var Prototype={
Version: '1.4.0',
ScriptFragment: '(?:<script.*?>)((\n|\r|.)*?)(?:<\/script>)',
emptyFunction: function() {},
K: function(x) {return x}}
var Class={
create: function() {
return function() {
this.initialize.apply(this, arguments);
}}}
var Abstract=new Object();
Object.extend=function(destination, source) {
for (property in source) {
destination[property]=source[property];
}
return destination;
}
Object.inspect=function(object) {
try {
if (object==undefined) return 'undefined';
if (object==null) return 'null';
return object.inspect ? object.inspect() : object.toString();
} catch (e) {
if (e instanceof RangeError) return '...';
throw e;
}}
Function.prototype.bind=function() {
var __method=this, args=$A(arguments), object=args.shift();
return function() {
return __method.apply(object, args.concat($A(arguments)));
}}
Function.prototype.bindAsEventListener=function(object) {
var __method=this;
return function(event) {
return __method.call(object, event || window.event);
}}
Object.extend(Number.prototype, {
toColorPart: function() {
var digits=this.toString(16);
if (this <16) return '0'+digits;
return digits;
},
succ: function() {
return this+1;
},
times: function(iterator) {
$R(0, this, true).each(iterator);
return this;
}});
var Try={
these: function() {
var returnValue;
for (var i=0; i <arguments.length; i++) {
var lambda=arguments[i];
try {
returnValue=lambda();
break;
} catch (e) {}}
return returnValue;
}}
/*--------------------------------------------------------------------------*/
var PeriodicalExecuter=Class.create();
PeriodicalExecuter.prototype={
initialize: function(callback, frequency) {
this.callback=callback;
this.frequency=frequency;
this.currentlyExecuting=false;
this.registerCallback();
},
registerCallback: function() {
setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
},
onTimerEvent: function() {
if (!this.currentlyExecuting) {
try {
this.currentlyExecuting=true;
this.callback();
} finally {
this.currentlyExecuting=false;
}}}}
/*--------------------------------------------------------------------------*/
function $() {
var elements=new Array();
for (var i=0; i <arguments.length; i++) {
var element=arguments[i];
if (typeof element=='string')
element=document.getElementById(element);
if (arguments.length==1)
return element;
elements.push(element);
}
return elements;
}
Object.extend(String.prototype, {
stripTags: function() {
return this.replace(/<\/?[^>]+>/gi, '');
},
stripScripts: function() {
return this.replace(new RegExp(Prototype.ScriptFragment, 'img'), '');
},
extractScripts: function() {
var matchAll=new RegExp(Prototype.ScriptFragment, 'img');
var matchOne=new RegExp(Prototype.ScriptFragment, 'im');
return (this.match(matchAll) || []).map(function(scriptTag) {
return (scriptTag.match(matchOne) || ['', ''])[1];
});
},
evalScripts: function() {
return this.extractScripts().map(eval);
},
escapeHTML: function() {
var div=document.createElement('div');
var text=document.createTextNode(this);
div.appendChild(text);
return div.innerHTML;
},
unescapeHTML: function() {
var div=document.createElement('div');
div.innerHTML=this.stripTags();
return div.childNodes[0] ? div.childNodes[0].nodeValue : '';
},
toQueryParams: function() {
var pairs=this.match(/^\??(.*)$/)[1].split('&');
return pairs.inject({}, function(params, pairString) {
var pair=pairString.split('=');
params[pair[0]]=pair[1];
return params;
});
},
toArray: function() {
return this.split('');
},
camelize: function() {
var oStringList=this.split('-');
if (oStringList.length==1) return oStringList[0];
var camelizedString=this.indexOf('-')==0
? oStringList[0].charAt(0).toUpperCase()+oStringList[0].substring(1)
: oStringList[0];
for (var i=1, len=oStringList.length; i <len; i++) {
var s=oStringList[i];
camelizedString+=s.charAt(0).toUpperCase()+s.substring(1);
}
return camelizedString;
},
inspect: function() {
return "'"+this.replace('\\', '\\\\').replace("'", '\\\'')+"'";
}});
String.prototype.parseQuery=String.prototype.toQueryParams;
var $break=new Object();
var $continue=new Object();
var Enumerable={
each: function(iterator) {
var index=0;
try {
this._each(function(value) {
try {
iterator(value, index++);
} catch (e) {
if (e !=$continue) throw e;
}});
} catch (e) {
if (e !=$break) throw e;
}},
all: function(iterator) {
var result=true;
this.each(function(value, index) {
result=result && !!(iterator || Prototype.K)(value, index);
if (!result) throw $break;
});
return result;
},
any: function(iterator) {
var result=true;
this.each(function(value, index) {
if (result=!!(iterator || Prototype.K)(value, index))
throw $break;
});
return result;
},
collect: function(iterator) {
var results=[];
this.each(function(value, index) {
results.push(iterator(value, index));
});
return results;
},
detect: function (iterator) {
var result;
this.each(function(value, index) {
if (iterator(value, index)) {
result=value;
throw $break;
}});
return result;
},
findAll: function(iterator) {
var results=[];
this.each(function(value, index) {
if (iterator(value, index))
results.push(value);
});
return results;
},
grep: function(pattern, iterator) {
var results=[];
this.each(function(value, index) {
var stringValue=value.toString();
if (stringValue.match(pattern))
results.push((iterator || Prototype.K)(value, index));
})
return results;
},
include: function(object) {
var found=false;
this.each(function(value) {
if (value==object) {
found=true;
throw $break;
}});
return found;
},
inject: function(memo, iterator) {
this.each(function(value, index) {
memo=iterator(memo, value, index);
});
return memo;
},
invoke: function(method) {
var args=$A(arguments).slice(1);
return this.collect(function(value) {
return value[method].apply(value, args);
});
},
max: function(iterator) {
var result;
this.each(function(value, index) {
value=(iterator || Prototype.K)(value, index);
if (value>=(result || value))
result=value;
});
return result;
},
min: function(iterator) {
var result;
this.each(function(value, index) {
value=(iterator || Prototype.K)(value, index);
if (value <=(result || value))
result=value;
});
return result;
},
partition: function(iterator) {
var trues=[], falses=[];
this.each(function(value, index) {
((iterator || Prototype.K)(value, index) ?
