// Netscape-Methode
    if (window && window.innerWidth) {
        var bodyWidth = window.innerWidth - 20;
    // Internet-Explorer-Methode
    } else if (document && document.body && document.body.offsetWidth) {
        var bodyWidth = document.body.offsetWidth - 20;
    }
    else {
         var bodyWidth = 600;
    }

    // Netscape-Methode
    if (window && window.innerHeight) {
        var bodyHeight = window.innerHeight - 85;
    // Internet-Explorer-Methode
    } else if (document && document.body && document.body.offsetHeight) {
        var bodyHeight = document.body.offsetHeight - 65;
    }
    else {
         var bodyHeight = 500;
    }
    jsinfo = "/script/php/browsersize.php?PHPSESSID=&bodyWidth=" + bodyWidth + "&bodyHeight=" + bodyHeight
    str = "<img src =\""+jsinfo+"\" alt=\"counter\" height=\"1\" width=\"1\">";
    document.write(str+"\n");