anchor.diff:                  <% scenes.each do |scene| %>
                       <button class="nav-scene" id="current-scene"><%= "SCENE " + currScene.to_s %></button>
                       <script>
  -                        document.getElementById('current-scene').id = '<%= escape_javascript "s" + currIndex.to_s %>';
  +                        document.getElementById('current-scene').id = '<%= escape_javascript "ns" + currIndex.to_s %>';
                       </script>
                       
                       <% currScene = currScene + 1 %>
  
positive.code:         function showScene(scene) {
              var allScenes = document.getElementsByClassName("scenehead");
              for (var i = 0; i < allScenes.length; i++) {
                  if (allScenes[i].id == scene.target.id) {
                      allScenes[i].setAttribute("style", "background-color: yellow");
                  }
              }
          }
  
negative.code:         function showAct(act) {
              var allActs = document.getElementsByClassName("acthead");
              for (var i = 0; i < allActs.length; i++) {
                  if (("n" + allActs[i].id) == act.target.id) {
                      allActs[i].setAttribute("style", "background-color: pink");
                      window.location.hash = allActs[i].id;
                  }
                  else {
                      allActs[i].setAttribute("style", "background-color: none");
                  }
              }
          }
  