nsresult rv = NS_STATIC_CAST(nsIHTMLContent *, this)->SetAttr(kNameSpaceID_None, nsHTMLAtoms::accesskey, aValue, PR_TRUE);
nsresult rv = SetAttr(kNameSpaceID_None, nsHTMLAtoms::accesskey, aValue, PR_TRUE);
nsHTMLAnchorElement::SetAccessKey(const nsAString& aValue){  RegUnRegAccessKey(PR_FALSE);  nsresult rv = NS_STATIC_CAST(nsIHTMLContent *,                               this)->SetAttr(kNameSpaceID_None,                                              nsHTMLAtoms::accesskey,                                              aValue,                                              PR_TRUE);  if (!aValue.IsEmpty()) {    RegUnRegAccessKey(PR_TRUE);  }  return rv;}