centered flash movie in html

[sparky_157]

I would like to have this effect used on this page http://www.vestalwatch.com/main.php how the swf and the background stay centered.
Any sugestions????? Please

[Ipo]

Would be nice to know how thats done? Anyone know?

[s3700]

i think, where they embed it, they use:
<embed src="main.swf" FlashVars="" width="100%" height="100%" quality="medium" pluginspage="http://www.macromedia.com/go/getflashplayer" type="application/x-shockwave-flash" scale="noscale" bgcolor="#000000"></embed>