var ref = escape(document.referrer);
          var Qstring = '?cid=16080&ref='+ ref;
          var roiTrack = '<img src="https://reztrack.com/roi/' + Qstring;
          var roiGo =  roiTrack+ '" style="width:0;height:0;position:absolute;left:0;top:0">';
          document.write(roiGo);