/* Prototype JavaScript framework, version 1.6.1 (c) 2005-2009 Sam Stephenson
Prototype is freely distributable under the terms of an MIT-style license.
For details, see the Prototype web site: http://www.prototypejs.org/ */
var Prototype={
Version: '1.6.1',
Browser: (function(){
var ua=navigator.userAgent;
var isOpera=Object.prototype.toString.call(window.opera) == '[object Opera]';
return{
IE: !!window.attachEvent && !isOpera,
Opera: isOpera,
WebKit: ua.indexOf('AppleWebKit/') > -1,
Gecko: ua.indexOf('Gecko') > -1 && ua.indexOf('KHTML') === -1,
MobileSafari: /Apple.*Mobile.*Safari/.test(ua)
}})(),
BrowserFeatures:{
XPath: !!document.evaluate,
SelectorsAPI: !!document.querySelector,
ElementExtensions: (function(){
var constructor=window.Element || window.HTMLElement;
return !!(constructor && constructor.prototype);})(),
SpecificElementExtensions: (function(){
if (typeof window.HTMLDivElement !== 'undefined')
return true;
var div=document.createElement('div');
var form=document.createElement('form');
var isSupported=false;
if (div['__proto__'] && (div['__proto__'] !== form['__proto__'])){
isSupported=true;}
div=form=null;
return isSupported;})()
},
ScriptFragment: '<script[^>]*>([\\S\\s]*?)<\/script>',
JSONFilter: /^\/\*-secure-([\s\S]*)\*\/\s*$/,
emptyFunction: function(){ },
K: function(x){ return x }};
if (Prototype.Browser.MobileSafari)
Prototype.BrowserFeatures.SpecificElementExtensions=false;
var Abstract={ };
var Try={
these: function(){
var returnValue;
for (var i=0, length=arguments.length; i < length; i++){
var lambda=arguments[i];
try{
returnValue=lambda();
break;} catch (e){ }}
return returnValue;}};
var Class=(function(){
function subclass(){};
function create(){
var parent=null, properties=$A(arguments);
if (Object.isFunction(properties[0]))
parent=properties.shift();
function klass(){
this.initialize.apply(this, arguments);}
Object.extend(klass, Class.Methods);
klass.superclass=parent;
klass.subclasses=[];
if (parent){
subclass.prototype=parent.prototype;
klass.prototype=new subclass;
parent.subclasses.push(klass);}
for (var i=0; i < properties.length; i++)
klass.addMethods(properties[i]);
if (!klass.prototype.initialize)
klass.prototype.initialize=Prototype.emptyFunction;
klass.prototype.constructor=klass;
return klass;}
function addMethods(source){
var ancestor=this.superclass && this.superclass.prototype;
var properties=Object.keys(source);
if (!Object.keys({ toString: true }).length){
if (source.toString != Object.prototype.toString)
properties.push("toString");
if (source.valueOf != Object.prototype.valueOf)
properties.push("valueOf");}
for (var i=0, length=properties.length; i < length; i++){
var property=properties[i], value=source[property];
if (ancestor && Object.isFunction(value) &&
value.argumentNames().first() == "$super"){
var method=value;
value=(function(m){
return function(){ return ancestor[m].apply(this, arguments);};})(property).wrap(method);
value.valueOf=method.valueOf.bind(method);
value.toString=method.toString.bind(method);}
this.prototype[property]=value;}
return this;}
return{
create: create,
Methods:{
addMethods: addMethods
}};})();
(function(){
var _toString=Object.prototype.toString;
function extend(destination, source){
for (var property in source)
destination[property]=source[property];
return destination;}
function inspect(object){
try{
if (isUndefined(object)) return 'undefined';
if (object === null) return 'null';
return object.inspect ? object.inspect():String(object);} catch (e){
if (e instanceof RangeError) return '...';
throw e;}}
function toJSON(object){
var type=typeof object;
switch (type){
case 'undefined':
case 'function':
case 'unknown': return;
case 'boolean': return object.toString();}
if (object === null) return 'null';
if (object.toJSON) return object.toJSON();
if (isElement(object)) return;
var results=[];
for (var property in object){
var value=toJSON(object[property]);
if (!isUndefined(value))
results.push(property.toJSON()+': '+value);}
return '{'+results.join(', ')+'}';}
function toQueryString(object){
return $H(object).toQueryString();}
function toHTML(object){
return object && object.toHTML ? object.toHTML():String.interpret(object);}
function keys(object){
var results=[];
for (var property in object)
results.push(property);
return results;}
function values(object){
var results=[];
for (var property in object)
results.push(object[property]);
return results;}
function clone(object){
return extend({ }, object);}
function isElement(object){
return !!(object && object.nodeType == 1);}
function isArray(object){
return _toString.call(object) == "[object Array]";}
function isHash(object){
return object instanceof Hash;}
function isFunction(object){
return typeof object === "function";}
function isString(object){
return _toString.call(object) == "[object String]";}
function isNumber(object){
return _toString.call(object) == "[object Number]";}
function isUndefined(object){
return typeof object === "undefined";}
extend(Object,{
extend: extend,
inspect: inspect,
toJSON: toJSON,
toQueryString: toQueryString,
toHTML: toHTML,
keys: keys,
values: values,
clone: clone,
isElement: isElement,
isArray: isArray,
isHash: isHash,
isFunction: isFunction,
isString: isString,
isNumber: isNumber,
isUndefined: isUndefined
});})();
Object.extend(Function.prototype, (function(){
var slice=Array.prototype.slice;
function update(array, args){
var arrayLength=array.length, length=args.length;
while (length--) array[arrayLength+length]=args[length];
return array;}
function merge(array, args){
array=slice.call(array, 0);
return update(array, args);}
function argumentNames(){
var names=this.toString().match(/^[\s\(]*function[^(]*\(([^)]*)\)/)[1]
.replace(/\/\/.*?[\r\n]|\/\*(?:.|[\r\n])*?\*\//g, '')
.replace(/\s+/g, '').split(',');
return names.length == 1 && !names[0] ? []:names;}
function bind(context){
if (arguments.length < 2 && Object.isUndefined(arguments[0])) return this;
var __method=this, args=slice.call(arguments, 1);
return function(){
var a=merge(args, arguments);
return __method.apply(context, a);}}
function bindAsEventListener(context){
var __method=this, args=slice.call(arguments, 1);
return function(event){
var a=update([event || window.event], args);
return __method.apply(context, a);}}
function curry(){
if (!arguments.length) return this;
var __method=this, args=slice.call(arguments, 0);
return function(){
var a=merge(args, arguments);
return __method.apply(this, a);}}
function delay(timeout){
var __method=this, args=slice.call(arguments, 1);
timeout=timeout * 1000
return window.setTimeout(function(){
return __method.apply(__method, args);}, timeout);}
function defer(){
var args=update([0.01], arguments);
return this.delay.apply(this, args);}
function wrap(wrapper){
var __method=this;
return function(){
var a=update([__method.bind(this)], arguments);
return wrapper.apply(this, a);}}
function methodize(){
if (this._methodized) return this._methodized;
var __method=this;
return this._methodized=function(){
var a=update([this], arguments);
return __method.apply(null, a);};}
return{
argumentNames: argumentNames,
bind: bind,
bindAsEventListener: bindAsEventListener,
curry: curry,
delay: delay,
defer: defer,
wrap: wrap,
methodize: methodize
}})());
Date.prototype.toJSON=function(){
return '"'+this.getUTCFullYear()+'-' +
(this.getUTCMonth()+1).toPaddedString(2)+'-' +
this.getUTCDate().toPaddedString(2)+'T' +
this.getUTCHours().toPaddedString(2)+':' +
this.getUTCMinutes().toPaddedString(2)+':' +
this.getUTCSeconds().toPaddedString(2)+'Z"';};
RegExp.prototype.match=RegExp.prototype.test;
RegExp.escape=function(str){
return String(str).replace(/([.*+?^=!:${}()|[\]\/\\])/g, '\\$1');};
var PeriodicalExecuter=Class.create({
initialize: function(callback, frequency){
this.callback=callback;
this.frequency=frequency;
this.currentlyExecuting=false;
this.registerCallback();},
registerCallback: function(){
this.timer=setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);},
execute: function(){
this.callback(this);},
stop: function(){
if (!this.timer) return;
clearInterval(this.timer);
this.timer=null;},
onTimerEvent: function(){
if (!this.currentlyExecuting){
try{
this.currentlyExecuting=true;
this.execute();
this.currentlyExecuting=false;} catch(e){
this.currentlyExecuting=false;
throw e;}}
}});
Object.extend(String,{
interpret: function(value){
return value == null ? '':String(value);},
specialChar:{
'\b': '\\b',
'\t': '\\t',
'\n': '\\n',
'\f': '\\f',
'\r': '\\r',
'\\': '\\\\'
}});
Object.extend(String.prototype, (function(){
function prepareReplacement(replacement){
if (Object.isFunction(replacement)) return replacement;
var template=new Template(replacement);
return function(match){ return template.evaluate(match) };}
function gsub(pattern, replacement){
var result='', source=this, match;
replacement=prepareReplacement(replacement);
if (Object.isString(pattern))
pattern=RegExp.escape(pattern);
if (!(pattern.length || pattern.source)){
replacement=replacement('');
return replacement+source.split('').join(replacement)+replacement;}
while (source.length > 0){
if (match=source.match(pattern)){
result += source.slice(0, match.index);
result += String.interpret(replacement(match));
source=source.slice(match.index+match[0].length);} else{
result += source, source='';}}
return result;}
function sub(pattern, replacement, count){
replacement=prepareReplacement(replacement);
count=Object.isUndefined(count) ? 1:count;
return this.gsub(pattern, function(match){
if (--count < 0) return match[0];
return replacement(match);});}
function scan(pattern, iterator){
this.gsub(pattern, iterator);
return String(this);}
function truncate(length, truncation){
length=length || 30;
truncation=Object.isUndefined(truncation) ? '...':truncation;
return this.length > length ?
this.slice(0, length - truncation.length)+truncation:String(this);}
function strip(){
return this.replace(/^\s+/, '').replace(/\s+$/, '');}
function stripTags(){
return this.replace(/<\w+(\s+("[^"]*"|'[^']*'|[^>])+)?>|<\/\w+>/gi, '');}
function stripScripts(){
return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), '');}
function extractScripts(){
var matchAll=new RegExp(Prototype.ScriptFragment, 'img');
var matchOne=new RegExp(Prototype.ScriptFragment, 'im');
return (this.match(matchAll) || []).map(function(scriptTag){
return (scriptTag.match(matchOne) || ['', ''])[1];});}
function evalScripts(){
return this.extractScripts().map(function(script){ return eval(script) });}
function escapeHTML(){
return this.replace(/&/g,'&amp;').replace(/</g,'&lt;').replace(/>/g,'&gt;');}
function unescapeHTML(){
return this.stripTags().replace(/&lt;/g,'<').replace(/&gt;/g,'>').replace(/&amp;/g,'&');}
function toQueryParams(separator){
var match=this.strip().match(/([^?#]*)(#.*)?$/);
if (!match) return{ };
return match[1].split(separator || '&').inject({ }, function(hash, pair){
if ((pair=pair.split('='))[0]){
var key=decodeURIComponent(pair.shift());
var value=pair.length > 1 ? pair.join('='):pair[0];
if (value != undefined) value=decodeURIComponent(value);
if (key in hash){
if (!Object.isArray(hash[key])) hash[key]=[hash[key]];
hash[key].push(value);}
else hash[key]=value;}
return hash;});}
function toArray(){
return this.split('');}
function succ(){
return this.slice(0, this.length - 1) +
String.fromCharCode(this.charCodeAt(this.length - 1)+1);}
function times(count){
return count < 1 ? '':new Array(count+1).join(this);}
function camelize(){
var parts=this.split('-'), len=parts.length;
if (len == 1) return parts[0];
var camelized=this.charAt(0) == '-'
? parts[0].charAt(0).toUpperCase()+parts[0].substring(1)
: parts[0];
for (var i=1; i < len; i++)
camelized += parts[i].charAt(0).toUpperCase()+parts[i].substring(1);
return camelized;}
function capitalize(){
return this.charAt(0).toUpperCase()+this.substring(1).toLowerCase();}
function underscore(){
return this.replace(/::/g, '/')
.replace(/([A-Z]+)([A-Z][a-z])/g, '$1_$2')
.replace(/([a-z\d])([A-Z])/g, '$1_$2')
.replace(/-/g, '_')
.toLowerCase();}
function dasherize(){
return this.replace(/_/g, '-');}
function inspect(useDoubleQuotes){
var escapedString=this.replace(/[\x00-\x1f\\]/g, function(character){
if (character in String.specialChar){
return String.specialChar[character];}
return '\\u00'+character.charCodeAt().toPaddedString(2, 16);});
if (useDoubleQuotes) return '"'+escapedString.replace(/"/g, '\\"')+'"';
return "'"+escapedString.replace(/'/g, '\\\'')+"'";}
function toJSON(){
return this.inspect(true);}
function unfilterJSON(filter){
return this.replace(filter || Prototype.JSONFilter, '$1');}
function isJSON(){
var str=this;
if (str.blank()) return false;
str=this.replace(/\\./g, '@').replace(/"[^"\\\n\r]*"/g, '');
return (/^[,:{}\[\]0-9.\-+Eaeflnr-u \n\r\t]*$/).test(str);}
function evalJSON(sanitize){
var json=this.unfilterJSON();
try{
if (!sanitize || json.isJSON()) return eval('('+json+')');} catch (e){ }
throw new SyntaxError('Badly formed JSON string: '+this.inspect());}
function include(pattern){
return this.indexOf(pattern) > -1;}
function startsWith(pattern){
return this.indexOf(pattern) === 0;}
function endsWith(pattern){
var d=this.length - pattern.length;
return d >= 0 && this.lastIndexOf(pattern) === d;}
function empty(){
return this == '';}
function blank(){
return /^\s*$/.test(this);}
function interpolate(object, pattern){
return new Template(this, pattern).evaluate(object);}
return{
gsub: gsub,
sub: sub,
scan: scan,
truncate: truncate,
strip: String.prototype.trim ? String.prototype.trim:strip,
stripTags: stripTags,
stripScripts: stripScripts,
extractScripts: extractScripts,
evalScripts: evalScripts,
escapeHTML: escapeHTML,
unescapeHTML: unescapeHTML,
toQueryParams: toQueryParams,
parseQuery: toQueryParams,
toArray: toArray,
succ: succ,
times: times,
camelize: camelize,
capitalize: capitalize,
underscore: underscore,
dasherize: dasherize,
inspect: inspect,
toJSON: toJSON,
unfilterJSON: unfilterJSON,
isJSON: isJSON,
evalJSON: evalJSON,
include: include,
startsWith: startsWith,
endsWith: endsWith,
empty: empty,
blank: blank,
interpolate: interpolate
};})());
var Template=Class.create({
initialize: function(template, pattern){
this.template=template.toString();
this.pattern=pattern || Template.Pattern;},
evaluate: function(object){
if (object && Object.isFunction(object.toTemplateReplacements))
object=object.toTemplateReplacements();
return this.template.gsub(this.pattern, function(match){
if (object == null) return (match[1]+'');
var before=match[1] || '';
if (before == '\\') return match[2];
var ctx=object, expr=match[3];
var pattern=/^([^.[]+|\[((?:.*?[^\\])?)\])(\.|\[|$)/;
match=pattern.exec(expr);
if (match == null) return before;
while (match != null){
var comp=match[1].startsWith('[') ? match[2].replace(/\\\\]/g, ']'):match[1];
ctx=ctx[comp];
if (null == ctx || '' == match[3]) break;
expr=expr.substring('[' == match[3] ? match[1].length:match[0].length);
match=pattern.exec(expr);}
return before+String.interpret(ctx);});}});
Template.Pattern=/(^|.|\r|\n)(#\{(.*?)\})/;
var $break={ };
var Enumerable=(function(){
function each(iterator, context){
var index=0;
try{
this._each(function(value){
iterator.call(context, value, index++);});} catch (e){
if (e != $break) throw e;}
return this;}
function eachSlice(number, iterator, context){
var index=-number, slices=[], array=this.toArray();
if (number < 1) return array;
while ((index += number) < array.length)
slices.push(array.slice(index, index+number));
return slices.collect(iterator, context);}
function all(iterator, context){
iterator=iterator || Prototype.K;
var result=true;
this.each(function(value, index){
result=result && !!iterator.call(context, value, index);
if (!result) throw $break;});
return result;}
function any(iterator, context){
iterator=iterator || Prototype.K;
var result=false;
this.each(function(value, index){
if (result=!!iterator.call(context, value, index))
throw $break;});
return result;}
function collect(iterator, context){
iterator=iterator || Prototype.K;
var results=[];
this.each(function(value, index){
results.push(iterator.call(context, value, index));});
return results;}
function detect(iterator, context){
var result;
this.each(function(value, index){
if (iterator.call(context, value, index)){
result=value;
throw $break;}});
return result;}
function findAll(iterator, context){
var results=[];
this.each(function(value, index){
if (iterator.call(context, value, index))
results.push(value);});
return results;}
function grep(filter, iterator, context){
iterator=iterator || Prototype.K;
var results=[];
if (Object.isString(filter))
filter=new RegExp(RegExp.escape(filter));
this.each(function(value, index){
if (filter.match(value))
results.push(iterator.call(context, value, index));});
return results;}
function include(object){
if (Object.isFunction(this.indexOf))
if (this.indexOf(object) != -1) return true;
var found=false;
this.each(function(value){
if (value == object){
found=true;
throw $break;}});
return found;}
function inGroupsOf(number, fillWith){
fillWith=Object.isUndefined(fillWith) ? null:fillWith;
return this.eachSlice(number, function(slice){
while(slice.length < number) slice.push(fillWith);
return slice;});}
function inject(memo, iterator, context){
this.each(function(value, index){
memo=iterator.call(context, memo, value, index);});
return memo;}
function invoke(method){
var args=$A(arguments).slice(1);
return this.map(function(value){
return value[method].apply(value, args);});}
function max(iterator, context){
iterator=iterator || Prototype.K;
var result;
this.each(function(value, index){
value=iterator.call(context, value, index);
if (result == null || value >= result)
result=value;});
return result;}
function min(iterator, context){
iterator=iterator || Prototype.K;
var result;
this.each(function(value, index){
value=iterator.call(context, value, index);
if (result == null || value < result)
result=value;});
return result;}
function partition(iterator, context){
iterator=iterator || Prototype.K;
var trues=[], falses=[];
this.each(function(value, index){
(iterator.call(context, value, index) ?
trues:falses).push(value);});
return [trues, falses];}
function pluck(property){
var results=[];
this.each(function(value){
results.push(value[property]);});
return results;}
function reject(iterator, context){
var results=[];
this.each(function(value, index){
if (!iterator.call(context, value, index))
results.push(value);});
return results;}
function sortBy(iterator, context){
return this.map(function(value, index){
return{
value: value,
criteria: iterator.call(context, value, index)
};}).sort(function(left, right){
var a=left.criteria, b=right.criteria;
return a < b ? -1:a > b ? 1:0;}).pluck('value');}
function toArray(){
return this.map();}
function zip(){
var iterator=Prototype.K, args=$A(arguments);
if (Object.isFunction(args.last()))
iterator=args.pop();
var collections=[this].concat(args).map($A);
return this.map(function(value, index){
return iterator(collections.pluck(index));});}
function size(){
return this.toArray().length;}
function inspect(){
return '#<Enumerable:'+this.toArray().inspect()+'>';}
return{
each: each,
eachSlice: eachSlice,
all: all,
every: all,
any: any,
some: any,
collect: collect,
map: collect,
detect: detect,
findAll: findAll,
select: findAll,
filter: findAll,
grep: grep,
include: include,
member: include,
inGroupsOf: inGroupsOf,
inject: inject,
invoke: invoke,
max: max,
min: min,
partition: partition,
pluck: pluck,
reject: reject,
sortBy: sortBy,
toArray: toArray,
entries: toArray,
zip: zip,
size: size,
inspect: inspect,
find: detect
};})();
function $A(iterable){
if (!iterable) return [];
if ('toArray' in Object(iterable)) return iterable.toArray();
var length=iterable.length || 0, results=new Array(length);
while (length--) results[length]=iterable[length];
return results;}
function $w(string){
if (!Object.isString(string)) return [];
string=string.strip();
return string ? string.split(/\s+/):[];}
Array.from=$A;
(function(){
var arrayProto=Array.prototype,
slice=arrayProto.slice,
_each=arrayProto.forEach;
function each(iterator){
for (var i=0, length=this.length; i < length; i++)
iterator(this[i]);}
if (!_each) _each=each;
function clear(){
this.length=0;
return this;}
function first(){
return this[0];}
function last(){
return this[this.length - 1];}
function compact(){
return this.select(function(value){
return value != null;});}
function flatten(){
return this.inject([], function(array, value){
if (Object.isArray(value))
return array.concat(value.flatten());
array.push(value);
return array;});}
function without(){
var values=slice.call(arguments, 0);
return this.select(function(value){
return !values.include(value);});}
function reverse(inline){
return (inline !== false ? this:this.toArray())._reverse();}
function uniq(sorted){
return this.inject([], function(array, value, index){
if (0 == index || (sorted ? array.last() != value:!array.include(value)))
array.push(value);
return array;});}
function intersect(array){
return this.uniq().findAll(function(item){
return array.detect(function(value){ return item === value });});}
function clone(){
return slice.call(this, 0);}
function size(){
return this.length;}
function inspect(){
return '['+this.map(Object.inspect).join(', ')+']';}
function toJSON(){
var results=[];
this.each(function(object){
var value=Object.toJSON(object);
if (!Object.isUndefined(value)) results.push(value);});
return '['+results.join(', ')+']';}
function indexOf(item, i){
i || (i=0);
var length=this.length;
if (i < 0) i=length+i;
for (; i < length; i++)
if (this[i] === item) return i;
return -1;}
function lastIndexOf(item, i){
i=isNaN(i) ? this.length:(i < 0 ? this.length+i:i)+1;
var n=this.slice(0, i).reverse().indexOf(item);
return (n < 0) ? n:i - n - 1;}
function concat(){
var array=slice.call(this, 0), item;
for (var i=0, length=arguments.length; i < length; i++){
item=arguments[i];
if (Object.isArray(item) && !('callee' in item)){
for (var j=0, arrayLength=item.length; j < arrayLength; j++)
array.push(item[j]);} else{
array.push(item);}}
return array;}
Object.extend(arrayProto, Enumerable);
if (!arrayProto._reverse)
arrayProto._reverse=arrayProto.reverse;
Object.extend(arrayProto,{
_each: _each,
clear: clear,
first: first,
last: last,
compact: compact,
flatten: flatten,
without: without,
reverse: reverse,
uniq: uniq,
intersect: intersect,
clone: clone,
toArray: clone,
size: size,
inspect: inspect,
toJSON: toJSON
});
var CONCAT_ARGUMENTS_BUGGY=(function(){
return [].concat(arguments)[0][0] !== 1;})(1,2)
if (CONCAT_ARGUMENTS_BUGGY) arrayProto.concat=concat;
