if ($fields['old_group_name'] != $fields['new_group_name']) {
$name_part = 'name = '.$mdb2->quote($fields['new_group_name']);
$modified_part = ', modified = now(), modified_ip = '.$mdb2->quote($_SERVER['REMOTE_ADDR']).', modified_by = '.$mdb2->quote($user->id);
if ($fields['old_group_name'] != $fields['new_group_name']) {
$name_part = 'name = '.$mdb2->quote($fields['new_group_name']);
$modified_part = ', modified = now(), modified_ip = '.$mdb2->quote($_SERVER['REMOTE_ADDR']).', modified_by = '.$mdb2->quote($user->id);