old_contents: /*
  This file contains the functions for the menu overlay that operates the book.
  */
  
  
  /*
  Prepares the canvas to be drawn on by storing the canvas object, context, width,
  and height as well as sets canvasReady to true.
  */
  function init()
  {
      
  }
  
  function openMenu() {
      document.getElementById("overlay").style.width = "100%";
  }
  
  /* Close when someone clicks on the "x" symbol inside the overlay */
  function closeMenu() {
      document.getElementById("overlay").style.width = "0%";
  }
new_contents: /*
  This file contains the functions for the menu overlay that operates the book.
  */
  
  function openMenu() {
      document.getElementById("overlay").style.width = "100%";
  }
  
  /* Close when someone clicks on the "x" symbol inside the overlay */
  function closeMenu() {
      document.getElementById("overlay").style.width = "0%";
  }
  
subject: Update MenuOverlay.js