hey,
now you have ecommerce solutions that will help you make your ecommerce website from scratch! so you dont have to worry about embedding a shopping cart code or which language to use.
check out zepo.in (Set-up your Shop Online in next 5 Minutes! Try for Free! :: ZEPO). they are an ecommerce solution that help you create your own webiste. and they give you the expertise you need regarding integrated payment gateways, distribution channels, etc. the team is very receptive and communicative and they make setting up an ecommerce website sound like cake walk. You should seriously consider giving them a try. do let me know if you do.
i hope this helps in some way.