<zk>
<label multiline="true">
1. Scorll to bottom and select last listitem
2. Click "Unload tabbox" button
3. Click "Back" button.
Excepted: scroll to selected listitem
Actual: not scroll to selected listitem (happened to Firefox and IE, chrome works fine)
</label>
	<window id="win" border="normal" title="hello" apply="demo.ScrollIntoViewComposer">
		<button label="Unload tabbox" id="btn1" />
		<button label="Back" id="btn2" />
		<tabbox id="tabbox1">
			<tabs>
				<tab label="tab1" />
			</tabs>
			<tabpanels>
				<tabpanel>
					<listbox id="fileList" height="200px" mold="paging" pageSize="10">
						<custom-attributes org.zkoss.zul.listbox.rod="true"/>
						<listhead sizable="true">
							<listheader label="Col 1" width="150px" />
						</listhead>
					</listbox>
				</tabpanel>
			</tabpanels>
		</tabbox>
	</window>
</zk>

public class ScrollIntoViewComposer extends SelectorComposer<Window> {

	@Wire
	private Window win;
	@Wire
	private Tabbox tabbox1;
	@Wire
	private Listbox fileList;

	public void doAfterCompose(Window comp) throws Exception {
		super.doAfterCompose(comp);
		ListModelList<String> model = new ListModelList<String>();
		for (int i = 0; i < 200; i++)
			model.add("" + i);
		fileList.setModel(model);
	}
	
	@Listen("onClick = #btn1")
	public void unload() {
		tabbox1.detach();
	}
	
	@Listen("onClick = #btn2")
	public void back() {
		tabbox1.setParent(win);
	}
}