/**
  * 
  * updateGroupUsers
  *
  * @param String $ErrorString
  * @param String $StatusString
  */
 public function updateGroupUsers($ErrorString = "", $StatusString = "")
 {
     if (Controler_Main::getInstance()->getUserLevel() < BACKEND_USERLEVEL) {
         $ControlerStart = new Controler_Start();
         $ControlerStart->start();
         return false;
     }
     $Request = new Request();
     $ErrorString = "";
     $StatusString = "";
     $UserGroupFinder = new UserGroupFinder();
     $Controler_Main = Controler_Main::getInstance();
     if (strlen($Request->getAsString("tb_UserGroupName")) < 3) {
         $ErrorString .= ":T_USER_GROUP_ERROR1:";
     }
     if (strlen($Request->getAsString("tb_UserGroupName"))) {
         $UserGroup = $UserGroupFinder->findByName($Request->getAsString("tb_UserGroupName"));
         if ($Group->getId() != 0) {
             $ErrorString .= ":T_USER_GROUP_ERROR2:";
         }
     }
     if (strlen($ErrorString) != 0) {
         $this->showEditGroup($ErrorString, $StatusString);
         return false;
     }
     $UserGroup = new UserGroup();
     $UserGroupManager = new UserGroupManager();
     $UserGroup = $Request->getAsString("tb_UserGroupName");
     $UserGroupID = $Request->getAsString("UserGroupID");
     $this->showEditUserGroup("", ":T_USER_GROUP_UPDATED_STATUS:");
 }