Apparition de dessins en passant le curseur dessus – méthode grattage – plusieurs liens ci-dessous

 

http://www.europschool.net/static/formation/grattage/old/grattage020603.swf

http://www.europschool.net/static/formation/grattage/old/grattage2.swf

http://www.europschool.net/static/formation/grattage/old/tuto_grattage.swf

http://www.europschool.net/static/formation/grattage/old/grattage190503.swf

http://www.europschool.net/static/formation/grattage/old/grattage130503.swf