http://www.ffii.org/~zoobab/bh.udev.org/filez/projects/publicgeodata/design3/ interessante. pc -- Paolo Cavallini email+jabber: cavallini at faunalia.it www.faunalia.it Piazza Garibaldi 5 - 56025 Pontedera (PI), Italy Tel: (+39)348-3801953