FormData formData = rc.getFormData();
if (formData != null)
{
formData.addNeededValue(XhtmlConstants.EVENT_PARAM);
formData.addNeededValue(XhtmlConstants.SOURCE_PARAM);
formData.addNeededValue(XhtmlConstants.VALUE_PARAM);
formData.addNeededValue(XhtmlConstants.SIZE_PARAM);
}
// Render script submission code.
ProcessUtils.renderNavSubmitScript(context, rc);