var menuN2 ="";
var menuN1 ="";

function OuvrirMenuN2(idmenu){
    if(menuN2 != ""){
        document.getElementById(menuN2).style.display = "none";
    }
    document.getElementById("cat2_1").style.display = "none";
    document.getElementById("cat2_2").style.display = "none";
    document.getElementById("cat2_3").style.display = "none";
    document.getElementById("cat2_4").style.display = "none";
    document.getElementById("cat2_5").style.display = "none";
    document.getElementById("cat2_6").style.display = "none";
    document.getElementById("cat2_7").style.display = "none";
    document.getElementById(idmenu).style.display = "block";
    menuN2 = idmenu;
}

function OuvrirMenuN1(id1,id2){
    if(menuN1 != ""){
        document.getElementById(menuN1).style.display = "none";
    }
    menuN1 = 'cat1_'+id1+'_'+id2;
    //alert(menu);
    document.getElementById(menuN1).style.display = "block";
}