var Prototype={
Version:'1.7',
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/.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'),
form=document.createElement('form'),
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*$/,
emptyFunction:function(){},
K:function(x){return x}
};
if(Prototype.Browser.MobileSafari)
Prototype.BrowserFeatures.SpecificElementExtensions=false;
var Class=(function(){
var IS_DONTENUM_BUGGY=(function(){
for(var p in{toString:1}){
if(p==='toString')return false;
}
return true;
})();
function subclass(){};
function create(){
var parent=null,properties=$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,length=properties.length;i<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,
properties=Object.keys(source);
if(IS_DONTENUM_BUGGY){
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()[0]=="$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,
NULL_TYPE='Null',
UNDEFINED_TYPE='Undefined',
BOOLEAN_TYPE='Boolean',
NUMBER_TYPE='Number',
STRING_TYPE='String',
OBJECT_TYPE='Object',
FUNCTION_CLASS='[object Function]',
BOOLEAN_CLASS='[object Boolean]',
NUMBER_CLASS='[object Number]',
STRING_CLASS='[object String]',
ARRAY_CLASS='[object Array]',
DATE_CLASS='[object Date]',
NATIVE_JSON_STRINGIFY_SUPPORT=window.JSON&&
typeof JSON.stringify==='function'&&
JSON.stringify(0)==='0'&&
typeof JSON.stringify(Prototype.K)==='undefined';
function Type(o){
switch(o){
case null:return NULL_TYPE;
case(void 0):return UNDEFINED_TYPE;
}
var type=typeof o;
switch(type){
case'boolean':return BOOLEAN_TYPE;
case'number':return NUMBER_TYPE;
case'string':return STRING_TYPE;
}
return OBJECT_TYPE;
}
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(value){
return Str('',{'':value},[]);
}
function Str(key,holder,stack){
var value=holder[key],
type=typeof value;
if(Type(value)===OBJECT_TYPE&&typeof value.toJSON==='function'){
value=value.toJSON(key);
}
var _class=_toString.call(value);
switch(_class){
case NUMBER_CLASS:
case BOOLEAN_CLASS:
case STRING_CLASS:
value=value.valueOf();
}
switch(value){
case null:return'null';
case true:return'true';
case false:return'false';
}
type=typeof value;
switch(type){
case'string':
return value.inspect(true);
case'number':
return isFinite(value)?String(value):'null';
case'object':
for(var i=0,length=stack.length;i<length;i++){
if(stack[i]===value){throw new TypeError();}
}
stack.push(value);
var partial=[];
if(_class===ARRAY_CLASS){
for(var i=0,length=value.length;i<length;i++){
var str=Str(i,value,stack);
partial.push(typeof str==='undefined'?'null':str);
}
partial='['+partial.join(',')+']';
}else{
var keys=Object.keys(value);
for(var i=0,length=keys.length;i<length;i++){
var key=keys[i],str=Str(key,value,stack);
if(typeof str!=="undefined"){
partial.push(key.inspect(true)+':'+str);
}
}
partial='{'+partial.join(',')+'}';
}
stack.pop();
return partial;
}
}
function stringify(object){
return JSON.stringify(object);
}
function toQueryString(object){
return $H(object).toQueryString();
}
function toHTML(object){
return object&&object.toHTML?object.toHTML():String.interpret(object);
}
function keys(object){
if(Type(object)!==OBJECT_TYPE){throw new TypeError();}
var results=[];
for(var property in object){
if(object.hasOwnProperty(property)){
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)===ARRAY_CLASS;
}
var hasNativeIsArray=(typeof Array.isArray=='function')
&&Array.isArray([])&&!Array.isArray({});
if(hasNativeIsArray){
isArray=Array.isArray;
}
function isHash(object){
return object instanceof Hash;
}
function isFunction(object){
return _toString.call(object)===FUNCTION_CLASS;
}
function isString(object){
return _toString.call(object)===STRING_CLASS;
}
function isNumber(object){
return _toString.call(object)===NUMBER_CLASS;
}
function isDate(object){
return _toString.call(object)===DATE_CLASS;
}
function isUndefined(object){
return typeof object==="undefined";
}
extend(Object,{
extend:extend,
inspect:inspect,
toJSON:NATIVE_JSON_STRINGIFY_SUPPORT?stringify:toJSON,
toQueryString:toQueryString,
toHTML:toHTML,
keys:Object.keys||keys,
values:values,
clone:clone,
isElement:isElement,
isArray:isArray,
isHash:isHash,
isFunction:isFunction,
isString:isString,
isNumber:isNumber,
isDate:isDate,
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
}
})());
(function(proto){
function toISOString(){
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';
}
function toJSON(){
return this.toISOString();
}
if(!proto.toISOString)proto.toISOString=toISOString;
if(!proto.toJSON)proto.toJSON=toJSON;
})(Date.prototype);
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(){
var NATIVE_JSON_PARSE_SUPPORT=window.JSON&&
typeof JSON.parse==='function'&&
JSON.parse('{"test": true}').test;
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+$/,'');
}
function stripTags(){
return this.replace(/<\w+(\s+("[^"]*"|'[^']*'|[^>])+)?>|<\/\w+>/gi,'');
}
function stripScripts(){
return this.replace(new RegExp(Prototype.ScriptFragment,'img'),'');
}
function extractScripts(){
var matchAll=new RegExp(Prototype.ScriptFragment,'img'),
matchOne=new RegExp(Prototype.ScriptFragment,'im');
return(this.match(matchAll)||[]).map(function(scriptTag){
return(scriptTag.match(matchOne)||['',''])[1];
});
}
function evalScripts(){
return this.extractScripts().map(function(script){return eval(script)});
}
function escapeHTML(){
return this.replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;');
}
function unescapeHTML(){
return this.stripTags().replace(/&lt;/g,'<').replace(/&gt;/g,'>').replace(/&amp;/g,'&');
}
function toQueryParams(separator){
var match=this.strip().match(/([^?#]*)(#.*)?$/);
if(!match)return{};
return match[1].split(separator||'&').inject({},function(hash,pair){
if((pair=pair.split('='))[0]){
var key=decodeURIComponent(pair.shift()),
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(){
return this.replace(/-+(.)?/g,function(match,chr){
return chr?chr.toUpperCase():'';
});
}
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 unfilterJSON(filter){
return this.replace(filter||Prototype.JSONFilter,'$1');
}
function isJSON(){
var str=this;
if(str.blank())return false;
str=str.replace(/\\(?:["\\\/bfnrt]|u[0-9a-fA-F]{4})/g,'@');
str=str.replace(/"[^"\\\n\r]*"|true|false|null|-?\d+(?:\.\d*)?(?:[eE][+\-]?\d+)?/g,']');
str=str.replace(/(?:^|:|,)(?:\s*\[)+/g,'');
return(/^[\],:{}\s]*$/).test(str);
}
function evalJSON(sanitize){
var json=this.unfilterJSON(),
cx=/[\u0000\u00ad\u0600-\u0604\u070f\u17b4\u17b5\u200c-\u200f\u2028-\u202f\u2060-\u206f\ufeff\ufff0-\uffff]/g;
if(cx.test(json)){
json=json.replace(cx,function(a){
return'\\u'+('0000'+a.charCodeAt(0).toString(16)).slice(-4);
});
}
try{
if(!sanitize||json.isJSON())return eval('('+json+')');
}catch(e){}
throw new SyntaxError('Badly formed JSON string: '+this.inspect());
}
function parseJSON(){
var json=this.unfilterJSON();
return JSON.parse(json);
}
function include(pattern){
return this.indexOf(pattern)>-1;
}
function startsWith(pattern){
return this.lastIndexOf(pattern,0)===0;
}
function endsWith(pattern){
var d=this.length-pattern.length;
return d>=0&&this.indexOf(pattern,d)===d;
}
function empty(){
return this=='';
}
function blank(){
return/^\s*$/.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||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,
unfilterJSON:unfilterJSON,
isJSON:isJSON,
evalJSON:NATIVE_JSON_PARSE_SUPPORT?parseJSON: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],
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,context){
for(var i=0,length=this.length>>>0;i<length;i++){
if(i in this)iterator.call(context,this[i],i,this);
}
}
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.toArray():this)._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 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
});
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)){
var queryValues=[];
for(var i=0,len=values.length,value;i<len;i++){
value=values[i];
queryValues.push(toQueryPair(key,value));
}
return results.concat(queryValues);
}
}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 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:toObject,
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 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,
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 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 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.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.isString(this.options.parameters)?
this.options.parameters:
Object.toQueryString(this.options.parameters);
if(!['get','post'].include(this.method)){
params+=(params?'&':'')+"_method="+this.method;
this.method='post';
}
if(params&&this.method==='get'){
this.url+=(this.url.include('?')?'&':'?')+params;
}
this.parameters=params.toQueryParams();
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
$H(extras).each(function(pair){headers[pair.key]=pair.value});
}
for(var name in headers)
this.transport.setRequestHeader(name,headers[name]);
},
success:function(){
var status=this.getStatus();
return!status||(status>=200&&status<300)||status==304;
},
getStatus:function(){
try{
if(this.transport.status===1223)return 204;
return this.transport.status||0;
}catch(e){return 0}
},
respondToReadyState:function(readyState){
var state=Ajax.Request.Events[readyState],response=new Ajax.Response(this);
if(state=='Complete'){
try{
this._complete=true;
(this.options['on'+response.status]
||this.options['on'+(this.success()?'Success':'Failure')]
||Prototype.emptyFunction)(response,response.headerJSON);
}catch(e){
this.dispatchException(e);
}
var contentType=response.getHeader('Content-type');
if(this.options.evalJS=='force'
||(this.options.evalJS&&this.isSameOrigin()&&contentType
&&contentType.match(/^\s*(text|application)\/(x-)?(java|ecma)script(;.*)?\s*$/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(!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){
function shouldUseCache(tagName,attributes){
if(tagName==='select')return false;
if('type'in attributes)return false;
return true;
}
var HAS_EXTENDED_CREATE_ELEMENT_SYNTAX=(function(){
try{
var el=document.createElement('<input name="x">');
return el.tagName.toLowerCase()==='input'&&el.name==='x';
}
catch(err){
return false;
}
})();
var element=global.Element;
global.Element=function(tagName,attributes){
attributes=attributes||{};
tagName=tagName.toLowerCase();
var cache=Element.cache;
if(HAS_EXTENDED_CREATE_ELEMENT_SYNTAX&&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));
var node=shouldUseCache(tagName,attributes)?
