+%
+% my %schedule = UserDaySchedule( username => $username,
+% 'date' => $Date->strftime('%F'),
+% Tickets => \@Tickets,
+% );
+%
+% my $bgcolor = '666666;border-color:#555555';
+% my $content = '';
+% my $onmouse = 0;
+%
+% #white out available times
+% foreach my $avail ( @{ $schedule{'avail'} } ) {
+% my( $start, $end ) = @$avail;
+% next if $start >= ($tod_row+$timestep) || $end <= $tod_row;
+% $bgcolor = 'FFFFFF';
+% $onmouse = 1
+% if $LengthMin <= $end - $tod_row #the slot is long enough
+% && ! grep { $_ > $tod_row && $LengthMin > $_ - $tod_row }
+% map $_->[0], values %{ $schedule{'scheduled'} };
+% }
+%
+% #block out / show / color code existing appointments
+% foreach my $id ( keys %{ $schedule{'scheduled'} } ) {
+%
+% my( $starts, $due, $col, $t ) = @{ $schedule{'scheduled'}->{$id} };
+%
+% next if $starts >= ($tod_row+$timestep) || $due < $tod_row;
+%
+% $bgcolor = $col;
+% $onmouse = 0;
+%
+% if ( $starts >= $tod_row ) { #first row
+% $content .= ($content?', ':''). $id; #XXX more
+% }
+% }