodize();
}
}
var HTMLOBJECTELEMENT_PROTOTYPE_BUGGY=checkDeficiency('object');
if(Prototype.BrowserFeatures.SpecificElementExtensions){
if(HTMLOBJECTELEMENT_PROTOTYPE_BUGGY){
return function(element){
if(element&&typeof element._extendedByPrototype=='undefined'){
var t=element.tagName;
if(t&&(/^(?:object|applet|embed)$/i.test(t))){
extendElementWith(element,Element.Methods);
extendElementWith(element,Element.Methods.Simulated);
extendElementWith(element,Element.Methods.ByTag[t.toUpperCase()]);
}
}
return element;
}
}
return Prototype.K;
}
var Methods={},ByTag=Element.Methods.ByTag;
var extend=Object.extend(function(element){
if(!element||typeof element._extendedByPrototype!='undefined'||
element.nodeType!=1||element==window)return element;
var methods=Object.clone(Methods),
tagName=element.tagName.toUpperCase();
if(ByTag[tagName])Object.extend(methods,ByTag[tagName]);
extendElementWith(element,methods);
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];
var element=document.createElement(tagName);
var proto=element['__proto__']||element.constructor.prototype;
element=null;
return proto;
}
var elementPrototype=window.HTMLElement?HTMLElement.prototype:
Element.prototype;
if(F.ElementExtensions){
copy(Element.Methods,elementPrototype);
copy(Element.Methods.Simulated,elementPrototype,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(){
return{width:this.getWidth(),height:this.getHeight()};
},
getScrollOffsets:function(){
return Element._returnOffset(
window.pageXOffset||document.documentElement.scrollLeft||document.body.scrollLeft,
window.pageYOffset||document.documentElement.scrollTop||document.body.scrollTop);
}
};
(function(viewport){
var B=Prototype.Browser,doc=document,element,property={};
function getRootElement(){
if(B.WebKit&&!doc.evaluate)
return document;
if(B.Opera&&window.parseFloat(window.opera.version())<9.5)
return document.body;
return document.documentElement;
}
function define(D){
if(!element)element=getRootElement();
property[D]='client'+D;
viewport['get'+D]=function(){return element[property[D]]};
return viewport['get'+D]();
}
viewport.getWidth=define.curry('Width');
viewport.getHeight=define.curry('Height');
})(document.viewport);
Element.Storage={
UID:1
};
Element.addMethods({
getStorage:function(element){
if(!(element=$(element)))return;
var uid;
if(element===window){
uid=0;
}else{
if(typeof element._prototypeUID==="undefined")
element._prototypeUID=[Element.Storage.UID++];
uid=element._prototypeUID[0];
}
if(!Element.Storage[uid])
Element.Storage[uid]=$H();
return Element.Storage[uid];
},
store:function(element,key,value){
if(!(element=$(element)))return;
if(arguments.length===2){
Element.getStorage(element).update(key);
}else{
Element.getStorage(element).set(key,value);
}
return element;
},
retrieve:function(element,key,defaultValue){
if(!(element=$(element)))return;
var hash=Element.getStorage(element),value=hash.get(key);
if(Object.isUndefined(value)){
hash.set(key,defaultValue);
value=defaultValue;
}
return value;
},
clone:function(element,deep){
if(!(element=$(element)))return;
var clone=element.cloneNode(deep);
clone._prototypeUID=void 0;
if(deep){
var descendants=Element.select(clone,'*'),
i=descendants.length;
while(i--){
descendants[i]._prototypeUID=void 0;
}
}
return Element.extend(clone);
}
});
var Selector=Class.create({
initialize:function(expression){
this.expression=expression.strip();
if(this.shouldUseSelectorsAPI()){
this.mode='selectorsAPI';
}else if(this.shouldUseXPath()){
