var Prototype={
Version:'1.5.1.1',
Browser:{
IE:!!(window.attachEvent&&!window.opera),
Opera:!!window.opera,
WebKit:navigator.userAgent.indexOf('AppleWebKit/')>-1,
Gecko:navigator.userAgent.indexOf('Gecko')>-1&&navigator.userAgent.indexOf('KHTML')==-1},
BrowserFeatures:{
XPath:!!document.evaluate,
ElementExtensions:!!window.HTMLElement,
SpecificElementExtensions:(document.createElement('div').__proto__!==
document.createElement('form').__proto__)},
ScriptFragment:'<script[^>]*>([\\S\\s]*?)<\/script>',
JSONFilter:/^\/\*-secure-([\s\S]*)\*\/\s*$/,
emptyFunction:function(){},
K:function(x){return x}}
var Class={
create:function(){
return function(){
this.initialize.apply(this,arguments);}}}
var Abstract=new Object();
Object.extend=function(destination,source){
for(var property in source){
destination[property]=source[property];}
return destination;}
Object.extend(Object,{
inspect:function(object){
try{
if(object===undefined)return 'undefined';
if(object===null)return 'null';
return object.inspect?object.inspect():object.toString();}catch(e){
if(e instanceof RangeError)return '...';
throw e;}},
toJSON:function(object){
var type=typeof object;
switch(type){
case 'undefined':
case 'function':
case 'unknown':return;
case 'boolean':return object.toString();}
if(object===null)return 'null';
if(object.toJSON)return object.toJSON();
if(object.ownerDocument===document)return;
var results=[];
for(var property in object){
var value=Object.toJSON(object[property]);
if(value!==undefined)
results.push(property.toJSON()+': '+value);}
return '{'+results.join(', ')+'}';},
keys:function(object){
var keys=[];
for(var property in object)
keys.push(property);
return keys;},
values:function(object){
var values=[];
for(var property in object)
values.push(object[property]);
return values;},
clone:function(object){
return Object.extend({},object);}});
Function.prototype.bind=function(){
var __method=this,args=$A(arguments),object=args.shift();
return function(){
return __method.apply(object,args.concat($A(arguments)));}}
Function.prototype.bindAsEventListener=function(object){
var __method=this,args=$A(arguments),object=args.shift();
return function(event){
return __method.apply(object,[event||window.event].concat(args));}}
Object.extend(Number.prototype,{
toColorPart:function(){
return this.toPaddedString(2,16);},
succ:function(){
return this +1;},
times:function(iterator){
$R(0,this,true).each(iterator);
return this;},
toPaddedString:function(length,radix){
var string=this.toString(radix||10);
return '0'.times(length-string.length)+string;},
toJSON:function(){
return isFinite(this)?this.toString():'null';}});
Date.prototype.toJSON=function(){
return '"'+this.getFullYear()+'-'+(this.getMonth()+1).toPaddedString(2)+'-'+
this.getDate().toPaddedString(2)+'T'+
this.getHours().toPaddedString(2)+':'+
this.getMinutes().toPaddedString(2)+':'+
this.getSeconds().toPaddedString(2)+'"';};
var Try={
these:function(){
var returnValue;
for(var i=0,length=arguments.length;i<length;i++){
var lambda=arguments[i];
try{
returnValue=lambda();
break;}catch(e){}}
return returnValue;}}
var PeriodicalExecuter=Class.create();
PeriodicalExecuter.prototype={
initialize:function(callback,frequency){
this.callback=callback;
this.frequency=frequency;
this.currentlyExecuting=false;
this.registerCallback();},
registerCallback:function(){
this.timer=setInterval(this.onTimerEvent.bind(this),this.frequency*1000);},
stop:function(){
if(!this.timer)return;
clearInterval(this.timer);
this.timer=null;},
onTimerEvent:function(){
if(!this.currentlyExecuting){
try{
this.currentlyExecuting=true;
this.callback(this);}finally{
this.currentlyExecuting=false;}}}}
Object.extend(String,{
interpret:function(value){
return value==null?'':String(value);},
specialChar:{
'\b':'\\b',
'\t':'\\t',
'\n':'\\n',
'\f':'\\f',
'\r':'\\r',
'\\':'\\\\'}});
Object.extend(String.prototype,{
gsub:function(pattern,replacement){
var result='',source=this,match;
replacement=arguments.callee.prepareReplacement(replacement);
while(source.length>0){
if(match=source.match(pattern)){
result+=source.slice(0,match.index);
result+=String.interpret(replacement(match));
source=source.slice(match.index+match[0].length);}else{
result+=source,source='';}}
return result;},
sub:function(pattern,replacement,count){
replacement=this.gsub.prepareReplacement(replacement);
count=count===undefined?1:count;
return this.gsub(pattern,function(match){
if(--count<0)return match[0];
return replacement(match);});},
scan:function(pattern,iterator){
this.gsub(pattern,iterator);
return this;},
truncate:function(length,truncation){
length=length||30;
truncation=truncation===undefined?'...':truncation;
return this.length>length?
this.slice(0,length-truncation.length)+truncation:this;},
strip:function(){
return this.replace(/^\s+/,'').replace(/\s+$/,'');},
stripTags:function(){
return this.replace(/<\/?[^>]+>/gi,'');},
stripScripts:function(){
return this.replace(new RegExp(Prototype.ScriptFragment,'img'),'');},
extractScripts:function(){
var matchAll=new RegExp(Prototype.ScriptFragment,'img');
var matchOne=new RegExp(Prototype.ScriptFragment,'im');
return(this.match(matchAll)||[]).map(function(scriptTag){
return(scriptTag.match(matchOne)||['',''])[1];});},
evalScripts:function(){
return this.extractScripts().map(function(script){return eval(script)});},
escapeHTML:function(){
var self=arguments.callee;
self.text.data=this;
return self.div.innerHTML;},
unescapeHTML:function(){
var div=document.createElement('div');
div.innerHTML=this.stripTags();
return div.childNodes[0]?(div.childNodes.length>1?
$A(div.childNodes).inject('',function(memo,node){return memo+node.nodeValue}):
div.childNodes[0].nodeValue):'';},
toQueryParams:function(separator){
var match=this.strip().match(/([^?#]*)(#.*)?$/);
if(!match)return{};
return match[1].split(separator||'&').inject({},function(hash,pair){
if((pair=pair.split('='))[0]){
var key=decodeURIComponent(pair.shift());
var value=pair.length>1?pair.join('='):pair[0];
if(value!=undefined)value=decodeURIComponent(value);
if(key in hash){
if(hash[key].constructor !=Array)hash[key]=[hash[key]];
hash[key].push(value);}
else hash[key]=value;}
return hash;});},
toArray:function(){
return this.split('');},
succ:function(){
return this.slice(0,this.length-1)+
String.fromCharCode(this.charCodeAt(this.length-1)+1);},
times:function(count){
var result='';
for(var i=0;i<count;i++)result+=this;
return result;},
camelize:function(){
var parts=this.split('-'),len=parts.length;
if(len==1)return parts[0];
var camelized=this.charAt(0)=='-'?parts[0].charAt(0).toUpperCase()+parts[0].substring(1):parts[0];
for(var i=1;i<len;i++)
camelized+=parts[i].charAt(0).toUpperCase()+parts[i].substring(1);
return camelized;},
capitalize:function(){
return this.charAt(0).toUpperCase()+this.substring(1).toLowerCase();},
underscore:function(){
return this.gsub(/::/,'/').gsub(/([A-Z]+)([A-Z][a-z])/,'#{1}_#{2}').gsub(/([a-z\d])([A-Z])/,'#{1}_#{2}').gsub(/-/,'_').toLowerCase();},
dasherize:function(){
return this.gsub(/_/,'-');},
inspect:function(useDoubleQuotes){
var escapedString=this.gsub(/[\x00-\x1f\\]/,function(match){
var character=String.specialChar[match[0]];
return character?character:'\\u00'+match[0].charCodeAt().toPaddedString(2,16);});
if(useDoubleQuotes)return '"'+escapedString.replace(/"/g,'\\"')+'"';
return "'"+escapedString.replace(/'/g,'\\\'') + "'";},
toJSON:function(){
return this.inspect(true);},
unfilterJSON:function(filter){
return this.sub(filter||Prototype.JSONFilter,'#{1}');},
isJSON:function(){
var str=this.replace(/\\./g,'@').replace(/"[^"\\\n\r]*"/g,'');
return(/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test(str);},
evalJSON:function(sanitize){
var json=this.unfilterJSON();
try{
if(!sanitize||json.isJSON())return eval('('+json+')');}catch(e){}
throw new SyntaxError('Badly formed JSON string: '+this.inspect());},
include:function(pattern){
return this.indexOf(pattern)>-1;},
startsWith:function(pattern){
return this.indexOf(pattern)===0;},
endsWith:function(pattern){
var d=this.length-pattern.length;
return d>=0&&this.lastIndexOf(pattern)===d;},
empty:function(){
return this=='';},
blank:function(){
return/^\s*$/.test(this);}});
if(Prototype.Browser.WebKit||Prototype.Browser.IE)Object.extend(String.prototype,{
escapeHTML:function(){
return this.replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;');},
unescapeHTML:function(){
