<?

$cek = mysql_query("SELECT * FROM tablom ORDER BY id DESC LIMIT 0,20"); 
$x="1";
while($ceq= mysql_fetch_array($cek)){ 
echo  "<a href=\"".$ceq['hid']."\" target=\"_blank\">".ucwords(strtolower($ceq['baslik']))."</a><br>"; 
if($x=="3" OR $x=="6" OR $x=="9"OR $x=="12")
{
include "reklam.php";
}
$x=$x+1;
    } 
?>