public function actionMd5Login()
{
$model = new LoginForm();
// collect user input data
if (isset($_POST['LoginForm'])) {
$model->attributes = $_POST['LoginForm'];
// validate user input and redirect to the previous page if valid
if ($model->md5login()) {
$this->redirect(Yii::app()->user->returnUrl);
}
}
// display the login form
$this->render('login', array('model' => $model));
}