var limit = 7 * 24 * 60 * 60 * 1000; //7日
google.load("feeds", "1");

function initialize() {
  var now = (new Date()).getTime();
  var feedurl = "http://d.hatena.ne.jp/morinokuni/rss2"+"?"+(new Date()).getTime();
  var feed = new google.feeds.Feed(feedurl);
  feed.setNumEntries(3);
  feed.load(dispfeed);

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

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

        htmlstr += "<li class='dateLeft'>"
        htmlstr += strdate + "｜<a href='" + entry.link + "' target='_blank'>" + entry.title + " <\/a>";
        htmlstr += "<\/li>"

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

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

function createDateString(publishedDate){
  var pdate = new Date(publishedDate);

  var dd = pdate.getDate();
  if (dd < 10) {dd = "0" + dd;}
  var mm = pdate.getMonth() + 1;
  if (mm < 10) {mm = "0" + mm;}
  var yy = pdate.getFullYear();
  var strdate = mm + "/" + dd;

  return strdate;
}

google.setOnLoadCallback(initialize);