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="local" //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("span");
    var ai = document.getElementById("masterdiv").getElementsByTagName("img");
		if(el.style.display != "block"){ 
			for (var i=0; i<ar.length; i++) {
				if (ar[i].className=="submenu") {
				  ar[i].style.display = "none";
				  ai[i].src = "/img/plus.png";
        } 
			}
			el.style.display = "block";
      imgid="img"+obj;
      document.getElementById(imgid).src="/img/min.png";
		}
    else {
			el.style.display = "none";
      imgid="img"+obj;
      document.getElementById(imgid).src="/img/plus.png";
		}
	}
}

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 url = window.location.search;
if (url.indexOf('&') > 0) {
	var cat = url.substring(url.indexOf('=')+1, url.indexOf('&'));
}
else {
	var cat = url.substring(url.indexOf('=')+1, url.length);
}
var cookiename=(persisttype=="sitewide")? "switchmenu" : window.location.pathname + "_" + cat;
var cookievalue = '';
var cookievalue = cookievalue + get_cookie(cookiename);
var imgid="img"+cookievalue;
if (imgid.length > 3) {
document.getElementById(imgid).src="/img/min.png";
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 url = window.location.search;
if (url.indexOf('&') > 0) {
	var cat = url.substring(url.indexOf('=')+1, url.indexOf('&'));
}
else {
	var cat = url.substring(url.indexOf('=')+1, url.length);
}
var cookiename=(persisttype=="sitewide")? "switchmenu" : window.location.pathname + "_" + cat;
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