var _canHide = false;

function toggleMenu(menu) {
    var menuElem = document.getElementById(menu);
    if (menuElem != null) {
        if (menuElem.style.display == 'none' || menuElem.style.display == '')
            showMenu(menu);
        else
            hideMenu(menu);
    }
}

function showMenu(menu, canHide) {
    _canHide = canHide
    var menuElem = document.getElementById(menu);
    if (menuElem != null) {
        menuElem.style.display = 'block';
    }
}

function hideMenu(menu, checkHide) {
    //alert("CanHide=" + _canHide + ":CheckHide=" + checkHide);
    var menuElem = document.getElementById(menu);
    if (menuElem != null) {
        if (!checkHide)
            _canHide = true;
        if (_canHide)
            menuElem.style.display = 'none';
    }
}

function highLightMenuItem(menuItem)
{
    document.getElementById(menuItem).style.backgroundColor = '#aecaf1';
    document.getElementById(menuItem).style.textDecoration = 'underline';
}

function resetMenuItem(menuItem)
{
    document.getElementById(menuItem).style.backgroundColor = '';
    document.getElementById(menuItem).style.textDecoration = 'none'; 
}