function bookmarkthis() {
	  var title = document.title;
	  var url = document.URL;
	  if (window.sidebar) { // firefox
	     window.sidebar.addPanel(title, url, "");
	  } else if (document.all) { // IE
	     window.external.AddFavorite(url, title);
	  } else if (window.opera && window.print) { // opera
	     var elem = document.createElement('a');
	     elem.setAttribute('href',url);
	     elem.setAttribute('title',title);
	     elem.setAttribute('rel','sidebar');
	     elem.click();
	  }
	}