+ <xs:element name="border" type="obt:color" minOccurs="0"/>
+ <xs:element name="label" type="obt:textarea" minOccurs="0"/>
+ <xs:element name="background" type="obt:area" minOccurs="0"/>
+ <xs:element name="hilight" type="obt:area" minOccurs="0"/>
+ <xs:element name="unhilight" type="obt:area" minOccurs="0"/>