while ($files = readdir($katalog))
{
  if ($counter !=0 && ($counter % $columns ==0))
    
        echo '</tr><tr>';
    
    
    if (eregi('.jpg', $files))
    {
  
    echo '<td valign="left" width="5">';
     echo "<a href='$dirpath$files'  rel='lightbox[roadtrip]' title='$files' width='5' heigth='5'>
     <img src='$dirpath$files' width='70px' heigth='100px' align='right'></a>";
     echo '</td>';
  $counter++;
    }
}