var Prototype={
Version:'1.6.0.3',
Browser:{
IE:     !!(window.attachEvent &&
navigator.userAgent.indexOf('Opera')===-1),
Opera:  navigator.userAgent.indexOf('Opera')> -1,
WebKit: navigator.userAgent.indexOf('AppleWebKit/')> -1,
Gecko:  navigator.userAgent.indexOf('Gecko')> -1 &&
navigator.userAgent.indexOf('KHTML')===-1,
MobileSafari: !!navigator.userAgent.match(/Apple.*Mobile.*Safari/)
},
BrowserFeatures:{
XPath: !!document.evaluate,
SelectorsAPI: !!document.querySelector,
ElementExtensions: !!window.HTMLElement,
SpecificElementExtensions:
document.createElement('div')['__proto__'] &&
document.createElement('div')['__proto__'] !==
document.createElement('form')['__proto__']
},
ScriptFragment:'<script[^>]*>([\\S\\s]*?)<\/script>',
JSONFilter: /^\/\*-secure-([\s\S]*)\*\/\s*$/,
emptyFunction: function(){},
K: function(x){return x}};
if (Prototype.Browser.MobileSafari)
Prototype.BrowserFeatures.SpecificElementExtensions=false;
var Class={
create: function(){
var parent=null, properties=$A(arguments);
if (Object.isFunction(properties[0]))
parent=properties.shift();
function klass(){
this.initialize.apply(this, arguments);
}
Object.extend(klass, Class.Methods);
klass.superclass=parent;
klass.subclasses=[];
if (parent){
var subclass=function(){};
subclass.prototype=parent.prototype;
klass.prototype=new subclass;
parent.subclasses.push(klass);
}
for (var i=0;i < properties.length;i++)
klass.addMethods(properties[i]);
if (!klass.prototype.initialize)
klass.prototype.initialize=Prototype.emptyFunction;
klass.prototype.constructor=klass;
return klass;
}};
Class.Methods={
addMethods: function(source){
var ancestor=this.superclass && this.superclass.prototype;
var properties=Object.keys(source);
if (!Object.keys({toString: true}).length)
properties.push("toString", "valueOf");
for (var i=0, length=properties.length;i < length;i++){
var property=properties[i], value=source[property];
if (ancestor && Object.isFunction(value)&&
value.argumentNames().first()=="$super"){
var method=value;
value=(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;
}};
var Abstract={};
Object.extend=function(destination, source){
for (var property in source)
destination[property]=source[property];
return destination;
};
Object.extend(Object,{
inspect: function(object){
try{
if (Object.isUndefined(object))return 'undefined';
if (object===null)return 'null';
return object.inspect ? object.inspect(): String(object);
}catch (e){
if (e instanceof RangeError)return '...';
throw e;
}},
toJSON: function(object){
var type=typeof object;
switch (type){
case 'undefined':
case 'function':
case 'unknown': return;
case 'boolean': return object.toString();
}
if (object===null)return 'null';
if (object.toJSON)return object.toJSON();
if (Object.isElement(object))return;
var results=[];
for (var property in object){
var value=Object.toJSON(object[property]);
if (!Object.isUndefined(value))
results.push(property.toJSON()+':'+value);
}
return '{'+results.join(', ')+'}';
},
toQueryString: function(object){
return $H(object).toQueryString();
},
toHTML: function(object){
return object && object.toHTML ? object.toHTML(): String.interpret(object);
},
keys: function(object){
var keys=[];
for (var property in object)
keys.push(property);
return keys;
},
values: function(object){
var values=[];
for (var property in object)
values.push(object[property]);
return values;
},
clone: function(object){
return Object.extend({}, object);
},
isElement: function(object){
return !!(object && object.nodeType==1);
},
isArray: function(object){
return object !=null && typeof object=="object" &&
'splice' in object && 'join' in object;
},
isHash: function(object){
return object instanceof Hash;
},
isFunction: function(object){
return typeof object=="function";
},
isString: function(object){
return typeof object=="string";
},
isNumber: function(object){
return typeof object=="number";
},
isUndefined: function(object){
return typeof object=="undefined";
}});
Object.extend(Function.prototype,{
argumentNames: function(){
var names=this.toString().match(/^[\s\(]*function[^(]*\(([^\)]*)\)/)[1]
.replace(/\s+/g, '').split(',');
return names.length==1 && !names[0] ? [] : names;
},
bind: function(){
if (arguments.length < 2 && Object.isUndefined(arguments[0]))return this;
var __method=this, args=$A(arguments), object=args.shift();
return function(){
return __method.apply(object, args.concat($A(arguments)));
}},
bindAsEventListener: function(){
var __method=this, args=$A(arguments), object=args.shift();
return function(event){
return __method.apply(object, [event||window.event].concat(args));
}},
curry: function(){
if (!arguments.length)return this;
var __method=this, args=$A(arguments);
return function(){
return __method.apply(this, args.concat($A(arguments)));
}},
delay: function(){
var __method=this, args=$A(arguments), timeout=args.shift()* 1000;
return window.setTimeout(function(){
return __method.apply(__method, args);
}, timeout);
},
defer: function(){
var args=[0.01].concat($A(arguments));
return this.delay.apply(this, args);
},
wrap: function(wrapper){
var __method=this;
return function(){
return wrapper.apply(this, [__method.bind(this)].concat($A(arguments)));
}},
methodize: function(){
if (this._methodized)return this._methodized;
var __method=this;
return this._methodized=function(){
return __method.apply(null, [this].concat($A(arguments)));
};
}});
Date.prototype.toJSON=function(){
return '"'+this.getUTCFullYear()+'-'+
(this.getUTCMonth()+1).toPaddedString(2)+'-'+
this.getUTCDate().toPaddedString(2)+'T'+
this.getUTCHours().toPaddedString(2)+':'+
this.getUTCMinutes().toPaddedString(2)+':'+
this.getUTCSeconds().toPaddedString(2)+'Z"';
};
var Try={
these: function(){
var returnValue;
for (var i=0, length=arguments.length;i < length;i++){
var lambda=arguments[i];
try{
returnValue=lambda();
break;
}catch (e){}}
return returnValue;
}};
RegExp.prototype.match=RegExp.prototype.test;
RegExp.escape=function(str){
return String(str).replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1');
};
/*--------------------------------------------------------------------------*/
var PeriodicalExecuter=Class.create({
initialize: function(callback, frequency){
this.callback=callback;
this.frequency=frequency;
this.currentlyExecuting=false;
this.registerCallback();
},
registerCallback: function(){
this.timer=setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
},
execute: function(){
this.callback(this);
},
stop: function(){
if (!this.timer)return;
clearInterval(this.timer);
this.timer=null;
},
onTimerEvent: function(){
if (!this.currentlyExecuting){
try{
this.currentlyExecuting=true;
this.execute();
}finally{
this.currentlyExecuting=false;
}}}});
Object.extend(String,{
interpret: function(value){
return value==null ? '' : String(value);
},
specialChar:{
'\b':'\\b',
'\t':'\\t',
'\n':'\\n',
'\f':'\\f',
'\r':'\\r',
'\\':'\\\\'
}});
Object.extend(String.prototype,{
gsub: function(pattern, replacement){
var result='', source=this, match;
replacement=arguments.callee.prepareReplacement(replacement);
while (source.length > 0){
if (match=source.match(pattern)){
result+=source.slice(0, match.index);
result+=String.interpret(replacement(match));
source=source.slice(match.index+match[0].length);
}else{
result+=source, source='';
}}
return result;
},
sub: function(pattern, replacement, count){
replacement=this.gsub.prepareReplacement(replacement);
count=Object.isUndefined(count)? 1 : count;
return this.gsub(pattern, function(match){
if (--count < 0)return match[0];
return replacement(match);
});
},
scan: function(pattern, iterator){
this.gsub(pattern, iterator);
return String(this);
},
truncate: function(length, truncation){
length=length||30;
truncation=Object.isUndefined(truncation)? '...' : truncation;
return this.length > length ?
this.slice(0, length - truncation.length)+truncation : String(this);
},
strip: function(){
return this.replace(/^\s+/, '').replace(/\s+$/, '');
},
stripTags: function(){
return this.replace(/<\/?[^>]+>/gi, '');
},
stripScripts: function(){
return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), '');
},
extractScripts: function(){
var matchAll=new RegExp(Prototype.ScriptFragment, 'img');
var matchOne=new RegExp(Prototype.ScriptFragment, 'im');
return (this.match(matchAll)|| []).map(function(scriptTag){
return (scriptTag.match(matchOne)|| ['', ''])[1];
});
},
evalScripts: function(){
return this.extractScripts().map(function(script){return eval(script)});
},
escapeHTML: function(){
var self=arguments.callee;
self.text.data=this;
return self.div.innerHTML;
},
unescapeHTML: function(){
var div=new Element('div');
div.innerHTML=this.stripTags();
return div.childNodes[0] ? (div.childNodes.length > 1 ?
$A(div.childNodes).inject('', function(memo, node){return memo+node.nodeValue}):
div.childNodes[0].nodeValue):'';
},
toQueryParams: function(separator){
var match=this.strip().match(/([^?#]*)(#.*)?$/);
if (!match)return{};
return match[1].split(separator||'&').inject({}, function(hash, pair){
if ((pair=pair.split('='))[0]){
var key=decodeURIComponent(pair.shift());
var value=pair.length > 1 ? pair.join('='): pair[0];
if (value !=undefined)value=decodeURIComponent(value);
if (key in hash){
if (!Object.isArray(hash[key]))hash[key]=[hash[key]];
hash[key].push(value);
}
else hash[key]=value;
}
return hash;
});
},
toArray: function(){
return this.split('');
},
succ: function(){
return this.slice(0, this.length - 1)+
String.fromCharCode(this.charCodeAt(this.length - 1)+1);
},
times: function(count){
return count < 1 ? '' : new Array(count+1).join(this);
},
camelize: function(){
var parts=this.split('-'), len=parts.length;
if (len==1)return parts[0];
var camelized=this.charAt(0)=='-'
? parts[0].charAt(0).toUpperCase()+parts[0].substring(1)
: parts[0];
for (var i=1;i < len;i++)
camelized+=parts[i].charAt(0).toUpperCase()+parts[i].substring(1);
return camelized;
},
capitalize: function(){
return this.charAt(0).toUpperCase()+this.substring(1).toLowerCase();
},
underscore: function(){
return this.gsub(/::/, '/').gsub(/([A-Z]+)([A-Z][a-z])/,'#{1}_#{2}').gsub(/([a-z\d])([A-Z])/,'#{1}_#{2}').gsub(/-/,'_').toLowerCase();
},
dasherize: function(){
return this.gsub(/_/,'-');
},
inspect: function(useDoubleQuotes){
var escapedString=this.gsub(/[\x00-\x1f\\]/, function(match){
var character=String.specialChar[match[0]];
return character ? character :'\\u00'+match[0].charCodeAt().toPaddedString(2, 16);
});
if (useDoubleQuotes)return '"'+escapedString.replace(/"/g, '\\"')+'"';
return "'"+escapedString.replace(/'/g, '\\\'')+"'";
},
toJSON: function(){
return this.inspect(true);
},
unfilterJSON: function(filter){
return this.sub(filter||Prototype.JSONFilter, '#{1}');
},
isJSON: function(){
var str=this;
if (str.blank())return false;
str=this.replace(/\\./g, '@').replace(/"[^"\\\n\r]*"/g, '');
return (/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test(str);
},
evalJSON: function(sanitize){
var json=this.unfilterJSON();
try{
if (!sanitize||json.isJSON())return eval('('+json+')');
}catch (e){}
throw new SyntaxError('Badly formed JSON string:'+this.inspect());
},
include: function(pattern){
return this.indexOf(pattern)> -1;
},
startsWith: function(pattern){
return this.indexOf(pattern)===0;
},
endsWith: function(pattern){
var d=this.length - pattern.length;
return d >=0 && this.lastIndexOf(pattern)===d;
},
empty: function(){
return this=='';
},
blank: function(){
return /^\s*$/.test(this);
},
interpolate: function(object, pattern){
return new Template(this, pattern).evaluate(object);
}});
if (Prototype.Browser.WebKit||Prototype.Browser.IE)Object.extend(String.prototype,{
escapeHTML: function(){
return this.replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;');
},
unescapeHTML: function(){
return this.stripTags().replace(/&amp;/g,'&').replace(/&lt;/g,'<').replace(/&gt;/g,'>');
}});
String.prototype.gsub.prepareReplacement=function(replacement){
if (Object.isFunction(replacement))return replacement;
var template=new Template(replacement);
return function(match){return template.evaluate(match)};
};
String.prototype.parseQuery=String.prototype.toQueryParams;
Object.extend(String.prototype.escapeHTML,{
div:  document.createElement('div'),
text: document.createTextNode('')
});
String.prototype.escapeHTML.div.appendChild(String.prototype.escapeHTML.text);
var Template=Class.create({
initialize: function(template, pattern){
this.template=template.toString();
this.pattern=pattern||Template.Pattern;
},
evaluate: function(object){
if (Object.isFunction(object.toTemplateReplacements))
object=object.toTemplateReplacements();
return this.template.gsub(this.pattern, function(match){
if (object==null)return '';
var before=match[1]||'';
if (before=='\\')return match[2];
var ctx=object, expr=match[3];
var pattern=/^([^.[]+|\[((?:.*?[^\\])?)\])(\.|\[|$)/;
match=pattern.exec(expr);
if (match==null)return before;
while (match !=null){
var comp=match[1].startsWith('[')? match[2].gsub('\\\\]', ']'): match[1];
ctx=ctx[comp];
if (null==ctx||''==match[3])break;
expr=expr.substring('['==match[3] ? match[1].length : match[0].length);
match=pattern.exec(expr);
}
return before+String.interpret(ctx);
});
}});
Template.Pattern=/(^|.|\r|\n)(#\{(.*?)\})/;
var $break={};
var Enumerable={
each: function(iterator, context){
var index=0;
try{
this._each(function(value){
iterator.call(context, value, index++);
});
}catch (e){
if (e !=$break)throw e;
}
return this;
},
eachSlice: function(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);
},
all: function(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;
},
any: function(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;
},
collect: function(iterator, context){
iterator=iterator||Prototype.K;
var results=[];
this.each(function(value, index){
results.push(iterator.call(context, value, index));
});
return results;
},
