rem: var contentFrames = window.content.frames; 
add: var contentFrames = window._content.frames; 
context: function isDocumentFrame(aFocusedWindow){  var contentFrames = window.content.frames;  if (contentFrames.length) {    for (var i = 0; i < contentFrames.length; i++ ) {      if (aFocusedWindow == contentFrames[i])        return true;    }  }  return false;}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/bc19ec331e8559b2ec9d13ec7e047f047a7c0c49/navigator.js/buggy/suite/browser/navigator.js