cache[tagName].cloneNode(false):document.createElement(tagName);
return Element.writeAttribute(node,attributes);
};
Object.extend(global.Element,element||{});
if(element)global.Element.prototype=element.prototype;
})(this);
Element.idCounter=1;
Element.cache={};
Element._purgeElement=function(element){
var uid=element._prototypeUID;
if(uid){
Element.stopObserving(element);
element._prototypeUID=void 0;
delete Element.Storage[uid];
}
}
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=$(element);
element.parentNode.removeChild(element);
return element;
},
update:(function(){
var SELECT_ELEMENT_INNERHTML_BUGGY=(function(){
var el=document.createElement("select"),
isBuggy=true;
el.innerHTML="<option value=\"test\">test</option>";
if(el.options&&el.options[0]){
isBuggy=el.options[0].nodeName.toUpperCase()!=="OPTION";
}
el=null;
return isBuggy;
})();
var TABLE_ELEMENT_INNERHTML_BUGGY=(function(){
try{
var el=document.createElement("table");
if(el&&el.tBodies){
el.innerHTML="<tbody><tr><td>test</td></tr></tbody>";
var isBuggy=typeof el.tBodies[0]=="undefined";
el=null;
return isBuggy;
}
}catch(e){
return true;
}
})();
var LINK_ELEMENT_INNERHTML_BUGGY=(function(){
try{
var el=document.createElement('div');
el.innerHTML="<link>";
var isBuggy=(el.childNodes.length===0);
el=null;
return isBuggy;
}catch(e){
return true;
}
})();
var ANY_INNERHTML_BUGGY=SELECT_ELEMENT_INNERHTML_BUGGY||
TABLE_ELEMENT_INNERHTML_BUGGY||LINK_ELEMENT_INNERHTML_BUGGY;
var SCRIPT_ELEMENT_REJECTS_TEXTNODE_APPENDING=(function(){
var s=document.createElement("script"),
isBuggy=false;
try{
s.appendChild(document.createTextNode(""));
isBuggy=!s.firstChild||
s.firstChild&&s.firstChild.nodeType!==3;
}catch(e){
isBuggy=true;
}
s=null;
return isBuggy;
})();
function update(element,content){
element=$(element);
var purgeElement=Element._purgeElement;
var descendants=element.getElementsByTagName('*'),
i=descendants.length;
while(i--)purgeElement(descendants[i]);
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(ANY_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 if(LINK_ELEMENT_INNERHTML_BUGGY&&Object.isString(content)&&content.indexOf('<link')>-1){
while(element.firstChild){
element.removeChild(element.firstChild);
}
var nodes=Element._getContentFromAnonymousElement(tagName,content.stripScripts(),true);
nodes.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();
$H({'id':'id','className':'class'}).each(function(pair){
var property=pair.first(),
attribute=pair.last(),
value=(element[property]||'').toString();
if(value)result+=' '+attribute+'='+value.inspect(true);
});
return result+'>';
},
recursivelyCollect:function(element,property,maximumLength){
element=$(element);
maximumLength=maximumLength||-1;
var elements=[];
while(element=element[property]){
if(element.nodeType==1)
elements.push(Element.extend(element));
if(elements.length==maximumLength)
break;
}
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 $(element);
},
immediateDescendants:function(element){
var results=[],child=$(element).firstChild;
while(child){
if(child.nodeType===1){
results.push(Element.extend(child));
}
child=child.nextSibling;
}
return results;
},
previousSiblings:function(element,maximumLength){
return Element.recursivelyCollect(element,'previousSibling');
},
nextSiblings:function(element){
return Element.recursivelyCollect(element,'nextSibling');
},
siblings:function(element){
element=$(element);
return Element.previousSiblings(element).reverse()
.concat(Element.nextSiblings(element));
},
match:function(element,selector){
element=$(element);
if(Object.isString(selector))
return Prototype.Selector.match(element,selector);
return selector.match(element);
},
up:function(element,expression,index){
element=$(element);
if(arguments.length==1)return $(element.parentNode);
var ancestors=Element.ancestors(element);
return Object.isNumber(expression)?ancestors[expression]:
Prototype.Selector.find(ancestors,expression,index);
},
down:function(element,expression,index){
element=$(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=$(element);
if(Object.isNumber(expression))index=expression,expression=false;
if(!Object.isNumber(index))index=0;
if(expression){
return Prototype.Selector.find(element.previousSiblings(),expression,index);
}else{
return element.recursivelyCollect("previousSibling",index+1)[index];
}
},
next:function(element,expression,index){
element=$(element);
if(Object.isNumber(expression))index=expression,expression=false;
if(!Object.isNumber(index))index=0;
if(expression){
return Prototype.Selector.find(element.nextSiblings(),expression,index);
}else{
var maximumLength=Object.isNumber(index)?index+1:1;
return element.recursivelyCollect("nextSibling",index+1)[index];
}
},
select:function(element){
element=$(element);
var expressions=Array.prototype.slice.call(arguments,1).join(', ');
return Prototype.Selector.select(expressions,element);
},
adjacent:function(element){
element=$(element);
var expressions=Array.prototype.slice.call(arguments,1).join(', ');
return Prototype.Selector.select(expressions,element.parentNode).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=$(element);
element.style.opacity=(value==1||value==='')?'':
(value<0.00001)?0:value;
return element;
},
makePositioned:function(element){
element=$(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=$(element);
if(!element._overflow)return element;
element.style.overflow=element._overflow=='auto'?'':element._overflow;
element._overflow=null;
return element;
},
clonePosition:function(element,source){
var options=Object.extend({
setLeft:true,
setTop:true,
setWidth:true,
setHeight:true,
offsetTop:0,
offsetLeft:0
},arguments[2]||{});
source=$(source);
var p=Element.viewportOffset(source),delta=[0,0],parent=null;
element=$(element);
if(Element.getStyle(element,'position')=='absolute'){
parent=Element.getOffsetParent(element);
delta=Element.viewportOffset(parent);
}
if(parent==document.body){
delta[0]-=document.body.offsetLeft;
delta[1]-=document.body.offsetTop;
}
if(options.setLeft)element.style.left=(p[0]-delta[0]+options.offsetLeft)+'px';
if(options.setTop)element.style.top=(p[1]-delta[1]+options.offsetTop)+'px';
if(options.setWidth)element.style.width=source.offsetWidth+'px';
if(options.setHeight)element.style.height=source.offsetHeight+'px';
return element;
}
};
Object.extend(Element.Methods,{
getElementsBySelector:Element.Methods.select,
childElements:Element.Methods.immediateDescendants
});
Element._attributeTranslations={
write:{
names:{
className:'class',
htmlFor:'for'
},
values:{}
}
};
if(Prototype.Browser.Opera){
Element.Methods.getStyle=Element.Methods.getStyle.wrap(
function(proceed,element,style){
switch(style){
case'height':case'width':
if(!Element.visible(element))return null;
var dim=parseInt(proceed(element,style),10);
if(dim!==element['offset'+style.capitalize()])
return dim+'px';
var properties;
if(style==='height'){
properties=['border-top-width','padding-top',
'padding-bottom','border-bottom-width'];
}
else{
properties=['border-left-width','padding-left',
'padding-right','border-right-width'];
}
return properties.inject(dim,function(memo,property){
var val=proceed(element,property);
return val===null?memo:memo-parseInt(val,10);
})+'px';
default:return proceed(element,style);
}
}
);
Element.Methods.readAttribute=Element.Methods.readAttribute.wrap(
function(proceed,element,attribute){
if(attribute==='title')return element.title;
return proceed(element,attribute);
}
);
}
else if(Prototype.Browser.IE){
Element.Methods.getStyle=function(element,style){
element=$(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',
forProp='for',
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'),f;
el.onclick=Prototype.emptyFunction;
var value=el.getAttribute('onclick');
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;
};
}
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(),
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,force){
var div=new Element('div'),
t=Element._insertionTranslations.tags[tagName];
var workaround=false;
if(t)workaround=true;
else if(force){
workaround=true;
t=['','',0];
}
if(workaround){
div.innerHTML='&nbsp;'+t[0]+html+t[1];
div.removeChild(div.firstChild);
for(var i=t[2];i--;){
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),
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;
})();
if(document.documentElement.hasAttribute){
Element.hasAttribute=function(element,attribute){
return element.hasAttribute(attribute);
};
}
else{
Element.hasAttribute=Element.Methods.Simulated.hasAttribute;
}
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),
"BUTTON":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),
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;
}
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);
},
purge:function(element){
if(!(element=$(element)))return;
var purgeElement=Element._purgeElement;
purgeElement(element);
var descendants=element.getElementsByTagName('*'),
i=descendants.length;
while(i--)purgeElement(descendants[i]);
return null;
}
});
(function(){
function toDecimal(pctString){
var match=pctString.match(/^(\d+)%?$/i);
if(!match)return null;
return(Number(match[1])/100);
}
function getPixelValue(value,property,context){
var element=null;
if(Object.isElement(value)){
element=value;
value=element.getStyle(property);
}
if(value===null){
return null;
}
if((/^(?:-)?\d+(\.\d+)?(px)?$/i).test(value)){
return window.parseFloat(value);
}
var isPercentage=value.include('%'),isViewport=(context===document.viewport);
if(/\d/.test(value)&&element&&element.runtimeStyle&&!(isPercentage&&isViewport)){
var style=element.style.left,rStyle=element.runtimeStyle.left;
element.runtimeStyle.left=element.currentStyle.left;
element.style.left=value||0;
value=element.style.pixelLeft;
element.style.left=style;
element.runtimeStyle.left=rStyle;
return value;
}
if(element&&isPercentage){
context=context||element.parentNode;
var decimal=toDecimal(value);
var whole=null;
var position=element.getStyle('position');
var isHorizontal=property.include('left')||property.include('right')||
property.include('width');
var isVertical=property.include('top')||property.include('bottom')||
property.include('height');
if(context===document.viewport){
if(isHorizontal){
whole=document.viewport.getWidth();
}else if(isVertical){
whole=document.viewport.getHeight();
}
}else{
if(isHorizontal){
whole=$(context).measure('width');
}else if(isVertical){
whole=$(context).measure('height');
}
}
return(whole===null)?0:whole*decimal;
}
return 0;
}
function toCSSPixels(number){
if(Object.isString(number)&&number.endsWith('px')){
return number;
}
return number+'px';
}
function isDisplayed(element){
var originalElement=element;
while(element&&element.parentNode){
var display=element.getStyle('display');
if(display==='none'){
return false;
}
element=$(element.parentNode);
}
return true;
}
var hasLayout=Prototype.K;
if('currentStyle'in document.documentElement){
hasLayout=function(element){
if(!element.currentStyle.hasLayout){
element.style.zoom=1;
}
return element;
};
}
function cssNameFor(key){
if(key.include('border'))key=key+'-width';
return key.camelize();
}
Element.Layout=Class.create(Hash,{
initialize:function($super,element,preCompute){
$super();
this.element=$(element);
Element.Layout.PROPERTIES.each(function(property){
this._set(property,null);
},this);
if(preCompute){
this._preComputing=true;
this._begin();
Element.Layout.PROPERTIES.each(this._compute,this);
this._end();
this._preComputing=false;
}
},
_set:function(property,value){
return Hash.prototype.set.call(this,property,value);
},
set:function(property,value){
throw"Properties of Element.Layout are read-only.";
},
get:function($super,property){
var value=$super(property);
return value===null?this._compute(property):value;
},
_begin:function(){
if(this._prepared)return;
var element=this.element;
if(isDisplayed(element)){
this._prepared=true;
return;
}
var originalStyles={
position:element.style.position||'',
width:element.style.width||'',
visibility:element.style.visibility||'',
display:element.style.display||''
};
element.store('prototype_original_styles',originalStyles);
var position=element.getStyle('position'),
width=element.getStyle('width');
if(width==="0px"||width===null){
element.style.display='block';
width=element.getStyle('width');
}
var context=(position==='fixed')?document.viewport:
element.parentNode;
element.setStyle({
position:'absolute',
visibility:'hidden',
display:'block'
});
var positionedWidth=element.getStyle('width');
var newWidth;
if(width&&(positionedWidth===width)){
newWidth=getPixelValue(element,'width',context);
}else if(position==='absolute'||position==='fixed'){
newWidth=getPixelValue(element,'width',context);
}else{
var parent=element.parentNode,pLayout=$(parent).getLayout();
newWidth=pLayout.get('width')-
this.get('margin-left')-
this.get('border-left')-
this.get('padding-left')-
this.get('padding-right')-
this.get('border-right')-
this.get('margin-right');
}
element.setStyle({width:newWidth+'px'});
this._prepared=true;
},
_end:function(){
var element=this.element;
var originalStyles=element.retrieve('prototype_original_styles');
element.store('prototype_original_styles',null);
element.setStyle(originalStyles);
this._prepared=false;
},
_compute:function(property){
var COMPUTATIONS=Element.Layout.COMPUTATIONS;
if(!(property in COMPUTATIONS)){
throw"Property not found.";
}
return this._set(property,COMPUTATIONS[property].call(this,this.element));
},
toObject:function(){
var args=$A(arguments);
var keys=(args.length===0)?Element.Layout.PROPERTIES:
args.join(' ').split(' ');
var obj={};
keys.each(function(key){
if(!Element.Layout.PROPERTIES.include(key))return;
var value=this.get(key);
if(value!=null)obj[key]=value;
},this);
return obj;
},
toHash:function(){
var obj=this.toObject.apply(this,arguments);
return new Hash(obj);
},
toCSS:function(){
var args=$A(arguments);
var keys=(args.length===0)?Element.Layout.PROPERTIES:
args.join(' ').split(' ');
var css={};
keys.each(function(key){
if(!Element.Layout.PROPERTIES.include(key))return;
if(Element.Layout.COMPOSITE_PROPERTIES.include(key))return;
var value=this.get(key);
if(value!=null)css[cssNameFor(key)]=value+'px';
},this);
return css;
},
inspect:function(){
return"#<Element.Layout>";
}
});
Object.extend(Element.Layout,{
PROPERTIES:$w('height width top left right bottom border-left border-right border-top border-bottom padding-left padding-right padding-top padding-bottom margin-top margin-bottom margin-left margin-right padding-box-width padding-box-height border-box-width border-box-height margin-box-width margin-box-height'),
COMPOSITE_PROPERTIES:$w('padding-box-width padding-box-height margin-box-width margin-box-height border-box-width border-box-height'),
COMPUTATIONS:{
'height':function(element){
if(!this._preComputing)this._begin();
var bHeight=this.get('border-box-height');
if(bHeight<=0){
if(!this._preComputing)this._end();
return 0;
}
var bTop=this.get('border-top'),
bBottom=this.get('border-bottom');
var pTop=this.get('padding-top'),
pBottom=this.get('padding-bottom');
if(!this._preComputing)this._end();
return bHeight-bTop-bBottom-pTop-pBottom;
},
'width':function(element){
if(!this._preComputing)this._begin();
var bWidth=this.get('border-box-width');
if(bWidth<=0){
if(!this._preComputing)this._end();
return 0;
}
var bLeft=this.get('border-left'),
bRight=this.get('border-right');
var pLeft=this.get('padding-left'),
pRight=this.get('padding-right');
if(!this._preComputing)this._end();
return bWidth-bLeft-bRight-pLeft-pRight;
},
'padding-box-height':function(element){
var height=this.get('height'),
pTop=this.get('padding-top'),
pBottom=this.get('padding-bottom');
return height+pTop+pBottom;
},
'padding-box-width':function(element){
var width=this.get('width'),
pLeft=this.get('padding-left'),
pRight=this.get('padding-right');
return width+pLeft+pRight;
},
'border-box-height':function(element){
if(!this._preComputing)this._begin();
var height=element.offsetHeight;
if(!this._preComputing)this._end();
return height;
},
'border-box-width':function(element){