this.mode='xpath';
this.compileXPathMatcher();
}else{
this.mode="normal";
this.compileMatcher();
}
},
shouldUseXPath:(function(){
var IS_DESCENDANT_SELECTOR_BUGGY=(function(){
var isBuggy=false;
if(document.evaluate&&window.XPathResult){
var el=document.createElement('div');
el.innerHTML='<ul><li></li></ul><div><ul><li></li></ul></div>';
var xpath=".//*[local-name()='ul' or local-name()='UL']"+
"//*[local-name()='li' or local-name()='LI']";
var result=document.evaluate(xpath,el,null,
XPathResult.ORDERED_NODE_SNAPSHOT_TYPE,null);
isBuggy=(result.snapshotLength!==2);
el=null;
}
return isBuggy;
})();
return 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(e))
return false;
if(IS_DESCENDANT_SELECTOR_BUGGY)return false;
return true;
}
})(),
shouldUseSelectorsAPI:function(){
if(!Prototype.BrowserFeatures.SelectorsAPI)return false;
if(Selector.CASE_INSENSITIVE_CLASS_NAMES)return false;
if(!Selector._div)Selector._div=new Element('div');
try{
Selector._div.querySelector(this.expression);
}catch(e){
return false;
}
return true;
},
compileMatcher:function(){
var e=this.expression,ps=Selector.patterns,h=Selector.handlers,
c=Selector.criteria,le,p,m,len=ps.length,name;
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=0;i<len;i++){
p=ps[i].re;
name=ps[i].name;
if(m=e.match(p)){
this.matcher.push(Object.isFunction(c[name])?c[name](m):
new Template(c[name]).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,len=ps.length,name;
if(Selector._cache[e]){
this.xpath=Selector._cache[e];return;
}
this.matcher=['.//*'];
while(e&&le!=e&&(/\S/).test(e)){
le=e;
for(var i=0;i<len;i++){
name=ps[i].name;
if(m=e.match(ps[i].re)){
this.matcher.push(Object.isFunction(x[name])?x[name](m):
new Template(x[name]).evaluate(m));
e=e.replace(m[0],'');
break;
}
}
}
this.xpath=this.matcher.join('');
Selector._cache[this.expression]=this.xpath;
},
findElements:function(root){
root=root||document;
var e=this.expression,results;
switch(this.mode){
case'selectorsAPI':
if(root!==document){
var oldId=root.id,id=$(root).identify();
id=id.replace(/([\.:])/g,"\\$1");
e="#"+id+" "+e;
}
results=$A(root.querySelectorAll(e)).map(Element.extend);
root.id=oldId;
return results;
case'xpath':
return document._getElementsByXPath(this.xpath,root);
default:
return this.matcher(root);
}
},
match:function(element){
this.tokens=[];
var e=this.expression,ps=Selector.patterns,as=Selector.assertions;
var le,p,m,len=ps.length,name;
while(e&&le!==e&&(/\S/).test(e)){
le=e;
for(var i=0;i<len;i++){
p=ps[i].re;
name=ps[i].name;
if(m=e.match(p)){
if(as[name]){
this.tokens.push([name,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()+">";
}
});
if(Prototype.BrowserFeatures.SelectorsAPI&&
document.compatMode==='BackCompat'){
Selector.CASE_INSENSITIVE_CLASS_NAMES=(function(){
var div=document.createElement('div'),
span=document.createElement('span');
div.id="prototype_test_id";
span.className='Test';
div.appendChild(span);
var isIgnored=(div.querySelector('#prototype_test_id .test')!==null);
div=span=null;
return isIgnored;
})();
}
Object.extend(Selector,{
_cache:{},
xpath:{
descendant:"//*",
child:"/*",
adjacent:"/following-sibling::*[1]",
laterSibling:'/following-sibling::*',
tagName:function(m){
if(m[1]=='*')return'';
return"[local-name()='"+m[1].toLowerCase()+
"' or local-name()='"+m[1].toUpperCase()+"']";
},
className:"[contains(concat(' ', @class, ' '), ' #{1} ')]",
id:"[@id='#{1}']",
attrPresence:function(m){
m[1]=m[1].toLowerCase();
return new Template("[@#{1}]").evaluate(m);
