var mbW = 250;
var mbA, mbT, mbTf, mbSf;
var mbR = [];

function mbSet(m, c) {
    if (document.getElementById && document.createElement) {
        var m = document.getElementById(m);
        m.className = c;
        mbR[mbR.length] = m;
        var i;

        e = m.getElementsByTagName('a');
        if (!mbTf) mbTf = new Function('mbHT();');
        if (!mbSf) mbSf = new Function('mbS(this);');
        for (i = 0; i < e.length; i++) {
            e[i].onmouseout = e[i].onblur = mbTf;
            e[i].onmouseover = e[i].onfocus = mbSf;
        }

        m = m.getElementsByTagName('ul');
        for (i = 0; i < m.length; i++) {
            mbH(mbL(m[i]));
        }
    } 
}

function mbHA() {
    if (mbA) {
        while (mbA) mbH(mbA);
        mbHE('visible');
    }
}

function mbHT() {
    if (!mbT) mbT = setTimeout('mbHA();', mbW);
}

function mbTC() {
    if (mbT) {
        clearTimeout(mbT);
        mbT = null;
    }
}

function mbS(m) {
    mbTC();
    if (mbA) while (mbA && m != mbA && mbP(m) != mbA) mbH(mbA);
    else mbHE('hidden');

    if (mbM(m)) {
        mbSH(m, 'visible');
        mbA = m;
    }
}

function mbH(m) {
    if (m == mbA) mbA = mbP(m);
    mbSH(m, 'hidden');
    mbT = null;
}

function mbL(m) {
    while (m && m.tagName != 'A') m = m.previousSibling;
    return m;
}

function mbM(l) {
    while (l && l.tagName != 'UL') l = l.nextSibling;
    return l;
}

function mbP(m) {
    var p = m.parentNode.parentNode;
    if (p.tagName == 'UL') {
        var i = 0;
        while (i < mbR.length) {
            if (mbR[i] == p) return null;
            i++;
        }
    } else {
        return null;
    }
    return mbL(p);
}

function mbSH(m, v) {
    m.className = v;
    mbM(m).style.visibility = v;
}

function mbHE(v) {
    mbHEV(v, document.getElementsByTagName('select'));
}

function mbHEV(v, e) {
    for (var i = 0; i < e.length; i++) e[i].style.visibility = v;
}