[JWait]

It sounds like you do not have HTTPS. I'm sorry, I assumed because you were making an e-commerce site you had it. You can't really run a e-commerce site without it. Most web hosting companies will offer shared SSL (https), does yours? While not really the best to use as it will sometimes show errors (the certificate doesn't belong to your web site) it should still work.

In order to use x-cart, you needed to have a mysql database created, along with a user and password. You had to enter that information when you installed x-cart. How did you create that database?

Ask your web host if you have access to phpMyAdmin, or some other way to edit your database outside of x-cart.