<div class="modal fade" id="error_modal" role="dialog" aria-hidden="true">
  <div class="modal-dialog" role="document">
    <div class="modal-content">
      <div class="modal-body alert">
        <h4 class="alert-heading">Error</h4> 
        <p id="error_body"></p>
      </div>
    </div>
  </div>
</div>
