iens6=document.all||document.getElementById
ns4=document.layers

function menuOn(Id) {
if (iens6)
document.getElementById(Id).style.visibility='visible';
else 
document[Id].visibility = "show";
}

function menuOn1(Id1,Id2) {
if (iens6) {
document.getElementById(Id1).style.visibility='visible';
document.getElementById(Id2).style.visibility='visible';
} else {
document[Id1].visibility = "show";
document[Id2].visibility = "show";
}
}

function menuOff(Id) {
if (iens6)
document.getElementById(Id).style.visibility='hidden';
else 
document[Id].visibility = "hide";
}

function menuOff1(Id1,Id2) {
if (iens6) {
document.getElementById(Id1).style.visibility='hidden';
document.getElementById(Id2).style.visibility='hidden';
} else {
document[Id1].visibility = "hide";
document[Id2].visibility = "hide";
}
}