Code:
<html> <head> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1" /> </head> <body> <?php
	$catelogue_id=$_REQUEST['catelogue_id'];
	
	$con=mysql_connect('localhost','root','') or die(mysql_error());
	$db=mysql_select_db('catelog',$con)or die(mysql_error());
?> <?php
$q="select * from catelogue where catelogue_id=$catelogue_id";
...