<loop sort^=- range^=0,10 db=mode input=link>
  <p>$Artikel_1</p>
  <p>$Kategorie</p>
  <p>$Text_1</p><br>
  $Trennlinie
  <p>$Artikel_2</p>
  <p>$Kategorie</p>
  <p>$Text_2</p><br>
</loop>

my $newrange=$_range+$_range_length;
my $oldrange=$_range-$_range_length;
$oldrange=0 if $oldrange<0 && $oldrange>-$_range_length;
out "<a href=\"$_link&range=$oldrange,$_range_length$append\">zurueck</a>" if $oldrange>=0;
out "<a href=\"$_link&range=$newrange,$_range_length$append\">weiter</a>" if $newrange<$_amount_query;
</perl>