New answers tagged confirmation
It's not recommendable to use the word Cancel in pop-up/alert boxes. You could use another wording like close or quit. You have several good combinations for the buttons, here is just one (for example, you could change Cancel for "No, stay"): download bmml source – Wireframes created with Balsamiq Mockups In the case you decide to use it, you ...
Just change the text of the button to 'Add Another' or 'Add More' to indicate user has already bought this item and he can add more such items if he prefers. I think ebay or amazon has this type of shopping cart.
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