var timeouts_menus = new Array();
function affiche(id) {
    var d = document.getElementById('sousMenu'+id);
    for (var i = 0; i<=nbSub; i++) {
        if (i!= id && document.getElementById('sousMenu'+i)) {
            timeouts_menus[i] = setTimeout("document.getElementById('sousMenu"+i+"').style.display='none';", 100);
        }
    }
    if (d) {
        clearTimeout(timeouts_menus[id]);
        d.style.display='block';
    }
}