},
attr:function(m){
m[1]=m[1].toLowerCase();
m[3]=m[5]||m[6];
return new Template(Selector.xpath.operators[m[2]]).evaluate(m);
},
pseudo:function(m){
var h=Selector.xpath.pseudos[m[1]];
if(!h)return'';
if(Object.isFunction(h))return h(m);
return new Template(Selector.xpath.pseudos[m[1]]).evaluate(m);
},
operators:{
'=':"[@#{1}='#{3}']",
'!=':"[@#{1}!='#{3}']",
'^=':"[starts-with(@#{1}, '#{3}')]",
'$=':"[substring(@#{1}, (string-length(@#{1}) - string-length('#{3}') + 1))='#{3}']",
'*=':"[contains(@#{1}, '#{3}')]",
'~=':"[contains(concat(' ', @#{1}, ' '), ' #{3} ')]",
'|=':"[contains(concat('-', @#{1}, '-'), '-#{3}-')]"
},
pseudos:{
'first-child':'[not(preceding-sibling::*)]',
'last-child':'[not(following-sibling::*)]',
'only-child':'[not(preceding-sibling::* or following-sibling::*)]',
'empty':"[count(*) = 0 and (count(text()) = 0)]",
'checked':"[@checked]",
'disabled':"[(@disabled) and (@type!='hidden')]",
'enabled':"[not(@disabled) and (@type!='hidden')]",
'not':function(m){
var e=m[6],p=Selector.patterns,
x=Selector.xpath,le,v,len=p.length,name;
var exclusion=[];
while(e&&le!=e&&(/\S/).test(e)){
le=e;
for(var i=0;i<len;i++){
name=p[i].name
if(m=e.match(p[i].re)){
v=Object.isFunction(x[name])?x[name](m):new Template(x[name]).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+)$/))
return'['+fragment+"= "+mm[1]+']';
if(mm=formula.match(/^(-?\d*)?n(([+-])(\d+))?/)){
if(mm[1]=="-")mm[1]=-1;
var a=mm[1]?Number(mm[1]):1;
var b=mm[2]?Number(mm[2]):0;
predicate="[((#{fragment} - #{b}) mod #{a} = 0) and "+
"((#{fragment} - #{b}) div #{a} >= 0)]";
return new Template(predicate).evaluate({
fragment:fragment,a:a,b:b});
}
}
}
},
criteria:{
tagName:'n = h.tagName(n, r, "#{1}", c);      c = false;',
className:'n = h.className(n, r, "#{1}", c);    c = false;',
id:'n = h.id(n, r, "#{1}", c);           c = false;',
attrPresence:'n = h.attrPresence(n, r, "#{1}", c); c = false;',
attr:function(m){
m[3]=(m[5]||m[6]);
return new Template('n = h.attr(n, r, "#{1}", "#{3}", "#{2}", c); c = false;').evaluate(m);
},
pseudo:function(m){
if(m[6])m[6]=m[6].replace(/"/g,'\\"');
return new Template('n = h.pseudo(n, "#{1}", "#{6}", r, c); c = false;').evaluate(m);
},
descendant:'c = "descendant";',
child:'c = "child";',
adjacent:'c = "adjacent";',
laterSibling:'c = "laterSibling";'
},
patterns:[
{name:'laterSibling',re:/^\s*~\s*/},
{name:'child',re:/^\s*>\s*/},
{name:'adjacent',re:/^\s*\+\s*/},
{name:'descendant',re:/^\s/},
{name:'tagName',re:/^\s*(\*|[\w\-]+)(\b|$)?/},
{name:'id',re:/^#([\w\-\*]+)(\b|$)/},
{name:'className',re:/^\.([\w\-\*]+)(\b|$)/},
{name:'pseudo',re:/^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|(?=\s|[:+~>]))/},
{name:'attrPresence',re:/^\[((?:[\w-]+:)?[\w-]+)\]/},
{name:'attr',re:/\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\4]*?)\4|([^'"][^\]]*?)))?\]/}
],
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 nodeValue&&Selector.operators[matches[2]](nodeValue,matches[5]||matches[6]);
}
},
handlers:{
concat:function(a,b){
for(var i=0,node;node=b[i];i++)
a.push(node);
return a;
},
mark:function(nodes){
var _true=Prototype.emptyFunction;
for(var i=0,node;node=nodes[i];i++)
node._countedByPrototype=_true;
return nodes;
},
unmark:(function(){
var PROPERTIES_ATTRIBUTES_MAP=(function(){
var el=document.createElement('div'),
isBuggy=false,
propName='_countedByPrototype',
value='x'
el[propName]=value;
isBuggy=(el.getAttribute(propName)===value);
el=null;
return isBuggy;
})();
return PROPERTIES_ATTRIBUTES_MAP?
