Our projects requires using both virtual scrolling along with a fixed header. Jaimon Mathew's script (see below) appears perfect, but I am unsure how you can determine when the foot of the div (produced via JavaScript) is arrived at. Can anybody assist?

This is a connect to among his demos: http://blog.jaimon.co.uk/datascroller/fxHeader_0.6.html

JS script link: http://blog.jaimon.co.uk/datascroller/fxHeader_0.6.js