else { *aReturn = nsnull; } } else { *aReturn = nsnull;
NS_RELEASE(attributes);
nsChildContentList::Item(PRUint32 aIndex, nsIDOMNode** aReturn){  nsIContent *content;  nsresult res = NS_OK;    if (nsnull != mContent) {    mContent->ChildAt(aIndex, content);    if (nsnull != content) {      res = content->QueryInterface(kIDOMNodeIID, (void**)aReturn);      NS_RELEASE(content);    }    else {      *aReturn = nsnull;    }  }  else {    *aReturn = nsnull;  }  return res;}