$sql = "INSERT INTO ".TB_PREF."purch_data (supplier_id, stock_id, price, suppliers_uom,
conversion_factor, supplier_description) VALUES (";
$sql .= db_escape($supplier_id).", ".db_escape($stock_id). ", "
.$price . ", ".db_escape($suppliers_uom ). ", "
.$conversion_factor . ", "
$sql = "INSERT INTO ".TB_PREF."purch_data (supplier_id, stock_id, price, suppliers_uom,
conversion_factor, supplier_description) VALUES (";
$sql .= db_escape($supplier_id).", ".db_escape($stock_id). ", "
.$price . ", ".db_escape($suppliers_uom ). ", "
.$conversion_factor . ", "