if(!this._preComputing)this._begin();
var width=element.offsetWidth;
if(!this._preComputing)this._end();
return width;
},
'margin-box-height':function(element){
var bHeight=this.get('border-box-height'),
mTop=this.get('margin-top'),
mBottom=this.get('margin-bottom');
if(bHeight<=0)return 0;
return bHeight+mTop+mBottom;
},
'margin-box-width':function(element){
var bWidth=this.get('border-box-width'),
mLeft=this.get('margin-left'),
mRight=this.get('margin-right');
if(bWidth<=0)return 0;
return bWidth+mLeft+mRight;
},
'top':function(element){
var offset=element.positionedOffset();
return offset.top;
},
'bottom':function(element){
var offset=element.positionedOffset(),
parent=element.getOffsetParent(),
pHeight=parent.measure('height');
var mHeight=this.get('border-box-height');
return pHeight-mHeight-offset.top;
},
'left':function(element){
var offset=element.positionedOffset();
return offset.left;
},
'right':function(element){
var offset=element.positionedOffset(),
parent=element.getOffsetParent(),
pWidth=parent.measure('width');
var mWidth=this.get('border-box-width');
return pWidth-mWidth-offset.left;
},
'padding-top':function(element){
return getPixelValue(element,'paddingTop');
},
'padding-bottom':function(element){
return getPixelValue(element,'paddingBottom');
},
'padding-left':function(element){
return getPixelValue(element,'paddingLeft');
},
'padding-right':function(element){
return getPixelValue(element,'paddingRight');
},
'border-top':function(element){
return getPixelValue(element,'borderTopWidth');
},
'border-bottom':function(element){
return getPixelValue(element,'borderBottomWidth');
},
'border-left':function(element){
return getPixelValue(element,'borderLeftWidth');
},
'border-right':function(element){
return getPixelValue(element,'borderRightWidth');
},
'margin-top':function(element){
return getPixelValue(element,'marginTop');
},
'margin-bottom':function(element){
return getPixelValue(element,'marginBottom');
},
'margin-left':function(element){
return getPixelValue(element,'marginLeft');
},
'margin-right':function(element){
return getPixelValue(element,'marginRight');
}
}
});
if('getBoundingClientRect'in document.documentElement){
Object.extend(Element.Layout.COMPUTATIONS,{
'right':function(element){
var parent=hasLayout(element.getOffsetParent());
var rect=element.getBoundingClientRect(),
pRect=parent.getBoundingClientRect();
return(pRect.right-rect.right).round();
},
'bottom':function(element){
var parent=hasLayout(element.getOffsetParent());
var rect=element.getBoundingClientRect(),
pRect=parent.getBoundingClientRect();
return(pRect.bottom-rect.bottom).round();
}
});
}
Element.Offset=Class.create({
initialize:function(left,top){
this.left=left.round();
this.top=top.round();
this[0]=this.left;
this[1]=this.top;
},
relativeTo:function(offset){
return new Element.Offset(
this.left-offset.left,
this.top-offset.top
);
},
inspect:function(){
return"#<Element.Offset left: #{left} top: #{top}>".interpolate(this);
},
toString:function(){
return"[#{left}, #{top}]".interpolate(this);
},
toArray:function(){
return[this.left,this.top];
}
});
function getLayout(element,preCompute){
return new Element.Layout(element,preCompute);
}
function measure(element,property){
return $(element).getLayout().get(property);
}
function getDimensions(element){
element=$(element);
var display=Element.getStyle(element,'display');
if(display&&display!=='none'){
return{width:element.offsetWidth,height:element.offsetHeight};
}
var style=element.style;
var originalStyles={
visibility:style.visibility,
position:style.position,
display:style.display
};
var newStyles={
visibility:'hidden',
display:'block'
};
if(originalStyles.position!=='fixed')
newStyles.position='absolute';
Element.setStyle(element,newStyles);
var dimensions={
width:element.offsetWidth,
height:element.offsetHeight
};
Element.setStyle(element,originalStyles);
return dimensions;
}
function getOffsetParent(element){
element=$(element);
if(isDocument(element)||isDetached(element)||isBody(element)||isHtml(element))
return $(document.body);
var isInline=(Element.getStyle(element,'display')==='inline');
if(!isInline&&element.offsetParent)return $(element.offsetParent);
while((element=element.parentNode)&&element!==document.body){
if(Element.getStyle(element,'position')!=='static'){
return isHtml(element)?$(document.body):$(element);
}
}
return $(document.body);
}
function cumulativeOffset(element){
element=$(element);
var valueT=0,valueL=0;
if(element.parentNode){
do{
valueT+=element.offsetTop||0;
valueL+=element.offsetLeft||0;
element=element.offsetParent;
}while(element);
}
return new Element.Offset(valueL,valueT);
}
function positionedOffset(element){
element=$(element);
var layout=element.getLayout();
var valueT=0,valueL=0;
do{
valueT+=element.offsetTop||0;
valueL+=element.offsetLeft||0;
element=element.offsetParent;
if(element){
if(isBody(element))break;
var p=Element.getStyle(element,'position');
if(p!=='static')break;
}
}while(element);
valueL-=layout.get('margin-top');
valueT-=layout.get('margin-left');
return new Element.Offset(valueL,valueT);
}
function cumulativeScrollOffset(element){
var valueT=0,valueL=0;
do{
valueT+=element.scrollTop||0;
valueL+=element.scrollLeft||0;
element=element.parentNode;
}while(element);
return new Element.Offset(valueL,valueT);
}
function viewportOffset(forElement){
element=$(element);
var valueT=0,valueL=0,docBody=document.body;
var element=forElement;
do{
valueT+=element.offsetTop||0;
valueL+=element.offsetLeft||0;
if(element.offsetParent==docBody&&
Element.getStyle(element,'position')=='absolute')break;
}while(element=element.offsetParent);
element=forElement;
do{
if(element!=docBody){
valueT-=element.scrollTop||0;
valueL-=element.scrollLeft||0;
}
}while(element=element.parentNode);
return new Element.Offset(valueL,valueT);
}
function absolutize(element){
element=$(element);
if(Element.getStyle(element,'position')==='absolute'){
return element;
}
var offsetParent=getOffsetParent(element);
var eOffset=element.viewportOffset(),
pOffset=offsetParent.viewportOffset();
var offset=eOffset.relativeTo(pOffset);
var layout=element.getLayout();
element.store('prototype_absolutize_original_styles',{
left:element.getStyle('left'),
top:element.getStyle('top'),
width:element.getStyle('width'),
height:element.getStyle('height')
});
element.setStyle({
position:'absolute',
top:offset.top+'px',
left:offset.left+'px',
width:layout.get('width')+'px',
height:layout.get('height')+'px'
});
return element;
}
function relativize(element){
element=$(element);
if(Element.getStyle(element,'position')==='relative'){
return element;
}
var originalStyles=
element.retrieve('prototype_absolutize_original_styles');
if(originalStyles)element.setStyle(originalStyles);
return element;
}
if(Prototype.Browser.IE){
getOffsetParent=getOffsetParent.wrap(
function(proceed,element){
element=$(element);
if(isDocument(element)||isDetached(element)||isBody(element)||isHtml(element))
return $(document.body);
var position=element.getStyle('position');
if(position!=='static')return proceed(element);
element.setStyle({position:'relative'});
var value=proceed(element);
element.setStyle({position:position});
return value;
}
);
positionedOffset=positionedOffset.wrap(function(proceed,element){
element=$(element);
if(!element.parentNode)return new Element.Offset(0,0);
var position=element.getStyle('position');
if(position!=='static')return proceed(element);
var offsetParent=element.getOffsetParent();
if(offsetParent&&offsetParent.getStyle('position')==='fixed')
hasLayout(offsetParent);
element.setStyle({position:'relative'});
var value=proceed(element);
element.setStyle({position:position});
return value;
});
}else if(Prototype.Browser.Webkit){
cumulativeOffset=function(element){
element=$(element);
var valueT=0,valueL=0;
do{
valueT+=element.offsetTop||0;
valueL+=element.offsetLeft||0;
if(element.offsetParent==document.body)
if(Element.getStyle(element,'position')=='absolute')break;
element=element.offsetParent;
}while(element);
return new Element.Offset(valueL,valueT);
};
}
Element.addMethods({
getLayout:getLayout,
measure:measure,
getDimensions:getDimensions,
getOffsetParent:getOffsetParent,
cumulativeOffset:cumulativeOffset,
positionedOffset:positionedOffset,
cumulativeScrollOffset:cumulativeScrollOffset,
viewportOffset:viewportOffset,
absolutize:absolutize,
relativize:relativize
});
function isBody(element){
return element.nodeName.toUpperCase()==='BODY';
}
function isHtml(element){
return element.nodeName.toUpperCase()==='HTML';
}
function isDocument(element){
return element.nodeType===Node.DOCUMENT_NODE;
}
function isDetached(element){
return element!==document.body&&
!Element.descendantOf(element,document.body);
}
if('getBoundingClientRect'in document.documentElement){
Element.addMethods({
viewportOffset:function(element){
element=$(element);
if(isDetached(element))return new Element.Offset(0,0);
var rect=element.getBoundingClientRect(),
docEl=document.documentElement;
return new Element.Offset(rect.left-docEl.clientLeft,
rect.top-docEl.clientTop);
}
});
}
})();
window.$$=function(){
var expression=$A(arguments).join(', ');
return Prototype.Selector.select(expression,document);
};
Prototype.Selector=(function(){
function select(){
throw new Error('Method "Prototype.Selector.select" must be defined.');
}
function match(){
throw new Error('Method "Prototype.Selector.match" must be defined.');
}
function find(elements,expression,index){
index=index||0;
var match=Prototype.Selector.match,length=elements.length,matchIndex=0,i;
for(i=0;i<length;i++){
if(match(elements[i],expression)&&index==matchIndex++){
return Element.extend(elements[i]);
}
}
}
function extendElements(elements){
for(var i=0,length=elements.length;i<length;i++){
Element.extend(elements[i]);
}
return elements;
}
var K=Prototype.K;
return{
select:select,
match:match,
find:find,
extendElements:(Element.extend===K)?K:extendElements,
extendElement:Element.extend
};
})();
/*!
  Sizzle CSS Selector Engine - v1.0
   Copyright 2009, The Dojo Foundation
   Released under the MIT, BSD, and GPL Licenses.
   More information: http://sizzlejs.com/
 */
(function(){
var chunker=/((?:\((?:\([^()]+\)|[^()]+)+\)|\[(?:\[[^[\]]*\]|['"][^'"]*['"]|[^[\]'"]+)+\]|\\.|[^ >+~,(\[\\]+)+|[>+~])(\s*,\s*)?((?:.|\r|\n)*)/g,
done=0,
toString=Object.prototype.toString,
hasDuplicate=false,
baseHasDuplicate=true;
[0,0].sort(function(){
baseHasDuplicate=false;
return 0;
});
var Sizzle=function(selector,context,results,seed){
results=results||[];
var origContext=context=context||document;
if(context.nodeType!==1&&context.nodeType!==9){
return[];
}
if(!selector||typeof selector!=="string"){
return results;
}
var parts=[],m,set,checkSet,check,mode,extra,prune=true,contextXML=isXML(context),
soFar=selector;
while((chunker.exec(""),m=chunker.exec(soFar))!==null){
soFar=m[3];
parts.push(m[1]);
if(m[2]){
extra=m[3];
break;
}
}
if(parts.length>1&&origPOS.exec(selector)){
if(parts.length===2&&Expr.relative[parts[0]]){
set=posProcess(parts[0]+parts[1],context);
}else{
set=Expr.relative[parts[0]]?
[context]:
Sizzle(parts.shift(),context);
while(parts.length){
selector=parts.shift();
if(Expr.relative[selector])
selector+=parts.shift();
set=posProcess(selector,set);
}
}
}else{
if(!seed&&parts.length>1&&context.nodeType===9&&!contextXML&&
Expr.match.ID.test(parts[0])&&!Expr.match.ID.test(parts[parts.length-1])){
var ret=Sizzle.find(parts.shift(),context,contextXML);
context=ret.expr?Sizzle.filter(ret.expr,ret.set)[0]:ret.set[0];
}
if(context){
var ret=seed?
{expr:parts.pop(),set:makeArray(seed)}:
Sizzle.find(parts.pop(),parts.length===1&&(parts[0]==="~"||parts[0]==="+")&&context.parentNode?context.parentNode:context,contextXML);
set=ret.expr?Sizzle.filter(ret.expr,ret.set):ret.set;
if(parts.length>0){
checkSet=makeArray(set);
}else{
prune=false;
}
while(parts.length){
var cur=parts.pop(),pop=cur;
if(!Expr.relative[cur]){
cur="";
}else{
pop=parts.pop();
}
if(pop==null){
pop=context;
}
Expr.relative[cur](checkSet,pop,contextXML);
}
}else{
checkSet=parts=[];
}
}
if(!checkSet){
checkSet=set;
}
if(!checkSet){
throw"Syntax error, unrecognized expression: "+(cur||selector);
}
if(toString.call(checkSet)==="[object Array]"){
if(!prune){
results.push.apply(results,checkSet);
}else if(context&&context.nodeType===1){
for(var i=0;checkSet[i]!=null;i++){
if(checkSet[i]&&(checkSet[i]===true||checkSet[i].nodeType===1&&contains(context,checkSet[i]))){
results.push(set[i]);
}
}
}else{
for(var i=0;checkSet[i]!=null;i++){
if(checkSet[i]&&checkSet[i].nodeType===1){
results.push(set[i]);
}
}
}
}else{
makeArray(checkSet,results);
}
if(extra){
Sizzle(extra,origContext,results,seed);
Sizzle.uniqueSort(results);
}
return results;
};
Sizzle.uniqueSort=function(results){
if(sortOrder){
hasDuplicate=baseHasDuplicate;
results.sort(sortOrder);
if(hasDuplicate){
for(var i=1;i<results.length;i++){
if(results[i]===results[i-1]){
results.splice(i--,1);
}
}
}
}
return results;
};
Sizzle.matches=function(expr,set){
return Sizzle(expr,null,null,set);
};
Sizzle.find=function(expr,context,isXML){
var set,match;
if(!expr){
return[];
}
for(var i=0,l=Expr.order.length;i<l;i++){
var type=Expr.order[i],match;
if((match=Expr.leftMatch[type].exec(expr))){
var left=match[1];
match.splice(1,1);
if(left.substr(left.length-1)!=="\\"){
match[1]=(match[1]||"").replace(/\\/g,"");
set=Expr.find[type](match,context,isXML);
if(set!=null){
expr=expr.replace(Expr.match[type],"");
break;
}
}
}
}
if(!set){
set=context.getElementsByTagName("*");
}
return{set:set,expr:expr};
};
Sizzle.filter=function(expr,set,inplace,not){
var old=expr,result=[],curLoop=set,match,anyFound,
isXMLFilter=set&&set[0]&&isXML(set[0]);
while(expr&&set.length){
for(var type in Expr.filter){
if((match=Expr.match[type].exec(expr))!=null){
var filter=Expr.filter[type],found,item;
anyFound=false;
if(curLoop==result){
result=[];
}
if(Expr.preFilter[type]){
match=Expr.preFilter[type](match,curLoop,inplace,result,not,isXMLFilter);
if(!match){
anyFound=found=true;
}else if(match===true){
continue;
}
}
if(match){
for(var i=0;(item=curLoop[i])!=null;i++){
if(item){
found=filter(item,match,i,curLoop);
var pass=not^!!found;
if(inplace&&found!=null){
if(pass){
anyFound=true;
}else{
curLoop[i]=false;
}
}else if(pass){
result.push(item);
anyFound=true;
}
}
}
}
if(found!==undefined){
if(!inplace){
curLoop=result;
}
expr=expr.replace(Expr.match[type],"");
if(!anyFound){
return[];
}
break;
}
}
}
if(expr==old){
if(anyFound==null){
throw"Syntax error, unrecognized expression: "+expr;
}else{
break;
}
}
old=expr;
}
return curLoop;
};
var Expr=Sizzle.selectors={
order:["ID","NAME","TAG"],
match:{
ID:/#((?:[\w\u00c0-\uFFFF-]|\\.)+)/,
CLASS:/\.((?:[\w\u00c0-\uFFFF-]|\\.)+)/,
NAME:/\[name=['"]*((?:[\w\u00c0-\uFFFF-]|\\.)+)['"]*\]/,
ATTR:/\[\s*((?:[\w\u00c0-\uFFFF-]|\\.)+)\s*(?:(\S?=)\s*(['"]*)(.*?)\3|)\s*\]/,
TAG:/^((?:[\w\u00c0-\uFFFF\*-]|\\.)+)/,
CHILD:/:(only|nth|last|first)-child(?:\((even|odd|[\dn+-]*)\))?/,
POS:/:(nth|eq|gt|lt|first|last|even|odd)(?:\((\d*)\))?(?=[^-]|$)/,
PSEUDO:/:((?:[\w\u00c0-\uFFFF-]|\\.)+)(?:\((['"]*)((?:\([^\)]+\)|[^\2\(\)]*)+)\2\))?/
},
leftMatch:{},
attrMap:{
"class":"className",
"for":"htmlFor"
},
attrHandle:{
href:function(elem){
return elem.getAttribute("href");
}
},
relative:{
"+":function(checkSet,part,isXML){
var isPartStr=typeof part==="string",
isTag=isPartStr&&!/\W/.test(part),
isPartStrNotTag=isPartStr&&!isTag;
if(isTag&&!isXML){
part=part.toUpperCase();
}
for(var i=0,l=checkSet.length,elem;i<l;i++){
if((elem=checkSet[i])){
while((elem=elem.previousSibling)&&elem.nodeType!==1){}
checkSet[i]=isPartStrNotTag||elem&&elem.nodeName===part?
elem||false:
elem===part;
}
}
if(isPartStrNotTag){
Sizzle.filter(part,checkSet,true);
}
},
">":function(checkSet,part,isXML){
var isPartStr=typeof part==="string";
if(isPartStr&&!/\W/.test(part)){
part=isXML?part:part.toUpperCase();
for(var i=0,l=checkSet.length;i<l;i++){
var elem=checkSet[i];
if(elem){
var parent=elem.parentNode;
checkSet[i]=parent.nodeName===part?parent:false;
}
}
}else{
for(var i=0,l=checkSet.length;i<l;i++){
var elem=checkSet[i];
if(elem){
checkSet[i]=isPartStr?
