function caric() {

var ident = document.getElementById("loader");

    document.frLogin.Reset.disabled = true;
    document.frLogin.Invio.disabled = true;
    ident.style.visibility="visible";
    ident.style.display="block";
    window.setTimeout("controlla()", 3000);

}

function controlla() {

var ident = document.getElementById("loader");

    ident.style.visibility="hidden";
    ident.style.display="none";
    document.frLogin.submit();
    
}