Modify Image Zoom Script

Avg Bid (USD)
Project Budget (USD)
$30 - $250

Project Description:
I am using the Network Solutions shopping cart which is very closed and I cannot modify the original source files at all.
They have an image zoom script that is used on the product pages which loads the full large sizes of all images on page load and makes the page very large and slow. I want to modify the script somehow to only load the initial display image as well as the thumbnails for the additional images but not the large versions until the thumbnails are clicked on.
See example here:
All sizes of the additional images are loaded.
I want a script that I can put on the page above where the images are loaded that will prevent them from being loaded. I cannot modify the actual image tags themselves. This is a work-around script.

Let me know if this makes sense or if you have any questions.
In your bid, please explain the project back to me so that I know that you understand what I need. Thanks.

Skills required:
HTML, Javascript, jQuery / Prototype
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