If you have problems logging in to the new AUCS website due to cookie problems, the following should assist in restoring the default cookie settings in Internet Explorer and get you going...

First, open up Internet Options... under the Tools menu.
Now click the Security tab...

Figure 1: Internet Options - Security Tab

Make sure you've got Internet zone selected, Click on Custom Level...:

Figure 2: Internet Options - Custom Level

Ensure you have Medium selected in the Reset to: box, and click on Reset...

Figure 3: Internet Options - Security Tab

Click Yes , close all those windows, and try logging in again...