rem: var focusedTop = Components.lookupMethod(aFocusedWindow, 'top') .call(aFocusedWindow);  return (focusedTop == window.content); 
add: return (aFocusedWindow.top == window.content); 
context: function isContentFrame(aFocusedWindow){  if (!aFocusedWindow)    return false;  var focusedTop = Components.lookupMethod(aFocusedWindow, 'top')                             .call(aFocusedWindow);  return (focusedTop == window.content);}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/d953705f0891e974fe315e3d73465ce0d5f38087/contentAreaUtils.js/clean/toolkit/content/contentAreaUtils.js