Zero Weight Skips Shipping

for osCommerce Online Merchant v2.2

I run a highly modified cart and have both shipping and download products. I am not using attributes or the download mod (products require registration, no need to protect the download files). Anyway, after searching the boards here without finding an answer and then a bit of head scratching I realized a simple mod could make orders that have a zero weight (ie, all products were download only) skip the shipping page. Since I had not found this answer in my search I thought I'd post my solution for others. NOTE: this contribution will cause orders in which all products have no weight to SKIP THE SHIPPING PAGE. This is intentional; it's the goal and only purpose of this contribution :) Possible uses for this contribution are for download product, a donation website, or any other sales where there is nothing to ship and so no shipping information is required. This removes a step in the checkout process for these customers, which is always a good thing. The support forum is: http://forums.oscommerce.com/index.php?showtopic=105056

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