function popup(sw) {
    if (sw == 1) {
    // Show popup
        document.getElementById('blackout').style.visibility = 'visible';
        document.getElementById('divpopup').style.visibility = 'visible';
        document.getElementById('blackout').style.display = 'block';
        document.getElementById('divpopup').style.display = 'block';
    } else {
    // Hide popup
        document.getElementById('blackout').style.visibility = 'hidden';
        document.getElementById('divpopup').style.visibility = 'hidden';
        document.getElementById('blackout').style.display = 'none';
        document.getElementById('divpopup').style.display = 'none';
    }
}

function popup2(sw) {
    if (sw == 1) {
    // Show popup
        document.getElementById('blackout2').style.visibility = 'visible';
        document.getElementById('divpopup2').style.visibility = 'visible';
        document.getElementById('blackout2').style.display = 'block';
        document.getElementById('divpopup2').style.display = 'block';
    } else {
    // Hide popup
        document.getElementById('blackout2').style.visibility = 'hidden';
        document.getElementById('divpopup2').style.visibility = 'hidden';
        document.getElementById('blackout2').style.display = 'none';
        document.getElementById('divpopup2').style.display = 'none';
    }
}