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

function initialize() {

	//RSSフィードの取得
	var feed = new google.feeds.Feed("http://rssblog.ameba.jp/jumpstart/rss20.xml");

	//取得するフィード数
	feed.setNumEntries(5)

	//実際に読む込む
	feed.load(function(result) {

		//読み込めたか判別
		if (!result.error) {

			//表示部分を選択
			var container = document.getElementById("feed");

			//変数の初期化
			var list = "";

			//Feedの処理
			for (var i = 0; i < result.feed.entries.length; i++) {

				//Feedを一つ抽出
				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 {
					var div = document.createElement("li");
					var a = document.createElement("a");
					var strdate = createDateString(entry.publishedDate);
					a.href = entry.link;
					var list ="［ " + strdate + " ］ " + entry.title;
					a.appendChild(document.createTextNode(list));
					div.appendChild(a);
					div.getElementsByTagName("a")[0].setAttribute("target","_blank");
					container.appendChild(div);
				}
			}
		}
	});
}

//日付の表示方法を変更
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();
	
	if ( pday < 10 ){
		pday = "0" + pday;
	}

	if ( pmonth < 10 ){
		pmonth = "0" + pmonth;
	}

	//var strdate = pyear + "年" + pmonth + "月" + pday + "日" + phour + "時" + pminute + "分" + psecond + "秒";
	var strdate = pyear + "." + pmonth + "." + pday ;
	return strdate;
}

google.setOnLoadCallback(initialize);