// Checkout Settings
    $config_options[] = 'simpleCart({checkout: {';
    switch ($checkout_method) {
        case 'PayPal':
            $email = $com_params->get('paypal_email', false);

            $config_options[] = '   type: "' . $checkout_method . '"';
            $config_options[] = ',  success: "'.$returnURI.'"';
            $config_options[] = ',  cancel: "'.$returnURI.'"';
            if ($email) $config_options[] = ',   email: "' . $email . '"';
            if ($checkout_mode == 'sandbox')  $config_options[] = ',    sandbox: true';
            break;