function initializeMenu(menuId, actuatorId) {
    var menu = document.getElementById(menuId);
    var actuator = document.getElementById(actuatorId);
    var menus = document.getElementsByTagName('ul');
    actuator.onclick = function () {
//        for (i = 1; i < menus.length; i++) {
//            if (menus[i].id.substr(menus[i].id.length - 2, 2) != '.0') { closeMenu(menus[i].id) }
//            else {
//                if (menus[i].id.substr(1, menus[i].id.length - 2) != menu.id.substr(1, menus[i].id.length - 2)) { closeMenu(menus[i].id) }
//            } 
//        };
        var display = menu.style.display;
        this.parentNode.style.backgroundImage = (display == "block") ? "url('/img/iTancat.gif')" : "url('/img/iObert.gif')";
        menu.style.display = (display == "block") ? "none" : "block"; return false;
    } 
}
function openMenu(menuId) {
    var menu = document.getElementById(menuId);
    menu.parentNode.style.backgroundImage = "url('/img/iObert.gif')";
    menu.style.display = "block"; return false;
}
//function closeMenu(menuId) {
//    var menu = document.getElementById(menuId);
//    menu.parentNode.style.backgroundImage = "url('/img/iTancat.gif')";
//    menu.style.display = "none"; return false;
//}
//function initializeMenu(menuId, actuatorId) {
//    var menu = document.getElementById(menuId);
//    var actuator = document.getElementById(actuatorId);
//    var menus = document.getElementsByTagName('ul');
//    actuator.onclick = function () {
//        var display = menu.style.display;
//        if (menu.style.display == "none") { for (i = 1; i < menus.length; i++) { if (menus[i].id != '') { closeMenu(menus[i].id) } }; };
//        menu.style.display = (display == "block") ? "none" : "block"; return false;
//    } 
//}
//function openMenu(menuId) {
//    var menu = document.getElementById(menuId);
//    menu.style.display = "block"; return false;
//}
//function closeMenu(menuId) {
//    var menu = document.getElementById(menuId);
//    menu.style.display = "none"; return false;
//}