$username = mysql_real_escape_string($_POST['username']);
	$password = mysql_real_escape_string(md5($_POST['password']));
	$login = mysql_query("SELECT * FROM users WHERE username = '$username' AND password = '$password'", $db);
	if(mysql_num_rows($login) == 1)
	{
		$_SESSION['username'] = $_POST['username'];
		echo '<meta http-equiv="refresh" content="0;url=index.php">';
	}
	else
	{
		die('<cente