//Animated Collapsible DIV- Author: Dynamic Drive (http://www.dynamicdrive.com)
//Last updated Aug 1st, 07'. Fixed bug with "block" parameter not working when persist is enabled
//Updated June 27th, 07'. Added ability for a DIV to be initially expanded.

var uniquepageid=window.location.href.replace("http://"+window.location.hostname, "").replace(/^\//, "") //get current page path and name, used to uniquely identify this page for persistence feature

function animatedcollapse(divId, animatetime, persistexpand, initstate){
	this.divId=divId
	if(window.navigator.appName == "Netscape")	//works for mozilla,netscape
	{
		this.objId = document.getElementById(divId+"_object2");
		this.IE = false;
	}
	if(window.navigator.appName == "Microsoft Internet Explorer")
	{
		this.objId = document.getElementById(divId+"_object1");
		this.IE = true;
	}
	
	this.objHeight = this.objId.height;
	this.objWidth = this.objId.width;
	this.txtTest = document.getElementById("txtTest");
	this.divObj=document.getElementById(divId)
	this.divObj.style.overflow="hidden"
	this.timelength=animatetime
	this.initstate=(typeof initstate!="undefined" && initstate=="block")? "block" : "contract"
	this.isExpanded=animatedcollapse.getCookie(uniquepageid+"-"+divId) //"yes" or "no", based on cookie value
	this.contentheight=parseInt(this.divObj.style.height)
	var thisobj=this
	if (isNaN(this.contentheight)){ //if no CSS "height" attribute explicitly defined, get DIV's height on window.load
		animatedcollapse.dotask(window, function(){thisobj._getheight(persistexpand)}, "load")
		if (!persistexpand && this.initstate=="contract" || persistexpand && this.isExpanded!="yes" && this.isExpanded!="") //Hide DIV (unless div should be expanded by default, OR persistence is enabled and this DIV should be expanded)
		{
			this.divObj.style.visibility="hidden" //hide content (versus collapse) until we can get its height
			this.objId.style.height = 0
		}
	}
	else if (!persistexpand && this.initstate=="contract" || persistexpand && this.isExpanded!="yes" && this.isExpanded!="") //Hide DIV (unless div should be expanded by default, OR persistence is enabled and this DIV should be expanded)
	{
		this.divObj.style.height=0 //just collapse content if CSS "height" attribute available
		this.objId.style.height = 0;
	}
		
	if (persistexpand)
		animatedcollapse.dotask(window, function(){animatedcollapse.setCookie(uniquepageid+"-"+thisobj.divId, thisobj.isExpanded)}, "unload")
}

animatedcollapse.prototype._getheight=function(persistexpand){
	this.contentheight=this.divObj.offsetHeight
	if (!persistexpand && this.initstate=="contract" || persistexpand && this.isExpanded!="yes"){ //Hide DIV (unless div should be expanded by default, OR persistence is enabled and this DIV should be expanded)
		this.divObj.style.height=0 //collapse contentb
		this.divObj.style.visibility="visible"
		this.objId.style.height = 0
	}
	else //else if persistence is enabled AND this content should be expanded, define its CSS height value so slideup() has something to work with
		this.divObj.style.height=this.contentheight+"px"
		//this.objId.style.height = this.objHeight + "px";
}


animatedcollapse.prototype._slideengine=function(direction){
	var elapsed=new Date().getTime()-this.startTime //get time animation has run
	var thisobj=this
	if (elapsed<this.timelength){ //if time run is less than specified length
		var distancepercent=(direction=="down")? animatedcollapse.curveincrement(elapsed/this.timelength) : 1-animatedcollapse.curveincrement(elapsed/this.timelength)
	this.divObj.style.height=distancepercent * this.contentheight +"px";
	try
	{
		if(this.IE)
			this.objId.style.height = this.objHeight +"px";
		else
			this.objId.style.height = distancepercent * this.contentheight +"px";
	}
	catch(ex)
	{
	}
	this.runtimer=setTimeout(function(){thisobj._slideengine(direction)}, 10)
	}
	else{ //if animation finished
		
