Document.implement({newElement:function(tag,props){if(Browser.Engine.trident&&props){['name','type','checked'].each(function(attribute){if(!props[attribute])return;tag+=' '+attribute+'="'+props[attribute]+'"';if(attribute!='checked')delete props[attribute];});tag='<'+tag+'>';}
return $.element(this.createElement(tag)).set(props);},newTextNode:function(text){return this.createTextNode(text);},getDocument:function(){return this;},getWindow:function(){return this.defaultView||this.parentWindow;},purge:function(){var elements=this.getElementsByTagName('*');for(var i=0,l=elements.length;i<l;i++)Browser.freeMem(elements[i]);}});var Element=new Native({name:'Element',legacy:window.Element,initialize:function(tag,props){var konstructor=Element.Constructors.get(tag);if(konstructor)return konstructor(props);if(typeof tag=='string')return document.newElement(tag,props);return $(tag).set(props);},afterImplement:function(key,value){if(!Array[key])Elements.implement(key,Elements.multi(key));Element.Prototype[key]=value;}});Element.Prototype={$family:{name:'element'}};Element.Constructors=new Hash;var IFrame=new Native({name:'IFrame',generics:false,initialize:function(){var params=Array.link(arguments,{properties:Object.type,iframe:$defined});var props=params.properties||{};var iframe=$(params.iframe)||false;var onload=props.onload||$empty;delete props.onload;props.id=props.name=$pick(props.id,props.name,iframe.id,iframe.name,'IFrame_'+$time());iframe=new Element(iframe||'iframe',props);var onFrameLoad=function(){var host=$try(function(){return iframe.contentWindow.location.host;});if(host&&host==window.location.host){var win=new Window(iframe.contentWindow);var doc=new Document(iframe.contentWindow.document);$extend(win.Element.prototype,Element.Prototype);}
onload.call(iframe.contentWindow,iframe.contentWindow.document);};(!window.frames[props.id])?iframe.addListener('load',onFrameLoad):onFrameLoad();return iframe;}});var Elements=new Native({initialize:function(elements,options){options=$extend({ddup:true,cash:true},options);elements=elements||[];if(options.ddup||options.cash){var uniques={},returned=[];for(var i=0,l=elements.length;i<l;i++){var el=$.element(elements[i],!options.cash);if(options.ddup){if(uniques[el.uid])continue;uniques[el.uid]=true;}
returned.push(el);}
elements=returned;}
return(options.cash)?$extend(elements,this):elements;}});Elements.implement({filter:function(filter,bind){if(!filter)return this;return new Elements(Array.filter(this,(typeof filter=='string')?function(item){return item.match(filter);}:filter,bind));}});Elements.multi=function(property){return function(){var items=[];var elements=true;for(var i=0,j=this.length;i<j;i++){var returns=this[i][property].apply(this[i],arguments);items.push(returns);if(elements)elements=($type(returns)=='element');}
return(elements)?new Elements(items):items;};};Window.implement({$:function(el,nocash){if(el&&el.$family&&el.uid)return el;var type=$type(el);return($[type])?$[type](el,nocash,this.document):null;},$$:function(selector){if(arguments.length==1&&typeof selector=='string')return this.document.getElements(selector);var elements=[];var args=Array.flatten(arguments);for(var i=0,l=args.length;i<l;i++){var item=args[i];switch($type(item)){case'element':item=[item];break;case'string':item=this.document.getElements(item,true);break;default:item=false;}
if(item)elements.extend(item);}
return new Elements(elements);},getDocument:function(){return this.document;},getWindow:function(){return this;}});$.string=function(id,nocash,doc){id=doc.getElementById(id);return(id)?$.element(id,nocash):null;};$.element=function(el,nocash){$uid(el);if(!nocash&&!el.$family&&!(/^object|embed$/i).test(el.tagName)){var proto=Element.Prototype;for(var p in proto)el[p]=proto[p];};return el;};$.object=function(obj,nocash,doc){if(obj.toElement)return $.element(obj.toElement(doc),nocash);return null;};$.textnode=$.whitespace=$.window=$.document=$arguments(0);Native.implement([Element,Document],{getElement:function(selector,nocash){return $(this.getElements(selector,true)[0]||null,nocash);},getElements:function(tags,nocash){tags=tags.split(',');var elements=[];var ddup=(tags.length>1);tags.each(function(tag){var partial=this.getElementsByTagName(tag.trim());(ddup)?elements.extend(partial):elements=partial;},this);return new Elements(elements,{ddup:ddup,cash:!nocash});}});Element.Storage={get:function(uid){return(this[uid]||(this[uid]={}));}};Element.Inserters=new Hash({before:function(context,element){if(element.parentNode)element.parentNode.insertBefore(context,element);},after:function(context,element){if(!element.parentNode)return;var