function ouvre(adresse,large,haut,nom,size) {
	var w;
	var outil="no";
	if (!nom) nom = adresse.replace(/\W/g,'');
	if (!size) size='no';
	var features =
		"width="+large
		+",height="+haut
		+",menubar="+outil
		+",location="+outil
		+",status="+outil
		+",toolbar="+outil
		+",resizable="+size
		+",scrollbars="+size
	if (!large && !haut)
		w = window.open(adresse);
	else
		w = window.open(adresse,nom,features);
	if (w) return false;
	return true;
}