that's a ja.va scr.ipt incl.ude on some of their sites
http://www3.smutserver.com/anal/badar/helpf.php (check source)
it opens an ifr.ame
http://www3.smutserver.com/anal/badar/helpf.php (don't click unless you have a firewall) that tries to install a trojan
a sample page (!!! installs trojan)
http://www22.smutserver.com/cumshots/lake/
view the source and you'll see the scri.pt gets hahahahahahahad in the smutserver top banner code