there is an updated tutorial for creating a multiple insert page here:
http://www.webassist.com/community/tutorials/view_tutorial.php?tid=210&RID=5&SID=130513_inserttut
but i am not aware of an updated tutorial for a eCart.
Your friends over here at WebAssist! These Dreamweaver extensions will assist you in building unlimited, custom websites.
These out-of-the-box solutions provide you proven, tested applications that can be up and running now. Build a store, a gallery, or a web-based email solution.