google.load("feeds", "1");
  function initialize() {

  var feed = new google.feeds.Feed("http://blog.livedoor.jp/gcmarathon/atom.xml");
  feed.setNumEntries(10);
  feed.load(dispfeed);

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

      htmlstr += "<dl>";
      for (var i = 0; i < result.feed.entries.length; i++) {
      var entry = result.feed.entries[i];
      var strdate = createDateString(entry.publishedDate);
	      htmlstr += "<dt>" + strdate + "</dt>";

	      htmlstr += "<dd>"
	      htmlstr += '<a href="' + entry.link +'">' + entry.title + '</a>';
	      htmlstr += "</dd>"
      }
      htmlstr += "</dl>";

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

function createDateString(publishedDate){
	var pdate = new Date(publishedDate);
	var pday = pdate.getDate();
	var pmonth = pdate.getMonth() + 1;
	var pyear = pdate.getFullYear();
	var phour = pdate.getHours();
	var pminute = pdate.getMinutes();
	var psecond = pdate.getSeconds();
	var strdate = pyear + "年" + pmonth + "月" + pday + "日";

  return strdate;
}

google.setOnLoadCallback(initialize);