code: function attachSisyphus(objSel)
  {
  	$(objSel).sisyphus({
  		timeout: 0,
  		autoRelease: false,
  		locationBased: true,
  		onBeforeRestore: function() {return false;},
  		onBeforeSave: function() {return false;}
  	});
  }
docs: /*
  Save and Restore on demmand.
  Usage:
  1 - Include this file and the base sisyphus script file.
  <script type="text/javascript" src="/js/sisyphus/sisyphus.js"></script>
  <script type="text/javascript" src="/js/ondemmand_sisyphus.js"></script>
  
  2 - Use the following code for starting up sisyphus:
  <script type="text/javascript">
  $(document).ready(function(){
  attachSisyphus("#formu")
  });
  </script>
  
  3 - Invoke save_sisyphus() after validation but before form submission.
  save_sisyphus('#formu');
  
  4 - Include the following button to restore on demmand:
  <input class="encBoton" style="text-align: right;" value="Restaurar Respuestas Recientemente Guardadas" onclick="restore_last_saved_values('#formu');" type="button">