When I edit a product in the admin area of Magento I can select to edit the product for the global scope or for any of the store scopes. I would like to edit the product for a website scope.
Is there some trick/ code/ extension which enabled editing products on the website scope?
Nope, no trick, unfortunately. Magento stores all product data on the store level underneath, so that's why you're only able to edit on the global or store level.
A solution without customization is to make your attributes website scope. That way, when you edit them on one of the store levels under website A, the update will apply to all stores under website A.
