anybody got a way of having a loading bar on a preload page?

if you go to my site (http://dave-mania.co.nr) you'll see that i have a loading page and a loading thingie but i need a bar that shows the actual percentage of my page loading (i have loadsa pics on my nav bar so it takes a while)

thx ppl

http://www.dynamicdrive.com/dynamicindex4/preloadimage2.htm
http://www.dhtmlshock.com/other/ProgressBar/default.asp