return this.replace(/&amp;/g,'&').replace(/&lt;/g,'<').replace(/&gt;/g,'>');}});
String.prototype.gsub.prepareReplacement=function(replacement){
if(typeof replacement=='function')return replacement;
var template=new Template(replacement);
return function(match){return template.evaluate(match)};}
String.prototype.parseQuery=String.prototype.toQueryParams;
Object.extend(String.prototype.escapeHTML,{
div:document.createElement('div'),
text:document.createTextNode('')});
with(String.prototype.escapeHTML)div.appendChild(text);
var Template=Class.create();
Template.Pattern=/(^|.|\r|\n)(#\{(.*?)\})/;
Template.prototype={
initialize:function(template,pattern){
this.template=template.toString();
this.pattern=pattern||Template.Pattern;},
evaluate:function(object){
return this.template.gsub(this.pattern,function(match){
var before=match[1];
if(before=='\\')return match[2];
return before+String.interpret(object[match[3]]);});}}
var $break={},$continue=new Error('"throw $continue" is deprecated, use "return" instead');
var Enumerable={
each:function(iterator){
var index=0;
try{
this._each(function(value){
iterator(value,index++);});}catch(e){
if(e!=$break)throw e;}
return this;},
eachSlice:function(number,iterator){
var index=-number,slices=[],array=this.toArray();
while((index+=number)<array.length)
slices.push(array.slice(index,index+number));
return slices.map(iterator);},
all:function(iterator){
var result=true;
this.each(function(value,index){
result=result&&!!(iterator||Prototype.K)(value,index);
if(!result)throw $break;});
return result;},
any:function(iterator){
var result=false;
this.each(function(value,index){
if(result=!!(iterator||Prototype.K)(value,index))
throw $break;});
return result;},
collect:function(iterator){
var results=[];
this.each(function(value,index){
results.push((iterator||Prototype.K)(value,index));});
return results;},
detect:function(iterator){
var result;
this.each(function(value,index){
if(iterator(value,index)){
result=value;
throw $break;}});
return result;},
findAll:function(iterator){
var results=[];
this.each(function(value,index){
if(iterator(value,index))
results.push(value);});
return results;},
grep:function(pattern,iterator){
var results=[];
this.each(function(value,index){
var stringValue=value.toString();
if(stringValue.match(pattern))
results.push((iterator||Prototype.K)(value,index));})
return results;},
include:function(object){
var found=false;
this.each(function(value){
if(value==object){
found=true;
throw $break;}});
return found;},
inGroupsOf:function(number,fillWith){
fillWith=fillWith===undefined?null:fillWith;
return this.eachSlice(number,function(slice){
while(slice.length<number)slice.push(fillWith);
return slice;});},
inject:function(memo,iterator){
this.each(function(value,index){
memo=iterator(memo,value,index);});
return memo;},
invoke:function(method){
var args=$A(arguments).slice(1);
return this.map(function(value){
return value[method].apply(value,args);});},
max:function(iterator){
var result;
this.each(function(value,index){
value=(iterator||Prototype.K)(value,index);
if(result==undefined||value>=result)
result=value;});
return result;},
min:function(iterator){
var result;
this.each(function(value,index){
value=(iterator||Prototype.K)(value,index);
if(result==undefined||value<result)
result=value;});
return result;},
partition:function(iterator){
var trues=[],falses=[];
this.each(function(value,index){((iterator||Prototype.K)(value,index)?
trues:falses).push(value);});
return[trues,falses];},
pluck:function(property){
var results=[];
this.each(function(value,index){
results.push(value[property]);});
return results;},
reject:function(iterator){
var results=[];
this.each(function(value,index){
if(!iterator(value,index))
results.push(value);});
return results;},
sortBy:function(iterator){
return this.map(function(value,index){
return{value:value,criteria:iterator(value,index)};}).sort(function(left,right){
var a=left.criteria,b=right.criteria;
return a<b?-1:a>b?1:0;}).pluck('value');},
toArray:function(){
return this.map();},
zip:function(){
var iterator=Prototype.K,args=$A(arguments);
if(typeof args.last()=='function')
iterator=args.pop();
var collections=[this].concat(args).map($A);
return this.map(function(value,index){
return iterator(collections.pluck(index));});},
size:function(){
return this.toArray().length;},
inspect:function(){
return '#<Enumerable:'+this.toArray().inspect()+'>';}}
Object.extend(Enumerable,{
map:Enumerable.collect,
find:Enumerable.detect,
select:Enumerable.findAll,
member:Enumerable.include,
entries:Enumerable.toArray});
var $A=Array.from=function(iterable){
if(!iterable)return[];
if(iterable.toArray){
return iterable.toArray();}else{
var results=[];
for(var i=0,length=iterable.length;i<length;i++)
results.push(iterable[i]);
return results;}}
if(Prototype.Browser.WebKit){
$A=Array.from=function(iterable){
if(!iterable)return[];
if(!(typeof iterable=='function'&&iterable=='[object NodeList]')&&
iterable.toArray){
return iterable.toArray();}else{
var results=[];
for(var i=0,length=iterable.length;i<length;i++)
results.push(iterable[i]);
return results;}}}
Object.extend(Array.prototype,Enumerable);
if(!Array.prototype._reverse)
Array.prototype._reverse=Array.prototype.reverse;
Object.extend(Array.prototype,{
_each:function(iterator){
for(var i=0,length=this.length;i<length;i++)
iterator(this[i]);},
clear:function(){
this.length=0;
return this;},
first:function(){
return this[0];},
last:function(){
return this[this.length-1];},
compact:function(){
return this.select(function(value){
return value!=null;});},
flatten:function(){
return this.inject([],function(array,value){
return array.concat(value&&value.constructor==Array?
value.flatten():[value]);});},
without:function(){
var values=$A(arguments);
return this.select(function(value){
return !values.include(value);});},
indexOf:function(object){
for(var i=0,length=this.length;i<length;i++)
if(this[i]==object)return i;
return -1;},
reverse:function(inline){
return(inline!==false?this:this.toArray())._reverse();},
reduce:function(){
return this.length>1?this:this[0];},
uniq:function(sorted){
return this.inject([],function(array,value,index){
if(0==index||(sorted?array.last()!=value:!array.include(value)))
array.push(value);
return array;});},
clone:function(){
return[].concat(this);},
size:function(){
return this.length;},
inspect:function(){
return '['+this.map(Object.inspect).join(', ')+']';},
toJSON:function(){
var results=[];
this.each(function(object){
var value=Object.toJSON(object);
if(value!==undefined)results.push(value);});
return '['+results.join(', ')+']';}});
Array.prototype.toArray=Array.prototype.clone;
function $w(string){
string=string.strip();
return string?string.split(/\s+/):[];}
if(Prototype.Browser.Opera){
Array.prototype.concat=function(){
var array=[];
for(var i=0,length=this.length;i<length;i++)array.push(this[i]);
for(var i=0,length=arguments.length;i<length;i++){
if(arguments[i].constructor==Array){
for(var j=0,arrayLength=arguments[i].length;j<arrayLength;j++)
array.push(arguments[i][j]);}else{
array.push(arguments[i]);}}
return array;}}
var Hash=function(object){
if(object instanceof Hash)this.merge(object);
else Object.extend(this,object||{});};
Object.extend(Hash,{
toQueryString:function(obj){
var parts=[];
parts.add=arguments.callee.addPair;
this.prototype._each.call(obj,function(pair){
if(!pair.key)return;
var value=pair.value;
if(value&&typeof value=='object'){
if(value.constructor==Array)value.each(function(value){
parts.add(pair.key,value);});
return;}
parts.add(pair.key,value);});
return parts.join('&');},
toJSON:function(object){
var results=[];
this.prototype._each.call(object,function(pair){
var value=Object.toJSON(pair.value);
if(value!==undefined)results.push(pair.key.toJSON()+': '+value);});
return '{'+results.join(', ')+'}';}});
Hash.toQueryString.addPair=function(key,value,prefix){
key=encodeURIComponent(key);
if(value===undefined)this.push(key);
else this.push(key+'='+(value==null?'':encodeURIComponent(value)));}
Object.extend(Hash.prototype,Enumerable);
Object.extend(Hash.prototype,{
_each:function(iterator){
for(var key in this){
var value=this[key];
if(value&&value==Hash.prototype[key])continue;
var pair=[key,value];
pair.key=key;
pair.value=value;
iterator(pair);}},
keys:function(){
return this.pluck('key');},
values:function(){
return this.pluck('value');},
merge:function(hash){
return $H(hash).inject(this,function(mergedHash,pair){
