var persistmenu="yes" //"yes" or "no".
var persisttype="sitewide" //enter "sitewide" for menu to persist across site, "local" for this page only

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("masterdiv").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 closeAll(){
	if(document.getElementById){
	var ar = document.getElementById("masterdiv").getElementsByTagName("div");
		for (var i=0; i<ar.length; i++) {
			ar[i].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) {
	if (window.addEventListener)
		window.addEventListener("unload", savemenustate, false)
	else if (window.attachEvent)
		window.attachEvent("onunload", savemenustate)
	else if (document.getElementById)
		window.onunload=savemenustate;
	//window.onunload = savemenustate
}