$n=$_GET['str'];
$n=ereg_replace('[^0-9]','',$n);

$n=$n*3;
$k=$n+3;
mysql_connect("localhost", "root", "qwerty")

mysql_select_db("database");
$res=mysql_query ("SELECT SQL_CALC_FOUND_ROWS * FROM `inf_k`  WHERE `qzz`='$qzz' AND `cout`='$cout' LIMIT $n,$k ");
$result = mysql_query ( "SELECT FOUND_ROWS()" );

if(!$res || !$result)
{
echo "Возникла ошибка - ".mysql_error()."<br>";
}

while($row=mysql_fetch_array($res,MYSQL_ASSOC)) {
   echo  '<BR>.$row['new'].'<br> '.$row['fckont'];
}

  echo'<br>Страница ';
 $row=mysql_fetch_array($result,MYSQL_NUM);
 $z=$row['0']/3;
$z =ceil($z);
for ($n=0;$n<$z;$n++)
{
echo'<a href="show.php?str='.$n.'" class="toComment">'.($n+1).'</a>';
}
mysql_close();

echo  '<BR>.$row['new'].'<br> '.$row['fckont'];

echo "Возникла ошибка - ".mysql_error()."<br>";