mergedHash[pair.key]=pair.value;
return mergedHash;});},
remove:function(){
var result;
for(var i=0,length=arguments.length;i<length;i++){
var value=this[arguments[i]];
if(value!==undefined){
if(result===undefined)result=value;
else{
if(result.constructor !=Array)result=[result];
result.push(value)}}
delete this[arguments[i]];}
return result;},
toQueryString:function(){
return Hash.toQueryString(this);},
inspect:function(){
return '#<Hash:{'+this.map(function(pair){
return pair.map(Object.inspect).join(': ');}).join(', ')+'}>';},
toJSON:function(){
return Hash.toJSON(this);}});
function $H(object){
if(object instanceof Hash)return object;
return new Hash(object);};
if(function(){
var i=0,Test=function(value){this.key=value};
Test.prototype.key='foo';
for(var property in new Test('bar'))i++;
return i>1;}())Hash.prototype._each=function(iterator){
var cache=[];
for(var key in this){
var value=this[key];
if((value&&value==Hash.prototype[key])||cache.include(key))continue;
cache.push(key);
var pair=[key,value];
pair.key=key;
pair.value=value;
iterator(pair);}};
ObjectRange=Class.create();
Object.extend(ObjectRange.prototype,Enumerable);
Object.extend(ObjectRange.prototype,{
initialize:function(start,end,exclusive){
this.start=start;
this.end=end;
this.exclusive=exclusive;},
_each:function(iterator){
var value=this.start;
while(this.include(value)){
iterator(value);
value=value.succ();}},
include:function(value){
if(value<this.start)
return false;
if(this.exclusive)
return value<this.end;
return value<=this.end;}});
var $R=function(start,end,exclusive){
return new ObjectRange(start,end,exclusive);}
var Ajax={
getTransport:function(){
return Try.these(
function(){return new XMLHttpRequest()},
function(){return new ActiveXObject('Msxml2.XMLHTTP')},
function(){return new ActiveXObject('Microsoft.XMLHTTP')})||false;},
activeRequestCount:0}
Ajax.Responders={
responders:[],
_each:function(iterator){
this.responders._each(iterator);},
register:function(responder){
if(!this.include(responder))
this.responders.push(responder);},
unregister:function(responder){
this.responders=this.responders.without(responder);},
dispatch:function(callback,request,transport,json){
this.each(function(responder){
if(typeof responder[callback]=='function'){
try{
responder[callback].apply(responder,[request,transport,json]);}catch(e){}}});}};
Object.extend(Ajax.Responders,Enumerable);
Ajax.Responders.register({
onCreate:function(){
Ajax.activeRequestCount++;},
onComplete:function(){
Ajax.activeRequestCount--;}});
Ajax.Base=function(){};
Ajax.Base.prototype={
setOptions:function(options){
this.options={
method:'post',
asynchronous:true,
contentType:'application/x-www-form-urlencoded',
encoding:'UTF-8',
parameters:''}
Object.extend(this.options,options||{});
this.options.method=this.options.method.toLowerCase();
if(typeof this.options.parameters=='string')
this.options.parameters=this.options.parameters.toQueryParams();}}
Ajax.Request=Class.create();
Ajax.Request.Events=['Uninitialized','Loading','Loaded','Interactive','Complete'];
Ajax.Request.prototype=Object.extend(new Ajax.Base(),{
_complete:false,
initialize:function(url,options){
this.transport=Ajax.getTransport();
this.setOptions(options);
this.request(url);},
request:function(url){
this.url=url;
this.method=this.options.method;
var params=Object.clone(this.options.parameters);
if(!['get','post'].include(this.method)){
params['_method']=this.method;
this.method='post';}
this.parameters=params;
if(params=Hash.toQueryString(params)){
if(this.method=='get')
this.url+=(this.url.include('?')?'&':'?')+params;
else if(/Konqueror|Safari|KHTML/.test(navigator.userAgent))
params+='&_=';}
try{
if(this.options.onCreate)this.options.onCreate(this.transport);
Ajax.Responders.dispatch('onCreate',this,this.transport);
this.transport.open(this.method.toUpperCase(),this.url,
this.options.asynchronous);
if(this.options.asynchronous)
setTimeout(function(){this.respondToReadyState(1)}.bind(this),10);
this.transport.onreadystatechange=this.onStateChange.bind(this);
this.setRequestHeaders();
this.body=this.method=='post'?(this.options.postBody||params):null;
this.transport.send(this.body);
if(!this.options.asynchronous&&this.transport.overrideMimeType)
this.onStateChange();}
catch(e){
this.dispatchException(e);}},
onStateChange:function(){
var readyState=this.transport.readyState;
if(readyState>1&&!((readyState==4)&&this._complete))
this.respondToReadyState(this.transport.readyState);},
setRequestHeaders:function(){
var headers={
'X-Requested-With':'XMLHttpRequest',
'X-Prototype-Version':Prototype.Version,
'Accept':'text/javascript, text/html, application/xml, text/xml, */*'};
if(this.method=='post'){
headers['Content-type']=this.options.contentType+(this.options.encoding?'; charset='+this.options.encoding:'');
if(this.transport.overrideMimeType&&(navigator.userAgent.match(/Gecko\/(\d{4})/)||[0,2005])[1]<2005)
headers['Connection']='close';}
if(typeof this.options.requestHeaders=='object'){
var extras=this.options.requestHeaders;
if(typeof extras.push=='function')
for(var i=0,length=extras.length;i<length;i+=2)
headers[extras[i]]=extras[i+1];
else
$H(extras).each(function(pair){headers[pair.key]=pair.value});}
for(var name in headers)
this.transport.setRequestHeader(name,headers[name]);},
success:function(){
return !this.transport.status||(this.transport.status>=200&&this.transport.status<300);},
respondToReadyState:function(readyState){
var state=Ajax.Request.Events[readyState];
var transport=this.transport,json=this.evalJSON();
if(state=='Complete'){
try{
this._complete=true;(this.options['on'+this.transport.status]||this.options['on'+(this.success()?'Success':'Failure')]||Prototype.emptyFunction)(transport,json);}catch(e){
this.dispatchException(e);}
var contentType=this.getHeader('Content-type');
if(contentType&&contentType.strip().
match(/^(text|application)\/(x-)?(java|ecma)script(;.*)?$/i))
this.evalResponse();}
try{(this.options['on'+state]||Prototype.emptyFunction)(transport,json);
Ajax.Responders.dispatch('on'+state,this,transport,json);}catch(e){
this.dispatchException(e);}
if(state=='Complete'){
this.transport.onreadystatechange=Prototype.emptyFunction;}},
getHeader:function(name){
try{
return this.transport.getResponseHeader(name);}catch(e){return null}},
evalJSON:function(){
try{
var json=this.getHeader('X-JSON');
return json?eval('('+json+')'):null;}catch(e){return null}},
evalResponse:function(){
try{
return eval((this.transport.responseText||'').unfilterJSON());}catch(e){
this.dispatchException(e);}},
dispatchException:function(exception){(this.options.onException||Prototype.emptyFunction)(this,exception);
Ajax.Responders.dispatch('onException',this,exception);}});
Ajax.Updater=Class.create();
Object.extend(Object.extend(Ajax.Updater.prototype,Ajax.Request.prototype),{
initialize:function(container,url,options){
this.container={
success:(container.success||container),
failure:(container.failure||(container.success?null:container))}
this.transport=Ajax.getTransport();
this.setOptions(options);
var onComplete=this.options.onComplete||Prototype.emptyFunction;
this.options.onComplete=(function(transport,param){
this.updateContent();
onComplete(transport,param);}).bind(this);
this.request(url);},
updateContent:function(){
var receiver=this.container[this.success()?'success':'failure'];
var response=this.transport.responseText;
if(!this.options.evalScripts)response=response.stripScripts();
if(receiver=$(receiver)){
if(this.options.insertion)
new this.options.insertion(receiver,response);
else
receiver.update(response);}
if(this.success()){
if(this.onComplete)
setTimeout(this.onComplete.bind(this),10);}}});
Ajax.PeriodicalUpdater=Class.create();
Ajax.PeriodicalUpdater.prototype=Object.extend(new Ajax.Base(),{
initialize:function(container,url,options){
this.setOptions(options);
this.onComplete=this.options.onComplete;
this.frequency=(this.options.frequency||2);
this.decay=(this.options.decay||1);
this.updater={};
this.container=container;
this.url=url;
this.start();},
start:function(){
this.options.onComplete=this.updateComplete.bind(this);
this.onTimerEvent();},
stop:function(){
this.updater.options.onComplete=undefined;
clearTimeout(this.timer);(this.onComplete||Prototype.emptyFunction).apply(this,arguments);},
updateComplete:function(request){
if(this.options.decay){
this.decay=(request.responseText==this.lastText?
