Tabbed panels are great space savers and are often used in large sites for product descriptions so that vistors can see all the info without having to scroll around or follow links.
The individual panel content is created on satellite pages and inserted into the tabs container using iframes. This means that there is no code involved in creating the actual panel contents.
The instructions for setting up the tab container along with the necessary styles and scripts are all in the demo tab...
The MORE section of the Widgetbox website includes a widget to make creating tabs a lot easier.