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

function initialize() {
  var feedurl = "http://www.plus-blog.sportsnavi.com/kiyono/rss2_0/feed.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 = "";

      htmlstr += '<ul class="blog">';
      for (var i = 0; i < result.feed.entries.length; i++) {
        var entry = result.feed.entries[i];

        htmlstr += "<li>"
        htmlstr += '<a href="' + entry.link + '" target="_blank">' + entry.title + '</a>';

        htmlstr += "</li>"
      }
      htmlstr += "</ul>";

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

google.setOnLoadCallback(initialize);