I could be wrong, but I assume this needs JS because it needs to be able to track the position of the user scrolling, which is what it's doing right now using t

I could be wrong, but I assume this needs JS because it needs to be able to track the position of the user scrolling, which is what it's doing right now using this plugin: http://jonraasch.com/blog/scrolling-parallax-jquery-plugin http://jonraasch.com/blog/scrolling-parallax-jquery-plugin