if (document.all || document.layers || document.getElementById) {
		if (navigator.appVersion.indexOf("Mac",0) != -1) {
		if (navigator.appVersion.indexOf("5.0",0) == -1) document.write('<link rel="stylesheet" type="text/css" href="mac.css">');
		if (navigator.appVersion.indexOf("5.0",0) != -1) document.write('<link rel="stylesheet" type="text/css" href="win.css">');
		}
else document.write('<link rel="stylesheet" type="text/css" href="win.css">');
}