if (!arrayProto.indexOf) arrayProto.indexOf=indexOf;
if (!arrayProto.lastIndexOf) arrayProto.lastIndexOf=lastIndexOf;})();
function $H(object){
return new Hash(object);};
var Hash=Class.create(Enumerable, (function(){
function initialize(object){
this._object=Object.isHash(object) ? object.toObject():Object.clone(object);}
function _each(iterator){
for (var key in this._object){
var value=this._object[key], pair=[key, value];
pair.key=key;
pair.value=value;
iterator(pair);}}
function set(key, value){
return this._object[key]=value;}
function get(key){
if (this._object[key] !== Object.prototype[key])
return this._object[key];}
function unset(key){
var value=this._object[key];
delete this._object[key];
return value;}
function toObject(){
return Object.clone(this._object);}
function keys(){
return this.pluck('key');}
function values(){
return this.pluck('value');}
function index(value){
var match=this.detect(function(pair){
return pair.value === value;});
return match && match.key;}
function merge(object){
return this.clone().update(object);}
function update(object){
return new Hash(object).inject(this, function(result, pair){
result.set(pair.key, pair.value);
return result;});}
function toQueryPair(key, value){
if (Object.isUndefined(value)) return key;
// return key+'='+encodeURIComponent(String.interpret(value));
return key+'='+escape(String.interpret(value));}
function toQueryString(){
return this.inject([], function(results, pair){
// var key=encodeURIComponent(pair.key), values=pair.value;
var key=escape(pair.key), values=pair.value;
if (values && typeof values == 'object'){
if (Object.isArray(values))
return results.concat(values.map(toQueryPair.curry(key)));} else results.push(toQueryPair(key, values));
return results;}).join('&');}
function inspect(){
return '#<Hash:{'+this.map(function(pair){
return pair.map(Object.inspect).join(': ');}).join(', ')+'}>';}
function toJSON(){
return Object.toJSON(this.toObject());}
function clone(){
return new Hash(this);}
return{
initialize: initialize,
_each: _each,
set: set,
get: get,
unset: unset,
toObject: toObject,
toTemplateReplacements: toObject,
keys: keys,
values: values,
index: index,
merge: merge,
update: update,
toQueryString: toQueryString,
inspect: inspect,
toJSON: toJSON,
clone: clone
};})());
Hash.from=$H;
Object.extend(Number.prototype, (function(){
function toColorPart(){
return this.toPaddedString(2, 16);}
function succ(){
return this+1;}
function times(iterator, context){
$R(0, this, true).each(iterator, context);
return this;}
function toPaddedString(length, radix){
var string=this.toString(radix || 10);
return '0'.times(length - string.length)+string;}
function toJSON(){
return isFinite(this) ? this.toString():'null';}
function abs(){
return Math.abs(this);}
function round(){
return Math.round(this);}
function ceil(){
return Math.ceil(this);}
function floor(){
return Math.floor(this);}
return{
toColorPart: toColorPart,
succ: succ,
times: times,
toPaddedString: toPaddedString,
toJSON: toJSON,
abs: abs,
round: round,
ceil: ceil,
floor: floor
};})());
function $R(start, end, exclusive){
return new ObjectRange(start, end, exclusive);}
var ObjectRange=Class.create(Enumerable, (function(){
function initialize(start, end, exclusive){
this.start=start;
this.end=end;
this.exclusive=exclusive;}
function _each(iterator){
var value=this.start;
while (this.include(value)){
iterator(value);
value=value.succ();}}
function include(value){
if (value < this.start)
return false;
if (this.exclusive)
return value < this.end;
return value <= this.end;}
return{
initialize: initialize,
_each: _each,
include: include
};})());
var Ajax={
getTransport: function(){
return Try.these(
function(){return new XMLHttpRequest()},
function(){return new ActiveXObject('Msxml2.XMLHTTP')},
function(){return new ActiveXObject('Microsoft.XMLHTTP')}
) || false;},
activeRequestCount: 0
};
Ajax.Responders={
responders: [],
_each: function(iterator){
this.responders._each(iterator);},
register: function(responder){
if (!this.include(responder))
this.responders.push(responder);},
unregister: function(responder){
this.responders=this.responders.without(responder);},
dispatch: function(callback, request, transport, json){
this.each(function(responder){
if (Object.isFunction(responder[callback])){
try{
responder[callback].apply(responder, [request, transport, json]);} catch (e){ }}
});}};
Object.extend(Ajax.Responders, Enumerable);
Ajax.Responders.register({
onCreate: function(){ Ajax.activeRequestCount++ },
onComplete: function(){ Ajax.activeRequestCount-- }});
Ajax.Base=Class.create({
initialize: function(options){
this.options={
method: 'post',
asynchronous: true,
contentType: 'application/x-www-form-urlencoded',
encoding: 'UTF-8',
parameters: '',
evalJSON: true,
evalJS: true
};
Object.extend(this.options, options ||{ });
this.options.method=this.options.method.toLowerCase();
if (Object.isString(this.options.parameters))
this.options.parameters=this.options.parameters.toQueryParams();
else if (Object.isHash(this.options.parameters))
this.options.parameters=this.options.parameters.toObject();}});
Ajax.Request=Class.create(Ajax.Base,{
_complete: false,
initialize: function($super, url, options){
$super(options);
this.transport=Ajax.getTransport();
this.request(url);},
request: function(url){
this.url=url;
this.method=this.options.method;
var params=Object.clone(this.options.parameters);
if (!['get', 'post'].include(this.method)){
params['_method']=this.method;
this.method='post';}
this.parameters=params;
if (params=Object.toQueryString(params)){
if (this.method == 'get')
this.url += (this.url.include('?') ? '&':'?')+params;
else if (/Konqueror|Safari|KHTML/.test(navigator.userAgent))
params += '&_=';}
try{
var response=new Ajax.Response(this);
if (this.options.onCreate) this.options.onCreate(response);
Ajax.Responders.dispatch('onCreate', this, response);
this.transport.open(this.method.toUpperCase(), this.url,
this.options.asynchronous);
if (this.options.asynchronous) this.respondToReadyState.bind(this).defer(1);
this.transport.onreadystatechange=this.onStateChange.bind(this);
this.setRequestHeaders();
this.body=this.method == 'post' ? (this.options.postBody || params):null;
this.transport.send(this.body);
/* Force Firefox to handle ready state 4 for synchronous requests */
if (!this.options.asynchronous && this.transport.overrideMimeType)
this.onStateChange();}
catch (e){
this.dispatchException(e);}},
onStateChange: function(){
var readyState=this.transport.readyState;
if (readyState > 1 && !((readyState == 4) && this._complete))
this.respondToReadyState(this.transport.readyState);},
setRequestHeaders: function(){
var headers={
'X-Requested-With': 'XMLHttpRequest',
'X-Prototype-Version': Prototype.Version,
'Accept': 'text/javascript, text/html, application/xml, text/xml, */*'
};
if (this.method == 'post'){
headers['Content-type']=this.options.contentType +
(this.options.encoding ? '; charset='+this.options.encoding:'');
if (this.transport.overrideMimeType &&
(navigator.userAgent.match(/Gecko\/(\d{4})/) || [0,2005])[1] < 2005)
headers['Connection']='close';}
if (typeof this.options.requestHeaders == 'object'){
var extras=this.options.requestHeaders;
if (Object.isFunction(extras.push))
for (var i=0, length=extras.length; i < length; i += 2)
headers[extras[i]]=extras[i+1];
else
$H(extras).each(function(pair){ headers[pair.key]=pair.value });}
for (var name in headers)
this.transport.setRequestHeader(name, headers[name]);},
success: function(){
var status=this.getStatus();
return !status || (status >= 200 && status < 300);},
getStatus: function(){
try{
return this.transport.status || 0;} catch (e){ return 0 }},
respondToReadyState: function(readyState){
var state=Ajax.Request.Events[readyState], response=new Ajax.Response(this);
if (state == 'Complete'){
try{
this._complete=true;
(this.options['on'+response.status]
|| this.options['on'+(this.success() ? 'Success':'Failure')]
|| Prototype.emptyFunction)(response, response.headerJSON);} catch (e){
this.dispatchException(e);}
var contentType=response.getHeader('Content-type');
if (this.options.evalJS == 'force'
|| (this.options.evalJS && this.isSameOrigin() && contentType
&& contentType.match(/^\s*(text|application)\/(x-)?(java|ecma)script(;.*)?\s*$/i)))
this.evalResponse();}
try{
(this.options['on'+state] || Prototype.emptyFunction)(response, response.headerJSON);
Ajax.Responders.dispatch('on'+state, this, response, response.headerJSON);} catch (e){
this.dispatchException(e);}
if (state == 'Complete'){
this.transport.onreadystatechange=Prototype.emptyFunction;}},
isSameOrigin: function(){
var m=this.url.match(/^\s*https?:\/\/[^\/]*/);
return !m || (m[0] == '#{protocol}//#{domain}#{port}'.interpolate({
protocol: location.protocol,
domain: document.domain,
port: location.port ? ':'+location.port:''
}));},
getHeader: function(name){
try{
return this.transport.getResponseHeader(name) || null;} catch (e){ return null;}},
evalResponse: function(){
try{
return eval((this.transport.responseText || '').unfilterJSON());} catch (e){
this.dispatchException(e);}},
dispatchException: function(exception){
(this.options.onException || Prototype.emptyFunction)(this, exception);
Ajax.Responders.dispatch('onException', this, exception);}});
Ajax.Request.Events =
['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];
Ajax.Response=Class.create({
initialize: function(request){
this.request=request;
var transport=this.transport=request.transport,
readyState=this.readyState=transport.readyState;
if((readyState > 2 && !Prototype.Browser.IE) || readyState == 4){
this.status=this.getStatus();
this.statusText=this.getStatusText();
this.responseText=String.interpret(transport.responseText);
this.headerJSON=this._getHeaderJSON();}
if(readyState == 4){
var xml=transport.responseXML;
this.responseXML=Object.isUndefined(xml) ? null:xml;
this.responseJSON=this._getResponseJSON();}},
status: 0,
statusText: '',
getStatus: Ajax.Request.prototype.getStatus,
getStatusText: function(){
try{
return this.transport.statusText || '';} catch (e){ return '' }},
getHeader: Ajax.Request.prototype.getHeader,
getAllHeaders: function(){
try{
return this.getAllResponseHeaders();} catch (e){ return null }},
getResponseHeader: function(name){
return this.transport.getResponseHeader(name);},
getAllResponseHeaders: function(){
return this.transport.getAllResponseHeaders();},
_getHeaderJSON: function(){
var json=this.getHeader('X-JSON');
if (!json) return null;
json=decodeURIComponent(escape(json));
try{
return json.evalJSON(this.request.options.sanitizeJSON ||
!this.request.isSameOrigin());} catch (e){
this.request.dispatchException(e);}},
_getResponseJSON: function(){
var options=this.request.options;
if (!options.evalJSON || (options.evalJSON != 'force' &&
!(this.getHeader('Content-type') || '').include('application/json')) ||
this.responseText.blank())
return null;
try{
return this.responseText.evalJSON(options.sanitizeJSON ||
!this.request.isSameOrigin());} catch (e){
this.request.dispatchException(e);}}
});
Ajax.Updater=Class.create(Ajax.Request,{
initialize: function($super, container, url, options){
this.container={
success: (container.success || container),
failure: (container.failure || (container.success ? null:container))
};
options=Object.clone(options);
var onComplete=options.onComplete;
options.onComplete=(function(response, json){
this.updateContent(response.responseText);
if (Object.isFunction(onComplete)) onComplete(response, json);}).bind(this);
$super(url, options);},
updateContent: function(responseText){
var receiver=this.container[this.success() ? 'success':'failure'],
options=this.options;
if (!options.evalScripts) responseText=responseText.stripScripts();
if (receiver=$(receiver)){
if (options.insertion){
if (Object.isString(options.insertion)){
var insertion={ }; insertion[options.insertion]=responseText;
receiver.insert(insertion);}
else options.insertion(receiver, responseText);}
else receiver.update(responseText);}}
});
Ajax.PeriodicalUpdater=Class.create(Ajax.Base,{
initialize: function($super, container, url, options){
$super(options);
this.onComplete=this.options.onComplete;
this.frequency=(this.options.frequency || 2);
this.decay=(this.options.decay || 1);
this.updater={ };
this.container=container;
this.url=url;
this.start();},
start: function(){
this.options.onComplete=this.updateComplete.bind(this);
this.onTimerEvent();},
stop: function(){
this.updater.options.onComplete=undefined;
clearTimeout(this.timer);
(this.onComplete || Prototype.emptyFunction).apply(this, arguments);},
updateComplete: function(response){
if (this.options.decay){
this.decay=(response.responseText == this.lastText ?
this.decay * this.options.decay:1);
this.lastText=response.responseText;}
this.timer=this.onTimerEvent.bind(this).delay(this.decay * this.frequency);},
onTimerEvent: function(){
this.updater=new Ajax.Updater(this.container, this.url, this.options);}});
function $(element){
if (arguments.length > 1){
for (var i=0, elements=[], length=arguments.length; i < length; i++)
elements.push($(arguments[i]));
return elements;}
if (Object.isString(element))
element=document.getElementById(element);
return Element.extend(element);}
if (Prototype.BrowserFeatures.XPath){
document._getElementsByXPath=function(expression, parentElement){
var results=[];
var query=document.evaluate(expression, $(parentElement) || document,
null, XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
for (var i=0, length=query.snapshotLength; i < length; i++)
results.push(Element.extend(query.snapshotItem(i)));
return results;};}
if (!window.Node) var Node={ };
if (!Node.ELEMENT_NODE){
Object.extend(Node,{
ELEMENT_NODE: 1,
ATTRIBUTE_NODE: 2,
TEXT_NODE: 3,
CDATA_SECTION_NODE: 4,
ENTITY_REFERENCE_NODE: 5,
ENTITY_NODE: 6,
PROCESSING_INSTRUCTION_NODE: 7,
COMMENT_NODE: 8,
DOCUMENT_NODE: 9,
DOCUMENT_TYPE_NODE: 10,
DOCUMENT_FRAGMENT_NODE: 11,
NOTATION_NODE: 12
});}
(function(global){
var SETATTRIBUTE_IGNORES_NAME=(function(){
var elForm=document.createElement("form");
var elInput=document.createElement("input");
var root=document.documentElement;
elInput.setAttribute("name", "test");
elForm.appendChild(elInput);
root.appendChild(elForm);
var isBuggy=elForm.elements
? (typeof elForm.elements.test == "undefined")
: null;
root.removeChild(elForm);
elForm=elInput=null;
return isBuggy;})();
var element=global.Element;
global.Element=function(tagName, attributes){
attributes=attributes ||{ };
tagName=tagName.toLowerCase();
var cache=Element.cache;
if (SETATTRIBUTE_IGNORES_NAME && attributes.name){
tagName='<'+tagName+' name="'+attributes.name+'">';
delete attributes.name;
return Element.writeAttribute(document.createElement(tagName), attributes);}
if (!cache[tagName]) cache[tagName]=Element.extend(document.createElement(tagName));
return Element.writeAttribute(cache[tagName].cloneNode(false), attributes);};
Object.extend(global.Element, element ||{ });
if (element) global.Element.prototype=element.prototype;})(this);
Element.cache={ };
Element.idCounter=1;
Element.Methods={
visible: function(element){
return $(element).style.display != 'none';},
toggle: function(element){
element=$(element);
Element[Element.visible(element) ? 'hide':'show'](element);
return element;},
hide: function(element){
element=$(element);
element.style.display='none';
return element;},
show: function(element){
element=$(element);
element.style.display='';
return element;},
remove: function(element){
element=$(element);
element.parentNode.removeChild(element);
return element;},
update: (function(){
var SELECT_ELEMENT_INNERHTML_BUGGY=(function(){
var el=document.createElement("select"),
isBuggy=true;
el.innerHTML="<option value=\"test\">test</option>";
if (el.options && el.options[0]){
isBuggy=el.options[0].nodeName.toUpperCase() !== "OPTION";}
el=null;
return isBuggy;})();
var TABLE_ELEMENT_INNERHTML_BUGGY=(function(){
try{
var el=document.createElement("table");
if (el && el.tBodies){
el.innerHTML="<tbody><tr><td>test</td></tr></tbody>";
var isBuggy=typeof el.tBodies[0] == "undefined";
el=null;
return isBuggy;}} catch (e){
return true;}})();
var SCRIPT_ELEMENT_REJECTS_TEXTNODE_APPENDING=(function (){
var s=document.createElement("script"),
isBuggy=false;
try{
s.appendChild(document.createTextNode(""));
isBuggy=!s.firstChild ||
s.firstChild && s.firstChild.nodeType !== 3;} catch (e){
isBuggy=true;}
s=null;
return isBuggy;})();
function update(element, content){
element=$(element);
if (content && content.toElement)
content=content.toElement();
if (Object.isElement(content))
return element.update().insert(content);
content=Object.toHTML(content);
var tagName=element.tagName.toUpperCase();
if (tagName === 'SCRIPT' && SCRIPT_ELEMENT_REJECTS_TEXTNODE_APPENDING){
element.text=content;
return element;}
if (SELECT_ELEMENT_INNERHTML_BUGGY || TABLE_ELEMENT_INNERHTML_BUGGY){
if (tagName in Element._insertionTranslations.tags){
while (element.firstChild){
element.removeChild(element.firstChild);}
Element._getContentFromAnonymousElement(tagName, content.stripScripts())
.each(function(node){
element.appendChild(node)
});}
else{
element.innerHTML=content.stripScripts();}}
else{
element.innerHTML=content.stripScripts();}
content.evalScripts.bind(content).defer();
return element;}
return update;})(),
replace: function(element, content){
element=$(element);
if (content && content.toElement) content=content.toElement();
else if (!Object.isElement(content)){
content=Object.toHTML(content);
var range=element.ownerDocument.createRange();
range.selectNode(element);
content.evalScripts.bind(content).defer();
content=range.createContextualFragment(content.stripScripts());}
element.parentNode.replaceChild(content, element);
return element;},
insert: function(element, insertions){
element=$(element);
if (Object.isString(insertions) || Object.isNumber(insertions) ||
Object.isElement(insertions) || (insertions && (insertions.toElement || insertions.toHTML)))
insertions={bottom:insertions};
var content, insert, tagName, childNodes;
for (var position in insertions){
content=insertions[position];
position=position.toLowerCase();
insert=Element._insertionTranslations[position];
if (content && content.toElement) content=content.toElement();
if (Object.isElement(content)){
insert(element, content);
continue;}
content=Object.toHTML(content);
tagName=((position == 'before' || position == 'after')
? element.parentNode:element).tagName.toUpperCase();
childNodes=Element._getContentFromAnonymousElement(tagName, content.stripScripts());
if (position == 'top' || position == 'after') childNodes.reverse();
childNodes.each(insert.curry(element));
content.evalScripts.bind(content).defer();}
return element;},
wrap: function(element, wrapper, attributes){
element=$(element);
if (Object.isElement(wrapper))
$(wrapper).writeAttribute(attributes ||{ });
else if (Object.isString(wrapper)) wrapper=new Element(wrapper, attributes);
else wrapper=new Element('div', wrapper);
if (element.parentNode)
element.parentNode.replaceChild(wrapper, element);
wrapper.appendChild(element);
return wrapper;},
inspect: function(element){
element=$(element);
var result='<'+element.tagName.toLowerCase();
$H({'id': 'id', 'className': 'class'}).each(function(pair){
var property=pair.first(), attribute=pair.last();
var value=(element[property] || '').toString();
if (value) result += ' '+attribute+'='+value.inspect(true);});
return result+'>';},
recursivelyCollect: function(element, property){
element=$(element);
var elements=[];
while (element=element[property])
if (element.nodeType == 1)
elements.push(Element.extend(element));
return elements;},
ancestors: function(element){
return Element.recursivelyCollect(element, 'parentNode');},
descendants: function(element){
return Element.select(element, "*");},
firstDescendant: function(element){
element=$(element).firstChild;
while (element && element.nodeType != 1) element=element.nextSibling;
return $(element);},
immediateDescendants: function(element){
if (!(element=$(element).firstChild)) return [];
while (element && element.nodeType != 1) element=element.nextSibling;
if (element) return [element].concat($(element).nextSiblings());
return [];},
previousSiblings: function(element){
return Element.recursivelyCollect(element, 'previousSibling');},
nextSiblings: function(element){
return Element.recursivelyCollect(element, 'nextSibling');},
siblings: function(element){
element=$(element);
return Element.previousSiblings(element).reverse()
.concat(Element.nextSiblings(element));},
match: function(element, selector){
if (Object.isString(selector))
selector=new Selector(selector);
return selector.match($(element));},
up: function(element, expression, index){
element=$(element);
if (arguments.length == 1) return $(element.parentNode);
var ancestors=Element.ancestors(element);
return Object.isNumber(expression) ? ancestors[expression] :
Selector.findElement(ancestors, expression, index);},
down: function(element, expression, index){
element=$(element);
if (arguments.length == 1) return Element.firstDescendant(element);
return Object.isNumber(expression) ? Element.descendants(element)[expression] :
Element.select(element, expression)[index || 0];},
previous: function(element, expression, index){
element=$(element);
if (arguments.length == 1) return $(Selector.handlers.previousElementSibling(element));
var previousSiblings=Element.previousSiblings(element);
return Object.isNumber(expression) ? previousSiblings[expression] :
Selector.findElement(previousSiblings, expression, index);},
next: function(element, expression, index){
element=$(element);
if (arguments.length == 1) return $(Selector.handlers.nextElementSibling(element));
var nextSiblings=Element.nextSiblings(element);
return Object.isNumber(expression) ? nextSiblings[expression] :
Selector.findElement(nextSiblings, expression, index);},
select: function(element){
var args=Array.prototype.slice.call(arguments, 1);
return Selector.findChildElements(element, args);},
adjacent: function(element){
var args=Array.prototype.slice.call(arguments, 1);
return Selector.findChildElements(element.parentNode, args).without(element);},
identify: function(element){
element=$(element);
var id=Element.readAttribute(element, 'id');
if (id) return id;
do{ id='anonymous_element_'+Element.idCounter++ } while ($(id));
Element.writeAttribute(element, 'id', id);
return id;},
readAttribute: function(element, name){
element=$(element);
if (Prototype.Browser.IE){
var t=Element._attributeTranslations.read;
if (t.values[name]) return t.values[name](element, name);
if (t.names[name]) name=t.names[name];
