Virtuemart adaptation at checkout step Shipping method

Hi all, I am looking for a freelancer to realize an adaptation of virtuemart checkout process (under joomla 1.5.9). During the checkout, we need the client to give some information according to the Shipping method used. The solution can be flexible. As the formulaire (to get the information) can be on the same page as the choice of shipping method or on a different page. To make it clearer, what I am looking for is as follow: Step 1 in checkout - Choice of Shipping method Two choices: A or B Step 2 in checkout - Shipping address If it is Shipping method A, we need to get the delivery address (always different from billing adress) with information 1, 2, 3, 4, 5, 6 (to be given when agreed on the project). If it is Shipping method B, we need to get information 7, 8 ,9 , 10. Step 2 and step 1, can be integrated together as follow: Radio buton: Shipping method A Formulaire asking for infos 1, 2, 3, 4, 5, 6 Radio buton: Shipping method B Formulaire asking for infos 7, 8 ,9 , 10. I am available for extra information if needed. Bets regards, Cyril K.