google.load("feeds", "1");
function initialize() {
  var feed = new google.feeds.Feed("http://www.beauty-frontier.co.jp/news/gruber/index.xml");
  feed.setNumEntries(7);
  feed.load(function(result) {
    if (!result.error) {
      var container = document.getElementById("feed");
      var useFeed = "";
      for (var i = 0; i < result.feed.entries.length; i++) {
        var entry = result.feed.entries[i];
        var date = new Date(entry.publishedDate); 
        useFeed	+=
        '<li>'+'<em>'+ date.toLocaleDateString() +'</em><br />'+'<a href="' + entry.link + '">' + entry.title + '</a>';
        }
        container.innerHTML = '<ul>' + useFeed + '</ul>';
    }
  });
}
google.setOnLoadCallback(initialize);