detect: function(iterator, context){
var result;
this.each(function(value, index){
if (iterator.call(context, value, index)){
result=value;
throw $break;
}});
return result;
},
findAll: function(iterator, context){
var results=[];
this.each(function(value, index){
if (iterator.call(context, value, index))
results.push(value);
});
return results;
},
grep: function(filter, iterator, context){
iterator=iterator||Prototype.K;
var results=[];
if (Object.isString(filter))
filter=new RegExp(filter);
this.each(function(value, index){
if (filter.match(value))
results.push(iterator.call(context, value, index));
});
return results;
},
include: function(object){
if (Object.isFunction(this.indexOf))
if (this.indexOf(object)!=-1)return true;
var found=false;
this.each(function(value){
if (value==object){
found=true;
throw $break;
}});
return found;
},
inGroupsOf: function(number, fillWith){
fillWith=Object.isUndefined(fillWith)? null : fillWith;
return this.eachSlice(number, function(slice){
while(slice.length < number)slice.push(fillWith);
return slice;
});
},
inject: function(memo, iterator, context){
this.each(function(value, index){
memo=iterator.call(context, memo, value, index);
});
return memo;
},
invoke: function(method){
var args=$A(arguments).slice(1);
return this.map(function(value){
return value[method].apply(value, args);
});
},
max: function(iterator, context){
iterator=iterator||Prototype.K;
var result;
this.each(function(value, index){
value=iterator.call(context, value, index);
if (result==null||value >=result)
result=value;
});
return result;
},
min: function(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;
},
partition: function(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];
},
pluck: function(property){
var results=[];
this.each(function(value){
results.push(value[property]);
});
return results;
},
reject: function(iterator, context){
var results=[];
this.each(function(value, index){
if (!iterator.call(context, value, index))
results.push(value);
});
return results;
},
sortBy: function(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');
},
toArray: function(){
return this.map();
},
zip: function(){
var iterator=Prototype.K, args=$A(arguments);
if (Object.isFunction(args.last()))
iterator=args.pop();
var collections=[this].concat(args).map($A);
return this.map(function(value, index){
return iterator(collections.pluck(index));
});
},
size: function(){
return this.toArray().length;
},
inspect: function(){
return '#<Enumerable:'+this.toArray().inspect()+'>';
}};
Object.extend(Enumerable,{
map:     Enumerable.collect,
find:    Enumerable.detect,
select:  Enumerable.findAll,
filter:  Enumerable.findAll,
member:  Enumerable.include,
entries: Enumerable.toArray,
every:   Enumerable.all,
some:    Enumerable.any
});
function $A(iterable){
if (!iterable)return [];
if (iterable.toArray)return iterable.toArray();
var length=iterable.length||0, results=new Array(length);
while (length--)results[length]=iterable[length];
return results;
}
if (Prototype.Browser.WebKit){
$A=function(iterable){
if (!iterable)return [];
if (!(typeof iterable==='function' && typeof iterable.length===
'number' && typeof iterable.item==='function')&& iterable.toArray)
return iterable.toArray();
var length=iterable.length||0, results=new Array(length);
while (length--)results[length]=iterable[length];
return results;
};
}
Array.from=$A;
Object.extend(Array.prototype, Enumerable);
if (!Array.prototype._reverse)Array.prototype._reverse=Array.prototype.reverse;
Object.extend(Array.prototype,{
_each: function(iterator){
for (var i=0, length=this.length;i < length;i++)
iterator(this[i]);
},
clear: function(){
this.length=0;
return this;
},
first: function(){
return this[0];
},
last: function(){
return this[this.length - 1];
},
compact: function(){
return this.select(function(value){
return value !=null;
});
},
flatten: function(){
return this.inject([], function(array, value){
return array.concat(Object.isArray(value)?
value.flatten(): [value]);
});
},
without: function(){
var values=$A(arguments);
return this.select(function(value){
return !values.include(value);
});
},
reverse: function(inline){
return (inline !==false ? this : this.toArray())._reverse();
},
reduce: function(){
return this.length > 1 ? this : this[0];
},
uniq: function(sorted){
return this.inject([], function(array, value, index){
if (0==index||(sorted ? array.last()!=value : !array.include(value)))
array.push(value);
return array;
});
},
intersect: function(array){
return this.uniq().findAll(function(item){
return array.detect(function(value){return item===value});
});
},
clone: function(){
return [].concat(this);
},
size: function(){
return this.length;
},
inspect: function(){
return '['+this.map(Object.inspect).join(', ')+']';
},
toJSON: function(){
var results=[];
this.each(function(object){
var value=Object.toJSON(object);
if (!Object.isUndefined(value))results.push(value);
});
return '['+results.join(', ')+']';
}});
if (Object.isFunction(Array.prototype.forEach))
Array.prototype._each=Array.prototype.forEach;
if (!Array.prototype.indexOf)Array.prototype.indexOf=function(item, i){
i||(i=0);
var length=this.length;
if (i < 0)i=length+i;
for (;i < length;i++)
if (this[i]===item)return i;
return -1;
};
if (!Array.prototype.lastIndexOf)Array.prototype.lastIndexOf=function(item, i){
i=isNaN(i)? this.length : (i < 0 ? this.length+i : i)+1;
var n=this.slice(0, i).reverse().indexOf(item);
return (n < 0)? n : i - n - 1;
};
Array.prototype.toArray=Array.prototype.clone;
function $w(string){
if (!Object.isString(string))return [];
string=string.strip();
return string ? string.split(/\s+/): [];
}
if (Prototype.Browser.Opera){
Array.prototype.concat=function(){
var array=[];
for (var i=0, length=this.length;i < length;i++)array.push(this[i]);
for (var i=0, length=arguments.length;i < length;i++){
if (Object.isArray(arguments[i])){
for (var j=0, arrayLength=arguments[i].length;j < arrayLength;j++)
array.push(arguments[i][j]);
}else{
array.push(arguments[i]);
}}
return array;
};
}
Object.extend(Number.prototype,{
toColorPart: function(){
return this.toPaddedString(2, 16);
},
succ: function(){
return this+1;
},
times: function(iterator, context){
$R(0, this, true).each(iterator, context);
return this;
},
toPaddedString: function(length, radix){
var string=this.toString(radix||10);
return '0'.times(length - string.length)+string;
},
toJSON: function(){
return isFinite(this)? this.toString():'null';
}});
$w('abs round ceil floor').each(function(method){
Number.prototype[method]=Math[method].methodize();
});
function $H(object){
return new Hash(object);
};
var Hash=Class.create(Enumerable, (function(){
function toQueryPair(key, value){
if (Object.isUndefined(value))return key;
return key+'='+encodeURIComponent(String.interpret(value));
}
return{
initialize: function(object){
this._object=Object.isHash(object)? object.toObject(): Object.clone(object);
},
_each: function(iterator){
for (var key in this._object){
var value=this._object[key], pair=[key, value];
pair.key=key;
pair.value=value;
iterator(pair);
}},
set: function(key, value){
return this._object[key]=value;
},
get: function(key){
if (this._object[key] !==Object.prototype[key])
return this._object[key];
},
unset: function(key){
var value=this._object[key];
delete this._object[key];
return value;
},
toObject: function(){
return Object.clone(this._object);
},
keys: function(){
return this.pluck('key');
},
values: function(){
return this.pluck('value');
},
index: function(value){
var match=this.detect(function(pair){
return pair.value===value;
});
return match && match.key;
},
merge: function(object){
return this.clone().update(object);
},
update: function(object){
return new Hash(object).inject(this, function(result, pair){
result.set(pair.key, pair.value);
return result;
});
},
toQueryString: function(){
return this.inject([], function(results, pair){
var key=encodeURIComponent(pair.key), values=pair.value;
if (values && typeof values=='object'){
if (Object.isArray(values))
return results.concat(values.map(toQueryPair.curry(key)));
}else results.push(toQueryPair(key, values));
return results;
}).join('&');
},
inspect: function(){
return '#<Hash:{'+this.map(function(pair){
return pair.map(Object.inspect).join(':');
}).join(', ')+'}>';
},
toJSON: function(){
return Object.toJSON(this.toObject());
},
clone: function(){
return new Hash(this);
}}})());
Hash.prototype.toTemplateReplacements=Hash.prototype.toObject;
Hash.from=$H;
var ObjectRange=Class.create(Enumerable,{
initialize: function(start, end, exclusive){
this.start=start;
this.end=end;
this.exclusive=exclusive;
},
_each: function(iterator){
var value=this.start;
while (this.include(value)){
iterator(value);
value=value.succ();
}},
include: function(value){
if (value < this.start)
return false;
if (this.exclusive)
return value < this.end;
return value <=this.end;
}});
var $R=function(start, end, exclusive){
return new ObjectRange(start, end, exclusive);
};
var Ajax={
getTransport: function(){
return Try.these(
function(){return new XMLHttpRequest()},
function(){return new ActiveXObject('Msxml2.XMLHTTP')},
function(){return new ActiveXObject('Microsoft.XMLHTTP')}
)|| false;
},
activeRequestCount: 0
};
Ajax.Responders={
responders: [],
_each: function(iterator){
this.responders._each(iterator);
},
register: function(responder){
if (!this.include(responder))
this.responders.push(responder);
},
unregister: function(responder){
this.responders=this.responders.without(responder);
},
dispatch: function(callback, request, transport, json){
this.each(function(responder){
if (Object.isFunction(responder[callback])){
try{
responder[callback].apply(responder, [request, transport, json]);
}catch (e){}}});
}};
Object.extend(Ajax.Responders, Enumerable);
Ajax.Responders.register({
onCreate:   function(){Ajax.activeRequestCount++},
onComplete: function(){Ajax.activeRequestCount--}});
Ajax.Base=Class.create({
initialize: function(options){
this.options={
method:       'post',
asynchronous: true,
contentType:  'application/x-www-form-urlencoded',
encoding:     'UTF-8',
parameters:   '',
evalJSON:     true,
evalJS:       true
};
Object.extend(this.options, options ||{});
this.options.method=this.options.method.toLowerCase();
if (Object.isString(this.options.parameters))
this.options.parameters=this.options.parameters.toQueryParams();
else if (Object.isHash(this.options.parameters))
this.options.parameters=this.options.parameters.toObject();
}});
Ajax.Request=Class.create(Ajax.Base,{
_complete: false,
initialize: function($super, url, options){
$super(options);
this.transport=Ajax.getTransport();
this.request(url);
},
request: function(url){
this.url=url;
this.method=this.options.method;
var params=Object.clone(this.options.parameters);
if (!['get', 'post'].include(this.method)){
params['_method']=this.method;
this.method='post';
}
this.parameters=params;
if (params=Object.toQueryString(params)){
if (this.method=='get')
this.url+=(this.url.include('?')? '&' :'?')+params;
else if (/Konqueror|Safari|KHTML/.test(navigator.userAgent))
params+='&_=';
}
try{
var response=new Ajax.Response(this);
if (this.options.onCreate)this.options.onCreate(response);
Ajax.Responders.dispatch('onCreate', this, response);
this.transport.open(this.method.toUpperCase(), this.url,
this.options.asynchronous);
if (this.options.asynchronous)this.respondToReadyState.bind(this).defer(1);
this.transport.onreadystatechange=this.onStateChange.bind(this);
this.setRequestHeaders();
this.body=this.method=='post' ? (this.options.postBody||params): null;
this.transport.send(this.body);
if (!this.options.asynchronous && this.transport.overrideMimeType)
this.onStateChange();
}
catch (e){
this.dispatchException(e);
}},
onStateChange: function(){
var readyState=this.transport.readyState;
if (readyState > 1 && !((readyState==4)&& this._complete))
this.respondToReadyState(this.transport.readyState);
},
setRequestHeaders: function(){
var headers={
'X-Requested-With':'XMLHttpRequest',
'X-Prototype-Version': Prototype.Version,
'Accept':'text/javascript, text/html, application/xml, text/xml, */*'
};
if (this.method=='post'){
headers['Content-type']=this.options.contentType+
(this.options.encoding ? ';charset='+this.options.encoding :'');
if (this.transport.overrideMimeType &&
(navigator.userAgent.match(/Gecko\/(\d{4})/)|| [0,2005])[1] < 2005)
headers['Connection']='close';
}
if (typeof this.options.requestHeaders=='object'){
var extras=this.options.requestHeaders;
if (Object.isFunction(extras.push))
for (var i=0, length=extras.length;i < length;i+=2)
headers[extras[i]]=extras[i+1];
else
$H(extras).each(function(pair){headers[pair.key]=pair.value});
}
for (var name in headers)
this.transport.setRequestHeader(name, headers[name]);
},
success: function(){
var status=this.getStatus();
return !status||(status >=200 && status < 300);
},
getStatus: function(){
try{
return this.transport.status||0;
}catch (e){return 0}},
respondToReadyState: function(readyState){
var state=Ajax.Request.Events[readyState], response=new Ajax.Response(this);
if (state=='Complete'){
try{
this._complete=true;
(this.options['on'+response.status]
|| this.options['on'+(this.success()? 'Success' :'Failure')]
|| Prototype.emptyFunction)(response, response.headerJSON);
}catch (e){
this.dispatchException(e);
}
var contentType=response.getHeader('Content-type');
if (this.options.evalJS=='force'
|| (this.options.evalJS && this.isSameOrigin()&& contentType
&& contentType.match(/^\s*(text|application)\/(x-)?(java|ecma)script(;.*)?\s*$/i)))
this.evalResponse();
}
try{
(this.options['on'+state]||Prototype.emptyFunction)(response, response.headerJSON);
Ajax.Responders.dispatch('on'+state, this, response, response.headerJSON);
}catch (e){
this.dispatchException(e);
}
if (state=='Complete'){
this.transport.onreadystatechange=Prototype.emptyFunction;
