- $_SESSION['PO']->add_to_order ($_POST['line_no'], $_POST['stock_id'], $_POST['qty'],
- $myrow["description"], $_POST['price'], $myrow["units"],
+ $_SESSION['PO']->add_to_order ($_POST['line_no'], $_POST['stock_id'], input_num('qty'),
+ $myrow["description"], input_num('price'), $myrow["units"],