Sandra,

I don’t have an iPod, but I found a couple of things that may be of use to you. First, a program that says it can "Transfer music and video from any iPod back onto any Windows computer. You can also transfer tunes and movies from your PC onto any iPod."

http://www.easyipodtransfer.com/ipod-to-itunes-transfer?gclid=CNK9pYX_-akCFQWA5QodhgHLZA

And a forum:

http://forums.ilounge.com/third-party-software-mac-pc/71344-reverse-sync-ipod-pc.html

Hope this helps.