When you put the mouse right on the edge of the display any window is not selected

[FreeFri]

Between the edge of display and the line where dockbarx start, there is 1 pixel. If you put your pointer mouse in the edge of your display, you can not select any window. You must move your mouse 1 pixel away from the edge of the screen to select a window.
I think that if you have your dockbarx un a bottom panel and you bring the mouse to the bottom of the screen, you should select the window just above

I'm using DockbarX Applet 0.43 in ubuntu 10.10