trues : falses).push(value);
});
return [trues, falses];
},
pluck: function(property) {
var results=[];
this.each(function(value, index) {
results.push(value[property]);
});
return results;
},
reject: function(iterator) {
var results=[];
this.each(function(value, index) {
if (!iterator(value, index))
results.push(value);
});
return results;
},
sortBy: function(iterator) {
return this.collect(function(value, index) {
return {value: value, criteria: iterator(value, index)};
}).sort(function(left, right) {
var a=left.criteria, b=right.criteria;
return a <b ? -1 : a> b ? 1 : 0;
}).pluck('value');
},
toArray: function() {
return this.collect(Prototype.K);
},
zip: function() {
var iterator=Prototype.K, args=$A(arguments);
if (typeof args.last()=='function')
iterator=args.pop();
var collections=[this].concat(args).map($A);
return this.map(function(value, index) {
iterator(value=collections.pluck(index));
return value;
});
},
inspect: function() {
return '#<Enumerable:'+this.toArray().inspect()+'>';
}}
Object.extend(Enumerable, {
map:     Enumerable.collect,
find:    Enumerable.detect,
select:  Enumerable.findAll,
member:  Enumerable.include,
entries: Enumerable.toArray
});
var $A=Array.from=function(iterable) {
if (!iterable) return [];
if (iterable.toArray) {
return iterable.toArray();
} else {
var results=[];
for (var i=0; i <iterable.length; i++)
results.push(iterable[i]);
return results;
}}
Object.extend(Array.prototype, Enumerable);
Array.prototype._reverse=Array.prototype.reverse;
Object.extend(Array.prototype, {
_each: function(iterator) {
for (var i=0; i <this.length; i++)
iterator(this[i]);
},
clear: function() {
this.length=0;
return this;
},
first: function() {
return this[0];
},
last: function() {
return this[this.length - 1];
},
compact: function() {
return this.select(function(value) {
return value !=undefined || value !=null;
});
},
flatten: function() {
return this.inject([], function(array, value) {
return array.concat(value.constructor==Array ?
value.flatten() : [value]);
});
},
without: function() {
var values=$A(arguments);
return this.select(function(value) {
return !values.include(value);
});
},
indexOf: function(object) {
for (var i=0; i <this.length; i++)
if (this[i]==object) return i;
return -1;
},
reverse: function(inline) {
return (inline !==false ? this : this.toArray())._reverse();
},
shift: function() {
var result=this[0];
for (var i=0; i <this.length - 1; i++)
this[i]=this[i+1];
this.length--;
return result;
},
inspect: function() {
return '['+this.map(Object.inspect).join(', ')+']';
}});
var Hash={
_each: function(iterator) {
for (key in this) {
var value=this[key];
if (typeof value=='function') continue;
var pair=[key, value];
pair.key=key;
pair.value=value;
iterator(pair);
}},
keys: function() {
return this.pluck('key');
},
values: function() {
return this.pluck('value');
},
merge: function(hash) {
return $H(hash).inject($H(this), function(mergedHash, pair) {
mergedHash[pair.key]=pair.value;
return mergedHash;
});
},
toQueryString: function() {
return this.map(function(pair) {
return pair.map(encodeURIComponent).join('=');
}).join('&');
},
inspect: function() {
return '#<Hash:{'+this.map(function(pair) {
return pair.map(Object.inspect).join(': ');
}).join(', ')+'}>';
}}
function $H(object) {
var hash=Object.extend({}, object || {});
Object.extend(hash, Enumerable);
Object.extend(hash, Hash);
return hash;
}
ObjectRange=Class.create();
Object.extend(ObjectRange.prototype, Enumerable);
Object.extend(ObjectRange.prototype, {
initialize: function(start, end, exclusive) {
this.start=start;
this.end=end;
this.exclusive=exclusive;
},
_each: function(iterator) {
var value=this.start;
do {
iterator(value);
value=value.succ();
} while (this.include(value));
},
include: function(value) {
if (value <this.start)
return false;
if (this.exclusive)
return value <this.end;
return value <=this.end;
}});
var $R=function(start, end, exclusive) {
return new ObjectRange(start, end, exclusive);
}
var Ajax={
getTransport: function() {
return Try.these(
function() {return new ActiveXObject('Msxml2.XMLHTTP')},
function() {return new ActiveXObject('Microsoft.XMLHTTP')},
function() {return new XMLHttpRequest()}
) || false;
},
activeRequestCount: 0
}
Ajax.Responders={
responders: [],
_each: function(iterator) {
this.responders._each(iterator);
},
register: function(responderToAdd) {
if (!this.include(responderToAdd))
this.responders.push(responderToAdd);
},
unregister: function(responderToRemove) {
this.responders=this.responders.without(responderToRemove);
