Create sales order from web

Hi

One requirement from client, he wants his customers to create a sales order and post it from web, which is the right application to do it. (sharepoint or web client). if its sharepoint which credentials are required for the user to access the sharepoint site.

I have not integrated share point with NAV, Could any one explain me on this integration process, Thanks in advance.

Thanks,

Shyam Kumar N

You can use Webclient