Here is my picture tutorial on how to add admins to your pages on Facebook.
Step 1: Click on the Ads and Pages item on the left menu.
http://i139.photobucket.com/albums/q303/froggirl003/416748b8.jpg
Step 2: Scroll down and find the "Admins" section of your page. (if neccessary... Select which page you're adding the admin to and click "edit settings". )
http://i139.photobucket.com/albums/q303/froggirl003/7ba5e9e4.jpg
Step 3: Click on the friend(s) you'd like to extend admin privilages to.
http://i139.photobucket.com/albums/q303/froggirl003/3bf96188.jpg
I hope this quick tutorial helps!!