var Visible = false;

function showSubMenu()
{
    if (!Visible)
    {
        left = document.getElementById("HowSubMenuParent").offsetLeft;
        document.getElementById("HowSubMenu").style.left = left-5+"px";
        document.getElementById("HowSubMenu").style.display = "block";
        Visible = true;
        return;
    }
    document.getElementById("HowSubMenu").style.display = "none";
    Visible = false;
}

function hideSubMenu(anchor)
{
    document.getElementById("HowSubMenu").style.display = "none";
    Visible = false;
}