SELECT
m.username as gy_user,
m.password as gy_pw,
m.styleid, m.newpm,
u.*, u.specifiedusers LIKE '%\t$username\t%' AS specifieduser
FROM $table_members m LEFT JOIN $table_usergroups u
ON u.specifiedusers LIKE '%\t$username\t%'
OR (u.status=m.status
AND ((u.creditshigher='0' AND u.creditslower='0' AND u.specifiedusers='') OR (m.credit>=u.creditshigher AND m.credit<u.creditslower)))
WHERE username='$username' AND password='$password' ORDER BY specifieduser DESC