var ker = '/Computer/W2K/meadow061111.html';
var url = 'http://b.hatena.ne.jp/entry/json/?url=' + encodeURIComponent(ker);
var d = sendJSONPRequest(url, 'callback');

d.addCallback(function(json) {
replaceChildNodes($('comments'),
          DIV(null,
              map(function(data) {
                  return DIV({class:'hateb'},
                     IMG({class:'hateb',
                          src:'http://www.hatena.ne.jp/users/' + data.user.slice(0,2) + '/'+ data.user + '/profile_s.gif'}),
                     ' ' + data.user + ' @ ',
                     data.timestamp,BR(),
                     data.comment,
                     A({href: 'http://b.hatena.ne.jp/' + data.user})
                     );
              }, 
              filter(function (b){if (b.comment.length > 0 ){return b;}},json.bookmarks))));
});