NS_IMETHODIMP nsCharsetMenu::DoCommand(nsISupportsArray* aSources, nsIRDFResource*   aCommand, nsISupportsArray* aArguments)
NS_METHOD nsMenuItem::DoCommand()
NS_IMETHODIMP nsCharsetMenu::DoCommand(nsISupportsArray* aSources,                                       nsIRDFResource*   aCommand,                                       nsISupportsArray* aArguments){  NS_NOTYETIMPLEMENTED("write me!");  return NS_ERROR_NOT_IMPLEMENTED;}