//Script by Takashi Hashimoto
	if (navigator.platform.indexOf('Mac') > -1) {
	//mac
		if (navigator.appName.indexOf('Microsoft') > -1) {
		//explorer
		document.write('<LINK HREF="css/mac_ie.css" REL="styleSheet" TYPE="text/css">');
		} else {
		//netscape
		 document.write('<LINK HREF="css/mac_ns.css" REL="styleSheet" TYPE="text/css">');
		}
	} else {
	//windows or unix
		if (navigator.appName.indexOf('Microsoft') > -1) {
		//explorer
		document.write('<LINK HREF="css/win_ie.css" REL="styleSheet" TYPE="text/css">');
		} else {
		//netscape
		document.write('<LINK HREF="css/win_ns.css" REL="styleSheet" TYPE="text/css">');
		}
	}