Recovering hard drive files

[Allieso]

Hi all;

I have a divx reader with hard disk connected by a wireless network to my PC:

while I was renaming some folders the network went down and the folders

become files, so now are unreadable.

Now, when I connect the network drive, in the left column I have 8 folders

(instead of the 10 that I had before) and two files of 0kb.

Before this problem these two files were two folders containing hundreds of

files.

How can I restore them? remember that I don't have a physical access to the

drive, only by network.

Thank you