Hi Sascha and Sylwester, you comments are very appreciated. I will send an v3 version solving all the issues you mentioned. Regards -- Javier Martin Vista Silicon S.L. CDTUC - FASE C - Oficina S-345 Avda de los Castros s/n 39005- Santander. Cantabria. Spain +34 942 25 32 60 www.vista-silicon.com