Live OPAC search terms display

Another shameless hack inspired by the “Making Visible the Invisible” at SPL.
I’ve tweaked HIP to cache keyword search terms and then put together a couple of pages that display successful searches (in tasteful shades of purple and lilac) and failed searches (in gruesome greens). 
IE has a nice CSS blur, so I’ve coupled that with Ajax to provide a constantly updating web page where new terms appear at the front and then drop slowly to the back, becoming more and more blurred and darker as they recede (click to view full size versions):