<!ELEMENT RepositoryObject (Title, Description, InternalLink, GotoLink,StructureObjects)>
<!ATTLIST RepositoryObject
	obj_id CDATA #REQUIRED
	ref_id CDATA #REQUIRED
	type CDATA #REQUIRED
>

<!ELEMENT StructureObjects (StructureObject*)>

<!ELEMENT StructureObject (Title, Description, InternalLink, GotoLink,StructureObjects)>
<!ATTLIST StructureObject
	obj_id CDATA #REQUIRED
	type CDATA #REQUIRED
>
<!ELEMENT Title (#PCDATA)>
<!ELEMENT Description (#PCDATA)>
<!ELEMENT InternalLink (#PCDATA)>
<!ELEMENT GotoLink (#PCDATA)>