}},
isSameOrigin: function(){
var m=this.url.match(/^\s*https?:\/\/[^\/]*/);
return !m||(m[0]=='#{protocol}//#{domain}#{port}'.interpolate({
protocol: location.protocol,
domain: document.domain,
port: location.port ? ':'+location.port :''
}));
},
getHeader: function(name){
try{
return this.transport.getResponseHeader(name)|| null;
}catch (e){return null}},
evalResponse: function(){
try{
return eval((this.transport.responseText||'').unfilterJSON());
}catch (e){
this.dispatchException(e);
}},
dispatchException: function(exception){
(this.options.onException||Prototype.emptyFunction)(this, exception);
Ajax.Responders.dispatch('onException', this, exception);
}});
Ajax.Request.Events=
['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];
Ajax.Response=Class.create({
initialize: function(request){
this.request=request;
var transport=this.transport=request.transport,
readyState=this.readyState=transport.readyState;
if((readyState > 2 && !Prototype.Browser.IE)|| readyState==4){
this.status=this.getStatus();
this.statusText=this.getStatusText();
this.responseText=String.interpret(transport.responseText);
this.headerJSON=this._getHeaderJSON();
}
if(readyState==4){
var xml=transport.responseXML;
this.responseXML=Object.isUndefined(xml)? null : xml;
this.responseJSON=this._getResponseJSON();
}},
status:      0,
statusText:'',
getStatus: Ajax.Request.prototype.getStatus,
getStatusText: function(){
try{
return this.transport.statusText||'';
}catch (e){return ''}},
getHeader: Ajax.Request.prototype.getHeader,
getAllHeaders: function(){
try{
return this.getAllResponseHeaders();
}catch (e){return null}},
getResponseHeader: function(name){
return this.transport.getResponseHeader(name);
},
getAllResponseHeaders: function(){
return this.transport.getAllResponseHeaders();
},
_getHeaderJSON: function(){
var json=this.getHeader('X-JSON');
if (!json)return null;
json=decodeURIComponent(escape(json));
try{
return json.evalJSON(this.request.options.sanitizeJSON ||
!this.request.isSameOrigin());
}catch (e){
this.request.dispatchException(e);
}},
_getResponseJSON: function(){
var options=this.request.options;
if (!options.evalJSON||(options.evalJSON !='force' &&
!(this.getHeader('Content-type')|| '').include('application/json'))||
this.responseText.blank())
return null;
try{
return this.responseText.evalJSON(options.sanitizeJSON ||
!this.request.isSameOrigin());
}catch (e){
this.request.dispatchException(e);
}}});
Ajax.Updater=Class.create(Ajax.Request,{
initialize: function($super, container, url, options){
this.container={
success: (container.success||container),
failure: (container.failure||(container.success ? null : container))
};
options=Object.clone(options);
var onComplete=options.onComplete;
options.onComplete=(function(response, json){
this.updateContent(response.responseText);
if (Object.isFunction(onComplete))onComplete(response, json);
}).bind(this);
$super(url, options);
},
updateContent: function(responseText){
var receiver=this.container[this.success()? 'success' :'failure'],
options=this.options;
if (!options.evalScripts)responseText=responseText.stripScripts();
if (receiver=$(receiver)){
if (options.insertion){
if (Object.isString(options.insertion)){
var insertion={};insertion[options.insertion]=responseText;
receiver.insert(insertion);
}
else options.insertion(receiver, responseText);
}
else receiver.update(responseText);
}}});
Ajax.PeriodicalUpdater=Class.create(Ajax.Base,{
initialize: function($super, container, url, options){
$super(options);
this.onComplete=this.options.onComplete;
this.frequency=(this.options.frequency||2);
this.decay=(this.options.decay||1);
this.updater={};
this.container=container;
this.url=url;
this.start();
},
start: function(){
this.options.onComplete=this.updateComplete.bind(this);
this.onTimerEvent();
},
stop: function(){
this.updater.options.onComplete=undefined;
clearTimeout(this.timer);
(this.onComplete||Prototype.emptyFunction).apply(this, arguments);
},
updateComplete: function(response){
if (this.options.decay){
this.decay=(response.responseText==this.lastText ?
this.decay * this.options.decay : 1);
this.lastText=response.responseText;
}
this.timer=this.onTimerEvent.bind(this).delay(this.decay * this.frequency);
},
onTimerEvent: function(){
this.updater=new Ajax.Updater(this.container, this.url, this.options);
}});
function $(element){
if (arguments.length > 1){
for (var i=0, elements=[], length=arguments.length;i < length;i++)
elements.push($(arguments[i]));
return elements;
}
if (Object.isString(element))
element=document.getElementById(element);
return Element.extend(element);
}
if (Prototype.BrowserFeatures.XPath){
document._getElementsByXPath=function(expression, parentElement){
var results=[];
var query=document.evaluate(expression, $(parentElement)|| document,
null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
for (var i=0, length=query.snapshotLength;i < length;i++)
results.push(Element.extend(query.snapshotItem(i)));
return results;
};
}
/*--------------------------------------------------------------------------*/
if (!window.Node)var Node={};
if (!Node.ELEMENT_NODE){
Object.extend(Node,{
ELEMENT_NODE: 1,
ATTRIBUTE_NODE: 2,
TEXT_NODE: 3,
CDATA_SECTION_NODE: 4,
ENTITY_REFERENCE_NODE: 5,
ENTITY_NODE: 6,
PROCESSING_INSTRUCTION_NODE: 7,
COMMENT_NODE: 8,
DOCUMENT_NODE: 9,
DOCUMENT_TYPE_NODE: 10,
DOCUMENT_FRAGMENT_NODE: 11,
NOTATION_NODE: 12
});
}
(function(){
var element=this.Element;
this.Element=function(tagName, attributes){
attributes=attributes ||{};
tagName=tagName.toLowerCase();
var cache=Element.cache;
if (Prototype.Browser.IE && attributes.name){
tagName='<'+tagName+' name="'+attributes.name+'">';
delete attributes.name;
return Element.writeAttribute(document.createElement(tagName), attributes);
}
if (!cache[tagName])cache[tagName]=Element.extend(document.createElement(tagName));
return Element.writeAttribute(cache[tagName].cloneNode(false), attributes);
};
Object.extend(this.Element, element ||{});
if (element)this.Element.prototype=element.prototype;
}).call(window);
Element.cache={};
Element.Methods={
visible: function(element){
return $(element).style.display !='none';
},
toggle: function(element){
element=$(element);
Element[Element.visible(element)? 'hide' :'show'](element);
return element;
},
hide: function(element){
element=$(element);
element.style.display='none';
return element;
},
show: function(element){
element=$(element);
element.style.display='';
return element;
},
remove: function(element){
element=$(element);
element.parentNode.removeChild(element);
return element;
},
update: function(element, content){
element=$(element);
if (content && content.toElement)content=content.toElement();
if (Object.isElement(content))return element.update().insert(content);
content=Object.toHTML(content);
element.innerHTML=content.stripScripts();
content.evalScripts.bind(content).defer();
return element;
},
replace: function(element, content){
element=$(element);
if (content && content.toElement)content=content.toElement();
else if (!Object.isElement(content)){
content=Object.toHTML(content);
var range=element.ownerDocument.createRange();
range.selectNode(element);
content.evalScripts.bind(content).defer();
content=range.createContextualFragment(content.stripScripts());
}
element.parentNode.replaceChild(content, element);
return element;
},
insert: function(element, insertions){
element=$(element);
if (Object.isString(insertions)|| Object.isNumber(insertions)||
Object.isElement(insertions)|| (insertions && (insertions.toElement||insertions.toHTML)))
insertions={bottom:insertions};
var content, insert, tagName, childNodes;
for (var position in insertions){
content=insertions[position];
position=position.toLowerCase();
insert=Element._insertionTranslations[position];
if (content && content.toElement)content=content.toElement();
if (Object.isElement(content)){
insert(element, content);
continue;
}
content=Object.toHTML(content);
tagName=((position=='before'||position=='after')
? element.parentNode : element).tagName.toUpperCase();
childNodes=Element._getContentFromAnonymousElement(tagName, content.stripScripts());
if (position=='top'||position=='after')childNodes.reverse();
childNodes.each(insert.curry(element));
content.evalScripts.bind(content).defer();
}
return element;
},
wrap: function(element, wrapper, attributes){
element=$(element);
if (Object.isElement(wrapper))
$(wrapper).writeAttribute(attributes ||{});
else if (Object.isString(wrapper))wrapper=new Element(wrapper, attributes);
else wrapper=new Element('div', wrapper);
if (element.parentNode)
element.parentNode.replaceChild(wrapper, element);
wrapper.appendChild(element);
return wrapper;
},
inspect: function(element){
element=$(element);
var result='<'+element.tagName.toLowerCase();
$H({'id':'id', 'className':'class'}).each(function(pair){
var property=pair.first(), attribute=pair.last();
var value=(element[property]||'').toString();
if (value)result+=' '+attribute+'='+value.inspect(true);
});
return result+'>';
},
recursivelyCollect: function(element, property){
element=$(element);
var elements=[];
while (element=element[property])
if (element.nodeType==1)
elements.push(Element.extend(element));
return elements;
},
ancestors: function(element){
return $(element).recursivelyCollect('parentNode');
},
descendants: function(element){
return $(element).select("*");
},
firstDescendant: function(element){
element=$(element).firstChild;
while (element && element.nodeType !=1)element=element.nextSibling;
return $(element);
},
immediateDescendants: function(element){
if (!(element=$(element).firstChild))return [];
while (element && element.nodeType !=1)element=element.nextSibling;
if (element)return [element].concat($(element).nextSiblings());
return [];
},
previousSiblings: function(element){
return $(element).recursivelyCollect('previousSibling');
},
nextSiblings: function(element){
return $(element).recursivelyCollect('nextSibling');
},
siblings: function(element){
element=$(element);
return element.previousSiblings().reverse().concat(element.nextSiblings());
},
match: function(element, selector){
if (Object.isString(selector))
selector=new Selector(selector);
return selector.match($(element));
},
up: function(element, expression, index){
element=$(element);
if (arguments.length==1)return $(element.parentNode);
var ancestors=element.ancestors();
return Object.isNumber(expression)? ancestors[expression] :
Selector.findElement(ancestors, expression, index);
},
down: function(element, expression, index){
element=$(element);
if (arguments.length==1)return element.firstDescendant();
return Object.isNumber(expression)? element.descendants()[expression] :
Element.select(element, expression)[index||0];
},
previous: function(element, expression, index){
element=$(element);
if (arguments.length==1)return $(Selector.handlers.previousElementSibling(element));
var previousSiblings=element.previousSiblings();
return Object.isNumber(expression)? previousSiblings[expression] :
Selector.findElement(previousSiblings, expression, index);
},
next: function(element, expression, index){
element=$(element);
if (arguments.length==1)return $(Selector.handlers.nextElementSibling(element));
var nextSiblings=element.nextSiblings();
return Object.isNumber(expression)? nextSiblings[expression] :
Selector.findElement(nextSiblings, expression, index);
},
select: function(){
var args=$A(arguments), element=$(args.shift());
return Selector.findChildElements(element, args);
},
adjacent: function(){
var args=$A(arguments), element=$(args.shift());
return Selector.findChildElements(element.parentNode, args).without(element);
},
identify: function(element){
element=$(element);
var id=element.readAttribute('id'), self=arguments.callee;
if (id)return id;
do{id='anonymous_element_'+self.counter++}while ($(id));
element.writeAttribute('id', id);
return id;
},
readAttribute: function(element, name){
element=$(element);
if (Prototype.Browser.IE){
var t=Element._attributeTranslations.read;
if (t.values[name])return t.values[name](element, name);
if (t.names[name])name=t.names[name];
if (name.include(':')){
return (!element.attributes||!element.attributes[name])? null :
element.attributes[name].value;
}}
return element.getAttribute(name);
},
writeAttribute: function(element, name, value){
element=$(element);
var attributes={}, t=Element._attributeTranslations.write;
if (typeof name=='object')attributes=name;
else attributes[name]=Object.isUndefined(value)? true : value;
for (var attr in attributes){
name=t.names[attr]||attr;
value=attributes[attr];
if (t.values[attr])name=t.values[attr](element, value);
if (value===false||value===null)
element.removeAttribute(name);
else if (value===true)
element.setAttribute(name, name);
else element.setAttribute(name, value);
}
return element;
},
getHeight: function(element){
return $(element).getDimensions().height;
},
getWidth: function(element){
return $(element).getDimensions().width;
},
classNames: function(element){
return new Element.ClassNames(element);
},
hasClassName: function(element, className){
if (!(element=$(element)))return;
var elementClassName=element.className;
return (elementClassName.length > 0 && (elementClassName==className ||
new RegExp("(^|\\s)"+className+"(\\s|$)").test(elementClassName)));
},
addClassName: function(element, className){
if (!(element=$(element)))return;
if (!element.hasClassName(className))
element.className+=(element.className ? ' ' :'')+className;
return element;
},
removeClassName: function(element, className){
if (!(element=$(element)))return;
element.className=element.className.replace(
new RegExp("(^|\\s+)"+className+"(\\s+|$)"), ' ').strip();
return element;
},
toggleClassName: function(element, className){
if (!(element=$(element)))return;
return element[element.hasClassName(className)?
