Async Load After Page Load

afterpage.html

<script type="text/javascript" charset="utf-8">
$(window).ready(function(){
      var s = document.createElement('script'); s.type="text/javascript"; s.async = true;
      s.src = 'http://s.webtrends.com/js/webtrends.min.js';
      var s2=document.getElementsByTagName("script")[0];s2.parentNode.insertBefore(s,s2);
});
window.webtrendsAsyncInit = function() {
      var dcs=new Webtrends.dcs().init({dcsid:"your_dcs_id",timezone:-8});
      // you can control when call to server happens by running this after pageload, or entire script injection
      dcs.track();
};
</script>