document.write('<div class="rss-box-sidebar">');
document.write('<p class="rss-item"><em>Error:</em> Feed failed! Causes may be (1) No data  found for RSS feed http://www.diigo.com/rss/user/Davidstong; (2) There are no items are available for this feed; (3) The RSS feed does not validate.<br /><br /> Please verify that the URL <a href="http://www.diigo.com/rss/user/Davidstong">http://www.diigo.com/rss/user/Davidstong</a> works first in your browser and that the feed passes a <a href="http://feedvalidator.org/check.cgi?url=http%3A%2F%2Fwww.diigo.com%2Frss%2Fuser%2FDavidstong">validator test</a>.</p></div>');