hata veriyor hocam bu kod nerde hata verdi bulamadım sitemin ust tarafını dediğiniz gibi yaptım hata verdi
<?php
include("xxx.php");
$id=$_GET['id'];
$makalecek = mysql_fetch_array(mysql_query("select*from yazilar where id='$id'"));
$baslik = $makalecek['baslik'];
$metin = $makalecek['yazi_metni'];
$kisa_keywords = substr($metin, 0, 80);
$kisa_metin = substr($metin, 0, 200);
?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<HTML xmlns="http://www.w3.org/1999/xhtml">
<HEAD>
<title><?php echo $baslik; ?></title>
<meta name="description" content="<?php echo striptags($kisa_metin); ?>">
<meta name="keywords" content="<?php echo $kisa_keywords ?>">
<meta http-equiv="content-type" content="text/html; charset=windows-1254">
<meta http-equiv="content-type" content="text/html; charset=iso-8859-9">