function DisplayDIV(d) {
    var Popup = document.getElementById(d);
    Popup.style.display = "block"; 

    document.getElementById('fastFactsImg').className = "transON";
}
function HideDIV(d) {
    document.getElementById(d).style.display = "none";
    document.getElementById('fastFactsImg').className = "transOFF";
}