if(navigator.userAgent.indexOf('Mac') != -1) {

	if(navigator.appName.indexOf("Netscape") != -1)
	{
		document.write("<link REL='stylesheet' HREF='../../../style/MAC/GP_white_background_netscape_mac.css' TYPE='text/css'>");}
	else
	{
		document.write("<link REL='stylesheet' HREF='../../../style/MAC/GP_white_background_ie_mac.css' TYPE='text/css'>");}
	}
else {
		document.write("<link REL='stylesheet' HREF='../../../style/PC/GP_white_background.css' TYPE='text/css'>");
	 }