title: Twitter bootstrap modal-backdrop doesn't disappear
body: <p>I am using the Twitter bootstrap Modal dialog. When I click on the submit button of the bootstrap modal dialog, it sends an AJAX request. My problem is that the modal-backdrop doesn't disappear. The Modal dialog does disappear correctly, but instead "modal-backdrop in" that creates the opacity on the screen remain</p>
  
  <p>What can I do?</p>