<script><![CDATA[
zk.afterLoad('zul.tab', function() {
 var xTabpanel = {};
 zk.override(zul.tab.Tabpanel.prototype, xTabpanel ,{
 _sel: function (toSel, animation) { //don't rename (zkmax counts on it)!!
 var tabbox = this.getTabbox();
 if (!tabbox) return; //Bug ZK-1808 removed tabpanel is no longer in hierarchy, and cannot be removed
 var accd = tabbox.inAccordionMold();
 
 if (accd && animation) {
 var zkp = zk(this.$n('cave'));
 if (toSel) {
 /* ZK-1441
 * When a tabpanel is animating, set tabbox.animating
 * to block other tabpanels enter _sel().
 * Reference: _sel() in Tab.js
 */
 tabbox._animating = true;
 zkp.slideDown(
 this,
 {'afterAnima': function () {delete tabbox._animating;zWatch.fire('onRestore', null);}}
 );
 } else {
 zkp.slideUp(this);
 }
 } else {
 var $pl = jq(accd ? this.$n('cave') : this.$n()),
 vis = $pl.zk.isVisible();
 if (toSel) {
 if (!vis) {
 $pl.show();
 // Bug ZK-1454: Scrollbar forgets its position when switching tabs in Tabbox
 if (zk.ie8 || zk.webkit)
 $pl.scrollTop(this._lastScrollTop);
 zUtl.fireShown(this);
 }
 } else if (vis) {
 zWatch.fireDown('onHide', this);
 // Bug ZK-1454: Scrollbar forgets its position when switching tabs in Tabbox
 if (zk.ie8 || zk.webkit)
 this._lastScrollTop = $pl.scrollTop();
 $pl.hide();
 }
 }
 }
 });//zk.override
});//zk.afterLoad
]]></script>