anchor.diff:  
           // close panel function
           var close_panel = function() {
  +
             var $panel = $('.special-panel');
             if ($panel.length) {
               $('.special-panel').hide();
  
positive.code:             }, 0);
            }
          }
  
          // Open SU panel in WebGL if SU link is clicked
          var click_handler = function(event) {
  
negative.code:                 '<div class="panel-info">' +
                    '<h2>Gabii Area B 3D Model</h2>' +
                    '<p><strong>DOI: https://doi.org/10.3998/mpub.9231782.model</strong></p>' +
                    '<p>This interactive section of the publication includes 3D models, descriptions, and links to the online database, and complements the narrative text. Interaction with this content is essential to engaging with our interpretation of the Tincu house. Readers are encouraged both to follow the narrative laid out in the text through the model and data, and to explore the 3D content and database freely.' +
                    '</p>' +
                  '</div>' +
                '</div>';
  