JS: Why does this page keep hitting server?

Can you please tell me what's wrong with my JavaScripts, or my
implementation of them, that makes the page keep hitting the server?

The page in question is the corporate page
http://www.scanalytics.com/webtest/product.html.  The functions it uses
are in http://www.scanalytics.com/resources/Animate.html. The
JavaScript is supposed to preload 5 images and then alternate the
images being used as the source by the central image tag.

This all works fine when the script in the < Head> calls the
PreloadAnimation function, and when a script after the image tag calls
the Animate function. However, I changed the script to preload and
animate after the page finished loading, so as not to slow page
loading. Now the browser calls the server before every image, and I
can't figure out why. 

Help, please?
--complex

=====
Michael Greisman
Webmaster
Scanalytics, Inc.

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