var lvl_timeout = 1;
var t_lvl_close = 0;
var lvl = null;
var lvl_parent = null;
var link = null;

// otvori dropdown
function lvlOpen(obj) {
    // zatvori stari dropdown
    lvlClose();

    // dohvati i i postavi aktivan link
//    lvl_parent = obj;
//    lvl_parent.className += ' hover';

    // dohvati i otvori novi dropdown
//    lvl = obj.parentNode.getElementsByTagName("div")[0];
    //    lvl.style.visibility = 'visible';

    link = obj;
    link.className += " hover";
}
// zatvori otvoreni menu
function lvlClose() {
    lvlCancelTimer();
//    if (lvl_parent) lvl_parent.className = lvl_parent.className.replace(' hover', '');
//    if (lvl) lvl.style.visibility = 'hidden';

    if (link) link.className = link.className.replace(' hover', '');
}

// postavi timer za zatvaranje
function lvlCloseTimer() {
    t_lvl_close = window.setTimeout(lvlClose, timeout);
}

// otkazi timer za zatvaranje
function lvlCancelTimer() {
    if (t_lvl_close) {
        window.clearTimeout(t_lvl_close);
        t_lvl_close = null;
    }
}

// zatvori na klik van izbornika
document.onclick = lvlClose;