conecct pc to tv speakers?

does anybody know which wires i need to coneect my pc to my tv speakers via the red and white sockets?

3.5mm to RCA audio cable. Black to your PC's sound card and red&white to TV. Check link below for more info.

http://store.a2zcable.com/avb47-3.html


http://us.st11.yimg.com/us.st.yimg.c..._1987_41476022

thanks alot svr