public function validate_message(Module_Guestbook $m, $arg)
{
$arg = $_POST['message'] = trim($arg);
$len = GWF_String::strlen($arg);
$max = $m->cfgMaxMessageLen();
if ($len < 1 || $len > $max) {
return $m->lang('err_gbm_message', 1, $max);
}
return false;
}
