http://images.businessweek.com/ss/09/08/0812_data_visualization_heroes/3.htm -- _________________ Jim Croft ~ jim.croft at gmail.com ~ +61-2-62509499 ~ http://www.google.com/profiles/jim.croft ... in pursuit of the meaning of leaf ... ... 'All is leaf' ('Alles ist Blatt') - Goethe