if (navigator.appVersion.indexOf("Mac")!=-1) {
document.write("<LINK REL=stylesheet HREF=\"stilmallar/ns_style.css\" TYPE=\"text/css\">"); }

else if (navigator.appName == "Netscape") {
document.write("<LINK REL=stylesheet HREF=\"stilmallar/ns_style.css\" TYPE=\"text/css\">"); }

else {
document.write("<LINK REL=stylesheet HREF=\"stilmallar/ie_style.css\" TYPE=\"text/css\">"); }