rem: getService: function (aProgID, aIID) 
add: getService: function (aContractID, aIID) 
context:   getService: function (aProgID, aIID)    {      try        {          var iid = Components.interfaces[aIID];          return Components.classes[aProgID].getService(iid);        }      catch(e)        {        }        return null;    },
meta: 5459	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5459/0257791053c2b38e1dfaf2ee11afae973e82e394/nsJSComponentManager.js/buggy/xpfe/global/resources/content/nsJSComponentManager.js