<?php
include "master.php";
$myUsername = $_POST['user'];
$myPassword = $_POST['password'];



$query = "SELECT * FROM users";
$result = mysql_query( $query ) or die ( mysql_error() );
while ($row = mysql_fetch_array( $result ))
{
    $username = $row['username'];
    $password = $row['password'];
    if ($myUsername == $username)
    {
       if ($myPassword == $password)
       {
         ?>
         <script>
         window.location = "table.php";
         </script>
         <?php
       }
    }
}