Shopping Cart Cookie / Variables

Hello,

I am creating a custom theme and I have a need to access the shopping cart variables.

For instance, I need to know exactly 2 things.

* How many items are in the cart (already got that via mp_items_count_in_cart())

* What total dollar amount is in the cart (can’t find this)

How can I find out via PHP or JS (or both) what the total dollar amount in the shopping cart is.

Thanks.

Jay

CompuMatter