var ua = navigator.userAgent.toLowerCase();
var an = navigator.appName.toLowerCase();	
var MAC = ua.indexOf("safari") != -1;
var MACO = ua.indexOf("mac") != -1;
var OLD = navigator.userAgent.substring(7+navigator.userAgent.indexOf("ozilla"),8+navigator.userAgent.indexOf("ozilla"))<="3";	

var MSIE = ua.indexOf("msie")>-1;		
var NTSC = ua.indexOf("netscape")>-1;	
var OPERA = ua.indexOf("opera")>-1;	
var IE5 = ua.indexOf("msie 5")>-1;	
var IE4 = ua.indexOf("msie 4")>-1;	
var N6_1 = ua.indexOf("netscape6/6.1")>-1;	
var N6 = ua.indexOf("netscape6")>-1;	
var N4 = navigator.userAgent.substring(7+navigator.userAgent.indexOf("ozilla"),8+navigator.userAgent.indexOf("ozilla"))<="4" && NTSC;	
var OPERA5 = ua.indexOf("opera 5")>-1;	
var OPERA6 = ua.indexOf("opera 6")>-1;	
var OTHERS = !MSIE && !NTSC && !OPERA && !OLD; 	
var MACMSIE = MAC && MSIE;		
var MACIE51 = ua.indexOf("msie 5.1")>-1 && MAC;	
var MACIE5 = IE5 && MAC;		
var MACIE4 = IE4 && MAC;		
var MACN6_1 = N6_1 && MAC;		
var MACN6 = N6 && MAC;		
var MACN4 = N4 && MAC;		
var MACOTHERS = OTHERS && MAC; 
var GECKO = ua.indexOf('gecko')>-1;
var FIREFOX = ua.indexOf('firefox')>-1;



if (MSIE && !OPERA)
{
	//alert("MSIE && !OPERA");
	document.writeln("<link rel=stylesheet type='text/css' href='/css/msie.css'>");
	
}
else if (NTSC || GECKO && !MAC)
{
	//alert("NTSC7");
	document.writeln("<link rel=stylesheet type='text/css' href='/css/ntsc7.css'>");
}

else if (OPERA && MSIE || OPERA)
{
	//alert("MAC - OPERA");
	document.writeln("<link rel=stylesheet href='/css/opera.css'>");
}
else if (MAC || MACO)
{
	//alert("MAC");
	document.writeln("<link rel=stylesheet href='/css/mac-opera.css'>");
}
else if (N4)
{
	//alert("NS4");
	document.writeln("<link rel=stylesheet type='text/css' href='/css/ntsc4.css'>");
}
else if (N4 || OTHERS)
{
	//alert("NS4:OTHERS");
	document.writeln("<link rel=stylesheet type='text/css' href='/css/ntsc4.css'>");
}
if (FIREFOX)
{
	//alert("Firefox");
	document.writeln("<link rel=stylesheet href='/css/ntsc7.css'>");
}