Webtrends.js Async Script init block

webtrends.html

<script type="text/javascript">
  // this function is called by webtrends.js after it has loaded, the track, init method are chained
  window.webtrendsAsyncInit = function() {
      var dcs=new Webtrends.dcs().init({dcsid:"your_dcs_id",timezone:-8}).track();
  };
  (function() {
      var s = document.createElement('script'); s.type="text/javascript"; s.async = true;
      s.src = 'http://s.webtrends.com/js/webtrends.js';
      var s2=document.getElementsByTagName("script")[0];s2.parentNode.insertBefore(s,s2);
  }());
</script>