function BitsPlusBlank(screen)
% BitsPlusBlank(screen)
%
% Just zero the Bits++ clut to save the screen.
% Probably shouldn't be called when screen is open.
%
% 5/4/03  dhb  Wrote it.
% 9/20/03 dhb  Needs screen pointer.

window = Screen(screen,'OpenWindow',0,[],32);
Screen(window,'SetClut',(0:255)'*ones(1,3));
BitsPlusSetClut(window,zeros(256,3));
Screen(window,'Close');
