function cd=yd2cd1(yd,yr)
% cd=yd2cd1(yd,yr) converts yd of yr
% to calender day of same year.
% 4/6/01
gtime=greg2(yd-1,yr);
m=int2str(gtime(2));
d=int2str(gtime(3));
cd=[m,'/',d];
