function buildContent (blog) {
  if (!blog || !blog.items) return;
  var container=document.getElementById("container");
  var code="";
  for (var i = 0; i < blog.items.length; i++) {
    var item = blog.items[i];
    code=code+"<a href='"+item.alternate.href+"' target=_blank>"+item.title+"</a> from <a href='"+item.origin.htmlUrl+"' target=_blank>"+item.origin.title+"</a><br /><br />";
  }
  container.innerHTML=code;
}