I assigned a chain of keyboard shortcuts for functions and panels, then press ok.
Then I test it, yes it works, but not for long. After closing fireworks, open it up again, only 3 customized keyboard shortcuts is still working (F1, F2, F3 for property panel, layer panel and info panel) The rest are gone. Now how crazy is this? I can't work with repeatedly clicking the panels and menu bar again and again.
The trick here is to save a copy of the default shortcuts (which are then loaded everytime you load Fireworks), and modify that.