$sql = "SELECT comment, time, author, email FROM komentarze WHERE news='$_GET[nr]'";
$wynik = @mysql_query($sql);
echo "<center><table width='300'>\n";
while(list($comment, $time, $author, $email) = @mysql_fetch_array($wynik)) {
    $time = date("d.m.Y G:i", $time);
    $comment = htmlspecialchars($comment);
    $comment = nl2br($comment);
    if($email != "") { $author = "<a href='mailto:$email'>$author</a>"; }
    echo "<tr>\n"
        ."<td align='left' width='50%' bgColor='white'>$author</td>\n"
        ."<td align='right' width='50%' bgColor='white'>$time</td></tr>\n"
        ."<tr><td width='100%' bgColor='#FFFFFF' colspan='2'>$comment</td>\n"
        ."</tr><br><br>\n";

}
echo "</table>\n"
    ."<form action='dodaj_kom.php' method='post' name='dodaj_kom'>\n"
    ."<div class='kom' align='center'>\n"
    ."&nbsp;Nick: <input type='text' name='nick' size='30'><br>\n"
    ."Email: <input type='text' name='email' size='30'><br>\n"
    ."Treść:<Br><textarea name='comment' cols='30' rows='6'></textarea><br>\n"
    ."<input type='submit' value='Dodaj'>\n"
    ."<input type='hidden' name='nr' value='$_GET[nr]'>\n"
    ."</div>\n"
    ."</form>\n";

ORDER BY time DESC