Im currently trying to add a new sidebox. I would like it to display the "Add selected products to cart" as seen here:

http://kitchenwarehouseltd.com/produ...er/beech-units

Ive gone through this tutorial

http://www.zen-cart.com/wiki/index.php/Tutorial

I was hoping you could help how I could actually add to the content to display the add selected products to cart button?