google.load("feeds", "1");
function initialize() {
  var feedurl = "http://www.kawariito.com/blog/feed/";
  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];
        htmlstr += '<h4>' + entry.title + '</a></h4>';
        htmlstr += entry.content;
        htmlstr += "</p>";
      }
       container.innerHTML = htmlstr;
    }else{
       alert(result.error.code + ":" + result.error.message);
    }
  }

}
google.setOnLoadCallback(initialize);