elem.parentNode:
elem.parentNode===part;
}
}
if(isPartStr){
Sizzle.filter(part,checkSet,true);
}
}
},
"":function(checkSet,part,isXML){
var doneName=done++,checkFn=dirCheck;
if(!/\W/.test(part)){
var nodeCheck=part=isXML?part:part.toUpperCase();
checkFn=dirNodeCheck;
}
checkFn("parentNode",part,doneName,checkSet,nodeCheck,isXML);
},
"~":function(checkSet,part,isXML){
var doneName=done++,checkFn=dirCheck;
if(typeof part==="string"&&!/\W/.test(part)){
var nodeCheck=part=isXML?part:part.toUpperCase();
checkFn=dirNodeCheck;
}
checkFn("previousSibling",part,doneName,checkSet,nodeCheck,isXML);
}
},
find:{
ID:function(match,context,isXML){
if(typeof context.getElementById!=="undefined"&&!isXML){
var m=context.getElementById(match[1]);
return m?[m]:[];
}
},
NAME:function(match,context,isXML){
if(typeof context.getElementsByName!=="undefined"){
var ret=[],results=context.getElementsByName(match[1]);
for(var i=0,l=results.length;i<l;i++){
if(results[i].getAttribute("name")===match[1]){
ret.push(results[i]);
}
}
return ret.length===0?null:ret;
}
},
TAG:function(match,context){
return context.getElementsByTagName(match[1]);
}
},
preFilter:{
CLASS:function(match,curLoop,inplace,result,not,isXML){
match=" "+match[1].replace(/\\/g,"")+" ";
if(isXML){
return match;
}
for(var i=0,elem;(elem=curLoop[i])!=null;i++){
if(elem){
if(not^(elem.className&&(" "+elem.className+" ").indexOf(match)>=0)){
if(!inplace)
result.push(elem);
}else if(inplace){
curLoop[i]=false;
}
}
}
return false;
},
ID:function(match){
return match[1].replace(/\\/g,"");
},
TAG:function(match,curLoop){
for(var i=0;curLoop[i]===false;i++){}
return curLoop[i]&&isXML(curLoop[i])?match[1]:match[1].toUpperCase();
},
CHILD:function(match){
if(match[1]=="nth"){
var test=/(-?)(\d*)n((?:\+|-)?\d*)/.exec(
match[2]=="even"&&"2n"||match[2]=="odd"&&"2n+1"||
!/\D/.test(match[2])&&"0n+"+match[2]||match[2]);
match[2]=(test[1]+(test[2]||1))-0;
match[3]=test[3]-0;
}
match[0]=done++;
return match;
},
ATTR:function(match,curLoop,inplace,result,not,isXML){
var name=match[1].replace(/\\/g,"");
if(!isXML&&Expr.attrMap[name]){
match[1]=Expr.attrMap[name];
}
if(match[2]==="~="){
match[4]=" "+match[4]+" ";
}
return match;
},
PSEUDO:function(match,curLoop,inplace,result,not){
if(match[1]==="not"){
if((chunker.exec(match[3])||"").length>1||/^\w/.test(match[3])){
match[3]=Sizzle(match[3],null,null,curLoop);
}else{
var ret=Sizzle.filter(match[3],curLoop,inplace,true^not);
if(!inplace){
result.push.apply(result,ret);
}
return false;
}
}else if(Expr.match.POS.test(match[0])||Expr.match.CHILD.test(match[0])){
return true;
}
return match;
},
POS:function(match){
match.unshift(true);
return match;
}
},
filters:{
enabled:function(elem){
return elem.disabled===false&&elem.type!=="hidden";
},
disabled:function(elem){
return elem.disabled===true;
},
checked:function(elem){
return elem.checked===true;
},
selected:function(elem){
elem.parentNode.selectedIndex;
return elem.selected===true;
},
parent:function(elem){
return!!elem.firstChild;
},
empty:function(elem){
return!elem.firstChild;
},
has:function(elem,i,match){
return!!Sizzle(match[3],elem).length;
},
header:function(elem){
return/h\d/i.test(elem.nodeName);
},
text:function(elem){
return"text"===elem.type;
},
radio:function(elem){
return"radio"===elem.type;
},
checkbox:function(elem){
return"checkbox"===elem.type;
},
file:function(elem){
return"file"===elem.type;
},
password:function(elem){
return"password"===elem.type;
},
submit:function(elem){
return"submit"===elem.type;
},
image:function(elem){
return"image"===elem.type;
},
reset:function(elem){
return"reset"===elem.type;
},
button:function(elem){
return"button"===elem.type||elem.nodeName.toUpperCase()==="BUTTON";
},
input:function(elem){
return/input|select|textarea|button/i.test(elem.nodeName);
}
},
setFilters:{
first:function(elem,i){
return i===0;
},
last:function(elem,i,match,array){
return i===array.length-1;
},
even:function(elem,i){
return i%2===0;
},
odd:function(elem,i){
return i%2===1;
},
lt:function(elem,i,match){
return i<match[3]-0;
},
gt:function(elem,i,match){
return i>match[3]-0;
},
nth:function(elem,i,match){
return match[3]-0==i;
},
eq:function(elem,i,match){
return match[3]-0==i;
}
},
filter:{
PSEUDO:function(elem,match,i,array){
var name=match[1],filter=Expr.filters[name];
if(filter){
return filter(elem,i,match,array);
}else if(name==="contains"){
return(elem.textContent||elem.innerText||"").indexOf(match[3])>=0;
}else if(name==="not"){
var not=match[3];
for(var i=0,l=not.length;i<l;i++){
if(not[i]===elem){
return false;
}
}
return true;
}
},
CHILD:function(elem,match){
var type=match[1],node=elem;
switch(type){
case'only':
case'first':
while((node=node.previousSibling)){
if(node.nodeType===1)return false;
}
if(type=='first')return true;
node=elem;
case'last':
while((node=node.nextSibling)){
if(node.nodeType===1)return false;
}
return true;
case'nth':
var first=match[2],last=match[3];
if(first==1&&last==0){
return true;
}
var doneName=match[0],
parent=elem.parentNode;
if(parent&&(parent.sizcache!==doneName||!elem.nodeIndex)){
var count=0;
for(node=parent.firstChild;node;node=node.nextSibling){
if(node.nodeType===1){
node.nodeIndex=++count;
}
}
parent.sizcache=doneName;
}
var diff=elem.nodeIndex-last;
if(first==0){
return diff==0;
}else{
return(diff%first==0&&diff/first>=0);
}
}
},
ID:function(elem,match){
return elem.nodeType===1&&elem.getAttribute("id")===match;
},
TAG:function(elem,match){
return(match==="*"&&elem.nodeType===1)||elem.nodeName===match;
},
CLASS:function(elem,match){
return(" "+(elem.className||elem.getAttribute("class"))+" ")
.indexOf(match)>-1;
},
ATTR:function(elem,match){
var name=match[1],
result=Expr.attrHandle[name]?
Expr.attrHandle[name](elem):
elem[name]!=null?
elem[name]:
elem.getAttribute(name),
value=result+"",
type=match[2],
check=match[4];
return result==null?
type==="!=":
type==="="?
value===check:
type==="*="?
value.indexOf(check)>=0:
type==="~="?
(" "+value+" ").indexOf(check)>=0:
!check?
value&&result!==false:
type==="!="?
value!=check:
type==="^="?
value.indexOf(check)===0:
type==="$="?
value.substr(value.length-check.length)===check:
type==="|="?
value===check||value.substr(0,check.length+1)===check+"-":
false;
},
POS:function(elem,match,i,array){
var name=match[2],filter=Expr.setFilters[name];
if(filter){
return filter(elem,i,match,array);
}
}
}
};
var origPOS=Expr.match.POS;
for(var type in Expr.match){
Expr.match[type]=new RegExp(Expr.match[type].source+/(?![^\[]*\])(?![^\(]*\))/.source);
Expr.leftMatch[type]=new RegExp(/(^(?:.|\r|\n)*?)/.source+Expr.match[type].source);
}
var makeArray=function(array,results){
array=Array.prototype.slice.call(array,0);
if(results){
results.push.apply(results,array);
return results;
}
return array;
};
try{
Array.prototype.slice.call(document.documentElement.childNodes,0);
}catch(e){
makeArray=function(array,results){
var ret=results||[];
if(toString.call(array)==="[object Array]"){
Array.prototype.push.apply(ret,array);
}else{
if(typeof array.length==="number"){
for(var i=0,l=array.length;i<l;i++){
ret.push(array[i]);
}
}else{
for(var i=0;array[i];i++){
ret.push(array[i]);
}
}
}
return ret;
};
}
var sortOrder;
if(document.documentElement.compareDocumentPosition){
sortOrder=function(a,b){
if(!a.compareDocumentPosition||!b.compareDocumentPosition){
if(a==b){
hasDuplicate=true;
}
return 0;
}
var ret=a.compareDocumentPosition(b)&4?-1:a===b?0:1;
if(ret===0){
hasDuplicate=true;
}
return ret;
};
}else if("sourceIndex"in document.documentElement){
sortOrder=function(a,b){
if(!a.sourceIndex||!b.sourceIndex){
if(a==b){
hasDuplicate=true;
}
return 0;
}
var ret=a.sourceIndex-b.sourceIndex;
if(ret===0){
hasDuplicate=true;
}
return ret;
};
}else if(document.createRange){
sortOrder=function(a,b){
if(!a.ownerDocument||!b.ownerDocument){
if(a==b){
hasDuplicate=true;
}
return 0;
}
var aRange=a.ownerDocument.createRange(),bRange=b.ownerDocument.createRange();
aRange.setStart(a,0);
aRange.setEnd(a,0);
bRange.setStart(b,0);
bRange.setEnd(b,0);
var ret=aRange.compareBoundaryPoints(Range.START_TO_END,bRange);
if(ret===0){
hasDuplicate=true;
}
return ret;
};
}
(function(){
var form=document.createElement("div"),
id="script"+(new Date).getTime();
form.innerHTML="<a name='"+id+"'/>";
var root=document.documentElement;
root.insertBefore(form,root.firstChild);
if(!!document.getElementById(id)){
Expr.find.ID=function(match,context,isXML){
if(typeof context.getElementById!=="undefined"&&!isXML){
var m=context.getElementById(match[1]);
return m?m.id===match[1]||typeof m.getAttributeNode!=="undefined"&&m.getAttributeNode("id").nodeValue===match[1]?[m]:undefined:[];
}
};
Expr.filter.ID=function(elem,match){
var node=typeof elem.getAttributeNode!=="undefined"&&elem.getAttributeNode("id");
return elem.nodeType===1&&node&&node.nodeValue===match;
};
}
root.removeChild(form);
root=form=null;
})();
(function(){
var div=document.createElement("div");
div.appendChild(document.createComment(""));
if(div.getElementsByTagName("*").length>0){
Expr.find.TAG=function(match,context){
var results=context.getElementsByTagName(match[1]);
if(match[1]==="*"){
var tmp=[];
for(var i=0;results[i];i++){
if(results[i].nodeType===1){
tmp.push(results[i]);
}
}
results=tmp;
}
return results;
};
}
div.innerHTML="<a href='#'></a>";
if(div.firstChild&&typeof div.firstChild.getAttribute!=="undefined"&&
div.firstChild.getAttribute("href")!=="#"){
Expr.attrHandle.href=function(elem){
return elem.getAttribute("href",2);
};
}
div=null;
})();
if(document.querySelectorAll)(function(){
var oldSizzle=Sizzle,div=document.createElement("div");
div.innerHTML="<p class='TEST'></p>";
if(div.querySelectorAll&&div.querySelectorAll(".TEST").length===0){
return;
}
Sizzle=function(query,context,extra,seed){
context=context||document;
if(!seed&&context.nodeType===9&&!isXML(context)){
try{
return makeArray(context.querySelectorAll(query),extra);
}catch(e){}
}
return oldSizzle(query,context,extra,seed);
};
for(var prop in oldSizzle){
Sizzle[prop]=oldSizzle[prop];
}
div=null;
})();
if(document.getElementsByClassName&&document.documentElement.getElementsByClassName)(function(){
var div=document.createElement("div");
div.innerHTML="<div class='test e'></div><div class='test'></div>";
if(div.getElementsByClassName("e").length===0)
return;
div.lastChild.className="e";
if(div.getElementsByClassName("e").length===1)
return;
Expr.order.splice(1,0,"CLASS");
Expr.find.CLASS=function(match,context,isXML){
if(typeof context.getElementsByClassName!=="undefined"&&!isXML){
return context.getElementsByClassName(match[1]);
}
};
div=null;
})();
function dirNodeCheck(dir,cur,doneName,checkSet,nodeCheck,isXML){
var sibDir=dir=="previousSibling"&&!isXML;
for(var i=0,l=checkSet.length;i<l;i++){
var elem=checkSet[i];
if(elem){
if(sibDir&&elem.nodeType===1){
elem.sizcache=doneName;
elem.sizset=i;
}
elem=elem[dir];
var match=false;
while(elem){
if(elem.sizcache===doneName){
match=checkSet[elem.sizset];
break;
}
if(elem.nodeType===1&&!isXML){
elem.sizcache=doneName;
elem.sizset=i;
}
if(elem.nodeName===cur){
match=elem;
break;
}
elem=elem[dir];
}
checkSet[i]=match;
}
}
}
function dirCheck(dir,cur,doneName,checkSet,nodeCheck,isXML){
var sibDir=dir=="previousSibling"&&!isXML;
for(var i=0,l=checkSet.length;i<l;i++){
var elem=checkSet[i];
if(elem){
if(sibDir&&elem.nodeType===1){
elem.sizcache=doneName;
elem.sizset=i;
}
elem=elem[dir];
var match=false;
while(elem){
if(elem.sizcache===doneName){
match=checkSet[elem.sizset];
break;
}
if(elem.nodeType===1){
if(!isXML){
elem.sizcache=doneName;
elem.sizset=i;
}
if(typeof cur!=="string"){
if(elem===cur){
match=true;
break;
}
}else if(Sizzle.filter(cur,[elem]).length>0){
match=elem;
break;
}
}
elem=elem[dir];
}
checkSet[i]=match;
}
}
}
var contains=document.compareDocumentPosition?function(a,b){
return a.compareDocumentPosition(b)&16;
}:function(a,b){
return a!==b&&(a.contains?a.contains(b):true);
};
var isXML=function(elem){
return elem.nodeType===9&&elem.documentElement.nodeName!=="HTML"||
!!elem.ownerDocument&&elem.ownerDocument.documentElement.nodeName!=="HTML";
};
var posProcess=function(selector,context){
var tmpSet=[],later="",match,
root=context.nodeType?[context]:context;
while((match=Expr.match.PSEUDO.exec(selector))){
later+=match[0];
selector=selector.replace(Expr.match.PSEUDO,"");
}
selector=Expr.relative[selector]?selector+"*":selector;
for(var i=0,l=root.length;i<l;i++){
Sizzle(selector,root[i],tmpSet);
}
return Sizzle.filter(later,tmpSet);
};
window.Sizzle=Sizzle;
})();
Prototype._original_property=window.Sizzle;
;(function(engine){
var extendElements=Prototype.Selector.extendElements;
function select(selector,scope){
return extendElements(engine(selector,scope||document));
}
function match(element,selector){
return engine.matches(selector,[element]).length==1;
}
Prototype.Selector.engine=engine;
Prototype.Selector.select=select;
Prototype.Selector.match=match;
})(Sizzle);
window.Sizzle=Prototype._original_property;
delete Prototype._original_property;
var Form={
reset:function(form){
form=$(form);
form.reset();
return form;
},
serializeElements:function(elements,options){
if(typeof options!='object')options={hash:!!options};
else if(Object.isUndefined(options.hash))options.hash=true;
var key,value,submitted=false,submit=options.submit,accumulator,initial;
if(options.hash){
initial={};
accumulator=function(result,key,value){
if(key in result){
if(!Object.isArray(result[key]))result[key]=[result[key]];
result[key].push(value);
}else result[key]=value;
return result;
};
}else{
initial='';
accumulator=function(result,key,value){
return result+(result?'&':'')+encodeURIComponent(key)+'='+encodeURIComponent(value);
}
}
return elements.inject(initial,function(result,element){
if(!element.disabled&&element.name){
key=element.name;value=$(element).getValue();
if(value!=null&&element.type!='file'&&(element.type!='submit'||(!submitted&&
