window.onload=montre;
timer=setInterval('closeall()', 3000);
clearInterval(timer);
function montre(id) {
clearInterval(timer);
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';
timer=setInterval('closeall()', 3000);
}
}

function closeall(){
	for (var i = 1; i<=4; i++) {

  		document.getElementById('smenu'+i).style.display='none';
 }
clearInterval(timer);
}