code: protected String createWidgetBlockStart(String headline) {
  
          StringBuffer result = new StringBuffer(16);
          result.append(dialogBlockStart(headline));
          result.append(createWidgetTableStart());
          return result.toString();
      }
docs: Create the complete widget dialog start block HTML that begins a widget block with optional headline.<p>
  
  @param headline the headline String for the block
  
  @return the complete widget dialog start block HTML that begins a widget block with optional headline