ขอความช่วยเหลือหน่อยครับ เกี่ยวกับไฟล์ config อยู่ดีๆมันก็มีปัญหาครับ

<?php

$ImgDir = "D:\\shoppingbed\\imgproduct";

$conn;
$ServerName = "localhost";
$UserName = "root";
$UserPassword = "1234";
$DataBaseName = "testwork";
function Conn2DB()
	{
		global $conn;
		global $ServerName;
		global $UserName;
		global $UserPassword;
		global $DataBaseName;
		$conn = mysql_connect( $ServerName, $UserName, $UserPassword );
		mysql_query("set names tis620");
		if ( ! $conn )
			die("äÁèÊÒÁÒöµÔ´µè͡Ѻ MySQL ä´é");

		mysql_select_db( $DataBaseName, $conn )
			or die("äÁèÊÒÁÒöµÔ´µè͡Ѻ°Ò¹¢éÍÁÙÅä´é");
		mysql_query("set names tis620");
	}

function CloseDB()
	{
		global $conn;
		mysql_close( $conn );
	}

function AddCateName( $CateName )
	{
		global $conn;
		$strSQL = "INSERT INTO category ( cate_name ) ";
		$strSQL = $strSQL . "VALUES ( '$CateName' )";
		mysql_query( $strSQL, $conn )
			or die ( "INSERT ????????????????????") . mysql_error();
	}

function ChkCateName( $cate_id )
	{
		global $conn;
		mysql_query("set names tis620");

		$strSQL= mysql_query( "SELECT * FROM category WHERE cate_id=$cate_id" );
		mysql_query("set names tis620");

		$rs = mysql_fetch_array ( $strSQL );
    
		return $rs[cate_name];
	}

function ChkLogin( $email, $password )
	{
		global $conn;
		$strSQL = "SELECT * FROM customer  WHERE cus_email='$email' AND cus_password='$password' ";
					mysql_query("set names tis620");
		$result = mysql_query( $strSQL, $conn );
		if ( ! $result )
			die ( "à¡Ô´¢éͼԴ¾ÅÒ´ : " . mysql_error() );
		$num = mysql_num_rows( $result );
		$rs = mysql_fetch_array( $result );
		if ( empty( $num ) )
			return false;
		else
			return $rs[cus_id];
	}

function ChkLoginAdmin( $username, $password )
	{
		global $conn;
		$strSQL = "SELECT * FROM admin  WHERE ad_username='$username' AND ad_password='$password'";
		mysql_query("set names tis620");
		$result = mysql_query( $strSQL, $conn );
		if ( ! $result )
			die ( "à¡Ô´¢éͼԴ¾ÅÒ´ : " . mysql_error() );
		$num = mysql_num_rows( $result );
		$rs = mysql_fetch_array( $result );
		if ( empty( $num ) )
			return false;
		else
			return $rs[ad_id];
	}


function ChkProID( $pro_id )
	{
		global $conn;
							mysql_query("set names tis620");

		$strSQL = "SELECT * FROM product ";
							mysql_query("set names tis620");

		$strSQL = $strSQL . "WHERE pro_id=$pro_id ";
		$result = mysql_query( $strSQL, $conn );
		if ( ! $result )
			die ( "SELECT ????????????" . mysql_error() );
		$num = mysql_num_rows( $result );
		if ( empty( $num ) )
			return false;
		else
			return true;
	}
?>