var limit = 7 * 24 * 60 * 60 * 1000; //7日

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

function initialize() {
  var now = (new Date()).getTime();
  var feedurl = "http://sasukebuta.blogspot.com/feeds/posts/default";
  var feed = new google.feeds.Feed(feedurl);
  feed.setNumEntries(4);
  feed.load(dispfeed);

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

      for (var i = 0; i < result.feed.entries.length; i++) {
        var entry = result.feed.entries[i];
		var strdate = createDateString(entry.publishedDate);

var entdate = new Date(entry.publishedDate).getTime();
var newmark = '';
if (now >= entdate && now <= (entdate + limit)) {
	newmark = '<span style="color:red;"> new!<\/span>';
//「NEWマーク」のタグ
}


        htmlstr += '<dl><dt class="date">' + strdate + newmark+ "</dt>";
        htmlstr += '<dt class="title"><a href="' + entry.link + '" target="_blank">' + entry.title.substr(0,24) + '</a></dt>';
//        htmlstr += entry.content;
        htmlstr += "<dd>" + entry.contentSnippet.substr(0,56) + "</dd></dl>";
        for (var j = 0; j < entry.categories.length; j++) {
          htmlstr += "[" + entry.categories[j] + "]";
        }
//        htmlstr += "</p>";
      }

       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 strdate = pyear + "年" + pmonth + "月" + pday + "日";

  return strdate;
}
google.setOnLoadCallback(initialize);