header("location: sale_ui.php?global_sale_discount={$discount}"); } } include "../classes/db_functions.php"; include "../classes/security_functions.php"; include "../classes/display.php"; $dbf = new db_functions($cfg_server, $cfg_username, $cfg_password, $cfg_database, $cfg_tableprefix, $cfg_theme, $lang); $sec = new security_functions($dbf, 'Sales Clerk', $lang); $display = new display($dbf->conn, $cfg_theme, $cfg_currency_symbol, $lang); if (isset($_POST['customer'])) { if ($cfg_numberForBarcode == "Row ID") { if ($dbf->isValidCustomer($_POST['customer'])) { $_SESSION['current_sale_customer_id'] = $_POST['customer']; } } else { $id = $dbf->fieldToid($cfg_tableprefix . 'customers', 'account_number', $_POST['customer']); if ($dbf->isValidCustomer($id)) { $_SESSION['current_sale_customer_id'] = $id; } else { echo "{$lang->customerWithID}/{$lang->accountNumber} " . $_POST['customer'] . ', ' . "{$lang->isNotValid}"; } } } ?> <html> <head> <title>PHP Point Of Sale</title> <script type="text/javascript" language="javascript"> <!-- function customerFocus()