make sure we set the focused element to null after the viewer is totoally torn down, and after we've suppressed focus git-svn-id: svn://10.0.0.236/trunk@96029 18797224-902f-48f8-a5cc-f745e15eee43
make sure we set the focused element to null after the viewer is totoally torn down, and after we've suppressed focus git-svn-id: svn://10.0.0.236/trunk@96029 18797224-902f-48f8-a5cc-f745e15eee43