function(nodes){
for(var i=0,node;node=nodes[i];i++)
node.removeAttribute('_countedByPrototype');
return nodes;
}:
function(nodes){
for(var i=0,node;node=nodes[i];i++)
node._countedByPrototype=void 0;
return nodes;
}
})(),
index:function(parentNode,reverse,ofType){
parentNode._countedByPrototype=Prototype.emptyFunction;
if(reverse){
for(var nodes=parentNode.childNodes,i=nodes.length-1,j=1;i>=0;i--){
var node=nodes[i];
if(node.nodeType==1&&(!ofType||node._countedByPrototype))node.nodeIndex=j++;
}
}else{
for(var i=0,j=1,nodes=parentNode.childNodes;node=nodes[i];i++)
if(node.nodeType==1&&(!ofType||node._countedByPrototype))node.nodeIndex=j++;
}
},
unique:function(nodes){
if(nodes.length==0)return nodes;
var results=[],n;
for(var i=0,l=nodes.length;i<l;i++)
if(typeof(n=nodes[i])._countedByPrototype=='undefined'){
n._countedByPrototype=Prototype.emptyFunction;
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(root==document){
if(!targetNode)return[];
if(!nodes)return[targetNode];
}else{
if(!root.sourceIndex||root.sourceIndex<1){
var nodes=root.getElementsByTagName('*');
for(var j=0,node;node=nodes[j];j++){
if(node.id===id)return[node];
}
}
}
if(nodes){
if(combinator){
if(combinator=='child'){
for(var i=0,node;node=nodes[i];i++)
if(targetNode.parentNode==node)return[targetNode];
}else if(combinator=='descendant'){
for(var i=0,node;node=nodes[i];i++)
if(Element.descendantOf(targetNode,node))return[targetNode];
}else if(combinator=='adjacent'){
for(var i=0,node;node=nodes[i];i++)
if(Selector.handlers.previousElementSibling(targetNode)==node)
return[targetNode];
}else nodes=h[combinator](nodes);
}
for(var i=0,node;node=nodes[i];i++)
if(node==targetNode)return[targetNode];
return[];
}
return(targetNode&&Element.descendantOf(targetNode,root))?[targetNode]:[];
},
className:function(nodes,root,className,combinator){
if(nodes&&combinator)nodes=this[combinator](nodes);
return Selector.handlers.byClassName(nodes,root,className);
},
byClassName:function(nodes,root,className){
if(!nodes)nodes=Selector.handlers.descendant([root]);
var needle=' '+className+' ';
for(var i=0,results=[],node,nodeClassName;node=nodes[i];i++){
nodeClassName=node.className;
if(nodeClassName.length==0)continue;
if(nodeClassName==className||(' '+nodeClassName+' ').include(needle))
results.push(node);
}
return results;
},
attrPresence:function(nodes,root,attr,combinator){
if(!nodes)nodes=root.getElementsByTagName("*");
if(nodes&&combinator)nodes=this[combinator](nodes);
var results=[];
for(var i=0,node;node=nodes[i];i++)
if(Element.hasAttribute(node,attr))results.push(node);
return results;
},
attr:function(nodes,root,attr,value,operator,combinator){
if(!nodes)nodes=root.getElementsByTagName("*");
if(nodes&&combinator)nodes=this[combinator](nodes);
var handler=Selector.operators[operator],results=[];
for(var i=0,node;node=nodes[i];i++){
var nodeValue=Element.readAttribute(node,attr);
if(nodeValue===null)continue;
if(handler(nodeValue,value))results.push(node);
}
return results;
},
pseudo:function(nodes,name,value,root,combinator){
if(nodes&&combinator)nodes=this[combinator](nodes);
if(!nodes)nodes=root.getElementsByTagName("*");
return Selector.pseudos[name](nodes,value,root);
}
},
pseudos:{
'first-child':function(nodes,value,root){
for(var i=0,results=[],node;node=nodes[i];i++){
