include "admin_header.php";
// CHECK FOR USER ID
if (isset($_GET['user_id'])) {
    $user_id = $_GET['user_id'];
} else {
    $user_id = 0;
}
// CHECK FOR REDIRECTION URL
if (isset($_GET['return_url'])) {
    $return_url = $_GET['return_url'];
} else {
    $return_url = "";
}
$return_url = urldecode($return_url);
$return_url = str_replace("&", "&", $return_url);
// VALIDATE USER ID
$user = new SEUser(array($user_id));
if ($user->user_exists == 0) {
    header("Location: admin_viewusers.php");
    exit;
}
// LOG ADMIN IN AS USER
$user->user_setcookies();
// SEND ADMIN TO CORRECT URL
if ($return_url == "") {
    cheader("../user_home.php");
    exit;
} else {
    cheader("{$return_url}");
    exit;
}