if (navigator.appName.indexOf("Netscape") != -1) {
if (parseInt(navigator.appVersion) == 4) {
var browser = "NS";
document.write('');
} else if (parseInt(navigator.appVersion) >= 5) {
// Netscape 6 oder Mozilla
isW3C = true;
document.write('');
}
} else {
if (navigator.userAgent.indexOf("MSIE") == -1) {
}
var browser = "IE";
document.write('');}