Async GetSatisfaction Feedback Widget

(function() {
  var gs = document.createElement('script'), gsc = document.createElement('div'), interval;
  gs.type = 'text/javascript'; gs.async = true; gsc.id = 'getsatisfaction';
  gs.src = document.location.protocol + '//s3.amazonaws.com/getsatisfaction.com/javascripts/feedback-v2.js';
  (document.getElementsByTagName('head')[0] || document.getElementsByTagName('body')[0]).appendChild(gs);
  (document.getElementsByTagName('body')[0]).appendChild(gsc);
  
  interval = setInterval(function() {
    if (window.GSFN !== undefined) {
      new GSFN.feedback_widget({
        display: "overlay",
        company: "xxx",
        placement: "bottom",
        color: "#222",
        style: "idea",
        container: "getsatisfaction"
      });
      clearInterval(interval);
    }
  }, 10);
})();