Google Checkout Sales Not Showing in Analytics

I'm currently using Google Checkout with CS-Cart and the Googel Analytics that is installed is not counting the Google Checkout sales. This is really effecting my ability to as to which traffic coming to the site is converting. I really need help with this. Is there any way to do this?

I really appreciate your help.

So does anybody know how I can fix this issue?

I really need to get this working properly because I don't know where my advertising dollars are going.

I'd really appreicate anyone who can help me with this issue.