<?xml version="1.0" encoding="UTF-8" ?>
<wicket:panel xmlns:wicket="http://wicket.apache.org">
    <div style="margin: 1em">
        This is panel content! 
        <p>
            Date text field to demonstrate AJAX header contribution <span wicket:id="dateTimeField"></span>
        </p>
    </div>
</wicket:panel>