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