[jQuery] Form Plugin Double Submit

Hello, I have a problem with the jQuery Form Plugin. I add the:
$myForm.ajaxForm(options);
but when submitting this calls twice the beforeSubmit and success. I
only call the ajaxForm once when added the element.
The url is: http://grupotakami.webfactional.com/es_bueno/9/ if you
wanna give it a try.

Thanks,

Davsket