function NewWindow(url,hauteur,largeur) {
	var winl = (screen.width - largeur) / 2;
	var wint = (screen.height - hauteur) / 2;
	date_t = new Date;
	time = date_t.getTime();
	winprops = 'height='+hauteur+',width='+largeur+',top='+wint+',left='+winl+',toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=yes,resizable=yes,copyhistory=no'
	win = window.open(url, time, winprops)
	}