var timeout = 400;
var closetimer = 0;
var opentimer = 0;
var closetimer2 = 0;
var ddmenuitem = 0;
var ddmenuitem2 = 0;

// open hidden layer
function mopen(id) {
    // cancel close timer
    mcancelclosetime();

    // close old layer
    if (ddmenuitem) ddmenuitem.style.visibility = 'hidden';

    // get new layer and show it
    ddmenuitem = document.getElementById(id);
    ddmenuitem.style.visibility = 'visible';

}

function mopen2(id) {
    // cancel close timer
    mcancelclosetime2();

    // close old layer
    if (ddmenuitem2) ddmenuitem2.style.visibility = 'hidden';

    // get new layer and show it
    ddmenuitem2 = document.getElementById(id);
    ddmenuitem2.style.visibility = 'visible';

}

// close showed layer
function mclose() {
    if (ddmenuitem) ddmenuitem.style.visibility = 'hidden';
    //if (document.getElementById(id))
    //	document.getElementById(id).style.visibility = 'hidden';
}

function mclose2() {
    if (ddmenuitem2) ddmenuitem2.style.visibility = 'hidden';
    //if (document.getElementById(id))
    //	document.getElementById(id).style.visibility = 'hidden';
}

// go close timer
function mclosetime() {
    closetimer = window.setTimeout(mclose, timeout);
}

function mclosetime2() {
    closetimer2 = window.setTimeout(mclose2, timeout);
}

// cancel close timer
function mcancelclosetime() {
    if (closetimer) {
        window.clearTimeout(closetimer);
        closetimer = null;
    }
}

function mcancelclosetime2() {
    if (closetimer2) {
        window.clearTimeout(closetimer2);
        closetimer2 = null;
    }
}

function openLevel2(id) {
    //mopen(id);
    opentimer = window.setTimeout("mopen(" + id + ")", 500);
}

function mcancelopenLevel2() {
    if (opentimer) {
        window.clearTimeout(opentimer);
        opentimer = null;
    }
}

function openLevel3(id) {
    mopen2(id);
    //window.setTimeout("mopen2("+id+")", 500);
}

document.onclick = mclose; mclose2;