this.decay*this.options.decay:1);
this.lastText=request.responseText;}
this.timer=setTimeout(this.onTimerEvent.bind(this),
this.decay*this.frequency*1000);},
onTimerEvent:function(){
this.updater=new Ajax.Updater(this.container,this.url,this.options);}});
function $(element){
if(arguments.length>1){
for(var i=0,elements=[],length=arguments.length;i<length;i++)
elements.push($(arguments[i]));
return elements;}
if(typeof element=='string')
element=document.getElementById(element);
return Element.extend(element);}
if(Prototype.BrowserFeatures.XPath){
document._getElementsByXPath=function(expression,parentElement){
var results=[];
var query=document.evaluate(expression,$(parentElement)||document,
null,XPathResult.ORDERED_NODE_SNAPSHOT_TYPE,null);
for(var i=0,length=query.snapshotLength;i<length;i++)
results.push(query.snapshotItem(i));
return results;};
document.getElementsByClassName=function(className,parentElement){
var q=".//*[contains(concat(' ', @class, ' '), ' "+className+" ')]";
return document._getElementsByXPath(q,parentElement);}}else document.getElementsByClassName=function(className,parentElement){
var children=($(parentElement)||document.body).getElementsByTagName('*');
var elements=[],child,pattern=new RegExp("(^|\\s)"+className+"(\\s|$)");
for(var i=0,length=children.length;i<length;i++){
child=children[i];
var elementClassName=child.className;
if(elementClassName.length==0)continue;
if(elementClassName==className||elementClassName.match(pattern))
elements.push(Element.extend(child));}
return elements;};
if(!window.Element)var Element={};
Element.extend=function(element){
var F=Prototype.BrowserFeatures;
if(!element||!element.tagName||element.nodeType==3||
element._extended||F.SpecificElementExtensions||element==window)
return element;
var methods={},tagName=element.tagName,cache=Element.extend.cache,
T=Element.Methods.ByTag;
if(!F.ElementExtensions){
Object.extend(methods,Element.Methods),
Object.extend(methods,Element.Methods.Simulated);}
if(T[tagName])Object.extend(methods,T[tagName]);
for(var property in methods){
var value=methods[property];
if(typeof value=='function'&&!(property in element))
element[property]=cache.findOrStore(value);}
element._extended=Prototype.emptyFunction;
return element;};
Element.extend.cache={
findOrStore:function(value){
return this[value]=this[value]||function(){
return value.apply(null,[this].concat($A(arguments)));}}};
Element.Methods={
visible:function(element){
return $(element).style.display!='none';},
toggle:function(element){
element=$(element);
Element[Element.visible(element)?'hide':'show'](element);
return element;},
hide:function(element){
$(element).style.display='none';
return element;},
show:function(element){
$(element).style.display='';
return element;},
remove:function(element){
element=$(element);
element.parentNode.removeChild(element);
return element;},
update:function(element,html){
html=typeof html=='undefined'?'':html.toString();
$(element).innerHTML=html.stripScripts();
setTimeout(function(){html.evalScripts()},10);
return element;},
replace:function(element,html){
element=$(element);
html=typeof html=='undefined'?'':html.toString();
if(element.outerHTML){
element.outerHTML=html.stripScripts();}else{
var range=element.ownerDocument.createRange();
range.selectNodeContents(element);
element.parentNode.replaceChild(
range.createContextualFragment(html.stripScripts()),element);}
setTimeout(function(){html.evalScripts()},10);
return element;},
inspect:function(element){
element=$(element);
var result='<'+element.tagName.toLowerCase();
$H({'id':'id','className':'class'}).each(function(pair){
var property=pair.first(),attribute=pair.last();
var value=(element[property]||'').toString();
if(value)result+=' '+attribute+'='+value.inspect(true);});
return result+'>';},
recursivelyCollect:function(element,property){
element=$(element);
var elements=[];
while(element=element[property])
if(element.nodeType==1)
elements.push(Element.extend(element));
return elements;},
ancestors:function(element){
return $(element).recursivelyCollect('parentNode');},
descendants:function(element){
return $A($(element).getElementsByTagName('*')).each(Element.extend);},
firstDescendant:function(element){
element=$(element).firstChild;
while(element&&element.nodeType!=1)element=element.nextSibling;
return $(element);},
immediateDescendants:function(element){
if(!(element=$(element).firstChild))return[];
while(element&&element.nodeType!=1)element=element.nextSibling;
if(element)return[element].concat($(element).nextSiblings());
return[];},
previousSiblings:function(element){
return $(element).recursivelyCollect('previousSibling');},
nextSiblings:function(element){
return $(element).recursivelyCollect('nextSibling');},
siblings:function(element){
element=$(element);
return element.previousSiblings().reverse().concat(element.nextSiblings());},
match:function(element,selector){
if(typeof selector=='string')
selector=new Selector(selector);
return selector.match($(element));},
up:function(element,expression,index){
element=$(element);
if(arguments.length==1)return $(element.parentNode);
var ancestors=element.ancestors();
return expression?Selector.findElement(ancestors,expression,index):
ancestors[index||0];},
down:function(element,expression,index){
element=$(element);
if(arguments.length==1)return element.firstDescendant();
var descendants=element.descendants();
return expression?Selector.findElement(descendants,expression,index):
descendants[index||0];},
previous:function(element,expression,index){
element=$(element);
if(arguments.length==1)return $(Selector.handlers.previousElementSibling(element));
var previousSiblings=element.previousSiblings();
return expression?Selector.findElement(previousSiblings,expression,index):
previousSiblings[index||0];},
next:function(element,expression,index){
element=$(element);
if(arguments.length==1)return $(Selector.handlers.nextElementSibling(element));
var nextSiblings=element.nextSiblings();
return expression?Selector.findElement(nextSiblings,expression,index):
nextSiblings[index||0];},
getElementsBySelector:function(){
var args=$A(arguments),element=$(args.shift());
return Selector.findChildElements(element,args);},
getElementsByClassName:function(element,className){
return document.getElementsByClassName(className,element);},
readAttribute:function(element,name){
element=$(element);
if(Prototype.Browser.IE){
if(!element.attributes)return null;
var t=Element._attributeTranslations;
if(t.values[name])return t.values[name](element,name);
if(t.names[name])name=t.names[name];
var attribute=element.attributes[name];
return attribute?attribute.nodeValue:null;}
return element.getAttribute(name);},
getHeight:function(element){
return $(element).getDimensions().height;},
getWidth:function(element){
return $(element).getDimensions().width;},
classNames:function(element){
return new Element.ClassNames(element);},
hasClassName:function(element,className){
if(!(element=$(element)))return;
var elementClassName=element.className;
if(elementClassName.length==0)return false;
if(elementClassName==className||
elementClassName.match(new RegExp("(^|\\s)"+className+"(\\s|$)")))
return true;
return false;},
addClassName:function(element,className){
if(!(element=$(element)))return;
Element.classNames(element).add(className);
return element;},
removeClassName:function(element,className){
if(!(element=$(element)))return;
Element.classNames(element).remove(className);
return element;},
toggleClassName:function(element,className){
if(!(element=$(element)))return;
Element.classNames(element)[element.hasClassName(className)?'remove':'add'](className);
return element;},
observe:function(){
Event.observe.apply(Event,arguments);
return $A(arguments).first();},
stopObserving:function(){
Event.stopObserving.apply(Event,arguments);
return $A(arguments).first();},
cleanWhitespace:function(element){
element=$(element);
var node=element.firstChild;
while(node){
var nextNode=node.nextSibling;
if(node.nodeType==3&&!/\S/.test(node.nodeValue))
element.removeChild(node);
node=nextNode;}
return element;},
empty:function(element){
return $(element).innerHTML.blank();},
descendantOf:function(element,ancestor){
element=$(element),ancestor=$(ancestor);
while(element=element.parentNode)
if(element==ancestor)return true;
return false;},
scrollTo:function(element){
element=$(element);
var pos=Position.cumulativeOffset(element);
window.scrollTo(pos[0],pos[1]);
return element;},
getStyle:function(element,style){
element=$(element);
style=style=='float'?'cssFloat':style.camelize();
var value=element.style[style];
if(!value){
var css=document.defaultView.getComputedStyle(element,null);
value=css?css[style]:null;}
if(style=='opacity')return value?parseFloat(value):1.0;
return value=='auto'?null:value;},
getOpacity:function(element){
return $(element).getStyle('opacity');},
setStyle:function(element,styles,camelized){
element=$(element);
var elementStyle=element.style;
for(var property in styles)
if(property=='opacity')element.setOpacity(styles[property])
else
elementStyle[(property=='float'||property=='cssFloat')?(elementStyle.styleFloat===undefined?'cssFloat':'styleFloat'):(camelized?property:property.camelize())]=styles[property];
return element;},
setOpacity:function(element,value){
element=$(element);
element.style.opacity=(value==1||value==='')?'':(value<0.00001)?0:value;
