// Google AJAX Feed API

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

function initialize() {
  var mynow = new Date();
  var q = mynow.getMonth(); //月を取得
  var q2 = mynow.getDate(); //日にちを取得
  var q3 = mynow.getHours(); //時間を取得
  var q4 = Math.floor(mynow.getMinutes()/15); //分を割ってみる
  var query = q+"0"+q2+"0"+q3+"0"+q4; //月日時間を合体。なんとなく間に0を追加。

  var feedurl = "http://feedblog.ameba.jp/rss/ameblo/tobeyaki-ennosato/rss20.xml"+"?"+query;
  var feed = new google.feeds.Feed(feedurl);
  feed.setNumEntries(10);
  feed.load(dispfeed);

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

      htmlstr += "<ul>";
      var num = 0;
      for (var i = 0; i < result.feed.entries.length; i++) {
        var entry = result.feed.entries[i];
        if(entry.title.match(/^PR:/)) {
        //「PR:」から始まるものがあれば何もしない
        }
        else{
        htmlstr += "<li>";
        htmlstr += '<a href="' + entry.link + '" target="_blank">' + entry.title + '</a>';
        htmlstr += "　　　";
        var strdate = createDateString(entry.publishedDate);
        htmlstr += strdate + "更新";
        htmlstr += "</li>";
        num += 1;
        if (num == 9) {break;}
        }
      }
      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;
  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);