$r->u_pools_anzeigen($kos_typ, $kos_bez);
break;
case "pool_act_deactivate":
$kos_typ = $_REQUEST['kos_typ'];
$kos_id = $_REQUEST['kos_id'];
$pool_id = $_REQUEST['pool_id'];
$_SESSION['pool_id'] = $pool_id;
$r = new rechnungen();
$r->pool_act_deactivate($pool_id, $kos_typ, $kos_id);
break;
case "u_pool_erstellen":
$kos_typ = $_REQUEST['kos_typ'];
$kos_bez = $_REQUEST['kos_bez'];
$pool_bez = $_REQUEST['pool_bez'];
$r = new rechnungen();
$r->u_pool_erstellen($pool_bez, $kos_typ, $kos_bez);
break;
case "change_text":
$art_nr = $_REQUEST['art_nr'];
$lieferant_id = $_REQUEST['lieferant_id'];
$text_neu = $_REQUEST['text_neu'];
// echo "$art_nr $lieferant_id $text_neu";
$r = new rechnungen();
if (!empty($art_nr) && !empty($lieferant_id) && !empty($text_neu)) {
$r->artikel_text_update($art_nr, $lieferant_id, $text_neu);
}
break;
case "back2pool":
$pp_dat = $_REQUEST['pp_dat'];
if (!empty($pp_dat)) {
$r = new rechnungen();
