function time = sec2time(s)
% Converts seconds to a string containing hours, minutes and
% seconds.  For s < 1, the value is 0:00:01
%
% Example:
%    sec2time(13646)
%
% Last edit by Colin Joye, 7/22/03
s    = ceil(s);
sec  = mod(s,60);
m    = (s - sec)/60;
min  = mod( m, 60 );
hrs  = (m - min)/60;
time = [num2str(hrs) ':' num2str(min,'%02i') ':' num2str(sec,'%02i')];
% ----------- End sec2time.m -------------