NS_ENSURE_TRUE(mSelect, NS_ERROR_UNEXPECTED);  return mSelect->SetSelectedIndex(aSelectedIndex);
return SetOptionsSelectedByIndex(aIndex, aIndex, PR_TRUE, PR_TRUE, PR_TRUE, PR_TRUE, nsnull);
nsHTMLOptionCollection::SetSelectedIndex(PRInt32 aSelectedIndex){  NS_ENSURE_TRUE(mSelect, NS_ERROR_UNEXPECTED);  return mSelect->SetSelectedIndex(aSelectedIndex);}