var timeoutId;
function MM_findObj(n, d) { //v4.01 
    var p, i, x; if (!d) d = document; if ((p = n.indexOf("?")) > 0 && parent.frames.length) {
        d = parent.frames[n.substring(p + 1)].document; n = n.substring(0, p);
    }
    if (!(x = d[n]) && d.all) x = d.all[n]; for (i = 0; !x && i < d.forms.length; i++) x = d.forms[i][n];
    for (i = 0; !x && d.layers && i < d.layers.length; i++) x = MM_findObj(n, d.layers[i].document);
    if (!x && d.getElementById) x = d.getElementById(n); return x;
}
function showLayers() {
    var i, obj, args = showLayers.arguments;
    hideLayers('navSub01','navSub02','navSub03','navSub04','navSub05','navSub06');
    for (i = 0; i < args.length; i++)
        if ((obj = MM_findObj(args[i])) != null)
            if (obj.style) obj.style.visibility = 'visible';
}
function hideLayers() {
    var i, obj, args = hideLayers.arguments;
    for (i = 0; i < args.length; i++)
        if ((obj = MM_findObj(args[i])) != null)
            if (obj.style) obj.style.visibility = 'hidden';
}
function delayHideLayers() {
    var i, args = delayHideLayers.arguments;
    for (i = 0; i < args.length; i++)
        timeoutId = setTimeout('hideLayers(\'' + args[i] + '\')', 500);
}