os      = getOSType();
browser = getBrowserName();
version = getBrowserVersion();

if( browser == "Firefox" ){
	fname = "firefox.css" ;
}
else if( browser == "Explorer" ){
	if( version >= 7 ){	// IE7�ȏ�
		fname = "ie7.css" ;
	}
	else{						// IE6�ȉ�
		fname = "default.css" ;
	}
}
else if( browser == "Safari" ){
	fname = "safari.css" ;
}
else{
	fname = "default.css" ;
}
document.write( "<link rel='STYLESHEET' href='http://www.bsgf.co.jp/" + fname + "' type='text/css'>" );