function show_popup2()
{
        var        size_attr        = nn ? "innerWidth=160,innerHeight=160" : "width=500,height=600"

        open("anfaenger2.html",
                "Popup",
                "menubar=0,hotkeys,directories=0,toolbar=0,location=0,status=0,resizable=1,scrollbars=1,dependent," + size_attr).focus()
}
var        nn        = (navigator.appName == "Netscape") ? true : false
function show_popup3()
{
        var        size_attr        = nn ? "innerWidth=160,innerHeight=160" : "width=500,height=600"

        open("kobudo.html",
                "Popup",
                "menubar=0,hotkeys,directories=0,toolbar=0,location=0,status=0,resizable=1,scrollbars=1,dependent," + size_attr).focus()
}
var        nn        = (navigator.appName == "Netscape") ? true : false