// JavaScript Document
 
if (document.getElementById){
document.write('<style type="text/css">\n')
document.write('.submenu{display: none;}\n')
document.write('</style>\n')
}
 
function SwitchMenu(obj){
        if(document.getElementById){
        var el = document.getElementById(obj);
        var ar = document.getElementById("masterdiv").getElementsByTagName("div"); 
               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";
               }
        }
}