'removeClassName' :'addClassName'](className);
},
cleanWhitespace: function(element){
element=$(element);
var node=element.firstChild;
while (node){
var nextNode=node.nextSibling;
if (node.nodeType==3 && !/\S/.test(node.nodeValue))
element.removeChild(node);
node=nextNode;
}
return element;
},
empty: function(element){
return $(element).innerHTML.blank();
},
descendantOf: function(element, ancestor){
element=$(element), ancestor=$(ancestor);
if (element.compareDocumentPosition)
return (element.compareDocumentPosition(ancestor)& 8)===8;
if (ancestor.contains)
return ancestor.contains(element)&& ancestor !==element;
while (element=element.parentNode)
if (element==ancestor)return true;
return false;
},
scrollTo: function(element){
element=$(element);
var pos=element.cumulativeOffset();
window.scrollTo(pos[0], pos[1]);
return element;
},
getStyle: function(element, style){
element=$(element);
style=style=='float' ? 'cssFloat' : style.camelize();
var value=element.style[style];
if (!value||value=='auto'){
var css=document.defaultView.getComputedStyle(element, null);
value=css ? css[style] : null;
}
if (style=='opacity')return value ? parseFloat(value): 1.0;
return value=='auto' ? null : value;
},
getOpacity: function(element){
return $(element).getStyle('opacity');
},
setStyle: function(element, styles){
element=$(element);
var elementStyle=element.style, match;
if (Object.isString(styles)){
element.style.cssText+=';'+styles;
return styles.include('opacity')?
element.setOpacity(styles.match(/opacity:\s*(\d?\.?\d*)/)[1]): element;
}
for (var property in styles)
if (property=='opacity')element.setOpacity(styles[property]);
else
elementStyle[(property=='float'||property=='cssFloat')?
(Object.isUndefined(elementStyle.styleFloat)? 'cssFloat' :'styleFloat'):
property]=styles[property];
return element;
},
setOpacity: function(element, value){
element=$(element);
element.style.opacity=(value==1||value==='')? '' :
(value < 0.00001)? 0 : value;
return element;
},
getDimensions: function(element){
element=$(element);
var display=element.getStyle('display');
if (display !='none' && display !=null)
return{width: element.offsetWidth, height: element.offsetHeight};
var els=element.style;
var originalVisibility=els.visibility;
var originalPosition=els.position;
var originalDisplay=els.display;
els.visibility='hidden';
els.position='absolute';
els.display='block';
var originalWidth=element.clientWidth;
var originalHeight=element.clientHeight;
els.display=originalDisplay;
els.position=originalPosition;
els.visibility=originalVisibility;
return{width: originalWidth, height: originalHeight};
},
makePositioned: function(element){
element=$(element);
var pos=Element.getStyle(element, 'position');
if (pos=='static'||!pos){
element._madePositioned=true;
element.style.position='relative';
if (Prototype.Browser.Opera){
element.style.top=0;
element.style.left=0;
}}
return element;
},
undoPositioned: function(element){
element=$(element);
if (element._madePositioned){
element._madePositioned=undefined;
element.style.position=
element.style.top=
element.style.left=
element.style.bottom=
element.style.right='';
}
return element;
},
makeClipping: function(element){
element=$(element);
if (element._overflow)return element;
element._overflow=Element.getStyle(element, 'overflow')|| 'auto';
if (element._overflow !=='hidden')
element.style.overflow='hidden';
return element;
},
undoClipping: function(element){
element=$(element);
if (!element._overflow)return element;
element.style.overflow=element._overflow=='auto' ? '' : element._overflow;
element._overflow=null;
return element;
},
cumulativeOffset: function(element){
var valueT=0, valueL=0;
do{
valueT+=element.offsetTop ||0;
valueL+=element.offsetLeft||0;
element=element.offsetParent;
}while (element);
return Element._returnOffset(valueL, valueT);
},
positionedOffset: function(element){
var valueT=0, valueL=0;
do{
valueT+=element.offsetTop ||0;
valueL+=element.offsetLeft||0;
element=element.offsetParent;
if (element){
if (element.tagName.toUpperCase()=='BODY')break;
var p=Element.getStyle(element, 'position');
if (p !=='static')break;
}}while (element);
return Element._returnOffset(valueL, valueT);
},
absolutize: function(element){
element=$(element);
if (element.getStyle('position')=='absolute')return element;
var offsets=element.positionedOffset();
var top=offsets[1];
var left=offsets[0];
var width=element.clientWidth;
var height=element.clientHeight;
element._originalLeft=left - parseFloat(element.style.left ||0);
element._originalTop=top  - parseFloat(element.style.top||0);
element._originalWidth=element.style.width;
element._originalHeight=element.style.height;
element.style.position='absolute';
element.style.top=top+'px';
element.style.left=left+'px';
element.style.width=width+'px';
element.style.height=height+'px';
return element;
},
relativize: function(element){
element=$(element);
if (element.getStyle('position')=='relative')return element;
element.style.position='relative';
var top=parseFloat(element.style.top ||0)- (element._originalTop||0);
var left=parseFloat(element.style.left||0)- (element._originalLeft||0);
element.style.top=top+'px';
element.style.left=left+'px';
element.style.height=element._originalHeight;
element.style.width=element._originalWidth;
return element;
},
cumulativeScrollOffset: function(element){
var valueT=0, valueL=0;
do{
valueT+=element.scrollTop ||0;
valueL+=element.scrollLeft||0;
element=element.parentNode;
}while (element);
return Element._returnOffset(valueL, valueT);
},
getOffsetParent: function(element){
if (element.offsetParent)return $(element.offsetParent);
if (element==document.body)return $(element);
while ((element=element.parentNode)&& element !=document.body)
if (Element.getStyle(element, 'position')!='static')
return $(element);
return $(document.body);
},
viewportOffset: function(forElement){
var valueT=0, valueL=0;
var element=forElement;
do{
valueT+=element.offsetTop ||0;
valueL+=element.offsetLeft||0;
if (element.offsetParent==document.body &&
Element.getStyle(element, 'position')=='absolute')break;
}while (element=element.offsetParent);
element=forElement;
do{
if (!Prototype.Browser.Opera||(element.tagName && (element.tagName.toUpperCase()=='BODY'))){
valueT -=element.scrollTop ||0;
valueL -=element.scrollLeft||0;
}}while (element=element.parentNode);
return Element._returnOffset(valueL, valueT);
},
clonePosition: function(element, source){
var options=Object.extend({
setLeft:    true,
setTop:     true,
setWidth:   true,
setHeight:  true,
offsetTop:  0,
offsetLeft: 0
}, arguments[2] ||{});
source=$(source);
var p=source.viewportOffset();
element=$(element);
var delta=[0, 0];
var parent=null;
if (Element.getStyle(element, 'position')=='absolute'){
parent=element.getOffsetParent();
delta=parent.viewportOffset();
}
if (parent==document.body){
delta[0] -=document.body.offsetLeft;
delta[1] -=document.body.offsetTop;
}
if (options.setLeft)  element.style.left=(p[0] - delta[0]+options.offsetLeft)+'px';
if (options.setTop)   element.style.top=(p[1] - delta[1]+options.offsetTop)+'px';
if (options.setWidth) element.style.width=source.offsetWidth+'px';
if (options.setHeight)element.style.height=source.offsetHeight+'px';
return element;
}};
Element.Methods.identify.counter=1;
Object.extend(Element.Methods,{
getElementsBySelector: Element.Methods.select,
childElements: Element.Methods.immediateDescendants
});
Element._attributeTranslations={
write:{
names:{
className:'class',
htmlFor:   'for'
},
values:{}}};
if (Prototype.Browser.Opera){
Element.Methods.getStyle=Element.Methods.getStyle.wrap(
function(proceed, element, style){
switch (style){
case 'left': case 'top': case 'right': case 'bottom':
if (proceed(element, 'position')==='static')return null;
case 'height': case 'width':
if (!Element.visible(element))return null;
var dim=parseInt(proceed(element, style), 10);
if (dim !==element['offset'+style.capitalize()])
return dim+'px';
var properties;
if (style==='height'){
properties=['border-top-width', 'padding-top',
'padding-bottom', 'border-bottom-width'];
}
else{
properties=['border-left-width', 'padding-left',
'padding-right', 'border-right-width'];
}
return properties.inject(dim, function(memo, property){
var val=proceed(element, property);
return val===null ? memo : memo - parseInt(val, 10);
})+'px';
default: return proceed(element, style);
}}
);
Element.Methods.readAttribute=Element.Methods.readAttribute.wrap(
function(proceed, element, attribute){
if (attribute==='title')return element.title;
return proceed(element, attribute);
}
);
}
else if (Prototype.Browser.IE){
Element.Methods.getOffsetParent=Element.Methods.getOffsetParent.wrap(
function(proceed, element){
element=$(element);
try{element.offsetParent}
catch(e){return $(document.body)}
var position=element.getStyle('position');
if (position !=='static')return proceed(element);
element.setStyle({position:'relative'});
var value=proceed(element);
element.setStyle({position: position});
return value;
}
);
$w('positionedOffset viewportOffset').each(function(method){
Element.Methods[method]=Element.Methods[method].wrap(
function(proceed, element){
element=$(element);
try{element.offsetParent}
catch(e){return Element._returnOffset(0,0)}
var position=element.getStyle('position');
if (position !=='static')return proceed(element);
var offsetParent=element.getOffsetParent();
if (offsetParent && offsetParent.getStyle('position')==='fixed')
offsetParent.setStyle({zoom: 1});
element.setStyle({position:'relative'});
var value=proceed(element);
element.setStyle({position: position});
return value;
}
);
});
Element.Methods.cumulativeOffset=Element.Methods.cumulativeOffset.wrap(
function(proceed, element){
try{element.offsetParent}
catch(e){return Element._returnOffset(0,0)}
return proceed(element);
}
);
Element.Methods.getStyle=function(element, style){
element=$(element);
style=(style=='float'||style=='cssFloat')? 'styleFloat' : style.camelize();
var value=element.style[style];
if (!value && element.currentStyle)value=element.currentStyle[style];
if (style=='opacity'){
if (value=(element.getStyle('filter')|| '').match(/alpha\(opacity=(.*)\)/))
if (value[1])return parseFloat(value[1])/ 100;
return 1.0;
}
if (value=='auto'){
if ((style=='width'||style=='height')&& (element.getStyle('display')!='none'))
return element['offset'+style.capitalize()]+'px';
return null;
}
return value;
};
Element.Methods.setOpacity=function(element, value){
function stripAlpha(filter){
return filter.replace(/alpha\([^\)]*\)/gi,'');
}
element=$(element);
var currentStyle=element.currentStyle;
if ((currentStyle && !currentStyle.hasLayout)||
(!currentStyle && element.style.zoom=='normal'))
element.style.zoom=1;
var filter=element.getStyle('filter'), style=element.style;
if (value==1||value===''){
(filter=stripAlpha(filter))?
