// JavaScript Document
function vai()
{
document.all.sopra.style.visibility="hidden";
document.all.sotto.style.visibility="visible";
document.all.menu2.style.visibility="visible";
document.all.menu1.style.visibility="hidden";
document.all.menu0.style.visibility="visible";
}
function togli()
{
document.all.sopra.style.visibility="visible";
document.all.sotto.style.visibility="visible";
document.all.menu2.style.visibility="hidden";
document.all.menu1.style.visibility="visible";
document.all.menu0.style.visibility="visible";
}
function flash()
{
document.all.sopra.style.visibility="visible";
document.all.sotto.style.visibility="hidden";
document.all.menu2.style.visibility="visible";
document.all.menu1.style.visibility="visible";
document.all.menu0.style.visibility="hidden";

}