}
break;
case "edisnp":
if (!empty($_REQUEST['belegnr'])) {
$r = new rechnungen();
$r->edisp($_REQUEST['belegnr']);
}
break;
case "reg_pool":
$_SESSION['pool_id'] = $_REQUEST['pool_id'];
break;
case "u_pool_liste":
$f = new formular();
$f->fieldset('Kostentraeger wählen', 'pool_tab2');
$r = new rechnungen();
$r->pool_liste_wahl();
$f->fieldset_ende();
break;
case "u_pool_edit":
$f = new formular();
$f->fieldset('POOL', 'pool_tab');
$r = new rechnungen();
if (!empty($_REQUEST['kos_typ']) && !empty($_REQUEST['kos_id'])) {
$r->u_pool_edit($_REQUEST['kos_typ'], $_REQUEST['kos_id'], $_REQUEST['aussteller_typ'], $_REQUEST['aussteller_id']);
} else {
echo "Rechnungsempfänger wählen";
}
$f->fieldset_ende();
break;
case "u_pool_erstellen":
$f = new formular();
