How to make a DIY DJ CD Turntable

I've been looking forward to make a DJ CD Turntable but I've not got any idea about how to do it. I've been surved the web for about a year now and the answer still remains the same. Therefore, suggestions from you will be very much appreciated. This stuff means my life. Thanks so much.

Its a classic if-you-have-to-ask-the-question-you-won't-understand-the-answer.

Mixing CD decks have some incredible complex software on them, which reads chunks of the CD, stores it in memory, and then uses the operator's hands on the disks to "step through" the memory. I have a friend who is paid enormous amounts of money developing software and hardware to do this.