>>>>> "M" == Michael Neumann <uu9r / rz.uni-karlsruhe.de> writes:

M> This works fine, but has one major drawback, that you have to
M> call it explicitly. 

 Well, it exist a possibility but this make something complex.

 I can send it to you (in private e-mail) if you want to look at it and try
 to have a better solution.


Guy Decoux