var agt=navigator.userAgent.toLowerCase();
var os=navigator.platform;
// IE STYLE FÜR IE, NETSCAPE6, GECKO
if (parseInt(navigator.appVersion)>=4 && (agt.indexOf('msie') != -1 || agt.indexOf('netscape6')!=-1 || agt.indexOf('gecko')!=-1 ))
{
			if (os.indexOf("Mac") != -1){
				document.write('<link href="../css/freunde_mac_ie.css" rel=stylesheet type="text/css">');
			}else{
				document.write('<link href="../css/freunde_pc_ie.css" rel=stylesheet type="text/css">');
			}
}
else//ntsc ausser netsc6 und Gecko Engine
{
if (os.indexOf("Mac") != -1){
	  		document.write('<link href="../css/freunde_mac_ns4.css" rel=stylesheet type="text/css">');
					}else{
                     // PC NETSC 4
			             document.write('<link href="../css/freunde_pc_ns4.css" rel=stylesheet type="text/css">');			
}
}