function displayNewsFrame(url) {
  if(document.getElementById('d-news-frame').style.display == 'none') {
      if(document.getElementById('related-news'))
        document.getElementById('related-news').style.display = 'none';
    document.getElementById('news-frame').src = url;
    document.getElementById('d-news-frame').style.display = 'block';
  }
  else {
      if(document.getElementById('related-news'))
            document.getElementById('related-news').style.display = 'block';    
    document.getElementById('d-news-frame').style.display = 'none';
  }
}