+
+sub letter_loop {
+ my ($selected_letter, $template) = @_;
+ my $letters = GetLetters('serial');
+ my @letterloop;
+ foreach my $thisletter (keys %$letters) {
+ my $selected = $thisletter eq $selected_letter ? 1 : 0;
+ push @letterloop, {
+ value => $thisletter,
+ selected => $selected,
+ lettername => $letters->{$thisletter},
+ };
+ }
+ $template->param(letterloop => \@letterloop) if @letterloop;
+ return;
+}