ga = {};
ga.track = function(tracker) {
  _gaq.push(['_trackPageview', tracker])
  //return ga;
};
ga.trackRedirect = function (action, url) {
  this.track(action);
  setTimeout(function () {
    location.href = url;
  }, 1000);
};

ga.event = function(category, action, label, value) {
  _gaq.push(['_trackEvent', category, action, label, value])
  return ga;
};