[CS3] Width 100% in html page with embedded swf

Hi all,

I am creating a Flash project for a fundraising event and tend to test it every now and again. It is an accordion menu. It is going on a html page. I want the height to be relative to the width and the width to equal 100% of the browser window. When I set the html publish settings, I set it to 100% width & height. Then I embedded a swf using the loadmovie() method. I published it again. Everything seemed to be working OK but when my menu loads with the embedded swf, it goes back to normal size (actual size of project - 450x230). Plz help! Very Urgent!