//Animated Collapsible DIV- Author: Dynamic Drive (http://www.dynamicdrive.com)
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
	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))
	{ 
		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
	}
	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
	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 
		this.divObj.style.visibility="visible"
	}
	else 
		this.divObj.style.height=this.contentheight+"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)
	{ 
		var distancepercent=(direction=="down")? animatedcollapse.curveincrement(elapsed/this.timelength) : 1-animatedcollapse.curveincrement(elapsed/this.timelength)
		this.divObj.style.height=distancepercent * this.contentheight +"px"
		this.runtimer=setTimeout(function(){thisobj._slideengine(direction)}, 10)
	}
	else
	{
		this.divObj.style.height=(direction=="down")? this.contentheight+"px" : 0
		this.isExpanded=(direction=="down")? "yes" : "no" //remember whether content is expanded or not
		this.runtimer=null
	}
	
}
animatedcollapse.prototype.slidedown=function()
{
	if (typeof this.runtimer=="undefined" || this.runtimer==null)
	{ //if animation isn't already running or has stopped running
		if (parseInt(this.divObj.style.height)==0)
		{ //if content is collapsed
			//this.startTime=new Date().getTime() //Set animation start time
			this._slideengine("down")
		}
	}
}
animatedcollapse.prototype.slideup=function()
{
	if (typeof this.runtimer=="undefined" || this.runtimer==null)
	{ 
		if (parseInt(this.divObj.style.height)==this.contentheight){ //if content is expanded
			//this.startTime=new Date().getTime() //Set animation start time
			this._slideengine("up")
		}
	}
}
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()
}
animatedcollapse.curveincrement=function(percent)
{
		return (1-Math.cos(percent*Math.PI)) / 2  
}
animatedcollapse.dotask=function(target, functionref, tasktype)
{ 
	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"); 
		if (document.cookie.match(re))
			return document.cookie.match(re)[0].split("=")[1]
		return ""
}
animatedcollapse.setCookie=function(name, value)
{
		document.cookie = name+"="+value
}
function disablediv(divname)
{
    for(i = 1; i <=14 ;i++)
	{
		if ('div'+ i != divname)
		{
			eval('collapse'+i+'.slideup()')
		}
	}
}
