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