function Popup(page, largeur, hauteur) {
    var top = (screen.height - hauteur) / 2;
    var left = (screen.width - largeur) / 2;
    window.open(page, "", "top=" + top + ",left=" + left + ",width=" + largeur + ",height=" + hauteur + ", menubar=yes, status=yes, scrollbars=yes, menubar=yes, resizable=yes");
}