ResponseWriter writer = context.getResponseWriter();
// mock table/tr enclosing tags must be rendered for IE8 to process the button's td tag properly
writer.startElement("table", table);
writer.startElement("tr", table);
button.encodeAll(context);
writer.endElement("tr");
writer.endElement("table");
PopupMenu columnMenu = (PopupMenu) component;
columnMenu.setStandalone(true);