One of our users just notified us that our web application works very well through Safari on the iPad (or whatever the default browser is -- I assume Safari). The only thin
As far as I know the iOS doesn't expose a file system to the user, so it wouldn't really make sense for it to be possible to upload files via a web interface. Most of the apps that do exist, sync files through iTunes or something similar.
One approach I've also seen used was for the iOS device to act as a fileserver and enabling you to download files that way. This is how iFile works.
In short, to my knowledge it isn't possible.