codice php:

<?php require_once('Connections/DB_SitoCerin.php'); ?>
<?php
if (!function_exists("GetSQLValueString")) {
function GetSQLValueString($theValue, $theType, $theDefinedValue = "", $theNotDefinedValue = "")
{
$theValue = get_magic_quotes_gpc() ? stripslashes($theValue) : $theValue;

$theValue = function_exists("mysql_real_escape_string") ? mysql_real_escape_string($theValue) : mysql_escape_string($theValue);

switch ($theType) {
case "text":
$theValue = ($theValue != "") ? "'" . $theValue . "'" : "NULL";
break;
case "long":
case "int":
$theValue = ($theValue != "") ? intval($theValue) : "NULL";
break;
case "double":
$theValue = ($theValue != "") ? "'" . doubleval($theValue) . "'" : "NULL";
break;
case "date":
$theValue = ($theValue != "") ? "'" . $theValue . "'" : "NULL";
break;
case "defined":
$theValue = ($theValue != "") ? $theDefinedValue : $theNotDefinedValue;
break;
}
return $theValue;
}
}

include('Connections/DB_SitoCerin.php');

$maxRows_SelezionaNews = 5;
$pageNum_SelezionaNews = 0;
if (isset($_GET['pageNum_SelezionaNews'])) {
$pageNum_SelezionaNews = $_GET['pageNum_SelezionaNews'];
}
$startRow_SelezionaNews = $pageNum_SelezionaNews * $maxRows_SelezionaNews;
?>
<?php
$maxRows_SelezionaNews = 5;
$pageNum_SelezionaNews = 0;
if (isset($_GET['pageNum_SelezionaNews'])) {
$pageNum_SelezionaNews = $_GET['pageNum_SelezionaNews'];
}
$startRow_SelezionaNews = $pageNum_SelezionaNews * $maxRows_SelezionaNews;

mysql_select_db($database_DB_SitoCerin, $DB_SitoCerin);
$query_SelezionaNews = "SELECT `ID`, `Titolo`, `Testo`, DATE_FORMAT(`Data`, GET_FORMAT(DATE, 'EUR')) as DataN, `Fonte` FROM `news` WHERE 1 ORDER BY `Data` DESC, `ID` DESC";
$query_limit_SelezionaNews = sprintf("%s LIMIT %d, %d", $query_SelezionaNews, $startRow_SelezionaNews, $maxRows_SelezionaNews);
$SelezionaNews = mysql_query($query_limit_SelezionaNews, $DB_SitoCerin) or die(mysql_error());
$row_SelezionaNews = mysql_fetch_assoc($SelezionaNews);

if (isset($_GET['totalRows_SelezionaNews'])) {
$totalRows_SelezionaNews = $_GET['totalRows_SelezionaNews'];
} else {
$all_SelezionaNews = mysql_query($query_SelezionaNews);
$totalRows_SelezionaNews = mysql_num_rows($all_SelezionaNews);
}
$totalPages_SelezionaNews = ceil($totalRows_SelezionaNews/$maxRows_SelezionaNews)-1;
?>
<?php
// *** Validate request to login to this site.
if (!isset($_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 = "privilegio";
$MM_redirectLoginSuccess = "AccessoSi.php";
$MM_redirectLoginFailed = "AccessoNo.php";
$MM_redirecttoReferrer = false;
mysql_select_db($database_DB_SitoCerin, $DB_SitoCerin);

$LoginRS__query=sprintf("SELECT CFPIVA, password, privilegio FROM utenti WHERE CFPIVA=%s AND password=%s",
GetSQLValueString($loginUsername, "text"), GetSQLValueString($password, "text"));

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

$loginStrGroup = mysql_result($LoginRS,0,'privilegio');

//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 );
}
}

session_start(); ?>
.
.
.
<div id="BarraLogin">
<?php
if (isset($_SESSION['MM_Username']))
{
echo $_SESSION['MM_Cognome'] . ' ' . $_SESSION['MM_Nome'] . ' (' . $_SESSION['MM_Privilegio'] . ') - '; ?>
Logout
<?php } ?>
</div>
.
.
.
<div id="Extra">
<table width="100%" border="0" class="voceMenuVerSel">
<tr>
<td class="testoHome3" align="center">ZONA RISERVATA</td>
</tr>
<tr>
<td class="testoLogin">
<form ACTION="<?php echo $loginFormAction; ?>" method="POST" name="Login" id="Login">
<div align="center">
<label>Username:
<input name="username" type="text" id="username" tabindex="1" maxlength="12" />
</label>
</div>
<div align="center">
<label> Password:
<input name="password" type="password" id="password" tabindex="2" maxlength="12" />
</label>
</div>
<div align="center">
<label>
<input name="accedi" type="submit" id="accedi" value="Accedi" />
</label>
</div>
</form>
</td>
</tr>
<tr>
<td class="voceHomeLogin" align="center">Registrati</td>
</tr>
<tr>
<td class="voceHomeLogin"></td>
</tr>
</table>
</div>
.
.
.