function spoil(me) {
if (me.parentNode.parentNode.getElementsByTagName('div')[1].getElementsByTagName('div')[0].style.display != '') {
me.parentNode.parentNode.getElementsByTagName('div')[1].getElementsByTagName('div')[0].style.display = '';
me.innerText = '';
me.value = 'Nascondi';
} else {
me.parentNode.parentNode.getElementsByTagName('div')[1].getElementsByTagName('div')[0].style.display = 'none';
me.value = 'Mostra';
}
}