Selector based MultiTrack

webtrends.html

<script type="text/javascript">
  // this function is called by webtrends.js after it has loaded
  window.webtrendsAsyncInit = function() {
      var dcs=new Webtrends.dcs().init({dcsid:"your_dcs_id",timezone:-8});

      // look for any link with a anchor in it
      dcs.addSelector('a[href*="#"]',
         {
             transform:Webtrends.anchorTransform,  // There are predefined transforms, or create your own
             argsa:["DCS.dcsuri","/multitrackevents/offsites"]  // any args you want to track
         }
      );

      // look for any link going to /products/ section and get which product
      dcs.addSelector('a[href*="/products/"]',
         {
            // any args you want to track
            argsa:["DCS.dcsuri","/multitrackevents/productsclicks"],
            
            // custom transformation function
            transform:function(dcs,o){
               // one of the attributes of o is 'element' the html dom element 
               // that triggered the multitrack
               if (o.element && o.element.href.indexOf("product_id=") >= 0){
                     var qps = Webtrends.getQryParams(o.element.href);
                     // extract query params from link url:  element.href
                     // and if they contain product_id, then ad the product_id to the multitrack request
                     dcs.WT.cg = qps['product_id'];
               } else {
                 o.prevent = true;  // setting o.prevent = true cancels the multi-track
               }
            }
         }
      );

      dcs.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>