// ==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);
      }
    });