(function() {
   var purl = window.location.href;
   var url = '//ads.pubmatic.com/AdServer/js/pwt/158101/4678';
   var profileVersionId = '';
   if(purl.indexOf('pwtv=')>0){
         var regexp = /pwtv=(.*?)(&|$)/g;
         var matches = regexp.exec(purl);
         if(matches.length >= 2 && matches[1].length > 0){
               profileVersionId = '/'+matches[1];
         }
   }
   var wtads = document.createElement('script');
   wtads.async = true;
   wtads.type = 'text/javascript';
   wtads.src = url+profileVersionId+'/pwt.js';
   var node = document.getElementsByTagName('script')[0];
   node.parentNode.insertBefore(wtads, node);
})();