Hello I Need some help in implementing the colapsible panel with some css and javascript.

I have 3 headers and when i click on any one of the headers then
I should want that to expand. I can do that by using a DIV tag and showing and hiding that Div tag, but i dont how to implement that Fading affect which
Sites like http://atlas.asp.net/atlastoolkit/Ac...Accordion.aspx have for this Accordian Control.

Is there a way to achieve this fading affect and show hide layers with simple javascript and CSS.

Thanks and Regards