On Monday, December 22, 2008 at 4:32, baroni at sissa.it wrote: > none - sb Thanks all the helps and discussions here. I've got it by and large. -- Hongsheng Zhao <zhaohscas at yahoo.com.cn> Xinjiang Technical Institute of Physics and Chemistry Chinese Academy of Sciences GnuPG DSA: 0xD108493 2008-12-22