if (document.getElementById){ //DynamicDrive.com change
	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("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";
          }
     }
}