Fire onClose event shall not select next tab automatically

<zk>
<zscript><![CDATA[
public void doClose(Event event) {
Tab tab = (Tab) event.getTarget();
Messagebox.show("Delete?", "Prompt", Messagebox.YES | Messagebox.NO,
Messagebox.QUESTION, new EventListener() {
public void onEvent(Event evt) {
if (Messagebox.YES == ((Integer) evt.getData())
.intValue()) {
tab.close();
}
}
});
event.stopPropagation();
}
]]></zscript>
<tabbox>
<tabs>
<tab label="tab1" closable="true" onClose="doClose(event);" />
<tab label="tab2" closable="true" onClose="doClose(event);" />
<tab label="tab3" closable="true" onClose="doClose(event);" />
</tabs>
<tabpanels>
<tabpanel>Tab1</tabpanel>
<tabpanel>Tab2</tabpanel>
<tabpanel>Tab3</tabpanel>
</tabpanels>
</tabbox>
</zk>