NS_IMETHOD SetAttr(PRInt32 aNameSpaceID, nsIAtom* aAttribute, const nsAString& aValue,
NS_IMETHOD SetAttr(nsINodeInfo *aNodeInfo, const nsAString& aValue,
  NS_IMETHOD SetAttr(PRInt32 aNameSpaceID, nsIAtom* aAttribute, const nsAString& aValue,                     PRBool aNotify) {  return NS_OK; }