<zk>
	<button label="showPage">
		<attribute name="onClick"><![CDATA[
			drillList.getChildren().clear();
			for (int i = 0; i < 2; i++) {
				Listitem li = new Listitem();
				li.appendChild(new Listcell("trackName " + i));
				drillList.appendChild(li);
			}
			pages.setSelectedIndex(1);
		]]></attribute>
	</button>
	<tabbox id="pages" hflex="1" vflex="1">
		<tabs height="0px">
			<tab />
			<tab />
		</tabs>
		<tabpanels>
			<tabpanel></tabpanel>
			<tabpanel>
				<listbox id="drillList" height="500px" />
			</tabpanel>
		</tabpanels>
	</tabbox>
</zk>