if (name.include(':')){
return (!element.attributes || !element.attributes[name]) ? null :
element.attributes[name].value;}}
return element.getAttribute(name);},
writeAttribute: function(element, name, value){
element=$(element);
var attributes={ }, t=Element._attributeTranslations.write;
if (typeof name == 'object') attributes=name;
else attributes[name]=Object.isUndefined(value) ? true:value;
for (var attr in attributes){
name=t.names[attr] || attr;
value=attributes[attr];
if (t.values[attr]) name=t.values[attr](element, value);
if (value === false || value === null)
element.removeAttribute(name);
else if (value === true)
element.setAttribute(name, name);
else element.setAttribute(name, value);}
return element;},
getHeight: function(element){
return Element.getDimensions(element).height;},
getWidth: function(element){
return Element.getDimensions(element).width;},
classNames: function(element){
return new Element.ClassNames(element);},
hasClassName: function(element, className){
if (!(element=$(element))) return;
var elementClassName=element.className;
return (elementClassName.length > 0 && (elementClassName == className ||
new RegExp("(^|\\s)"+className+"(\\s|$)").test(elementClassName)));},
addClassName: function(element, className){
if (!(element=$(element))) return;
if (!Element.hasClassName(element, className))
element.className += (element.className ? ' ':'')+className;
return element;},
removeClassName: function(element, className){
if (!(element=$(element))) return;
element.className=element.className.replace(
new RegExp("(^|\\s+)"+className+"(\\s+|$)"), ' ').strip();
return element;},
toggleClassName: function(element, className){
if (!(element=$(element))) return;
return Element[Element.hasClassName(element, className) ?
'removeClassName':'addClassName'](element, className);},
cleanWhitespace: function(element){
element=$(element);
var node=element.firstChild;
while (node){
var nextNode=node.nextSibling;
if (node.nodeType == 3 && !/\S/.test(node.nodeValue))
element.removeChild(node);
node=nextNode;}
return element;},
empty: function(element){
return $(element).innerHTML.blank();},
descendantOf: function(element, ancestor){
element=$(element), ancestor=$(ancestor);
if (element.compareDocumentPosition)
return (element.compareDocumentPosition(ancestor) & 8) === 8;
if (ancestor.contains)
return ancestor.contains(element) && ancestor !== element;
while (element=element.parentNode)
if (element == ancestor) return true;
return false;},
scrollTo: function(element){
element=$(element);
var pos=Element.cumulativeOffset(element);
window.scrollTo(pos[0], pos[1]);
return element;},
getStyle: function(element, style){
element=$(element);
style=style == 'float' ? 'cssFloat':style.camelize();
var value=element.style[style];
if (!value || value == 'auto'){
var css=document.defaultView.getComputedStyle(element, null);
value=css ? css[style]:null;}
if (style == 'opacity') return value ? parseFloat(value):1.0;
return value == 'auto' ? null:value;},
getOpacity: function(element){
return $(element).getStyle('opacity');},
setStyle: function(element, styles){
element=$(element);
var elementStyle=element.style, match;
if (Object.isString(styles)){
element.style.cssText += ';'+styles;
return styles.include('opacity') ?
element.setOpacity(styles.match(/opacity:\s*(\d?\.?\d*)/)[1]):element;}
for (var property in styles)
if (property == 'opacity') element.setOpacity(styles[property]);
else
elementStyle[(property == 'float' || property == 'cssFloat') ?
(Object.isUndefined(elementStyle.styleFloat) ? 'cssFloat':'styleFloat') :
property]=styles[property];
return element;},
setOpacity: function(element, value){
element=$(element);
element.style.opacity=(value == 1 || value === '') ? '' :
(value < 0.00001) ? 0:value;
return element;},
getDimensions: function(element){
element=$(element);
var display=Element.getStyle(element, 'display');
if (display != 'none' && display != null)
return{width: element.offsetWidth, height: element.offsetHeight};
var els=element.style;
var originalVisibility=els.visibility;
var originalPosition=els.position;
var originalDisplay=els.display;
els.visibility='hidden';
if (originalPosition != 'fixed')
els.position='absolute';
els.display='block';
var originalWidth=element.clientWidth;
var originalHeight=element.clientHeight;
els.display=originalDisplay;
els.position=originalPosition;
els.visibility=originalVisibility;
return{width: originalWidth, height: originalHeight};},
makePositioned: function(element){
element=$(element);
var pos=Element.getStyle(element, 'position');
if (pos == 'static' || !pos){
element._madePositioned=true;
element.style.position='relative';
if (Prototype.Browser.Opera){
element.style.top=0;
element.style.left=0;}}
return element;},
undoPositioned: function(element){
element=$(element);
if (element._madePositioned){
element._madePositioned=undefined;
element.style.position =
element.style.top =
element.style.left =
element.style.bottom =
element.style.right='';}
return element;},
makeClipping: function(element){
element=$(element);
if (element._overflow) return element;
element._overflow=Element.getStyle(element, 'overflow') || 'auto';
if (element._overflow !== 'hidden')
element.style.overflow='hidden';
return element;},
undoClipping: function(element){
element=$(element);
if (!element._overflow) return element;
element.style.overflow=element._overflow == 'auto' ? '':element._overflow;
element._overflow=null;
return element;},
cumulativeOffset: function(element){
var valueT=0, valueL=0;
do{
valueT += element.offsetTop || 0;
valueL += element.offsetLeft || 0;
element=element.offsetParent;} while (element);
return Element._returnOffset(valueL, valueT);},
positionedOffset: function(element){
var valueT=0, valueL=0;
do{
valueT += element.offsetTop || 0;
valueL += element.offsetLeft || 0;
element=element.offsetParent;
if (element){
if (element.tagName.toUpperCase() == 'BODY') break;
var p=Element.getStyle(element, 'position');
if (p !== 'static') break;}} while (element);
return Element._returnOffset(valueL, valueT);},
absolutize: function(element){
element=$(element);
if (Element.getStyle(element, 'position') == 'absolute') return element;
var offsets=Element.positionedOffset(element);
var top=offsets[1];
var left=offsets[0];
var width=element.clientWidth;
var height=element.clientHeight;
element._originalLeft=left - parseFloat(element.style.left || 0);
element._originalTop=top - parseFloat(element.style.top || 0);
element._originalWidth=element.style.width;
element._originalHeight=element.style.height;
element.style.position='absolute';
element.style.top=top+'px';
element.style.left=left+'px';
element.style.width=width+'px';
element.style.height=height+'px';
return element;},
relativize: function(element){
element=$(element);
if (Element.getStyle(element, 'position') == 'relative') return element;
element.style.position='relative';
var top=parseFloat(element.style.top || 0) - (element._originalTop || 0);
var left=parseFloat(element.style.left || 0) - (element._originalLeft || 0);
element.style.top=top+'px';
element.style.left=left+'px';
element.style.height=element._originalHeight;
element.style.width=element._originalWidth;
return element;},
cumulativeScrollOffset: function(element){
var valueT=0, valueL=0;
do{
valueT += element.scrollTop || 0;
valueL += element.scrollLeft || 0;
element=element.parentNode;} while (element);
return Element._returnOffset(valueL, valueT);},
getOffsetParent: function(element){
if (element.offsetParent) return $(element.offsetParent);
if (element == document.body) return $(element);
while ((element=element.parentNode) && element != document.body)
if (Element.getStyle(element, 'position') != 'static')
return $(element);
return $(document.body);},
viewportOffset: function(forElement){
var valueT=0, valueL=0;
var element=forElement;
do{
valueT += element.offsetTop || 0;
valueL += element.offsetLeft || 0;
if (element.offsetParent == document.body &&
Element.getStyle(element, 'position') == 'absolute') break;} while (element=element.offsetParent);
element=forElement;
do{
if (!Prototype.Browser.Opera || (element.tagName && (element.tagName.toUpperCase() == 'BODY'))){
valueT -= element.scrollTop || 0;
valueL -= element.scrollLeft || 0;}} while (element=element.parentNode);
return Element._returnOffset(valueL, valueT);},
clonePosition: function(element, source){
var options=Object.extend({
setLeft: true,
setTop: true,
setWidth: true,
setHeight: true,
offsetTop: 0,
offsetLeft: 0
}, arguments[2] ||{ });
source=$(source);
var p=Element.viewportOffset(source);
element=$(element);
var delta=[0, 0];
var parent=null;
if (Element.getStyle(element, 'position') == 'absolute'){
parent=Element.getOffsetParent(element);
delta=Element.viewportOffset(parent);}
if (parent == document.body){
delta[0] -= document.body.offsetLeft;
delta[1] -= document.body.offsetTop;}
if (options.setLeft) element.style.left=(p[0] - delta[0]+options.offsetLeft)+'px';
if (options.setTop) element.style.top=(p[1] - delta[1]+options.offsetTop)+'px';
if (options.setWidth) element.style.width=source.offsetWidth+'px';
if (options.setHeight) element.style.height=source.offsetHeight+'px';
return element;}};
Object.extend(Element.Methods,{
getElementsBySelector: Element.Methods.select,
childElements: Element.Methods.immediateDescendants
});
Element._attributeTranslations={
write:{
names:{
className: 'class',
htmlFor: 'for'
},
values:{ }}
};
if (Prototype.Browser.Opera){
Element.Methods.getStyle=Element.Methods.getStyle.wrap(
function(proceed, element, style){
switch (style){
case 'left': case 'top': case 'right': case 'bottom':
if (proceed(element, 'position') === 'static') return null;
case 'height': case 'width':
if (!Element.visible(element)) return null;
var dim=parseInt(proceed(element, style), 10);
if (dim !== element['offset'+style.capitalize()])
return dim+'px';
var properties;
if (style === 'height'){
properties=['border-top-width', 'padding-top',
'padding-bottom', 'border-bottom-width'];}
else{
properties=['border-left-width', 'padding-left',
'padding-right', 'border-right-width'];}
return properties.inject(dim, function(memo, property){
var val=proceed(element, property);
return val === null ? memo:memo - parseInt(val, 10);})+'px';
default: return proceed(element, style);}}
);
Element.Methods.readAttribute=Element.Methods.readAttribute.wrap(
function(proceed, element, attribute){
if (attribute === 'title') return element.title;
return proceed(element, attribute);}
);}
else if (Prototype.Browser.IE){
Element.Methods.getOffsetParent=Element.Methods.getOffsetParent.wrap(
function(proceed, element){
element=$(element);
try{ element.offsetParent }
catch(e){ return $(document.body) }
var position=element.getStyle('position');
if (position !== 'static') return proceed(element);
element.setStyle({ position: 'relative' });
var value=proceed(element);
element.setStyle({ position: position });
return value;}
);
$w('positionedOffset viewportOffset').each(function(method){
Element.Methods[method]=Element.Methods[method].wrap(
function(proceed, element){
element=$(element);
try{ element.offsetParent }
catch(e){ return Element._returnOffset(0,0) }
var position=element.getStyle('position');
if (position !== 'static') return proceed(element);
var offsetParent=element.getOffsetParent();
if (offsetParent && offsetParent.getStyle('position') === 'fixed')
offsetParent.setStyle({ zoom: 1 });
element.setStyle({ position: 'relative' });
var value=proceed(element);
element.setStyle({ position: position });
return value;}
);});
Element.Methods.cumulativeOffset=Element.Methods.cumulativeOffset.wrap(
function(proceed, element){
try{ element.offsetParent }
catch(e){ return Element._returnOffset(0,0) }
return proceed(element);}
);
Element.Methods.getStyle=function(element, style){
element=$(element);
style=(style == 'float' || style == 'cssFloat') ? 'styleFloat':style.camelize();
var value=element.style[style];
if (!value && element.currentStyle) value=element.currentStyle[style];
if (style == 'opacity'){
if (value=(element.getStyle('filter') || '').match(/alpha\(opacity=(.*)\)/))
if (value[1]) return parseFloat(value[1]) / 100;
return 1.0;}
if (value == 'auto'){
if ((style == 'width' || style == 'height') && (element.getStyle('display') != 'none'))
return element['offset'+style.capitalize()]+'px';
return null;}
return value;};
Element.Methods.setOpacity=function(element, value){
function stripAlpha(filter){
return filter.replace(/alpha\([^\)]*\)/gi,'');}
element=$(element);
var currentStyle=element.currentStyle;
if ((currentStyle && !currentStyle.hasLayout) ||
(!currentStyle && element.style.zoom == 'normal'))
element.style.zoom=1;
var filter=element.getStyle('filter'), style=element.style;
if (value == 1 || value === ''){
(filter=stripAlpha(filter)) ?
style.filter=filter:style.removeAttribute('filter');
return element;} else if (value < 0.00001) value=0;
style.filter=stripAlpha(filter) +
'alpha(opacity='+(value * 100)+')';
return element;};
Element._attributeTranslations=(function(){
var classProp='className';
var forProp='for';
var el=document.createElement('div');
el.setAttribute(classProp, 'x');
if (el.className !== 'x'){
el.setAttribute('class', 'x');
if (el.className === 'x'){
classProp='class';}}
el=null;
el=document.createElement('label');
el.setAttribute(forProp, 'x');
if (el.htmlFor !== 'x'){
el.setAttribute('htmlFor', 'x');
if (el.htmlFor === 'x'){
forProp='htmlFor';}}
el=null;
return{
read:{
names:{
'class': classProp,
'className': classProp,
'for': forProp,
'htmlFor': forProp
},
values:{
_getAttr: function(element, attribute){
return element.getAttribute(attribute);},
_getAttr2: function(element, attribute){
return element.getAttribute(attribute, 2);},
_getAttrNode: function(element, attribute){
var node=element.getAttributeNode(attribute);
return node ? node.value:"";},
_getEv: (function(){
var el=document.createElement('div');
el.onclick=Prototype.emptyFunction;
var value=el.getAttribute('onclick');
var f;
if (String(value).indexOf('{') > -1){
f=function(element, attribute){
attribute=element.getAttribute(attribute);
if (!attribute) return null;
attribute=attribute.toString();
attribute=attribute.split('{')[1];
attribute=attribute.split('}')[0];
return attribute.strip();};}
else if (value === ''){
f=function(element, attribute){
attribute=element.getAttribute(attribute);
if (!attribute) return null;
return attribute.strip();};}
el=null;
return f;})(),
_flag: function(element, attribute){
return $(element).hasAttribute(attribute) ? attribute:null;},
style: function(element){
return element.style.cssText.toLowerCase();},
title: function(element){
return element.title;}}
}}
})();
Element._attributeTranslations.write={
names: Object.extend({
cellpadding: 'cellPadding',
cellspacing: 'cellSpacing'
}, Element._attributeTranslations.read.names),
values:{
checked: function(element, value){
element.checked=!!value;},
style: function(element, value){
element.style.cssText=value ? value:'';}}
};
Element._attributeTranslations.has={};
$w('colSpan rowSpan vAlign dateTime accessKey tabIndex ' +
'encType maxLength readOnly longDesc frameBorder').each(function(attr){
Element._attributeTranslations.write.names[attr.toLowerCase()]=attr;
Element._attributeTranslations.has[attr.toLowerCase()]=attr;});
(function(v){
Object.extend(v,{
href: v._getAttr2,
src: v._getAttr2,
type: v._getAttr,
action: v._getAttrNode,
disabled: v._flag,
checked: v._flag,
readonly: v._flag,
multiple: v._flag,
onload: v._getEv,
onunload: v._getEv,
onclick: v._getEv,
ondblclick: v._getEv,
onmousedown: v._getEv,
onmouseup: v._getEv,
onmouseover: v._getEv,
onmousemove: v._getEv,
onmouseout: v._getEv,
onfocus: v._getEv,
onblur: v._getEv,
onkeypress: v._getEv,
onkeydown: v._getEv,
onkeyup: v._getEv,
onsubmit: v._getEv,
onreset: v._getEv,
onselect: v._getEv,
onchange: v._getEv
});})(Element._attributeTranslations.read.values);
if (Prototype.BrowserFeatures.ElementExtensions){
(function(){
function _descendants(element){
var nodes=element.getElementsByTagName('*'), results=[];
for (var i=0, node; node=nodes[i]; i++)
if (node.tagName !== "!") // Filter out comment nodes.
results.push(node);
return results;}
Element.Methods.down=function(element, expression, index){
element=$(element);
if (arguments.length == 1) return element.firstDescendant();
return Object.isNumber(expression) ? _descendants(element)[expression] :
Element.select(element, expression)[index || 0];}})();}}
else if (Prototype.Browser.Gecko && /rv:1\.8\.0/.test(navigator.userAgent)){
Element.Methods.setOpacity=function(element, value){
element=$(element);
element.style.opacity=(value == 1) ? 0.999999 :
(value === '') ? '':(value < 0.00001) ? 0:value;
return element;};}
else if (Prototype.Browser.WebKit){
Element.Methods.setOpacity=function(element, value){
element=$(element);
element.style.opacity=(value == 1 || value === '') ? '' :
(value < 0.00001) ? 0:value;
if (value == 1)
if(element.tagName.toUpperCase() == 'IMG' && element.width){
element.width++; element.width--;} else try{
var n=document.createTextNode(' ');
element.appendChild(n);
element.removeChild(n);} catch (e){ }
return element;};
Element.Methods.cumulativeOffset=function(element){
var valueT=0, valueL=0;
do{
valueT += element.offsetTop || 0;
valueL += element.offsetLeft || 0;
if (element.offsetParent == document.body)
if (Element.getStyle(element, 'position') == 'absolute') break;
element=element.offsetParent;} while (element);
return Element._returnOffset(valueL, valueT);};}
if ('outerHTML' in document.documentElement){
Element.Methods.replace=function(element, content){
element=$(element);
if (content && content.toElement) content=content.toElement();
if (Object.isElement(content)){
element.parentNode.replaceChild(content, element);
return element;}
content=Object.toHTML(content);
var parent=element.parentNode, tagName=parent.tagName.toUpperCase();
if (Element._insertionTranslations.tags[tagName]){
var nextSibling=element.next();
var fragments=Element._getContentFromAnonymousElement(tagName, content.stripScripts());
parent.removeChild(element);
if (nextSibling)
fragments.each(function(node){ parent.insertBefore(node, nextSibling) });
else
fragments.each(function(node){ parent.appendChild(node) });}
else element.outerHTML=content.stripScripts();
content.evalScripts.bind(content).defer();
return element;};}
Element._returnOffset=function(l, t){
var result=[l, t];
result.left=l;
result.top=t;
return result;};
Element._getContentFromAnonymousElement=function(tagName, html){
var div=new Element('div'), t=Element._insertionTranslations.tags[tagName];
if (t){
div.innerHTML=t[0]+html+t[1];
t[2].times(function(){ div=div.firstChild });} else div.innerHTML=html;
return $A(div.childNodes);};
Element._insertionTranslations={
before: function(element, node){
element.parentNode.insertBefore(node, element);},
top: function(element, node){
element.insertBefore(node, element.firstChild);},
bottom: function(element, node){
element.appendChild(node);},
after: function(element, node){
element.parentNode.insertBefore(node, element.nextSibling);},
tags:{
TABLE: ['<table>', '</table>', 1],
TBODY: ['<table><tbody>', '</tbody></table>', 2],
TR: ['<table><tbody><tr>', '</tr></tbody></table>', 3],
TD: ['<table><tbody><tr><td>', '</td></tr></tbody></table>', 4],
SELECT: ['<select>', '</select>', 1]
}};
(function(){
var tags=Element._insertionTranslations.tags;
Object.extend(tags,{
THEAD: tags.TBODY,
TFOOT: tags.TBODY,
TH: tags.TD
});})();
Element.Methods.Simulated={
hasAttribute: function(element, attribute){
attribute=Element._attributeTranslations.has[attribute] || attribute;
var node=$(element).getAttributeNode(attribute);
return !!(node && node.specified);}};
Element.Methods.ByTag={ };
Object.extend(Element, Element.Methods);
(function(div){
if (!Prototype.BrowserFeatures.ElementExtensions && div['__proto__']){
window.HTMLElement={ };
window.HTMLElement.prototype=div['__proto__'];
Prototype.BrowserFeatures.ElementExtensions=true;}
div=null;})(document.createElement('div'))
Element.extend=(function(){
function checkDeficiency(tagName){
if (typeof window.Element != 'undefined'){
var proto=window.Element.prototype;
if (proto){
var id='_'+(Math.random()+'').slice(2);
var el=document.createElement(tagName);
proto[id]='x';
var isBuggy=(el[id] !== 'x');
delete proto[id];
el=null;
return isBuggy;}}
return false;}
function extendElementWith(element, methods){
for (var property in methods){
var value=methods[property];
if (Object.isFunction(value) && !(property in element))
element[property]=value.methodize();}}
var HTMLOBJECTELEMENT_PROTOTYPE_BUGGY=checkDeficiency('object');
if (Prototype.BrowserFeatures.SpecificElementExtensions){
if (HTMLOBJECTELEMENT_PROTOTYPE_BUGGY){
return function(element){
if (element && typeof element._extendedByPrototype == 'undefined'){
var t=element.tagName;
if (t && (/^(?:object|applet|embed)$/i.test(t))){
extendElementWith(element, Element.Methods);
extendElementWith(element, Element.Methods.Simulated);
extendElementWith(element, Element.Methods.ByTag[t.toUpperCase()]);}}
return element;}}
return Prototype.K;}
var Methods={ }, ByTag=Element.Methods.ByTag;
var extend=Object.extend(function(element){
if (!element || typeof element._extendedByPrototype != 'undefined' ||
element.nodeType != 1 || element == window) return element;
var methods=Object.clone(Methods),
tagName=element.tagName.toUpperCase();
if (ByTag[tagName]) Object.extend(methods, ByTag[tagName]);
extendElementWith(element, methods);
element._extendedByPrototype=Prototype.emptyFunction;
return element;},{
refresh: function(){
if (!Prototype.BrowserFeatures.ElementExtensions){
Object.extend(Methods, Element.Methods);
Object.extend(Methods, Element.Methods.Simulated);}}
});
extend.refresh();
return extend;})();
Element.hasAttribute=function(element, attribute){
if (element.hasAttribute) return element.hasAttribute(attribute);
return Element.Methods.Simulated.hasAttribute(element, attribute);};
Element.addMethods=function(methods){
var F=Prototype.BrowserFeatures, T=Element.Methods.ByTag;
if (!methods){
Object.extend(Form, Form.Methods);
Object.extend(Form.Element, Form.Element.Methods);
Object.extend(Element.Methods.ByTag,{
"FORM": Object.clone(Form.Methods),
"INPUT": Object.clone(Form.Element.Methods),
"SELECT": Object.clone(Form.Element.Methods),
"TEXTAREA": Object.clone(Form.Element.Methods)
});}
if (arguments.length == 2){
var tagName=methods;
methods=arguments[1];}
if (!tagName) Object.extend(Element.Methods, methods ||{ });
else{
if (Object.isArray(tagName)) tagName.each(extend);
else extend(tagName);}
function extend(tagName){
