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