function togglevis(id) {
    var cur = document.getElementById(id).style.visibility;
    var pos;

    if (cur == "visible") {
        cur = "hidden";
        pos = "absolute";
    } else if (cur == "show") {
        cur = "hide";
        pos = "absolute";
    } else if (cur == "hidden") {
        cur = "visible";
        pos = "relative";
    } else if (cur == "hide") {
        cur = "show";
        pos = "relative";
    }

    document.getElementById(id).style.visibility = cur;
    document.getElementById(id).style.pos = pos;
}

function autoScheme2(force) {
    var sch = autoScheme(force);
    if (document.body === null) {
        document.write("<style type='text/css'>#menudiv{background-color:" +
            sch[0][0] + ";}</style>");

    } else {
        document.getElementById("menudiv").style.backgroundColor =
            document.body.style.backgroundColor;

    }
}