function toggleMe(a){
var e=document.getElementById(a);
if(!e)return true;
if(e.style.visibility=="hidden"){
e.style.visibility="visible";
e.style.height="340px";
} else {
e.style.visibility="hidden";
e.style.height="0px"
}
return true;
}

function Nascondi() {
document.getElementById('hidboton').style.display="none";
}