Bringing GB into page through html

My site is based on a shopping cart shell. I would like to have GB come up on a new page within the shell, something like this page. However, the way it's designed whenever I create a new page, the program only gives me a box to enter html. My html is pretty bad and my PHP is 0. Could somebody please tell me in idiots terms how to bring in GB through html and keep all the links right. BTW, the installation went fine from cpanel if I call it up on its own page.

Thanks
Bob
www.usflagsandmore.com

What you are wanting is to use an include. Do a search on the forum and you will find it.