Window focus - can it be changed to mimic FVWM-Crystal?

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http://crunchbanglinux.org – FVWM-Crystal refugee here. I've been using #! for over a month and love it. However, I desperately miss one thing from FVWM-Crystal, and that's the window focus policy - where clicking a window does not automatically put it to the front. You need to click on the window title or use the left Alt button to make bring it to the top. Extremely useful behavior once you get used to it.So how do I go about changing the window focus policy of Openbox to mimic that of FVWM-Crystal? Is it possible? Thanks in advance. (HowTos)