function OnMouseOverTasto(el, ancor) {
 el.style.background='#318614'; 
 el.style.color='#FFFFFF'; 
 ancor.style.color='#FFFFFF';
}

function OnMouseOutTasto(el, ancor) {
 el.style.background='#92BCE8'; 
 el.style.color='#FFFFFF'; 
 ancor.style.color='#FFFFFF';
}