var Fraction = {};

Fraction.showRss = function(url, area, number) {
  if (typeof number == 'undefined') {
    number = 8;
  }
  $.ajax({
    url : url,
    dataType : 'xml',
    success : function(data) {
      var ul = $('<ul />');
      ul.appendTo(area);
      var items = data.getElementsByTagName('item');
      for (var i = 0; i<items.length && i<number; i++) {
        var item = items[i];
        var li    = document.createElement('li');
        var link  = item.getElementsByTagName('link')[0].firstChild.nodeValue;
        var title = item.getElementsByTagName('title')[0].firstChild.nodeValue
        var text = '<li><a href="'+link+'">'+title+'</a></li>'
        ul.append(text);
      }
    }
  });
};