function BannerClientChange($cid, $name, $contact, $email, $extrainfo, $login, $passwd) {
global $prefix, $db;
$cid = intval($cid);
$db->sql_query("update ".$prefix."_bannerclient set name='$name', contact='$contact', email='$email', login='$login', passwd='$passwd' where cid='$cid'");