tagName=tagName.toUpperCase();
if (!Element.Methods.ByTag[tagName])
Element.Methods.ByTag[tagName]={ };
Object.extend(Element.Methods.ByTag[tagName], methods);}
function copy(methods, destination, onlyIfAbsent){
onlyIfAbsent=onlyIfAbsent || false;
for (var property in methods){
var value=methods[property];
if (!Object.isFunction(value)) continue;
if (!onlyIfAbsent || !(property in destination))
destination[property]=value.methodize();}}
function findDOMClass(tagName){
var klass;
var trans={
"OPTGROUP": "OptGroup", "TEXTAREA": "TextArea", "P": "Paragraph",
"FIELDSET": "FieldSet", "UL": "UList", "OL": "OList", "DL": "DList",
"DIR": "Directory", "H1": "Heading", "H2": "Heading", "H3": "Heading",
"H4": "Heading", "H5": "Heading", "H6": "Heading", "Q": "Quote",
"INS": "Mod", "DEL": "Mod", "A": "Anchor", "IMG": "Image", "CAPTION":
"TableCaption", "COL": "TableCol", "COLGROUP": "TableCol", "THEAD":
"TableSection", "TFOOT": "TableSection", "TBODY": "TableSection", "TR":
"TableRow", "TH": "TableCell", "TD": "TableCell", "FRAMESET":
"FrameSet", "IFRAME": "IFrame"
};
if (trans[tagName]) klass='HTML'+trans[tagName]+'Element';
if (window[klass]) return window[klass];
klass='HTML'+tagName+'Element';
if (window[klass]) return window[klass];
klass='HTML'+tagName.capitalize()+'Element';
if (window[klass]) return window[klass];
var element=document.createElement(tagName);
var proto=element['__proto__'] || element.constructor.prototype;
element=null;
return proto;}
var elementPrototype=window.HTMLElement ? HTMLElement.prototype :
Element.prototype;
if (F.ElementExtensions){
copy(Element.Methods, elementPrototype);
copy(Element.Methods.Simulated, elementPrototype, true);}
if (F.SpecificElementExtensions){
for (var tag in Element.Methods.ByTag){
var klass=findDOMClass(tag);
if (Object.isUndefined(klass)) continue;
copy(T[tag], klass.prototype);}}
Object.extend(Element, Element.Methods);
delete Element.ByTag;
if (Element.extend.refresh) Element.extend.refresh();
Element.cache={ };};
document.viewport={
getDimensions: function(){
return{ width: this.getWidth(), height: this.getHeight() };},
getScrollOffsets: function(){
return Element._returnOffset(
window.pageXOffset || document.documentElement.scrollLeft || document.body.scrollLeft,
window.pageYOffset || document.documentElement.scrollTop || document.body.scrollTop);}};
(function(viewport){
var B=Prototype.Browser, doc=document, element, property={};
function getRootElement(){
if (B.WebKit && !doc.evaluate)
return document;
if (B.Opera && window.parseFloat(window.opera.version()) < 9.5)
return document.body;
return document.documentElement;}
function define(D){
if (!element) element=getRootElement();
property[D]='client'+D;
viewport['get'+D]=function(){ return element[property[D]] };
return viewport['get'+D]();}
viewport.getWidth=define.curry('Width');
viewport.getHeight=define.curry('Height');})(document.viewport);
Element.Storage={
UID: 1
};
Element.addMethods({
getStorage: function(element){
if (!(element=$(element))) return;
var uid;
if (element === window){
uid=0;} else{
if (typeof element._prototypeUID === "undefined")
element._prototypeUID=[Element.Storage.UID++];
uid=element._prototypeUID[0];}
if (!Element.Storage[uid])
Element.Storage[uid]=$H();
return Element.Storage[uid];},
store: function(element, key, value){
if (!(element=$(element))) return;
if (arguments.length === 2){
Element.getStorage(element).update(key);} else{
Element.getStorage(element).set(key, value);}
return element;},
retrieve: function(element, key, defaultValue){
if (!(element=$(element))) return;
var hash=Element.getStorage(element), value=hash.get(key);
if (Object.isUndefined(value)){
hash.set(key, defaultValue);
value=defaultValue;}
return value;},
clone: function(element, deep){
if (!(element=$(element))) return;
var clone=element.cloneNode(deep);
clone._prototypeUID=void 0;
if (deep){
var descendants=Element.select(clone, '*'),
i=descendants.length;
while (i--){
descendants[i]._prototypeUID=void 0;}}
return Element.extend(clone);}});
var Selector=Class.create({
initialize: function(expression){
this.expression=expression.strip();
if (this.shouldUseSelectorsAPI()){
this.mode='selectorsAPI';} else if (this.shouldUseXPath()){
this.mode='xpath';
this.compileXPathMatcher();} else{
this.mode="normal";
this.compileMatcher();}},
shouldUseXPath: (function(){
var IS_DESCENDANT_SELECTOR_BUGGY=(function(){
var isBuggy=false;
if (document.evaluate && window.XPathResult){
var el=document.createElement('div');
el.innerHTML='<ul><li></li></ul><div><ul><li></li></ul></div>';
var xpath=".//*[local-name()='ul' or local-name()='UL']" +
"//*[local-name()='li' or local-name()='LI']";
var result=document.evaluate(xpath, el, null,
XPathResult.ORDERED_NODE_SNAPSHOT_TYPE, null);
isBuggy=(result.snapshotLength !== 2);
el=null;}
return isBuggy;})();
return function(){
if (!Prototype.BrowserFeatures.XPath) return false;
var e=this.expression;
if (Prototype.Browser.WebKit &&
(e.include("-of-type") || e.include(":empty")))
return false;
if ((/(\[[\w-]*?:|:checked)/).test(e))
return false;
if (IS_DESCENDANT_SELECTOR_BUGGY) return false;
return true;}})(),
shouldUseSelectorsAPI: function(){
if (!Prototype.BrowserFeatures.SelectorsAPI) return false;
if (Selector.CASE_INSENSITIVE_CLASS_NAMES) return false;
if (!Selector._div) Selector._div=new Element('div');
try{
Selector._div.querySelector(this.expression);} catch(e){
return false;}
return true;},
compileMatcher: function(){
var e=this.expression, ps=Selector.patterns, h=Selector.handlers,
c=Selector.criteria, le, p, m, len=ps.length, name;
if (Selector._cache[e]){
this.matcher=Selector._cache[e];
return;}
this.matcher=["this.matcher=function(root){",
"var r=root, h=Selector.handlers, c=false, n;"];
while (e && le != e && (/\S/).test(e)){
le=e;
for (var i=0; i<len; i++){
p=ps[i].re;
name=ps[i].name;
if (m=e.match(p)){
this.matcher.push(Object.isFunction(c[name]) ? c[name](m) :
new Template(c[name]).evaluate(m));
e=e.replace(m[0], '');
break;}}
}
this.matcher.push("return h.unique(n);\n}");
eval(this.matcher.join('\n'));
Selector._cache[this.expression]=this.matcher;},
compileXPathMatcher: function(){
var e=this.expression, ps=Selector.patterns,
x=Selector.xpath, le, m, len=ps.length, name;
if (Selector._cache[e]){
this.xpath=Selector._cache[e]; return;}
this.matcher=['.//*'];
while (e && le != e && (/\S/).test(e)){
le=e;
for (var i=0; i<len; i++){
name=ps[i].name;
if (m=e.match(ps[i].re)){
this.matcher.push(Object.isFunction(x[name]) ? x[name](m) :
new Template(x[name]).evaluate(m));
e=e.replace(m[0], '');
break;}}
}
this.xpath=this.matcher.join('');
Selector._cache[this.expression]=this.xpath;},
findElements: function(root){
root=root || document;
var e=this.expression, results;
switch (this.mode){
case 'selectorsAPI':
if (root !== document){
var oldId=root.id, id=$(root).identify();
id=id.replace(/([\.:])/g, "\\$1");
e="#"+id+" "+e;}
results=$A(root.querySelectorAll(e)).map(Element.extend);
root.id=oldId;
return results;
case 'xpath':
return document._getElementsByXPath(this.xpath, root);
default:
return this.matcher(root);}},
match: function(element){
this.tokens=[];
var e=this.expression, ps=Selector.patterns, as=Selector.assertions;
var le, p, m, len=ps.length, name;
while (e && le !== e && (/\S/).test(e)){
le=e;
for (var i=0; i<len; i++){
p=ps[i].re;
name=ps[i].name;
if (m=e.match(p)){
if (as[name]){
this.tokens.push([name, Object.clone(m)]);
e=e.replace(m[0], '');} else{
return this.findElements(document).include(element);}}
}}
var match=true, name, matches;
for (var i=0, token; token=this.tokens[i]; i++){
name=token[0], matches=token[1];
if (!Selector.assertions[name](element, matches)){
match=false; break;}}
return match;},
toString: function(){
return this.expression;},
inspect: function(){
return "#<Selector:"+this.expression.inspect()+">";}});
if (Prototype.BrowserFeatures.SelectorsAPI &&
document.compatMode === 'BackCompat'){
Selector.CASE_INSENSITIVE_CLASS_NAMES=(function(){
var div=document.createElement('div'),
span=document.createElement('span');
div.id="prototype_test_id";
span.className='Test';
div.appendChild(span);
var isIgnored=(div.querySelector('#prototype_test_id .test') !== null);
div=span=null;
return isIgnored;})();}
Object.extend(Selector,{
_cache:{ },
xpath:{
descendant: "//*",
child: "/*",
adjacent: "/following-sibling::*[1]",
laterSibling: '/following-sibling::*',
tagName: function(m){
if (m[1] == '*') return '';
return "[local-name()='"+m[1].toLowerCase() +
"' or local-name()='"+m[1].toUpperCase()+"']";},
className: "[contains(concat(' ', @class, ' '), ' #{1} ')]",
id: "[@id='#{1}']",
attrPresence: function(m){
m[1]=m[1].toLowerCase();
return new Template("[@#{1}]").evaluate(m);},
attr: function(m){
m[1]=m[1].toLowerCase();
m[3]=m[5] || m[6];
return new Template(Selector.xpath.operators[m[2]]).evaluate(m);},
pseudo: function(m){
var h=Selector.xpath.pseudos[m[1]];
if (!h) return '';
if (Object.isFunction(h)) return h(m);
return new Template(Selector.xpath.pseudos[m[1]]).evaluate(m);},
operators:{
'=': "[@#{1}='#{3}']",
'!=': "[@#{1}!='#{3}']",
'^=': "[starts-with(@#{1}, '#{3}')]",
'$=': "[substring(@#{1}, (string-length(@#{1}) - string-length('#{3}')+1))='#{3}']",
'*=': "[contains(@#{1}, '#{3}')]",
'~=': "[contains(concat(' ', @#{1}, ' '), ' #{3} ')]",
'|=': "[contains(concat('-', @#{1}, '-'), '-#{3}-')]"
},
pseudos:{
'first-child': '[not(preceding-sibling::*)]',
'last-child': '[not(following-sibling::*)]',
'only-child': '[not(preceding-sibling::* or following-sibling::*)]',
'empty': "[count(*)=0 and (count(text())=0)]",
'checked': "[@checked]",
'disabled': "[(@disabled) and (@type!='hidden')]",
'enabled': "[not(@disabled) and (@type!='hidden')]",
'not': function(m){
var e=m[6], p=Selector.patterns,
x=Selector.xpath, le, v, len=p.length, name;
var exclusion=[];
while (e && le != e && (/\S/).test(e)){
le=e;
for (var i=0; i<len; i++){
name=p[i].name
if (m=e.match(p[i].re)){
v=Object.isFunction(x[name]) ? x[name](m):new Template(x[name]).evaluate(m);
exclusion.push("("+v.substring(1, v.length - 1)+")");
e=e.replace(m[0], '');
break;}}
}
return "[not("+exclusion.join(" and ")+")]";},
'nth-child': function(m){
return Selector.xpath.pseudos.nth("(count(./preceding-sibling::*)+1) ", m);},
'nth-last-child': function(m){
return Selector.xpath.pseudos.nth("(count(./following-sibling::*)+1) ", m);},
'nth-of-type': function(m){
return Selector.xpath.pseudos.nth("position() ", m);},
'nth-last-of-type': function(m){
return Selector.xpath.pseudos.nth("(last()+1 - position()) ", m);},
'first-of-type': function(m){
m[6]="1"; return Selector.xpath.pseudos['nth-of-type'](m);},
'last-of-type': function(m){
m[6]="1"; return Selector.xpath.pseudos['nth-last-of-type'](m);},
'only-of-type': function(m){
var p=Selector.xpath.pseudos; return p['first-of-type'](m)+p['last-of-type'](m);},
nth: function(fragment, m){
var mm, formula=m[6], predicate;
if (formula == 'even') formula='2n+0';
if (formula == 'odd') formula='2n+1';
if (mm=formula.match(/^(\d+)$/)) // digit only
return '['+fragment+"= "+mm[1]+']';
if (mm=formula.match(/^(-?\d*)?n(([+-])(\d+))?/)){ // an+b
if (mm[1] == "-") mm[1]=-1;
var a=mm[1] ? Number(mm[1]):1;
var b=mm[2] ? Number(mm[2]):0;
predicate="[((#{fragment} - #{b}) mod #{a}=0) and " +
"((#{fragment} - #{b}) div #{a} >= 0)]";
return new Template(predicate).evaluate({
fragment: fragment, a: a, b: b });}}
}},
criteria:{
tagName: 'n=h.tagName(n, r, "#{1}", c); c=false;',
className: 'n=h.className(n, r, "#{1}", c); c=false;',
id: 'n=h.id(n, r, "#{1}", c); c=false;',
attrPresence: 'n=h.attrPresence(n, r, "#{1}", c); c=false;',
attr: function(m){
m[3]=(m[5] || m[6]);
return new Template('n=h.attr(n, r, "#{1}", "#{3}", "#{2}", c); c=false;').evaluate(m);},
pseudo: function(m){
if (m[6]) m[6]=m[6].replace(/"/g, '\\"');
return new Template('n=h.pseudo(n, "#{1}", "#{6}", r, c); c=false;').evaluate(m);},
descendant: 'c="descendant";',
child: 'c="child";',
adjacent: 'c="adjacent";',
laterSibling: 'c="laterSibling";'
},
patterns: [
{ name: 'laterSibling', re: /^\s*~\s*/ },
{ name: 'child', re: /^\s*>\s*/ },
{ name: 'adjacent', re: /^\s*\+\s*/ },
{ name: 'descendant', re: /^\s/ },
{ name: 'tagName', re: /^\s*(\*|[\w\-]+)(\b|$)?/ },
{ name: 'id', re: /^#([\w\-\*]+)(\b|$)/ },
{ name: 'className', re: /^\.([\w\-\*]+)(\b|$)/ },
{ name: 'pseudo', re: /^:((first|last|nth|nth-last|only)(-child|-of-type)|empty|checked|(en|dis)abled|not)(\((.*?)\))?(\b|$|(?=\s|[:+~>]))/ },
{ name: 'attrPresence', re: /^\[((?:[\w-]+:)?[\w-]+)\]/ },
{ name: 'attr', re: /\[((?:[\w-]*:)?[\w-]+)\s*(?:([!^$*~|]?=)\s*((['"])([^\4]*?)\4|([^'"][^\]]*?)))?\]/ }
],
assertions:{
tagName: function(element, matches){
return matches[1].toUpperCase() == element.tagName.toUpperCase();},
className: function(element, matches){
return Element.hasClassName(element, matches[1]);},
id: function(element, matches){
return element.id === matches[1];},
attrPresence: function(element, matches){
return Element.hasAttribute(element, matches[1]);},
attr: function(element, matches){
var nodeValue=Element.readAttribute(element, matches[1]);
return nodeValue && Selector.operators[matches[2]](nodeValue, matches[5] || matches[6]);}},
handlers:{
concat: function(a, b){
for (var i=0, node; node=b[i]; i++)
a.push(node);
return a;},
mark: function(nodes){
var _true=Prototype.emptyFunction;
for (var i=0, node; node=nodes[i]; i++)
node._countedByPrototype=_true;
return nodes;},
unmark: (function(){
var PROPERTIES_ATTRIBUTES_MAP=(function(){
var el=document.createElement('div'),
isBuggy=false,
propName='_countedByPrototype',
value='x'
el[propName]=value;
isBuggy=(el.getAttribute(propName) === value);
el=null;
return isBuggy;})();
return PROPERTIES_ATTRIBUTES_MAP ?
function(nodes){
for (var i=0, node; node=nodes[i]; i++)
node.removeAttribute('_countedByPrototype');
return nodes;} :
function(nodes){
for (var i=0, node; node=nodes[i]; i++)
node._countedByPrototype=void 0;
return nodes;}})(),
index: function(parentNode, reverse, ofType){
parentNode._countedByPrototype=Prototype.emptyFunction;
if (reverse){
for (var nodes=parentNode.childNodes, i=nodes.length - 1, j=1; i >= 0; i--){
var node=nodes[i];
if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex=j++;}} else{
for (var i=0, j=1, nodes=parentNode.childNodes; node=nodes[i]; i++)
if (node.nodeType == 1 && (!ofType || node._countedByPrototype)) node.nodeIndex=j++;}},
unique: function(nodes){
if (nodes.length == 0) return nodes;
var results=[], n;
for (var i=0, l=nodes.length; i < l; i++)
if (typeof (n=nodes[i])._countedByPrototype == 'undefined'){
n._countedByPrototype=Prototype.emptyFunction;
results.push(Element.extend(n));}
return Selector.handlers.unmark(results);},
descendant: function(nodes){
var h=Selector.handlers;
for (var i=0, results=[], node; node=nodes[i]; i++)
h.concat(results, node.getElementsByTagName('*'));
return results;},
child: function(nodes){
var h=Selector.handlers;
for (var i=0, results=[], node; node=nodes[i]; i++){
for (var j=0, child; child=node.childNodes[j]; j++)
if (child.nodeType == 1 && child.tagName != '!') results.push(child);}
return results;},
adjacent: function(nodes){
for (var i=0, results=[], node; node=nodes[i]; i++){
var next=this.nextElementSibling(node);
if (next) results.push(next);}
return results;},
laterSibling: function(nodes){
var h=Selector.handlers;
for (var i=0, results=[], node; node=nodes[i]; i++)
h.concat(results, Element.nextSiblings(node));
return results;},
nextElementSibling: function(node){
while (node=node.nextSibling)
if (node.nodeType == 1) return node;
return null;},
previousElementSibling: function(node){
while (node=node.previousSibling)
if (node.nodeType == 1) return node;
return null;},
tagName: function(nodes, root, tagName, combinator){
var uTagName=tagName.toUpperCase();
var results=[], h=Selector.handlers;
if (nodes){
if (combinator){
if (combinator == "descendant"){
for (var i=0, node; node=nodes[i]; i++)
h.concat(results, node.getElementsByTagName(tagName));
return results;} else nodes=this[combinator](nodes);
if (tagName == "*") return nodes;}
for (var i=0, node; node=nodes[i]; i++)
if (node.tagName.toUpperCase() === uTagName) results.push(node);
return results;} else return root.getElementsByTagName(tagName);},
id: function(nodes, root, id, combinator){
var targetNode=$(id), h=Selector.handlers;
if (root == document){
if (!targetNode) return [];
if (!nodes) return [targetNode];} else{
if (!root.sourceIndex || root.sourceIndex < 1){
var nodes=root.getElementsByTagName('*');
for (var j=0, node; node=nodes[j]; j++){
if (node.id === id) return [node];}}
}
if (nodes){
if (combinator){
if (combinator == 'child'){
for (var i=0, node; node=nodes[i]; i++)
if (targetNode.parentNode == node) return [targetNode];} else if (combinator == 'descendant'){
for (var i=0, node; node=nodes[i]; i++)
if (Element.descendantOf(targetNode, node)) return [targetNode];} else if (combinator == 'adjacent'){
for (var i=0, node; node=nodes[i]; i++)
if (Selector.handlers.previousElementSibling(targetNode) == node)
return [targetNode];} else nodes=h[combinator](nodes);}
for (var i=0, node; node=nodes[i]; i++)
if (node == targetNode) return [targetNode];
return [];}
return (targetNode && Element.descendantOf(targetNode, root)) ? [targetNode]:[];},
className: function(nodes, root, className, combinator){
if (nodes && combinator) nodes=this[combinator](nodes);
return Selector.handlers.byClassName(nodes, root, className);},
byClassName: function(nodes, root, className){
if (!nodes) nodes=Selector.handlers.descendant([root]);
var needle=' '+className+' ';
for (var i=0, results=[], node, nodeClassName; node=nodes[i]; i++){
nodeClassName=node.className;
if (nodeClassName.length == 0) continue;
if (nodeClassName == className || (' '+nodeClassName+' ').include(needle))
results.push(node);}
return results;},
attrPresence: function(nodes, root, attr, combinator){
if (!nodes) nodes=root.getElementsByTagName("*");
if (nodes && combinator) nodes=this[combinator](nodes);
var results=[];
for (var i=0, node; node=nodes[i]; i++)
if (Element.hasAttribute(node, attr)) results.push(node);
return results;},
attr: function(nodes, root, attr, value, operator, combinator){
if (!nodes) nodes=root.getElementsByTagName("*");
if (nodes && combinator) nodes=this[combinator](nodes);
var handler=Selector.operators[operator], results=[];
for (var i=0, node; node=nodes[i]; i++){
var nodeValue=Element.readAttribute(node, attr);
if (nodeValue === null) continue;
if (handler(nodeValue, value)) results.push(node);}
return results;},
pseudo: function(nodes, name, value, root, combinator){
if (nodes && combinator) nodes=this[combinator](nodes);
if (!nodes) nodes=root.getElementsByTagName("*");
return Selector.pseudos[name](nodes, value, root);}},
pseudos:{
'first-child': function(nodes, value, root){
for (var i=0, results=[], node; node=nodes[i]; i++){
if (Selector.handlers.previousElementSibling(node)) continue;
results.push(node);}
return results;},
'last-child': function(nodes, value, root){
for (var i=0, results=[], node; node=nodes[i]; i++){
if (Selector.handlers.nextElementSibling(node)) continue;
results.push(node);}
return results;},
'only-child': function(nodes, value, root){
var h=Selector.handlers;
for (var i=0, results=[], node; node=nodes[i]; i++)
if (!h.previousElementSibling(node) && !h.nextElementSibling(node))
results.push(node);
return results;},
'nth-child': function(nodes, formula, root){
return Selector.pseudos.nth(nodes, formula, root);},
'nth-last-child': function(nodes, formula, root){
return Selector.pseudos.nth(nodes, formula, root, true);},
'nth-of-type': function(nodes, formula, root){
return Selector.pseudos.nth(nodes, formula, root, false, true);},
'nth-last-of-type': function(nodes, formula, root){
return Selector.pseudos.nth(nodes, formula, root, true, true);},
'first-of-type': function(nodes, formula, root){
return Selector.pseudos.nth(nodes, "1", root, false, true);},
'last-of-type': function(nodes, formula, root){
return Selector.pseudos.nth(nodes, "1", root, true, true);},
'only-of-type': function(nodes, formula, root){
var p=Selector.pseudos;
return p['last-of-type'](p['first-of-type'](nodes, formula, root), formula, root);},
getIndices: function(a, b, total){
if (a == 0) return b > 0 ? [b]:[];
return $R(1, total).inject([], function(memo, i){
if (0 == (i - b) % a && (i - b) / a >= 0) memo.push(i);
return memo;});},
nth: function(nodes, formula, root, reverse, ofType){
if (nodes.length == 0) return [];
if (formula == 'even') formula='2n+0';
if (formula == 'odd') formula='2n+1';
var h=Selector.handlers, results=[], indexed=[], m;
h.mark(nodes);
for (var i=0, node; node=nodes[i]; i++){
if (!node.parentNode._countedByPrototype){
h.index(node.parentNode, reverse, ofType);
indexed.push(node.parentNode);}}
if (formula.match(/^\d+$/)){ // just a number
formula=Number(formula);
for (var i=0, node; node=nodes[i]; i++)
if (node.nodeIndex == formula) results.push(node);} else if (m=formula.match(/^(-?\d*)?n(([+-])(\d+))?/)){ // an+b
if (m[1] == "-") m[1]=-1;
var a=m[1] ? Number(m[1]):1;
var b=m[2] ? Number(m[2]):0;
var indices=Selector.pseudos.getIndices(a, b, nodes.length);
for (var i=0, node, l=indices.length; node=nodes[i]; i++){
for (var j=0; j < l; j++)
if (node.nodeIndex == indices[j]) results.push(node);}}
h.unmark(nodes);
h.unmark(indexed);
return results;},
'empty': function(nodes, value, root){
for (var i=0, results=[], node; node=nodes[i]; i++){
if (node.tagName == '!' || node.firstChild) continue;
results.push(node);}
return results;},
'not': function(nodes, selector, root){
var h=Selector.handlers, selectorType, m;
var exclusions=new Selector(selector).findElements(root);
h.mark(exclusions);
for (var i=0, results=[], node; node=nodes[i]; i++)
if (!node._countedByPrototype) results.push(node);
h.unmark(exclusions);
return results;},
'enabled': function(nodes, value, root){
for (var i=0, results=[], node; node=nodes[i]; i++)
if (!node.disabled && (!node.type || node.type !== 'hidden'))
results.push(node);
return results;},
'disabled': function(nodes, value, root){
for (var i=0, results=[], node; node=nodes[i]; i++)
if (node.disabled) results.push(node);
return results;},
'checked': function(nodes, value, root){
for (var i=0, results=[], node; node=nodes[i]; i++)
if (node.checked) results.push(node);
return results;}},
operators:{
'=': function(nv, v){ return nv == v;},
'!=': function(nv, v){ return nv != v;},
'^=': function(nv, v){ return nv == v || nv && nv.startsWith(v);},
'$=': function(nv, v){ return nv == v || nv && nv.endsWith(v);},
