var T=0;

function show(id)
{
    clearTimeout(T);
    var d=document.getElementById('midmenu');
    for (var i in d.childNodes)
    {
        if (d.childNodes[i].tagName=='DIV')
        {
            for (var a in d.childNodes[i].childNodes)
            {
                if (d.childNodes[i].childNodes[a].tagName=='UL')
                {
                    if (d.childNodes[i].childNodes[a].id!="mid_"+id) d.childNodes[i].childNodes[a].style.display="none";
                    else d.childNodes[i].childNodes[a].style.display="block";
                }
            }
        }
    }
}

function hide_all()
{
    T=setTimeout('show(0)',500);
}