Here you go...
<?xml version="1.0" encoding="UTF-8"?>
<xp:view xmlns:xp="http://www.ibm.com/xsp/core">
<xp:this.resources>
<xp:styleSheet href="/datePicker.css"></xp:styleSheet>
<xp:styleSheet href="/jquery-ui-1.8.6.custom.css"></xp:styleSheet>
</xp:this.resources>
<xp:br></xp:br>
<xp:inputText id="inputText1" styleClass="date-pick"></xp:inputText>
<xp:br></xp:br>
<xp:br></xp:br>
<xp:scriptBlock id="scriptBlock1">
<script type="text/javascript" src="jquery-1.4.2.min.js" />
<script type="text/javascript" src="jquery.datePicker.js" />
<script type="text/javascript" src="date.js" />
<script type="text/javascript"
src="jquery-ui-1.8.6.custom.min.js" />
<script type="text/javascript">
$(document).ready(function(){
Date.format='dd/mm/yyyy';
$('.date-pick').datePicker();
});
</script>
</xp:scriptBlock>
</xp:view>