return element;},
getDimensions:function(element){
element=$(element);
var display=$(element).getStyle('display');
if(display!='none'&&display!=null)
return{width:element.offsetWidth,height:element.offsetHeight};
var els=element.style;
var originalVisibility=els.visibility;
var originalPosition=els.position;
var originalDisplay=els.display;
els.visibility='hidden';
els.position='absolute';
els.display='block';
var originalWidth=element.clientWidth;
var originalHeight=element.clientHeight;
els.display=originalDisplay;
els.position=originalPosition;
els.visibility=originalVisibility;
return{width:originalWidth,height:originalHeight};},
makePositioned:function(element){
element=$(element);
var pos=Element.getStyle(element,'position');
if(pos=='static'||!pos){
element._madePositioned=true;
element.style.position='relative';
if(window.opera){
element.style.top=0;
element.style.left=0;}}
return element;},
undoPositioned:function(element){
element=$(element);
if(element._madePositioned){
element._madePositioned=undefined;
element.style.position=
element.style.top=
element.style.left=
element.style.bottom=
element.style.right='';}
return element;},
makeClipping:function(element){
element=$(element);
if(element._overflow)return element;
element._overflow=element.style.overflow||'auto';
if((Element.getStyle(element,'overflow')||'visible')!='hidden')
element.style.overflow='hidden';
return element;},
undoClipping:function(element){
element=$(element);
if(!element._overflow)return element;
element.style.overflow=element._overflow=='auto'?'':element._overflow;
element._overflow=null;
return element;}};
Object.extend(Element.Methods,{
childOf:Element.Methods.descendantOf,
childElements:Element.Methods.immediateDescendants});
if(Prototype.Browser.Opera){
Element.Methods._getStyle=Element.Methods.getStyle;
Element.Methods.getStyle=function(element,style){
switch(style){
case 'left':
case 'top':
case 'right':
case 'bottom':
if(Element._getStyle(element,'position')=='static')return null;
default:return Element._getStyle(element,style);}};}
else if(Prototype.Browser.IE){
Element.Methods.getStyle=function(element,style){
element=$(element);
style=(style=='float'||style=='cssFloat')?'styleFloat':style.camelize();
var value=element.style[style];
if(!value&&element.currentStyle)value=element.currentStyle[style];
if(style=='opacity'){
if(value=(element.getStyle('filter')||'').match(/alpha\(opacity=(.*)\)/))
if(value[1])return parseFloat(value[1])/100;
return 1.0;}
if(value=='auto'){
if((style=='width'||style=='height')&&(element.getStyle('display')!='none'))
return element['offset'+style.capitalize()]+'px';
return null;}
return value;};
Element.Methods.setOpacity=function(element,value){
element=$(element);
var filter=element.getStyle('filter'),style=element.style;
if(value==1||value===''){
style.filter=filter.replace(/alpha\([^\)]*\)/gi,'');
return element;}else if(value<0.00001)value=0;
style.filter=filter.replace(/alpha\([^\)]*\)/gi,'')+
'alpha(opacity='+(value*100)+')';
return element;};
Element.Methods.update=function(element,html){
element=$(element);
html=typeof html=='undefined'?'':html.toString();
var tagName=element.tagName.toUpperCase();
if(['THEAD','TBODY','TR','TD'].include(tagName)){
var div=document.createElement('div');
switch(tagName){
case 'THEAD':
case 'TBODY':
div.innerHTML='<table><tbody>'+html.stripScripts()+'</tbody></table>';
depth=2;
break;
case 'TR':
div.innerHTML='<table><tbody><tr>'+html.stripScripts()+'</tr></tbody></table>';
depth=3;
break;
case 'TD':
div.innerHTML='<table><tbody><tr><td>'+html.stripScripts()+'</td></tr></tbody></table>';
depth=4;}
$A(element.childNodes).each(function(node){element.removeChild(node)});
depth.times(function(){div=div.firstChild});
$A(div.childNodes).each(function(node){element.appendChild(node)});}else{
element.innerHTML=html.stripScripts();}
setTimeout(function(){html.evalScripts()},10);
return element;}}
else if(Prototype.Browser.Gecko){
Element.Methods.setOpacity=function(element,value){
element=$(element);
element.style.opacity=(value==1)?0.999999:(value==='')?'':(value<0.00001)?0:value;
return element;};}
Element._attributeTranslations={
names:{
colspan:"colSpan",
rowspan:"rowSpan",
valign:"vAlign",
datetime:"dateTime",
accesskey:"accessKey",
tabindex:"tabIndex",
enctype:"encType",
maxlength:"maxLength",
readonly:"readOnly",
longdesc:"longDesc"},
values:{
_getAttr:function(element,attribute){
return element.getAttribute(attribute,2);},
_flag:function(element,attribute){
return $(element).hasAttribute(attribute)?attribute:null;},
style:function(element){
return element.style.cssText.toLowerCase();},
title:function(element){
var node=element.getAttributeNode('title');
return node.specified?node.nodeValue:null;}}};(function(){
Object.extend(this,{
href:this._getAttr,
src:this._getAttr,
type:this._getAttr,
disabled:this._flag,
checked:this._flag,
readonly:this._flag,
multiple:this._flag});}).call(Element._attributeTranslations.values);
Element.Methods.Simulated={
hasAttribute:function(element,attribute){
var t=Element._attributeTranslations,node;
attribute=t.names[attribute]||attribute;
node=$(element).getAttributeNode(attribute);
return node&&node.specified;}};
Element.Methods.ByTag={};
Object.extend(Element,Element.Methods);
if(!Prototype.BrowserFeatures.ElementExtensions&&
document.createElement('div').__proto__){
window.HTMLElement={};
window.HTMLElement.prototype=document.createElement('div').__proto__;
Prototype.BrowserFeatures.ElementExtensions=true;}
Element.hasAttribute=function(element,attribute){
if(element.hasAttribute)return element.hasAttribute(attribute);
return Element.Methods.Simulated.hasAttribute(element,attribute);};
Element.addMethods=function(methods){
var F=Prototype.BrowserFeatures,T=Element.Methods.ByTag;
if(!methods){
Object.extend(Form,Form.Methods);
Object.extend(Form.Element,Form.Element.Methods);
Object.extend(Element.Methods.ByTag,{
"FORM":Object.clone(Form.Methods),
"INPUT":Object.clone(Form.Element.Methods),
"SELECT":Object.clone(Form.Element.Methods),
"TEXTAREA":Object.clone(Form.Element.Methods)});}
if(arguments.length==2){
var tagName=methods;
methods=arguments[1];}
if(!tagName)Object.extend(Element.Methods,methods||{});
else{
if(tagName.constructor==Array)tagName.each(extend);
else extend(tagName);}
function extend(tagName){
tagName=tagName.toUpperCase();
if(!Element.Methods.ByTag[tagName])
Element.Methods.ByTag[tagName]={};
Object.extend(Element.Methods.ByTag[tagName],methods);}
function copy(methods,destination,onlyIfAbsent){
onlyIfAbsent=onlyIfAbsent||false;
var cache=Element.extend.cache;
for(var property in methods){
var value=methods[property];
if(!onlyIfAbsent||!(property in destination))
destination[property]=cache.findOrStore(value);}}
function findDOMClass(tagName){
var klass;
var trans={
"OPTGROUP":"OptGroup","TEXTAREA":"TextArea","P":"Paragraph",
"FIELDSET":"FieldSet","UL":"UList","OL":"OList","DL":"DList",
"DIR":"Directory","H1":"Heading","H2":"Heading","H3":"Heading",
"H4":"Heading","H5":"Heading","H6":"Heading","Q":"Quote",
"INS":"Mod","DEL":"Mod","A":"Anchor","IMG":"Image","CAPTION":
"TableCaption","COL":"TableCol","COLGROUP":"TableCol","THEAD":
"TableSection","TFOOT":"TableSection","TBODY":"TableSection","TR":
"TableRow","TH":"TableCell","TD":"TableCell","FRAMESET":
"FrameSet","IFRAME":"IFrame"};
if(trans[tagName])klass='HTML'+trans[tagName]+'Element';
if(window[klass])return window[klass];
klass='HTML'+tagName+'Element';
if(window[klass])return window[klass];
klass='HTML'+tagName.capitalize()+'Element';
if(window[klass])return window[klass];
window[klass]={};
window[klass].prototype=document.createElement(tagName).__proto__;
return window[klass];}
if(F.ElementExtensions){
copy(Element.Methods,HTMLElement.prototype);
copy(Element.Methods.Simulated,HTMLElement.prototype,true);}
if(F.SpecificElementExtensions){
for(var tag in Element.Methods.ByTag){
var klass=findDOMClass(tag);
if(typeof klass=="undefined")continue;
copy(T[tag],klass.prototype);}}
Object.extend(Element,Element.Methods);
delete Element.ByTag;};
var Toggle={display:Element.toggle};
Abstract.Insertion=function(adjacency){
this.adjacency=adjacency;}
Abstract.Insertion.prototype={
initialize:function(element,content){
this.element=$(element);
this.content=content.stripScripts();
if(this.adjacency&&this.element.insertAdjacentHTML){
try{
this.element.insertAdjacentHTML(this.adjacency,this.content);}catch(e){
var tagName=this.element.tagName.toUpperCase();
if(['TBODY','TR'].include(tagName)){
this.insertContent(this.contentFromAnonymousTable());}else{
throw e;}}}else{
this.range=this.element.ownerDocument.createRange();
if(this.initializeRange)this.initializeRange();
this.insertContent([this.range.createContextualFragment(this.content)]);}
setTimeout(function(){content.evalScripts()},10);},
contentFromAnonymousTable:function(){
var div=document.createElement('div');
div.innerHTML='<table><tbody>'+this.content+'</tbody></table>';
return $A(div.childNodes[0].childNodes[0].childNodes);}}
var Insertion=new Object();
Insertion.Before=Class.create();
Insertion.Before.prototype=Object.extend(new Abstract.Insertion('beforeBegin'),{
initializeRange:function(){
this.range.setStartBefore(this.element);},
insertContent:function(fragments){
fragments.each((function(fragment){