},
dispatch: function(callback, request, transport, json) {
this.each(function(responder) {
if (responder[callback] && typeof responder[callback]=='function') {
try {
responder[callback].apply(responder, [request, transport, json]);
} catch (e) {}}});
}};
Object.extend(Ajax.Responders, Enumerable);
Ajax.Responders.register({
onCreate: function() {
Ajax.activeRequestCount++;
},
onComplete: function() {
Ajax.activeRequestCount--;
}});
Ajax.Base=function() {};
Ajax.Base.prototype={
setOptions: function(options) {
this.options={
method:       'post',
asynchronous: true,
parameters:   ''
}
Object.extend(this.options, options || {});
},
responseIsSuccess: function() {
return this.transport.status==undefined
|| this.transport.status==0
|| (this.transport.status>=200 && this.transport.status <300);
},
responseIsFailure: function() {
return !this.responseIsSuccess();
}}
Ajax.Request=Class.create();
Ajax.Request.Events=
['Uninitialized', 'Loading', 'Loaded', 'Interactive', 'Complete'];
Ajax.Request.prototype=Object.extend(new Ajax.Base(), {
initialize: function(url, options) {
this.transport=Ajax.getTransport();
this.setOptions(options);
this.request(url);
},
request: function(url) {
var parameters=this.options.parameters || '';
if (parameters.length> 0) parameters+='&_=';
try {
this.url=url;
if (this.options.method=='get' && parameters.length> 0)
this.url+=(this.url.match(/\?/) ? '&' : '?')+parameters;
Ajax.Responders.dispatch('onCreate', this, this.transport);
this.transport.open(this.options.method, this.url,
this.options.asynchronous);
if (this.options.asynchronous) {
this.transport.onreadystatechange=this.onStateChange.bind(this);
setTimeout((function() {this.respondToReadyState(1)}).bind(this), 10);
}
this.setRequestHeaders();
var body=this.options.postBody ? this.options.postBody : parameters;
this.transport.send(this.options.method=='post' ? body : null);
} catch (e) {
this.dispatchException(e);
}},
setRequestHeaders: function() {
var requestHeaders=
['X-Requested-With', 'XMLHttpRequest',
'X-Prototype-Version', Prototype.Version];
if (this.options.method=='post') {
requestHeaders.push('Content-type',
'application/x-www-form-urlencoded');
if (this.transport.overrideMimeType)
requestHeaders.push('Connection', 'close');
}
if (this.options.requestHeaders)
requestHeaders.push.apply(requestHeaders, this.options.requestHeaders);
for (var i=0; i <requestHeaders.length; i+=2)
this.transport.setRequestHeader(requestHeaders[i], requestHeaders[i+1]);
},
onStateChange: function() {
var readyState=this.transport.readyState;
if (readyState !=1)
this.respondToReadyState(this.transport.readyState);
},
header: function(name) {
try {
return this.transport.getResponseHeader(name);
} catch (e) {}},
evalJSON: function() {
try {
return eval(this.header('X-JSON'));
} catch (e) {}},
evalResponse: function() {
try {
return eval(this.transport.responseText);
} catch (e) {
this.dispatchException(e);
}},
respondToReadyState: function(readyState) {
var event=Ajax.Request.Events[readyState];
var transport=this.transport, json=this.evalJSON();
if (event=='Complete') {
try {
(this.options['on'+this.transport.status]
|| this.options['on'+(this.responseIsSuccess() ? 'Success' : 'Failure')]
|| Prototype.emptyFunction)(transport, json);
} catch (e) {
this.dispatchException(e);
}
if ((this.header('Content-type') || '').match(/^text\/javascript/i))
this.evalResponse();
}
try {
(this.options['on'+event] || Prototype.emptyFunction)(transport, json);
Ajax.Responders.dispatch('on'+event, this, transport, json);
} catch (e) {
this.dispatchException(e);
}
if (event=='Complete')
this.transport.onreadystatechange=Prototype.emptyFunction;
},
dispatchException: function(exception) {
(this.options.onException || Prototype.emptyFunction)(this, exception);
Ajax.Responders.dispatch('onException', this, exception);
}});
Ajax.Updater=Class.create();
Object.extend(Object.extend(Ajax.Updater.prototype, Ajax.Request.prototype), {
initialize: function(container, url, options) {
this.containers={
success: container.success ? $(container.success) : $(container),
failure: container.failure ? $(container.failure) :
(container.success ? null : $(container))
}
this.transport=Ajax.getTransport();
this.setOptions(options);
var onComplete=this.options.onComplete || Prototype.emptyFunction;
this.options.onComplete=(function(transport, object) {
this.updateContent();
onComplete(transport, object);
}).bind(this);
this.request(url);
},
updateContent: function() {
var receiver=this.responseIsSuccess() ?
