document.write('<div class="rss-box">');
document.write('<p class="rss-item"><em>Error:</em> Feed failed! Causes may be (1) No data  found for RSS feed http://hon.gakken.jp/book_p/rss.xml; (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://hon.gakken.jp/book_p/rss.xml">http://hon.gakken.jp/book_p/rss.xml</a> works first in your browser and that the feed passes a <a href="http://feedvalidator.org/check.cgi?url=http%3A%2F%2Fhon.gakken.jp%2Fbook_p%2Frss.xml">validator test</a>.</p></div>');