function openMenu( obj, menu ) {
    document.getElementById(menu).style.display = "block";
    
    obj.getElementsByTagName('a')[0].style.background = "url(/images/menu/menuslice_on.gif) repeat-x";
    obj.getElementsByTagName('a')[0].style.color = "#ffffff";
}

function closeMenu( obj, menu ) {
    document.getElementById(menu).style.display = "none";
    
    obj.getElementsByTagName('a')[0].style.background = "";
    obj.getElementsByTagName('a')[0].style.color = "#404040";
}