closing tabs

[mic010]

i want to closed the tabpanel ..
but I can't .who can tell me ???


var TabsExample = {
init : function(){
var jtabs = new Ext.TabPanel('jtabs');
var tab1=jtabs.addTab('jtabs-1', "aaaa");
var updater = tab1.getUpdateManager();
updater.setDefaultUrl('../product/productList.do?method=productList&type=0');
tab1.on('activate', updater.refresh, updater, true);

var tab2 = jtabs.addTab('jtabs-2', "bbbb");
var updater = tab2.getUpdateManager();
updater.setDefaultUrl('../product/List.do?type=1');
tab2.on('activate', updater.refresh, updater, true);

var tab3 = jtabs.addTab('jtabs-3', "ccccc");
var updater = tab3.getUpdateManager();
updater.setDefaultUrl('../product/tList.do?type=2');
tab3.on('activate', updater.refresh, updater, true);
jtabs.activate('jtabs-1');

},
Test:function(){
var jtabs = new Ext.TabPanel('jtabs');
var tab1=jtabs.addTab('jtabs-1', "aaaaaaa");
var updater = tab1.getUpdateManager();
updater.setDefaultUrl('../product/List.do?type=0&ec_p='+pageNum);
tab1.on('activate', updater.refresh, updater, true);

var tab2 = jtabs.addTab('jtabs-2', "bbbbb");
var updater = tab2.getUpdateManager();
updater.setDefaultUrl('../product/List.do?type=1&ec_p='+pageNum);
tab2.on('activate', updater.refresh, updater, true);

var tab3 = jtabs.addTab('jtabs-3', "ccccc");
var updater = tab3.getUpdateManager();
updater.setDefaultUrl('../product/List.do?type=2&ec_p='+pageNum);
tab3.on('activate', updater.refresh, updater, true);

jtabs.activate('jtabs-1');
}

}
/**
* How can I do when when the tabExample.Test function can closed (the TabsExample.init())
*/
function gotoPage(jumpForm,page){
pageNum=page;
Ext.EventManager.onDocumentReady(TabsExample.Test, TabsExample, true);
}
Ext.EventManager.onDocumentReady(TabsExample.init, TabsExample, true);

who can help me ???:((:((:((:((:((:((:((