$sql = "INSERT INTO ".TB_PREF."purch_orders (supplier_id, Comments, ord_date, reference, requisition_no, into_stock_location, delivery_address) VALUES(";
$sql .= db_escape($po_obj->supplier_id) . "," .
db_escape($po_obj->Comments) . ",'" .
$sql = "INSERT INTO ".TB_PREF."purch_orders (supplier_id, Comments, ord_date, reference, requisition_no, into_stock_location, delivery_address) VALUES(";
$sql .= db_escape($po_obj->supplier_id) . "," .
db_escape($po_obj->Comments) . ",'" .