windows-server-2003/admin/pchealth/sr/shell/marsui/srframe.xml

<Mars_App>
   <!-- the "Panels" tag contains all panels that will be created initially -->
   <Panels>
      <!-- here's our cool DHTML dynamic content -->
      <Panel PanelType="Trident" Trusted="true">
         <Name>Contents</Name>
         <Layout>
            <Position>Window</Position>
         </Layout>
         <StartUrl>res://rstrui.exe/start.htm</StartUrl>
      </Panel>
   </Panels>
   <!-- places describes which panels are initially made visible -->
   <Places>
      <Place>
         <Name>Web</Name>
         <PlacePanel DefaultFocusPanel="true">
            <Name>Contents</Name>
         </PlacePanel>
      </Place>
   </Places>
</Mars_App>