style.filter=filter : style.removeAttribute('filter');
return element;
}else if (value < 0.00001)value=0;
style.filter=stripAlpha(filter)+
'alpha(opacity='+(value * 100)+')';
return element;
};
Element._attributeTranslations={
read:{
names:{
'class':'className',
'for':   'htmlFor'
},
values:{
_getAttr: function(element, attribute){
return element.getAttribute(attribute, 2);
},
_getAttrNode: function(element, attribute){
var node=element.getAttributeNode(attribute);
return node ? node.value : "";
},
_getEv: function(element, attribute){
attribute=element.getAttribute(attribute);
return attribute ? attribute.toString().slice(23, -2): null;
},
_flag: function(element, attribute){
return $(element).hasAttribute(attribute)? attribute : null;
},
style: function(element){
return element.style.cssText.toLowerCase();
},
title: function(element){
return element.title;
}}}};
Element._attributeTranslations.write={
names: Object.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={};
$w('colSpan rowSpan vAlign dateTime accessKey tabIndex '+
'encType maxLength readOnly longDesc frameBorder').each(function(attr){
Element._attributeTranslations.write.names[attr.toLowerCase()]=attr;
Element._attributeTranslations.has[attr.toLowerCase()]=attr;
});
(function(v){
Object.extend(v,{
href:        v._getAttr,
src:         v._getAttr,
type:        v._getAttr,
action:      v._getAttrNode,
disabled:    v._flag,
checked:     v._flag,
readonly:    v._flag,
multiple:    v._flag,
onload:      v._getEv,
onunload:    v._getEv,
onclick:     v._getEv,
ondblclick:  v._getEv,
onmousedown: v._getEv,
onmouseup:   v._getEv,
onmouseover: v._getEv,
onmousemove: v._getEv,
onmouseout:  v._getEv,
onfocus:     v._getEv,
onblur:      v._getEv,
onkeypress:  v._getEv,
onkeydown:   v._getEv,
onkeyup:     v._getEv,
onsubmit:    v._getEv,
onreset:     v._getEv,
onselect:    v._getEv,
onchange:    v._getEv
});
})(Element._attributeTranslations.read.values);
}
else if (Prototype.Browser.Gecko && /rv:1\.8\.0/.test(navigator.userAgent)){
Element.Methods.setOpacity=function(element, value){
element=$(element);
element.style.opacity=(value==1)? 0.999999 :
(value==='')? '' : (value < 0.00001)? 0 : value;
return element;
};
}
else if (Prototype.Browser.WebKit){
Element.Methods.setOpacity=function(element, value){
element=$(element);
element.style.opacity=(value==1||value==='')? '' :
(value < 0.00001)? 0 : value;
if (value==1)
if(element.tagName.toUpperCase()=='IMG' && element.width){
element.width++;element.width--;
}else try{
var n=document.createTextNode(' ');
element.appendChild(n);
element.removeChild(n);
}catch (e){}
return element;
};
Element.Methods.cumulativeOffset=function(element){
var valueT=0, valueL=0;
do{
valueT+=element.offsetTop ||0;
valueL+=element.offsetLeft||0;
if (element.offsetParent==document.body)
if (Element.getStyle(element, 'position')=='absolute')break;
element=element.offsetParent;
}while (element);
return Element._returnOffset(valueL, valueT);
};
}
if (Prototype.Browser.IE||Prototype.Browser.Opera){
Element.Methods.update=function(element, content){
element=$(element);
if (content && content.toElement)content=content.toElement();
if (Object.isElement(content))return element.update().insert(content);
content=Object.toHTML(content);
var tagName=element.tagName.toUpperCase();
if (tagName in Element._insertionTranslations.tags){
$A(element.childNodes).each(function(node){element.removeChild(node)});
Element._getContentFromAnonymousElement(tagName, content.stripScripts())
.each(function(node){element.appendChild(node)});
}
else element.innerHTML=content.stripScripts();
content.evalScripts.bind(content).defer();
return element;
};
}
if ('outerHTML' in document.createElement('div')){
Element.Methods.replace=function(element, content){
element=$(element);
if (content && content.toElement)content=content.toElement();
if (Object.isElement(content)){
element.parentNode.replaceChild(content, element);
return element;
}
content=Object.toHTML(content);
var parent=element.parentNode, tagName=parent.tagName.toUpperCase();
if (Element._insertionTranslations.tags[tagName]){
var nextSibling=element.next();
var fragments=Element._getContentFromAnonymousElement(tagName, content.stripScripts());
parent.removeChild(element);
if (nextSibling)
fragments.each(function(node){parent.insertBefore(node, nextSibling)});
else
fragments.each(function(node){parent.appendChild(node)});
}
else element.outerHTML=content.stripScripts();
content.evalScripts.bind(content).defer();
return element;
};
}
Element._returnOffset=function(l, t){
var result=[l, t];
result.left=l;
result.top=t;
return result;
};
Element._getContentFromAnonymousElement=function(tagName, html){
var div=new Element('div'), t=Element._insertionTranslations.tags[tagName];
if (t){
div.innerHTML=t[0]+html+t[1];
t[2].times(function(){div=div.firstChild});
}else div.innerHTML=html;
return $A(div.childNodes);
};
Element._insertionTranslations={
before: function(element, node){
element.parentNode.insertBefore(node, element);
},
top: function(element, node){
element.insertBefore(node, element.firstChild);
},
bottom: function(element, node){
element.appendChild(node);
},
after: function(element, node){
element.parentNode.insertBefore(node, element.nextSibling);
},
tags:{
TABLE:  ['<table>',                '</table>',                   1],
TBODY:  ['<table><tbody>',         '</tbody></table>',           2],
TR:     ['<table><tbody><tr>',     '</tr></tbody></table>',      3],
TD:     ['<table><tbody><tr><td>', '</td></tr></tbody></table>', 4],
SELECT: ['<select>',               '</select>',                  1]
}};
(function(){
Object.extend(this.tags,{
THEAD: this.tags.TBODY,
TFOOT: this.tags.TBODY,
TH:    this.tags.TD
});
}).call(Element._insertionTranslations);
Element.Methods.Simulated={
hasAttribute: function(element, attribute){
attribute=Element._attributeTranslations.has[attribute]||attribute;
var node=$(element).getAttributeNode(attribute);
return !!(node && node.specified);
}};
Element.Methods.ByTag={};
Object.extend(Element, Element.Methods);
if (!Prototype.BrowserFeatures.ElementExtensions &&
document.createElement('div')['__proto__']){
window.HTMLElement={};
window.HTMLElement.prototype=document.createElement('div')['__proto__'];
Prototype.BrowserFeatures.ElementExtensions=true;
}
Element.extend=(function(){
if (Prototype.BrowserFeatures.SpecificElementExtensions)
return Prototype.K;
var Methods={}, ByTag=Element.Methods.ByTag;
var extend=Object.extend(function(element){
if (!element||element._extendedByPrototype ||
element.nodeType !=1||element==window)return element;
var methods=Object.clone(Methods),
tagName=element.tagName.toUpperCase(), property, value;
if (ByTag[tagName])Object.extend(methods, ByTag[tagName]);
for (property in methods){
value=methods[property];
if (Object.isFunction(value)&& !(property in element))
element[property]=value.methodize();
}
element._extendedByPrototype=Prototype.emptyFunction;
return element;
},{
refresh: function(){
if (!Prototype.BrowserFeatures.ElementExtensions){
Object.extend(Methods, Element.Methods);
Object.extend(Methods, Element.Methods.Simulated);
}}});
extend.refresh();
return extend;
})();
Element.hasAttribute=function(element, attribute){
if (element.hasAttribute)return element.hasAttribute(attribute);
return Element.Methods.Simulated.hasAttribute(element, attribute);
};
Element.addMethods=function(methods){
var F=Prototype.BrowserFeatures, T=Element.Methods.ByTag;
if (!methods){
Object.extend(Form, Form.Methods);
Object.extend(Form.Element, Form.Element.Methods);
Object.extend(Element.Methods.ByTag,{
"FORM":     Object.clone(Form.Methods),
"INPUT":    Object.clone(Form.Element.Methods),
"SELECT":   Object.clone(Form.Element.Methods),
"TEXTAREA": Object.clone(Form.Element.Methods)
});
}
if (arguments.length==2){
var tagName=methods;
methods=arguments[1];
}
if (!tagName)Object.extend(Element.Methods, methods ||{});
else{
if (Object.isArray(tagName))tagName.each(extend);
else extend(tagName);
}
function extend(tagName){
tagName=tagName.toUpperCase();
if (!Element.Methods.ByTag[tagName])
Element.Methods.ByTag[tagName]={};
Object.extend(Element.Methods.ByTag[tagName], methods);
}
function copy(methods, destination, onlyIfAbsent){
onlyIfAbsent=onlyIfAbsent||false;
for (var property in methods){
var value=methods[property];
if (!Object.isFunction(value))continue;
if (!onlyIfAbsent||!(property in destination))
destination[property]=value.methodize();
}}
function findDOMClass(tagName){
var klass;
var trans={
"OPTGROUP": "OptGroup", "TEXTAREA": "TextArea", "P": "Paragraph",
"FIELDSET": "FieldSet", "UL": "UList", "OL": "OList", "DL": "DList",
"DIR": "Directory", "H1": "Heading", "H2": "Heading", "H3": "Heading",
"H4": "Heading", "H5": "Heading", "H6": "Heading", "Q": "Quote",
"INS": "Mod", "DEL": "Mod", "A": "Anchor", "IMG": "Image", "CAPTION":
"TableCaption", "COL": "TableCol", "COLGROUP": "TableCol", "THEAD":
"TableSection", "TFOOT": "TableSection", "TBODY": "TableSection", "TR":
"TableRow", "TH": "TableCell", "TD": "TableCell", "FRAMESET":
"FrameSet", "IFRAME": "IFrame"
};
if (trans[tagName])klass='HTML'+trans[tagName]+'Element';
if (window[klass])return window[klass];
klass='HTML'+tagName+'Element';
if (window[klass])return window[klass];
klass='HTML'+tagName.capitalize()+'Element';
if (window[klass])return window[klass];
window[klass]={};
window[klass].prototype=document.createElement(tagName)['__proto__'];
return window[klass];
}
if (F.ElementExtensions){
copy(Element.Methods, HTMLElement.prototype);
copy(Element.Methods.Simulated, HTMLElement.prototype, true);
}
if (F.SpecificElementExtensions){
for (var tag in Element.Methods.ByTag){
var klass=findDOMClass(tag);
if (Object.isUndefined(klass))continue;
copy(T[tag], klass.prototype);
}}
Object.extend(Element, Element.Methods);
delete Element.ByTag;
if (Element.extend.refresh)Element.extend.refresh();
Element.cache={};
};
document.viewport={
getDimensions: function(){
var dimensions={}, B=Prototype.Browser;
$w('width height').each(function(d){
var D=d.capitalize();
if (B.WebKit && !document.evaluate){
dimensions[d]=self['inner'+D];
}else if (B.Opera && parseFloat(window.opera.version())< 9.5){
dimensions[d]=document.body['client'+D]
}else{
dimensions[d]=document.documentElement['client'+D];
}});
return dimensions;
},
getWidth: function(){
return this.getDimensions().width;
},
getHeight: function(){
return this.getDimensions().height;
},
getScrollOffsets: function(){
return Element._returnOffset(
window.pageXOffset||document.documentElement.scrollLeft||document.body.scrollLeft,
window.pageYOffset||document.documentElement.scrollTop||document.body.scrollTop);
}};
var Selector=Class.create({
initialize: function(expression){
this.expression=expression.strip();
if (this.shouldUseSelectorsAPI()){
this.mode='selectorsAPI';
}else if (this.shouldUseXPath()){
this.mode='xpath';
this.compileXPathMatcher();
}else{
this.mode="normal";
this.compileMatcher();
}},
shouldUseXPath: function(){
if (!Prototype.BrowserFeatures.XPath)return false;
var e=this.expression;
if (Prototype.Browser.WebKit &&
(e.include("-of-type")|| e.include(":empty")))
return false;
if ((/(\[[\w-]*?:|:checked)/).test(e))
return false;
return true;
},
shouldUseSelectorsAPI: function(){
