function showPopup() {
    document.getElementById("popup").className == 'popperHid' ? document.getElementById("popup").className = 'popperShow' : document.getElementById("popup").className = 'popperHid'
    
    document.getElementById("fade").className == 'popperHid' ? document.getElementById("fade").className = 'black_overlay' : document.getElementById("fade").className = 'popperHid';
    return false;
}