This textarea should show 4 rolodex lines and some #text node junk. You should not (but might) get this error inyour js console: Error: [Exception... "'Permission denied to get property NodeList.length' when calling method: [nsIDOMEventListener::handleEvent]" nsresult: "0x8057001e (NS_ERROR_XPC_JS_THREW_STRING)" location: "" data: no] Yeah, I know it's not pretty