<!--
function get_activation_str() {
    retval = "";

    for (i=1; i<4; i++) {
        state = get_menu_state(i);
        if (state == -1)
            break;
        retval += state;
    }
    return retval;
}

function get_menu_state(i) {
    c1 = 'menuback';
    elem = document.getElementById("a"+i);
    if (!elem)
        return -1;
    if (elem.className == c1) 
        return 1;
    return 0;
 
}

function set_menu_open(i) {
  if (get_menu_state(i) == 0) {
    togglelabel(i);
    togglebtn("btn"+i);
  }
}

function set_menu_closed(i) {
  if (get_menu_state(i) == 1) {
    togglelabel(i);
    togglebtn("btn"+i);
  }
}

function toggle_item(x) {
    togglelabel(x);
    togglebtn("btn"+x);
    actstr = get_activation_str();
    setCookie("menustate", actstr, false, "/");
    return true;
}

function set_menustates() {
    l_a="menuback";
    l_d="menuback-hidden";
    b_a="menu-btn-up";
    b_d="menu-btn-down";

    x = getCookie("menustate");
    if (!x) {
        return false;
    }
    for (i=1; i<4; i++) {
        elem_l = document.getElementById("a"+i);
        elem_b = document.getElementById("abtn"+i);
        if (!elem_l) {
            continue;
        }
        if (x.charAt(i-1)=="1") {
            elem_l.className = l_a;
            elem_b.className = b_a;
        } else {
            elem_l.className = l_d;
            elem_b.className = b_d;
        }
    }
}
-->