What do I need to hook my laptop up to my home theater system?

Question

And how much does it cost?

Answer 1

One audio and one video cable. They are about £5 each.

Answer 2

Video:

VGA Cable or SVideo -TV and Laptop needs to have either Svideo connection or VGA  most likely will be Svideo..cables are cheap

http://en.wikipedia.org/wiki/S-Video

Audio:

Need an 1/8" audio to (red/white) composite....Connect the 1/8" end to the  audio jack on the laptop to connect via Composite (red and white)

http://www.circuitcity.com/ccd/productDe...

Oh and this cost me like 20 Canadian dollars at most to set up.