Snake Doctor

Does using J A V A S C R I P T to preload images on a tour page help the speed of the tour?

I have a tour that converts really good, only problem is its a pretty heavy page and I'm thinking a lot of dial up users might be backing out before the pages load.

Would using the pre-load help keep these surfers on the page longer? And does anyone have the code for this that I could cut and paste?

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