function tkAddBookmark(title, url) {
  if (window.sidebar) { // Firefox
    // window.sidebar.addPanel(title, url, '');
    alert('Please press Ctrl-D to bookmark this page.');
  } else if (window.opera && window.print){ // Opera
	var a = document.createElement('a');
	a.setAttribute('href', url);
	a.setAttribute('rel', 'sidebar');
	a.setAttribute('title', title);
	a.click();
  } else if (document.all) { // Internet Explorer
	window.external.AddFavorite(url, title);
  }
}