unction updatePageTitle(message) {
            top.document.title = message;
        }
        
          
                    
         /**
          * Finds an HTML element by its ID and makes it floatable over the normal content.
          *
          * @param x_displacement The difference in pixels to the right side of the window from 
          *           the left side of the element.
          * @param y_displacement The difference in pixels to the right side of the window from 
          *          