code: public static String defaultHelpHtml(String helpId, String helpText) {
  
          StringBuffer html = new StringBuffer(1024);
          if (CmsStringUtil.isNotEmptyOrWhitespaceOnly(helpText)) {
              html.append("<div class='help' id='help");
              html.append(helpId);
              html.append("' onMouseOut=\"hMH('");
              html.append(helpId);
              html.append("');\">");
              html.append(helpText);
              html.append("</div>\n");
          }
          return html.toString();
      }
docs: Generates html for the helptext when having one helptext for several buttons.<p>
  
  @param helpId the id of the help text
  @param helpText the help text
  
  @return html code