// ==UserScript==
// @name           DOMParser Example
// @namespace      http://www.dopiaza.org/flickr/greasemonkey/
// @description    DOMParser Example
// @include        http://www.flickr.com/photos/dopiaza/29900246/
// ==/UserScript==

var technoratiAPIKey = 'YOUR-TECHNORATI-API-KEY';

var url = 'http://api.technorati.com/cosmos';
var params = 'key=' + technoratiAPIKey + '&url=' + window.location.href + 
'&limit=100';

GM_xmlhttpRequest(
  {
    method: "GET",
    url: url + "?" + params,
    headers:
    {
        "User-Agent": "Flickr-Technorati-Query"
    },
    onload: function(response) 
    {
      var parser = new unsafeWindow.DOMParser();
      var dom = parser.parseFromString(response.responseText, "application/xml");

      var errors = dom.getElementsByTagName('error');
      if (errors.length > 0)
      {
        GM_log ("Technorati Error:" + errors[0].firstChild.nodeValue);
      }
      else
      {
        var items = dom.getElementsByTagName('item');
        if (items.length > 0)
        {
          for (var i = 0; i < items.length; i++)
          {
            var name = items[i].getElementsByTagName('name')[0];
            GM_log ("Found blog:" + name.firstChild.nodeValue);
          }
        }
        else
        {
          GM_log ('No blogs found');
        }
      }
    },
    onerror: function(response)
    {
      GM_log ("Error:" + response.status + " " + response.statusText);
      GM_log (response.responseText);
    }
  });