/***********************************************
* 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("menu").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);
      //alert("Cvalue: "+ cookievalue);
      if (cookievalue!=""){
         document.getElementById(cookievalue).style.display="block";
      }
   }
}

function savemenustate(){
   var inc=0, 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;
}