submit!==false&&(!submit||key==submit)&&(submitted=true)))){
result=accumulator(result,key,value);
}
}
return result;
});
}
};
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);
var element=form.findFirstElement();
if(element)element.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 $F=Form.Element.Methods.getValue;
Form.Element.Serializers=(function(){
function input(element,value){
switch(element.type.toLowerCase()){
case'checkbox':
case'radio':
return inputSelector(element,value);
default:
return valueSelector(element,value);
}
}
function inputSelector(element,value){
if(Object.isUndefined(value))
return element.checked?element.value:null;
else element.checked=!!value;
}
function valueSelector(element,value){
if(Object.isUndefined(value))return element.value;
else element.value=value;
}
function select(element,value){
if(Object.isUndefined(value))
return(element.type==='select-one'?selectOne:selectMany)(element);
var opt,currentValue,single=!Object.isArray(value);
for(var i=0,length=element.length;i<length;i++){
opt=element.options[i];
currentValue=this.optionValue(opt);
if(single){
if(currentValue==value){
opt.selected=true;
return;
}
}
else opt.selected=value.include(currentValue);
}
}
function selectOne(element){
var index=element.selectedIndex;
return index>=0?optionValue(element.options[index]):null;
}
function selectMany(element){
var values,length=element.length;
if(!length)return null;
for(var i=0,values=[];i<length;i++){
var opt=element.options[i];
if(opt.selected)values.push(optionValue(opt));
}
return values;
}
function optionValue(opt){
return Element.hasAttribute(opt,'value')?opt.value:opt.text;
}
return{
input:input,
inputSelector:inputSelector,
textarea:valueSelector,
select:select,
selectOne:selectOne,
selectMany:selectMany,
optionValue:optionValue,
button:valueSelector
};
})();
Abstract.TimedObserver=Class.create(PeriodicalExecuter,{
initialize:function($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 isIELegacyEvent=function(event){return false;};
if(window.attachEvent){
if(window.addEventListener){
isIELegacyEvent=function(event){
return!(event instanceof window.Event);
};
}else{
isIELegacyEvent=function(event){return true;};
}
}
var _isButton;
function _isButtonForDOMEvents(event,code){
return event.which?(event.which===code+1):(event.button===code);
}
var legacyButtonMap={0:1,1:4,2:2};
function _isButtonForLegacyEvents(event,code){
return event.button===legacyButtonMap[code];
}
function _isButtonForWebKit(event,code){
switch(code){
case 0:return event.which==1&&!event.metaKey;
case 1:return event.which==2||(event.which==1&&event.metaKey);
case 2:return event.which==3;
default:return false;
}
}
if(window.attachEvent){
if(!window.addEventListener){
_isButton=_isButtonForLegacyEvents;
}else{
_isButton=function(event,code){
return isIELegacyEvent(event)?_isButtonForLegacyEvents(event,code):
_isButtonForDOMEvents(event,code);
}
}
}else if(Prototype.Browser.WebKit){
_isButton=_isButtonForWebKit;
}else{
_isButton=_isButtonForDOMEvents;
}
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;
while(element){
if(Object.isElement(element)&&Prototype.Selector.match(element,expression)){
return Element.extend(element);
}
element=element.parentNode;
}
}
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(window.attachEvent){
function _relatedTarget(event){
var element;
switch(event.type){
case'mouseover':
case'mouseenter':
element=event.fromElement;
break;
case'mouseout':
case'mouseleave':
element=event.toElement;
break;
default:
return null;
}
return Element.extend(element);
}
var additionalMethods={
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(!isIELegacyEvent(event))return event;
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
});
Object.extend(event,methods);
Object.extend(event,additionalMethods);
return event;
};
}else{
Event.extend=Prototype.K;
}
if(window.addEventListener){
Event.prototype=window.Event.prototype||document.createEvent('HTMLEvents').__proto__;
Object.extend(Event.prototype,methods);
}
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,
translations={mouseenter:"mouseover",mouseleave:"mouseout"};
if(!MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED){
_getDOMEventName=function(eventName){
return(translations[eventName]||eventName);
};
}
function observe(element,eventName,handler){
element=$(element);
var responder=_createResponder(element,eventName,handler);
if(!responder)return element;
if(eventName.include(':')){
if(element.addEventListener)
element.addEventListener("dataavailable",responder,false);
else{
element.attachEvent("ondataavailable",responder);
element.attachEvent("onlosecapture",responder);
}
}else{
var actualEventName=_getDOMEventName(eventName);
if(element.addEventListener)
element.addEventListener(actualEventName,responder,false);
else
element.attachEvent("on"+actualEventName,responder);
}
return element;
}
function stopObserving(element,eventName,handler){
element=$(element);
var registry=Element.retrieve(element,'prototype_event_registry');
if(!registry)return element;
if(!eventName){
registry.each(function(pair){
var eventName=pair.key;
stopObserving(element,eventName);
});
return element;
}
var responders=registry.get(eventName);
if(!responders)return element;
if(!handler){
responders.each(function(r){
stopObserving(element,eventName,r.handler);
});
return element;
}
var i=responders.length,responder;
while(i--){
if(responders[i].handler===handler){
responder=responders[i];
break;
}
}
if(!responder)return element;
if(eventName.include(':')){
if(element.removeEventListener)
element.removeEventListener("dataavailable",responder,false);
else{
element.detachEvent("ondataavailable",responder);
element.detachEvent("onlosecapture",responder);
}
}else{
var actualEventName=_getDOMEventName(eventName);
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=$(element);
if(Object.isUndefined(bubble))
bubble=true;
if(element==document&&document.createEvent&&!element.dispatchEvent)
element=document.documentElement;
var event;
if(document.createEvent){
event=document.createEvent('HTMLEvents');
event.initEvent('dataavailable',bubble,true);
}else{
event=document.createEventObject();
event.eventType=bubble?'ondataavailable':'onlosecapture';
}
event.eventName=eventName;
event.memo=memo||{};
if(document.createEvent)
element.dispatchEvent(event);
else
element.fireEvent(event.eventType,event);
return Event.extend(event);
}
Event.Handler=Class.create({
initialize:function(element,eventName,selector,callback){
this.element=$(element);
this.eventName=eventName;
this.selector=selector;
this.callback=callback;
this.handler=this.handleEvent.bind(this);
},
start:function(){
Event.observe(this.element,this.eventName,this.handler);
return this;
},
stop:function(){
Event.stopObserving(this.element,this.eventName,this.handler);
return this;
},
handleEvent:function(event){
var element=Event.findElement(event,this.selector);
if(element)this.callback.call(this.element,event,element);
}
});
function on(element,eventName,selector,callback){
element=$(element);
if(Object.isFunction(selector)&&Object.isUndefined(callback)){
callback=selector,selector=null;
}
return new Event.Handler(element,eventName,selector,callback).start();
}
Object.extend(Event,Event.Methods);
Object.extend(Event,{
fire:fire,
observe:observe,
stopObserving:stopObserving,
on:on
});
Element.addMethods({
fire:fire,
observe:observe,
stopObserving:stopObserving,
on:on
});
Object.extend(document,{
fire:fire.methodize(),
observe:observe.methodize(),
stopObserving:stopObserving.methodize(),
on:on.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);
(function(){
window.Selector=Class.create({
initialize:function(expression){
this.expression=expression.strip();
},
findElements:function(rootElement){
return Prototype.Selector.select(this.expression,rootElement);
},
match:function(element){
return Prototype.Selector.match(element,this.expression);
},
toString:function(){
return this.expression;
},
inspect:function(){
return"#<Selector: "+this.expression+">";
}
});
Object.extend(Selector,{
matchElements:function(elements,expression){
var match=Prototype.Selector.match,
results=[];
for(var i=0,length=elements.length;i<length;i++){
var element=elements[i];
if(match(element,expression)){
results.push(Element.extend(element));
}
}
return results;
},
findElement:function(elements,expression,index){
index=index||0;
var matchIndex=0,element;
for(var i=0,length=elements.length;i<length;i++){
element=elements[i];
if(Prototype.Selector.match(element,expression)&&index===matchIndex++){
return Element.extend(element);
}
}
},
findChildElements:function(element,expressions){
var selector=expressions.toArray().join(', ');
return Prototype.Selector.select(selector,element||document);
}
});
})();
var Scriptaculous={
Version:'1.9.0',
require:function(libraryName){
try{
document.write('<script type="text/javascript" src="'+libraryName+'"><\/script>');
}catch(e){
var script=document.createElement('script');
script.type='text/javascript';
script.src=libraryName;
document.getElementsByTagName('head')[0].appendChild(script);
}
},
REQUIRED_PROTOTYPE:'1.6.0.3',
load:function(){
function convertVersionString(versionString){
var v=versionString.replace(/_.*|\./g,'');
v=parseInt(v+'0'.times(4-v.length));
return versionString.indexOf('_')>-1?v-1:v;
}
if((typeof Prototype=='undefined')||
(typeof Element=='undefined')||
(typeof Element.Methods=='undefined')||
(convertVersionString(Prototype.Version)<
convertVersionString(Scriptaculous.REQUIRED_PROTOTYPE)))
throw("script.aculo.us requires the Prototype JavaScript framework >= "+
Scriptaculous.REQUIRED_PROTOTYPE);
var js=/scriptaculous\.js(\?.*)?$/;
$$('script[src]').findAll(function(s){
return s.src.match(js);
}).each(function(s){
var path=s.src.replace(js,''),
includes=s.src.match(/\?.*load=([a-z,]*)/);
(includes?includes[1]:'builder,effects,dragdrop,controls,slider,sound').split(',').each(
function(include){Scriptaculous.require(path+include+'.js')});
});
}
};
Scriptaculous.load();
String.prototype.parseColor=function(){
var color='#';
if(this.slice(0,4)=='rgb('){
var cols=this.slice(4,this.length-1).split(',');
var i=0;do{color+=parseInt(cols[i]).toColorPart()}while(++i<3);
}else{
if(this.slice(0,1)=='#'){
if(this.length==4)for(var i=1;i<4;i++)color+=(this.charAt(i)+this.charAt(i)).toLowerCase();
if(this.length==7)color=this.toLowerCase();
}
}
return(color.length==7?color:(arguments[0]||this));
};
Element.collectTextNodes=function(element){
return $A($(element).childNodes).collect(function(node){
return(node.nodeType==3?node.nodeValue:
(node.hasChildNodes()?Element.collectTextNodes(node):''));
}).flatten().join('');
};
Element.collectTextNodesIgnoreClass=function(element,className){
return $A($(element).childNodes).collect(function(node){
return(node.nodeType==3?node.nodeValue:
((node.hasChildNodes()&&!Element.hasClassName(node,className))?
Element.collectTextNodesIgnoreClass(node,className):''));
}).flatten().join('');
};
Element.setContentZoom=function(element,percent){
element=$(element);
element.setStyle({fontSize:(percent/100)+'em'});
if(Prototype.Browser.WebKit)window.scrollBy(0,0);
return element;
};
Element.getInlineOpacity=function(element){
return $(element).style.opacity||'';
};
Element.forceRerendering=function(element){
try{
element=$(element);
var n=document.createTextNode(' ');
element.appendChild(n);
element.removeChild(n);
}catch(e){}
};
var Effect={
_elementDoesNotExistError:{
name:'ElementDoesNotExistError',
message:'The specified DOM element does not exist, but is required for this effect to operate'
},
Transitions:{
linear:Prototype.K,
sinoidal:function(pos){
return(-Math.cos(pos*Math.PI)/2)+.5;
},
reverse:function(pos){
return 1-pos;
},
flicker:function(pos){
var pos=((-Math.cos(pos*Math.PI)/4)+.75)+Math.random()/4;
return pos>1?1:pos;
},
wobble:function(pos){
return(-Math.cos(pos*Math.PI*(9*pos))/2)+.5;
},
pulse:function(pos,pulses){
return(-Math.cos((pos*((pulses||5)-.5)*2)*Math.PI)/2)+.5;
},
spring:function(pos){
return 1-(Math.cos(pos*4.5*Math.PI)*Math.exp(-pos*6));
},
none:function(pos){
return 0;
},
full:function(pos){
return 1;
}
},
DefaultOptions:{
duration:1.0,
fps:100,
sync:false,
from:0.0,
to:1.0,
delay:0.0,
queue:'parallel'
},
tagifyText:function(element){
var tagifyStyle='position:relative';
if(Prototype.Browser.IE)tagifyStyle+=';zoom:1';
element=$(element);
$A(element.childNodes).each(function(child){
if(child.nodeType==3){
child.nodeValue.toArray().each(function(character){
element.insertBefore(
new Element('span',{style:tagifyStyle}).update(
character==' '?String.fromCharCode(160):character),
child);
});
Element.remove(child);
}
});
},
multiple:function(element,effect){
var elements;
if(((typeof element=='object')||
Object.isFunction(element))&&
(element.length))
elements=element;
else
elements=$(element).childNodes;
var options=Object.extend({
speed:0.1,
delay:0.0
},arguments[2]||{});
var masterDelay=options.delay;
$A(elements).each(function(element,index){
new effect(element,Object.extend(options,{delay:index*options.speed+masterDelay}));
});
},
PAIRS:{
'slide':['SlideDown','SlideUp'],
'blind':['BlindDown','BlindUp'],
'appear':['Appear','Fade']
},
toggle:function(element,effect,options){
element=$(element);
effect=(effect||'appear').toLowerCase();
return Effect[Effect.PAIRS[effect][element.visible()?1:0]](element,Object.extend({
queue:{position:'end',scope:(element.id||'global'),limit:1}
},options||{}));
}
};
Effect.DefaultOptions.transition=Effect.Transitions.sinoidal;
Effect.ScopedQueue=Class.create(Enumerable,{
initialize:function(){
this.effects=[];
this.interval=null;
},
_each:function(iterator){
this.effects._each(iterator);
},
add:function(effect){
var timestamp=new Date().getTime();
var position=Object.isString(effect.options.queue)?
