google.load("feeds", "1");

function initialize() {
  var feedurl = 'http://blog.goo.ne.jp/mediaislandr/rss2.xml';

  var feed = new google.feeds.Feed(feedurl);
  feed.setNumEntries(1);
  feed.load(dispfeed);

  function dispfeed(result){
    if (!result.error){
      var container = document.getElementById('feed');
      var htmlstr = '';

      for (var i = 0; i < result.feed.entries.length; i++) {
        var entry = result.feed.entries[i];
        var text = entry.contentSnippet.substr(0,64);
        text = text + '...';

        htmlstr += '<h3><a href=\"' + entry.link + '\">' + entry.title + '</a></h3> ';
        htmlstr += entry.publishedDate;
        htmlstr += '<p class=\"pad_lft10 pad_btm5\">';
        htmlstr += text;
        htmlstr += '</p>';
      }

      container.innerHTML = htmlstr;
    }else{
       alert(result.error.code + ':' + result.error.message);
    }
  }
}

google.setOnLoadCallback(initialize);