// Kelvin Owers - Feb 2006         //
// identify browsers and platform //

var agent = navigator.userAgent.toLowerCase();

var isWindows = !(agent.match('win')==null);
var isXp = ((agent.indexOf("windows nt 5.1") != -1) || (agent.indexOf("windows xp") != -1));
var isSp2 = (agent.indexOf("sv1") != -1);
var isVista =(agent.indexOf("windows nt 6.0") != -1);

var isMac = !(agent.match('mac')==null);

var browserVersion = parseInt(navigator.appVersion);

var isSafari =  !(navigator.appVersion.match('Safari')==null);
var isOpera = !(window.opera==null);
var isIE =  !((navigator.appVersion.match('MSIE')==null) && !(isOpera));
var isIE5 =  !((navigator.appVersion.match('MSIE 5')==null) && !(isOpera));
var isFox =  !((navigator.appName.match('Netscape')==null) && !(isSafari||isOpera));