kingsley2

<strike>Simpsons</strike> Microsoft did it: (pdf) http://research.microsoft.com/users/kenh/papers/TaskGallery....

It even looks almost exactly the same.

Microsoft Script Editor (if you primarily need JavaScript debugging). Unfortunately, it's bundled with MS Office - go figure. http://www.jonathanboutelle.com/mt/archives/2006/01/howto_de...