I was looking at GridManaBars when Avast popped up a virus, 3 times.  Twice on the addon's page, and once on the download page.  I just viewed the page again, but nothing there.

Here's Avast's log.

12/2/2008 7:11:31 PM    SYSTEM    1132    Sign of "JS:Packed-T [Trj]" has been found in "http://76.74.154.110/zv00108/pdf.php?id=9702&vis=1" file. 
12/2/2008 7:11:31 PM    SYSTEM    1132    Sign of "JS:Packed-T [Trj]" has been found in "http://76.74.154.110/zv00108/pdf.php?id=9702" file. 
12/2/2008 7:11:50 PM    SYSTEM    1132    Sign of "JS:Packed-T [Trj]" has been found in "http://76.74.154.110/zv00108/pdf.php?id=9702&vis=1" file.