Would modify the action of Contact Form 7 once sent the mail.

I follow [this post](https://stackoverflow.com/questions/14177844/how-to-change-form-action-url-for-contact-form-7) and woks fine. But my fom is in a Bootstrap Modal, and I wish they would keep open on submit.

My code is. 
In function PHP

```
add_filter('wpcf7_form_action_url', 'wpcf7_custom_form_action_url'); function wpcf7_custom_form_action_url() {  return 'http://saviacomunicacion.com.ar/test2014#sala-de-prensa'; }

```

And in the Aditional Settings field

```
add_filter('wpcf7_form_action_url', 'wpcf7_custom_form_action_url');

```

This redirect the URL, but it´s not sending the mail.
I wish i could send the mail and keep the modal open to show the response: Your mail was send correctly.

Thanks