Key command to switch $DISPLAY

I have a dual X setup (I prefer this over Xinerama).

Now I have configured my keys file to allow me manage and navigate 
through windows with the keyboard only. But I can't switch between Xs () 
:0.0, :0.1), I have to move the mouse to the other screen focus anything 
there and I can navigate through those windows.

I tried executing wmctrl, xwit, xprop commands to focus anything on the 
other monitor with no luck. The SetHead command works for Xinerama only.

Is there any other Key command that I'm missing?

Thanks!

-- 
Jj
http://isgeek.net/

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