window.onload=montre;

function montre(id) {
var d = document.getElementById(id);
for (var i = 1; i<=10; i++) {
if (document.getElementById('smenu'+i)) {document.getElementById('smenu'+i).style.display='none';}
}
if (d) {d.style.display='block';}
}

function LanceTimerDerol()
  {
  TimeOut=setTimeout("montre();",3000);
  }