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

function initialize() {
  var feed = new google.feeds.Feed("http://mikadoclinic.cocolog-nifty.com/blog/index.rdf");
  feed.load(function(result) {
    if (!result.error) {
      var container = document.getElementById("feed");
      var ul = document.createElement("ul");
      for (var i = 0; i < result.feed.entries.length; i++) {
        var entry = result.feed.entries[i];
        var a  = document.createElement("a");
        var li = document.createElement("li");
        li.setAttribute("className", "blog-feed");
        a.setAttribute("href", entry.link);
        a.appendChild(document.createTextNode(entry.title));
        li.appendChild(a);
        container.appendChild(li);
      }
    }
  });
}

google.setOnLoadCallback(initialize);