You can also try a scan converter like this one;http://www.amazon.com/PC-To-TV-Video-Converter/dp/B001CJOLBW/ref=pd_sim_e_4
Watch out for staight adapters, make sure they support the output and input types you need, alot of people complain about adapters when they don't know what they're made for (different signal formats).
Take note of the warning for the adapter in the post above;(*)The Cable Not Support your Computer Monitor Video Port, or Y , Cr, Cb Video. Your Video Source Must Provide a YpbPr Component Video Signal form the DVI-I Video Ports to Use Cable. *****WARNING*****IT WILL NOT ALLOW YOU TO CONNECT YOUR COMPONENT VIDEO SOURCES TO A REGULAR COMPUTER MONITOR OR HDTV unless you monitor specifically has this capability. Most do not. (Please check the documentation for your computer monitor). THIS CABLE WILL NOT ALLOW YOU TO CONNECT YOUR COMPUTER'S DVI PORT TO THE COMPONENT INPUT ON YOUR HDTV unless your video card supports component out function through it's DVI port (please confirm with your video cards documentation before purchasing. Some require adapter, not this cable). ***
ATi came out with 2 different adapters for the old Radeon 9xxx series to account for the two different signal types. Just make sure your TV matches the input requirement.