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://www.viwa.jp/feeds/posts/default/-/520.%E6%8B%A1%E5%A4%A7%E8%AA%AD%E6%9B%B8%E5%99%A8; (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.viwa.jp/feeds/posts/default/-/520.%E6%8B%A1%E5%A4%A7%E8%AA%AD%E6%9B%B8%E5%99%A8">http://www.viwa.jp/feeds/posts/default/-/520.%E6%8B%A1%E5%A4%A7%E8%AA%AD%E6%9B%B8%E5%99%A8</a> works first in your browser and that the feed passes a <a href="http://feedvalidator.org/check.cgi?url=http%3A%2F%2Fwww.viwa.jp%2Ffeeds%2Fposts%2Fdefault%2F-%2F520.%25E6%258B%25A1%25E5%25A4%25A7%25E8%25AA%25AD%25E6%259B%25B8%25E5%2599%25A8">validator test</a>.</p></div>');