Woking exactly the same is what I was thinking.
When I tested my movie I just deployed the swf and then deployed it in the HTML webpage. I think it has something to do with a AC_RunActiveContent.js or lack of file.
My banner has class created dynamic falling snow (its a tutorial from Kirupa.com ) which crunches up in the top left corner of the banner stage when the banner runs on my web page.
In Opera and Safary the banner works well.
Ghost bear, Mecha Veteran of the Hia Shi Dao, Neroimus, Davion and PAX Economics Wars. "Man, I have seen a lot of oil spilled!"