How to implement placesaver? about monocle

I have found the solution.

[snsxn]

Can you write the solution you found? It will help other trying to implement a placesaver in monocle

This is the code:

<script type="text/javascript">
  // Initialize the reader element.
  Monocle.Events.listen(
    window,
    'load',
    function () {

      var readerOptions = {
        panels: Monocle.Panels.Magic
      };

 var placeSaver = new Monocle.Controls.PlaceSaver('placesaver');

      Monocle.Reader(
        'book',
        null,
        { panels: Monocle.Panels.Magic, place: placeSaver.savedPlace() },
        function (rdr) {
          window.reader = rdr;
          rdr.addControl(placeSaver, 'invisible');
        }
      );

      Monocle.Events.listen(
        window,
        'resize',
        function () { window.reader.resized() }
      );

    }

  );
 </script>