If you keep getting sent back to the login screen

Session cookies need to be on to use this site, on most machines this is the default action but it
seems Internet explorer (on some machines) blocks the cookies by default, you need to change the options below.
This will not compromise your security in any way.

Enable cookies - Internet Explorer 6/7.x

1. Open Internet explorer
2. Goto Tools/Internet Options.
3. Select the Privacy tab.
4. Under Settings, click Advanced button.
5. Check the box Override automatic cookie handling under Cookies section in Advanced Privacy Settings window.
6. Under First-party Cookies, select Accept or Block
7. Under Third-party Cookies, select Accept. or Block
8. Check the box Always allow session cookies. 'This is the important bit'
9. Click OK.
10. Click OK to exit
re logon and all should by fine sorry for the inconvenience