rem: return Components.classes[aID].getService(iid); 
add: return Components.classesByID[aID].getService(iid); 
context:   getServiceByID: function (aID, aIID)      {      try        {          var iid = Components.interfaces[aIID];          return Components.classes[aID].getService(iid);        }      catch(e)        {        }    }
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/60b8aea32533c1f27834b3717405c52c71c16e36/nsJSComponentManager.js/clean/xpfe/global/resources/content/nsJSComponentManager.js