// Quelle: http://www.infohiway.com/javascript/jserrors.htm

jserror_count = 0;
function reportError(msg,url,line) {
        par_url = parent.location.href;
        par_url = (par_url == location.href) ? "no parent" : par_url;
        query_string = "/cgi-bin/jserrors.pl"
                + "?url=" + escape(location.href)
                + "&parent=" + escape(par_url)
                + "&referrer=" + escape(document.referrer)
                + "&browser=" + escape(navigator.appName + " " + navigator.appVersion)
                + "&msg=" + escape(msg)
                + "&line=" + escape(line)
                + "&count=" + (++jserror_count);
        if (document.images) {
                reporter = new Image();
                reporter.src = query_string;
        }
//        return true;
        return false;
}
window.onerror = reportError;