function _ew_reg_form_reg_callback(){
  global $user;
  if($user->uid){
    drupal_goto('user');
  }
  return user_is_anonymous() && variable_get('user_register',1);
}

// Cafuego
function my_user_register_access() {
  if (!user_is_anonymous()) {
    drupal_goto('user');
  }
  return user_register_access();
}