<xs:attribute name="end" type="xs:int" use="required" />
<xs:attribute name="id" type="xs:string" use="required" />
<xs:attribute name="hidden" type="xs:boolean" />
+ <xs:attribute name="viewreference" type="xs:boolean" use="optional"/>
</xs:complexType>
</xs:element>
<xs:element name="JGroup" minOccurs="0" maxOccurs="unbounded">