this.element.parentNode.insertBefore(fragment,this.element);}).bind(this));}});
Insertion.Top=Class.create();
Insertion.Top.prototype=Object.extend(new Abstract.Insertion('afterBegin'),{
initializeRange:function(){
this.range.selectNodeContents(this.element);
this.range.collapse(true);},
insertContent:function(fragments){
fragments.reverse(false).each((function(fragment){
this.element.insertBefore(fragment,this.element.firstChild);}).bind(this));}});
Insertion.Bottom=Class.create();
Insertion.Bottom.prototype=Object.extend(new Abstract.Insertion('beforeEnd'),{
initializeRange:function(){
this.range.selectNodeContents(this.element);
this.range.collapse(this.element);},
insertContent:function(fragments){
fragments.each((function(fragment){
this.element.appendChild(fragment);}).bind(this));}});
Insertion.After=Class.create();
Insertion.After.prototype=Object.extend(new Abstract.Insertion('afterEnd'),{
initializeRange:function(){
this.range.setStartAfter(this.element);},
insertContent:function(fragments){
fragments.each((function(fragment){
this.element.parentNode.insertBefore(fragment,
this.element.nextSibling);}).bind(this));}});
Element.ClassNames=Class.create();
Element.ClassNames.prototype={
initialize:function(element){
this.element=$(element);},
_each:function(iterator){
this.element.className.split(/\s+/).select(function(name){
return name.length>0;})._each(iterator);},
set:function(className){
this.element.className=className;},
add:function(classNameToAdd){
if(this.include(classNameToAdd))return;
this.set($A(this).concat(classNameToAdd).join(' '));},
remove:function(classNameToRemove){
if(!this.include(classNameToRemove))return;
this.set($A(this).without(classNameToRemove).join(' '));},
toString:function(){
return $A(this).join(' ');}};
Object.extend(Element.ClassNames.prototype,Enumerable);
var Selector=Class.create();
Selector.prototype={
initialize:function(expression){
this.expression=expression.strip();
this.compileMatcher();},
compileMatcher:function(){
if(Prototype.BrowserFeatures.XPath&&!(/\[[\w-]*?:/).test(this.expression))
return this.compileXPathMatcher();
var e=this.expression,ps=Selector.patterns,h=Selector.handlers,
c=Selector.criteria,le,p,m;
if(Selector._cache[e]){
this.matcher=Selector._cache[e];return;}
this.matcher=["this.matcher = function(root) {",
"var r = root, h = Selector.handlers, c = false, n;"];
while(e&&le!=e&&(/\S/).test(e)){
le=e;
for(var i in ps){
p=ps[i];
if(m=e.match(p)){
this.matcher.push(typeof c[i]=='function'?c[i](m):
new Template(c[i]).evaluate(m));
e=e.replace(m[0],'');
break;}}}
this.matcher.push("return h.unique(n);\n}");
eval(this.matcher.join('\n'));
Selector._cache[this.expression]=this.matcher;},
compileXPathMatcher:function(){
var e=this.expression,ps=Selector.patterns,
x=Selector.xpath,le,m;
if(Selector._cache[e]){
this.xpath=Selector._cache[e];return;}
this.matcher=['.//*'];
while(e&&le!=e&&(/\S/).test(e)){
le=e;
for(var i in ps){
if(m=e.match(ps[i])){
this.matcher.push(typeof x[i]=='function'?x[i](m):
new Template(x[i]).evaluate(m));
e=e.replace(m[0],'');
break;}}}
this.xpath=this.matcher.join('');
Selector._cache[this.expression]=this.xpath;},
findElements:function(root){
root=root||document;
if(this.xpath)return document._getElementsByXPath(this.xpath,root);
return this.matcher(root);},
match:function(element){
return this.findElements(document).include(element);},
toString:function(){
return this.expression;},
inspect:function(){
return "#<Selector:"+this.expression.inspect()+">";}};
Object.extend(Selector,{
_cache:{},
xpath:{
descendant:"//*",
child:"/*",
adjacent:"/following-sibling::*[1]",
laterSibling:'/following-sibling::*',
tagName:function(m){
if(m[1]=='*')return '';
return "[local-name()='"+m[1].toLowerCase()+
"' or local-name()='"+m[1].toUpperCase()+"']";},
className:"[contains(concat(' ', @class, ' '), ' #{1} ')]",
id:"[@id='#{1}']",
attrPresence:"[@#{1}]",
attr:function(m){
m[3]=m[5]||m[6];
return new Template(Selector.xpath.operators[m[2]]).evaluate(m);},
pseudo:function(m){
var h=Selector.xpath.pseudos[m[1]];
if(!h)return '';
if(typeof h==='function')return h(m);
return new Template(Selector.xpath.pseudos[m[1]]).evaluate(m);},
operators:{
'=':"[@#{1}='#{3}']",
'!=':"[@#{1}!='#{3}']",
'^=':"[starts-with(@#{1}, '#{3}')]",
'$=':"[substring(@#{1}, (string-length(@#{1}) - string-length('#{3}') + 1))='#{3}']",
'*=':"[contains(@#{1}, '#{3}')]",
'~=':"[contains(concat(' ', @#{1}, ' '), ' #{3} ')]",
'|=':"[contains(concat('-', @#{1}, '-'), '-#{3}-')]"},
pseudos:{
'first-child':'[not(preceding-sibling::*)]',
'last-child':'[not(following-sibling::*)]',
'only-child':'[not(preceding-sibling::* or following-sibling::*)]',
'empty':"[count(*) = 0 and (count(text()) = 0 or translate(text(), ' \t\r\n', '') = '')]",
'checked':"[@checked]",
'disabled':"[@disabled]",
'enabled':"[not(@disabled)]",
'not':function(m){
var e=m[6],p=Selector.patterns,
x=Selector.xpath,le,m,v;
var exclusion=[];
while(e&&le!=e&&(/\S/).test(e)){
le=e;
for(var i in p){
if(m=e.match(p[i])){
v=typeof x[i]=='function'?x[i](m):new Template(x[i]).evaluate(m);
exclusion.push("("+v.substring(1,v.length-1)+")");
e=e.replace(m[0],'');
break;}}}
return "[not("+exclusion.join(" and ")+")]";},
'nth-child':function(m){
return Selector.xpath.pseudos.nth("(count(./preceding-sibling::*) + 1) ",m);},
'nth-last-child':function(m){
return Selector.xpath.pseudos.nth("(count(./following-sibling::*) + 1) ",m);},
'nth-of-type':function(m){
return Selector.xpath.pseudos.nth("position() ",m);},
'nth-last-of-type':function(m){
return Selector.xpath.pseudos.nth("(last() + 1 - position()) ",m);},
'first-of-type':function(m){
m[6]="1";return Selector.xpath.pseudos['nth-of-type'](m);},
'last-of-type':function(m){
m[6]="1";return Selector.xpath.pseudos['nth-last-of-type'](m);},
'only-of-type':function(m){
var p=Selector.xpath.pseudos;return p['first-of-type'](m)+p['last-of-type'](m);},
nth:function(fragment,m){
var mm,formula=m[6],predicate;
if(formula=='even')formula='2n+0';
if(formula=='odd')formula='2n+1';
if(mm=formula.match(/^(\d+)$/))
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 = false;',
attr:function(m){
m[3]=(m[5]||m[6]);
return new Template('n = h.attr(n, r, "#{1}", "#{3}", "#{2}"); c = false;').evaluate(m);},
pseudo:function(m){
if(m[6])m[6]=m[6].replace(/"/g,'\\"');
return new Template('n = h.pseudo(n, "#{1}", "#{6}", r, c); c = false;').evaluate(m);},
descendant:'c = "descendant";',
child:'c = "child";',
adjacent:'c = "adjacent";',
laterSibling:'c = "laterSibling";'},
patterns:{
laterSibling:/^\s*~\s*/,
child:/^\s*>\s*/,
adjacent:/^\s*\+\s*/,
descendant:/^\s/,
tagName:/^\s*(\*|[\w\-]+)(\b|$)?/,
id:/^#([\w\-\*]+)(\b|$)/,
className:/^\.([\w\-\*]+)(\b|$)/,
pseudo:/^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|\s|(?=:))/,
attrPresence:/^\[([\w]+)\]/,
attr:/\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\]]*?)\4|([^'"][^\]]*?)))?\]/},
handlers:{
concat:function(a,b){
for(var i=0,node;node=b[i];i++)
a.push(node);
return a;},
mark:function(nodes){
for(var i=0,node;node=nodes[i];i++)
node._counted=true;
return nodes;},
unmark:function(nodes){
for(var i=0,node;node=nodes[i];i++)
node._counted=undefined;
return nodes;},
index:function(parentNode,reverse,ofType){
parentNode._counted=true;
if(reverse){
for(var nodes=parentNode.childNodes,i=nodes.length-1,j=1;i>=0;i--){
node=nodes[i];
if(node.nodeType==1&&(!ofType||node._counted))node.nodeIndex=j++;}}else{
for(var i=0,j=1,nodes=parentNode.childNodes;node=nodes[i];i++)
if(node.nodeType==1&&(!ofType||node._counted))node.nodeIndex=j++;}},
unique:function(nodes){
if(nodes.length==0)return nodes;
var results=[],n;
for(var i=0,l=nodes.length;i<l;i++)
if(!(n=nodes[i])._counted){
n._counted=true;
results.push(Element.extend(n));}
return Selector.handlers.unmark(results);},
descendant:function(nodes){
var h=Selector.handlers;
for(var i=0,results=[],node;node=nodes[i];i++)
h.concat(results,node.getElementsByTagName('*'));
return results;},
child:function(nodes){
var h=Selector.handlers;
for(var i=0,results=[],node;node=nodes[i];i++){
for(var j=0,children=[],child;child=node.childNodes[j];j++)
if(child.nodeType==1&&child.tagName!='!')results.push(child);}
return results;},
adjacent:function(nodes){
for(var i=0,results=[],node;node=nodes[i];i++){
var next=this.nextElementSibling(node);
if(next)results.push(next);}
return results;},
laterSibling:function(nodes){
var h=Selector.handlers;
for(var i=0,results=[],node;node=nodes[i];i++)
h.concat(results,Element.nextSiblings(node));
return results;},
nextElementSibling:function(node){
while(node=node.nextSibling)
if(node.nodeType==1)return node;
return null;},
previousElementSibling:function(node){
while(node=node.previousSibling)
if(node.nodeType==1)return node;
return null;},
tagName:function(nodes,root,tagName,combinator){
tagName=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()==tagName)results.push(node);
return results;}else return root.getElementsByTagName(tagName);},
id:function(nodes,root,id,combinator){
var targetNode=$(id),h=Selector.handlers;
if(!nodes&&root==document)return targetNode?[targetNode]:[];
if(nodes){
if(combinator){
if(combinator=='child'){
for(var i=0,node;node=nodes[i];i++)
if(targetNode.parentNode==node)return[targetNode];}else if(combinator=='descendant'){
for(var i=0,node;node=nodes[i];i++)
if(Element.descendantOf(targetNode,node))return[targetNode];}else if(combinator=='adjacent'){
