YUI tabview : get active index when change

// from cheetsheet
var tab = new YAHOO.widget.TabView('some-tab');
tab.addListener('activeTabChange', function(o){
    var index = this.getTabIndex(o.newValue);
    console.log(index);
})

  var tabInit = function() {
    var archiveTab = new YAHOO.widget.TabView('archive-tab');
    var match = window.location.href.match(/type=([^&#]*)/);
    var type = match ? match[1] : 'blog';

    archiveTab.set('activeIndex',
      YAHOO.lang.substitute('{' + type + '}', {
        'blog':0, 'album':1, 'video':2
      })
    );

    archiveTab.on('activeTabChange', function(o){
      window.location.type = o.newValue.getElementsByTagName('a')[0].type;
    });

  }; // tabInit