code: public String buttonBarSpacer(int width) {
  
          StringBuffer result = new StringBuffer(128);
          result.append("<td><span class=\"norm\"><span unselectable=\"on\" class=\"txtbutton\" style=\"width: ");
          result.append(width);
          result.append("px;\"></span></span></td>\n");
          return result.toString();
      }
docs: Returns the html for an invisible spacer between button bar contents like buttons, labels, etc.<p>
  
  @param width the width of the invisible spacer
  @return the html for the invisible spacer