function ViewNO(){
    var cont = document.getElementById("note");
    var btn = document.getElementById("buttonNote");
    btn.style.display = 'none';
    cont.style.display = "none";
    document.getElementById("noteNone").style.display = "block";
    
}
function backNote(){
     history.back();
    //document.getElementById("buttonNote").style.display = "block";
    //document.getElementById("note").style.display = "block";
    //document.getElementById("noteNone").style.display = "none";
}