protected void iconWarning(Sink sink) {
   sink.figure();
   sink.figureCaption();
   sink.text("warning");
   sink.figureCaption_();
   sink.figureGraphics("./images/icon_warning_sml.gif");
   sink.figure_();
 }
 protected void iconError(Sink sink) {
   sink.figure();
   sink.figureCaption();
   sink.text("error");
   sink.figureCaption_();
   sink.figureGraphics("./images/icon_error_sml.gif");
   sink.figure_();
 }
 protected void iconInfo(Sink sink) {
   sink.figure();
   sink.figureCaption();
   sink.text("info");
   sink.figureCaption_();
   sink.figureGraphics("./images/icon_info_sml.gif");
   sink.figure_();
 }