/***********************************************
* Switch Menu script- by Martial B of http://getElementById.com/
* Modified by Dynamic Drive for format & NS4/IE4 compatibility
* Visit http://www.dynamicdrive.com/ for full source code
***********************************************/

var persistmenu="yes" //"yes" or "no". Make sure each SPAN content contains an incrementing ID starting at 1 (id="sub1", id="sub2", etc)
var persisttype="sitewide" //enter "sitewide" for menu to persist across site, "local" for this page only

if (document.getElementById) { //DynamicDrive.com change
 	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"); //DynamicDrive.com change
		if (el.style.display != "block") { //DynamicDrive.com change
			for (var i=0; i<ar.length; i++){
				if (ar[i].className=="submenu") //DynamicDrive.com change
					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;