orbit-basic/app/views/shared/preview/_modal_preview.html.erb

<div class="modal hide fade in banner-preview" id="<%= @preview_obj.id %>">
  <div class="modal-header">
    <a class="close" data-dismiss="modal">×</a>
    <h3><%= t(:preview) %></h3>
  </div>
  <div class="modal-body">
    <iframe src=<%= @preview_obj.get_preview_link %>></iframe>
  </div>
  <div class="modal-footer">
    
    <a href="#" class="btn" data-dismiss="modal"><%= t(:close) %></a>
  </div>
  <div>
    <script type="text/javascript" src="/assets/kernel.js"></script>
    <script type="text/javascript">
      $(function() {
        $("iframe").load(function() {
          // Get the body element
          var frameBody = $("iframe").contents().find('body');
          // Get all links inside the BODY tag
          $("iframe").contents().find('#orbit-bar').hide();
          
          frameBody.find('a').click(function(e){
            //Disable all default actions
            e.preventDefault();
          });
          $('input', frameBody).attr("disabled", true);
        });
        $(".modal").on("hidden", function () {
          $("#show_preview").remove();
        });
      });
    </script>
  </div>
</div>