for(var i=0,node;node=nodes[i];i++)
if(Selector.handlers.previousElementSibling(targetNode)==node)
return[targetNode];}else nodes=h[combinator](nodes);}
for(var i=0,node;node=nodes[i];i++)
if(node==targetNode)return[targetNode];
return[];}
return(targetNode&&Element.descendantOf(targetNode,root))?[targetNode]:[];},
className:function(nodes,root,className,combinator){
if(nodes&&combinator)nodes=this[combinator](nodes);
return Selector.handlers.byClassName(nodes,root,className);},
byClassName:function(nodes,root,className){
if(!nodes)nodes=Selector.handlers.descendant([root]);
var needle=' '+className+' ';
for(var i=0,results=[],node,nodeClassName;node=nodes[i];i++){
nodeClassName=node.className;
if(nodeClassName.length==0)continue;
if(nodeClassName==className||(' '+nodeClassName+' ').include(needle))
results.push(node);}
return results;},
attrPresence:function(nodes,root,attr){
var results=[];
for(var i=0,node;node=nodes[i];i++)
if(Element.hasAttribute(node,attr))results.push(node);
return results;},
attr:function(nodes,root,attr,value,operator){
if(!nodes)nodes=root.getElementsByTagName("*");
var handler=Selector.operators[operator],results=[];
for(var i=0,node;node=nodes[i];i++){
var nodeValue=Element.readAttribute(node,attr);
if(nodeValue===null)continue;
if(handler(nodeValue,value))results.push(node);}
return results;},
pseudo:function(nodes,name,value,root,combinator){
if(nodes&&combinator)nodes=this[combinator](nodes);
if(!nodes)nodes=root.getElementsByTagName("*");
return Selector.pseudos[name](nodes,value,root);}},
pseudos:{
'first-child':function(nodes,value,root){
for(var i=0,results=[],node;node=nodes[i];i++){
if(Selector.handlers.previousElementSibling(node))continue;
results.push(node);}
return results;},
'last-child':function(nodes,value,root){
for(var i=0,results=[],node;node=nodes[i];i++){
if(Selector.handlers.nextElementSibling(node))continue;
results.push(node);}
return results;},
'only-child':function(nodes,value,root){
var h=Selector.handlers;
for(var i=0,results=[],node;node=nodes[i];i++)
if(!h.previousElementSibling(node)&&!h.nextElementSibling(node))
results.push(node);
return results;},
'nth-child':function(nodes,formula,root){
return Selector.pseudos.nth(nodes,formula,root);},
'nth-last-child':function(nodes,formula,root){
return Selector.pseudos.nth(nodes,formula,root,true);},
'nth-of-type':function(nodes,formula,root){
return Selector.pseudos.nth(nodes,formula,root,false,true);},
'nth-last-of-type':function(nodes,formula,root){
return Selector.pseudos.nth(nodes,formula,root,true,true);},
'first-of-type':function(nodes,formula,root){
return Selector.pseudos.nth(nodes,"1",root,false,true);},
'last-of-type':function(nodes,formula,root){
return Selector.pseudos.nth(nodes,"1",root,true,true);},
'only-of-type':function(nodes,formula,root){
var p=Selector.pseudos;
return p['last-of-type'](p['first-of-type'](nodes,formula,root),formula,root);},
getIndices:function(a,b,total){
if(a==0)return b>0?[b]:[];
return $R(1,total).inject([],function(memo,i){
if(0==(i-b)%a&&(i-b)/a>=0)memo.push(i);
return memo;});},
nth:function(nodes,formula,root,reverse,ofType){
if(nodes.length==0)return[];
if(formula=='even')formula='2n+0';
if(formula=='odd')formula='2n+1';
var h=Selector.handlers,results=[],indexed=[],m;
h.mark(nodes);
for(var i=0,node;node=nodes[i];i++){
if(!node.parentNode._counted){
h.index(node.parentNode,reverse,ofType);
indexed.push(node.parentNode);}}
if(formula.match(/^\d+$/)){
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&&!node.innerHTML.match(/^\s*$/)))continue;
results.push(node);}
return results;},
'not':function(nodes,selector,root){
var h=Selector.handlers,selectorType,m;
var exclusions=new Selector(selector).findElements(root);
h.mark(exclusions);
for(var i=0,results=[],node;node=nodes[i];i++)
if(!node._counted)results.push(node);
h.unmark(exclusions);
return results;},
'enabled':function(nodes,value,root){
for(var i=0,results=[],node;node=nodes[i];i++)
if(!node.disabled)results.push(node);
return results;},
'disabled':function(nodes,value,root){
for(var i=0,results=[],node;node=nodes[i];i++)
if(node.disabled)results.push(node);
return results;},
'checked':function(nodes,value,root){
for(var i=0,results=[],node;node=nodes[i];i++)
if(node.checked)results.push(node);
return results;}},
operators:{
'=':function(nv,v){return nv==v;},
'!=':function(nv,v){return nv!=v;},
'^=':function(nv,v){return nv.startsWith(v);},
'$=':function(nv,v){return nv.endsWith(v);},
'*=':function(nv,v){return nv.include(v);},
'~=':function(nv,v){return(' '+nv+' ').include(' '+v+' ');},
'|=':function(nv,v){return('-'+nv.toUpperCase()+'-').include('-'+v.toUpperCase()+'-');}},
matchElements:function(elements,expression){
var matches=new Selector(expression).findElements(),h=Selector.handlers;
h.mark(matches);
for(var i=0,results=[],element;element=elements[i];i++)
if(element._counted)results.push(element);
h.unmark(matches);
return results;},
findElement:function(elements,expression,index){
if(typeof expression=='number'){
index=expression;expression=false;}
return Selector.matchElements(elements,expression||'*')[index||0];},
findChildElements:function(element,expressions){
var exprs=expressions.join(','),expressions=[];
exprs.scan(/(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/,function(m){
expressions.push(m[1].strip());});
var results=[],h=Selector.handlers;
for(var i=0,l=expressions.length,selector;i<l;i++){
selector=new Selector(expressions[i].strip());
h.concat(results,selector.findElements(element));}
return(l>1)?h.unique(results):results;}});
function $$(){
return Selector.findChildElements(document,$A(arguments));}
var Form={
reset:function(form){
$(form).reset();
return form;},
serializeElements:function(elements,getHash){
var data=elements.inject({},function(result,element){
if(!element.disabled&&element.name){
var key=element.name,value=$(element).getValue();
if(value!=null){
if(key in result){
if(result[key].constructor !=Array)result[key]=[result[key]];
result[key].push(value);}
else result[key]=value;}}
return result;});
return getHash?data:Hash.toQueryString(data);}};
Form.Methods={
serialize:function(form,getHash){
return Form.serializeElements(Form.getElements(form),getHash);},
getElements:function(form){
return $A($(form).getElementsByTagName('*')).inject([],
function(elements,child){
if(Form.Element.Serializers[child.tagName.toLowerCase()])
elements.push(Element.extend(child));
return elements;});},
getInputs:function(form,typeName,name){
form=$(form);
var inputs=form.getElementsByTagName('input');
if(!typeName&&!name)return $A(inputs).map(Element.extend);
for(var i=0,matchingInputs=[],length=inputs.length;i<length;i++){
var input=inputs[i];
if((typeName&&input.type!=typeName)||(name&&input.name!=name))
continue;
matchingInputs.push(Element.extend(input));}
return matchingInputs;},
disable:function(form){
form=$(form);
Form.getElements(form).invoke('disable');
return form;},
enable:function(form){
form=$(form);
Form.getElements(form).invoke('enable');
return form;},
findFirstElement:function(form){
return $(form).getElements().find(function(element){
return element.type!='hidden'&&!element.disabled&&['input','select','textarea'].include(element.tagName.toLowerCase());});},
focusFirstElement:function(form){
form=$(form);
form.findFirstElement().activate();
return form;},
request:function(form,options){
form=$(form),options=Object.clone(options||{});
var params=options.parameters;
options.parameters=form.serialize(true);
if(params){
if(typeof params=='string')params=params.toQueryParams();
Object.extend(options.parameters,params);}
if(form.hasAttribute('method')&&!options.method)
options.method=form.method;
return new Ajax.Request(form.readAttribute('action'),options);}}
Form.Element={
focus:function(element){
$(element).focus();
return element;},
select:function(element){
$(element).select();
return element;}}
Form.Element.Methods={
serialize:function(element){
element=$(element);
if(!element.disabled&&element.name){
var value=element.getValue();
if(value!=undefined){
var pair={};
pair[element.name]=value;
return Hash.toQueryString(pair);}}
return '';},
getValue:function(element){
element=$(element);
var method=element.tagName.toLowerCase();
return Form.Element.Serializers[method](element);},
clear:function(element){
$(element).value='';
return element;},
present:function(element){
return $(element).value!='';},
activate:function(element){
element=$(element);
try{
element.focus();
if(element.select&&(element.tagName.toLowerCase()!='input'||!['button','reset','submit'].include(element.type)))
element.select();}catch(e){}
return element;},
disable:function(element){
element=$(element);
element.blur();
element.disabled=true;
return element;},
enable:function(element){
element=$(element);
element.disabled=false;
return element;}}
var Field=Form.Element;
var $F=Form.Element.Methods.getValue;
Form.Element.Serializers={
input:function(element){
switch(element.type.toLowerCase()){
case 'checkbox':
case 'radio':
return Form.Element.Serializers.inputSelector(element);
default:
return Form.Element.Serializers.textarea(element);}},
inputSelector:function(element){
return element.checked?element.value:null;},
textarea:function(element){
return element.value;},
select:function(element){
return this[element.type=='select-one'?