effect.options.queue:effect.options.queue.position;
switch(position){
case'front':
this.effects.findAll(function(e){return e.state=='idle'}).each(function(e){
e.startOn+=effect.finishOn;
e.finishOn+=effect.finishOn;
});
break;
case'with-last':
timestamp=this.effects.pluck('startOn').max()||timestamp;
break;
case'end':
timestamp=this.effects.pluck('finishOn').max()||timestamp;
break;
}
effect.startOn+=timestamp;
effect.finishOn+=timestamp;
if(!effect.options.queue.limit||(this.effects.length<effect.options.queue.limit))
this.effects.push(effect);
if(!this.interval)
this.interval=setInterval(this.loop.bind(this),15);
},
remove:function(effect){
this.effects=this.effects.reject(function(e){return e==effect});
if(this.effects.length==0){
clearInterval(this.interval);
this.interval=null;
}
},
loop:function(){
var timePos=new Date().getTime();
for(var i=0,len=this.effects.length;i<len;i++)
this.effects[i]&&this.effects[i].loop(timePos);
}
});
Effect.Queues={
instances:$H(),
get:function(queueName){
if(!Object.isString(queueName))return queueName;
return this.instances.get(queueName)||
this.instances.set(queueName,new Effect.ScopedQueue());
}
};
Effect.Queue=Effect.Queues.get('global');
Effect.Base=Class.create({
position:null,
start:function(options){
if(options&&options.transition===false)options.transition=Effect.Transitions.linear;
this.options=Object.extend(Object.extend({},Effect.DefaultOptions),options||{});
this.currentFrame=0;
this.state='idle';
this.startOn=this.options.delay*1000;
this.finishOn=this.startOn+(this.options.duration*1000);
this.fromToDelta=this.options.to-this.options.from;
this.totalTime=this.finishOn-this.startOn;
this.totalFrames=this.options.fps*this.options.duration;
this.render=(function(){
function dispatch(effect,eventName){
if(effect.options[eventName+'Internal'])
effect.options[eventName+'Internal'](effect);
if(effect.options[eventName])
effect.options[eventName](effect);
}
return function(pos){
if(this.state==="idle"){
this.state="running";
dispatch(this,'beforeSetup');
if(this.setup)this.setup();
dispatch(this,'afterSetup');
}
if(this.state==="running"){
pos=(this.options.transition(pos)*this.fromToDelta)+this.options.from;
this.position=pos;
dispatch(this,'beforeUpdate');
if(this.update)this.update(pos);
dispatch(this,'afterUpdate');
}
};
})();
this.event('beforeStart');
if(!this.options.sync)
Effect.Queues.get(Object.isString(this.options.queue)?
'global':this.options.queue.scope).add(this);
},
loop:function(timePos){
if(timePos>=this.startOn){
if(timePos>=this.finishOn){
this.render(1.0);
this.cancel();
this.event('beforeFinish');
if(this.finish)this.finish();
this.event('afterFinish');
return;
}
var pos=(timePos-this.startOn)/this.totalTime,
frame=(pos*this.totalFrames).round();
if(frame>this.currentFrame){
this.render(pos);
this.currentFrame=frame;
}
}
},
cancel:function(){
if(!this.options.sync)
Effect.Queues.get(Object.isString(this.options.queue)?
'global':this.options.queue.scope).remove(this);
this.state='finished';
},
event:function(eventName){
if(this.options[eventName+'Internal'])this.options[eventName+'Internal'](this);
if(this.options[eventName])this.options[eventName](this);
},
inspect:function(){
var data=$H();
for(property in this)
if(!Object.isFunction(this[property]))data.set(property,this[property]);
return'#<Effect:'+data.inspect()+',options:'+$H(this.options).inspect()+'>';
}
});
Effect.Parallel=Class.create(Effect.Base,{
initialize:function(effects){
this.effects=effects||[];
this.start(arguments[1]);
},
update:function(position){
this.effects.invoke('render',position);
},
finish:function(position){
this.effects.each(function(effect){
effect.render(1.0);
effect.cancel();
effect.event('beforeFinish');
if(effect.finish)effect.finish(position);
effect.event('afterFinish');
});
}
});
Effect.Tween=Class.create(Effect.Base,{
initialize:function(object,from,to){
object=Object.isString(object)?$(object):object;
var args=$A(arguments),method=args.last(),
options=args.length==5?args[3]:null;
this.method=Object.isFunction(method)?method.bind(object):
Object.isFunction(object[method])?object[method].bind(object):
function(value){object[method]=value};
this.start(Object.extend({from:from,to:to},options||{}));
},
update:function(position){
this.method(position);
}
});
Effect.Event=Class.create(Effect.Base,{
initialize:function(){
this.start(Object.extend({duration:0},arguments[0]||{}));
},
update:Prototype.emptyFunction
});
Effect.Opacity=Class.create(Effect.Base,{
initialize:function(element){
this.element=$(element);
if(!this.element)throw(Effect._elementDoesNotExistError);
if(Prototype.Browser.IE&&(!this.element.currentStyle.hasLayout))
this.element.setStyle({zoom:1});
var options=Object.extend({
from:this.element.getOpacity()||0.0,
to:1.0
},arguments[1]||{});
this.start(options);
},
update:function(position){
this.element.setOpacity(position);
}
});
Effect.Move=Class.create(Effect.Base,{
initialize:function(element){
this.element=$(element);
if(!this.element)throw(Effect._elementDoesNotExistError);
var options=Object.extend({
x:0,
y:0,
mode:'relative'
},arguments[1]||{});
this.start(options);
},
setup:function(){
this.element.makePositioned();
this.originalLeft=parseFloat(this.element.getStyle('left')||'0');
this.originalTop=parseFloat(this.element.getStyle('top')||'0');
if(this.options.mode=='absolute'){
this.options.x=this.options.x-this.originalLeft;
this.options.y=this.options.y-this.originalTop;
}
},
update:function(position){
this.element.setStyle({
left:(this.options.x*position+this.originalLeft).round()+'px',
top:(this.options.y*position+this.originalTop).round()+'px'
});
}
});
Effect.MoveBy=function(element,toTop,toLeft){
return new Effect.Move(element,
Object.extend({x:toLeft,y:toTop},arguments[3]||{}));
};
Effect.Scale=Class.create(Effect.Base,{
initialize:function(element,percent){
this.element=$(element);
if(!this.element)throw(Effect._elementDoesNotExistError);
var options=Object.extend({
scaleX:true,
scaleY:true,
scaleContent:true,
scaleFromCenter:false,
scaleMode:'box',
scaleFrom:100.0,
scaleTo:percent
},arguments[2]||{});
this.start(options);
},
setup:function(){
this.restoreAfterFinish=this.options.restoreAfterFinish||false;
this.elementPositioning=this.element.getStyle('position');
this.originalStyle={};
['top','left','width','height','fontSize'].each(function(k){
this.originalStyle[k]=this.element.style[k];
}.bind(this));
this.originalTop=this.element.offsetTop;
this.originalLeft=this.element.offsetLeft;
var fontSize=this.element.getStyle('font-size')||'100%';
['em','px','%','pt'].each(function(fontSizeType){
if(fontSize.indexOf(fontSizeType)>0){
this.fontSize=parseFloat(fontSize);
this.fontSizeType=fontSizeType;
}
}.bind(this));
this.factor=(this.options.scaleTo-this.options.scaleFrom)/100;
this.dims=null;
if(this.options.scaleMode=='box')
this.dims=[this.element.offsetHeight,this.element.offsetWidth];
if(/^content/.test(this.options.scaleMode))
this.dims=[this.element.scrollHeight,this.element.scrollWidth];
if(!this.dims)
this.dims=[this.options.scaleMode.originalHeight,
this.options.scaleMode.originalWidth];
},
update:function(position){
var currentScale=(this.options.scaleFrom/100.0)+(this.factor*position);
if(this.options.scaleContent&&this.fontSize)
this.element.setStyle({fontSize:this.fontSize*currentScale+this.fontSizeType});
this.setDimensions(this.dims[0]*currentScale,this.dims[1]*currentScale);
},
finish:function(position){
if(this.restoreAfterFinish)this.element.setStyle(this.originalStyle);
},
setDimensions:function(height,width){
var d={};
if(this.options.scaleX)d.width=width.round()+'px';
if(this.options.scaleY)d.height=height.round()+'px';
if(this.options.scaleFromCenter){
var topd=(height-this.dims[0])/2;
var leftd=(width-this.dims[1])/2;
if(this.elementPositioning=='absolute'){
if(this.options.scaleY)d.top=this.originalTop-topd+'px';
if(this.options.scaleX)d.left=this.originalLeft-leftd+'px';
}else{
if(this.options.scaleY)d.top=-topd+'px';
if(this.options.scaleX)d.left=-leftd+'px';
}
}
this.element.setStyle(d);
}
});
Effect.Highlight=Class.create(Effect.Base,{
initialize:function(element){
this.element=$(element);
if(!this.element)throw(Effect._elementDoesNotExistError);
var options=Object.extend({startcolor:'#ffff99'},arguments[1]||{});
this.start(options);
},
setup:function(){
if(this.element.getStyle('display')=='none'){this.cancel();return;}
this.oldStyle={};
if(!this.options.keepBackgroundImage){
this.oldStyle.backgroundImage=this.element.getStyle('background-image');
this.element.setStyle({backgroundImage:'none'});
}
if(!this.options.endcolor)
this.options.endcolor=this.element.getStyle('background-color').parseColor('#ffffff');
if(!this.options.restorecolor)
this.options.restorecolor=this.element.getStyle('background-color');
this._base=$R(0,2).map(function(i){return parseInt(this.options.startcolor.slice(i*2+1,i*2+3),16)}.bind(this));
this._delta=$R(0,2).map(function(i){return parseInt(this.options.endcolor.slice(i*2+1,i*2+3),16)-this._base[i]}.bind(this));
},
update:function(position){
this.element.setStyle({backgroundColor:$R(0,2).inject('#',function(m,v,i){
return m+((this._base[i]+(this._delta[i]*position)).round().toColorPart());}.bind(this))});
},
finish:function(){
this.element.setStyle(Object.extend(this.oldStyle,{
backgroundColor:this.options.restorecolor
}));
}
});
Effect.ScrollTo=function(element){
var options=arguments[1]||{},
scrollOffsets=document.viewport.getScrollOffsets(),
elementOffsets=$(element).cumulativeOffset();
if(options.offset)elementOffsets[1]+=options.offset;
return new Effect.Tween(null,
scrollOffsets.top,
elementOffsets[1],
options,
function(p){scrollTo(scrollOffsets.left,p.round());}
);
};
Effect.Fade=function(element){
element=$(element);
var oldOpacity=element.getInlineOpacity();
var options=Object.extend({
from:element.getOpacity()||1.0,
to:0.0,
afterFinishInternal:function(effect){
if(effect.options.to!=0)return;
effect.element.hide().setStyle({opacity:oldOpacity});
}
},arguments[1]||{});
return new Effect.Opacity(element,options);
};
Effect.Appear=function(element){
element=$(element);
var options=Object.extend({
from:(element.getStyle('display')=='none'?0.0:element.getOpacity()||0.0),
to:1.0,
afterFinishInternal:function(effect){
effect.element.forceRerendering();
},
beforeSetup:function(effect){
effect.element.setOpacity(effect.options.from).show();
}},arguments[1]||{});
return new Effect.Opacity(element,options);
};
Effect.Puff=function(element){
element=$(element);
var oldStyle={
opacity:element.getInlineOpacity(),
position:element.getStyle('position'),
top:element.style.top,
left:element.style.left,
width:element.style.width,
height:element.style.height
};
return new Effect.Parallel(
[new Effect.Scale(element,200,
{sync:true,scaleFromCenter:true,scaleContent:true,restoreAfterFinish:true}),
new Effect.Opacity(element,{sync:true,to:0.0})],
Object.extend({duration:1.0,
beforeSetupInternal:function(effect){
Position.absolutize(effect.effects[0].element);
},
afterFinishInternal:function(effect){
effect.effects[0].element.hide().setStyle(oldStyle);}
},arguments[1]||{})
);
};
Effect.BlindUp=function(element){
element=$(element);
element.makeClipping();
return new Effect.Scale(element,0,
Object.extend({scaleContent:false,
scaleX:false,
restoreAfterFinish:true,
afterFinishInternal:function(effect){
effect.element.hide().undoClipping();
}
},arguments[1]||{})
);
};
Effect.BlindDown=function(element){
element=$(element);
var elementDimensions=element.getDimensions();
return new Effect.Scale(element,100,Object.extend({
scaleContent:false,
scaleX:false,
scaleFrom:0,
scaleMode:{originalHeight:elementDimensions.height,originalWidth:elementDimensions.width},
restoreAfterFinish:true,
afterSetup:function(effect){
effect.element.makeClipping().setStyle({height:'0px'}).show();
},
afterFinishInternal:function(effect){
effect.element.undoClipping();
}
},arguments[1]||{}));
};
Effect.SwitchOff=function(element){
element=$(element);
var oldOpacity=element.getInlineOpacity();
return new Effect.Appear(element,Object.extend({
duration:0.4,
from:0,
transition:Effect.Transitions.flicker,
afterFinishInternal:function(effect){
new Effect.Scale(effect.element,1,{
duration:0.3,scaleFromCenter:true,
scaleX:false,scaleContent:false,restoreAfterFinish:true,
beforeSetup:function(effect){
effect.element.makePositioned().makeClipping();
},
afterFinishInternal:function(effect){
effect.element.hide().undoClipping().undoPositioned().setStyle({opacity:oldOpacity});
}
});
}
},arguments[1]||{}));
};
Effect.DropOut=function(element){
element=$(element);
var oldStyle={
top:element.getStyle('top'),
left:element.getStyle('left'),
opacity:element.getInlineOpacity()};
return new Effect.Parallel(
[new Effect.Move(element,{x:0,y:100,sync:true}),
new Effect.Opacity(element,{sync:true,to:0.0})],
Object.extend(
{duration:0.5,
beforeSetup:function(effect){
effect.effects[0].element.makePositioned();
},
afterFinishInternal:function(effect){
effect.effects[0].element.hide().undoPositioned().setStyle(oldStyle);
}
},arguments[1]||{}));
};
Effect.Shake=function(element){