if (!Prototype.BrowserFeatures.SelectorsAPI)return false;
if (!Selector._div)Selector._div=new Element('div');
try{
Selector._div.querySelector(this.expression);
}catch(e){
return false;
}
return true;
},
compileMatcher: function(){
var e=this.expression, ps=Selector.patterns, h=Selector.handlers,
c=Selector.criteria, le, p, m;
if (Selector._cache[e]){
this.matcher=Selector._cache[e];
return;
}
this.matcher=["this.matcher=function(root){",
"var r=root, h=Selector.handlers, c=false, n;"];
while (e && le !=e && (/\S/).test(e)){
le=e;
for (var i in ps){
p=ps[i];
if (m=e.match(p)){
this.matcher.push(Object.isFunction(c[i])? c[i](m):
new Template(c[i]).evaluate(m));
e=e.replace(m[0], '');
break;
}}}
this.matcher.push("return h.unique(n);\n}");
eval(this.matcher.join('\n'));
Selector._cache[this.expression]=this.matcher;
},
compileXPathMatcher: function(){
var e=this.expression, ps=Selector.patterns,
x=Selector.xpath, le, m;
if (Selector._cache[e]){
this.xpath=Selector._cache[e];return;
}
this.matcher=['.//*'];
while (e && le !=e && (/\S/).test(e)){
le=e;
for (var i in ps){
if (m=e.match(ps[i])){
this.matcher.push(Object.isFunction(x[i])? x[i](m):
new Template(x[i]).evaluate(m));
e=e.replace(m[0], '');
break;
}}}
this.xpath=this.matcher.join('');
Selector._cache[this.expression]=this.xpath;
},
findElements: function(root){
root=root||document;
var e=this.expression, results;
switch (this.mode){
case 'selectorsAPI':
if (root !==document){
var oldId=root.id, id=$(root).identify();
e="#"+id+" "+e;
}
results=$A(root.querySelectorAll(e)).map(Element.extend);
root.id=oldId;
return results;
case 'xpath':
return document._getElementsByXPath(this.xpath, root);
default:
return this.matcher(root);
}},
match: function(element){
this.tokens=[];
var e=this.expression, ps=Selector.patterns, as=Selector.assertions;
var le, p, m;
while (e && le !==e && (/\S/).test(e)){
le=e;
for (var i in ps){
p=ps[i];
if (m=e.match(p)){
if (as[i]){
this.tokens.push([i, Object.clone(m)]);
e=e.replace(m[0], '');
}else{
return this.findElements(document).include(element);
}}}}
var match=true, name, matches;
for (var i=0, token;token=this.tokens[i];i++){
name=token[0], matches=token[1];
if (!Selector.assertions[name](element, matches)){
match=false;break;
}}
return match;
},
toString: function(){
return this.expression;
},
inspect: function(){
return "#<Selector:"+this.expression.inspect()+">";
}});
Object.extend(Selector,{
_cache:{},
xpath:{
descendant:   "//*",
child:        "/*",
adjacent:     "/following-sibling::*[1]",
laterSibling:'/following-sibling::*',
tagName:      function(m){
if (m[1]=='*')return '';
return "[local-name()='"+m[1].toLowerCase()+
"' or local-name()='"+m[1].toUpperCase()+"']";
},
className:    "[contains(concat(' ', @class, ' '), ' #{1}')]",
id:           "[@id='#{1}']",
attrPresence: function(m){
m[1]=m[1].toLowerCase();
return new Template("[@#{1}]").evaluate(m);
},
attr: function(m){
m[1]=m[1].toLowerCase();
m[3]=m[5]||m[6];
return new Template(Selector.xpath.operators[m[2]]).evaluate(m);
},
pseudo: function(m){
var h=Selector.xpath.pseudos[m[1]];
if (!h)return '';
if (Object.isFunction(h))return h(m);
return new Template(Selector.xpath.pseudos[m[1]]).evaluate(m);
},
operators:{
'=':  "[@#{1}='#{3}']",
'!=': "[@#{1}!='#{3}']",
'^=': "[starts-with(@#{1}, '#{3}')]",
'$=': "[substring(@#{1}, (string-length(@#{1})- string-length('#{3}')+1))='#{3}']",
'*=': "[contains(@#{1}, '#{3}')]",
'~=': "[contains(concat(' ', @#{1}, ' '), ' #{3}')]",
'|=': "[contains(concat('-', @#{1}, '-'), '-#{3}-')]"
},
pseudos:{
'first-child':'[not(preceding-sibling::*)]',
'last-child':  '[not(following-sibling::*)]',
'only-child':  '[not(preceding-sibling::* or following-sibling::*)]',
'empty':       "[count(*)=0 and (count(text())=0)]",
'checked':     "[@checked]",
'disabled':    "[(@disabled)and (@type!='hidden')]",
'enabled':     "[not(@disabled)and (@type!='hidden')]",
'not': function(m){
var e=m[6], p=Selector.patterns,
x=Selector.xpath, le, v;
var exclusion=[];
while (e && le !=e && (/\S/).test(e)){
le=e;
for (var i in p){
if (m=e.match(p[i])){
v=Object.isFunction(x[i])? x[i](m): new Template(x[i]).evaluate(m);
exclusion.push("("+v.substring(1, v.length - 1)+")");
e=e.replace(m[0], '');
break;
}}}
return "[not("+exclusion.join(" and ")+")]";
},
'nth-child':      function(m){
return Selector.xpath.pseudos.nth("(count(./preceding-sibling::*)+1)", m);
},
'nth-last-child': function(m){
return Selector.xpath.pseudos.nth("(count(./following-sibling::*)+1)", m);
},
'nth-of-type':    function(m){
return Selector.xpath.pseudos.nth("position()", m);
},
'nth-last-of-type': function(m){
return Selector.xpath.pseudos.nth("(last()+1 - position())", m);
},
'first-of-type':  function(m){
m[6]="1";return Selector.xpath.pseudos['nth-of-type'](m);
},
'last-of-type':   function(m){
m[6]="1";return Selector.xpath.pseudos['nth-last-of-type'](m);
},
'only-of-type':   function(m){
var p=Selector.xpath.pseudos;return p['first-of-type'](m)+p['last-of-type'](m);
},
nth: function(fragment, m){
var mm, formula=m[6], predicate;
if (formula=='even')formula='2n+0';
if (formula=='odd') formula='2n+1';
if (mm=formula.match(/^(\d+)$/))
return '['+fragment+"="+mm[1]+']';
if (mm=formula.match(/^(-?\d*)?n(([+-])(\d+))?/)){
if (mm[1]=="-")mm[1]=-1;
var a=mm[1] ? Number(mm[1]): 1;
var b=mm[2] ? Number(mm[2]): 0;
predicate="[((#{fragment}- #{b})mod #{a}=0)and "+
"((#{fragment}- #{b})div #{a}>=0)]";
return new Template(predicate).evaluate({
fragment: fragment, a: a, b: b});
}}}},
criteria:{
tagName:      'n=h.tagName(n, r, "#{1}", c);c=false;',
className:    'n=h.className(n, r, "#{1}", c);c=false;',
id:           'n=h.id(n, r, "#{1}", c);c=false;',
attrPresence:'n=h.attrPresence(n, r, "#{1}", c);c=false;',
attr: function(m){
m[3]=(m[5]||m[6]);
return new Template('n=h.attr(n, r, "#{1}", "#{3}", "#{2}", c);c=false;').evaluate(m);
},
pseudo: function(m){
if (m[6])m[6]=m[6].replace(/"/g, '\\"');
return new Template('n=h.pseudo(n, "#{1}", "#{6}", r, c);c=false;').evaluate(m);
},
descendant:   'c="descendant";',
child:        'c="child";',
adjacent:     'c="adjacent";',
laterSibling:'c="laterSibling";'
},
patterns:{
laterSibling: /^\s*~\s*/,
child:        /^\s*>\s*/,
adjacent:     /^\s*\+\s*/,
descendant:   /^\s/,
tagName:      /^\s*(\*|[\w\-]+)(\b|$)?/,
id:           /^#([\w\-\*]+)(\b|$)/,
className:    /^\.([\w\-\*]+)(\b|$)/,
pseudo:
/^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|(?=\s|[:+~>]))/,
attrPresence: /^\[((?:[\w]+:)?[\w]+)\]/,
attr:         /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\4]*?)\4|([^'"][^\]]*?)))?\]/
},
assertions:{
tagName: function(element, matches){
return matches[1].toUpperCase()==element.tagName.toUpperCase();
},
className: function(element, matches){
return Element.hasClassName(element, matches[1]);
},
id: function(element, matches){
return element.id===matches[1];
},
attrPresence: function(element, matches){
return Element.hasAttribute(element, matches[1]);
},
attr: function(element, matches){
var nodeValue=Element.readAttribute(element, matches[1]);
return nodeValue && Selector.operators[matches[2]](nodeValue, matches[5]||matches[6]);
}},
handlers:{
concat: function(a, b){
for (var i=0, node;node=b[i];i++)
a.push(node);
return a;
},
mark: function(nodes){
var _true=Prototype.emptyFunction;
for (var i=0, node;node=nodes[i];i++)
node._countedByPrototype=_true;
return nodes;
},
unmark: function(nodes){
for (var i=0, node;node=nodes[i];i++)
node._countedByPrototype=undefined;
return nodes;
},
index: function(parentNode, reverse, ofType){
parentNode._countedByPrototype=Prototype.emptyFunction;
if (reverse){
for (var nodes=parentNode.childNodes, i=nodes.length - 1, j=1;i >=0;i--){
var node=nodes[i];
if (node.nodeType==1 && (!ofType||node._countedByPrototype))node.nodeIndex=j++;
}}else{
for (var i=0, j=1, nodes=parentNode.childNodes;node=nodes[i];i++)
if (node.nodeType==1 && (!ofType||node._countedByPrototype))node.nodeIndex=j++;
}},
unique: function(nodes){
if (nodes.length==0)return nodes;
var results=[], n;
for (var i=0, l=nodes.length;i < l;i++)
if (!(n=nodes[i])._countedByPrototype){
n._countedByPrototype=Prototype.emptyFunction;
results.push(Element.extend(n));
}
return Selector.handlers.unmark(results);
},
descendant: function(nodes){
var h=Selector.handlers;
for (var i=0, results=[], node;node=nodes[i];i++)
h.concat(results, node.getElementsByTagName('*'));
return results;
},
child: function(nodes){
var h=Selector.handlers;
for (var i=0, results=[], node;node=nodes[i];i++){
for (var j=0, child;child=node.childNodes[j];j++)
if (child.nodeType==1 && child.tagName !='!')results.push(child);
}
return results;
},
adjacent: function(nodes){
for (var i=0, results=[], node;node=nodes[i];i++){
var next=this.nextElementSibling(node);
if (next)results.push(next);
}
return results;
},
laterSibling: function(nodes){
var h=Selector.handlers;
for (var i=0, results=[], node;node=nodes[i];i++)
h.concat(results, Element.nextSiblings(node));
return results;
},
nextElementSibling: function(node){
while (node=node.nextSibling)
if (node.nodeType==1)return node;
return null;
},
previousElementSibling: function(node){
while (node=node.previousSibling)
if (node.nodeType==1)return node;
return null;
},
tagName: function(nodes, root, tagName, combinator){
var uTagName=tagName.toUpperCase();
var results=[], h=Selector.handlers;
if (nodes){
if (combinator){
if (combinator=="descendant"){
for (var i=0, node;node=nodes[i];i++)
h.concat(results, node.getElementsByTagName(tagName));
return results;
}else nodes=this[combinator](nodes);
if (tagName=="*")return nodes;
}
for (var i=0, node;node=nodes[i];i++)
if (node.tagName.toUpperCase()===uTagName)results.push(node);
return results;
}else return root.getElementsByTagName(tagName);
},
id: function(nodes, root, id, combinator){
var targetNode=$(id), h=Selector.handlers;
if (!targetNode)return [];
if (!nodes && root==document)return [targetNode];
if (nodes){
if (combinator){
if (combinator=='child'){
for (var i=0, node;node=nodes[i];i++)
if (targetNode.parentNode==node)return [targetNode];
}else if (combinator=='descendant'){
for (var i=0, node;node=nodes[i];i++)
if (Element.descendantOf(targetNode, node))return [targetNode];
}else if (combinator=='adjacent'){
for (var i=0, node;node=nodes[i];i++)
if (Selector.handlers.previousElementSibling(targetNode)==node)
return [targetNode];
}else nodes=h[combinator](nodes);
}
for (var i=0, node;node=nodes[i];i++)
if (node==targetNode)return [targetNode];
return [];
}
return (targetNode && Element.descendantOf(targetNode, root))? [targetNode] : [];
},
className: function(nodes, root, className, combinator){
if (nodes && combinator)nodes=this[combinator](nodes);
return Selector.handlers.byClassName(nodes, root, className);
},
byClassName: function(nodes, root, className){
if (!nodes)nodes=Selector.handlers.descendant([root]);
var needle=' '+className+' ';
for (var i=0, results=[], node, nodeClassName;node=nodes[i];i++){
nodeClassName=node.className;
if (nodeClassName.length==0)continue;
if (nodeClassName==className||(' '+nodeClassName+' ').include(needle))
results.push(node);
}
return results;
},
attrPresence: function(nodes, root, attr, combinator){
if (!nodes)nodes=root.getElementsByTagName("*");
if (nodes && combinator)nodes=this[combinator](nodes);
