var subnav_hide_id = "";

function global_subnav_show(id)
{
    if (subnav_hide_id == id)
    {
	subnav_hide_id = "";
    }
    document.getElementById("subnav-" + id).style.display = "block";
}

function global_subnav_hide(id)
{
	subnav_hide_id = id;
	setTimeout('static_subnav_hide()', 10);
}

function static_subnav_hide()
{
    if (subnav_hide_id != "")
    {
	document.getElementById("subnav-" + subnav_hide_id).style.display = "none";
    }
}