next=element.nextSibling;(next)?element.parentNode.insertBefore(context,next):element.parentNode.appendChild(context);},bottom:function(context,element){element.appendChild(context);},top:function(context,element){var first=element.firstChild;(first)?element.insertBefore(context,first):element.appendChild(context);}});Element.Inserters.inside=Element.Inserters.bottom;Element.Inserters.each(function(value,key){var Key=key.capitalize();Element.implement('inject'+Key,function(el){value(this,$(el,true));return this;});Element.implement('grab'+Key,function(el){value($(el,true),this);return this;});});Element.implement({getDocument:function(){return this.ownerDocument;},getWindow:function(){return this.ownerDocument.getWindow();},getElementById:function(id,nocash){var el=this.ownerDocument.getElementById(id);if(!el)return null;for(var parent=el.parentNode;parent!=this;parent=parent.parentNode){if(!parent)return null;}
return $.element(el,nocash);},set:function(prop,value){switch($type(prop)){case'object':for(var p in prop)this.set(p,prop[p]);break;case'string':var property=Element.Properties.get(prop);(property&&property.set)?property.set.apply(this,Array.slice(arguments,1)):this.setProperty(prop,value);}
return this;},get:function(prop){var property=Element.Properties.get(prop);return(property&&property.get)?property.get.apply(this,Array.slice(arguments,1)):this.getProperty(prop);},erase:function(prop){var property=Element.Properties.get(prop);(property&&property.erase)?property.erase.apply(this,Array.slice(arguments,1)):this.removeProperty(prop);return this;},match:function(tag){return(!tag||Element.get(this,'tag')==tag);},inject:function(el,where){Element.Inserters.get(where||'bottom')(this,$(el,true));return this;},wraps:function(el,where){el=$(el,true);return this.replaces(el).grab(el,where);},grab:function(el,where){Element.Inserters.get(where||'bottom')($(el,true),this);return this;},appendText:function(text,where){return this.grab(this.getDocument().newTextNode(text),where);},adopt:function(){Array.flatten(arguments).each(function(element){element=$(element,true);if(element)this.appendChild(element);},this);return this;},dispose:function(){return(this.parentNode)?this.parentNode.removeChild(this):this;},clone:function(contents,keepid){switch($type(this)){case'element':var attributes={};for(var j=0,l=this.attributes.length;j<l;j++){var attribute=this.attributes[j],key=attribute.nodeName.toLowerCase();if(Browser.Engine.trident&&(/input/i).test(this.tagName)&&(/width|height/).test(key))continue;var value=(key=='style'&&this.style)?this.style.cssText:attribute.nodeValue;if(!$chk(value)||key=='uid'||(key=='id'&&!keepid))continue;if(value!='inherit'&&['string','number'].contains($type(value)))attributes[key]=value;}
var element=new Element(this.nodeName.toLowerCase(),attributes);if(contents!==false){for(var i=0,k=this.childNodes.length;i<k;i++){var child=Element.clone(this.childNodes[i],true,keepid);if(child)element.grab(child);}}
return element;case'textnode':return document.newTextNode(this.nodeValue);}
return null;},replaces:function(el){el=$(el,true);el.parentNode.replaceChild(this,el);return this;},hasClass:function(className){return this.className.contains(className,' ');},addClass:function(className){if(!this.hasClass(className))this.className=(this.className+' '+className).clean();return this;},removeClass:function(className){this.className=this.className.replace(new RegExp('(^|\\s)'+className+'(?:\\s|$)'),'$1').clean();return this;},toggleClass:function(className){return this.hasClass(className)?this.removeClass(className):this.addClass(className);},getComputedStyle:function(property){if(this.currentStyle)return this.currentStyle[property.camelCase()];var computed=this.getWindow().getComputedStyle(this,null);return(computed)?computed.getPropertyValue([property.hyphenate()]):null;},empty:function(){$A(this.childNodes).each(function(node){Browser.freeMem(node);Element.empty(node);Element.dispose(node);},this);return this;},destroy:function(){Browser.freeMem(this.empty().dispose());return null;},getSelected:function(){return new Elements($A(this.options).filter(function(option){return option.selected;}));},toQueryString:function(){var queryString=[];this.getElements('input, select, textarea').each(function(el){if(!el.name||el.disabled)return;var value=(el.tagName.toLowerCase()=='select')?Element.getSelected(el).map(function(opt){return opt.value;}):((el.type=='radio'||el.type=='checkbox')&&!el.checked)?null:el.value;$splat(value).each(function(val){if(val)queryString.push(el.name+'='+encodeURIComponent(val));});});return queryString.join('&');},getProperty:function(attribute){var