/*Copyright (c) 2006. Adobe Systems Incorporated. All rights reserved.*/
var Spry;
if (!Spry) Spry={};
if (!Spry.Widget) Spry.Widget={};
Spry.Widget.CollapsiblePanel=function(element,opts){this.init(element);Spry.Widget.CollapsiblePanel.setOptions(this,opts);this.attachBehaviors();};
Spry.Widget.CollapsiblePanel.prototype.init=function(element){this.element=this.getElement(element);this.focusElement=null;this.hoverClass="CollapsiblePanelTabHover";this.openClass="CollapsiblePanelOpen";this.closedClass="CollapsiblePanelClosed";this.focusedClass="CollapsiblePanelFocused";this.enableAnimation=true;this.enableKeyboardNavigation=true;this.animator=null;this.hasFocus=false;this.contentIsOpen=false;};
Spry.Widget.CollapsiblePanel.prototype.getElement=function(ele){if (ele&&typeof ele=="string") return document.getElementById(ele);return ele;};
Spry.Widget.CollapsiblePanel.prototype.addClassName=function(ele,className){if (!ele||!className||(ele.className&&ele.className.search(new RegExp("\\b"+className+"\\b"))!=-1)) return;ele.className+=(ele.className?" ":"")+className;};
Spry.Widget.CollapsiblePanel.prototype.removeClassName=function(ele,className){if (!ele||!className||(ele.className&&ele.className.search(new RegExp("\\b"+className+"\\b"))==-1)) return;ele.className=ele.className.replace(new RegExp("\\s*\\b"+className+"\\b","g"),"");};
Spry.Widget.CollapsiblePanel.prototype.hasClassName=function(ele,className){if (!ele||!className||!ele.className||ele.className.search(new RegExp("\\b"+className+"\\b"))==-1) return false;return true;};
Spry.Widget.CollapsiblePanel.prototype.setDisplay=function(ele,display){if(ele) ele.style.display=display;};
Spry.Widget.CollapsiblePanel.setOptions=function(obj,optionsObj,ignoreUndefinedProps){
if (!optionsObj) return;
for (var optionName in optionsObj){
	if (ignoreUndefinedProps&&optionsObj[optionName]==undefined) continue;
	obj[optionName]=optionsObj[optionName];
}
};
Spry.Widget.CollapsiblePanel.prototype.onTabMouseOver=function(){this.addClassName(this.getTab(),this.hoverClass);};
Spry.Widget.CollapsiblePanel.prototype.onTabMouseOut=function(){this.removeClassName(this.getTab(),this.hoverClass);};
Spry.Widget.CollapsiblePanel.prototype.open=function(){
this.contentIsOpen=true;
if (this.enableAnimation){
	if (this.animator) this.animator.stop();
	this.animator=new Spry.Widget.CollapsiblePanel.PanelAnimator(this,true);this.animator.start();
}
else this.setDisplay(this.getContent(),"block");
this.removeClassName(this.element,this.closedClass);this.addClassName(this.element,this.openClass);
};
Spry.Widget.CollapsiblePanel.prototype.close=function(){
this.contentIsOpen=false;
if (this.enableAnimation){
	if (this.animator) this.animator.stop();
	this.animator=new Spry.Widget.CollapsiblePanel.PanelAnimator(this,false);this.animator.start();
}
else this.setDisplay(this.getContent(),"none");
this.removeClassName(this.element,this.openClass);this.addClassName(this.element,this.closedClass);
};
Spry.Widget.CollapsiblePanel.prototype.onTabClick=function(){
if (this.isOpen()) this.close();
else this.open();
this.focus();
};
Spry.Widget.CollapsiblePanel.prototype.onFocus=function(e){this.hasFocus=true;this.addClassName(this.element,this.focusedClass);};
Spry.Widget.CollapsiblePanel.prototype.onBlur=function(e){this.hasFocus=false;this.removeClassName(this.element,this.focusedClass);};
Spry.Widget.CollapsiblePanel.ENTER_KEY=13;Spry.Widget.CollapsiblePanel.SPACE_KEY=32;
Spry.Widget.CollapsiblePanel.prototype.onKeyDown=function(e){
var key=e.keyCode;
if (!this.hasFocus||(key!=Spry.Widget.CollapsiblePanel.ENTER_KEY&&key!=Spry.Widget.CollapsiblePanel.SPACE_KEY)) return true;
if (this.isOpen()) this.close();
else this.open();
if (e.stopPropagation) e.stopPropagation();
if (e.preventDefault) e.preventDefault();
return false;
};
Spry.Widget.CollapsiblePanel.prototype.attachPanelHandlers=function(){
var tab=this.getTab();
if (!tab) return;
var self=this;
Spry.Widget.CollapsiblePanel.addEventListener(tab,"click",function(e){return self.onTabClick();},false);
Spry.Widget.CollapsiblePanel.addEventListener(tab,"mouseover",function(e){return self.onTabMouseOver();},false);
Spry.Widget.CollapsiblePanel.addEventListener(tab,"mouseout",function(e){return self.onTabMouseOut();},false);
if (this.enableKeyboardNavigation){
// XXX: IE doesn't allow the setting of tabindex dynamically. This means we can't rely on adding the tabindex attribute if it is missing to enable keyboard navigation by default. Find the first element within the tab container that has a tabindex or the first anchor tag.
