DHTML eXtensions - professional AJAX components for advanced Web UI.
dhtmlxTabbar is a JavaScript tabbar control for creating dynamic tabbed-navigation interface. This Ajax-enabled UI component lets you add feature-rich and nice looking tabs to your site or web application.
The control can be easily initialized on a web page that makes building of DHTML tabbed interface a breeze. Just assign any elements on your page (for example, DIVs) to the tabs of the Tabbar, and it will automatically do all the work for you - the component will switch these elements, displaying them by clicking on the corresponding tab.