You're in luck.
This mostly unknown feature has been built into the iOS operating system since version 2.0.
To capture the screen image or take a screenshot just press the Home button and Sleep/Wake (On/Off) key at the top of the mobile device simultaneously at the same time.
You'll hear the camera shutter click and your screenshot will be saved the camera roll on your phone.
You can then view and send your newly saved image to others by email or SMS like all other photos.
Now you know!
One Cool Tip.com
Daily Tips for a Cooler Life!