var curid = 2;

function show_menu (id)
{
    try{document.getElementById("sub"+curid).style.display="none";}catch(q){}

    curid = id;
    idd=id;
    try{document.getElementById("sub"+id).style.display="block";}catch(q){}
}
function show_menu1 (id)
{
    try{document.getElementById("sub"+id).style.display="block";}catch(q){}
}
function hide_menu (id)
{
    try{idd=id; document.getElementById("sub"+id).style.display="none"; op=95;}catch(q){}
}