((trans.type = ".ST_SALESINVOICE.") AND due_date < '$date') AS OverDue
FROM ".TB_PREF."debtor_trans trans
LEFT JOIN ".TB_PREF."voided as v
ON trans.trans_no=v.id AND trans.type=v.type
WHERE tran_date <= '$date' AND debtor_no = ".db_escape($debtorno)."
AND trans.type <> ".ST_CUSTDELIVERY." AND ISNULL(v.date_)
((trans.type = ".ST_SALESINVOICE.") AND due_date < '$date') AS OverDue
FROM ".TB_PREF."debtor_trans trans
LEFT JOIN ".TB_PREF."voided as v
ON trans.trans_no=v.id AND trans.type=v.type
WHERE tran_date <= '$date' AND debtor_no = ".db_escape($debtorno)."
AND trans.type <> ".ST_CUSTDELIVERY." AND ISNULL(v.date_)