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

function initialize() {
  var feedurl = "http://news.office-tie.com/?mode=rss";
  var feed = new google.feeds.Feed(feedurl);
  feed.setNumEntries(4);
  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];
        htmlstr += "<li>"
        var strdate = createDateString(entry.publishedDate);
        htmlstr += '<span class="create_data">' + strdate + '</span>';
        htmlstr += '<a href="' + entry.link + '">' + 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 pday = pdate.getDate();
  var pmonth = pdate.getMonth() + 1;
  if ( pmonth < 10 ) { pmonth = "0" + pmonth; }
  if ( pday < 10 ) { pday = "0" + pday; }
  var pyear = pdate.getFullYear();
  var phour = pdate.getHours();
  var pminute = pdate.getMinutes();
  var psecond = pdate.getSeconds();
  var strdate = pyear + "/" + pmonth + "/" + pday ;

  return strdate;
}

google.setOnLoadCallback(initialize);