Hi all, I really want to provide you a tool as soon as possible but I'm running now in a very old problem. Seems that allowing comparisons different from the mxhadfit one crash the program.. I'm still working on it. As soon as I have a running version I'll commit and post an update Sorry Ric. Ale ______________________________________________________ Alessio Sarti Universita' & I.N.F.N. Ferrara tel +39-0532-781928 Ferrara roma +39-06-49914338 SLAC +001-650-926-2972 "... e a un Dio 'fatti il culo' non credere mai..." (F. De Andre')