I had this idea, too, it seems that I needn't it to implement.
<a href='http://go.hitsquad.com/www/delivery/ck.php?n=a354d9f9&cb=INSERT_RANDOM_NUMBER_HERE' target='_blank'><img src='http://go.hitsquad.com/www/delivery/avw.php?zoneid=46&cb=INSERT_RANDOM_NUMBER_HERE&n=a354d9f9' border='0' alt='' /></a>
great idea
I had this idea, too, it seems that I needn't it to implement.