function(hostedFieldsErr, hostedFieldsInstance) {
            if (hostedFieldsErr) {
                console.error(hostedFieldsErr);
                return;
            }

            submit.removeAttr('disabled');

            // Fill in the credit card fields
            $('#ccnum').val('4111111111111111'); // Example card number
            $('#cvvnum').val('123'); // Example CVV
            $('#expmonth').val('01 - January'); // Example expiration month
            $('#expyear').val('2023'); // Example expiration year
            $('#postalcode').val('12345'); // Example postal code

            form.on('submit', function(event) {
                if (errorOccurred) {
                    event.preventDefault(); // Prevent form submission only if an error occurred
                    return;
                }

                event.preventDefault(); // Always prevent default form submission

                hostedFieldsInstance.tokenize(function(tokenizeErr, payload) {
                    if (tokenizeErr) {
                        console.error(tokenizeErr);
                        alert('There was a problem with your CC info');
                        errorOccurred = true; // Set flag to true if an error occurred
                        return;
                    }
                    console.log('Got a nonce: ' + payload.nonce);

                    $('#field_1n6vl').val(payload.nonce);

                    // If there are no tokenize errors, submit the form
                    if (!errorOccurred) {
                        form.submit(); // Submit the form only if there are no errors
                    }
                });