if ($userdata['user_avatar'] != "") {
echo "<center><img border='0' src='".BASEDIR."images/avatars/".$userdata['user_avatar']."' width='50' height='50' alt='' /></center>\n";
} else {
echo "<center><img border='0' src='".BASEDIR."images/avatars/nera.jpg' width='50' height='50' alt='' /></center>\n";
}