ช่วยทีครับ ติดต่อฐานข้อมูลไม่ได้

<?php
require_once 'config.php';

$dbConn = mysql_connect ($dbHost, $dbUser, $dbPass) or die ('MySQL connect failed. ' . mysql_error());
mysql_select_db($dbName) or die('Cannot select database. ' . mysql_error());
mysql_query("SET NAMES UTF8");

function dbQuery($sql)
{
	$result = mysql_query($sql) or die(mysql_error());
	
	return $result;
}

function dbAffectedRows()
{
	global $dbConn;
	
	return mysql_affected_rows($dbConn);
}

function dbFetchArray($result, $resultType = MYSQL_NUM) {
	return mysql_fetch_array($result, $resultType);
}

function dbFetchAssoc($result)
{
	return mysql_fetch_assoc($result);
}

function dbFetchRow($result) 
{
	return mysql_fetch_row($result);
}

function dbFreeResult($result)
{
	return mysql_free_result($result);
}

function dbNumRows($result)
{
	return mysql_num_rows($result);
}

function dbSelect($dbName)
{
	return mysql_select_db($dbName);
}

function dbInsertId()
{
	return mysql_insert_id();
}
?>

<?php
ini_set('display_errors', 'On');
//ob_start("ob_gzhandler");
error_reporting(E_ALL ^ E_DEPRECATED);
// start the session
session_start();
// database connection config
$dbHost = 'localhost';
$dbUser = 'admin';
$dbPass = 'admin1234';
$dbName = 'itbookonline';

// setting up the web root and server root for
// this shopping cart application
$thisFile = str_replace('', '/', __FILE__);
$docRoot = $_SERVER['DOCUMENT_ROOT'];

$webRoot  = str_replace(array($docRoot, 'library/config.php'), '', $thisFile);
$srvRoot  = str_replace('library/config.php', '', $thisFile);

define('WEB_ROOT', $webRoot);
define('SRV_ROOT', $srvRoot);

define('SECRET_KEY', 'itbookonline');
// these are the directories where we will store all
// category and product images
define('CATEGORY_IMAGE_DIR', 'images/category/');
define('PRODUCT_IMAGE_DIR',  'images/product/');
define('POWER_BY','<p>Power by PainCart and edit Thai version by <a href="http://www.swift-tutor.com">swift-tutor.com</a></p>');
// some size limitation for the category
// and product images

// all category image width must not 
// exceed 75 pixels
define('MAX_CATEGORY_IMAGE_WIDTH', 125);

// do we need to limit the product image width?
// setting this value to 'true' is recommended
define('LIMIT_PRODUCT_WIDTH',     true);

// maximum width for all product image
define('MAX_PRODUCT_IMAGE_WIDTH', 300);

// the width for product thumbnail
define('THUMBNAIL_WIDTH',         125);
/*   เอาออก ไม่เช่นนั้นอัพเดทตะกร้าไม่ได้
if (!get_magic_quotes_gpc()) {
	if (isset($_POST)) {
		foreach ($_POST as $key => $value) {
			$_POST[$key] =  trim(addslashes($value));
		}
	}
	
	if (isset($_GET)) {
		foreach ($_GET as $key => $value) {
			$_GET[$key] = trim(addslashes($value));
		}
	}	
} เอาออก
*/
// since all page will require a database access
// and the common library is also used by all
// it's logical to load these library here
require_once 'database.php';
require_once 'common.php';

// get the shop configuration ( name, addres, etc ), all page need it
$shopConfig = getShopConfig();
?>

</html>

ช่วยทีครับ มือใหม่ งงมาก

บรรทัดแรก เป็นไฟล์ Database.php 

บรรทัดที่ 2 เป็น Config.php

บรรทัดสุดท้าย เป็น test.php

ไฟล์ database ขึ้น No database Select 

ไฟล์ test ขึ้นเหมือนเดิมครับ งงมากๆเลย  T T