window.track = function(event, attributes, fn){
  console.log("Track: " + event + " " + JSON.stringify(attributes))

  if (is.fn(attributes)) fn = attributes, attributes = null;
  if (is.undefined(attributes)) { attributes = {} }
  if ($.cookie('invisible') == "true") {
    if (!is.undefined(fn)) { fn() }
    return
  }

  var attrs = _.extend({
    iteration: $('body').data('iteration')
  }, attributes)

  if (typeof(analytics) != 'undefined') {
    analytics.track(event, attrs, fn);
  }

  if (typeof(amplitude) != 'undefined') {
    amplitude.getInstance().logEvent(event, attrs, fn);
  }
}