function visitlogger_VoidFunc()
{
  return;
}

function visitlogger()
{
  var sURL = '/visitlogstub.php?ref=' + escape(document.referrer) + '&preventcache=' + Math.round(Math.random() * 10000000);
  var img = new Image(1, 1);
  img.src = sURL;
  img.onload = function() { visitlogger_VoidFunc(); }
}