With jQuery, you can show and hide div. The implementation is really cool. With jQuery you can show and hide with various functions:

• show(”fast”) , show(”slow”), show(400). The 400 is in mili seconds
• hide(”fast”) , hide(”slow”), hide(400). The 400 is in mili seconds
• slideUp()
• slideDown()
• slideToggle()
• fadeIn()
• fadeOut()

You can see the demo here and download the code here.