shw(o)
{
    o.style.display = "";
}

/// <summary>
/// Hide an element
/// </summary>
/// <param name="o">Element to hide</param>
function hd(o)
{
    o.style.display = "none";
}

/// <summary>
/// OnClick handler for the show private explanation 
/// </summary>
function clkSecExp(id)
{
    var o = gbid(id);

    if (o.tagName == "IMG")
        o = o.parentNode;

    switch (o)
    {
        case gbid("lnkShwSec"):
            hd(gbid("lnkShwSec"));
            shw(gbid("lnkHdSec"));
            shw(gbid("