Navigation has to be performed by a script.
To add navigation to the XML Data Island, create a script that calls the movenext() and moveprevious() methods of the Data Island.
<script type="text/javascript">function movenext(){x=xmldso.recordsetif (x.absoluteposition < x.recordcount) { x.movenext() }}function moveprevious(){x=xmldso.recordsetif (x.absoluteposition > 1) { x.moveprevious() }}</script>
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With a little creativity you can create a full application.
If you use what you have learned on this page, and a little imagination, you can easily develop this into a full application.