array_push($items, $poi1);
                     }
                 }
             }
             if (count($items) > 0) {
                 echo application_getMessage($items);
             } else {
                 echo application_getMessage(msg_failed);
             }
         }
     }
 }
 //msg_updatefile
 if ($action == msg_updatefile) {
     //($aGroupId, $aUsrId, $aFilename, $aDescription)
     if ($fac->updateGroupFile($groupid, $usr->getUid(), $filename, $description)) {
         echo application_getMessage(msg_ok);
     } else {
         echo application_getMessage(msg_failed);
     }
 }
 //msg_gettags
 if ($action == msg_gettags) {
     $tc = new TagContainer();
     $p1 = new ItemParser();
     $lst1 = $p1->getTags();
     if ($lst1 != null) {
         for ($i = 0; $i < count($lst1); $i++) {
             $tag1 = $lst1[$i];
             $tc->addTag($tag1);
         }