this.containers.success : this.containers.failure;
var response=this.transport.responseText;
if (!this.options.evalScripts)
response=response.stripScripts();
if (receiver) {
if (this.options.insertion) {
new this.options.insertion(receiver, response);
} else {
Element.update(receiver, response);
}}
if (this.responseIsSuccess()) {
if (this.onComplete)
setTimeout(this.onComplete.bind(this), 10);
}}});
Ajax.PeriodicalUpdater=Class.create();
Ajax.PeriodicalUpdater.prototype=Object.extend(new Ajax.Base(), {
initialize: function(container, url, options) {
this.setOptions(options);
this.onComplete=this.options.onComplete;
this.frequency=(this.options.frequency || 2);
this.decay=(this.options.decay || 1);
this.updater={};
this.container=container;
this.url=url;
this.start();
},
start: function() {
this.options.onComplete=this.updateComplete.bind(this);
this.onTimerEvent();
},
stop: function() {
this.updater.onComplete=undefined;
clearTimeout(this.timer);
(this.onComplete || Prototype.emptyFunction).apply(this, arguments);
},
updateComplete: function(request) {
if (this.options.decay) {
this.decay=(request.responseText==this.lastText ?
this.decay * this.options.decay : 1);
this.lastText=request.responseText;
}
this.timer=setTimeout(this.onTimerEvent.bind(this),
this.decay * this.frequency * 1000);
},
onTimerEvent: function() {
this.updater=new Ajax.Updater(this.container, this.url, this.options);
}});
document.getElementsByClassName=function(className, parentElement) {
var children=($(parentElement) || document.body).getElementsByTagName('*');
return $A(children).inject([], function(elements, child) {
if (child.className.match(new RegExp("(^|\\s)"+className+"(\\s|$)")))
elements.push(child);
return elements;
});
}
/*--------------------------------------------------------------------------*/
if (!window.Element) {
var Element=new Object();
}
Object.extend(Element, {
visible: function(element) {
return $(element).style.display !='none';
},
toggle: function() {
for (var i=0; i <arguments.length; i++) {
var element=$(arguments[i]);
Element[Element.visible(element) ? 'hide' : 'show'](element);
}},
hide: function() {
for (var i=0; i <arguments.length; i++) {
var element=$(arguments[i]);
element.style.display='none';
}},
show: function() {
for (var i=0; i <arguments.length; i++) {
var element=$(arguments[i]);
element.style.display='';
}},
remove: function(element) {
element=$(element);
element.parentNode.removeChild(element);
},
update: function(element, html) {
$(element).innerHTML=html.stripScripts();
setTimeout(function() {html.evalScripts()}, 10);
},
getHeight: function(element) {
element=$(element);
return element.offsetHeight;
},
classNames: function(element) {
return new Element.ClassNames(element);
},
hasClassName: function(element, className) {
if (!(element=$(element))) return;
return Element.classNames(element).include(className);
},
addClassName: function(element, className) {
if (!(element=$(element))) return;
return Element.classNames(element).add(className);
},
removeClassName: function(element, className) {
if (!(element=$(element))) return;
return Element.classNames(element).remove(className);
},
cleanWhitespace: function(element) {
element=$(element);
for (var i=0; i <element.childNodes.length; i++) {
var node=element.childNodes[i];
if (node.nodeType==3 && !/\S/.test(node.nodeValue))
Element.remove(node);
}},
empty: function(element) {
return $(element).innerHTML.match(/^\s*$/);
},
scrollTo: function(element) {
element=$(element);
var x=element.x ? element.x : element.offsetLeft,
y=element.y ? element.y : element.offsetTop;
window.scrollTo(x, y);
},
getStyle: function(element, style) {
element=$(element);
var value=element.style[style.camelize()];
if (!value) {
if (document.defaultView && document.defaultView.getComputedStyle) {
var css=document.defaultView.getComputedStyle(element, null);
value=css ? css.getPropertyValue(style) : null;
} else if (element.currentStyle) {
value=element.currentStyle[style.camelize()];
}}
if (window.opera && ['left', 'top', 'right', 'bottom'].include(style))
if (Element.getStyle(element, 'position')=='static') value='auto';
return value=='auto' ? null : value;
},
setStyle: function(element, style) {
element=$(element);
for (name in style)
element.style[name.camelize()]=style[name];
},
getDimensions: function(element) {
element=$(element);
if (Element.getStyle(element, 'display') !='none')
return {width: element.offsetWidth, height: element.offsetHeight};
var els=element.style;
var originalVisibility=els.visibility;
var originalPosition=els.position;
els.visibility='hidden';
els.position='absolute';
els.display='';
var originalWidth=element.clientWidth;
