I've written a library that does that (just play/pause/stop/mute/unmute for now) for a Chrome extension that I am working on to provide uniform audio controls t

I've written a library that does that (just play/pause/stop/mute/unmute for now) for a Chrome extension that I am working on to provide uniform audio controls to Google Chrome. (http://www.mutetab.com http://www.mutetab.com) I haven't decided yet, but I am leaning toward open sourcing it.