If your OS is XP - use one from my signature.
I found this program more usable, than more complicated other programs.
It is fast,very simple in use, and does job of deleted file recovery well.
Just do it immediately, because when you deleted file just now, information is still on disk;
However, the probability of complete information restoration decreases. with time.
For example, if just after delete, you can restore 99.9999% of files deleted, after one hour of work it can be 90%, and after two 86, and so on.