There is a small problem for any developer that using jQuery UI tabs (tested on jQuery 1.8.2 and jQuery UI 1.9.2). Your website or exactly the jQuery tabs on you website may be not work. It create tab anchors (tab title) right, but nothing occur when user click it because the tab content panels do not load exactly by the way it should be.
The problem is the <base> html tag on your website. If you website using <base> tag example: