public AuthenticationScreen( String host, String domain ) {
super( Dialog.D_OK_CANCEL, loginMessage( host ), 1, Bitmap.getPredefinedBitmap( Bitmap.QUESTION ), Manager.FOCUSABLE );
usernameField = new EditField( "User Name: ", "", 50, EditField.EDITABLE );
domainField = new EditField( "Domain: ", domain != null?domain:"", 50, EditField.EDITABLE );
passwordField = new PasswordEditField( "Password: ", "", 50, EditField.EDITABLE );
cancelled = false;
add( usernameField );
add( domainField );