in themes/kube/static/js/kube.js [1616:1636]
loadItems: function(i, el)
{
var item = this.getItem(el);
// set item identificator
item.$el.attr('rel', item.hash);
// collect item
this.collectItem(item);
// active
if (item.$parent.hasClass('active'))
{
this.currentItem = item;
this.opts.active = item.hash;
}
// event
item.$el.on('click.tabs', $.proxy(this.open, this));
},