add redirect to front page

booking.variety_form.inc

@@ -234,4 +234,7 @@ function booking_variety_regn_form_submit($form, &$form_state) {
       'booking_person_nid' => $values['booking_nid'],
     ))
     ->execute();
+
+  drupal_set_message("Thanks for submitting your variety session registration.", $type = 'status');
+  $form_state['redirect'] = array('');    
 }