//dropdown code

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].id!=currentMenu) 
                    ar[i].style.display = "none";
            }
            el.style.display = "block";
        } else {
            el.style.display = "none";
        }
    }
}