[jQuery] how to change a div

[pooks]

I have spent over and about 20 hours with a simple question. I have
div and links inside the div and I need to change the div from links
to another divs and then be able to return to the first div with a
link... I have tried to make this from ten different tab menus, ajax,
jqueries and what not tutorials and I just can't find the answer. If
someone here can help me please do! many thanks!