rv = mWebShellSvc->ReloadDocument( aCharset, kCharsetFromAutoDetection);
rv = mWebShellSvc->StopDocumentLoad(); rv = mWebShellSvc->ReloadDocument( aCharset, kCharsetFromAutoDetection, mCommand[0] ?  mCommand : nsnull);
NS_IMETHODIMP nsMyObserver::Notify(    const char* aCharset, nsDetectionConfident aConf){    nsresult rv = NS_OK;    rv = mWebShellSvc->SetRendering( PR_FALSE);    rv = mWebShellSvc->ReloadDocument( aCharset, kCharsetFromAutoDetection);    return NS_OK;}