var originalHeight=element.clientHeight;
els.display='none';
els.position=originalPosition;
els.visibility=originalVisibility;
return {width: originalWidth, height: originalHeight};
},
makePositioned: function(element) {
element=$(element);
var pos=Element.getStyle(element, 'position');
if (pos=='static' || !pos) {
element._madePositioned=true;
element.style.position='relative';
if (window.opera) {
element.style.top=0;
element.style.left=0;
}}},
undoPositioned: function(element) {
element=$(element);
if (element._madePositioned) {
element._madePositioned=undefined;
element.style.position=
element.style.top=
element.style.left=
element.style.bottom=
element.style.right='';
}},
makeClipping: function(element) {
element=$(element);
if (element._overflow) return;
element._overflow=element.style.overflow;
if ((Element.getStyle(element, 'overflow') || 'visible') !='hidden')
element.style.overflow='hidden';
},
undoClipping: function(element) {
element=$(element);
if (element._overflow) return;
element.style.overflow=element._overflow;
element._overflow=undefined;
}});
var Toggle=new Object();
Toggle.display=Element.toggle;
/*--------------------------------------------------------------------------*/
Abstract.Insertion=function(adjacency) {
this.adjacency=adjacency;
}
Abstract.Insertion.prototype={
initialize: function(element, content) {
this.element=$(element);
this.content=content.stripScripts();
if (this.adjacency && this.element.insertAdjacentHTML) {
try {
this.element.insertAdjacentHTML(this.adjacency, this.content);
} catch (e) {
if (this.element.tagName.toLowerCase()=='tbody') {
this.insertContent(this.contentFromAnonymousTable());
} else {
throw e;
}}} else {
this.range=this.element.ownerDocument.createRange();
if (this.initializeRange) this.initializeRange();
this.insertContent([this.range.createContextualFragment(this.content)]);
}
setTimeout(function() {content.evalScripts()}, 10);
},
contentFromAnonymousTable: function() {
var div=document.createElement('div');
div.innerHTML='<table><tbody>'+this.content+'</tbody></table>';
return $A(div.childNodes[0].childNodes[0].childNodes);
}}
var Insertion=new Object();
Insertion.Before=Class.create();
Insertion.Before.prototype=Object.extend(new Abstract.Insertion('beforeBegin'), {
initializeRange: function() {
this.range.setStartBefore(this.element);
},
insertContent: function(fragments) {
fragments.each((function(fragment) {
this.element.parentNode.insertBefore(fragment, this.element);
}).bind(this));
}});
Insertion.Top=Class.create();
Insertion.Top.prototype=Object.extend(new Abstract.Insertion('afterBegin'), {
initializeRange: function() {
this.range.selectNodeContents(this.element);
this.range.collapse(true);
},
insertContent: function(fragments) {
fragments.reverse(false).each((function(fragment) {
this.element.insertBefore(fragment, this.element.firstChild);
}).bind(this));
}});
Insertion.Bottom=Class.create();
Insertion.Bottom.prototype=Object.extend(new Abstract.Insertion('beforeEnd'), {
initializeRange: function() {
this.range.selectNodeContents(this.element);
this.range.collapse(this.element);
},
insertContent: function(fragments) {
fragments.each((function(fragment) {
this.element.appendChild(fragment);
}).bind(this));
}});
Insertion.After=Class.create();
Insertion.After.prototype=Object.extend(new Abstract.Insertion('afterEnd'), {
initializeRange: function() {
this.range.setStartAfter(this.element);
},
insertContent: function(fragments) {
fragments.each((function(fragment) {
this.element.parentNode.insertBefore(fragment,
this.element.nextSibling);
}).bind(this));
}});
/*--------------------------------------------------------------------------*/
Element.ClassNames=Class.create();
Element.ClassNames.prototype={
initialize: function(element) {
this.element=$(element);
},
_each: function(iterator) {
this.element.className.split(/\s+/).select(function(name) {
return name.length> 0;
})._each(iterator);
},
set: function(className) {
this.element.className=className;
},
add: function(classNameToAdd) {
if (this.include(classNameToAdd)) return;
this.set(this.toArray().concat(classNameToAdd).join(' '));
},
remove: function(classNameToRemove) {
if (!this.include(classNameToRemove)) return;
this.set(this.select(function(className) {
return className !=classNameToRemove;
}).join(' '));
},
toString: function() {
return this.toArray().join(' ');
}}
Object.extend(Element.ClassNames.prototype, Enumerable);
var Field={
clear: function() {
for (var i=0; i <arguments.length; i++)
$(arguments[i]).value='';
},
focus: function(element) {
$(element).focus();
},
present: function() {
for (var i=0; i <arguments.length; i++)
