var enablepersist="on"; //was set to "on" - I set it to "off" 
var collapseprevious="no"; //was set to "no" - I set it to "yes" - If set to yes the previous section will close.

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

function getElementbyClass(classname){
	ccollect=new Array() ; 
	var inc=0;
	var alltags=document.all? document.all:document.getElementsByTagName("*")
	for (i=0; i<alltags.length;i++){
		if (alltags[i].className==classname)
			ccollect[inc++]=alltags[i]
	}
}

function expandcontent(cid){
	if (typeof ccollect!="undefined"){
		if (collapseprevious=="yes")
		contractcontent(cid);
		document.getElementById(cid).style.display=(document.getElementById(cid).style.display!="block")? "block" : "none"
	}
}

function contractcontent(omit){
	var inc=0;
	while (ccollect[inc]){if (ccollect[inc].id!=omit)
	ccollect[inc].style.display="none";inc++}
}
	
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 get_cookie(Name){
	var search=Name + "=";
	var returnvalue="";
	if (document.cookie.length > 0) {
		offset=document.cookie.indexOf(search)
		if (offset != -1) {
			offset += search.length
			end=document.cookie.indexOf(";", offset);
			if (end == -1) 
			end=document.cookie.length;
			returnvalue=unescape(document.cookie.substring(offset, end))
		}
	}
	return returnvalue;
}

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

function saveswitchstate(){
	var inc=0, selectedItem="";
	while (ccollect[inc]){
		if (ccollect[inc].style.display=="block")
		selectedItem+=ccollect[inc].id+"|" ; inc++
	}  
	document.cookie=window.location.pathname+"="+selectedItem
}

function do_onload(){getElementbyClass("switchcontent") ; 
if (enablepersist=="on" && typeof ccollect!="undefined") ; 
	revivecontent()
}

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