keypress or Key object keycode for anykey?

Does anyone know if there is a keycode that can be used to represent ANY key for use in an on(keypress "???") or Key.isdown(???) action?

i.e. action occurs when ANY key is pressed, as opposed to a specific key.

If none exists then do you know of a way around this?

Hi,

How about this,

create a movie clip, now give it the clip event

onClipEvent(keyDown) {
// perform action
}

That was too easy wasn't it? Thanks heaps,
Cleay.