$ib = "SELECT fw. * , dc. * , sd. *. rv.*
FROM `tb_forward` fw
left JOIN `tb_document` dc ON fw.`doc_id` = dc.`doc_id`
left JOIN `tb_member` sd ON fw.`sender` = sd.`id` ";
left JOIN `tb_member` rv ON fw.`receiver` = rv.`id` ";
$ibQuery = mysql_query($ib) or die ("Error Query [".$ib."]");