{ return nsGenericContainerElement::ReplaceChild(aNewChild, aOldChild, aReturn); }
{ return nsGenericElement::ReplaceChild(aNewChild, aOldChild, aReturn); }
  NS_IMETHOD    ReplaceChild(nsIDOMNode* aNewChild, nsIDOMNode* aOldChild,                              nsIDOMNode** aReturn)  { return nsGenericContainerElement::ReplaceChild(aNewChild, aOldChild,                                                   aReturn); }