if(Selector.handlers.previousElementSibling(node))continue;
results.push(node);
}
return results;
},
'last-child':function(nodes,value,root){
for(var i=0,results=[],node;node=nodes[i];i++){
if(Selector.handlers.nextElementSibling(node))continue;
results.push(node);
}
return results;
},
'only-child':function(nodes,value,root){
var h=Selector.handlers;
for(var i=0,results=[],node;node=nodes[i];i++)
if(!h.previousElementSibling(node)&&!h.nextElementSibling(node))
results.push(node);
return results;
},
'nth-child':function(nodes,formula,root){
return Selector.pseudos.nth(nodes,formula,root);
},
'nth-last-child':function(nodes,formula,root){
return Selector.pseudos.nth(nodes,formula,root,true);
},
'nth-of-type':function(nodes,formula,root){
return Selector.pseudos.nth(nodes,formula,root,false,true);
},
'nth-last-of-type':function(nodes,formula,root){
return Selector.pseudos.nth(nodes,formula,root,true,true);
},
'first-of-type':function(nodes,formula,root){
return Selector.pseudos.nth(nodes,"1",root,false,true);
},
'last-of-type':function(nodes,formula,root){
return Selector.pseudos.nth(nodes,"1",root,true,true);
},
'only-of-type':function(nodes,formula,root){
var p=Selector.pseudos;
return p['last-of-type'](p['first-of-type'](nodes,formula,root),formula,root);
},
getIndices:function(a,b,total){
if(a==0)return b>0?[b]:[];
return $R(1,total).inject([],function(memo,i){
if(0==(i-b)%a&&(i-b)/a>=0)memo.push(i);
return memo;
});
},
nth:function(nodes,formula,root,reverse,ofType){
if(nodes.length==0)return[];
if(formula=='even')formula='2n+0';
if(formula=='odd')formula='2n+1';
var h=Selector.handlers,results=[],indexed=[],m;
h.mark(nodes);
for(var i=0,node;node=nodes[i];i++){
if(!node.parentNode._countedByPrototype){
h.index(node.parentNode,reverse,ofType);
indexed.push(node.parentNode);
}
}
if(formula.match(/^\d+$/)){
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+))?/)){
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)continue;
results.push(node);
}
return results;
},
'not':function(nodes,selector,root){
var h=Selector.handlers,selectorType,m;
var exclusions=new Selector(selector).findElements(root);
h.mark(exclusions);
for(var i=0,results=[],node;node=nodes[i];i++)
if(!node._countedByPrototype)results.push(node);
h.unmark(exclusions);
return results;
},
'enabled':function(nodes,value,root){
for(var i=0,results=[],node;node=nodes[i];i++)
if(!node.disabled&&(!node.type||node.type!=='hidden'))
results.push(node);
return results;
},
'disabled':function(nodes,value,root){
for(var i=0,results=[],node;node=nodes[i];i++)
if(node.disabled)results.push(node);
return results;
},
'checked':function(nodes,value,root){
for(var i=0,results=[],node;node=nodes[i];i++)
if(node.checked)results.push(node);
return results;
}
},
operators:{
'=':function(nv,v){return nv==v;},
'!=':function(nv,v){return nv!=v;},
'^=':function(nv,v){return nv==v||nv&&nv.startsWith(v);},
'$=':function(nv,v){return nv==v||nv&&nv.endsWith(v);},
'*=':function(nv,v){return nv==v||nv&&nv.include(v);},
'~=':function(nv,v){return(' '+nv+' ').include(' '+v+' ');},
'|=':function(nv,v){return('-'+(nv||"").toUpperCase()+
'-').include('-'+(v||"").toUpperCase()+'-');}
},
split:function(expression){
var expressions=[];
expression.scan(/(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/,function(m){