		this.divObj.style.height=(direction=="down")? this.contentheight+"px" : 0
		try
		{
			this.objId.style.height = (direction=="down")? this.contentheight+"px" : 0
			if(this.objId.style.height > this.objHeight)
				this.objId.style.height = this.objHeight + "px";
		}
		catch(ex)
		{
		}
		this.isExpanded=(direction=="down")? "yes" : "no" //remember whether content is expanded or not
		this.runtimer=null
		//if(this.isExpanded == "no")
			//this.objId.style.height = 0 ;
	}
}


animatedcollapse.prototype.slidedown=function(){
	
	
	if (typeof this.runtimer=="undefined" || this.runtimer==null){ //if animation isn't already running or has stopped running
		if (isNaN(this.contentheight)) //if content height not available yet (until window.onload)
			alert("Please wait until document has fully loaded then click again")
		else if (parseInt(this.divObj.style.height)==0){ //if content is collapsed
		if(this.IE)
			{
				this.startTime=new Date().getTime()
				this._slideengine("down")
			}
			else
			{
				this.divObj.style.height = this.contentheight + "px";
				this.objId.style.height = this.objHeight + "px";
			}
			
		}
	}
}

animatedcollapse.prototype.slideup=function(){

	
	if (typeof this.runtimer=="undefined" || this.runtimer==null){ //if animation isn't already running or has stopped running
	
		if (isNaN(this.contentheight)) //if content height not available yet (until window.onload)
			alert("Please wait until document has fully loaded then click again")
		else if (parseInt(this.divObj.style.height)==this.contentheight){ //if content is expanded
			if(this.IE)
			{
				this.startTime=new Date().getTime()
				this._slideengine("up")
			}
			else
			{
				this.divObj.style.height = 0;
				this.objId.style.height = 0 ;
			}
		
		}
	}
}

animatedcollapse.prototype.slideit=function(){
		
	
	if (isNaN(this.contentheight)) //if content height not available yet (until window.onload)
		alert("Please wait until document has fully loaded then click again")
	else if (parseInt(this.divObj.style.height)==0)
		this.slidedown()
	else if (parseInt(this.divObj.style.height)==this.contentheight)
		this.slideup()
}

// -------------------------------------------------------------------
// A few utility functions below:
// -------------------------------------------------------------------

animatedcollapse.curveincrement=function(percent){
	return (1-Math.cos(percent*Math.PI)) / 2 //return cos curve based value from a percentage input
}


animatedcollapse.dotask=function(target, functionref, tasktype){ //assign a function to execute to an event handler (ie: onunload)
	var tasktype=(window.addEventListener)? tasktype : "on"+tasktype
	if (target.addEventListener)
		target.addEventListener(tasktype, functionref, false)
	else if (target.attachEvent)
		target.attachEvent(tasktype, functionref)
}

animatedcollapse.getCookie=function(Name){ 
	var re=new RegExp(Name+"=[^;]+", "i"); //construct RE to search for target name/value pair
	if (document.cookie.match(re)) //if cookie found
		return document.cookie.match(re)[0].split("=")[1] //return its value
	return ""
}

animatedcollapse.setCookie=function(name, value){
		document.cookie = name+"="+value
}



//handels shutting off the swf player and closing the div
function DivClose(objDiv)
{

	try
	{
		var objDiv = document.getElementById(objDiv);	//main div
		var objSwf = null;
		if(window.navigator.appName == "Netscape")						//works for mozilla,netscape
				objSwf = document.getElementById(objDiv.id+"_object2");
		if(window.navigator.appName == "Microsoft Internet Explorer")	//works for explorer
				objSwf = document.getElementById(objDiv.id+"_object1");

		//objSwf.Play();	  //this is doing a toggle process(if on makes off, if off makes on)..need to check
		//objSwf.StopPlay(); //this is not working here..need to check as this is the basic one to use
		objSwf.Rewind();	//this is working fine
		objSwf.style.height = 0;
		objDiv.style.height = 0;
	}
	catch(error)	//there might be sometimes error if the browser does not get flash file
	{
		objDiv.style.height = 0;	
	}

}

function getFlashMovieObject(movieName)
{
  if (window.document[movieName]) 
  {
    return window.document[movieName];
  }
  if (navigator.appName.indexOf("Microsoft Internet")==-1)
  {
    if (document.embeds && document.embeds[movieName])
      return document.embeds[movieName]; 
  }
  else // if (navigator.appName.indexOf("Microsoft Internet")!=-1)
  {
    return document.getElementById(movieName);
  }
}