I for some stupid reason, I grabbed my "I-Tunes" folder from "My Music" and slid it on to my Decktop! Then I went to my I-Tunes icon and I-Tunes is blank! OMG! How dumb was I!

Ok, I will not do it again, but how do I get it all back?
It is all still on my I-Pod, but I am afraid to sync them thinking it will erase my I-Pod!
I did not know that "I-Tunes" needs to be in "My Music".
Help!