EA=Element.Attributes,key=EA.Props[attribute];var value=(key)?this[key]:this.getAttribute(attribute,2);return(EA.Bools[attribute])?!!value:(key)?value:value||null;},getProperties:function(){var args=$A(arguments);return args.map(function(attr){return this.getProperty(attr);},this).associate(args);},setProperty:function(attribute,value){var EA=Element.Attributes,key=EA.Props[attribute],hasValue=$defined(value);if(key&&EA.Bools[attribute])value=(value||!hasValue)?true:false;else if(!hasValue)return this.removeProperty(attribute);(key)?this[key]=value:this.setAttribute(attribute,value);return this;},setProperties:function(attributes){for(var attribute in attributes)this.setProperty(attribute,attributes[attribute]);return this;},removeProperty:function(attribute){var EA=Element.Attributes,key=EA.Props[attribute],isBool=(key&&EA.Bools[attribute]);(key)?this[key]=(isBool)?false:'':this.removeAttribute(attribute);return this;},removeProperties:function(){Array.each(arguments,this.removeProperty,this);return this;}});(function(){var walk=function(element,walk,start,match,all,nocash){var el=element[start||walk];var elements=[];while(el){if(el.nodeType==1&&(!match||Element.match(el,match))){elements.push(el);if(!all)break;}
el=el[walk];}
return(all)?new Elements(elements,{ddup:false,cash:!nocash}):$(elements[0],nocash);};Element.implement({getPrevious:function(match,nocash){return walk(this,'previousSibling',null,match,false,nocash);},getAllPrevious:function(match,nocash){return walk(this,'previousSibling',null,match,true,nocash);},getNext:function(match,nocash){return walk(this,'nextSibling',null,match,false,nocash);},getAllNext:function(match,nocash){return walk(this,'nextSibling',null,match,true,nocash);},getFirst:function(match,nocash){return walk(this,'nextSibling','firstChild',match,false,nocash);},getLast:function(match,nocash){return walk(this,'previousSibling','lastChild',match,false,nocash);},getParent:function(match,nocash){return walk(this,'parentNode',null,match,false,nocash);},getParents:function(match,nocash){return walk(this,'parentNode',null,match,true,nocash);},getChildren:function(match,nocash){return walk(this,'nextSibling','firstChild',match,true,nocash);},hasChild:function(el){el=$(el,true);return(!!el&&$A(this.getElementsByTagName(el.tagName)).contains(el));}});})();Element.Properties=new Hash;Element.Properties.style={set:function(style){this.style.cssText=style;},get:function(){return this.style.cssText;},erase:function(){this.style.cssText='';}};Element.Properties.tag={get:function(){return this.tagName.toLowerCase();}};Element.Properties.href={get:function(){return(!this.href)?null:this.href.replace(new RegExp('^'+document.location.protocol+'\/\/'+document.location.host),'');}};Element.Properties.html={set:function(){return this.innerHTML=Array.flatten(arguments).join('');}};Native.implement([Element,Window,Document],{addListener:function(type,fn){if(this.addEventListener)this.addEventListener(type,fn,false);else this.attachEvent('on'+type,fn);return this;},removeListener:function(type,fn){if(this.removeEventListener)this.removeEventListener(type,fn,false);else this.detachEvent('on'+type,fn);return this;},retrieve:function(property,dflt){var storage=Element.Storage.get(this.uid);var prop=storage[property];if($defined(dflt)&&!$defined(prop))prop=storage[property]=dflt;return $pick(prop);},store:function(property,value){var storage=Element.Storage.get(this.uid);storage[property]=value;return this;},eliminate:function(property){var storage=Element.Storage.get(this.uid);delete storage[property];return this;}});Element.Attributes=new Hash({Props:{'html':'innerHTML','class':'className','for':'htmlFor','text':(Browser.Engine.trident)?'innerText':'textContent'},Bools:['compact','nowrap','ismap','declare','noshade','checked','disabled','readonly','multiple','selected','noresize','defer'],Camels:['value','accessKey','cellPadding','cellSpacing','colSpan','frameBorder','maxLength','readOnly','rowSpan','tabIndex','useMap']});Browser.freeMem=function(item){if(!item)return;if(Browser.Engine.trident&&(/object/i).test(item.tagName)){for(var p in item){if(typeof item[p]=='function')item[p]=$empty;}
Element.dispose(item);}
if(item.uid&&item.removeEvents)item.removeEvents();};(function(EA){var EAB=EA.Bools,EAC=EA.Camels;EA.Bools=EAB=EAB.associate(EAB);Hash.extend(Hash.combine(EA.Props,EAB),EAC.associate(EAC.map(function(v){return v.toLowerCase();})));EA.erase('Camels');})(Element.Attributes);window.addListener('unload',function(){window.removeListener('unload',arguments.callee);document.purge();if(Browser.Engine.trident)CollectGarbage();});