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c}c=c.toLowerCase();return{x:c.test("left")?"left":(c.test("right")?"right":"center"),y:c.test(/upper|top/)?"top":(c.test("bottom")?"bottom":"center")}}};Element.implement({position:function(d){if(d&&(d.x!=null||d.y!=null)){return(b?b.apply(this,arguments):this)}var c=this.setStyle("position","absolute").calculatePosition(d);return(d&&d.returnPos)?c:this.setStyles(c)},calculatePosition:function(c){return a.getPosition(this,c)}})})(Element.prototype.position);Element.implement({isDisplayed:function(){return this.getStyle("display")!="none"},isVisible:function(){var a=this.offsetWidth,b=this.offsetHeight;return(a==0&&b==0)?false:(a>0&&b>0)?true:this.style.display!="none"},toggle:function(){return this[this.isDisplayed()?"hide":"show"]()},hide:function(){var b;try{b=this.getStyle("display")}catch(a){}if(b=="none"){return this}return this.store("element:_originalDisplay",b||"").setStyle("display","none")},show:function(a){if(!a&&this.isDisplayed()){return this}a=a||this.retrieve("element:_originalDisplay")||"block";return this.setStyle("display",(a=="none")?"block":a)},swapClass:function(a,b){return this.removeClass(a).addClass(b)}});Document.implement({clearSelection:function(){if(window.getSelection){var a=window.getSelection();if(a&&a.removeAllRanges){a.removeAllRanges()}}else{if(document.selection&&document.selection.empty){try{document.selection.empty()}catch(b){}}}}});var OverText=new Class({Implements:[Options,Events,Class.Occlude],Binds:["reposition","assert","focus","hide"],options:{element:"label",labelClass:"overTxtLabel",positionOptions:{position:"upperLeft",edge:"upperLeft",offset:{x:4,y:2}},poll:false,pollInterval:250,wrap:false},property:"OverText",initialize:function(b,a){b=this.element=document.id(b);if(this.occlude()){return this.occluded}this.setOptions(a);this.attach(b);OverText.instances.push(this);if(this.options.poll){this.poll()}},toElement:function(){return this.element},attach:function(){var b=this.element,a=this.options,c=a.textOverride||b.get("alt")||b.get("title");if(!c){return this}var d=this.text=new Element(a.element,{"class":a.labelClass,styles:{lineHeight:"normal",position:"absolute",cursor:"text"},html:c,events:{click:this.hide.pass(a.element=="label",this)}}).inject(b,"after");if(a.element=="label"){if(!b.get("id")){b.set("id","input_"+String.uniqueID())}d.set("for",b.get("id"))}if(a.wrap){this.textHolder=new Element("div.overTxtWrapper",{styles:{lineHeight:"normal",position:"relative"}}).grab(d).inject(b,"before")}return this.enable()},destroy:function(){this.element.eliminate(this.property);this.disable();if(this.text){this.text.destroy()}if(this.textHolder){this.textHolder.destroy()}return this},disable:function(){this.element.removeEvents({focus:this.focus,blur:this.assert,change:this.assert});window.removeEvent("resize",this.reposition);this.hide(true,true);return this},enable:function(){this.element.addEvents({focus:this.focus,blur:this.assert,change:this.assert});window.addEvent("resize",this.reposition);this.assert(true);this.reposition();return this},wrap:function(){if(this.options.element=="label"){if(!this.element.get("id")){this.element.set("id","input_"+String.uniqueID())}this.text.set("for",this.element.get("id"))}},startPolling:function(){this.pollingPaused=false;return this.poll()},poll:function(a){if(this.poller&&!a){return this}if(a){clearInterval(this.poller)}else{this.poller=(function(){if(!this.pollingPaused){this.assert(true)}}).periodical(this.options.pollInterval,this)}return this},stopPolling:function(){this.pollingPaused=true;return this.poll(true)},focus:function(){if(this.text&&(!this.text.isDisplayed()||this.element.get("disabled"))){return this}return this.hide()},hide:function(c,a){if(this.text&&(this.text.isDisplayed()&&(!this.element.get("disabled")||a))){this.text.hide();this.fireEvent("textHide",[this.text,this.element]);this.pollingPaused=true;if(!c){try{this.element.fireEvent("focus");this.element.focus()}catch(b){}}}return this},show:function(){if(this.text&&!this.text.isDisplayed()){this.text.show();this.reposition();this.fireEvent("textShow",[this.text,this.element]);this.pollingPaused=false}return this},test:function(){return !this.element.get("value")},assert:function(a){return