$id = mysql_query("select * from jos_content where id='$id'");
$katid = mysql_result($id,0,'catid');
// katid aldik son haberleri aliyoruz 
$sor = mysql_query("select * from jos_content where catid='$katid' limit 0,10");
while ($sordum=mysql_fetch_array($sor)) {
echo $sordum['title']."<br>";
}