<?xml version='1.0' encoding='utf-8'?>

<xs:schema
  	elementFormDefault="qualified"
  	attributeFormDefault="unqualified"
  	xmlns:xs="http://www.w3.org/2001/XMLSchema"
  	>

  <xs:simpleType name="interactivity_Enum">
    <xs:union>
      <xs:simpleType>
        <xs:restriction base="xs:normalizedString">
          <xs:whiteSpace value='collapse'/>
           <xs:enumeration value='Browse'/>
           <xs:enumeration value='Exhibit'/>
           <xs:enumeration value='Interactive learning objects'/>
           <xs:enumeration value='Search'/>
           <xs:enumeration value='Site map'/>
      	</xs:restriction>
      </xs:simpleType>
    </xs:union>
  </xs:simpleType>
</xs:schema>