var results=[];
for (var i=0, node;node=nodes[i];i++)
if (Element.hasAttribute(node, attr))results.push(node);
return results;
},
attr: function(nodes, root, attr, value, operator, combinator){
if (!nodes)nodes=root.getElementsByTagName("*");
if (nodes && combinator)nodes=this[combinator](nodes);
var handler=Selector.operators[operator], results=[];
for (var i=0, node;node=nodes[i];i++){
var nodeValue=Element.readAttribute(node, attr);
if (nodeValue===null)continue;
if (handler(nodeValue, value))results.push(node);
}
return results;
},
pseudo: function(nodes, name, value, root, combinator){
if (nodes && combinator)nodes=this[combinator](nodes);
if (!nodes)nodes=root.getElementsByTagName("*");
return Selector.pseudos[name](nodes, value, root);
}},
pseudos:{
'first-child': function(nodes, value, root){
for (var i=0, results=[], node;node=nodes[i];i++){
if (Selector.handlers.previousElementSibling(node))continue;
results.push(node);
}
return results;
},
'last-child': function(nodes, value, root){
for (var i=0, results=[], node;node=nodes[i];i++){
if (Selector.handlers.nextElementSibling(node))continue;
results.push(node);
}
return results;
},
'only-child': function(nodes, value, root){
var h=Selector.handlers;
for (var i=0, results=[], node;node=nodes[i];i++)
if (!h.previousElementSibling(node)&& !h.nextElementSibling(node))
results.push(node);
return results;
},
'nth-child':        function(nodes, formula, root){
return Selector.pseudos.nth(nodes, formula, root);
},
'nth-last-child':   function(nodes, formula, root){
return Selector.pseudos.nth(nodes, formula, root, true);
},
'nth-of-type':      function(nodes, formula, root){
return Selector.pseudos.nth(nodes, formula, root, false, true);
},
'nth-last-of-type': function(nodes, formula, root){
return Selector.pseudos.nth(nodes, formula, root, true, true);
},
'first-of-type':    function(nodes, formula, root){
return Selector.pseudos.nth(nodes, "1", root, false, true);
},
'last-of-type':     function(nodes, formula, root){
return Selector.pseudos.nth(nodes, "1", root, true, true);
},
'only-of-type':     function(nodes, formula, root){
var p=Selector.pseudos;
return p['last-of-type'](p['first-of-type'](nodes, formula, root), formula, root);
},
getIndices: function(a, b, total){
if (a==0)return b > 0 ? [b] : [];
return $R(1, total).inject([], function(memo, i){
if (0==(i - b)% a && (i - b)/ a >=0)memo.push(i);
return memo;
});
},
nth: function(nodes, formula, root, reverse, ofType){
if (nodes.length==0)return [];
if (formula=='even')formula='2n+0';
if (formula=='odd') formula='2n+1';
var h=Selector.handlers, results=[], indexed=[], m;
h.mark(nodes);
for (var i=0, node;node=nodes[i];i++){
if (!node.parentNode._countedByPrototype){
h.index(node.parentNode, reverse, ofType);
indexed.push(node.parentNode);
}}
if (formula.match(/^\d+$/)){
formula=Number(formula);
for (var i=0, node;node=nodes[i];i++)
if (node.nodeIndex==formula)results.push(node);
}else if (m=formula.match(/^(-?\d*)?n(([+-])(\d+))?/)){
if (m[1]=="-")m[1]=-1;
var a=m[1] ? Number(m[1]): 1;
var b=m[2] ? Number(m[2]): 0;
var indices=Selector.pseudos.getIndices(a, b, nodes.length);
for (var i=0, node, l=indices.length;node=nodes[i];i++){
for (var j=0;j < l;j++)
if (node.nodeIndex==indices[j])results.push(node);
}}
h.unmark(nodes);
h.unmark(indexed);
return results;
},
'empty': function(nodes, value, root){
for (var i=0, results=[], node;node=nodes[i];i++){
if (node.tagName=='!'||node.firstChild)continue;
results.push(node);
}
return results;
},
'not': function(nodes, selector, root){
var h=Selector.handlers, selectorType, m;
var exclusions=new Selector(selector).findElements(root);
h.mark(exclusions);
for (var i=0, results=[], node;node=nodes[i];i++)
if (!node._countedByPrototype)results.push(node);
h.unmark(exclusions);
return results;
},
'enabled': function(nodes, value, root){
for (var i=0, results=[], node;node=nodes[i];i++)
if (!node.disabled && (!node.type||node.type !=='hidden'))
results.push(node);
return results;
},
'disabled': function(nodes, value, root){
for (var i=0, results=[], node;node=nodes[i];i++)
if (node.disabled)results.push(node);
return results;
},
'checked': function(nodes, value, root){
for (var i=0, results=[], node;node=nodes[i];i++)
if (node.checked)results.push(node);
return results;
}},
operators:{
'=':  function(nv, v){return nv==v;},
'!=': function(nv, v){return nv !=v;},
'^=': function(nv, v){return nv==v||nv && nv.startsWith(v);},
'$=': function(nv, v){return nv==v||nv && nv.endsWith(v);},
'*=': function(nv, v){return nv==v||nv && nv.include(v);},
'$=': function(nv, v){return nv.endsWith(v);},
'*=': function(nv, v){return nv.include(v);},
'~=': function(nv, v){return (' '+nv+' ').include(' '+v+' ');},
'|=': function(nv, v){return ('-'+(nv||"").toUpperCase()+
'-').include('-'+(v||"").toUpperCase()+'-');}},
split: function(expression){
var expressions=[];
expression.scan(/(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/, function(m){
expressions.push(m[1].strip());
});
return expressions;
},
matchElements: function(elements, expression){
var matches=$$(expression), h=Selector.handlers;
h.mark(matches);
for (var i=0, results=[], element;element=elements[i];i++)
if (element._countedByPrototype)results.push(element);
h.unmark(matches);
return results;
},
findElement: function(elements, expression, index){
if (Object.isNumber(expression)){
index=expression;expression=false;
}
return Selector.matchElements(elements, expression||'*')[index||0];
},
findChildElements: function(element, expressions){
expressions=Selector.split(expressions.join(','));
var results=[], h=Selector.handlers;
for (var i=0, l=expressions.length, selector;i < l;i++){
selector=new Selector(expressions[i].strip());
h.concat(results, selector.findElements(element));
}
return (l > 1)? h.unique(results): results;
}});
if (Prototype.Browser.IE){
Object.extend(Selector.handlers,{
concat: function(a, b){
for (var i=0, node;node=b[i];i++)
if (node.tagName !=="!")a.push(node);
return a;
},
unmark: function(nodes){
for (var i=0, node;node=nodes[i];i++)
node.removeAttribute('_countedByPrototype');
return nodes;
}});
}
function $$(){
return Selector.findChildElements(document, $A(arguments));
}
var Form={
reset: function(form){
$(form).reset();
return form;
},
serializeElements: function(elements, options){
if (typeof options !='object')options={hash: !!options};
else if (Object.isUndefined(options.hash))options.hash=true;
var key, value, submitted=false, submit=options.submit;
var data=elements.inject({}, function(result, element){
if (!element.disabled && element.name){
key=element.name;value=$(element).getValue();
if (value !=null && element.type !='file' && (element.type !='submit'||(!submitted &&
submit !==false && (!submit||key==submit)&& (submitted=true)))){
if (key in result){
if (!Object.isArray(result[key]))result[key]=[result[key]];
result[key].push(value);
}
else result[key]=value;
}}
return result;
});
return options.hash ? data : Object.toQueryString(data);
}};
Form.Methods={
serialize: function(form, options){
return Form.serializeElements(Form.getElements(form), options);
},
getElements: function(form){
return $A($(form).getElementsByTagName('*')).inject([],
function(elements, child){
if (Form.Element.Serializers[child.tagName.toLowerCase()])
elements.push(Element.extend(child));
return elements;
}
);
},
getInputs: function(form, typeName, name){
form=$(form);
var inputs=form.getElementsByTagName('input');
if (!typeName && !name)return $A(inputs).map(Element.extend);
for (var i=0, matchingInputs=[], length=inputs.length;i < length;i++){
var input=inputs[i];
if ((typeName && input.type !=typeName)|| (name && input.name !=name))
continue;
matchingInputs.push(Element.extend(input));
}
return matchingInputs;
},
disable: function(form){
form=$(form);
Form.getElements(form).invoke('disable');
return form;
},
enable: function(form){
form=$(form);
Form.getElements(form).invoke('enable');
return form;
},
findFirstElement: function(form){
var elements=$(form).getElements().findAll(function(element){
return 'hidden' !=element.type && !element.disabled;
});
var firstByIndex=elements.findAll(function(element){
return element.hasAttribute('tabIndex')&& element.tabIndex >=0;
}).sortBy(function(element){return element.tabIndex}).first();
return firstByIndex ? firstByIndex : elements.find(function(element){
return ['input', 'select', 'textarea'].include(element.tagName.toLowerCase());
});
},
focusFirstElement: function(form){
form=$(form);
form.findFirstElement().activate();
return form;
},
request: function(form, options){
form=$(form), options=Object.clone(options ||{});
var params=options.parameters, action=form.readAttribute('action')|| '';
if (action.blank())action=window.location.href;
options.parameters=form.serialize(true);
if (params){
if (Object.isString(params))params=params.toQueryParams();
Object.extend(options.parameters, params);
}
if (form.hasAttribute('method')&& !options.method)
options.method=form.method;
return new Ajax.Request(action, options);
}};
/*--------------------------------------------------------------------------*/
Form.Element={
focus: function(element){
$(element).focus();
return element;
},
select: function(element){
$(element).select();
return element;
}};
Form.Element.Methods={
serialize: function(element){
element=$(element);
if (!element.disabled && element.name){
var value=element.getValue();
if (value !=undefined){
var pair={};
pair[element.name]=value;
return Object.toQueryString(pair);
}}
return '';
},
getValue: function(element){
element=$(element);
var method=element.tagName.toLowerCase();
return Form.Element.Serializers[method](element);
},
setValue: function(element, value){
element=$(element);
var method=element.tagName.toLowerCase();
Form.Element.Serializers[method](element, value);
return element;
},
clear: function(element){
$(element).value='';
return element;
},
present: function(element){
return $(element).value !='';
},
activate: function(element){
element=$(element);
try{
element.focus();
if (element.select && (element.tagName.toLowerCase()!='input' ||
!['button', 'reset', 'submit'].include(element.type)))
element.select();
}catch (e){}
return element;
},
disable: function(element){
element=$(element);
element.disabled=true;
return element;
},
enable: function(element){
element=$(element);
element.disabled=false;
return element;
}};
/*--------------------------------------------------------------------------*/
var Field=Form.Element;
var $F=Form.Element.Methods.getValue;
/*--------------------------------------------------------------------------*/
Form.Element.Serializers={
input: function(element, value){
switch (element.type.toLowerCase()){
case 'checkbox':
case 'radio':
return Form.Element.Serializers.inputSelector(element, value);
default:
return Form.Element.Serializers.textarea(element, value);
}},
inputSelector: function(element, value){
if (Object.isUndefined(value))return element.checked ? element.value : null;
else element.checked=!!value;
},
textarea: function(element, value){
if (Object.isUndefined(value))return element.value;
else element.value=value;
},
select: function(element, value){
if (Object.isUndefined(value))
return this[element.type=='select-one' ?
