var in_menu = "";var in_nobu = "";
function nobu_io(id_menu,id_nobu){
if(in_nobu==id_nobu){
document.getElementById(id_nobu).style.visibility='hidden';
document.getElementById(id_nobu).style.zIndex='1';
document.getElementById(id_menu).style.backgroundColor='#eeeedd';
in_nobu="";in_menu="";}else{if(in_menu!=""){
document.getElementById(in_nobu).style.visibility='hidden';
document.getElementById(id_nobu).style.zIndex='1';
document.getElementById(in_menu).style.backgroundColor='#eeeedd';}
document.getElementById(id_nobu).style.visibility='visible';
document.getElementById(id_nobu).style.zIndex='2';
in_nobu=id_nobu;in_menu=id_menu;}}