var agt = navigator.userAgent.toLowerCase();
var ie  = (agt.indexOf("msie") != -1);
var ns  = (navigator.appName.indexOf("Netscape") != -1);
var win = ((agt.indexOf("win")!=-1) || (agt.indexOf("32bit")!=-1));
var mac = (agt.indexOf("mac")!=-1);


var isNS4 = 0;
var version = navigator.appVersion;

if (ns)
{
	if (version.substring(0,1) <= 4) isNS4 = 1;
}

// Netscape resize fix
if (ns) 
{
  origWidth = innerWidth;
  origHeight = innerHeight;
}

function resizeFix() 
{
   if (innerWidth != origWidth || innerHeight != origHeight) 
   location.reload();
}

if (ns) onresize = resizeFix;