Converted the J(w) mapping sample script to the relax 1.3 design.
The problem of the old 1.2 line code was discovered by Leao Lagarto <dodgy_spin att yahoo ddot co
dot uk> in the thread starting at https://mail.gna.org/public/relax-devel/2009-08/msg00004.html
(Message-id: <44680.10570.qm@...>).
