{ return nsGenericContainerElement::InsertBefore(aNewChild, aRefChild, aReturn); }
{ return nsGenericElement::InsertBefore(aNewChild, aRefChild, aReturn); }
  NS_IMETHOD    InsertBefore(nsIDOMNode* aNewChild, nsIDOMNode* aRefChild,                              nsIDOMNode** aReturn)  { return nsGenericContainerElement::InsertBefore(aNewChild, aRefChild,                                                   aReturn); }