push (@styleck, $style);
  $netdriver_stylesheet = $stl -> cookie (
    -name => 'netdriver_stylesheet',
    -value => $style,
  );
  print $stl -> header (-cookie => $netdriver_stylesheet);

##</code><code>##

@preference = $page -> cookie('netdriver_stylesheet');
if (@preference[0] ne "") { $style = "@preference[0]"; } else { $style = "driver"; }