<!--
function SwitchMenu(obj){
if(document.getElementById){
var el = document.getElementById(obj);
var ar = document.getElementById("maindiv").getElementsByTagName("div");
if(el.style.display != "block"){ //DynamicDrive.com change
for (var i=0; i<ar.length; i++){
if (ar[i].className == "menub") 
ar[i].style.display = "none";}
el.style.display = "block";}
else {el.style.display = "none";}
}}
//-->