'*=': function(nv, v){ return nv == v || nv && nv.include(v);},
'~=': function(nv, v){ return (' '+nv+' ').include(' '+v+' ');},
'|=': function(nv, v){ return ('-'+(nv || "").toUpperCase() +
'-').include('-'+(v || "").toUpperCase()+'-');}},
split: function(expression){
var expressions=[];
expression.scan(/(([\w#:.~>+()\s-]+|\*|\[.*?\])+)\s*(,|$)/, function(m){
expressions.push(m[1].strip());});
return expressions;},
matchElements: function(elements, expression){
var matches=$$(expression), h=Selector.handlers;
h.mark(matches);
for (var i=0, results=[], element; element=elements[i]; i++)
if (element._countedByPrototype) results.push(element);
h.unmark(matches);
return results;},
findElement: function(elements, expression, index){
if (Object.isNumber(expression)){
index=expression; expression=false;}
return Selector.matchElements(elements, expression || '*')[index || 0];},
findChildElements: function(element, expressions){
expressions=Selector.split(expressions.join(','));
var results=[], h=Selector.handlers;
for (var i=0, l=expressions.length, selector; i < l; i++){
selector=new Selector(expressions[i].strip());
h.concat(results, selector.findElements(element));}
return (l > 1) ? h.unique(results):results;}});
if (Prototype.Browser.IE){
Object.extend(Selector.handlers,{
concat: function(a, b){
for (var i=0, node; node=b[i]; i++)
if (node.tagName !== "!") a.push(node);
return a;}});}
function $$(){
return Selector.findChildElements(document, $A(arguments));}
var Form={
reset: function(form){
form=$(form);
form.reset();
return form;},
serializeElements: function(elements, options){
if (typeof options != 'object') options={ hash: !!options };
else if (Object.isUndefined(options.hash)) options.hash=true;
var key, value, submitted=false, submit=options.submit;
var data=elements.inject({ }, function(result, element){
if (!element.disabled && element.name){
key=element.name; value=$(element).getValue();
if (value != null && element.type != 'file' && (element.type != 'submit' || (!submitted &&
submit !== false && (!submit || key == submit) && (submitted=true)))){
if (key in result){
if (!Object.isArray(result[key])) result[key]=[result[key]];
result[key].push(value);}
else result[key]=value;}}
return result;});
return options.hash ? data:Object.toQueryString(data);}};
Form.Methods={
serialize: function(form, options){
return Form.serializeElements(Form.getElements(form), options);},
getElements: function(form){
var elements=$(form).getElementsByTagName('*'),
element,
arr=[ ],
serializers=Form.Element.Serializers;
for (var i=0; element=elements[i]; i++){
arr.push(element);}
return arr.inject([], function(elements, child){
if (serializers[child.tagName.toLowerCase()])
elements.push(Element.extend(child));
return elements;})
},
getInputs: function(form, typeName, name){
form=$(form);
var inputs=form.getElementsByTagName('input');
if (!typeName && !name) return $A(inputs).map(Element.extend);
for (var i=0, matchingInputs=[], length=inputs.length; i < length; i++){
var input=inputs[i];
if ((typeName && input.type != typeName) || (name && input.name != name))
continue;
matchingInputs.push(Element.extend(input));}
return matchingInputs;},
disable: function(form){
form=$(form);
Form.getElements(form).invoke('disable');
return form;},
enable: function(form){
form=$(form);
Form.getElements(form).invoke('enable');
return form;},
findFirstElement: function(form){
var elements=$(form).getElements().findAll(function(element){
return 'hidden' != element.type && !element.disabled;});
var firstByIndex=elements.findAll(function(element){
return element.hasAttribute('tabIndex') && element.tabIndex >= 0;}).sortBy(function(element){ return element.tabIndex }).first();
return firstByIndex ? firstByIndex:elements.find(function(element){
return /^(?:input|select|textarea)$/i.test(element.tagName);});},
focusFirstElement: function(form){
form=$(form);
form.findFirstElement().activate();
return form;},
request: function(form, options){
form=$(form), options=Object.clone(options ||{ });
var params=options.parameters, action=form.readAttribute('action') || '';
if (action.blank()) action=window.location.href;
options.parameters=form.serialize(true);
if (params){
if (Object.isString(params)) params=params.toQueryParams();
Object.extend(options.parameters, params);}
if (form.hasAttribute('method') && !options.method)
options.method=form.method;
return new Ajax.Request(action, options);}};
Form.Element={
focus: function(element){
$(element).focus();
return element;},
select: function(element){
$(element).select();
return element;}};
Form.Element.Methods={
serialize: function(element){
element=$(element);
if (!element.disabled && element.name){
var value=element.getValue();
if (value != undefined){
var pair={ };
pair[element.name]=value;
return Object.toQueryString(pair);}}
return '';},
getValue: function(element){
element=$(element);
var method=element.tagName.toLowerCase();
return Form.Element.Serializers[method](element);},
setValue: function(element, value){
element=$(element);
var method=element.tagName.toLowerCase();
Form.Element.Serializers[method](element, value);
return element;},
clear: function(element){
$(element).value='';
return element;},
present: function(element){
return $(element).value != '';},
activate: function(element){
element=$(element);
try{
element.focus();
if (element.select && (element.tagName.toLowerCase() != 'input' ||
!(/^(?:button|reset|submit)$/i.test(element.type))))
element.select();} catch (e){ }
return element;},
disable: function(element){
element=$(element);
element.disabled=true;
return element;},
enable: function(element){
element=$(element);
element.disabled=false;
return element;}};
var Field=Form.Element;
var $F=Form.Element.Methods.getValue;
Form.Element.Serializers={
input: function(element, value){
switch (element.type.toLowerCase()){
case 'checkbox':
case 'radio':
return Form.Element.Serializers.inputSelector(element, value);
default:
return Form.Element.Serializers.textarea(element, value);}},
inputSelector: function(element, value){
if (Object.isUndefined(value)) return element.checked ? element.value:null;
else element.checked=!!value;},
textarea: function(element, value){
if (Object.isUndefined(value)) return element.value;
else element.value=value;},
select: function(element, value){
if (Object.isUndefined(value))
return this[element.type == 'select-one' ? 'selectOne':'selectMany'](element);
else{
var opt, currentValue, single=!Object.isArray(value);
for (var i=0, length=element.length; i < length; i++){
opt=element.options[i];
currentValue=this.optionValue(opt);
if (single){
if (currentValue == value){
opt.selected=true;
return;}}
else opt.selected=value.include(currentValue);}}
},
selectOne: function(element){
var index=element.selectedIndex;
return index >= 0 ? this.optionValue(element.options[index]):null;},
selectMany: function(element){
var values, length=element.length;
if (!length) return null;
for (var i=0, values=[]; i < length; i++){
var opt=element.options[i];
if (opt.selected) values.push(this.optionValue(opt));}
return values;},
optionValue: function(opt){
return Element.extend(opt).hasAttribute('value') ? opt.value:opt.text;}};
Abstract.TimedObserver=Class.create(PeriodicalExecuter,{
initialize: function($super, element, frequency, callback){
$super(callback, frequency);
this.element=$(element);
this.lastValue=this.getValue();},
execute: function(){
var value=this.getValue();
if (Object.isString(this.lastValue) && Object.isString(value) ?
this.lastValue != value:String(this.lastValue) != String(value)){
this.callback(this.element, value);
this.lastValue=value;}}
});
Form.Element.Observer=Class.create(Abstract.TimedObserver,{
getValue: function(){
return Form.Element.getValue(this.element);}});
Form.Observer=Class.create(Abstract.TimedObserver,{
getValue: function(){
return Form.serialize(this.element);}});
Abstract.EventObserver=Class.create({
initialize: function(element, callback){
this.element=$(element);
this.callback=callback;
this.lastValue=this.getValue();
if (this.element.tagName.toLowerCase() == 'form')
this.registerFormCallbacks();
else
this.registerCallback(this.element);},
onElementEvent: function(){
var value=this.getValue();
if (this.lastValue != value){
this.callback(this.element, value);
this.lastValue=value;}},
registerFormCallbacks: function(){
Form.getElements(this.element).each(this.registerCallback, this);},
registerCallback: function(element){
if (element.type){
switch (element.type.toLowerCase()){
case 'checkbox':
case 'radio':
Event.observe(element, 'click', this.onElementEvent.bind(this));
break;
default:
Event.observe(element, 'change', this.onElementEvent.bind(this));
break;}}
}});
Form.Element.EventObserver=Class.create(Abstract.EventObserver,{
getValue: function(){
return Form.Element.getValue(this.element);}});
Form.EventObserver=Class.create(Abstract.EventObserver,{
getValue: function(){
return Form.serialize(this.element);}});
(function(){
var Event={
KEY_BACKSPACE: 8,
KEY_TAB: 9,
KEY_RETURN: 13,
KEY_ESC: 27,
KEY_LEFT: 37,
KEY_UP: 38,
KEY_RIGHT: 39,
KEY_DOWN: 40,
KEY_DELETE: 46,
KEY_HOME: 36,
KEY_END: 35,
KEY_PAGEUP: 33,
KEY_PAGEDOWN: 34,
KEY_INSERT: 45,
cache:{}};
var docEl=document.documentElement;
var MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED='onmouseenter' in docEl
&& 'onmouseleave' in docEl;
var _isButton;
if (Prototype.Browser.IE){
var buttonMap={ 0: 1, 1: 4, 2: 2 };
_isButton=function(event, code){
return event.button === buttonMap[code];};} else if (Prototype.Browser.WebKit){
_isButton=function(event, code){
switch (code){
case 0: return event.which == 1 && !event.metaKey;
case 1: return event.which == 1 && event.metaKey;
default: return false;}};} else{
_isButton=function(event, code){
return event.which ? (event.which === code+1):(event.button === code);};}
function isLeftClick(event){ return _isButton(event, 0) }
function isMiddleClick(event){ return _isButton(event, 1) }
function isRightClick(event){ return _isButton(event, 2) }
function element(event){
event=Event.extend(event);
var node=event.target, type=event.type,
currentTarget=event.currentTarget;
if (currentTarget && currentTarget.tagName){
if (type === 'load' || type === 'error' ||
(type === 'click' && currentTarget.tagName.toLowerCase() === 'input'
&& currentTarget.type === 'radio'))
node=currentTarget;}
if (node.nodeType == Node.TEXT_NODE)
node=node.parentNode;
return Element.extend(node);}
function findElement(event, expression){
var element=Event.element(event);
if (!expression) return element;
var elements=[element].concat(element.ancestors());
return Selector.findElement(elements, expression, 0);}
function pointer(event){
return{ x: pointerX(event), y: pointerY(event) };}
function pointerX(event){
var docElement=document.documentElement,
body=document.body ||{ scrollLeft: 0 };
return event.pageX || (event.clientX +
(docElement.scrollLeft || body.scrollLeft) -
(docElement.clientLeft || 0));}
function pointerY(event){
var docElement=document.documentElement,
body=document.body ||{ scrollTop: 0 };
return event.pageY || (event.clientY +
(docElement.scrollTop || body.scrollTop) -
(docElement.clientTop || 0));}
function stop(event){
Event.extend(event);
event.preventDefault();
event.stopPropagation();
event.stopped=true;}
Event.Methods={
isLeftClick: isLeftClick,
isMiddleClick: isMiddleClick,
isRightClick: isRightClick,
element: element,
findElement: findElement,
pointer: pointer,
pointerX: pointerX,
pointerY: pointerY,
stop: stop
};
var methods=Object.keys(Event.Methods).inject({ }, function(m, name){
m[name]=Event.Methods[name].methodize();
return m;});
if (Prototype.Browser.IE){
function _relatedTarget(event){
var element;
switch (event.type){
case 'mouseover': element=event.fromElement; break;
case 'mouseout': element=event.toElement; break;
default: return null;}
return Element.extend(element);}
Object.extend(methods,{
stopPropagation: function(){ this.cancelBubble=true },
preventDefault: function(){ this.returnValue=false },
inspect: function(){ return '[object Event]' }});
Event.extend=function(event, element){
if (!event) return false;
if (event._extendedByPrototype) return event;
event._extendedByPrototype=Prototype.emptyFunction;
var pointer=Event.pointer(event);
Object.extend(event,{
target: event.srcElement || element,
relatedTarget: _relatedTarget(event),
pageX: pointer.x,
pageY: pointer.y
});
return Object.extend(event, methods);};} else{
Event.prototype=window.Event.prototype || document.createEvent('HTMLEvents').__proto__;
Object.extend(Event.prototype, methods);
Event.extend=Prototype.K;}
function _createResponder(element, eventName, handler){
var registry=Element.retrieve(element, 'prototype_event_registry');
if (Object.isUndefined(registry)){
CACHE.push(element);
registry=Element.retrieve(element, 'prototype_event_registry', $H());}
var respondersForEvent=registry.get(eventName);
if (Object.isUndefined(respondersForEvent)){
respondersForEvent=[];
registry.set(eventName, respondersForEvent);}
if (respondersForEvent.pluck('handler').include(handler)) return false;
var responder;
if (eventName.include(":")){
responder=function(event){
if (Object.isUndefined(event.eventName))
return false;
if (event.eventName !== eventName)
return false;
Event.extend(event, element);
handler.call(element, event);};} else{
if (!MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED &&
(eventName === "mouseenter" || eventName === "mouseleave")){
if (eventName === "mouseenter" || eventName === "mouseleave"){
responder=function(event){
Event.extend(event, element);
var parent=event.relatedTarget;
while (parent && parent !== element){
try{ parent=parent.parentNode;}
catch(e){ parent=element;}}
if (parent === element) return;
handler.call(element, event);};}} else{
responder=function(event){
Event.extend(event, element);
handler.call(element, event);};}}
responder.handler=handler;
respondersForEvent.push(responder);
return responder;}
function _destroyCache(){
for (var i=0, length=CACHE.length; i < length; i++){
Event.stopObserving(CACHE[i]);
CACHE[i]=null;}}
var CACHE=[];
if (Prototype.Browser.IE)
window.attachEvent('onunload', _destroyCache);
if (Prototype.Browser.WebKit)
window.addEventListener('unload', Prototype.emptyFunction, false);
var _getDOMEventName=Prototype.K;
if (!MOUSEENTER_MOUSELEAVE_EVENTS_SUPPORTED){
_getDOMEventName=function(eventName){
var translations={ mouseenter: "mouseover", mouseleave: "mouseout" };
return eventName in translations ? translations[eventName]:eventName;};}
function observe(element, eventName, handler){
element=$(element);
var responder=_createResponder(element, eventName, handler);
if (!responder) return element;
if (eventName.include(':')){
if (element.addEventListener)
element.addEventListener("dataavailable", responder, false);
else{
element.attachEvent("ondataavailable", responder);
element.attachEvent("onfilterchange", responder);}} else{
var actualEventName=_getDOMEventName(eventName);
if (element.addEventListener)
element.addEventListener(actualEventName, responder, false);
else
element.attachEvent("on"+actualEventName, responder);}
return element;}
function stopObserving(element, eventName, handler){
element=$(element);
var registry=Element.retrieve(element, 'prototype_event_registry');
if (Object.isUndefined(registry)) return element;
if (eventName && !handler){
var responders=registry.get(eventName);
if (Object.isUndefined(responders)) return element;
responders.each( function(r){
Element.stopObserving(element, eventName, r.handler);});
return element;} else if (!eventName){
registry.each( function(pair){
var eventName=pair.key, responders=pair.value;
responders.each( function(r){
Element.stopObserving(element, eventName, r.handler);});});
return element;}
var responders=registry.get(eventName);
if (!responders) return;
var responder=responders.find( function(r){ return r.handler === handler;});
if (!responder) return element;
var actualEventName=_getDOMEventName(eventName);
if (eventName.include(':')){
if (element.removeEventListener)
element.removeEventListener("dataavailable", responder, false);
else{
element.detachEvent("ondataavailable", responder);
element.detachEvent("onfilterchange", responder);}} else{
if (element.removeEventListener)
element.removeEventListener(actualEventName, responder, false);
else
element.detachEvent('on'+actualEventName, responder);}
registry.set(eventName, responders.without(responder));
return element;}
function fire(element, eventName, memo, bubble){
element=$(element);
if (Object.isUndefined(bubble))
bubble=true;
if (element == document && document.createEvent && !element.dispatchEvent)
element=document.documentElement;
var event;
if (document.createEvent){
event=document.createEvent('HTMLEvents');
event.initEvent('dataavailable', true, true);} else{
event=document.createEventObject();
event.eventType=bubble ? 'ondataavailable':'onfilterchange';}
event.eventName=eventName;
event.memo=memo ||{ };
if (document.createEvent)
element.dispatchEvent(event);
else
element.fireEvent(event.eventType, event);
return Event.extend(event);}
Object.extend(Event, Event.Methods);
Object.extend(Event,{
fire: fire,
observe: observe,
stopObserving: stopObserving
});
Element.addMethods({
fire: fire,
observe: observe,
stopObserving: stopObserving
});
Object.extend(document,{
fire: fire.methodize(),
observe: observe.methodize(),
stopObserving: stopObserving.methodize(),
loaded: false
});
if (window.Event) Object.extend(window.Event, Event);
else window.Event=Event;})();
(function(){
var timer;
function fireContentLoadedEvent(){
if (document.loaded) return;
if (timer) window.clearTimeout(timer);
document.loaded=true;
document.fire('dom:loaded');}
function checkReadyState(){
if (document.readyState === 'complete'){
document.stopObserving('readystatechange', checkReadyState);
fireContentLoadedEvent();}}
function pollDoScroll(){
try{ document.documentElement.doScroll('left');}
catch(e){
timer=pollDoScroll.defer();
return;}
fireContentLoadedEvent();}
if (document.addEventListener){
document.addEventListener('DOMContentLoaded', fireContentLoadedEvent, false);} else{
document.observe('readystatechange', checkReadyState);
if (window == top)
timer=pollDoScroll.defer();}
Event.observe(window, 'load', fireContentLoadedEvent);})();
Element.addMethods();
Hash.toQueryString=Object.toQueryString;
var Toggle={ display: Element.toggle };
Element.Methods.childOf=Element.Methods.descendantOf;
var Insertion={
Before: function(element, content){
return Element.insert(element,{before:content});},
Top: function(element, content){
return Element.insert(element,{top:content});},
Bottom: function(element, content){
return Element.insert(element,{bottom:content});},
After: function(element, content){
return Element.insert(element,{after:content});}};
var $continue=new Error('"throw $continue" is deprecated, use "return" instead');
var Position={
includeScrollOffsets: false,
prepare: function(){
this.deltaX=window.pageXOffset
|| document.documentElement.scrollLeft
|| document.body.scrollLeft
|| 0;
this.deltaY=window.pageYOffset
|| document.documentElement.scrollTop
|| document.body.scrollTop
|| 0;},
within: function(element, x, y){
if (this.includeScrollOffsets)
return this.withinIncludingScrolloffsets(element, x, y);
this.xcomp=x;
this.ycomp=y;
this.offset=Element.cumulativeOffset(element);
return (y >= this.offset[1] &&
y < this.offset[1]+element.offsetHeight &&
x >= this.offset[0] &&
x < this.offset[0]+element.offsetWidth);},
withinIncludingScrolloffsets: function(element, x, y){
var offsetcache=Element.cumulativeScrollOffset(element);
this.xcomp=x+offsetcache[0] - this.deltaX;
this.ycomp=y+offsetcache[1] - this.deltaY;
this.offset=Element.cumulativeOffset(element);
return (this.ycomp >= this.offset[1] &&
this.ycomp < this.offset[1]+element.offsetHeight &&
this.xcomp >= this.offset[0] &&
this.xcomp < this.offset[0]+element.offsetWidth);},
overlap: function(mode, element){
if (!mode) return 0;
if (mode == 'vertical')
return ((this.offset[1]+element.offsetHeight) - this.ycomp) /
element.offsetHeight;
if (mode == 'horizontal')
return ((this.offset[0]+element.offsetWidth) - this.xcomp) /
element.offsetWidth;},
cumulativeOffset: Element.Methods.cumulativeOffset,
positionedOffset: Element.Methods.positionedOffset,
absolutize: function(element){
Position.prepare();
return Element.absolutize(element);},
relativize: function(element){
Position.prepare();
return Element.relativize(element);},
realOffset: Element.Methods.cumulativeScrollOffset,
offsetParent: Element.Methods.getOffsetParent,
page: Element.Methods.viewportOffset,
clone: function(source, target, options){
options=options ||{ };
return Element.clonePosition(target, source, options);}};
if (!document.getElementsByClassName) document.getElementsByClassName=function(instanceMethods){
function iter(name){
return name.blank() ? null:"[contains(concat(' ', @class, ' '), ' "+name+" ')]";}
instanceMethods.getElementsByClassName=Prototype.BrowserFeatures.XPath ?
function(element, className){
className=className.toString().strip();
var cond=/\s/.test(className) ? $w(className).map(iter).join(''):iter(className);
return cond ? document._getElementsByXPath('.//*'+cond, element):[];}:function(element, className){
className=className.toString().strip();
var elements=[], classNames=(/\s/.test(className) ? $w(className):null);
if (!classNames && !className) return elements;
var nodes=$(element).getElementsByTagName('*');
className=' '+className+' ';
for (var i=0, child, cn; child=nodes[i]; i++){
if (child.className && (cn=' '+child.className+' ') && (cn.include(className) ||
(classNames && classNames.all(function(name){
return !name.toString().blank() && cn.include(' '+name+' ');}))))
elements.push(Element.extend(child));}
return elements;};
return function(className, parentElement){
return $(parentElement || document.body).getElementsByClassName(className);};}(Element.Methods);
Element.ClassNames=Class.create();
Element.ClassNames.prototype={
initialize: function(element){
this.element=$(element);},
_each: function(iterator){
this.element.className.split(/\s+/).select(function(name){
return name.length > 0;})._each(iterator);},
set: function(className){
this.element.className=className;},
add: function(classNameToAdd){
if (this.include(classNameToAdd)) return;
this.set($A(this).concat(classNameToAdd).join(' '));},
remove: function(classNameToRemove){
if (!this.include(classNameToRemove)) return;
this.set($A(this).without(classNameToRemove).join(' '));},
toString: function(){
return $A(this).join(' ');}};
Object.extend(Element.ClassNames.prototype, Enumerable);

