add: gFocusedDocument = focusedWindow.document; 
context: function contentAreaFrameFocus(){  var focusedWindow = document.commandDispatcher.focusedWindow;  if (isDocumentFrame(focusedWindow)) {    gFocusedURL = focusedWindow.location.href;  }}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/43b170cc653271c7ee59c53c223aaf7f50f2f42d/navigator.js/clean/xpfe/browser/resources/content/navigator.js