'selectOne' :'selectMany'](element);
else{
var opt, currentValue, single=!Object.isArray(value);
for (var i=0, length=element.length;i < length;i++){
opt=element.options[i];
currentValue=this.optionValue(opt);
if (single){
if (currentValue==value){
opt.selected=true;
return;
}}
else opt.selected=value.include(currentValue);
}}},
selectOne: function(element){
var index=element.selectedIndex;
return index >=0 ? this.optionValue(element.options[index]): null;
},
selectMany: function(element){
var values, length=element.length;
if (!length)return null;
for (var i=0, values=[];i < length;i++){
var opt=element.options[i];
if (opt.selected)values.push(this.optionValue(opt));
}
return values;
},
optionValue: function(opt){
return Element.extend(opt).hasAttribute('value')? opt.value : opt.text;
}};
/*--------------------------------------------------------------------------*/
Abstract.TimedObserver=Class.create(PeriodicalExecuter,{
initialize: function($super, element, frequency, callback){
$super(callback, frequency);
this.element=$(element);
this.lastValue=this.getValue();
},
execute: function(){
var value=this.getValue();
if (Object.isString(this.lastValue)&& Object.isString(value)?
this.lastValue !=value : String(this.lastValue)!=String(value)){
this.callback(this.element, value);
this.lastValue=value;
}}});
Form.Element.Observer=Class.create(Abstract.TimedObserver,{
getValue: function(){
return Form.Element.getValue(this.element);
}});
Form.Observer=Class.create(Abstract.TimedObserver,{
getValue: function(){
return Form.serialize(this.element);
}});
/*--------------------------------------------------------------------------*/
Abstract.EventObserver=Class.create({
initialize: function(element, callback){
this.element=$(element);
this.callback=callback;
this.lastValue=this.getValue();
if (this.element.tagName.toLowerCase()=='form')
this.registerFormCallbacks();
else
this.registerCallback(this.element);
},
onElementEvent: function(){
var value=this.getValue();
if (this.lastValue !=value){
this.callback(this.element, value);
this.lastValue=value;
}},
registerFormCallbacks: function(){
Form.getElements(this.element).each(this.registerCallback, this);
},
registerCallback: function(element){
if (element.type){
switch (element.type.toLowerCase()){
case 'checkbox':
case 'radio':
Event.observe(element, 'click', this.onElementEvent.bind(this));
break;
default:
Event.observe(element, 'change', this.onElementEvent.bind(this));
break;
}}}});
Form.Element.EventObserver=Class.create(Abstract.EventObserver,{
getValue: function(){
return Form.Element.getValue(this.element);
}});
Form.EventObserver=Class.create(Abstract.EventObserver,{
getValue: function(){
return Form.serialize(this.element);
}});
if (!window.Event)var Event={};
Object.extend(Event,{
KEY_BACKSPACE: 8,
KEY_TAB:       9,
KEY_RETURN:   13,
KEY_ESC:      27,
KEY_LEFT:     37,
KEY_UP:       38,
KEY_RIGHT:    39,
KEY_DOWN:     40,
KEY_DELETE:   46,
KEY_HOME:     36,
KEY_END:      35,
KEY_PAGEUP:   33,
KEY_PAGEDOWN: 34,
KEY_INSERT:   45,
cache:{},
relatedTarget: function(event){
var element;
switch(event.type){
case 'mouseover': element=event.fromElement;break;
case 'mouseout':  element=event.toElement;break;
default: return null;
}
return Element.extend(element);
}});
Event.Methods=(function(){
var isButton;
if (Prototype.Browser.IE){
var buttonMap={0: 1, 1: 4, 2: 2};
isButton=function(event, code){
return event.button==buttonMap[code];
};
}else if (Prototype.Browser.WebKit){
isButton=function(event, code){
switch (code){
case 0: return event.which==1 && !event.metaKey;
case 1: return event.which==1 && event.metaKey;
default: return false;
}};
}else{
isButton=function(event, code){
return event.which ? (event.which===code+1): (event.button===code);
};
}
return{
isLeftClick:   function(event){return isButton(event, 0)},
isMiddleClick: function(event){return isButton(event, 1)},
isRightClick:  function(event){return isButton(event, 2)},
element: function(event){
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);
},
findElement: function(event, expression){
var element=Event.element(event);
if (!expression)return element;
var elements=[element].concat(element.ancestors());
return Selector.findElement(elements, expression, 0);
},
pointer: function(event){
var docElement=document.documentElement,
body=document.body ||{scrollLeft: 0, scrollTop: 0};
return{
x: event.pageX||(event.clientX+
(docElement.scrollLeft||body.scrollLeft)-
(docElement.clientLeft||0)),
y: event.pageY||(event.clientY+
(docElement.scrollTop||body.scrollTop)-
(docElement.clientTop||0))
};
},
pointerX: function(event){return Event.pointer(event).x},
pointerY: function(event){return Event.pointer(event).y},
stop: function(event){
Event.extend(event);
event.preventDefault();
event.stopPropagation();
event.stopped=true;
}};
})();
Event.extend=(function(){
var methods=Object.keys(Event.Methods).inject({}, function(m, name){
m[name]=Event.Methods[name].methodize();
return m;
});
if (Prototype.Browser.IE){
Object.extend(methods,{
stopPropagation: function(){this.cancelBubble=true},
preventDefault:  function(){this.returnValue=false},
inspect: function(){return "[object Event]"}});
return function(event){
if (!event)return false;
if (event._extendedByPrototype)return event;
event._extendedByPrototype=Prototype.emptyFunction;
var pointer=Event.pointer(event);
Object.extend(event,{
target: event.srcElement,
relatedTarget: Event.relatedTarget(event),
pageX:  pointer.x,
pageY:  pointer.y
});
return Object.extend(event, methods);
};
}else{
Event.prototype=Event.prototype||document.createEvent("HTMLEvents")['__proto__'];
Object.extend(Event.prototype, methods);
return Prototype.K;
}})();
Object.extend(Event, (function(){
var cache=Event.cache;
function getEventID(element){
if (element._prototypeEventID)return element._prototypeEventID[0];
arguments.callee.id=arguments.callee.id||1;
return element._prototypeEventID=[++arguments.callee.id];
}
function getDOMEventName(eventName){
if (eventName && eventName.include(':'))return "dataavailable";
return eventName;
}
function getCacheForID(id){
return cache[id]=cache[id] ||{};
}
function getWrappersForEventName(id, eventName){
var c=getCacheForID(id);
return c[eventName]=c[eventName]||[];
}
function createWrapper(element, eventName, handler){
var id=getEventID(element);
var c=getWrappersForEventName(id, eventName);
if (c.pluck("handler").include(handler))return false;
var wrapper=function(event){
if (!Event||!Event.extend ||
(event.eventName && event.eventName !=eventName))
return false;
Event.extend(event);
handler.call(element, event);
};
wrapper.handler=handler;
c.push(wrapper);
return wrapper;
}
function findWrapper(id, eventName, handler){
var c=getWrappersForEventName(id, eventName);
return c.find(function(wrapper){return wrapper.handler==handler});
}
function destroyWrapper(id, eventName, handler){
var c=getCacheForID(id);
if (!c[eventName])return false;
c[eventName]=c[eventName].without(findWrapper(id, eventName, handler));
}
function destroyCache(){
for (var id in cache)
for (var eventName in cache[id])
cache[id][eventName]=null;
}
if (window.attachEvent){
window.attachEvent("onunload", destroyCache);
}
if (Prototype.Browser.WebKit){
window.addEventListener('unload', Prototype.emptyFunction, false);
}
return{
observe: function(element, eventName, handler){
element=$(element);
var name=getDOMEventName(eventName);
var wrapper=createWrapper(element, eventName, handler);
if (!wrapper)return element;
if (element.addEventListener){
element.addEventListener(name, wrapper, false);
}else{
element.attachEvent("on"+name, wrapper);
}
return element;
},
stopObserving: function(element, eventName, handler){
element=$(element);
var id=getEventID(element), name=getDOMEventName(eventName);
if (!handler && eventName){
getWrappersForEventName(id, eventName).each(function(wrapper){
element.stopObserving(eventName, wrapper.handler);
});
return element;
}else if (!eventName){
Object.keys(getCacheForID(id)).each(function(eventName){
element.stopObserving(eventName);
});
return element;
}
var wrapper=findWrapper(id, eventName, handler);
if (!wrapper)return element;
if (element.removeEventListener){
element.removeEventListener(name, wrapper, false);
}else{
element.detachEvent("on"+name, wrapper);
}
destroyWrapper(id, eventName, handler);
return element;
},
fire: function(element, eventName, memo){
element=$(element);
if (element==document && document.createEvent && !element.dispatchEvent)
element=document.documentElement;
var event;
if (document.createEvent){
event=document.createEvent("HTMLEvents");
event.initEvent("dataavailable", true, true);
}else{
event=document.createEventObject();
event.eventType="ondataavailable";
}
event.eventName=eventName;
event.memo=memo ||{};
if (document.createEvent){
element.dispatchEvent(event);
}else{
element.fireEvent(event.eventType, event);
}
return Event.extend(event);
}};
})());
Object.extend(Event, Event.Methods);
Element.addMethods({
fire:          Event.fire,
observe:       Event.observe,
stopObserving: Event.stopObserving
});
Object.extend(document,{
fire:          Element.Methods.fire.methodize(),
observe:       Element.Methods.observe.methodize(),
stopObserving: Element.Methods.stopObserving.methodize(),
loaded:        false
});
(function(){
var timer;
function fireContentLoadedEvent(){
if (document.loaded)return;
if (timer)window.clearInterval(timer);
document.fire("dom:loaded");
document.loaded=true;
}
if (document.addEventListener){
if (Prototype.Browser.WebKit){
timer=window.setInterval(function(){
if (/loaded|complete/.test(document.readyState))
fireContentLoadedEvent();
}, 0);
Event.observe(window, "load", fireContentLoadedEvent);
}else{
document.addEventListener("DOMContentLoaded",
fireContentLoadedEvent, false);
}}else{
document.write("<script id=__onDOMContentLoaded defer src=//:><\/script>");
$("__onDOMContentLoaded").onreadystatechange=function(){
if (this.readyState=="complete"){
this.onreadystatechange=null;
fireContentLoadedEvent();
}};
}})();
/*------------------------------- DEPRECATED -------------------------------*/
Hash.toQueryString=Object.toQueryString;
var Toggle={display: Element.toggle};
Element.Methods.childOf=Element.Methods.descendantOf;
var Insertion={
Before: function(element, content){
return Element.insert(element,{before:content});
},
Top: function(element, content){
return Element.insert(element,{top:content});
},
Bottom: function(element, content){
return Element.insert(element,{bottom:content});
},
After: function(element, content){
return Element.insert(element,{after:content});
}};
var $continue=new Error('"throw $continue" is deprecated, use "return" instead');
var Position={
includeScrollOffsets: false,
prepare: function(){
this.deltaX=window.pageXOffset
|| document.documentElement.scrollLeft
|| document.body.scrollLeft
|| 0;
this.deltaY=window.pageYOffset
|| document.documentElement.scrollTop
|| document.body.scrollTop
|| 0;
},
within: function(element, x, y){
if (this.includeScrollOffsets)
return this.withinIncludingScrolloffsets(element, x, y);
this.xcomp=x;
this.ycomp=y;
this.offset=Element.cumulativeOffset(element);
return (y >=this.offset[1] &&
y <  this.offset[1]+element.offsetHeight &&
x >=this.offset[0] &&
x <  this.offset[0]+element.offsetWidth);
},
withinIncludingScrolloffsets: function(element, x, y){
var offsetcache=Element.cumulativeScrollOffset(element);
this.xcomp=x+offsetcache[0] - this.deltaX;
this.ycomp=y+offsetcache[1] - this.deltaY;
this.offset=Element.cumulativeOffset(element);
return (this.ycomp >=this.offset[1] &&
this.ycomp <  this.offset[1]+element.offsetHeight &&
this.xcomp >=this.offset[0] &&
this.xcomp <  this.offset[0]+element.offsetWidth);
},
overlap: function(mode, element){
if (!mode)return 0;
if (mode=='vertical')
return ((this.offset[1]+element.offsetHeight)- this.ycomp)/
element.offsetHeight;
if (mode=='horizontal')
return ((this.offset[0]+element.offsetWidth)- this.xcomp)/
element.offsetWidth;
},
cumulativeOffset: Element.Methods.cumulativeOffset,
positionedOffset: Element.Methods.positionedOffset,
absolutize: function(element){
Position.prepare();
return Element.absolutize(element);
},
relativize: function(element){
Position.prepare();
return Element.relativize(element);
},
realOffset: Element.Methods.cumulativeScrollOffset,
offsetParent: Element.Methods.getOffsetParent,
page: Element.Methods.viewportOffset,
clone: function(source, target, options){
options=options ||{};
return Element.clonePosition(target, source, options);
}};
/*--------------------------------------------------------------------------*/
if (!document.getElementsByClassName)document.getElementsByClassName=function(instanceMethods){
function iter(name){
return name.blank()? null : "[contains(concat(' ', @class, ' '), ' "+name+" ')]";
}
instanceMethods.getElementsByClassName=Prototype.BrowserFeatures.XPath ?
function(element, className){
className=className.toString().strip();
var cond=/\s/.test(className)? $w(className).map(iter).join(''): iter(className);
return cond ? document._getElementsByXPath('.//*'+cond, element): [];
}: function(element, className){
className=className.toString().strip();
var elements=[], classNames=(/\s/.test(className)? $w(className): null);
if (!classNames && !className)return elements;
var nodes=$(element).getElementsByTagName('*');
className=' '+className+' ';
for (var i=0, child, cn;child=nodes[i];i++){
if (child.className && (cn=' '+child.className+' ')&& (cn.include(className)||
(classNames && classNames.all(function(name){
return !name.toString().blank()&& cn.include(' '+name+' ');
}))))
elements.push(Element.extend(child));
}
return elements;
};
return function(className, parentElement){
return $(parentElement||document.body).getElementsByClassName(className);
};
}(Element.Methods);
/*--------------------------------------------------------------------------*/
Element.ClassNames=Class.create();
Element.ClassNames.prototype={
initialize: function(element){
this.element=$(element);
},
_each: function(iterator){
this.element.className.split(/\s+/).select(function(name){
return name.length > 0;
})._each(iterator);
},
set: function(className){
this.element.className=className;
},
add: function(classNameToAdd){
if (this.include(classNameToAdd))return;
this.set($A(this).concat(classNameToAdd).join(' '));
},
remove: function(classNameToRemove){
if (!this.include(classNameToRemove))return;
this.set($A(this).without(classNameToRemove).join(' '));
},
toString: function(){
return $A(this).join(' ');
}};
Object.extend(Element.ClassNames.prototype, Enumerable);
/*--------------------------------------------------------------------------*/
Element.addMethods();