// script.aculo.us effects.js v1.8.3, Thu Oct 08 11:23:33 +0200 2009

// Copyright (c) 2005-2009 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
// Contributors:
//  Justin Palmer (http://encytemedia.com/)
//  Mark Pilgrim (http://diveintomark.org/)
//  Martin Bialasinki
//
// script.aculo.us is freely distributable under the terms of an MIT-style license.
// For details, see the script.aculo.us web site: http://script.aculo.us/

// converts rgb() and #xxx to #xxxxxx format,
// returns self (or first argument) if not convertable
String.prototype.parseColor = function() {
  var color = '#';
  if (this.slice(0,4) == 'rgb(') {
    var cols = this.slice(4,this.length-1).split(',');
    var i=0; do { color += parseInt(cols[i]).toColorPart() } while (++i<3);
  } else {
    if (this.slice(0,1) == '#') {
      if (this.length==4) for(var i=1;i<4;i++) color += (this.charAt(i) + this.charAt(i)).toLowerCase();
      if (this.length==7) color = this.toLowerCase();
    }
  }
  return (color.length==7 ? color : (arguments[0] || this));
};

/*--------------------------------------------------------------------------*/

Element.collectTextNodes = function(element) {
  return $A($(element).childNodes).collect( function(node) {
    return (node.nodeType==3 ? node.nodeValue :
      (node.hasChildNodes() ? Element.collectTextNodes(node) : ''));
  }).flatten().join('');
};

Element.collectTextNodesIgnoreClass = function(element, className) {
  return $A($(element).childNodes).collect( function(node) {
    return (node.nodeType==3 ? node.nodeValue :
      ((node.hasChildNodes() && !Element.hasClassName(node,className)) ?
        Element.collectTextNodesIgnoreClass(node, className) : ''));
  }).flatten().join('');
};

Element.setContentZoom = function(element, percent) {
  element = $(element);
  element.setStyle({fontSize: (percent/100) + 'em'});
  if (Prototype.Browser.WebKit) window.scrollBy(0,0);
  return element;
};

Element.getInlineOpacity = function(element){
  return $(element).style.opacity || '';
};

Element.forceRerendering = function(element) {
  try {
    element = $(element);
    var n = document.createTextNode(' ');
    element.appendChild(n);
    element.removeChild(n);
  } catch(e) { }
};

/*--------------------------------------------------------------------------*/

var Effect = {
  _elementDoesNotExistError: {
    name: 'ElementDoesNotExistError',
    message: 'The specified DOM element does not exist, but is required for this effect to operate'
  },
  Transitions: {
    linear: Prototype.K,
    sinoidal: function(pos) {
      return (-Math.cos(pos*Math.PI)/2) + .5;
    },
    reverse: function(pos) {
      return 1-pos;
    },
    flicker: function(pos) {
      var pos = ((-Math.cos(pos*Math.PI)/4) + .75) + Math.random()/4;
      return pos > 1 ? 1 : pos;
    },
    wobble: function(pos) {
      return (-Math.cos(pos*Math.PI*(9*pos))/2) + .5;
    },
    pulse: function(pos, pulses) {
      return (-Math.cos((pos*((pulses||5)-.5)*2)*Math.PI)/2) + .5;
    },
    spring: function(pos) {
      return 1 - (Math.cos(pos * 4.5 * Math.PI) * Math.exp(-pos * 6));
    },
    none: function(pos) {
      return 0;
    },
    full: function(pos) {
      return 1;
    }
  },
  DefaultOptions: {
    duration:   1.0,   // seconds
    fps:        100,   // 100= assume 66fps max.
    sync:       false, // true for combining
    from:       0.0,
    to:         1.0,
    delay:      0.0,
    queue:      'parallel'
  },
  tagifyText: function(element) {
    var tagifyStyle = 'position:relative';
    if (Prototype.Browser.IE) tagifyStyle += ';zoom:1';

    element = $(element);
    $A(element.childNodes).each( function(child) {
      if (child.nodeType==3) {
        child.nodeValue.toArray().each( function(character) {
          element.insertBefore(
            new Element('span', {style: tagifyStyle}).update(
              character == ' ' ? String.fromCharCode(160) : character),
              child);
        });
        Element.remove(child);
      }
    });
  },
  multiple: function(element, effect) {
    var elements;
    if (((typeof element == 'object') ||
        Object.isFunction(element)) &&
       (element.length))
      elements = element;
    else
      elements = $(element).childNodes;

    var options = Object.extend({
      speed: 0.1,
      delay: 0.0
    }, arguments[2] || { });
    var masterDelay = options.delay;

    $A(elements).each( function(element, index) {
      new effect(element, Object.extend(options, { delay: index * options.speed + masterDelay }));
    });
  },
  PAIRS: {
    'slide':  ['SlideDown','SlideUp'],
    'blind':  ['BlindDown','BlindUp'],
    'appear': ['Appear','Fade']
  },
  toggle: function(element, effect, options) {
    element = $(element);
    effect  = (effect || 'appear').toLowerCase();
    
    return Effect[ Effect.PAIRS[ effect ][ element.visible() ? 1 : 0 ] ](element, Object.extend({
      queue: { position:'end', scope:(element.id || 'global'), limit: 1 }
    }, options || {}));
  }
};

Effect.DefaultOptions.transition = Effect.Transitions.sinoidal;

/* ------------- core effects ------------- */

Effect.ScopedQueue = Class.create(Enumerable, {
  initialize: function() {
    this.effects  = [];
    this.interval = null;
  },
  _each: function(iterator) {
    this.effects._each(iterator);
  },
  add: function(effect) {
    var timestamp = new Date().getTime();

    var position = Object.isString(effect.options.queue) ?
      effect.options.queue : effect.options.queue.position;

    switch(position) {
      case 'front':
        // move unstarted effects after this effect
        this.effects.findAll(function(e){ return e.state=='idle' }).each( function(e) {
            e.startOn  += effect.finishOn;
            e.finishOn += effect.finishOn;
          });
        break;
      case 'with-last':
        timestamp = this.effects.pluck('startOn').max() || timestamp;
        break;
      case 'end':
        // start effect after last queued effect has finished
        timestamp = this.effects.pluck('finishOn').max() || timestamp;
        break;
    }

    effect.startOn  += timestamp;
    effect.finishOn += timestamp;

    if (!effect.options.queue.limit || (this.effects.length < effect.options.queue.limit))
      this.effects.push(effect);

    if (!this.interval)
      this.interval = setInterval(this.loop.bind(this), 15);
  },
  remove: function(effect) {
    this.effects = this.effects.reject(function(e) { return e==effect });
    if (this.effects.length == 0) {
      clearInterval(this.interval);
      this.interval = null;
    }
  },
  loop: function() {
    var timePos = new Date().getTime();
    for(var i=0, len=this.effects.length;i<len;i++)
      this.effects[i] && this.effects[i].loop(timePos);
  }
});

