} function SwitchMenu(obj){ if(document.getElementById){ var el = document.getElementById(obj); var ar = document.getElementById("menuBox").getElementsByTagName("span"); if(el.style.display != "block"){ for (var i=0; i < ar.length; i++){ if (ar[i].className=="submenu") ar[i].style.display = "none"; } el.style.display = "block"; }else{ el.style.display = "none"; } } }