//Operating System
var isWin = (navigator.userAgent.indexOf("Win") >= 0);
var isMac = (navigator.userAgent.indexOf("Mac") >= 0);
var isUnix = (navigator.userAgent.indexOf("X11") >= 0);

//Browser Info
var isIE = (navigator.appName == "Microsoft Internet Explorer");
var isFF = (navigator.userAgent.indexOf("Firefox") >= 0);
var isNS = (navigator.vendor != "undefined" && 
					navigator.vendor=="Netscape");
var isMoz = (navigator.userAgent.indexOf("Mozilla/5") >= 0);
var isNew = ((isMoz && parseInt(navigator.appVersion) >= 5) ||
							(isIE && parseInt(navigator.appVersion) >= 4));

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

//Cookies
var cookiesOn = navigator.cookieEnabled;

//Useful Cross-browser Variables
var classTerm = (isIE) ? "className" : "class";