ContentItemField field = (ContentItemField) _itemFields.get(key + getLocaleIdAsString());
ContentItemField field = (ContentItemField) _itemFields.get(key + getLanguage());
	public ContentItemField getItemField(String key) {		if (_itemFields == null) {			_itemFields = new HashMap();		}		ContentItemField field = (ContentItemField) _itemFields.get(key + getLocaleIdAsString());		return field;	}