if ($(arguments[i]).value=='') return false;
return true;
},
select: function(element) {
$(element).select();
},
activate: function(element) {
element=$(element);
element.focus();
if (element.select)
element.select();
}}
/*--------------------------------------------------------------------------*/
var Form={
serialize: function(form) {
var elements=Form.getElements($(form));
var queryComponents=new Array();
for (var i=0; i <elements.length; i++) {
var queryComponent=Form.Element.serialize(elements[i]);
if (queryComponent)
queryComponents.push(queryComponent);
}
return queryComponents.join('&');
},
getElements: function(form) {
form=$(form);
var elements=new Array();
for (tagName in Form.Element.Serializers) {
var tagElements=form.getElementsByTagName(tagName);
for (var j=0; j <tagElements.length; j++)
elements.push(tagElements[j]);
}
return elements;
},
getInputs: function(form, typeName, name) {
form=$(form);
var inputs=form.getElementsByTagName('input');
if (!typeName && !name)
return inputs;
var matchingInputs=new Array();
for (var i=0; i <inputs.length; i++) {
var input=inputs[i];
if ((typeName && input.type !=typeName) ||
(name && input.name !=name))
continue;
matchingInputs.push(input);
}
return matchingInputs;
},
disable: function(form) {
var elements=Form.getElements(form);
for (var i=0; i <elements.length; i++) {
var element=elements[i];
element.blur();
element.disabled='true';
}},
enable: function(form) {
var elements=Form.getElements(form);
for (var i=0; i <elements.length; i++) {
var element=elements[i];
element.disabled='';
}},
findFirstElement: function(form) {
return Form.getElements(form).find(function(element) {
return element.type !='hidden' && !element.disabled &&
['input', 'select', 'textarea'].include(element.tagName.toLowerCase());
});
},
focusFirstElement: function(form) {
Field.activate(Form.findFirstElement(form));
},
reset: function(form) {
$(form).reset();
}}
Form.Element={
serialize: function(element) {
element=$(element);
var method=element.tagName.toLowerCase();
var parameter=Form.Element.Serializers[method](element);
if (parameter) {
var key=encodeURIComponent(parameter[0]);
if (key.length==0) return;
if (parameter[1].constructor !=Array)
parameter[1]=[parameter[1]];
return parameter[1].map(function(value) {
return key+'='+encodeURIComponent(value);
}).join('&');
}},
getValue: function(element) {
element=$(element);
var method=element.tagName.toLowerCase();
var parameter=Form.Element.Serializers[method](element);
if (parameter)
return parameter[1];
}}
Form.Element.Serializers={
input: function(element) {
switch (element.type.toLowerCase()) {
case 'submit':
case 'hidden':
case 'password':
case 'text':
return Form.Element.Serializers.textarea(element);
case 'checkbox':
case 'radio':
return Form.Element.Serializers.inputSelector(element);
}
return false;
},
inputSelector: function(element) {
if (element.checked)
return [element.name, element.value];
},
textarea: function(element) {
return [element.name, element.value];
},
select: function(element) {
return Form.Element.Serializers[element.type=='select-one' ?
'selectOne' : 'selectMany'](element);
},
selectOne: function(element) {
var value='', opt, index=element.selectedIndex;
if (index>=0) {
opt=element.options[index];
value=opt.value;
if (!value && !('value' in opt))
value=opt.text;
}
return [element.name, value];
},
selectMany: function(element) {
var value=new Array();
for (var i=0; i <element.length; i++) {
var opt=element.options[i];
if (opt.selected) {
var optValue=opt.value;
if (!optValue && !('value' in opt))
optValue=opt.text;
value.push(optValue);
}}
return [element.name, value];
}}
/*--------------------------------------------------------------------------*/
var $F=Form.Element.getValue;
/*--------------------------------------------------------------------------*/
Abstract.TimedObserver=function() {}
Abstract.TimedObserver.prototype={
initialize: function(element, frequency, callback) {
this.frequency=frequency;
this.element=$(element);
this.callback=callback;
this.lastValue=this.getValue();
this.registerCallback();
},
registerCallback: function() {
setInterval(this.onTimerEvent.bind(this), this.frequency * 1000);
},
onTimerEvent: function() {
var value=this.getValue();
if (this.lastValue !=value) {
this.callback(this.element, value);
this.lastValue=value;
}}}
Form.Element.Observer=Class.create();
Form.Element.Observer.prototype=Object.extend(new Abstract.TimedObserver(), {
getValue: function() {
return Form.Element.getValue(this.element);
}});
Form.Observer=Class.create();
Form.Observer.prototype=Object.extend(new Abstract.TimedObserver(), {
getValue: function() {
