function []=thick(thickness)
% THICK    set line thickness of current plot

if nargin == 0
   thickness = 5;
end

set(gca, 'LineWidth', thickness);
c = get(gca, 'children');
for i=1:length(c)
   eval('set(c(i)), ''LineWidth'', thickness); disp(c(i));', 'disp(c(i)+0.5)');
end