Effect.Queues = {
  instances: $H(),
  get: function(queueName) {
    if (!Object.isString(queueName)) return queueName;

    return this.instances.get(queueName) ||
      this.instances.set(queueName, new Effect.ScopedQueue());
  }
};
Effect.Queue = Effect.Queues.get('global');

Effect.Base = Class.create({
  position: null,
  start: function(options) {
    if (options && options.transition === false) options.transition = Effect.Transitions.linear;
    this.options      = Object.extend(Object.extend({ },Effect.DefaultOptions), options || { });
    this.currentFrame = 0;
    this.state        = 'idle';
    this.startOn      = this.options.delay*1000;
    this.finishOn     = this.startOn+(this.options.duration*1000);
    this.fromToDelta  = this.options.to-this.options.from;
    this.totalTime    = this.finishOn-this.startOn;
    this.totalFrames  = this.options.fps*this.options.duration;

    this.render = (function() {
      function dispatch(effect, eventName) {
        if (effect.options[eventName + 'Internal'])
          effect.options[eventName + 'Internal'](effect);
        if (effect.options[eventName])
          effect.options[eventName](effect);
      }

      return function(pos) {
        if (this.state === "idle") {
          this.state = "running";
          dispatch(this, 'beforeSetup');
          if (this.setup) this.setup();
          dispatch(this, 'afterSetup');
        }
        if (this.state === "running") {
          pos = (this.options.transition(pos) * this.fromToDelta) + this.options.from;
          this.position = pos;
          dispatch(this, 'beforeUpdate');
          if (this.update) this.update(pos);
          dispatch(this, 'afterUpdate');
        }
      };
    })();

    this.event('beforeStart');
    if (!this.options.sync)
      Effect.Queues.get(Object.isString(this.options.queue) ?
        'global' : this.options.queue.scope).add(this);
  },
  loop: function(timePos) {
    if (timePos >= this.startOn) {
      if (timePos >= this.finishOn) {
        this.render(1.0);
        this.cancel();
        this.event('beforeFinish');
        if (this.finish) this.finish();
        this.event('afterFinish');
        return;
      }
      var pos   = (timePos - this.startOn) / this.totalTime,
          frame = (pos * this.totalFrames).round();
      if (frame > this.currentFrame) {
        this.render(pos);
        this.currentFrame = frame;
      }
    }
  },
  cancel: function() {
    if (!this.options.sync)
      Effect.Queues.get(Object.isString(this.options.queue) ?
        'global' : this.options.queue.scope).remove(this);
    this.state = 'finished';
  },
  event: function(eventName) {
    if (this.options[eventName + 'Internal']) this.options[eventName + 'Internal'](this);
    if (this.options[eventName]) this.options[eventName](this);
  },
  inspect: function() {
    var data = $H();
    for(property in this)
      if (!Object.isFunction(this[property])) data.set(property, this[property]);
    return '#<Effect:' + data.inspect() + ',options:' + $H(this.options).inspect() + '>';
  }
});

Effect.Parallel = Class.create(Effect.Base, {
  initialize: function(effects) {
    this.effects = effects || [];
    this.start(arguments[1]);
  },
  update: function(position) {
    this.effects.invoke('render', position);
  },
  finish: function(position) {
    this.effects.each( function(effect) {
      effect.render(1.0);
      effect.cancel();
      effect.event('beforeFinish');
      if (effect.finish) effect.finish(position);
      effect.event('afterFinish');
    });
  }
});

Effect.Tween = Class.create(Effect.Base, {
  initialize: function(object, from, to) {
    object = Object.isString(object) ? $(object) : object;
    var args = $A(arguments), method = args.last(),
      options = args.length == 5 ? args[3] : null;
    this.method = Object.isFunction(method) ? method.bind(object) :
      Object.isFunction(object[method]) ? object[method].bind(object) :
      function(value) { object[method] = value };
    this.start(Object.extend({ from: from, to: to }, options || { }));
  },
  update: function(position) {
    this.method(position);
  }
});

Effect.Event = Class.create(Effect.Base, {
  initialize: function() {
    this.start(Object.extend({ duration: 0 }, arguments[0] || { }));
  },
  update: Prototype.emptyFunction
});

Effect.Opacity = Class.create(Effect.Base, {
  initialize: function(element) {
    this.element = $(element);
    if (!this.element) throw(Effect._elementDoesNotExistError);
    // make this work on IE on elements without 'layout'
    if (Prototype.Browser.IE && (!this.element.currentStyle.hasLayout))
      this.element.setStyle({zoom: 1});
    var options = Object.extend({
      from: this.element.getOpacity() || 0.0,
      to:   1.0
    }, arguments[1] || { });
    this.start(options);
  },
  update: function(position) {
    this.element.setOpacity(position);
  }
});

Effect.Move = Class.create(Effect.Base, {
  initialize: function(element) {
    this.element = $(element);
    if (!this.element) throw(Effect._elementDoesNotExistError);
    var options = Object.extend({
      x:    0,
      y:    0,
      mode: 'relative'
    }, arguments[1] || { });
    this.start(options);
  },
  setup: function() {
    this.element.makePositioned();
    this.originalLeft = parseFloat(this.element.getStyle('left') || '0');
    this.originalTop  = parseFloat(this.element.getStyle('top')  || '0');
    if (this.options.mode == 'absolute') {
      this.options.x = this.options.x - this.originalLeft;
      this.options.y = this.options.y - this.originalTop;
    }
  },
  update: function(position) {
    this.element.setStyle({
      left: (this.options.x  * position + this.originalLeft).round() + 'px',
      top:  (this.options.y  * position + this.originalTop).round()  + 'px'
    });
  }
});

// for backwards compatibility
Effect.MoveBy = function(element, toTop, toLeft) {
  return new Effect.Move(element,
    Object.extend({ x: toLeft, y: toTop }, arguments[3] || { }));
};

Effect.Scale = Class.create(Effect.Base, {
  initialize: function(element, percent) {
    this.element = $(element);
    if (!this.element) throw(Effect._elementDoesNotExistError);
    var options = Object.extend({
      scaleX: true,
      scaleY: true,
      scaleContent: true,
      scaleFromCenter: false,
      scaleMode: 'box',        // 'box' or 'contents' or { } with provided values
      scaleFrom: 100.0,
      scaleTo:   percent
    }, arguments[2] || { });
    this.start(options);
  },
  setup: function() {
    this.restoreAfterFinish = this.options.restoreAfterFinish || false;
    this.elementPositioning = this.element.getStyle('position');

    this.originalStyle = { };
    ['top','left','width','height','fontSize'].each( function(k) {
      this.originalStyle[k] = this.element.style[k];
    }.bind(this));

    this.originalTop  = this.element.offsetTop;
    this.originalLeft = this.element.offsetLeft;

    var fontSize = this.element.getStyle('font-size') || '100%';
    ['em','px','%','pt'].each( function(fontSizeType) {
      if (fontSize.indexOf(fontSizeType)>0) {
        this.fontSize     = parseFloat(fontSize);
        this.fontSizeType = fontSizeType;
      }
    }.bind(this));

    this.factor = (this.options.scaleTo - this.options.scaleFrom)/100;

    this.dims = null;
    if (this.options.scaleMode=='box')
      this.dims = [this.element.offsetHeight, this.element.offsetWidth];
    if (/^content/.test(this.options.scaleMode))
      this.dims = [this.element.scrollHeight, this.element.scrollWidth];
    if (!this.dims)
      this.dims = [this.options.scaleMode.originalHeight,
                   this.options.scaleMode.originalWidth];
  },
  update: function(position) {
    var currentScale = (this.options.scaleFrom/100.0) + (this.factor * position);
    if (this.options.scaleContent && this.fontSize)
      this.element.setStyle({fontSize: this.fontSize * currentScale + this.fontSizeType });
    this.setDimensions(this.dims[0] * currentScale, this.dims[1] * currentScale);
  },
  finish: function(position) {
    if (this.restoreAfterFinish) this.element.setStyle(this.originalStyle);
  },
  setDimensions: function(height, width) {
    var d = { };
    if (this.options.scaleX) d.width = width.round() + 'px';
    if (this.options.scaleY) d.height = height.round() + 'px';
    if (this.options.scaleFromCenter) {
      var topd  = (height - this.dims[0])/2;
      var leftd = (width  - this.dims[1])/2;
      if (this.elementPositioning == 'absolute') {
        if (this.options.scaleY) d.top = this.originalTop-topd + 'px';
        if (this.options.scaleX) d.left = this.originalLeft-leftd + 'px';
      } else {
        if (this.options.scaleY) d.top = -topd + 'px';
        if (this.options.scaleX) d.left = -leftd + 'px';
      }
    }
    this.element.setStyle(d);
  }
});

Effect.Highlight = Class.create(Effect.Base, {
  initialize: function(element) {
    this.element = $(element);
    if (!this.element) throw(Effect._elementDoesNotExistError);
    var options = Object.extend({ startcolor: '#ffff99' }, arguments[1] || { });
    this.start(options);
  },
  setup: function() {
    // Prevent executing on elements not in the layout flow
    if (this.element.getStyle('display')=='none') { this.cancel(); return; }
    // Disable background image during the effect
    this.oldStyle = { };
    if (!this.options.keepBackgroundImage) {
      this.oldStyle.backgroundImage = this.element.getStyle('background-image');
      this.element.setStyle({backgroundImage: 'none'});
    }
    if (!this.options.endcolor)
      this.options.endcolor = this.element.getStyle('background-color').parseColor('#ffffff');
    if (!this.options.restorecolor)
      this.options.restorecolor = this.element.getStyle('background-color');
    // init color calculations
    this._base  = $R(0,2).map(function(i){ return parseInt(this.options.startcolor.slice(i*2+1,i*2+3),16) }.bind(this));
    this._delta = $R(0,2).map(function(i){ return parseInt(this.options.endcolor.slice(i*2+1,i*2+3),16)-this._base[i] }.bind(this));
  },
  update: function(position) {
    this.element.setStyle({backgroundColor: $R(0,2).inject('#',function(m,v,i){
      return m+((this._base[i]+(this._delta[i]*position)).round().toColorPart()); }.bind(this)) });
  },
  finish: function() {
    this.element.setStyle(Object.extend(this.oldStyle, {
      backgroundColor: this.options.restorecolor
    }));
  }
});

Effect.ScrollTo = function(element) {
  var options = arguments[1] || { },
  scrollOffsets = document.viewport.getScrollOffsets(),
  elementOffsets = $(element).cumulativeOffset();

  if (options.offset) elementOffsets[1] += options.offset;

  return new Effect.Tween(null,
    scrollOffsets.top,
    elementOffsets[1],
    options,
    function(p){ scrollTo(scrollOffsets.left, p.round()); }
  );
};

/* ------------- combination effects ------------- */

Effect.Fade = function(element) {
  element = $(element);
  var oldOpacity = element.getInlineOpacity();
  var options = Object.extend({
    from: element.getOpacity() || 1.0,
    to:   0.0,
    afterFinishInternal: function(effect) {
      if (effect.options.to!=0) return;
      effect.element.hide().setStyle({opacity: oldOpacity});
    }
  }, arguments[1] || { });
  return new Effect.Opacity(element,options);
};

Effect.Appear = function(element) {
  element = $(element);
  var options = Object.extend({
  from: (element.getStyle('display') == 'none' ? 0.0 : element.getOpacity() || 0.0),
  to:   1.0,
  // force Safari to render floated elements properly
  afterFinishInternal: function(effect) {
    effect.element.forceRerendering();
  },
  beforeSetup: function(effect) {
    effect.element.setOpacity(effect.options.from).show();
  }}, arguments[1] || { });
  return new Effect.Opacity(element,options);
};

Effect.Puff = function(element) {
  element = $(element);
  var oldStyle = {
    opacity: element.getInlineOpacity(),
    position: element.getStyle('position'),
    top:  element.style.top,
    left: element.style.left,
    width: element.style.width,
    height: element.style.height
  };
  return new Effect.Parallel(
   [ new Effect.Scale(element, 200,
      { sync: true, scaleFromCenter: true, scaleContent: true, restoreAfterFinish: true }),
     new Effect.Opacity(element, { sync: true, to: 0.0 } ) ],
     Object.extend({ duration: 1.0,
      beforeSetupInternal: function(effect) {
        Position.absolutize(effect.effects[0].element);
      },
      afterFinishInternal: function(effect) {
         effect.effects[0].element.hide().setStyle(oldStyle); }
     }, arguments[1] || { })
   );
};

Effect.BlindUp = function(element) {
  element = $(element);
  element.makeClipping();
  return new Effect.Scale(element, 0,
    Object.extend({ scaleContent: false,
      scaleX: false,
      restoreAfterFinish: true,
      afterFinishInternal: function(effect) {
        effect.element.hide().undoClipping();
      }
    }, arguments[1] || { })
  );
};

Effect.BlindDown = function(element) {
  element = $(element);
  var elementDimensions = element.getDimensions();
  return new Effect.Scale(element, 100, Object.extend({
    scaleContent: false,
    scaleX: false,
    scaleFrom: 0,
    scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
    restoreAfterFinish: true,
    afterSetup: function(effect) {
      effect.element.makeClipping().setStyle({height: '0px'}).show();
    },
    afterFinishInternal: function(effect) {
      effect.element.undoClipping();
    }
  }, arguments[1] || { }));
};

Effect.SwitchOff = function(element) {
  element = $(element);
  var oldOpacity = element.getInlineOpacity();
  return new Effect.Appear(element, Object.extend({
    duration: 0.4,
    from: 0,
    transition: Effect.Transitions.flicker,
    afterFinishInternal: function(effect) {
      new Effect.Scale(effect.element, 1, {
        duration: 0.3, scaleFromCenter: true,
        scaleX: false, scaleContent: false, restoreAfterFinish: true,
        beforeSetup: function(effect) {
          effect.element.makePositioned().makeClipping();
        },
        afterFinishInternal: function(effect) {
          effect.element.hide().undoClipping().undoPositioned().setStyle({opacity: oldOpacity});
        }
      });
    }
  }, arguments[1] || { }));
};

Effect.DropOut = function(element) {
  element = $(element);
  var oldStyle = {
    top: element.getStyle('top'),
    left: element.getStyle('left'),
    opacity: element.getInlineOpacity() };
  return new Effect.Parallel(
    [ new Effect.Move(element, {x: 0, y: 100, sync: true }),
      new Effect.Opacity(element, { sync: true, to: 0.0 }) ],
    Object.extend(
      { duration: 0.5,
        beforeSetup: function(effect) {
          effect.effects[0].element.makePositioned();
        },
        afterFinishInternal: function(effect) {
          effect.effects[0].element.hide().undoPositioned().setStyle(oldStyle);
        }
      }, arguments[1] || { }));
};

Effect.Shake = function(element) {
  element = $(element);
  var options = Object.extend({
    distance: 20,
    duration: 0.5
  }, arguments[1] || {});
  var distance = parseFloat(options.distance);
  var split = parseFloat(options.duration) / 10.0;
  var oldStyle = {
    top: element.getStyle('top'),
    left: element.getStyle('left') };
    return new Effect.Move(element,
      { x:  distance, y: 0, duration: split, afterFinishInternal: function(effect) {
    new Effect.Move(effect.element,
      { x: -distance*2, y: 0, duration: split*2,  afterFinishInternal: function(effect) {
    new Effect.Move(effect.element,
      { x:  distance*2, y: 0, duration: split*2,  afterFinishInternal: function(effect) {
    new Effect.Move(effect.element,
      { x: -distance*2, y: 0, duration: split*2,  afterFinishInternal: function(effect) {
    new Effect.Move(effect.element,
      { x:  distance*2, y: 0, duration: split*2,  afterFinishInternal: function(effect) {
    new Effect.Move(effect.element,
      { x: -distance, y: 0, duration: split, afterFinishInternal: function(effect) {
        effect.element.undoPositioned().setStyle(oldStyle);
  }}); }}); }}); }}); }}); }});
};

Effect.SlideDown = function(element) {
  element = $(element).cleanWhitespace();
  // SlideDown need to have the content of the element wrapped in a container element with fixed height!
  var oldInnerBottom = element.down().getStyle('bottom');
  var elementDimensions = element.getDimensions();
  return new Effect.Scale(element, 100, Object.extend({
    scaleContent: false,
    scaleX: false,
    scaleFrom: window.opera ? 0 : 1,
    scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
    restoreAfterFinish: true,
    afterSetup: function(effect) {
      effect.element.makePositioned();
      effect.element.down().makePositioned();
      if (window.opera) effect.element.setStyle({top: ''});
      effect.element.makeClipping().setStyle({height: '0px'}).show();
    },
    afterUpdateInternal: function(effect) {
      effect.element.down().setStyle({bottom:
        (effect.dims[0] - effect.element.clientHeight) + 'px' });
    },
    afterFinishInternal: function(effect) {
      effect.element.undoClipping().undoPositioned();
      effect.element.down().undoPositioned().setStyle({bottom: oldInnerBottom}); }
    }, arguments[1] || { })
  );
};

Effect.SlideUp = function(element) {
  element = $(element).cleanWhitespace();
  var oldInnerBottom = element.down().getStyle('bottom');
  var elementDimensions = element.getDimensions();
  return new Effect.Scale(element, window.opera ? 0 : 1,
   Object.extend({ scaleContent: false,
    scaleX: false,
    scaleMode: 'box',
    scaleFrom: 100,
    scaleMode: {originalHeight: elementDimensions.height, originalWidth: elementDimensions.width},
    restoreAfterFinish: true,
    afterSetup: function(effect) {
      effect.element.makePositioned();
      effect.element.down().makePositioned();
      if (window.opera) effect.element.setStyle({top: ''});
      effect.element.makeClipping().show();
    },
    afterUpdateInternal: function(effect) {
      effect.element.down().setStyle({bottom:
        (effect.dims[0] - effect.element.clientHeight) + 'px' });
    },
    afterFinishInternal: function(effect) {
      effect.element.hide().undoClipping().undoPositioned();
      effect.element.down().undoPositioned().setStyle({bottom: oldInnerBottom});
    }
   }, arguments[1] || { })
  );
};

// Bug in opera makes the TD containing this element expand for a instance after finish
Effect.Squish = function(element) {
  return new Effect.Scale(element, window.opera ? 1 : 0, {
    restoreAfterFinish: true,
    beforeSetup: function(effect) {
      effect.element.makeClipping();
    },
    afterFinishInternal: function(effect) {
      effect.element.hide().undoClipping();
    }
  });
};

Effect.Grow = function(element) {
  element = $(element);
  var options = Object.extend({
    direction: 'center',
    moveTransition: Effect.Transitions.sinoidal,
    scaleTransition: Effect.Transitions.sinoidal,
    opacityTransition: Effect.Transitions.full
  }, arguments[1] || { });
  var oldStyle = {
    top: element.style.top,
    left: element.style.left,
    height: element.style.height,
    width: element.style.width,
    opacity: element.getInlineOpacity() };

  var dims = element.getDimensions();
  var initialMoveX, initialMoveY;
  var moveX, moveY;

  switch (options.direction) {
    case 'top-left':
      initialMoveX = initialMoveY = moveX = moveY = 0;
      break;
    case 'top-right':
      initialMoveX = dims.width;
      initialMoveY = moveY = 0;
      moveX = -dims.width;
      break;
    case 'bottom-left':
      initialMoveX = moveX = 0;
      initialMoveY = dims.height;
      moveY = -dims.height;
      break;
    case 'bottom-right':
      initialMoveX = dims.width;
      initialMoveY = dims.height;
      moveX = -dims.width;
      moveY = -dims.height;
      break;
    case 'center':
      initialMoveX = dims.width / 2;
      initialMoveY = dims.height / 2;
      moveX = -dims.width / 2;
      moveY = -dims.height / 2;
      break;
  }

  return new Effect.Move(element, {
    x: initialMoveX,
    y: initialMoveY,
    duration: 0.01,
    beforeSetup: function(effect) {
      effect.element.hide().makeClipping().makePositioned();
    },
    afterFinishInternal: function(effect) {
      new Effect.Parallel(
        [ new Effect.Opacity(effect.element, { sync: true, to: 1.0, from: 0.0, transition: options.opacityTransition }),
          new Effect.Move(effect.element, { x: moveX, y: moveY, sync: true, transition: options.moveTransition }),
          new Effect.Scale(effect.element, 100, {
            scaleMode: { originalHeight: dims.height, originalWidth: dims.width },
            sync: true, scaleFrom: window.opera ? 1 : 0, transition: options.scaleTransition, restoreAfterFinish: true})
        ], Object.extend({
             beforeSetup: function(effect) {
               effect.effects[0].element.setStyle({height: '0px'}).show();
             },
             afterFinishInternal: function(effect) {
               effect.effects[0].element.undoClipping().undoPositioned().setStyle(oldStyle);
             }
           }, options)
      );
    }
  });
};

