[Mailman-Users] Accessing Mailman webpages

[info at mi-harness.com]

Hello,
          I'm hoping somebody might help and I apologize for cross posting.

I have three lists which are run via the Mailman software through my webhost.
One of the lists ( http://64.21.80.14/mailman/listinfo/standardbreds_mi-harness.com ) info page.

My browser is IE 5.0 with Cookies enabled, although I've had some other security options set for some time. ALL this worked as designed until the recent design change in the Mailman webpages.
 After that, although I may enter the entry page, I'm unable to log in. 
The result (as best as I can describe,) is near a 404 page without actually being a 404 error.

I am able to access my lists administration on another computer with IE 6.0

I"m hoping it's possible to determine what changes were made in the page design which prevent my administrational access with IE 5.0, since updating browsers is not a real option.
 If I may determine the settings change, I might be able to correct the problem.

Thanks in advance for your assitance.   
 
                    Best          Don