code: public String buttonBarLabel(String label, String className) {
  
          StringBuffer result = new StringBuffer(128);
          result.append("<td><span class=\"");
          result.append(className);
          result.append("\"><span unselectable=\"on\" class=\"txtbutton\">");
          result.append(key(label));
          result.append("</span></span></td>\n");
          return result.toString();
      }
docs: Generates a button bar label.<p>
  
  @param label the label to show
  @param className the css class name for the formatting
  
  @return a button bar label