Effect.Shrink = function(element) {
  element = $(element);
  var options = Object.extend({
    direction: 'center',
    moveTransition: Effect.Transitions.sinoidal,
    scaleTransition: Effect.Transitions.sinoidal,
    opacityTransition: Effect.Transitions.none
  }, arguments[1] || { });
  var oldStyle = {
    top: element.style.top,
    left: element.style.left,
    height: element.style.height,
    width: element.style.width,
    opacity: element.getInlineOpacity() };

  var dims = element.getDimensions();
  var moveX, moveY;

  switch (options.direction) {
    case 'top-left':
      moveX = moveY = 0;
      break;
    case 'top-right':
      moveX = dims.width;
      moveY = 0;
      break;
    case 'bottom-left':
      moveX = 0;
      moveY = dims.height;
      break;
    case 'bottom-right':
      moveX = dims.width;
      moveY = dims.height;
      break;
    case 'center':
      moveX = dims.width / 2;
      moveY = dims.height / 2;
      break;
  }

  return new Effect.Parallel(
    [ new Effect.Opacity(element, { sync: true, to: 0.0, from: 1.0, transition: options.opacityTransition }),
      new Effect.Scale(element, window.opera ? 1 : 0, { sync: true, transition: options.scaleTransition, restoreAfterFinish: true}),
      new Effect.Move(element, { x: moveX, y: moveY, sync: true, transition: options.moveTransition })
    ], Object.extend({
         beforeStartInternal: function(effect) {
           effect.effects[0].element.makePositioned().makeClipping();
         },
         afterFinishInternal: function(effect) {
           effect.effects[0].element.hide().undoClipping().undoPositioned().setStyle(oldStyle); }
       }, options)
  );
};

Effect.Pulsate = function(element) {
  element = $(element);
  var options    = arguments[1] || { },
    oldOpacity = element.getInlineOpacity(),
    transition = options.transition || Effect.Transitions.linear,
    reverser   = function(pos){
      return 1 - transition((-Math.cos((pos*(options.pulses||5)*2)*Math.PI)/2) + .5);
    };

  return new Effect.Opacity(element,
    Object.extend(Object.extend({  duration: 2.0, from: 0,
      afterFinishInternal: function(effect) { effect.element.setStyle({opacity: oldOpacity}); }
    }, options), {transition: reverser}));
};

Effect.Fold = function(element) {
  element = $(element);
  var oldStyle = {
    top: element.style.top,
    left: element.style.left,
    width: element.style.width,
    height: element.style.height };
  element.makeClipping();
  return new Effect.Scale(element, 5, Object.extend({
    scaleContent: false,
    scaleX: false,
    afterFinishInternal: function(effect) {
    new Effect.Scale(element, 1, {
      scaleContent: false,
      scaleY: false,
      afterFinishInternal: function(effect) {
        effect.element.hide().undoClipping().setStyle(oldStyle);
      } });
  }}, arguments[1] || { }));
};

Effect.Morph = Class.create(Effect.Base, {
  initialize: function(element) {
    this.element = $(element);
    if (!this.element) throw(Effect._elementDoesNotExistError);
    var options = Object.extend({
      style: { }
    }, arguments[1] || { });

    if (!Object.isString(options.style)) this.style = $H(options.style);
    else {
      if (options.style.include(':'))
        this.style = options.style.parseStyle();
      else {
        this.element.addClassName(options.style);
        this.style = $H(this.element.getStyles());
        this.element.removeClassName(options.style);
        var css = this.element.getStyles();
        this.style = this.style.reject(function(style) {
          return style.value == css[style.key];
        });
        options.afterFinishInternal = function(effect) {
          effect.element.addClassName(effect.options.style);
          effect.transforms.each(function(transform) {
            effect.element.style[transform.style] = '';
          });
        };
      }
    }
    this.start(options);
  },

  setup: function(){
    function parseColor(color){
      if (!color || ['rgba(0, 0, 0, 0)','transparent'].include(color)) color = '#ffffff';
      color = color.parseColor();
      return $R(0,2).map(function(i){
        return parseInt( color.slice(i*2+1,i*2+3), 16 );
      });
    }
    this.transforms = this.style.map(function(pair){
      var property = pair[0], value = pair[1], unit = null;

      if (value.parseColor('#zzzzzz') != '#zzzzzz') {
        value = value.parseColor();
        unit  = 'color';
      } else if (property == 'opacity') {
        value = parseFloat(value);
        if (Prototype.Browser.IE && (!this.element.currentStyle.hasLayout))
          this.element.setStyle({zoom: 1});
      } else if (Element.CSS_LENGTH.test(value)) {
          var components = value.match(/^([\+\-]?[0-9\.]+)(.*)$/);
          value = parseFloat(components[1]);
          unit = (components.length == 3) ? components[2] : null;
      }

      var originalValue = this.element.getStyle(property);
      return {
        style: property.camelize(),
        originalValue: unit=='color' ? parseColor(originalValue) : parseFloat(originalValue || 0),
        targetValue: unit=='color' ? parseColor(value) : value,
        unit: unit
      };
    }.bind(this)).reject(function(transform){
      return (
        (transform.originalValue == transform.targetValue) ||
        (
          transform.unit != 'color' &&
          (isNaN(transform.originalValue) || isNaN(transform.targetValue))
        )
      );
    });
  },
  update: function(position) {
    var style = { }, transform, i = this.transforms.length;
    while(i--)
      style[(transform = this.transforms[i]).style] =
        transform.unit=='color' ? '#'+
          (Math.round(transform.originalValue[0]+
            (transform.targetValue[0]-transform.originalValue[0])*position)).toColorPart() +
          (Math.round(transform.originalValue[1]+
            (transform.targetValue[1]-transform.originalValue[1])*position)).toColorPart() +
          (Math.round(transform.originalValue[2]+
            (transform.targetValue[2]-transform.originalValue[2])*position)).toColorPart() :
        (transform.originalValue +
          (transform.targetValue - transform.originalValue) * position).toFixed(3) +
            (transform.unit === null ? '' : transform.unit);
    this.element.setStyle(style, true);
  }
});

Effect.Transform = Class.create({
  initialize: function(tracks){
    this.tracks  = [];
    this.options = arguments[1] || { };
    this.addTracks(tracks);
  },
  addTracks: function(tracks){
    tracks.each(function(track){
      track = $H(track);
      var data = track.values().first();
      this.tracks.push($H({
        ids:     track.keys().first(),
        effect:  Effect.Morph,
        options: { style: data }
      }));
    }.bind(this));
    return this;
  },
  play: function(){
    return new Effect.Parallel(
      this.tracks.map(function(track){
        var ids = track.get('ids'), effect = track.get('effect'), options = track.get('options');
        var elements = [$(ids) || $$(ids)].flatten();
        return elements.map(function(e){ return new effect(e, Object.extend({ sync:true }, options)) });
      }).flatten(),
      this.options
    );
  }
});

Element.CSS_PROPERTIES = $w(
  'backgroundColor backgroundPosition borderBottomColor borderBottomStyle ' +
  'borderBottomWidth borderLeftColor borderLeftStyle borderLeftWidth ' +
  'borderRightColor borderRightStyle borderRightWidth borderSpacing ' +
  'borderTopColor borderTopStyle borderTopWidth bottom clip color ' +
  'fontSize fontWeight height left letterSpacing lineHeight ' +
  'marginBottom marginLeft marginRight marginTop markerOffset maxHeight '+
  'maxWidth minHeight minWidth opacity outlineColor outlineOffset ' +
  'outlineWidth paddingBottom paddingLeft paddingRight paddingTop ' +
  'right textIndent top width wordSpacing zIndex');

Element.CSS_LENGTH = /^(([\+\-]?[0-9\.]+)(em|ex|px|in|cm|mm|pt|pc|\%))|0$/;

String.__parseStyleElement = document.createElement('div');
String.prototype.parseStyle = function(){
  var style, styleRules = $H();
  if (Prototype.Browser.WebKit)
    style = new Element('div',{style:this}).style;
  else {
    String.__parseStyleElement.innerHTML = '<div style="' + this + '"></div>';
    style = String.__parseStyleElement.childNodes[0].style;
  }

  Element.CSS_PROPERTIES.each(function(property){
    if (style[property]) styleRules.set(property, style[property]);
  });

  if (Prototype.Browser.IE && this.include('opacity'))
    styleRules.set('opacity', this.match(/opacity:\s*((?:0|1)?(?:\.\d*)?)/)[1]);

  return styleRules;
};

if (document.defaultView && document.defaultView.getComputedStyle) {
  Element.getStyles = function(element) {
    var css = document.defaultView.getComputedStyle($(element), null);
    return Element.CSS_PROPERTIES.inject({ }, function(styles, property) {
      styles[property] = css[property];
      return styles;
    });
  };
} else {
  Element.getStyles = function(element) {
    element = $(element);
    var css = element.currentStyle, styles;
    styles = Element.CSS_PROPERTIES.inject({ }, function(results, property) {
      results[property] = css[property];
      return results;
    });
    if (!styles.opacity) styles.opacity = element.getOpacity();
    return styles;
  };
}

Effect.Methods = {
  morph: function(element, style) {
    element = $(element);
    new Effect.Morph(element, Object.extend({ style: style }, arguments[2] || { }));
    return element;
  },
  visualEffect: function(element, effect, options) {
    element = $(element);
    var s = effect.dasherize().camelize(), klass = s.charAt(0).toUpperCase() + s.substring(1);
    new Effect[klass](element, options);
    return element;
  },
  highlight: function(element, options) {
    element = $(element);
    new Effect.Highlight(element, options);
    return element;
  }
};

$w('fade appear grow shrink fold blindUp blindDown slideUp slideDown '+
  'pulsate shake puff squish switchOff dropOut').each(
  function(effect) {
    Effect.Methods[effect] = function(element, options){
      element = $(element);
      Effect[effect.charAt(0).toUpperCase() + effect.substring(1)](element, options);
      return element;
    };
  }
);

$w('getInlineOpacity forceRerendering setContentZoom collectTextNodes collectTextNodesIgnoreClass getStyles').each(
  function(f) { Effect.Methods[f] = Element[f]; }
);

Element.addMethods(Effect.Methods);// script.aculo.us builder.js v1.8.3, Thu Oct 08 11:23:33 +0200 2009

// Copyright (c) 2005-2009 Thomas Fuchs (http://script.aculo.us, http://mir.aculo.us)
//
// script.aculo.us is freely distributable under the terms of an MIT-style license.
// For details, see the script.aculo.us web site: http://script.aculo.us/

var Builder = {
  NODEMAP: {
    AREA: 'map',
    CAPTION: 'table',
    COL: 'table',
    COLGROUP: 'table',
    LEGEND: 'fieldset',
    OPTGROUP: 'select',
    OPTION: 'select',
    PARAM: 'object',
    TBODY: 'table',
    TD: 'table',
    TFOOT: 'table',
    TH: 'table',
    THEAD: 'table',
    TR: 'table'
  },
  // note: For Firefox < 1.5, OPTION and OPTGROUP tags are currently broken,
  //       due to a Firefox bug
  node: function(elementName) {
    elementName = elementName.toUpperCase();

    // try innerHTML approach
    var parentTag = this.NODEMAP[elementName] || 'div';
    var parentElement = document.createElement(parentTag);
    try { // prevent IE "feature": http://dev.rubyonrails.org/ticket/2707
      parentElement.innerHTML = "<" + elementName + "></" + elementName + ">";
    } catch(e) {}
    var element = parentElement.firstChild || null;

    // see if browser added wrapping tags
    if(element && (element.tagName.toUpperCase() != elementName))
      element = element.getElementsByTagName(elementName)[0];

    // fallback to createElement approach
    if(!element) element = document.createElement(elementName);

    // abort if nothing could be created
    if(!element) return;

    // attributes (or text)
    if(arguments[1])
      if(this._isStringOrNumber(arguments[1]) ||
        (arguments[1] instanceof Array) ||
        arguments[1].tagName) {
          this._children(element, arguments[1]);
        } else {
          var attrs = this._attributes(arguments[1]);
          if(attrs.length) {
            try { // prevent IE "feature": http://dev.rubyonrails.org/ticket/2707
              parentElement.innerHTML = "<" +elementName + " " +
                attrs + "></" + elementName + ">";
            } catch(e) {}
            element = parentElement.firstChild || null;
            // workaround firefox 1.0.X bug
            if(!element) {
              element = document.createElement(elementName);
              for(attr in arguments[1])
                element[attr == 'class' ? 'className' : attr] = arguments[1][attr];
            }
            if(element.tagName.toUpperCase() != elementName)
              element = parentElement.getElementsByTagName(elementName)[0];
          }
        }

    // text, or array of children
    if(arguments[2])
      this._children(element, arguments[2]);

     return $(element);
  },
  _text: function(text) {
     return document.createTextNode(text);
  },

  ATTR_MAP: {
    'className': 'class',
    'htmlFor': 'for'
  },

  _attributes: function(attributes) {
    var attrs = [];
    for(attribute in attributes)
      attrs.push((attribute in this.ATTR_MAP ? this.ATTR_MAP[attribute] : attribute) +
          '="' + attributes[attribute].toString().escapeHTML().gsub(/"/,'&quot;') + '"');
    return attrs.join(" ");
  },
  _children: function(element, children) {
    if(children.tagName) {
      element.appendChild(children);
      return;
    }
    if(typeof children=='object') { // array can hold nodes and text
      children.flatten().each( function(e) {
        if(typeof e=='object')
          element.appendChild(e);
        else
          if(Builder._isStringOrNumber(e))
            element.appendChild(Builder._text(e));
      });
    } else
      if(Builder._isStringOrNumber(children))
        element.appendChild(Builder._text(children));
  },
  _isStringOrNumber: function(param) {
    return(typeof param=='string' || typeof param=='number');
  },
  build: function(html) {
    var element = this.node('div');
    $(element).update(html.strip());
    return element.down();
  },
  dump: function(scope) {
    if(typeof scope != 'object' && typeof scope != 'function') scope = window; //global scope

    var tags = ("A ABBR ACRONYM ADDRESS APPLET AREA B BASE BASEFONT BDO BIG BLOCKQUOTE BODY " +
      "BR BUTTON CAPTION CENTER CITE CODE COL COLGROUP DD DEL DFN DIR DIV DL DT EM FIELDSET " +
      "FONT FORM FRAME FRAMESET H1 H2 H3 H4 H5 H6 HEAD HR HTML I IFRAME IMG INPUT INS ISINDEX "+
      "KBD LABEL LEGEND LI LINK MAP MENU META NOFRAMES NOSCRIPT OBJECT OL OPTGROUP OPTION P "+
      "PARAM PRE Q S SAMP SCRIPT SELECT SMALL SPAN STRIKE STRONG STYLE SUB SUP TABLE TBODY TD "+
      "TEXTAREA TFOOT TH THEAD TITLE TR TT U UL VAR").split(/\s+/);

    tags.each( function(tag){
      scope[tag] = function() {
        return Builder.node.apply(Builder, [tag].concat($A(arguments)));
      };
    });
  }
};document.observe("dom:loaded", function() {
	try {
  	activateLists();
    activateBlankTarget();
  } 
  catch(err){
  	alert(err);
  }
});

Event.observe(window, 'load', function() {
	try {
		start_slideshow();
  } catch(err) {
  }
});

try {
	Element.addMethods({
	  ajaxUpdate: function(element, url, options){
	    element = $(element);
      element.update('<img src="/mf/web/script/ajaxloader.gif" alt="" title="loading..." style="width:16px;height:16px;" />');
      new Ajax.Updater(element, url, options);
      return element;
  		}
		});
	}
catch(err){
//	alert(err);
}

function activateBlankTarget(){
	$$('a[rel="external"]').each(function(a){a.target = '_blank';});
}

function rusure(value) {
  if(confirm(value)) {return true;}
  else {return false}
}

function checkMandatoryFields(){
	$$('.mandatory').each(function(f){
  	$(f).removeClassName('bgErr');
  });
	var containsErr = 'OK';
	$$('.mandatory').each(function(f){
  	if ($(f).hasClassName('email')){if(validateStr($F(f),'email')==false) {containsErr = 'ERR';$(f).addClassName('bgErr');}}
  	if ($(f).hasClassName('phone')){if(validateStr($F(f),'phone')==false) {containsErr = 'ERR';$(f).addClassName('bgErr');}}
  	if ($(f).hasClassName('minlength')){if(validateStr($F(f),'minlength')==false) {containsErr = 'ERR';$(f).addClassName('bgErr');}}
  });
 	return containsErr;
}

function enableForm(){
	if($('WFID')){
  	var containerId = $F('WFID');
  	var formId = containerId + '_form';
    var respId = containerId + '_formResp';
    $(formId).enable();
    $(respId).hide();
  } else {
  	location.reload();
  }
}
function basicFormSubmit(containerId){
	var formId = containerId + '_form';
  var respId = containerId + '_formResp';
	if (checkMandatoryFields() == 'OK') {
  	var formValues = $(formId).serialize();
    new Ajax.Request('web/form/form_basicSubmit.asp?'+formValues, {
      onComplete: function(rt){
      	var resp = rt.responseText;
        $(respId).show();
        if(!resp == ''){
        	$(respId).innerHTML = resp;
        }
        $(formId).disable();
      }
    });
	} else {
  	$(respId).show();
		$(respId).innerHTML = '<span style="color:#660000;"><center>Ett eller fler fält markerade med * är felifyllda.<br />Var vänlig rätta till och försök igen.</center></span>';
  }
	return false;
}

// Begin Slidehow ---------
function start_slideshow() {
	var sf = Math.floor($F('ss_startFrame'));
  var ef = Math.floor($F('ss_endFrame'));
  var d  = Math.floor($F('ss_delay'));
  setTimeout(switch_slides(sf,sf,ef,d),d);
}

function switch_slides(frame, start_frame, end_frame, delay) {
    return (function() {
    	if($('ss' + frame)){
        Effect.Fade('ss' + frame,{duration: 1});
        (frame == end_frame) ? frame = start_frame : frame = frame + 1 ;
        setTimeout("Effect.Appear('ss" + frame + "', {duration: 1});", 1000);
        setTimeout(switch_slides(frame, start_frame, end_frame, delay), delay + 1000);
			}
    });
}
// End Slidehow --------- //

// Li-lists --------
function activateLists(){
  $$('li.Q').each(function(elmt) {
    hideAnswers(elmt);
    elmt.observe('click', function(ev) {
    	toggleQA(ev.target.id);
    });
  });
}
function hideAnswers(e) {
	var aId = e.id+'a'; $(aId).hide();
}
function toggleQA(qId){
	var aId = qId+'a';
  $(aId).toggle();
  ($(aId).visible()) ? $(qId).addClassName('open') : $(qId).removeClassName('open') ;
}

function validateStr(eValue,strTest){
	var testPattern;
	switch (strTest){
  	case 'phone':
    	testPattern = /^[\+0-9- ]{6,}$/;
	    break;
  	case 'cellphone':
    	testPattern = /^[\+0-9- \(\)\/]{10,}$/;
	    break;
  	case 'email':
    	testPattern = /^[a-zA-Z0-9._-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,4}$/;
	    break;
  	case 'ssnr':
    	testPattern = /^(19|20)?[0-9]{6}[- ]?[0-9]{4}$/;
	    break;
  	case 'minlength':
    	testPattern = /^.{1,}$/;
	    break;
  	case 'maxlength':
    	testPattern = /^.{0,10}$/;
	    break;
  	case 'minmaxlength':
    	testPattern = /^.{1,50}$/;
	    break;
  	case 'nr':
    	testPattern = /^[0-9]+$/;
	    break;
  	case 'regcode':
    	testPattern = /^[0-9]{6}$/;
    	testPattern = /^[1-2]{1}[0-9]{5}$/;
	    break;
  	case 'postalnr':
    	testPattern = /^[0-9]{3}[ ]?[0-9]{2}$/;
	    break;
  	case 'goodpwstrength':
    	testPattern = /^(?=.{6,})(?=.*[A-Z])(?=.*[a-z])(?=.*[0-9]).*$/;
	    break;
  	case 'bestpwstrength':
    	testPattern = /^(?=.{7,})(?=.*[A-Z])(?=.*[a-z])(?=.*[0-9])(?=.*\W).*$/;
	    break;
  }
	return testPattern.test(eValue);
}