function showLoginPanel()
{
    var loginPanel = document.getElementById("loginPasswordPanel");
    loginPanel.style.left = getShowPointCoord().left + "px";
    loginPanel.style.top = getShowPointCoord().top + "px";
    loginPanel.style.visibility = "visible";
}

function hideLoginPanel()
{
    var loginPanel = document.getElementById("loginPasswordPanel");
    loginPanel.style.visibility = "hidden";
}

function getShowPointCoord() {
    var a = document.getElementById("loginLink");

    var t = 0;
    var l = 0;
    while (a)
    {
        t += a.offsetTop;
        l += a.offsetLeft;
        a = a.offsetParent;
    }
    return {left:l - 190, top:t + 15};
}