cre loaded single page checkout problem (Dynamo Checkout)

I have a CRE-loaded (6.2) cart that is using one-page checkout (made by Dynamo Checkout).

Everything works except for one thing:

A purchase made with Paypal needs to be redirected to the [url removed, login to view] website so that payment can be made.

When a purchase is made with Explorer or Safari, the user is properly redirected to paypal.

Whan a purchase is made with firefox, the screen hangs (and the user is never redirected to [url removed, login to view]).

I need an oscommerce/CRE expert to look at this and fix it. The URL of the site in question can be seen here: [url removed, login to view]

To test it -- just throw something in your cart and try to pay using paypal.

I will put 100% of the winning bid in escrow as soon as I award the project. I have a feeling that it will be a quick fix for someone who know what they are looking at. I am looking to pay around $50 for this.

CRE Loaded OSCommerce

Projekt-ID: #815993

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