expressions.push(m[1].strip());
});
return expressions;
},
matchElements:function(elements,expression){
var matches=$$(expression),h=Selector.handlers;
h.mark(matches);
for(var i=0,results=[],element;element=elements[i];i++)
if(element._countedByPrototype)results.push(element);
h.unmark(matches);
return results;
},
findElement:function(elements,expression,index){
if(Object.isNumber(expression)){
index=expression;expression=false;
}
return Selector.matchElements(elements,expression||'*')[index||0];
},
findChildElements:function(element,expressions){
expressions=Selector.split(expressions.join(','));
var results=[],h=Selector.handlers;
for(var i=0,l=expressions.length,selector;i<l;i++){
selector=new Selector(expressions[i].strip());
h.concat(results,selector.findElements(element));
}
return(l>1)?h.unique(results):results;
}
});
if(Prototype.Browser.IE){
Object.extend(Selector.handlers,{
concat:function(a,b){
for(var i=0,node;node=b[i];i++)
if(node.tagName!=="!")a.push(node);
return a;
}
});
}
function $$(){
return Selector.findChildElements(document,$A(arguments));
}
var Form={
reset:function(form){
form=$(form);
form.reset();
return form;
},
serializeElements:function(elements,options){
if(typeof options!='object')options={hash:!!options};
else if(Object.isUndefined(options.hash))options.hash=true;
var key,value,submitted=false,submit=options.submit;
var data=elements.inject({},function(result,element){
if(!element.disabled&&element.name){
key=element.name;value=$(element).getValue();
if(value!=null&&element.type!='file'&&(element.type!='submit'||(!submitted&&
submit!==false&&(!submit||key==submit)&&(submitted=true)))){
if(key in result){
if(!Object.isArray(result[key]))result[key]=[result[key]];
result[key].push(value);
}
else result[key]=value;
}
}
return result;
});
return options.hash?data:Object.toQueryString(data);
}
};
Form.Methods={
serialize:function(form,options){
return Form.serializeElements(Form.getElements(form),options);
},
getElements:function(form){
var elements=$(form).getElementsByTagName('*'),
element,
arr=[],
serializers=Form.Element.Serializers;
for(var i=0;element=elements[i];i++){
arr.push(element);
}
return arr.inject([],function(elements,child){
if(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)$/i.test(element.tagName);
});
},
focusFirstElement:function(form){
form=$(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)$/i.test(element.type))))
element.select();
}catch(e){}
return element;
},
disable:function(element){
element=$(element);
element.disabled=true;
return element;
},
enable:function(element){
element=$(element);
element.disabled=false;
return element;
}
};
var Field=Form.Element;
var $F=Form.Element.Methods.getValue;
Form.Element.Serializers={
input:function(element,value){
switch(element.type.toLowerCase()){
case'checkbox':
case'radio':
return Form.Element.Serializers.inputSelector(element,value);
default:
return Form.Element.Serializers.textarea(element,value);
}
},
inputSelector:function(element,value){
if(Object.isUndefined(value))return element.checked?element.value:null;
else element.checked=!!value;
},
textarea:function(element,value){
if(Object.isUndefined(value))return element.value;
else element.value=value;
},
select:function(element,value){
if(Object.isUndefined(value))
return this[element.type=='select-one'?
