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

function initialize() {
  var feedurl = "http://feedblog.ameba.jp/rss/ameblo/takumi-build/rss20.xml";
  var feed = new google.feeds.Feed(feedurl);
  feed.setNumEntries(1);//フィードの表示数の設定
  feed.load(dispfeed);

  function dispfeed(result){
    if (!result.error){
      var container = document.getElementById("feed");
      var htmlstr = "";
      /*
      htmlstr += '<h2><a href="' + result.feed.link + '">' + result.feed.title + '</a></h2>';
      htmlstr += "<p>説明:" + result.feed.description + "</p>";
      htmlstr += "<p>作成者:" + result.feed.author + "</p>";
      */

      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 += '<a href="' + entry.link + '" target="_blank">' + entry.title + '</a>';

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

}
google.setOnLoadCallback(initialize);