var persistmenu="yes" 
var persisttype="sitewide" 

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

function SwitchMenu(obj){
	if(document.getElementById) {
	var el = document.getElementById(obj);
	var ar = document.getElementById("sidemenu").getElementsByTagName("div"); 
		if(el.style.display != "block") { 
			for (var i=0; i<ar.length; i++) {
				if (ar[i].className=="submenu") 
				ar[i].style.display = "none";
			}
			el.style.display = "block";
		} else {
			el.style.display = "none";
		}
	}
}

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 onloadfunction() {
	if (persistmenu=="yes") {
		var cookiename=(persisttype=="sitewide")? "switchmenu" : window.location.pathname
		var cookievalue=get_cookie(cookiename)
		if (cookievalue!="")
			document.getElementById(cookievalue).style.display="block"
	}
}

function savemenustate() {
	var inc=1, blockid=""
	while (document.getElementById("sub"+inc)) {
		if (document.getElementById("sub"+inc).style.display=="block"){
			blockid="sub"+inc
			break
		}
	inc++
	}
	var cookiename=(persisttype=="sitewide")? "switchmenu" : window.location.pathname
	var cookievalue=(persisttype=="sitewide")? blockid+";path=/" : blockid
	document.cookie=cookiename+"="+cookievalue
}

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

if (persistmenu=="yes" && document.getElementById)
	window.onunload=savemenustate