enzan.html
enzan.cgi
internal server errorの場合、
#$hitotsume = $query->param('hitotsume');
print"$hitotsume"
or,
#$hitotsume = $query->param('hitotsume');
#$futatsume = $query->param('futatsume');
#$mittsume = $query->param('mittsume');
print"$mittsume"
これで間違えているかないかわかります.