How to make a preloader?

[Luke]

Does anyone know how to make two types of preloaders?

1. It loads all the images when you go to the URL (main site).
2. It loads when you click a linka nd it loads into an iframe. (On this i would like to have it say "Loading.. and then a GIF"

I'll +rep to help


Many Thanks
Luke

[Decode]

http://www.roscripts.com/Javascript_image_preloader-111.html