how to flip the panel it self

[gakaki]

just want show the effect for the user

click a button than the panel will be flip,so when fliped off
the panel is same just show a effect.

using the setactiveitem can not fire it.

[gakaki]

Ext.Anim.run(Ext.getCmp('panelComponentId'), 'flip', { out: false,
autoClear: true
});

it will be flip it.