This post may be better off in the Wish List forum, because what you're asking for would have to be implemented in the player software itself. Hijack can't change playlists because there's no IR code for "next playlist" or "previous playlist." Hijack can't actually reach into the player application's space and figure out what the next playlist is or anything like that. There's no API.

Now if the Empeg developers were to implement such a thing... Or even just a fake IR code that navigated playlists... Then there's the issue of the playlists being hierarchical instead of flat, so you'd need a way to go "up" and "down" levels of playlists... Lots of stuff to be figured out. But unless there's some voodoo way of doing it, I don't think Hijack has the ability to deliver this functionality.

Mark will be by soon enough to correct me if I'm wrong.