if ($page < 1) {
for ( grep defined($_), ( reverse keys %upload )[ -19 .. 0 ] ) {
}
elsif ($page eq 2) {
my $top = ($page * 20);
my $bottom = $top - 19;

}
else ($page > 2) {
my $top = $page * 20;
my $bottom = $top - 19;
}