element=$(element);
var options=Object.extend({
distance:20,
duration:0.5
},arguments[1]||{});
var distance=parseFloat(options.distance);
var split=parseFloat(options.duration)/10.0;
var oldStyle={
top:element.getStyle('top'),
left:element.getStyle('left')};
return new Effect.Move(element,
{x:distance,y:0,duration:split,afterFinishInternal:function(effect){
new Effect.Move(effect.element,
{x:-distance*2,y:0,duration:split*2,afterFinishInternal:function(effect){
new Effect.Move(effect.element,
{x:distance*2,y:0,duration:split*2,afterFinishInternal:function(effect){
new Effect.Move(effect.element,
{x:-distance*2,y:0,duration:split*2,afterFinishInternal:function(effect){
new Effect.Move(effect.element,
{x:distance*2,y:0,duration:split*2,afterFinishInternal:function(effect){
new Effect.Move(effect.element,
{x:-distance,y:0,duration:split,afterFinishInternal:function(effect){
effect.element.undoPositioned().setStyle(oldStyle);
}});}});}});}});}});}});
};
Effect.SlideDown=function(element){
element=$(element).cleanWhitespace();
var oldInnerBottom=element.down().getStyle('bottom');
var elementDimensions=element.getDimensions();
return new Effect.Scale(element,100,Object.extend({
scaleContent:false,
scaleX:false,
scaleFrom:window.opera?0:1,
scaleMode:{originalHeight:elementDimensions.height,originalWidth:elementDimensions.width},
restoreAfterFinish:true,
afterSetup:function(effect){
effect.element.makePositioned();
effect.element.down().makePositioned();
if(window.opera)effect.element.setStyle({top:''});
effect.element.makeClipping().setStyle({height:'0px'}).show();
},
afterUpdateInternal:function(effect){
effect.element.down().setStyle({bottom:
(effect.dims[0]-effect.element.clientHeight)+'px'});
},
afterFinishInternal:function(effect){
effect.element.undoClipping().undoPositioned();
effect.element.down().undoPositioned().setStyle({bottom:oldInnerBottom});}
},arguments[1]||{})
);
};
Effect.SlideUp=function(element){
element=$(element).cleanWhitespace();
var oldInnerBottom=element.down().getStyle('bottom');
var elementDimensions=element.getDimensions();
return new Effect.Scale(element,window.opera?0:1,
Object.extend({scaleContent:false,
scaleX:false,
scaleMode:'box',
scaleFrom:100,
scaleMode:{originalHeight:elementDimensions.height,originalWidth:elementDimensions.width},
restoreAfterFinish:true,
afterSetup:function(effect){
effect.element.makePositioned();
effect.element.down().makePositioned();
if(window.opera)effect.element.setStyle({top:''});
effect.element.makeClipping().show();
},
afterUpdateInternal:function(effect){
effect.element.down().setStyle({bottom:
(effect.dims[0]-effect.element.clientHeight)+'px'});
},
afterFinishInternal:function(effect){
effect.element.hide().undoClipping().undoPositioned();
effect.element.down().undoPositioned().setStyle({bottom:oldInnerBottom});
}
},arguments[1]||{})
);
};
Effect.Squish=function(element){
return new Effect.Scale(element,window.opera?1:0,{
restoreAfterFinish:true,
beforeSetup:function(effect){
effect.element.makeClipping();
},
afterFinishInternal:function(effect){
effect.element.hide().undoClipping();
}
});
};
Effect.Grow=function(element){
element=$(element);
var options=Object.extend({
direction:'center',
moveTransition:Effect.Transitions.sinoidal,
scaleTransition:Effect.Transitions.sinoidal,
opacityTransition:Effect.Transitions.full
},arguments[1]||{});
var oldStyle={
top:element.style.top,
left:element.style.left,
height:element.style.height,
width:element.style.width,
opacity:element.getInlineOpacity()};
var dims=element.getDimensions();
var initialMoveX,initialMoveY;
var moveX,moveY;
switch(options.direction){
case'top-left':
initialMoveX=initialMoveY=moveX=moveY=0;
break;
case'top-right':
initialMoveX=dims.width;
initialMoveY=moveY=0;
moveX=-dims.width;
break;
case'bottom-left':
initialMoveX=moveX=0;
initialMoveY=dims.height;
moveY=-dims.height;
break;
case'bottom-right':
initialMoveX=dims.width;
initialMoveY=dims.height;
moveX=-dims.width;
moveY=-dims.height;
break;
case'center':
initialMoveX=dims.width/2;
initialMoveY=dims.height/2;
moveX=-dims.width/2;
moveY=-dims.height/2;
break;
}
return new Effect.Move(element,{
x:initialMoveX,
y:initialMoveY,
duration:0.01,
beforeSetup:function(effect){
effect.element.hide().makeClipping().makePositioned();
},
afterFinishInternal:function(effect){
new Effect.Parallel(
[new Effect.Opacity(effect.element,{sync:true,to:1.0,from:0.0,transition:options.opacityTransition}),
new Effect.Move(effect.element,{x:moveX,y:moveY,sync:true,transition:options.moveTransition}),
new Effect.Scale(effect.element,100,{
scaleMode:{originalHeight:dims.height,originalWidth:dims.width},
sync:true,scaleFrom:window.opera?1:0,transition:options.scaleTransition,restoreAfterFinish:true})
],Object.extend({
beforeSetup:function(effect){
effect.effects[0].element.setStyle({height:'0px'}).show();
},
afterFinishInternal:function(effect){
effect.effects[0].element.undoClipping().undoPositioned().setStyle(oldStyle);
}
},options)
);
}
});
};
Effect.Shrink=function(element){
element=$(element);
var options=Object.extend({
direction:'center',
moveTransition:Effect.Transitions.sinoidal,
scaleTransition:Effect.Transitions.sinoidal,
opacityTransition:Effect.Transitions.none
},arguments[1]||{});
var oldStyle={
top:element.style.top,
left:element.style.left,
height:element.style.height,
width:element.style.width,
opacity:element.getInlineOpacity()};
var dims=element.getDimensions();
var moveX,moveY;
switch(options.direction){
case'top-left':
moveX=moveY=0;
break;
case'top-right':
moveX=dims.width;
moveY=0;
break;
case'bottom-left':
moveX=0;
moveY=dims.height;
break;
case'bottom-right':
moveX=dims.width;
moveY=dims.height;
break;
case'center':
moveX=dims.width/2;
moveY=dims.height/2;
break;
}
return new Effect.Parallel(
[new Effect.Opacity(element,{sync:true,to:0.0,from:1.0,transition:options.opacityTransition}),
new Effect.Scale(element,window.opera?1:0,{sync:true,transition:options.scaleTransition,restoreAfterFinish:true}),
new Effect.Move(element,{x:moveX,y:moveY,sync:true,transition:options.moveTransition})
],Object.extend({
beforeStartInternal:function(effect){
effect.effects[0].element.makePositioned().makeClipping();
},
afterFinishInternal:function(effect){
effect.effects[0].element.hide().undoClipping().undoPositioned().setStyle(oldStyle);}
},options)
);
};
Effect.Pulsate=function(element){
element=$(element);
var options=arguments[1]||{},
oldOpacity=element.getInlineOpacity(),
transition=options.transition||Effect.Transitions.linear,
reverser=function(pos){
return 1-transition((-Math.cos((pos*(options.pulses||5)*2)*Math.PI)/2)+.5);
};
return new Effect.Opacity(element,
Object.extend(Object.extend({duration:2.0,from:0,
afterFinishInternal:function(effect){effect.element.setStyle({opacity:oldOpacity});}
},options),{transition:reverser}));
};
Effect.Fold=function(element){
element=$(element);
var oldStyle={
top:element.style.top,
left:element.style.left,
width:element.style.width,
height:element.style.height};
element.makeClipping();
return new Effect.Scale(element,5,Object.extend({
scaleContent:false,
scaleX:false,
afterFinishInternal:function(effect){
new Effect.Scale(element,1,{
scaleContent:false,
scaleY:false,
afterFinishInternal:function(effect){
effect.element.hide().undoClipping().setStyle(oldStyle);
}});
}},arguments[1]||{}));
};
Effect.Morph=Class.create(Effect.Base,{
initialize:function(element){
this.element=$(element);
if(!this.element)throw(Effect._elementDoesNotExistError);
var options=Object.extend({
style:{}
},arguments[1]||{});
if(!Object.isString(options.style))this.style=$H(options.style);
else{
if(options.style.include(':'))
this.style=options.style.parseStyle();
else{
this.element.addClassName(options.style);
this.style=$H(this.element.getStyles());
this.element.removeClassName(options.style);
var css=this.element.getStyles();
this.style=this.style.reject(function(style){
return style.value==css[style.key];
});
options.afterFinishInternal=function(effect){
effect.element.addClassName(effect.options.style);
effect.transforms.each(function(transform){
effect.element.style[transform.style]='';
});
};
}
}
this.start(options);
},
setup:function(){
function parseColor(color){
if(!color||['rgba(0, 0, 0, 0)','transparent'].include(color))color='#ffffff';
color=color.parseColor();
return $R(0,2).map(function(i){
return parseInt(color.slice(i*2+1,i*2+3),16);
});
}
this.transforms=this.style.map(function(pair){
var property=pair[0],value=pair[1],unit=null;
if(value.parseColor('#zzzzzz')!='#zzzzzz'){
value=value.parseColor();
unit='color';
}else if(property=='opacity'){
value=parseFloat(value);
if(Prototype.Browser.IE&&(!this.element.currentStyle.hasLayout))
this.element.setStyle({zoom:1});
}else if(Element.CSS_LENGTH.test(value)){
var components=value.match(/^([\+\-]?[0-9\.]+)(.*)$/);
value=parseFloat(components[1]);
unit=(components.length==3)?components[2]:null;
}
var originalValue=this.element.getStyle(property);
return{
style:property.camelize(),
originalValue:unit=='color'?parseColor(originalValue):parseFloat(originalValue||0),
targetValue:unit=='color'?parseColor(value):value,
unit:unit
};
}.bind(this)).reject(function(transform){
return(
(transform.originalValue==transform.targetValue)||
(
transform.unit!='color'&&
(isNaN(transform.originalValue)||isNaN(transform.targetValue))
)
);
});
},
update:function(position){
var style={},transform,i=this.transforms.length;
while(i--)
style[(transform=this.transforms[i]).style]=
transform.unit=='color'?'#'+
(Math.round(transform.originalValue[0]+
(transform.targetValue[0]-transform.originalValue[0])*position)).toColorPart()+
(Math.round(transform.originalValue[1]+
(transform.targetValue[1]-transform.originalValue[1])*position)).toColorPart()+
(Math.round(transform.originalValue[2]+
(transform.targetValue[2]-transform.originalValue[2])*position)).toColorPart():
(transform.originalValue+
(transform.targetValue-transform.originalValue)*position).toFixed(3)+
(transform.unit===null?'':transform.unit);
this.element.setStyle(style,true);
}
});
Effect.Transform=Class.create({
initialize:function(tracks){
this.tracks=[];
this.options=arguments[1]||{};
this.addTracks(tracks);
},
addTracks:function(tracks){
tracks.each(function(track){
track=$H(track);
var data=track.values().first();
this.tracks.push($H({
ids:track.keys().first(),
effect:Effect.Morph,
options:{style:data}
}));
}.bind(this));
return this;
},
play:function(){
return new Effect.Parallel(
this.tracks.map(function(track){
var ids=track.get('ids'),effect=track.get('effect'),options=track.get('options');
var elements=[$(ids)||$$(ids)].flatten();
return elements.map(function(e){return new effect(e,Object.extend({sync:true},options))});
}).flatten(),
this.options
);
}
});
Element.CSS_PROPERTIES=$w(
'backgroundColor backgroundPosition borderBottomColor borderBottomStyle '+
'borderBottomWidth borderLeftColor borderLeftStyle borderLeftWidth '+
'borderRightColor borderRightStyle borderRightWidth borderSpacing '+
'borderTopColor borderTopStyle borderTopWidth bottom clip color '+
'fontSize fontWeight height left letterSpacing lineHeight '+
'marginBottom marginLeft marginRight marginTop markerOffset maxHeight '+
'maxWidth minHeight minWidth opacity outlineColor outlineOffset '+
'outlineWidth paddingBottom paddingLeft paddingRight paddingTop '+
'right textIndent top width wordSpacing zIndex');
Element.CSS_LENGTH=/^(([\+\-]?[0-9\.]+)(em|ex|px|in|cm|mm|pt|pc|\%))|0$/;
String.__parseStyleElement=document.createElement('div');
String.prototype.parseStyle=function(){
var style,styleRules=$H();
if(Prototype.Browser.WebKit)
style=new Element('div',{style:this}).style;
else{
String.__parseStyleElement.innerHTML='<div style="'+this+'"></div>';
style=String.__parseStyleElement.childNodes[0].style;
}
Element.CSS_PROPERTIES.each(function(property){
if(style[property])styleRules.set(property,style[property]);
});
if(Prototype.Browser.IE&&this.include('opacity'))
styleRules.set('opacity',this.match(/opacity:\s*((?:0|1)?(?:\.\d*)?)/)[1]);
return styleRules;
};
if(document.defaultView&&document.defaultView.getComputedStyle){
Element.getStyles=function(element){
var css=document.defaultView.getComputedStyle($(element),null);
return Element.CSS_PROPERTIES.inject({},function(styles,property){
styles[property]=css[property];
return styles;
});
};
}else{
Element.getStyles=function(element){
element=$(element);
var css=element.currentStyle,styles;
styles=Element.CSS_PROPERTIES.inject({},function(results,property){
results[property]=css[property];
return results;
});
if(!styles.opacity)styles.opacity=element.getOpacity();
return styles;
};
}
Effect.Methods={
morph:function(element,style){
element=$(element);
new Effect.Morph(element,Object.extend({style:style},arguments[2]||{}));
return element;
},
visualEffect:function(element,effect,options){
element=$(element);
var s=effect.dasherize().camelize(),klass=s.charAt(0).toUpperCase()+s.substring(1);
new Effect[klass](element,options);
return element;
},
highlight:function(element,options){
element=$(element);
new Effect.Highlight(element,options);
