//Operating System
var IS_WIN = (navigator.userAgent.indexOf("Win") >= 0);
var IS_MAC = (navigator.userAgent.indexOf("Mac") >= 0);
var IS_UNIX = (navigator.userAgent.indexOf("X11") >= 0);

//Browser Info
var IS_IE = (navigator.appName == "Microsoft Internet Explorer");
var IS_FF = (navigator.userAgent.indexOf("Firefox") >= 0);
var IS_NS = (navigator.vendor != "undefined" && 
     navigator.vendor == "Netscape");
var IS_MOZ = (navigator.userAgent.indexOf("Mozilla/5") >= 0);
var IS_NEW = ((IS_MOZ && parseInt(navigator.appVersion) >= 5) ||
       (IS_IE && parseInt(navigator.appVersion) >= 4));

//Object Support
var SUPPORTS_IMAGES = (typeof document.images != "undefined");

//Cookies
var COOKIES_ON = navigator.cookieEnabled;

var activeDiv;
	
function toggleVisibility(me)
{
	var target = document.getElementById(me);

	if (activeDiv != target )
		if (undefined != activeDiv) { activeDiv.style.display = "none"; }
	
	if (target.style.display=="none"){
		target.style.display="block";
		}
	else {
		target.style.display="none";
		}
	
	activeDiv = target;
}