radio->GetCheckedChanged(mCheckedChanged); *aStop = PR_TRUE;
radio->SetCheckedChangedInternal(mCheckedChanged);
  NS_IMETHOD Visit(nsIFormControl* aRadio, PRBool* aStop)  {    if (aRadio == mExcludeElement) {      return NS_OK;    }    nsCOMPtr<nsIRadioControlElement> radio(do_QueryInterface(aRadio));    NS_ASSERTION(radio, "Visit() passed a null button (or non-radio)!");    radio->GetCheckedChanged(mCheckedChanged);    *aStop = PR_TRUE;    return NS_OK;  }