function ShowHideLayer(divName, show, x, y)
{
    divFloating = document.getElementById(divName);
    if (divFloating != null)
    {
        divFloating.style["display"] = (show == true) ? 'block' : 'none';
        divFloating.style["top"] = y + "px";
        divFloating.style["left"] = x + "px";
    }

    return false;
}