var currentInfoPopup = null;

function ShowInfoPopup(id) {
    if (currentInfoPopup) {
        HideInfoPopup(currentInfoPopup);
    }
    var popup = document.getElementById("InfoPopup" + id);
    popup.style.display = 'block';
    currentInfoPopup = id;
}

function HideInfoPopup(id) {
    var popup = document.getElementById("InfoPopup" + id);
    popup.style.display = 'none';
    currentInfoPopup = '';
}