var enablepersist="off" //(on/off)
var collapseprevious="yes" //(yes/no)

var contractsymbol='<img src="skin/exp_minus.gif" align="middle"> ' //HTML for contract symbol. For image, use: <img src="frameImages/icons/show.gif">
var expandsymbol='<img src="skin/exp_plus.gif" align="middle"> ' //HTML for expand symbol.


if (document.getElementById)
{
	document.write('<style type="text/css">')
	document.write('.switchcontent{display:none;}')
	document.write('</style>')
}

function getElementbyClass(rootobj, classname)
{
	var temparray=new Array()
	var inc=0
	var rootlength=rootobj.length
	for (i=0; i<rootlength; i++)
	{
	if (rootobj[i].className==classname)
	temparray[inc++]=rootobj[i]
	}
	return temparray
}

function contractcontent(omit)
{
	var inc=0
	while (ccollect[inc])
	{
		if (ccollect[inc].id!=omit)
		ccollect[inc].style.display="none"
		inc++
	}
}

function expandcontent(curobj, cid)
{
	var spantags=curobj.getElementsByTagName("SPAN")
	var showstateobj=getElementbyClass(spantags, "showstate")
	if (ccollect.length>0)
	{
		if (collapseprevious=="yes")
		contractcontent(cid)
		document.getElementById(cid).style.display=(document.getElementById(cid).style.display!="block")? "block" : "none"
		if (showstateobj.length>0)
		{ //if "showstate" span exists in header
			if (collapseprevious=="no")
		showstateobj[0].innerHTML=(document.getElementById(cid).style.display=="block")? contractsymbol : expandsymbol
		else
		revivestatus()
		}
	}
}

function revivecontent()
{
	contractcontent("omitnothing")
	selectedItem=getselectedItem()
	selectedComponents=selectedItem.split("|")
	for (i=0; i<selectedComponents.length-1; i++)
	document.getElementById(selectedComponents[i]).style.display="block"
}

function revivestatus()
{
	var inc=0
	while (statecollect[inc])
	{
		if (ccollect[inc].style.display=="block")
		statecollect[inc].innerHTML=contractsymbol
		else
		statecollect[inc].innerHTML=expandsymbol
		inc++
	}
}

function getselectedItem()
{
	if (get_cookie(window.location.pathname) != "")
	{
		selectedItem=get_cookie(window.location.pathname)
		return selectedItem
	}
	else
		return ""
}


function do_onload()
{
	uniqueidn=window.location.pathname+"firsttimeload"
	var alltags=document.all? document.all : document.getElementsByTagName("*")
	ccollect=getElementbyClass(alltags, "switchcontent")
	statecollect=getElementbyClass(alltags, "showstate")
	if (enablepersist=="on" && ccollect.length>0)
	{
		document.cookie=(get_cookie(uniqueidn)=="")? uniqueidn+"=1" : uniqueidn+"=0" 
		firsttimeload=(get_cookie(uniqueidn)==1)? 1 : 0 //check if this is 1st page load
		if (!firsttimeload)
		revivecontent()
	}
	if (ccollect.length>0 && statecollect.length>0)
		revivestatus()
}

if (window.addEventListener)
	window.addEventListener("load", do_onload, false)
else if (window.attachEvent)
	window.attachEvent("onload", do_onload)
else if (document.getElementById)
	window.onload=do_onload

if (enablepersist=="on" && document.getElementById)
	window.onunload=saveswitchstate