It's possible to make that work. It works on http://listen.grooveshark.com http://listen.grooveshark.com on OS X in most browsers, it's just a matter of embeddi

It's possible to make that work. It works on http://listen.grooveshark.com http://listen.grooveshark.com on OS X in most browsers, it's just a matter of embedding the swf in wmode=window and writing some JS to force the browser to send the scroll events through to the swf in the right format.