window.onload=montre;
function montre(id,id2,id3) {
var d = document.getElementById(id)
var d1=document.getElementById(id2)
var d2=document.getElementById(id3)
	
		document.getElementById('smenu121').style.display='none';
		document.getElementById('smenu122').style.display='none';
		
		document.getElementById('smenu11').style.display='none';
		document.getElementById('smenu12').style.display='none';
		document.getElementById('smenu13').style.display='none';
		
		document.getElementById('smenu1').style.display='none';		
		
		
if (d) {d.style.display='block';}
if (d1) {d1.style.display='block';}
if (d2) {d2.style.display='block';}
}