'selectOne':'selectMany'](element);
else{
var opt,currentValue,single=!Object.isArray(value);
for(var i=0,length=element.length;i<length;i++){
opt=element.options[i];
currentValue=this.optionValue(opt);
if(single){
if(currentValue==value){
opt.selected=true;
return;
}
}
else opt.selected=value.include(currentValue);
}
}
},
selectOne:function(element){
var index=element.selectedIndex;
return index>=0?this.optionValue(element.options[index]):null;
},
selectMany:function(element){
var values,length=element.length;
if(!length)return null;
for(var i=0,values=[];i<length;i++){
var opt=element.options[i];
if(opt.selected)values.push(this.optionValue(opt));
}
return values;
},
optionValue:function(opt){
return Element.extend(opt).hasAttribute('value')?opt.value:opt.text;
}
};
Abstract.TimedObserver=Class.create(PeriodicalExecuter,{
initialize:function($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);
}
});
(function(){
var 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:{}
};
var docEl=document.documentElement;
var MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED='onmouseenter'in docEl
&&'onmouseleave'in docEl;
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);
};
}
function isLeftClick(event){return _isButton(event,0)}
function isMiddleClick(event){return _isButton(event,1)}
function isRightClick(event){return _isButton(event,2)}
function element(event){
event=Event.extend(event);
var node=event.target,type=event.type,
currentTarget=event.currentTarget;
if(currentTarget&&currentTarget.tagName){
if(type==='load'||type==='error'||
(type==='click'&&currentTarget.tagName.toLowerCase()==='input'
&&currentTarget.type==='radio'))
node=currentTarget;
}
if(node.nodeType==Node.TEXT_NODE)
node=node.parentNode;
return Element.extend(node);
}
function findElement(event,expression){
var element=Event.element(event);
if(!expression)return element;
var elements=[element].concat(element.ancestors());
return Selector.findElement(elements,expression,0);
}
function pointer(event){
return{x:pointerX(event),y:pointerY(event)};
}
function pointerX(event){
var docElement=document.documentElement,
body=document.body||{scrollLeft:0};
return event.pageX||(event.clientX+
(docElement.scrollLeft||body.scrollLeft)-
(docElement.clientLeft||0));
}
function pointerY(event){
var docElement=document.documentElement,
body=document.body||{scrollTop:0};
return event.pageY||(event.clientY+
(docElement.scrollTop||body.scrollTop)-
(docElement.clientTop||0));
}
function stop(event){
Event.extend(event);
event.preventDefault();
event.stopPropagation();
event.stopped=true;
}
Event.Methods={
isLeftClick:isLeftClick,
isMiddleClick:isMiddleClick,
isRightClick:isRightClick,
element:element,
findElement:findElement,
pointer:pointer,
pointerX:pointerX,
pointerY:pointerY,
stop:stop
};
var methods=Object.keys(Event.Methods).inject({},function(m,name){
m[name]=Event.Methods[name].methodize();
return m;
});
if(Prototype.Browser.IE){
function _relatedTarget(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);
}
Object.extend(methods,{
stopPropagation:function(){this.cancelBubble=true},
preventDefault:function(){this.returnValue=false},
inspect:function(){return'[object Event]'}
});
Event.extend=function(event,element){
if(!event)return false;
if(event._extendedByPrototype)return event;
event._extendedByPrototype=Prototype.emptyFunction;
var pointer=Event.pointer(event);
Object.extend(event,{
target:event.srcElement||element,
relatedTarget:_relatedTarget(event),
pageX:pointer.x,
pageY:pointer.y
});
return Object.extend(event,methods);
};
}else{
Event.prototype=window.Event.prototype||document.createEvent('HTMLEvents').__proto__;
Object.extend(Event.prototype,methods);
Event.extend=Prototype.K;
}
function _createResponder(element,eventName,handler){
var registry=Element.retrieve(element,'prototype_event_registry');
if(Object.isUndefined(registry)){
CACHE.push(element);
registry=Element.retrieve(element,'prototype_event_registry',$H());
}
var respondersForEvent=registry.get(eventName);
if(Object.isUndefined(respondersForEvent)){
respondersForEvent=[];
registry.set(eventName,respondersForEvent);
}
if(respondersForEvent.pluck('handler').include(handler))return false;
var responder;
if(eventName.include(":")){
responder=function(event){
if(Object.isUndefined(event.eventName))
return false;
if(event.eventName!==eventName)
return false;
Event.extend(event,element);
handler.call(element,event);
};
}else{
if(!MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED&&
