//MooTools More, <http://mootools.net/more>. Copyright (c) 2006-2008 Valerio Proietti, <http://mad4milk.net>, MIT Style License.

Fx.Elements=new Class({Extends:Fx.CSS,initialize:function(elements,options){this.elements=this.subject=$$(elements);this.parent(options);},compute:function(from,to,delta){var now={};for(var i in from){var iFrom=from[i],iTo=to[i],iNow=now[i]={};for(var p in iFrom)iNow[p]=this.parent(iFrom[p],iTo[p],delta);}
return now;},set:function(now){for(var i in now){var iNow=now[i];for(var p in iNow)this.render(this.elements[i],p,iNow[p],this.options.unit);}
return this;},start:function(obj){if(!this.check(arguments.callee,obj))return this;var from={},to={};for(var i in obj){var iProps=obj[i],iFrom=from[i]={},iTo=to[i]={};for(var p in iProps){var parsed=this.prepare(this.elements[i],p,iProps[p]);iFrom[p]=parsed.from;iTo[p]=parsed.to;}}
return this.parent(from,to);}});var Asset=new Hash({javascript:function(source,properties){properties=$extend({onload:$empty,document:document,check:$lambda(true)},properties);var script=new Element('script',{'src':source,'type':'text/javascript'});var load=properties.onload.bind(script),check=properties.check,doc=properties.document;delete properties.onload;delete properties.check;delete properties.document;script.addEvents({load:load,readystatechange:function(){if(['loaded','complete'].contains(this.readyState))load();}}).setProperties(properties);if(Browser.Engine.webkit419)var checker=(function(){if(!$try(check))return;$clear(checker);load();}).periodical(50);return script.inject(doc.head);},css:function(source,properties){return new Element('link',$merge({'rel':'stylesheet','media':'screen','type':'text/css','href':source},properties)).inject(document.head);},image:function(source,properties){properties=$merge({'onload':$empty,'onabort':$empty,'onerror':$empty},properties);var image=new Image();var element=$(image)||new Element('img');['load','abort','error'].each(function(name){var type='on'+name;var event=properties[type];delete properties[type];image[type]=function(){if(!image)return;if(!element.parentNode){element.width=image.width;element.height=image.height;}
image=image.onload=image.onabort=image.onerror=null;event.delay(1,element,element);element.fireEvent(name,element,1);};});image.src=element.src=source;if(image&&image.complete)image.onload.delay(1);return element.setProperties(properties);},images:function(sources,options){options=$merge({onComplete:$empty,onProgress:$empty},options);if(!sources.push)sources=[sources];var images=[];var counter=0;sources.each(function(source){var img=new Asset.image(source,{'onload':function(){options.onProgress.call(this,counter,sources.indexOf(source));counter++;if(counter==sources.length)options.onComplete();}});images.push(img);});return new Elements(images);}});var Tips=new Class({Implements:[Events,Options],options:{onShow:function(tip){tip.setStyle('visibility','visible');},onHide:function(tip){tip.setStyle('visibility','hidden');},showDelay:100,hideDelay:100,className:null,offsets:{x:16,y:16},fixed:false},initialize:function(){var params=Array.link(arguments,{options:Object.type,elements:$defined});this.setOptions(params.options||null);this.tip=new Element('div').inject(document.body);if(this.options.className)this.tip.addClass(this.options.className);var top=new Element('div',{'class':'tip-top'}).inject(this.tip);this.container=new Element('div',{'class':'tip'}).inject(this.tip);var bottom=new Element('div',{'class':'tip-bottom'}).inject(this.tip);this.tip.setStyles({position:'absolute',top:0,left:0,visibility:'hidden'});if(params.elements)this.attach(params.elements);},attach:function(elements){$$(elements).each(function(element){var title=element.retrieve('tip:title',element.get('title'));var text=element.retrieve('tip:text',element.get('rel')||element.get('href'));var enter=element.retrieve('tip:enter',this.elementEnter.bindWithEvent(this,element));var leave=element.retrieve('tip:leave',this.elementLeave.bindWithEvent(this,element));element.addEvents({mouseenter:enter,mouseleave:leave});if(!this.options.fixed){var move=element.retrieve('tip:move',this.elementMove.bindWithEvent(this,element));element.addEvent('mousemove',move);}
element.store('tip:native',element.get('title'));element.erase('title');},this);return this;},detach:function(elements){$$(elements).each(function(element){element.removeEvent('mouseenter',element.retrieve('tip:enter')||$empty);element.removeEvent('mouseleave',element.retrieve('tip:leave')||$empty);element.removeEvent('mousemove',element.retrieve('tip:move')||$empty);element.eliminate('tip:enter').eliminate('tip:leave').eliminate('tip:move');var original=element.retrieve('tip:native');if(original)element.set('title',original);});return this;},elementEnter:function(event,element){$A(this.container.childNodes).each(Element.dispose);var title=element.retrieve('tip:title');if(title){this.titleElement=new Element('div',{'class':'tip-title'}).inject(this.container);this.fill(this.titleElement,title);}
var text=element.retrieve('tip:text');if(text){this.textElement=new Element('div',{'class':'tip-text'}).inject(this.container);this.fill(this.textElement,text);}
this.timer=$clear(this.timer);this.timer=this.show.delay(this.options.showDelay,this);this.position((!this.options.fixed)?event:{page:element.getPosition()});},elementLeave:function(event){$clear(this.timer);this.timer=this.hide.delay(this.options.hideDelay,this);},elementMove:function(event){this.position(event);},position:function(event){var size=window.getSize(),scroll=window.getScroll();var tip={x:this.tip.offsetWidth,y:this.tip.offsetHeight};var props={x:'left',y:'top'};for(var z in props){var pos=event.page[z]+this.options.offsets[z];if((pos+tip[z]-scroll[z])>size[z])pos=event.page[z]-this.options.offsets[z]-tip[z];this.tip.setStyle(props[z],pos);}},fill:function(element,contents){(typeof contents=='string')?element.set('html',contents):element.adopt(contents);},show:function(){this.fireEvent('show',this.tip);},hide:function(){this.fireEvent('hide',this.tip);}});