ATTN: David Powers. Loging password encrypt

David -

I am using your book PHP for dreamweaver 8 to help me in building my site. I am working on my userlog in page. I se on page 363 number 5 you talk about adding the code to for the password encrypt. I do not see in my code where I should add this. Below is my caode.

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<?php
// *** Validate request to login to this site.
if (!isset($_SESSION)) {
session_start();
}

$loginFormAction = $_SERVER['PHP_SELF'];
if (isset($_GET['accesscheck'])) {
$_SESSION['PrevUrl'] = $_GET['accesscheck'];
}

if (isset($_POST['username'])) {
$loginUsername=$_POST['username'];
$password=$_POST['password'];
$MM_fldUserAuthorization = "";
$MM_redirectLoginSuccess = "admin.php";
$MM_redirectLoginFailed = "bad_login.php";
$MM_redirecttoReferrer = false;
mysql_select_db($database_siteText, $siteText);

$LoginRS__query=sprintf("SELECT users_name, users_password FROM users WHERE users_name='%s' AND users_password='%s'",
get_magic_quotes_gpc() ? $loginUsername : addslashes($loginUsername), get_magic_quotes_gpc() ? $password : addslashes($password));

$LoginRS = mysql_query($LoginRS__query, $siteText) or die(mysql_error());
$loginFoundUser = mysql_num_rows($LoginRS);
if ($loginFoundUser) {
$loginStrGroup = "";

//declare two session variables and assign them
$_SESSION['MM_Username'] = $loginUsername;
$_SESSION['MM_UserGroup'] = $loginStrGroup;

if (isset($_SESSION['PrevUrl']) && false) {
$MM_redirectLoginSuccess = $_SESSION['PrevUrl'];
}
header("Location: " . $MM_redirectLoginSuccess );
}
else {
header("Location: ". $MM_redirectLoginFailed );
}
}
?>