return element;
}
};
$w('fade appear grow shrink fold blindUp blindDown slideUp slideDown '+
'pulsate shake puff squish switchOff dropOut').each(
function(effect){
Effect.Methods[effect]=function(element,options){
element=$(element);
Effect[effect.charAt(0).toUpperCase()+effect.substring(1)](element,options);
return element;
};
}
);
$w('getInlineOpacity forceRerendering setContentZoom collectTextNodes collectTextNodesIgnoreClass getStyles').each(
function(f){Effect.Methods[f]=Element[f];}
);
Element.addMethods(Effect.Methods);
var Builder={
NODEMAP:{
AREA:'map',
CAPTION:'table',
COL:'table',
COLGROUP:'table',
LEGEND:'fieldset',
OPTGROUP:'select',
OPTION:'select',
PARAM:'object',
TBODY:'table',
TD:'table',
TFOOT:'table',
TH:'table',
THEAD:'table',
TR:'table'
},
node:function(elementName){
elementName=elementName.toUpperCase();
var parentTag=this.NODEMAP[elementName]||'div';
var parentElement=document.createElement(parentTag);
try{
parentElement.innerHTML="<"+elementName+"></"+elementName+">";
}catch(e){}
var element=parentElement.firstChild||null;
if(element&&(element.tagName.toUpperCase()!=elementName))
element=element.getElementsByTagName(elementName)[0];
if(!element)element=document.createElement(elementName);
if(!element)return;
if(arguments[1])
if(this._isStringOrNumber(arguments[1])||
(arguments[1]instanceof Array)||
arguments[1].tagName){
this._children(element,arguments[1]);
}else{
var attrs=this._attributes(arguments[1]);
if(attrs.length){
try{
parentElement.innerHTML="<"+elementName+" "+
attrs+"></"+elementName+">";
}catch(e){}
element=parentElement.firstChild||null;
if(!element){
element=document.createElement(elementName);
for(attr in arguments[1])
element[attr=='class'?'className':attr]=arguments[1][attr];
}
if(element.tagName.toUpperCase()!=elementName)
element=parentElement.getElementsByTagName(elementName)[0];
}
}
if(arguments[2])
this._children(element,arguments[2]);
return $(element);
},
_text:function(text){
return document.createTextNode(text);
},
ATTR_MAP:{
'className':'class',
'htmlFor':'for'
},
_attributes:function(attributes){
var attrs=[];
for(attribute in attributes)
attrs.push((attribute in this.ATTR_MAP?this.ATTR_MAP[attribute]:attribute)+
'="'+attributes[attribute].toString().escapeHTML().gsub(/"/,'&quot;')+'"');
return attrs.join(" ");
},
_children:function(element,children){
if(children.tagName){
element.appendChild(children);
return;
}
if(typeof children=='object'){
children.flatten().each(function(e){
if(typeof e=='object')
element.appendChild(e);
else
if(Builder._isStringOrNumber(e))
element.appendChild(Builder._text(e));
});
}else
if(Builder._isStringOrNumber(children))
element.appendChild(Builder._text(children));
},
_isStringOrNumber:function(param){
return(typeof param=='string'||typeof param=='number');
},
build:function(html){
var element=this.node('div');
$(element).update(html.strip());
return element.down();
},
dump:function(scope){
if(typeof scope!='object'&&typeof scope!='function')scope=window;
var tags=("A ABBR ACRONYM ADDRESS APPLET AREA B BASE BASEFONT BDO BIG BLOCKQUOTE BODY "+
"BR BUTTON CAPTION CENTER CITE CODE COL COLGROUP DD DEL DFN DIR DIV DL DT EM FIELDSET "+
"FONT FORM FRAME FRAMESET H1 H2 H3 H4 H5 H6 HEAD HR HTML I IFRAME IMG INPUT INS ISINDEX "+
"KBD LABEL LEGEND LI LINK MAP MENU META NOFRAMES NOSCRIPT OBJECT OL OPTGROUP OPTION P "+
"PARAM PRE Q S SAMP SCRIPT SELECT SMALL SPAN STRIKE STRONG STYLE SUB SUP TABLE TBODY TD "+
"TEXTAREA TFOOT TH THEAD TITLE TR TT U UL VAR").split(/\s+/);
tags.each(function(tag){
scope[tag]=function(){
return Builder.node.apply(Builder,[tag].concat($A(arguments)));
};
});
}
};
LightboxOptions=Object.extend({
fileLoadingImage:'images/loading.gif',
fileBottomNavCloseImage:'images/closelabel.gif',
overlayOpacity:0.8,
animate:true,
resizeSpeed:7,
borderSize:10,
labelImage:"Image",
labelOf:"of"
},window.LightboxOptions||{});
var Lightbox=Class.create();
Lightbox.prototype={
imageArray:[],
activeImage:undefined,
initialize:function(){
this.updateImageList();
this.keyboardAction=this.keyboardAction.bindAsEventListener(this);
if(LightboxOptions.resizeSpeed>10)LightboxOptions.resizeSpeed=10;
if(LightboxOptions.resizeSpeed<1)LightboxOptions.resizeSpeed=1;
this.resizeDuration=LightboxOptions.animate?((11-LightboxOptions.resizeSpeed)*0.15):0;
this.overlayDuration=LightboxOptions.animate?0.2:0;
var size=(LightboxOptions.animate?250:1)+'px';
var objBody=$$('body')[0];
objBody.appendChild(Builder.node('div',{id:'overlay'}));
objBody.appendChild(Builder.node('div',{id:'lightbox'},[
Builder.node('div',{id:'outerImageContainer'},
Builder.node('div',{id:'imageContainer'},[
Builder.node('img',{id:'lightboxImage'}),
Builder.node('div',{id:'hoverNav'},[
Builder.node('a',{id:'prevLink',href:'#'}),
Builder.node('a',{id:'nextLink',href:'#'})
]),
Builder.node('div',{id:'loading'},
Builder.node('a',{id:'loadingLink',href:'#'},
Builder.node('img',{src:LightboxOptions.fileLoadingImage})
)
)
])
),
Builder.node('div',{id:'imageDataContainer'},
Builder.node('div',{id:'imageData'},[
Builder.node('div',{id:'imageDetails'},[
Builder.node('span',{id:'caption'}),
Builder.node('span',{id:'numberDisplay'})
]),
Builder.node('div',{id:'bottomNav'},
Builder.node('a',{id:'bottomNavClose',href:'#'},
Builder.node('img',{src:LightboxOptions.fileBottomNavCloseImage})
)
)
])
)
]));
$('overlay').hide().observe('click',(function(){this.end();}).bind(this));
$('lightbox').hide().observe('click',(function(event){if(event.element().id=='lightbox')this.end();}).bind(this));
$('outerImageContainer').setStyle({width:size,height:size});
$('prevLink').observe('click',(function(event){event.stop();this.changeImage(this.activeImage-1);}).bindAsEventListener(this));
$('nextLink').observe('click',(function(event){event.stop();this.changeImage(this.activeImage+1);}).bindAsEventListener(this));
$('loadingLink').observe('click',(function(event){event.stop();this.end();}).bind(this));
$('bottomNavClose').observe('click',(function(event){event.stop();this.end();}).bind(this));
var th=this;
(function(){
var ids=
'overlay lightbox outerImageContainer imageContainer lightboxImage hoverNav prevLink nextLink loading loadingLink '+
'imageDataContainer imageData imageDetails caption numberDisplay bottomNav bottomNavClose';
$w(ids).each(function(id){th[id]=$(id);});
}).defer();
},
updateImageList:function(){
this.updateImageList=Prototype.emptyFunction;
document.observe('click',(function(event){
var target=event.findElement('a[rel^=lightbox]')||event.findElement('area[rel^=lightbox]');
if(target){
event.stop();
this.start(target);
}
}).bind(this));
},
start:function(imageLink){
$$('select','object','embed').each(function(node){node.style.visibility='hidden'});
var arrayPageSize=this.getPageSize();
$('overlay').setStyle({width:arrayPageSize[0]+'px',height:arrayPageSize[1]+'px'});
new Effect.Appear(this.overlay,{duration:this.overlayDuration,from:0.0,to:LightboxOptions.overlayOpacity});
this.imageArray=[];
var imageNum=0;
if((imageLink.getAttribute("rel")=='lightbox')){
this.imageArray.push([imageLink.href,imageLink.title]);
}else{
this.imageArray=
$$(imageLink.tagName+'[href][rel="'+imageLink.rel+'"]').
collect(function(anchor){return[anchor.href,anchor.title];}).
uniq();
while(this.imageArray[imageNum][0]!=imageLink.href){imageNum++;}
}
var arrayPageScroll=document.viewport.getScrollOffsets();
var lightboxTop=arrayPageScroll[1]+(document.viewport.getHeight()/10);
var lightboxLeft=arrayPageScroll[0];
this.lightbox.setStyle({top:lightboxTop+'px',left:lightboxLeft+'px'}).show();
this.changeImage(imageNum);
},
changeImage:function(imageNum){
this.activeImage=imageNum;
if(LightboxOptions.animate)this.loading.show();
this.lightboxImage.hide();
this.hoverNav.hide();
this.prevLink.hide();
this.nextLink.hide();
this.imageDataContainer.setStyle({opacity:.0001});
this.numberDisplay.hide();
var imgPreloader=new Image();
imgPreloader.onload=(function(){
this.lightboxImage.src=this.imageArray[this.activeImage][0];
this.lightboxImage.width=imgPreloader.width;
this.lightboxImage.height=imgPreloader.height;
this.resizeImageContainer(imgPreloader.width,imgPreloader.height);
}).bind(this);
imgPreloader.src=this.imageArray[this.activeImage][0];
},
resizeImageContainer:function(imgWidth,imgHeight){
var widthCurrent=this.outerImageContainer.getWidth();
var heightCurrent=this.outerImageContainer.getHeight();
var widthNew=(imgWidth+LightboxOptions.borderSize*2);
var heightNew=(imgHeight+LightboxOptions.borderSize*2);
var xScale=(widthNew/widthCurrent)*100;
var yScale=(heightNew/heightCurrent)*100;
var wDiff=widthCurrent-widthNew;
var hDiff=heightCurrent-heightNew;
if(hDiff!=0)new Effect.Scale(this.outerImageContainer,yScale,{scaleX:false,duration:this.resizeDuration,queue:'front'});
if(wDiff!=0)new Effect.Scale(this.outerImageContainer,xScale,{scaleY:false,duration:this.resizeDuration,delay:this.resizeDuration});
var timeout=0;
if((hDiff==0)&&(wDiff==0)){
timeout=100;
if(Prototype.Browser.IE)timeout=250;
}
(function(){
this.prevLink.setStyle({height:imgHeight+'px'});
this.nextLink.setStyle({height:imgHeight+'px'});
this.imageDataContainer.setStyle({width:widthNew+'px'});
this.showImage();
}).bind(this).delay(timeout/1000);
},
showImage:function(){
this.loading.hide();
new Effect.Appear(this.lightboxImage,{
duration:this.resizeDuration,
queue:'end',
afterFinish:(function(){this.updateDetails();}).bind(this)
});
this.preloadNeighborImages();
},
updateDetails:function(){
this.caption.update(this.imageArray[this.activeImage][1]).show();
if(this.imageArray.length>1){
this.numberDisplay.update(LightboxOptions.labelImage+' '+(this.activeImage+1)+' '+LightboxOptions.labelOf+'  '+this.imageArray.length).show();
}
new Effect.Parallel(
[
new Effect.SlideDown(this.imageDataContainer,{sync:true,duration:this.resizeDuration,from:0.0,to:1.0}),
new Effect.Appear(this.imageDataContainer,{sync:true,duration:this.resizeDuration})
],
{
duration:this.resizeDuration,
afterFinish:(function(){
var arrayPageSize=this.getPageSize();
this.overlay.setStyle({width:arrayPageSize[0]+'px',height:arrayPageSize[1]+'px'});
this.updateNav();
}).bind(this)
}
);
},
updateNav:function(){
this.hoverNav.show();
if(this.activeImage>0)this.prevLink.show();
if(this.activeImage<(this.imageArray.length-1))this.nextLink.show();
this.enableKeyboardNav();
},
enableKeyboardNav:function(){
document.observe('keydown',this.keyboardAction);
},
disableKeyboardNav:function(){
document.stopObserving('keydown',this.keyboardAction);
},
keyboardAction:function(event){
var keycode=event.keyCode;
var escapeKey;
if(event.DOM_VK_ESCAPE){
escapeKey=event.DOM_VK_ESCAPE;
}else{
escapeKey=27;
}
var key=String.fromCharCode(keycode).toLowerCase();
if(key.match(/x|o|c/)||(keycode==escapeKey)){
this.end();
}else if((key=='p')||(keycode==37)){
if(this.activeImage!=0){
this.disableKeyboardNav();
this.changeImage(this.activeImage-1);
}
}else if((key=='n')||(keycode==39)){
if(this.activeImage!=(this.imageArray.length-1)){
this.disableKeyboardNav();
this.changeImage(this.activeImage+1);
}
}
},
preloadNeighborImages:function(){
var preloadNextImage,preloadPrevImage;
if(this.imageArray.length>this.activeImage+1){
preloadNextImage=new Image();
preloadNextImage.src=this.imageArray[this.activeImage+1][0];
}
if(this.activeImage>0){
preloadPrevImage=new Image();
preloadPrevImage.src=this.imageArray[this.activeImage-1][0];
}
},
end:function(){
this.disableKeyboardNav();
this.lightbox.hide();
new Effect.Fade(this.overlay,{duration:this.overlayDuration});
$$('select','object','embed').each(function(node){node.style.visibility='visible'});
},
getPageSize:function(){
var xScroll,yScroll;
if(window.innerHeight&&window.scrollMaxY){
xScroll=window.innerWidth+window.scrollMaxX;
yScroll=window.innerHeight+window.scrollMaxY;
}else if(document.body.scrollHeight>document.body.offsetHeight){
xScroll=document.body.scrollWidth;
yScroll=document.body.scrollHeight;
}else{
xScroll=document.body.offsetWidth;
yScroll=document.body.offsetHeight;
}
var windowWidth,windowHeight;
if(self.innerHeight){
if(document.documentElement.clientWidth){
windowWidth=document.documentElement.clientWidth;
}else{
windowWidth=self.innerWidth;
}
windowHeight=self.innerHeight;
}else if(document.documentElement&&document.documentElement.clientHeight){
windowWidth=document.documentElement.clientWidth;
windowHeight=document.documentElement.clientHeight;
}else if(document.body){
windowWidth=document.body.clientWidth;
windowHeight=document.body.clientHeight;
}
if(yScroll<windowHeight){
pageHeight=windowHeight;
}else{
pageHeight=yScroll;
}
if(xScroll<windowWidth){
pageWidth=xScroll;
}else{
pageWidth=windowWidth;
}
return[pageWidth,pageHeight];
}
}
document.observe('dom:loaded',function(){new Lightbox();});

var _gaq=_gaq||[];
_gaq.push(['_setAccount','UA-25065500-1']);
_gaq.push(['_trackPageview']);
(function(){
var ga=document.createElement('script');ga.type='text/javascript';ga.async=true;
ga.src=('https:'==document.location.protocol?'https://ssl':'http://www')+'.google-analytics.com/ga.js';
var s=document.getElementsByTagName('script')[0];s.parentNode.insertBefore(ga,s);
})();