nsHTMLLabelElement::GetHtmlFor(nsString& aValue)
nsHTMLLabelElement::GetHtmlFor(nsAWritableString& aValue)
nsHTMLLabelElement::GetHtmlFor(nsString& aValue){  mInner.GetAttribute(kNameSpaceID_HTML, nsHTMLAtoms::_for, aValue);                   return NS_OK;                                                    }  