return Form.serialize(this.element);
}});
/*--------------------------------------------------------------------------*/
Abstract.EventObserver=function() {}
Abstract.EventObserver.prototype={
initialize: function(element, callback) {
this.element=$(element);
this.callback=callback;
this.lastValue=this.getValue();
if (this.element.tagName.toLowerCase()=='form')
this.registerFormCallbacks();
else
this.registerCallback(this.element);
},
onElementEvent: function() {
var value=this.getValue();
if (this.lastValue !=value) {
this.callback(this.element, value);
this.lastValue=value;
}},
registerFormCallbacks: function() {
var elements=Form.getElements(this.element);
for (var i=0; i <elements.length; i++)
this.registerCallback(elements[i]);
},
registerCallback: function(element) {
if (element.type) {
switch (element.type.toLowerCase()) {
case 'checkbox':
case 'radio':
Event.observe(element, 'click', this.onElementEvent.bind(this));
break;
case 'password':
case 'text':
case 'textarea':
case 'select-one':
case 'select-multiple':
Event.observe(element, 'change', this.onElementEvent.bind(this));
break;
}}}}
Form.Element.EventObserver=Class.create();
Form.Element.EventObserver.prototype=Object.extend(new Abstract.EventObserver(), {
getValue: function() {
return Form.Element.getValue(this.element);
}});
Form.EventObserver=Class.create();
Form.EventObserver.prototype=Object.extend(new Abstract.EventObserver(), {
getValue: function() {
return Form.serialize(this.element);
}});
if (!window.Event) {
var Event=new Object();
}
Object.extend(Event, {
KEY_BACKSPACE: 8,
KEY_TAB:       9,
KEY_RETURN:   13,
KEY_ESC:      27,
KEY_LEFT:     37,
KEY_UP:       38,
KEY_RIGHT:    39,
KEY_DOWN:     40,
KEY_DELETE:   46,
element: function(event) {
return event.target || event.srcElement;
},
isLeftClick: function(event) {
return (((event.which) && (event.which==1)) ||
((event.button) && (event.button==1)));
},
pointerX: function(event) {
return event.pageX || (event.clientX+
(document.documentElement.scrollLeft || document.body.scrollLeft));
},
pointerY: function(event) {
return event.pageY || (event.clientY+
(document.documentElement.scrollTop || document.body.scrollTop));
},
stop: function(event) {
if (event.preventDefault) {
event.preventDefault();
event.stopPropagation();
} else {
event.returnValue=false;
event.cancelBubble=true;
}},
findElement: function(event, tagName) {
var element=Event.element(event);
while (element.parentNode && (!element.tagName ||
(element.tagName.toUpperCase() !=tagName.toUpperCase())))
element=element.parentNode;
return element;
},
observers: false,
_observeAndCache: function(element, name, observer, useCapture) {
if (!this.observers) this.observers=[];
if (element.addEventListener) {
this.observers.push([element, name, observer, useCapture]);
element.addEventListener(name, observer, useCapture);
} else if (element.attachEvent) {
this.observers.push([element, name, observer, useCapture]);
element.attachEvent('on'+name, observer);
}},
unloadCache: function() {
if (!Event.observers) return;
for (var i=0; i <Event.observers.length; i++) {
Event.stopObserving.apply(this, Event.observers[i]);
Event.observers[i][0]=null;
}
Event.observers=false;
},
observe: function(element, name, observer, useCapture) {
var element=$(element);
useCapture=useCapture || false;
if (name=='keypress' &&
(navigator.appVersion.match(/Konqueror|Safari|KHTML/)
|| element.attachEvent))
name='keydown';
this._observeAndCache(element, name, observer, useCapture);
},
stopObserving: function(element, name, observer, useCapture) {
var element=$(element);
useCapture=useCapture || false;
if (name=='keypress' &&
(navigator.appVersion.match(/Konqueror|Safari|KHTML/)
|| element.detachEvent))
name='keydown';
if (element.removeEventListener) {
element.removeEventListener(name, observer, useCapture);
} else if (element.detachEvent) {
element.detachEvent('on'+name, observer);
}}});
Event.observe(window, 'unload', Event.unloadCache, false);
var Position={
includeScrollOffsets: false,
prepare: function() {
this.deltaX=window.pageXOffset
|| document.documentElement.scrollLeft
|| document.body.scrollLeft
|| 0;
this.deltaY=window.pageYOffset
|| document.documentElement.scrollTop
|| document.body.scrollTop
|| 0;
},
realOffset: function(element) {
var valueT=0, valueL=0;
do {
valueT+=element.scrollTop  || 0;
valueL+=element.scrollLeft || 0;
element=element.parentNode;
} while (element);
return [valueL, valueT];
},
cumulativeOffset: function(element) {
var valueT=0, valueL=0;
do {
valueT+=element.offsetTop  || 0;
valueL+=element.offsetLeft || 0;
element=element.offsetParent;
} while (element);
return [valueL, valueT];
},
