[SOLVED] DJM 400 syncing with Traktor

Is it possible to get the DJM 400 to work with Traktor on a Laptop using Windows 7 my budget has been spent on a DJM 400 mixer and 2 new CDJ 400's I have been told I would need a new sound card but I'm looking for a work around method so I can mix and record with Traktor my Laptop model make is Asus any suggestions would be appreciated in solving this problem.

Thanks