this[this.test()?"show":"hide"](a)},reposition:function(){this.assert(true);if(!this.element.isVisible()){return this.stopPolling().hide()}if(this.text&&this.test()){this.text.position(Object.merge(this.options.positionOptions,{relativeTo:this.element}))}return this}});OverText.instances=[];Object.append(OverText,{each:function(a){return OverText.instances.each(function(c,b){if(c.element&&c.text){a.call(OverText,c,b)}})},update:function(){return OverText.each(function(a){return a.reposition()})},hideAll:function(){return OverText.each(function(a){return a.hide(true,true)})},showAll:function(){return OverText.each(function(a){return a.show()})}});;(function(){Fx.Scroll=new Class({Extends:Fx,options:{offset:{x:0,y:0},wheelStops:true},initialize:function(c,b){this.element=this.subject=document.id(c);
this.parent(b);if(typeOf(this.element)!="element"){this.element=document.id(this.element.getDocument().body);}if(this.options.wheelStops){var d=this.element,e=this.cancel.pass(false,this);
this.addEvent("start",function(){d.addEvent("mousewheel",e);},true);this.addEvent("complete",function(){d.removeEvent("mousewheel",e);},true);}},set:function(){var b=Array.flatten(arguments);
if(Browser.firefox){b=[Math.round(b[0]),Math.round(b[1])];}this.element.scrollTo(b[0],b[1]);return this;},compute:function(d,c,b){return[0,1].map(function(e){return Fx.compute(d[e],c[e],b);
});},start:function(c,d){if(!this.check(c,d)){return this;}var b=this.element.getScroll();return this.parent([b.x,b.y],[c,d]);},calculateScroll:function(g,f){var d=this.element,b=d.getScrollSize(),h=d.getScroll(),j=d.getSize(),c=this.options.offset,i={x:g,y:f};
for(var e in i){if(!i[e]&&i[e]!==0){i[e]=h[e];}if(typeOf(i[e])!="number"){i[e]=b[e]-j[e];}i[e]+=c[e];}return[i.x,i.y];},toTop:function(){return this.start.apply(this,this.calculateScroll(false,0));
},toLeft:function(){return this.start.apply(this,this.calculateScroll(0,false));},toRight:function(){return this.start.apply(this,this.calculateScroll("right",false));
},toBottom:function(){return this.start.apply(this,this.calculateScroll(false,"bottom"));},toElement:function(d,e){e=e?Array.from(e):["x","y"];var c=a(this.element)?{x:0,y:0}:this.element.getScroll();
var b=Object.map(document.id(d).getPosition(this.element),function(g,f){return e.contains(f)?g+c[f]:false;});return this.start.apply(this,this.calculateScroll(b.x,b.y));
},toElementEdge:function(d,g,e){g=g?Array.from(g):["x","y"];d=document.id(d);var i={},f=d.getPosition(this.element),j=d.getSize(),h=this.element.getScroll(),b=this.element.getSize(),c={x:f.x+j.x,y:f.y+j.y};
["x","y"].each(function(k){if(g.contains(k)){if(c[k]>h[k]+b[k]){i[k]=c[k]-b[k];}if(f[k]<h[k]){i[k]=f[k];}}if(i[k]==null){i[k]=h[k];}if(e&&e[k]){i[k]=i[k]+e[k];
}},this);if(i.x!=h.x||i.y!=h.y){this.start(i.x,i.y);}return this;},toElementCenter:function(e,f,h){f=f?Array.from(f):["x","y"];e=document.id(e);var i={},c=e.getPosition(this.element),d=e.getSize(),b=this.element.getScroll(),g=this.element.getSize();
["x","y"].each(function(j){if(f.contains(j)){i[j]=c[j]-(g[j]-d[j])/2;}if(i[j]==null){i[j]=b[j];}if(h&&h[j]){i[j]=i[j]+h[j];}},this);if(i.x!=b.x||i.y!=b.y){this.start(i.x,i.y);
}return this;}});Fx.Scroll.implement({scrollToCenter:function(){return this.toElementCenter.apply(this,arguments);},scrollIntoView:function(){return this.toElementEdge.apply(this,arguments);
}});function a(b){return(/^(?:body|html)$/i).test(b.tagName);}})();var SmoothScroll=Fx.SmoothScroll=new Class({Extends:Fx.Scroll,options:{axes:["x","y"]},initialize:function(c,d){d=d||document;
this.doc=d.getDocument();this.parent(this.doc,c);var e=d.getWindow(),a=e.location.href.match(/^[^#]*/)[0]+"#",b=$$(this.options.links||this.doc.links);
b.each(function(g){if(g.href.indexOf(a)!=0){return;}var f=g.href.substr(a.length);if(f){this.useLink(g,f);}},this);this.addEvent("complete",function(){e.location.hash=this.anchor;
this.element.scrollTo(this.to[0],this.to[1]);},true);},useLink:function(b,a){b.addEvent("click",function(d){var c=document.id(a)||this.doc.getElement("a[name="+a+"]");
if(!c){return;}d.preventDefault();this.toElement(c,this.options.axes).chain(function(){this.fireEvent("scrolledTo",[b,c]);}.bind(this));this.anchor=a;}.bind(this));
return this;}});