-if (empty($_GET['msg'])) $_GET['msg'] = "";
-if (empty($_POST['zip'])) $_POST['zip'] = "";
-if (empty($_POST['html'])) $_POST['html'] = "";
-if (empty($_POST['receiver'])) $_POST['receiver'] = "";
-if (IS_ADMIN()) $whereStatement = "";
+if (!REQUEST_ISSET_GET('msg')) REQUEST_SET_GET('msg' , '');
+if (!REQUEST_ISSET_POST('zip')) REQUEST_SET_POST('zip' , '');
+if (!REQUEST_ISSET_POST('html')) REQUEST_SET_POST('html' , '');
+if (!REQUEST_ISSET_POST('receiver')) REQUEST_SET_POST('receiver', '');
+if (IS_ADMIN()) $whereStatement = '';