if (is_mac) {

	if (is_nav4) {
	
		document.write("<link href='/include/styles_NN4Mac.css' rel='stylesheet' type='text/css' />" );
	}
	else if (is_safari) {
		
			document.write("<link href='/include/styles_Safari.css' rel='stylesheet' type='text/css' />" );
	}
	else if (is_firefox) {
	
			document.write("<link href='/include/styles_FirefoxMac.css' rel='stylesheet' type='text/css' />" );
	}
	else if (is_nav6up) {

			document.write("<link href='/include/styles_NN6UpMac.css' rel='stylesheet' type='text/css' />" );
	}
		else {
		
		document.write("<link href='/include/styles_IEMac.css' rel='stylesheet' type='text/css' />" );
	}
} else  {
	if (is_nav4) {
	
	document.write("<link href='/include/styles_NN4.css' rel='stylesheet' type='text/css' />" );
	}
	else if (is_firefox) {
	
			document.write("<link href='/include/styles_Firefox.css' rel='stylesheet' type='text/css' />" );
	}
	else if (is_nav6up) {
		
			document.write("<link href='/include/styles_NN6Up.css' rel='stylesheet' type='text/css' />" );
	}
		else if (is_ie) {
		
				if (is_ie6) { 

				document.write("<link href='/include/styles_ie6.css' rel='stylesheet' type='text/css' />" );
				} else {
		
				document.write("<link href='/include/styles.css' rel='stylesheet' type='text/css' />" );
				}
				
		}
			else {
	
					document.write("<link href='/include/styles.css' rel='stylesheet' type='text/css' />" );
		}			
}