Amazon linking problem, can someone help?

I am using Dreamweaver CS4, I can't figure out how to ad a nofollow link to the amazon link.

If Im linking to amazon from my own site how and where do I add the nofollow?

I tried giving 1 space at the end of the link and added rel="nofollow" in the link area but it didnt seem to work.

Thanks in advance for any help you can give.