Scrolling trouble

I have a java scroller one page site, in FF it scrolls fine to each sections when you click a link. But not in IE. Any ideas?

http://www.silentskymedia.com

There's are some errors in your markup (http://validator.w3.org/check?verbose=1&uri=http%3A%2F%2Fwww.silentskymedia.com%2F), fix them first.