index.txt 

this file (index.txt) defines which files are shown for download

if there is no index.txt it will be created!!! 
(if 'chmod 777 Downloads' is set)

You may write short descriptions for file names later into index.txt
(max position 80 for each line)

e.g.

filexy.zip   type here a description
fileyy.zip   description....
...