'selectOne':'selectMany'](element);},
selectOne:function(element){
var index=element.selectedIndex;
return index>=0?this.optionValue(element.options[index]):null;},
selectMany:function(element){
var values,length=element.length;
if(!length)return null;
for(var i=0,values=[];i<length;i++){
var opt=element.options[i];
if(opt.selected)values.push(this.optionValue(opt));}
return values;},
optionValue:function(opt){
return Element.extend(opt).hasAttribute('value')?opt.value:opt.text;}}
Abstract.TimedObserver=function(){}
Abstract.TimedObserver.prototype={
initialize:function(element,frequency,callback){
this.frequency=frequency;
this.element=$(element);
this.callback=callback;
this.lastValue=this.getValue();
this.registerCallback();},
registerCallback:function(){
setInterval(this.onTimerEvent.bind(this),this.frequency*1000);},
onTimerEvent:function(){
var value=this.getValue();
var changed=('string'==typeof this.lastValue&&'string'==typeof value?this.lastValue!=value:String(this.lastValue)!=String(value));
if(changed){
this.callback(this.element,value);
this.lastValue=value;}}}
Form.Element.Observer=Class.create();
Form.Element.Observer.prototype=Object.extend(new Abstract.TimedObserver(),{
getValue:function(){
return Form.Element.getValue(this.element);}});
Form.Observer=Class.create();
Form.Observer.prototype=Object.extend(new Abstract.TimedObserver(),{
getValue:function(){
return Form.serialize(this.element);}});
Abstract.EventObserver=function(){}
Abstract.EventObserver.prototype={
initialize:function(element,callback){
this.element=$(element);
this.callback=callback;
this.lastValue=this.getValue();
if(this.element.tagName.toLowerCase()=='form')
this.registerFormCallbacks();
else
this.registerCallback(this.element);},
onElementEvent:function(){
var value=this.getValue();
if(this.lastValue!=value){
this.callback(this.element,value);
this.lastValue=value;}},
registerFormCallbacks:function(){
Form.getElements(this.element).each(this.registerCallback.bind(this));},
registerCallback:function(element){
if(element.type){
switch(element.type.toLowerCase()){
case 'checkbox':
case 'radio':
Event.observe(element,'click',this.onElementEvent.bind(this));
break;
default:
Event.observe(element,'change',this.onElementEvent.bind(this));
break;}}}}
Form.Element.EventObserver=Class.create();
Form.Element.EventObserver.prototype=Object.extend(new Abstract.EventObserver(),{
getValue:function(){
return Form.Element.getValue(this.element);}});
Form.EventObserver=Class.create();
Form.EventObserver.prototype=Object.extend(new Abstract.EventObserver(),{
getValue:function(){
return Form.serialize(this.element);}});
if(!window.Event){
var Event=new Object();}
Object.extend(Event,{
KEY_BACKSPACE:8,
KEY_TAB:9,
KEY_RETURN:13,
KEY_ESC:27,
KEY_LEFT:37,
KEY_UP:38,
KEY_RIGHT:39,
KEY_DOWN:40,
KEY_DELETE:46,
KEY_HOME:36,
KEY_END:35,
KEY_PAGEUP:33,
KEY_PAGEDOWN:34,
element:function(event){
return $(event.target||event.srcElement);},
isLeftClick:function(event){
return(((event.which)&&(event.which==1))||((event.button)&&(event.button==1)));},
pointerX:function(event){
return event.pageX||(event.clientX+(document.documentElement.scrollLeft||document.body.scrollLeft));},
pointerY:function(event){
return event.pageY||(event.clientY+(document.documentElement.scrollTop||document.body.scrollTop));},
stop:function(event){
if(event.preventDefault){
event.preventDefault();
event.stopPropagation();}else{
event.returnValue=false;
event.cancelBubble=true;}},
findElement:function(event,tagName){
var element=Event.element(event);
while(element.parentNode&&(!element.tagName||(element.tagName.toUpperCase()!=tagName.toUpperCase())))
element=element.parentNode;
return element;},
observers:false,
_observeAndCache:function(element,name,observer,useCapture){
if(!this.observers)this.observers=[];
if(element.addEventListener){
this.observers.push([element,name,observer,useCapture]);
element.addEventListener(name,observer,useCapture);}else if(element.attachEvent){
this.observers.push([element,name,observer,useCapture]);
element.attachEvent('on'+name,observer);}},
unloadCache:function(){
if(!Event.observers)return;
for(var i=0,length=Event.observers.length;i<length;i++){
Event.stopObserving.apply(this,Event.observers[i]);
Event.observers[i][0]=null;}
Event.observers=false;},
observe:function(element,name,observer,useCapture){
element=$(element);
useCapture=useCapture||false;
if(name=='keypress'&&(Prototype.Browser.WebKit||element.attachEvent))
name='keydown';
Event._observeAndCache(element,name,observer,useCapture);},
stopObserving:function(element,name,observer,useCapture){
element=$(element);
useCapture=useCapture||false;
if(name=='keypress'&&(Prototype.Browser.WebKit||element.attachEvent))
name='keydown';
if(element.removeEventListener){
element.removeEventListener(name,observer,useCapture);}else if(element.detachEvent){
try{
element.detachEvent('on'+name,observer);}catch(e){}}}});
if(Prototype.Browser.IE)
Event.observe(window,'unload',Event.unloadCache,false);
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;},
realOffset:function(element){
var valueT=0,valueL=0;
do{
valueT+=element.scrollTop||0;
valueL+=element.scrollLeft||0;
element=element.parentNode;}while(element);
return[valueL,valueT];},
cumulativeOffset:function(element){
var valueT=0,valueL=0;
do{
valueT+=element.offsetTop||0;
valueL+=element.offsetLeft||0;
element=element.offsetParent;}while(element);
return[valueL,valueT];},
positionedOffset:function(element){
var valueT=0,valueL=0;
do{
valueT+=element.offsetTop||0;
valueL+=element.offsetLeft||0;
element=element.offsetParent;
if(element){
if(element.tagName=='BODY')break;
var p=Element.getStyle(element,'position');
if(p=='relative'||p=='absolute')break;}}while(element);
return[valueL,valueT];},
offsetParent:function(element){
if(element.offsetParent)return element.offsetParent;
if(element==document.body)return element;
while((element=element.parentNode)&&element!=document.body)
if(Element.getStyle(element,'position')!='static')
return element;
return document.body;},
within:function(element,x,y){
if(this.includeScrollOffsets)
return this.withinIncludingScrolloffsets(element,x,y);
this.xcomp=x;
this.ycomp=y;
this.offset=this.cumulativeOffset(element);
return(y>=this.offset[1]&&
y<this.offset[1]+element.offsetHeight&&
x>=this.offset[0]&&
x<this.offset[0]+element.offsetWidth);},
withinIncludingScrolloffsets:function(element,x,y){
var offsetcache=this.realOffset(element);
this.xcomp=x+offsetcache[0]-this.deltaX;
this.ycomp=y+offsetcache[1]-this.deltaY;
this.offset=this.cumulativeOffset(element);
return(this.ycomp>=this.offset[1]&&
this.ycomp<this.offset[1]+element.offsetHeight&&
this.xcomp>=this.offset[0]&&
this.xcomp<this.offset[0]+element.offsetWidth);},
overlap:function(mode,element){
if(!mode)return 0;
if(mode=='vertical')
return((this.offset[1]+element.offsetHeight)-this.ycomp)/
element.offsetHeight;
if(mode=='horizontal')
return((this.offset[0]+element.offsetWidth)-this.xcomp)/
element.offsetWidth;},
page:function(forElement){
var valueT=0,valueL=0;
var element=forElement;
do{
valueT+=element.offsetTop||0;
valueL+=element.offsetLeft||0;
if(element.offsetParent==document.body)
if(Element.getStyle(element,'position')=='absolute')break;}while(element=element.offsetParent);
element=forElement;
do{
if(!window.opera||element.tagName=='BODY'){
valueT-=element.scrollTop||0;
valueL-=element.scrollLeft||0;}}while(element=element.parentNode);
return[valueL,valueT];},
clone:function(source,target){
var options=Object.extend({
setLeft:true,
setTop:true,
setWidth:true,
setHeight:true,
offsetTop:0,
offsetLeft:0},arguments[2]||{})
source=$(source);
var p=Position.page(source);
target=$(target);
var delta=[0,0];
var parent=null;
if(Element.getStyle(target,'position')=='absolute'){
parent=Position.offsetParent(target);
delta=Position.page(parent);}
if(parent==document.body){
delta[0]-=document.body.offsetLeft;
delta[1]-=document.body.offsetTop;}
if(options.setLeft)target.style.left=(p[0]-delta[0]+options.offsetLeft)+'px';
if(options.setTop)target.style.top=(p[1]-delta[1]+options.offsetTop)+'px';
if(options.setWidth)target.style.width=source.offsetWidth+'px';
if(options.setHeight)target.style.height=source.offsetHeight+'px';},
absolutize:function(element){
element=$(element);
if(element.style.position=='absolute')return;
Position.prepare();
var offsets=Position.positionedOffset(element);
var top=offsets[1];
var left=offsets[0];
var width=element.clientWidth;
var height=element.clientHeight;
element._originalLeft=left-parseFloat(element.style.left||0);
element._originalTop=top-parseFloat(element.style.top||0);
element._originalWidth=element.style.width;
element._originalHeight=element.style.height;
element.style.position='absolute';
element.style.top=top+'px';
element.style.left=left+'px';
element.style.width=width+'px';
element.style.height=height+'px';},
relativize:function(element){
element=$(element);
if(element.style.position=='relative')return;
Position.prepare();
element.style.position='relative';
var top=parseFloat(element.style.top||0)-(element._originalTop||0);
var left=parseFloat(element.style.left||0)-(element._originalLeft||0);
element.style.top=top+'px';
element.style.left=left+'px';
element.style.height=element._originalHeight;
element.style.width=element._originalWidth;}}
if(Prototype.Browser.WebKit){
Position.cumulativeOffset=function(element){
var valueT=0,valueL=0;
do{
valueT+=element.offsetTop||0;
valueL+=element.offsetLeft||0;
if(element.offsetParent==document.body)
if(Element.getStyle(element,'position')=='absolute')break;
element=element.offsetParent;}while(element);
return[valueL,valueT];}}
Element.addMethods();