add: } 
context:   QueryInterface : function(aIID)  {    if (aIID.equals(Components.interfaces.nsIWebProgressListener) ||        aIID.equals(Components.interfaces.nsISupportsWeakReference))      return this;    throw Components.results.NS_NOINTERFACE;  },
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/380b2ab5109dad6f8ae8cc17889ceb7a1baf6c58/mini-nav.js/buggy/embedding/browser/chrome/content/mini-nav.js