(eventName==="mouseenter"||eventName==="mouseleave")){
if(eventName==="mouseenter"||eventName==="mouseleave"){
responder=function(event){
Event.extend(event,element);
var parent=event.relatedTarget;
while(parent&&parent!==element){
try{parent=parent.parentNode;}
catch(e){parent=element;}
}
if(parent===element)return;
handler.call(element,event);
};
}
}else{
responder=function(event){
Event.extend(event,element);
handler.call(element,event);
};
}
}
responder.handler=handler;
respondersForEvent.push(responder);
return responder;
}
function _destroyCache(){
for(var i=0,length=CACHE.length;i<length;i++){
Event.stopObserving(CACHE[i]);
CACHE[i]=null;
}
}
var CACHE=[];
if(Prototype.Browser.IE)
window.attachEvent('onunload',_destroyCache);
if(Prototype.Browser.WebKit)
window.addEventListener('unload',Prototype.emptyFunction,false);
var _getDOMEventName=Prototype.K;
if(!MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED){
_getDOMEventName=function(eventName){
var translations={mouseenter:"mouseover",mouseleave:"mouseout"};
return eventName in translations?translations[eventName]:eventName;
};
}
function observe(element,eventName,handler){
element=$(element);
var responder=_createResponder(element,eventName,handler);
if(!responder)return element;
if(eventName.include(':')){
if(element.addEventListener)
element.addEventListener("dataavailable",responder,false);
else{
element.attachEvent("ondataavailable",responder);
element.attachEvent("onfilterchange",responder);
}
}else{
var actualEventName=_getDOMEventName(eventName);
if(element.addEventListener)
element.addEventListener(actualEventName,responder,false);
else
element.attachEvent("on"+actualEventName,responder);
}
return element;
}
function stopObserving(element,eventName,handler){
element=$(element);
var registry=Element.retrieve(element,'prototype_event_registry');
if(Object.isUndefined(registry))return element;
if(eventName&&!handler){
var responders=registry.get(eventName);
if(Object.isUndefined(responders))return element;
responders.each(function(r){
Element.stopObserving(element,eventName,r.handler);
});
return element;
}else if(!eventName){
registry.each(function(pair){
var eventName=pair.key,responders=pair.value;
responders.each(function(r){
Element.stopObserving(element,eventName,r.handler);
});
});
return element;
}
var responders=registry.get(eventName);
if(!responders)return;
var responder=responders.find(function(r){return r.handler===handler;});
if(!responder)return element;
var actualEventName=_getDOMEventName(eventName);
if(eventName.include(':')){
if(element.removeEventListener)
element.removeEventListener("dataavailable",responder,false);
else{
element.detachEvent("ondataavailable",responder);
element.detachEvent("onfilterchange",responder);
}
}else{
if(element.removeEventListener)
element.removeEventListener(actualEventName,responder,false);
else
element.detachEvent('on'+actualEventName,responder);
}
registry.set(eventName,responders.without(responder));
return element;
}
function fire(element,eventName,memo,bubble){
element=$(element);
if(Object.isUndefined(bubble))
bubble=true;
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=bubble?'ondataavailable':'onfilterchange';
}
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);
Object.extend(Event,{
fire:fire,
observe:observe,
stopObserving:stopObserving
});
Element.addMethods({
fire:fire,
observe:observe,
stopObserving:stopObserving
});
Object.extend(document,{
fire:fire.methodize(),
observe:observe.methodize(),
stopObserving:stopObserving.methodize(),
loaded:false
});
if(window.Event)Object.extend(window.Event,Event);
else window.Event=Event;
})();
(function(){
var timer;
function fireContentLoadedEvent(){
if(document.loaded)return;
if(timer)window.clearTimeout(timer);
document.loaded=true;
document.fire('dom:loaded');
}
function checkReadyState(){
if(document.readyState==='complete'){
document.stopObserving('readystatechange',checkReadyState);
fireContentLoadedEvent();
}
}
function pollDoScroll(){
try{document.documentElement.doScroll('left');}
catch(e){
timer=pollDoScroll.defer();
return;
}
fireContentLoadedEvent();
}
if(document.addEventListener){
document.addEventListener('DOMContentLoaded',fireContentLoadedEvent,false);
}else{
document.observe('readystatechange',checkReadyState);
if(window==top)
timer=pollDoScroll.defer();
}
Event.observe(window,'load',fireContentLoadedEvent);
})();
Element.addMethods();
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);