sanırım sql sorgununda sorun var
biraz karmaşık yazmışsın kodları sanırım o yüzden kimse cevap vermek istememiş ama şu alttakini bi dene.
<HTML>
<?
$index=$_GET['id']-150;
$result = mysql_query("SELECT * FROM `urun_bilgi` where `urun_ID`='".$index."'");
$row(mysql_fetch_array($result)){
$noxious = $row[urun_adi];
};
?>
<HEAD>
<META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=windows-1254">
<META HTTP-EQUIV="Content-Type" CONTENT="text/html;CHARSET=iso-8859-9">
<meta name="description" content="<?=$noxious?>">
<META name="keywords" content="<?=$noxious?>">
<META http-equiv="content-language" content="TR">
<link href="./ana.css" type="text/css" rel="stylesheet" />
<TITLE><?php $noxious ?></TITLE>
</HEAD>
<BODY BGCOLOR="white" topmargin="0" leftmargin="0">
<div align="center">
<?php
include("seo.inc.php");
include("admin/dataconn.php");
include("./sabit/logoanddrop.php");
?>
<table border="0" cellpadding="0" cellspacing="0" width="1000">
<tr>
<td width="1000" valign="TOP" bgcolor="#F2F2F2" colspan="4" height="13">
<font face="Tahoma" style="font-size: 4pt"> </font></td>
</tr>
<tr>
<p class="style31" align="left">
<td width="150" valign="TOP" bgcolor="#F2F2F2">
<?php
$index=$_GET['id']-150;
include("admin/dataconn.php");
$result = mysql_query("SELECT * FROM urun_bilgi where urun_ID=$index");
$row = mysql_fetch_array($result);
include("sabit/urun_sol_menu.php");
echo" </td>
<td width='630' valign='TOP'>
<table border='0' width='630' id='table8' cellspacing='0' cellpadding='0'>
<tr>
<td width='630' valign='top' align='left' height='10' class=sayfabaslik>
<img border='0' src='resim/navright_home.gif' width='18' height='10' align='left' hspace='0'>:: Ürün Özellikleri</td>
</tr>
</table>
<p>";
include("./sabit/urun_header.php");
echo"<div align='center'>
<table border='0' width='600' id='table5'>
<tr>
<td>
<font face='Tahoma' style='font-size: 10pt' color='#003399'><b>Ürün Açıklaması:</b></font></td>
</tr>
<td>";
$aciklama=$row['aciklama'];
$aciklama= str_replace("xy_z","'",$aciklama);
echo"<font face='Tahoma' style='font-size: 10pt'>$aciklama</font></td>
</tr>
<tr>
<td height='20'>
</td>
</tr>
<tr>
<td>
<p>
<font face='Tahoma' style='font-size: 10pt' color='#003399'>
<b>
<label for='ozellik'>Ürün Özellikleri:</label></b></font></td>
</tr>
<tr>
<td>";
$ozellik=$row['ozellik'];
$ozellik= str_replace("xy_z","'",$ozellik);
echo"<font face='Tahoma' style='font-size: 10pt'>$ozellik</font></td>
</tr>
<tr>
<td height='20'>
</td>
</tr>
<tr>
<td>
<p>
<label for='sistemgereksinim'>
<font face='Tahoma' style='font-size: 10pt' color='#003399'>
<b>Sistem Gereksinimleri: </b></font></label> </td>
</tr>
<tr>
<td>
<font face='Tahoma' style='font-size: 10pt'>";
$sistemgerek=$row['sistemgerek'];
$sistemgerek= str_replace("xy_z","'",$sistemgerek);
echo $sistemgerek."</font></td>
</tr>
<tr>
<td>
<p align='right'>
<font color='#CC0000'>
<font face='Tahoma' color='#CC0000'>
<span style='text-decoration: none'>
<a href='#TOP'><font color='#000000' style='font-size: 10pt'>
<span style='text-decoration: none; font-weight:700'>Başa Dön</span></font></a></span></font><font face='Tahoma' size='2' color='#CC0000'></a></font></font><font face='Tahoma' size='2' color='#CC0000'><a href='#TOP'><span style='text-decoration: none'>
</span>
</a></font><a href='#TOP'>
<img border='0' src='resim/arrow_up.gif' width='20' height='20'></a></td>
</tr>
<tr>
<td bgcolor='#f4e6e6'><font color='#CC0000'><b><span style='font-size: 10pt'>
<img border='0' src='resim/kvkutu1.gif' width='9' height='9'></span><font face='Tahoma' style='font-size: 10pt'>
Aynı kategorideki Diğer Ürünler:</font></b></font></td>
</tr>
<tr> <td>";
$kategori=$row['kategori'];
$result = mysql_query("SELECT urun_adi,urun_ID FROM urun_bilgi where kategori='$kategori' order by urun_adi");
echo"<center>
<table border='0' width='600' id='table7' bgcolor='#F2F2F2'>";
while($row = mysql_fetch_array($result)){
$index = 150+ $row['urun_ID'];
echo"
<tr>
<td width='100%'>
<img border='0' src='./resim/arrow_r.gif' width='7' height='7'>
<a href='urun_detay.php?id=$index' class=urunlistesi>".$row['urun_adi']."</a>
</td>
</tr>";
}
echo "</table>
</center>
</td></tr>
</table>
</div>
</td>
<td width='20' valign='TOP' align='center' background='resim/dotv.gif'> </td>
<td width='200' valign='TOP' align='center'>";
include("sabit/urun_sag_menu.php");
?>
</td>
</tr>
<tr>
<td width="1000" valign="TOP" height="10" colspan="4">
<img border="0" src="resim/navbottom_home.gif" width="150" height="7"></td>
</tr>
<tr>
<td width="1000" valign="TOP" height="10" colspan="4">
<img border="0" src="resim/1pix.gif" width="1" height="7"></td>
</tr>
<?php
include("./sabit/altkisim.php");
?> </table>
</div>
</BODY>
</HTML>