function gui_tfd;
% Time-fraquency distribution
%
% last modified 08.01.05

global TS

str=TS.name;
[selection,ok] = listdlg('PromptString','Select data:',...
                'SelectionMode','single','ListString',str);
x.data=TS.data(:,selection);
x.time=TS.time;
if ok 
    time_frec_distribution(x,'gui');
end