39265 Shopping cart, multiple cards

I need a shopping cart that will take more than one credit card at a time to purchase a single higher ticket item online. Presently online transactions involve only a single card. I am opening a site for giving travel online using visa gift cards, and the model has broken down at this one sticking point. Most visa gift cards given will not be for the full amount of the purchase, and it is likely that a quanitity of such cards (say for a bride and groom) will be redeemed at one time. Using multiple cards is a must. This can be done with existing techologies. In one example, the customer information can be place at the top of the form, below it would be the information for the first card and the dollar amount to be unloaded, below that card the information and amount for the second and so on. The cards would then be processed individually, the sums of the approvals added, and the purchase could move forward. Should a particular card not be approved, none of the transactions would be approved until a card is entered that will go through for the requested amount. I will make my money when I sell travel. This shopping cart will be used by a major travel provider which you have already heard of and know. I am hoping that they will be able to add more to the project if more capital is required. Feedback appreciated!