function send_track(tracking_id)
{
  var image_url  = "http://tracker.prashanthellina.com/tracker.gif";
  var referrer = document.referrer;
  var current_url = window.location.href;
  var data = referrer + "<##>" + current_url + "<##>" + tracking_id;

  data = encodeURIComponent(data);
  image_url = image_url + "?" + "data=" + data;

  document.write("<img src=\"" + image_url + "\"/>");
}