function OnMouseOverTasto(el, ancor) {
 el.style.background='#D6E2F6'; 
 el.style.color='#AF0202'; 
 ancor.style.color='#AF0202';
}

function OnMouseOutTasto(el, ancor) {
 el.style.background='#EDF3FD'; 
 el.style.color='#AF0202'; 
 ancor.style.color='#AF0202';
}