[support] How to use ajax in form_submit_handler

[Doug]

On Tue, 11 May 2010, Earnie Boyd wrote:
> Doug wrote:
> > One of the issues I encountered, in Drupal 6 is that every Forms API
> > button, thinks its a "submit" button and wants to callhome for a
> > page refresh, rather than an asynchronous background page update.
>
> But you can have more than one button on the page each with its
> different submit handlers specified with '#submit'.  Same for '#validate'.
>

The issue I had was this one: http://drupal.org/node/50147
Basically every button is a "submit" button which causes a page refresh -
the antithesis of AJAX.