// JavaScript Document
var persistmenu = "sim";
var persisttype = "site";

if(document.getElementById) {
        document.write('<style type="text/css">')
        document.write('.submenu{display: none;}')
        document.write('</style>')
}

function abrir_menu(obj) {
        if(document.getElementById) {
                var el = document.getElementById(obj);
                var ar = document.getElementById("menu").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=="sim") {
                var cookiename = (persisttype=="site")? "abrir_menu" : 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("submenu"+inc)) {
                if(document.getElementById("submenu"+inc).style.display=="block")
 {
                        blockid="submenu"+inc
                        break
                }
        inc++
        }
        var cookiename = (persisttype=="site")? "abrir_menu" : window.location.pathname
        var cookievalue = (persisttype=="site")? 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=="sim" && document.getElementById) {
        window.onunload = savemenustate
}