jquery-easyui closes the tab and automatically switches to the previous tab_jquery

var lastTabs = new Array();
$(function( ) {

/*
* cdh 2010.0630 added, used to return to the last tab page
*/
$('#mainTabs').tabs({
onSelect: function (tt) {
//Remove tt
lastTabs = $.grep(lastTabs, function(n, i) { return n != tt; });
//Push again to ensure the latest on top
lastTabs.push(tt);
//Update current
currentTabTitle = tt;
},
onClose: function(tt) {
//Remove tt
lastTabs = $.grep(lastTabs, function(n, i) { return n != tt; });
//Reselect
$('#mainTabs').tabs('select ', lastTabs[lastTabs.length - 1]);
}
});
});