/***********************************************
    * 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