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