google.load("feeds", "1");   
function initialize()
{   
 //RSSフィードの取得
 var feed = new google.feeds.Feed("http://synodos.livedoor.biz/index.rdf");   
 
 //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
    list = '<ul>';
   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{
     list += '<li>';
     list += '<a href="' + entry.link + '" target="_blank">' + entry.title + '</a>&emsp;';
     var strdate = createDateString(entry.publishedDate);
     list += '（' + strdate + '）';
     list += '</li>';
    }
        } 
     list += '</ul>';
     container.innerHTML = list;
     }   
   });   
} 
//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(); 
  //var strdate = pyear + "年" + pmonth + "月" + pday + "日" + phour + "時" + pminute + "分" + psecond + "秒";
  var strdate = pyear + "-" + pmonth + "-" + pday ;
  return strdate;
} 
google.setOnLoadCallback(initialize);