$oGroups->addMember2Group($memberID, $groupID, 'Approval');
                 $_page['header'] = _t("_Group join");
                 $_page['header_text'] = _t("_Group join");
                 $_page_cont[$_ni]['page_main_code'] = _t("_Request sent to the group creator. You will become active group member when he approve you.") . $getBackCode;
             }
         }
     }
     break;
 case 'resign':
     if ($oGroups->isGroupMember($memberID, $groupID, false)) {
         if ($arrGroup['creatorID'] == $memberID) {
             $_page['header'] = _t("_Group resign error");
             $_page['header_text'] = _t("_Group resign error");
             $_page_cont[$_ni]['page_main_code'] = MsgBox(_t("_You cannot resign the group because you're creator"));
         } else {
             $oGroups->resignGroupMember($memberID, $groupID);
             $_page['header'] = _t("_Group resign");
             $_page['header_text'] = _t("_Group resign");
             $_page_cont[$_ni]['page_main_code'] = MsgBox(_t("_You succesfully resigned from group") . $getBackCode);
         }
     } else {
         $_page['header'] = _t("_Group resign error");
         $_page['header_text'] = _t("_Group resign error");
         $_page_cont[$_ni]['page_main_code'] = MsgBox(_t("_You cannot resign the group because you're not group member"));
     }
     break;
 case 'def':
     //set group thumbnail image
     if ($arrGroup['creatorID'] == $memberID) {
         $img = (int) $_REQUEST['img'];
         if ($img) {