How do I charge the batteries? (pic inside)

I can't figure out how to plug it in. The 3 parts don't seem to fit together. (Plese don't make fun of me, this is my first rc heli)

copy and past this (clicking on it doesn't work): http://www.geocities.com/flipshin/Picture003.jpg

nevermind, problem solved. I found another charger that needed to be plugged into the charger in the pic, and the thing in the middle connected the charger to the batteries.