data_sorter.js

    var instances = session.getInstances();
    instances.sort(function(a, b)
    {
      var date1 = parseInt(a.date.replace(/-/g, ""));
      var date2 = parseInt(b.date.replace(/-/g, ""));

      if (date1 < date2)
      {
        return -1;
      }
      else if (date1 > date2)
      {
        return 1;
      }
      else if (date1 == date2)
      {
        var time1 = AttendeaseScheduler.Helper.convertTimeToMinutes(a.time);
        var time2 = AttendeaseScheduler.Helper.convertTimeToMinutes(b.time);

        if (time1 < time2)
        {
          return -1;
        }
        else if (time1 > time2)
        {
          return 1;
        }
        else
        {
          return 0;
        }
      }
    });