positionedOffset: function(element) {
var valueT=0, valueL=0;
do {
valueT+=element.offsetTop  || 0;
valueL+=element.offsetLeft || 0;
element=element.offsetParent;
if (element) {
p=Element.getStyle(element, 'position');
if (p=='relative' || p=='absolute') break;
}} while (element);
return [valueL, valueT];
},
offsetParent: function(element) {
if (element.offsetParent) return element.offsetParent;
if (element==document.body) return element;
while ((element=element.parentNode) && element !=document.body)
if (Element.getStyle(element, 'position') !='static')
return element;
return document.body;
},
within: function(element, x, y) {
if (this.includeScrollOffsets)
return this.withinIncludingScrolloffsets(element, x, y);
this.xcomp=x;
this.ycomp=y;
this.offset=this.cumulativeOffset(element);
return (y>=this.offset[1] &&
y <this.offset[1]+element.offsetHeight &&
x>=this.offset[0] &&
x <this.offset[0]+element.offsetWidth);
},
withinIncludingScrolloffsets: function(element, x, y) {
var offsetcache=this.realOffset(element);
this.xcomp=x+offsetcache[0] - this.deltaX;
this.ycomp=y+offsetcache[1] - this.deltaY;
this.offset=this.cumulativeOffset(element);
return (this.ycomp>=this.offset[1] &&
this.ycomp <this.offset[1]+element.offsetHeight &&
this.xcomp>=this.offset[0] &&
this.xcomp <this.offset[0]+element.offsetWidth);
},
overlap: function(mode, element) {
if (!mode) return 0;
if (mode=='vertical')
return ((this.offset[1]+element.offsetHeight) - this.ycomp) /
element.offsetHeight;
if (mode=='horizontal')
return ((this.offset[0]+element.offsetWidth) - this.xcomp) /
element.offsetWidth;
},
clone: function(source, target) {
source=$(source);
target=$(target);
target.style.position='absolute';
var offsets=this.cumulativeOffset(source);
target.style.top=offsets[1]+'px';
target.style.left=offsets[0]+'px';
target.style.width=source.offsetWidth+'px';
target.style.height=source.offsetHeight+'px';
},
page: function(forElement) {
var valueT=0, valueL=0;
var element=forElement;
do {
valueT+=element.offsetTop  || 0;
valueL+=element.offsetLeft || 0;
if (element.offsetParent==document.body)
if (Element.getStyle(element,'position')=='absolute') break;
} while (element=element.offsetParent);
element=forElement;
do {
valueT -=element.scrollTop  || 0;
valueL -=element.scrollLeft || 0;
} while (element=element.parentNode);
return [valueL, valueT];
},
clone: function(source, target) {
var options=Object.extend({
setLeft:    true,
setTop:     true,
setWidth:   true,
setHeight:  true,
offsetTop:  0,
offsetLeft: 0
}, arguments[2] || {})
source=$(source);
var p=Position.page(source);
target=$(target);
var delta=[0, 0];
var parent=null;
if (Element.getStyle(target,'position')=='absolute') {
parent=Position.offsetParent(target);
delta=Position.page(parent);
}
if (parent==document.body) {
delta[0] -=document.body.offsetLeft;
delta[1] -=document.body.offsetTop;
}
if(options.setLeft)   target.style.left=(p[0] - delta[0]+options.offsetLeft)+'px';
if(options.setTop)    target.style.top=(p[1] - delta[1]+options.offsetTop)+'px';
if(options.setWidth)  target.style.width=source.offsetWidth+'px';
if(options.setHeight) target.style.height=source.offsetHeight+'px';
},
absolutize: function(element) {
element=$(element);
if (element.style.position=='absolute') return;
Position.prepare();
var offsets=Position.positionedOffset(element);
var top=offsets[1];
var left=offsets[0];
var width=element.clientWidth;
var height=element.clientHeight;
element._originalLeft=left - parseFloat(element.style.left  || 0);
element._originalTop=top  - parseFloat(element.style.top || 0);
element._originalWidth=element.style.width;
element._originalHeight=element.style.height;
element.style.position='absolute';
element.style.top=top+'px';;
element.style.left=left+'px';;
element.style.width=width+'px';;
element.style.height=height+'px';;
},
relativize: function(element) {
element=$(element);
if (element.style.position=='relative') return;
Position.prepare();
element.style.position='relative';
var top=parseFloat(element.style.top  || 0) - (element._originalTop || 0);
var left=parseFloat(element.style.left || 0) - (element._originalLeft || 0);
element.style.top=top+'px';
element.style.left=left+'px';
element.style.height=element._originalHeight;
element.style.width=element._originalWidth;
}}
if (/Konqueror|Safari|KHTML/.test(navigator.userAgent)) {
Position.cumulativeOffset=function(element) {
var valueT=0, valueL=0;
do {
valueT+=element.offsetTop  || 0;
valueL+=element.offsetLeft || 0;
if (element.offsetParent==document.body)
if (Element.getStyle(element, 'position')=='absolute') break;
element=element.offsetParent;
} while (element);
return [valueL, valueT];
}}