Panning Camera Forward and Backward

i found this link http://www.kirupa.com/developer/actionscript/more_panning.htm which is luckily on KIRUPA.

Actually I want exact this for my project but I can’t understand how to do this so please can some one have videos related to this link or can some one have screen shots that how to make it step by step I will be very honour to it, actually i want to use this feature in my project so dear fellows help me as soon as possible.

cheers :slight_smile: