function createBookmarkLink(url, title) {
  try {
    if (window.sidebar) { // Mozilla Firefox Bookmark
      return window.sidebar.addPanel(title, url, "");
    } else if( window.external ) { // IE Favorite
      return window.external.AddFavorite( url, title); 
    } else if(window.opera && window.print) { // Opera Hotlist
      return true; 
    }
  } catch(err) {
    // do nothing
  }
  alert('Could not create a bookmark on your client.\n\nTo return to ' + title + ' you must manually create a bookmark to: \n' + url + '.');
}
function writeBookmarkLink(url, title) {
  try {
    if (window.sidebar) { // Mozilla Firefox Bookmark
      return document.write('<a href="javascript:createBookmarkLink(\'' + url + '\', \'' + title + '\')" );="">Ajouter <em>' + title + '</em> dans vos favoris</a>'); 
    } else if (window.external) { // IE Favorite
      return document.write('<a href="javascript:createBookmarkLink(\'' + url + '\', \'' + title + '\')" );="">Ajouter <em>' + title + '</em> dans vos favoris</a>'); 
    } else if (window.opera && window.print) { // Opera Hotlist
      return document.write('<a rel="sidebar" href="http://www.acoupsur.com/" title="' + title + '">Ajouter <em>' + title + '</em> dans vos favoris</a>');
    } 
  } catch(err) {
    // do nothing
  }
  return document.write('To return to ' + title + ' Ajouter : <a style="color: white;" href="%27%20+%20url%20+%20%27">' + url + '</a>');
}