var agt=navigator.userAgent.toLowerCase();

    var is_major = parseInt(navigator.appVersion);
    var is_minor = parseFloat(navigator.appVersion);

    var is_nav  = ((agt.indexOf('mozilla')!=-1) && (agt.indexOf('spoofer')==-1)
                && (agt.indexOf('compatible') == -1) && (agt.indexOf('opera')==-1)
                && (agt.indexOf('webtv')==-1) && (agt.indexOf('hotjava')==-1));
    var is_nav2 = (is_nav && (is_major == 2));
    var is_nav3 = (is_nav && (is_major == 3));
    var is_nav4 = (is_nav && (is_major == 4));
    var is_nav4up = (is_nav && (is_major >= 4));
    var is_navonly      = (is_nav && ((agt.indexOf(";nav") != -1) ||
                          (agt.indexOf("; nav") != -1)) );
    var is_nav6 = (is_nav && (is_major == 5));
    var is_nav6up = (is_nav && (is_major >= 5));
    var is_gecko = (agt.indexOf('gecko') != -1);
    var is_ie     = ((agt.indexOf("msie") != -1) && (agt.indexOf("opera") == -1));
    var is_ie3    = (is_ie && (is_major < 4));
    var is_ie4    = (is_ie && (is_major == 4) && (agt.indexOf("msie 5")==-1) );
    var is_ie4up  = (is_ie  && (is_major >= 4));
    var is_ie5    = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.0")!=-1) );
    var is_ie5_5  = (is_ie && (is_major == 4) && (agt.indexOf("msie 5.5") !=-1));
    var is_ie5up  = (is_ie  && !is_ie3 && !is_ie4);
    var is_ie5_5up =(is_ie && !is_ie3 && !is_ie4 && !is_ie5);
    var is_opera = (agt.indexOf("opera") != -1);
	var is_opera4 = (agt.indexOf("opera 4") != -1);
	var is_opera5 = (agt.indexOf("opera 5") != -1);
	var is_opera5up = (is_opera && (is_major >=4));
    var is_webtv = (agt.indexOf("webtv") != -1);  

    var is_win   = ( (agt.indexOf("win")!=-1) || (agt.indexOf("16bit")!=-1) );

    var is_win95 = ((agt.indexOf("win95")!=-1) || (agt.indexOf("windows 95")!=-1));

    var is_win16 = ((agt.indexOf("win16")!=-1) ||  
               (agt.indexOf("16bit")!=-1) || (agt.indexOf("windows 3.1")!=-1) ||  
               (agt.indexOf("windows 16-bit")!=-1) );   
    var is_win31 = ((agt.indexOf("windows 3.1")!=-1) || (agt.indexOf("win16")!=-1) ||
                    (agt.indexOf("windows 16-bit")!=-1));

    var is_win98 = ((agt.indexOf("win98")!=-1) || (agt.indexOf("windows 98")!=-1));
    var is_winnt = ((agt.indexOf("winnt")!=-1) || (agt.indexOf("windows nt")!=-1));
    var is_win32 = (is_win95 || is_winnt || is_win98 ||  
                    ((is_major >= 4) && (navigator.platform == "Win32")) ||
                    (agt.indexOf("win32")!=-1) || (agt.indexOf("32bit")!=-1));
    var is_os2   = ((agt.indexOf("os/2")!=-1) ||  
                    (navigator.appVersion.indexOf("OS/2")!=-1) ||    
                    (agt.indexOf("ibm-webexplorer")!=-1));
    var is_mac    = (agt.indexOf("mac")!=-1);
    var is_mac68k = (is_mac && ((agt.indexOf("68k")!=-1) ||  
                               (agt.indexOf("68000")!=-1)));
    var is_macppc = (is_mac && ((agt.indexOf("ppc")!=-1) ||  
                                (agt.indexOf("powerpc")!=-1)));

if (is_win) {
	if (is_nav6up)     
		{    
			document.write("<link rel='stylesheet' type='text/css' href='http://www.news-press.com/css/PCNS6.css' title='master'>")   
		}      
		else if (is_ie5up || is_opera)    
		{     
			document.write("<link rel='stylesheet' type='text/css' href='http://www.news-press.com/css/PCIE5.css' title='master'>")
 		}    
		else if (is_nav4)    
		{     
			document.write("<link rel='stylesheet' type='text/css' href='http://www.news-press.com/css/PCNS4.css' title='master'>")
 		}   
		else    
		{     
			document.write("<link rel='stylesheet' type='text/css' href='http://www.news-press.com/css/PCUNKNOWN.css' title='master'>")
		}  
}
else if (is_mac) {
	if (is_ie5up)    
		{     
			document.write("<link rel='stylesheet' type='text/css' href='http://www.news-press.com/css/MACIE5.css' title='master'>")
 		}  
		else    
		{     
			document.write("<link rel='stylesheet' type='text/css' href='http://www.news-press.com/css/MACNS.css' title='master'>")
		}  
}
		else    
		{     
			document.write("<link rel='stylesheet' type='text/css' href='http://www.news-press.com/css/ALLUNKNOWN.css' title='master'>")
		}