code: public HtmlElement findHtmlElementById(String elementId) {
          try {
              return htmlPage.getHtmlElementById(elementId);
          } catch (ElementNotFoundException e) {
              return null;
          }
      }
docs: Returns the {@link HtmlElement} with the given id.
  
  @param elementId id to search for on the HTML page
  @return {@link HtmlElement} with the given id