Add CIM (save credit card) to existing Authorize.net Checkout - ASP

We currently use AIM (Advanced Integration Method) for checkout with Authorize.net. Our checkout page is coded in classic ASP. We would like to allow our customers to Save Credit Card information for future orders. This requires the [login to view URL] CIM ([login to view URL]) CIM would need to be integrated seamlessly into our current checkout process. Sample code can be found here: [login to view URL] Need someone familiar with [login to view URL] Integration, Classic ASP.