function showDiv(obj) {
    document.getElementById(obj).style.visibility = "visible";
    document.getElementById(obj).style.display = "block";
    document.getElementById(obj).style.height = "auto";
}
function hideDiv(obj) {
    document.getElementById(obj).style.visibility = "hidden";
    document.getElementById(obj).style.display = "none";
    document.getElementById(obj).style.height = "0px";
}
function toggleDiv(obj) {
    if (document.getElementById(obj).style.visibility == "hidden") {
        document.getElementById("detailsLink").innerText = "Hide details.";
        showDiv(obj);

    }
    else {
        document.getElementById("detailsLink").innerText = "Click here for details.";
        hideDiv(obj);
    }
}