// Add these needed values at most once per page
fData.addNeededValue(XhtmlConstants.EVENT_PARAM);
fData.addNeededValue(XhtmlConstants.SOURCE_PARAM);
if (partial)
fData.addNeededValue(XhtmlConstants.PARTIAL_PARAM);
}
// And add this needed value if it ever comes up
if (valueValue != null)
fData.addNeededValue(XhtmlConstants.VALUE_PARAM);