Problem with CDJ Playlist

Hello,
I notice a problem with CDJ playlist :
I put song one and two of the same CD on CDJ playlist then clic on play.
CDJ play the first song, begin to play the second one and I clic on stop.
CDJ stop the second song and after about 2 seconds restart the second song.

I notice another problem with the fade fonction of CDJ :
I configure CDJ like this : Fade down 3s, Fade up 3s, No overlap.
I put song one and two of the same CD on CDJ playlist then clic on play.
CDJ play the first song with fade up and down but at the beginning of
the second song the CX260 still fade down the song so there is no more sound
while the second song is played.
I think CDJ should not made any fade between theses songs because their
folow each other on the same CD.

I have a request on CDJ user interface, I think it would be a good idea to
create user defined button (like volum up, down...) like in word or excel 97
(with user defined icon).
It would be very useful to use predefined shearch macro command :
a Rock button to play rock... and so on.

Thanks for your good work on CDJ.
Laurent Chaussy