title: Learning rails and AJAX. How do I load a div via ajax and then toggle hiding/showing it?
body: <p>I'm doing my first Ruby on Rails project.  I am working on a project where the user can add a new message.  Then they can add updates to this message like a thread.  I've got it all written and now I'm going back and applying some AJAX.  I want to show just the main message when the page first loads.  Then when I click a link I want an AJAX event to fire that populates a div with all the updates to the message.  Then I want this same link to toggle hiding and showing the div.</p>
  
  <p>I've made a submit button to fire the ajax and get back the updates using form_remote_tag.  I've also created a separate link to toggle the hiding using $(div_id).toggle();.  But now I'm stuck on how to combine these two things into one all purpose link.  </p>
  
  <p>Thanks.</p>