I would suggest that if you have everyones different os to worry about and and the dream weaver version and so on. Maybe it is time to set up a server to work everything from there so it would not require you to make a please everyone that would be done right on the server level when you login to secure area it would recognize your software and you would go on from there. I know your saying all these people use valuable
web space. Hey I got a idea I have a 100 gigs I never use lets talk.