/* select CSS */

var Win = navigator.appVersion.indexOf('Win',0) != -1;
var Mac = navigator.appVersion.indexOf('Mac',0) != -1;

if (Mac) {
	document.writeln('<link rel="stylesheet" type="text/css" href="common/css/mac.css" title="font">');
	} else if (Win) {
	document.writeln('<link rel="stylesheet" type="text/css" href="common/css/win.css" title="font">') 
}