if(typeof(Tutoria) == "undefined")
  Tutoria = {};

Tutoria.Evaluations = function() {
  var minutes = 60 * 1000;
  var period = 1 * minutes;

  return {
    init: function(uid, msg, skip) {
      setTimeout(Tutoria.Evaluations.update, period);
    },
    update: function() {
      var req = new Ajax.Request("/evaluations", {
	method: 'get',
	onSuccess: function(response) {
	  setTimeout(Tutoria.Evaluations.update, period);
	}
      });
    }
  };
}();