dhtmlxTabbar - Ajax-enabled JavaScript Tab Control

dhtmlxTabbar is a cross-browser JavaScript tabbar control that helps to create dynamic tabbed navigation interface. This control lets you add smart-looking tab bar to your site or web application. The tab bar can be easily initialized on a web page without using JavaScript and totaly configured to meet any look and feel requirements. Different tabs orientation is supported: left, right, top or button. You can place various content within tab pages and build intuitive tabbed navigation interface. The tab content can be displayed in IFrames or dynamically loaded on demand with the aid of Ajax. dhtmlxTabbar allows you to easily create multiline or scrollable tabs. Different predefined styles are available. dhtmlxTabbar is free for non-commercial use. Source code is available.