	var tabIndexEle=null;var tabAnchorEle=null;
	this.preorderTraversal(tab,function(node){
		if (node.nodeType==1/* NODE.ELEMENT_NODE */){
			var tabIndexAttr=tab.attributes.getNamedItem("tabindex");
			if (tabIndexAttr){tabIndexEle=node;return true;}
			if (!tabAnchorEle&&node.nodeName.toLowerCase()=="a") tabAnchorEle=node;
		}
		return false;
	});
	if (tabIndexEle) this.focusElement=tabIndexEle;
	else if (tabAnchorEle) this.focusElement=tabAnchorEle;
	if (this.focusElement){Spry.Widget.CollapsiblePanel.addEventListener(this.focusElement,"focus",function(e){return self.onFocus(e);},false);Spry.Widget.CollapsiblePanel.addEventListener(this.focusElement,"blur",function(e){return self.onBlur(e);},false);Spry.Widget.CollapsiblePanel.addEventListener(this.focusElement,"keydown",function(e){return self.onKeyDown(e);},false);}
}
};
Spry.Widget.CollapsiblePanel.addEventListener=function(element,eventType,handler,capture){
try{
	if (element.addEventListener) element.addEventListener(eventType,handler,capture);
	else if (element.attachEvent) element.attachEvent("on"+eventType,handler);
}catch (e){}
};
Spry.Widget.CollapsiblePanel.prototype.preorderTraversal=function(root,func){
var stopTraversal=false;
if (root){
	stopTraversal=func(root);
	if (root.hasChildNodes()){
		var child=root.firstChild;
		while (!stopTraversal&&child){stopTraversal=this.preorderTraversal(child,func);try {child=child.nextSibling;} catch (e){child=null;}}
	}
	}
return stopTraversal;
};
Spry.Widget.CollapsiblePanel.prototype.attachBehaviors=function(){
var panel=this.element;var tab=this.getTab();var content=this.getContent();
if (this.contentIsOpen||this.hasClassName(panel,this.openClass)){this.removeClassName(panel,this.closedClass);this.setDisplay(content,"block");this.contentIsOpen=true;}
else{this.removeClassName(panel,this.openClass);this.addClassName(panel,this.closedClass);this.setDisplay(content,"none"); this.contentIsOpen=false;}
this.attachPanelHandlers();
};
Spry.Widget.CollapsiblePanel.prototype.getTab=function(){return this.getElementChildren(this.element)[0];};
Spry.Widget.CollapsiblePanel.prototype.getContent=function(){return this.getElementChildren(this.element)[1];};
Spry.Widget.CollapsiblePanel.prototype.isOpen=function(){return this.contentIsOpen;};
Spry.Widget.CollapsiblePanel.prototype.getElementChildren=function(element){
var children=[];var child=element.firstChild;
while (child){if (child.nodeType==1/* Node.ELEMENT_NODE */) children.push(child);child=child.nextSibling;}
return children;
};
Spry.Widget.CollapsiblePanel.prototype.focus=function(){if (this.focusElement&&this.focusElement.focus) this.focusElement.focus();};
Spry.Widget.CollapsiblePanel.PanelAnimator=function(panel,doOpen,opts){
this.timer=null;this.interval=0;this.stepCount=0;this.fps=0;this.steps=10;this.duration=500;this.onComplete=null;this.panel=panel;this.content=panel.getContent();this.panelData=[];this.doOpen=doOpen;
Spry.Widget.CollapsiblePanel.setOptions(this,opts);
// If caller specified speed in terms of frames per second, convert them into steps.
if (this.fps>0){this.interval=Math.floor(1000/this.fps);this.steps=parseInt((this.duration+(this.interval-1))/this.interval);}
else if (this.steps>0) this.interval=this.duration/this.steps;

var c=this.content;var curHeight=c.offsetHeight?c.offsetHeight:0;
if (doOpen&&c.style.display=="none") this.fromHeight=0;
else this.fromHeight=curHeight;

if (!doOpen) this.toHeight=0;
else{
	if (c.style.display=="none"){c.style.visibility="hidden";c.style.display="block";}
	c.style.height="";this.toHeight=c.offsetHeight;
}
this.increment=(this.toHeight-this.fromHeight)/this.steps;
this.overflow=c.style.overflow;
c.style.height=this.fromHeight+"px";c.style.visibility="visible";c.style.overflow="hidden";c.style.display="block";
};
Spry.Widget.CollapsiblePanel.PanelAnimator.prototype.start=function(){var self=this;this.timer=setTimeout(function(){self.stepAnimation();},this.interval);};
Spry.Widget.CollapsiblePanel.PanelAnimator.prototype.stop=function(){
if (this.timer){clearTimeout(this.timer);if (this.stepCount<this.steps) this.content.style.overflow=this.overflow;}
this.timer=null;
};
Spry.Widget.CollapsiblePanel.PanelAnimator.prototype.stepAnimation=function(){
++this.stepCount;this.animate();
if (this.stepCount<this.steps) this.start();
else if (this.onComplete) this.onComplete();
};
Spry.Widget.CollapsiblePanel.PanelAnimator.prototype.animate=function(){
if (this.stepCount>=this.steps){
	if (!this.doOpen) this.content.style.display="none";
	this.content.style.overflow=this.overflow;this.content.style.height=this.toHeight+"px";
}else{this.fromHeight+=this.increment;this.content.style.height=this.fromHeight+"px";}
};