wolffd@0: function pb = mirwaitbar(s)
wolffd@0: % mirwaitbar(0) toggles off the display by MIRtoolbox of waitbar windows.
wolffd@0: % mirverbose(1) toggles back on the display of these waitbar windows.
wolffd@0: 
wolffd@0: persistent mir_wait_bar
wolffd@0: 
wolffd@0: if nargin
wolffd@0:     mir_wait_bar = s;
wolffd@0: else
wolffd@0:     if isempty(mir_wait_bar)
wolffd@0:         mir_wait_bar = 1;
wolffd@0:     end
wolffd@0: end
wolffd@0: 
wolffd@0: pb = mir_wait_bar;