Do not allow this running on your website..

Hi malware fighters,

Whenever you scan with an iFrame scanner and detect this:
(Level: 1) Url checked: (script source)
htxp://www.babystar.biz/ac_runactivecontent.js (site furthermore infested, so that is why the hxtp link - pol)
Blank page / could not connect
No ad codes identified

This could be a way in which your site has been hacked.
Re: http://www.google.com/support/forum/p/Webmasters/thread?tid=5c2a912ed61c9696&hl=en
And consider the info found here:
http://www.globalfriendsonline.com/index.php?topic=4132.15;wap2

polonus