var persistmenu="yes";
var persisttype="sitewide";

if (document.getElementById){
	document.write('<style type="text/css">\n');
	document.write('.submenu{display: none;}\n');
	document.write('.xsubmenu{display: none;}\n');
	document.write('</style>\n');
}

function SwitchMenu(obj, toclose){
	if(document.getElementById){
	var el = document.getElementById(obj);
	var ar = document.getElementById("masterdiv").getElementsByTagName("span");
		if(el.style.display != "block"){
			if (toclose)
			{
				closeclass = "submenu";
			} else {
				closeclass = "xsubmenu";
			}
			for (var i=0; i<ar.length; i++){
				if (ar[i].className==closeclass)
					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;
