WordPress.org

Why waste your time on a trival exercise like this?

This started as a personal programming project - a proof of concept. In the end, I learned a lot about programming in a WordPress environment. (And updated another's very popular plugin to work in 2.5+)

What will visitors not using MSIE6 see?

Nothing. If they were to examine the source of the first web page they visit, they would see the <script> block.