1 
  2 var overlay = document.createElement("div");
  3 overlay.setAttribute("id", "com.escenic.studio.preview.overlay");
  4 overlay.setAttribute("style", "display: block; z-index= 100; background: rgba(128, 128, 128, 0.10); position: absolute; width: 100%; height: 1px; top: 1024px; left: 0px; box-shadow: 0 9000px 0 9000px rgba(0, 0, 0, 0.25)");
  5 document.getElementsByTagName("body")[0].appendChild(overlay);
  6 
  7