function showTopObj(object,object2) {
    var menuItem = document.getElementById(object);
    menuItem.style.visibility = 'visible';
    menuItem.style.display = 'block';
 }

function hideTopObj(object, object2) {
    var menuItem = document.getElementById(object);
    menuItem.style.visibility = 'hidden';
    menuItem.style.display = 'none';
}