เพจหน้าเดียวกันข้อมูลจาก Database คนละตัวได้ไหมครับ คือผมตั้ง config ตัวเดียว

<?
header("Content-Type: text/plain; charset=TIS-620");
session_start();
print"<form id='form1' name='form1' method='post' action='maildetail.php' >";
include ("config.inc.php");
$sessionID= session_id();
$addProductID=$_GET['productID'];
$sql = "select ID from basket where productID=$addProductID and sessionID='$sessionID'";
$result = mysql_query($sql);
if(mysql_num_rows($result)==0){
	$sql = "insert into basket (sessionID,productID,quantity) values('$sessionID',$addProductID,1)";
}else{
	$sql = "update basket set quantity=quantity+1 where  productID=$addProductID and sessionID='$sessionID'";
}
mysql_query($sql);
$sql = "select productID,name,price,quantity from basket,product where basket.productID=product.ID and sessionID='$sessionID'";
$result = mysql_query($sql);
$totalPrice=0;
print"<table>";
while($row=mysql_fetch_array($result)){
	$addProductID = $row["productID"];
	$productName = $row["name"];
	$productPrice = $row["price"];
	$quantity = $row["quantity"];
	print "<tr bgcolor='#C0C0C0'>";
	print "<td>$productName</td><td>$productPrice บ.</td>";
	print "<td>$quantity เล่ม</td>";
	print "<td align='right'>".($productPrice*$quantity)." บ.</td>";
	print "<td><a href='#' onclick='removeBasket($addProductID, orders)'><img src='image/remove.gif' border=0></a></td>";
	print "</tr>";
	print "<tr><td colspan=6>&nbsp;</td></tr>";
	$totalPrice = $totalPrice + ($productPrice*$quantity);
}
	print "<tr>";
	print "<td colspan=3 align='right'><b>รวมเป็นเงิน $totalPrice บ.</b></td></tr>";
print "</table>";

print"<table width='400' border='0'>";
print"<tr>";
print"<td width='200'>ชื่อผู้สั่งซื้อ :</td>";
print"<td width='260'><input name='namebuyer' type='text' id='namebuyer'/></td>";
print"</tr>
    <tr>
      <td>ที่อยู่ในการส่งสินค้า:</td>
      <td><label>
        <textarea name='addressbuyer' id='addressbuyer' cols='25' rows='10'></textarea>
      </label></td>
    </tr>
    <tr>
      <td>อีเมลหรือเบอร์โทรผู้ซื้อ:</td>
      <td><input name='contactbuyer' type='text' id='contactbuyer' size='20' /></td>
    </tr>
    <tr>
      <td></td>
      <td><input type='submit' name='button' id='button' value='ส่งอีเมลยังผู้ขาย' /></td>
    </tr>
  </table>
</form>";
?>