Banner that stays at top of browser window

Hi I was wondering how to make a flash banner or logo that stays at the top of the browser window as the person scrolls down. I was wondering if there is a way to accomplish this in actionscript. The effect can be seen here:

http://oos.moxiecode.com/

Thanks for your help.

[v]dimensions too large[/v]

he just made a scroller that scrolls the text and not the banner

Thanks for your help Gupps I am hitting myself for not thinking of that. Sorry about the footer I’ll fix that.