if ($lst1 != null) {
                    $ok = true;
                    $poiid = "";
                    $poi1 = null;
                    $gf = new GroupFactory();
                    for ($i = 0; $i < count($lst1); $i++) {
                        $poiid = $lst1[$i];
                        $poi1 = $pof->getPoiById($usr->getUid(), $poiid);
                        if ($poi1 != null) {
                            if (!$gf->remGroupItem($groupid, $usr->getUid(), $poi1->getPoiId(), "Poi")) {
                                $ok = false;
                            }
                        }
                    }
                    if ($ok) {
                        $grp = $gf->getGroup($usr->getUid(), $groupid);
                        if ($grp != null) {
                            echo application_getMessage($grp);
                        } else {
                            echo application_getMessage(msg_failed);
                        }
                    } else {
                        echo application_getMessage(msg_failed);
                    }
                }
            } else {
                echo application_getMessage(msg_failed);
            }
        }
    }
}