public function loginAction()
{
$this->_helper->layout->setLayout('layout_login');
$form = new Application_Form_Login();
$params = $this->_request->getParams();
if ($this->_request->isPost() && $form->isValid($params)) {
$_usuario = new Application_Model_Usuario();
$loginValido = $_usuario->autenticar($form->getValues());
if ($loginValido) {
$this->_redirect('/');
} else {
$this->_helper->FlashMessenger('Usuario o contraseña invalido');
$this->_redirect('/index/login');
}
}
$this->view->form = $form;
}