if ($user_login=="" or $pass_login=="") {
echo "<h3>กรุณากรอกข้อมูลให้ครบ<h3>" ; exit();
}
include "connect.php";
$sql="select * from tb_member where username='$user_login' and password='$pass_login'" ;
$result=mysql_db_query($dbname,$sql);
$num=mysql_num_rows($result);
mysql_close ();