<!--
var in_menu = "";var in_open = "";
function open_io(id_menu,id_open){
if(in_open==id_open){
document.getElementById(id_open).style.visibility='hidden';
document.getElementById(id_open).style.zIndex='1';
in_open="";in_menu="";}else{if(in_menu!=""){
document.getElementById(in_open).style.visibility='hidden';
document.getElementById(id_open).style.zIndex='1';}
document.getElementById(id_open).style.visibility='visible';
document.getElementById(id_open).style.zIndex='2';
in_open=id_open;in_menu=id_menu;}}
//-->