add: } 
context:   QueryInterface : function(aIID)  {    if (aIID.equals(Components.interfaces.nsIWebProgressListener) ||        aIID.equals(Components.interfaces.nsISupportsWeakReference))      return this;    throw Components.results.NS_NOINTERFACE;  },
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/f1ea69808eba776b979a2ce0c73a36e2555cdc76/mini-nav.js/buggy/embedding/browser/chrome/content/mini-nav.js