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("masterdiv").getElementsByTagName("span");
		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;