From the Google Scholar blog :
"We've made several adjustments based on feedback from the legal search user survey...You can limit your search to specific jurisdictions by clicking in the sidebar of the search results page instead of navigating through advanced search. You can print legal cases in a cleaner, more streamlined format using the "Print" option in your browser.
We've also clarified the ... settings page by organizing it into sections, performed a minor facelift on pages that deal with configuration of email alerts, and next we'll be working on updating the author profile pages and help pages.
As announced last summer, we're unable to continue supporting older and infrequently used versions of Firefox (<3.6) and Internet Explorer (<7)....
If you don't like our new modern look, or simply prefer to wait a little longer before switching, you can temporarily revert to the old venerable look. ...
If you're wondering why you're still seeing the old look, that's probably because we're gradually rolling out the new look to all users. But you don't have to wait. You can beat the crowds and upgrade right away."