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 popupcentree(page,largeur,hauteur,options) {
	var top=(screen.height-hauteur)/2;
	var left=(screen.width-largeur)/2;
	window.open(page,"","top="+top+",left="+left+",width="+largeur+",height="+hauteur+","+options); 
}