function fenCentre(win,w,h) {
	var le = (screen.availWidth - w) /2;
	var he = (screen.availHeight -h) /2;
	window.open(win,null,"height="+h+",width="+w+",status=no,toolbar=no,scrollbars=auto,menubar=no,location=no,left="+le+", top="+he,false);
}

function fenetre(win,w,h) {
	var le = 50;
	var he = 50;
	window.open(win,null,"height="+h+",width="+w+",status=no,toolbar=no,scrollbars=auto,menubar=no,location=no,left="+le+", top="+he,false);
}