_form.html.haml

- form_for [@bracket, @bracket.guess_for(user)], :html => {:method => :delete, :class => 'destroy_guess'} do |f|
  = f.submit "Delete Guess"

ajax.js

$(function() {
  $(".destroy_guess").destroyGuesses()
})

$.fn.destroyGuesses = function() {
  $(this).submit( function() {
    $container = $(this).parent();
    
    $.ajax({ url: this.action + '.json',
             data: $(this).serialize(),
             type: 'post',
             success: function(data, textStatus, XMLHttpRequest){
               $("#flash").text(data.notice);
               $container.html(disabled_button)               
             }})
      

    return false;
  })

  return $(this);
}

markup.html

<form method="post" id="edit_guess_47" class="destroy_guess" action="/insider/brackets/2/guesses/47">
  <div style="margin: 0pt; padding: 0pt; display: inline;">
    <input type="hidden" value="delete" name="_method" disabled="">
    <input type="hidden" value="Rr68PIJ8eZ7/U7gWy6XPM1fK5m9mWlCLu9yB39C38Z8=" name="authenticity_token" disabled="">
  </div>
  <input type="submit" value="Delete Guess" name="commit" id="guess_submit">
</form>