function initbuttons(tit, bstring, addcbk)
%INITBUTTONS Inizialize the uicontrol in the control frame

%
% Copyright (c) 1995 by Claudio Rivetti and Mark Young
% claudio@alice.uoregon.edu,    mark@alice.uoregon.edu
%

global Uibgcolor  B_frame Handlefig 

if nargin==0, tit='';end
if nargin<3, addcbk='';end

titcolor='b';
pos=get(B_frame, 'Position');

closebuttons;
set(B_frame, 'visible', 'on');
cbk=[ addcbk 'set(B_frame, ''visible'', ''off'');closebuttons;'];

uicontrol(gcf, 'Style', 'text',...
                'String', tit,...
                'Units', 'normalized',...
                'Position', [pos(1)+0.002 pos(2)+pos(4)-0.04 pos(3)-0.004, 0.03],...
                'ForegroundColor', titcolor,...
				'BackgroundColor', Uibgcolor);


if nargin >1
  uicontrol(gcf, 'Style', 'push', ...
		'String', bstring, ...
		'Interruptible','on',...
		'tag', 'BDONE',...
		'Units', 'normalized', ...
		'Position', [pos(1)+(pos(3)-0.12)/2 pos(2)+0.02 0.12 0.04], ...
		'CallBack', cbk);
end

return