public function AddressRemoveMyAddressGroups($arg)
 {
     // $arg : IDType or this array
     $this->CheckAndSetHeader(__FUNCTION__);
     $reg_args["my_address_group_id"] = $this->getRegularArgs($arg, __FUNCTION__);
     $this->encodeString($reg_args);
     $results = parent::AddressRemoveMyAddressGroups($reg_args);
     $this->methodClose();
     return $this->decodeString($results);
     // probably NULL
 }