function vSpy() {
    var l = document.location;
    var r = (typeof(document.referrer) == 'undefined') ? '' : document.referrer;
    var w = screen.width;
    var h = screen.height;
    var a = navigator.userAgent;
    var e = function (s) {
        try {
            return encodeURIComponent(s);
        } catch(e) {
            var e = escape(s);
            e = e.replace(/@/g, "%40");
            e = e.replace(/\//g, "%2f");
            e = e.replace(/\+/g, "%2b");
            return e;
        }
    };
    var args='';
    var img = new Image(1, 1);
    args += '&l=' + e(l); args += '&r=' + e(r);
    args += '&w=' + e(w); args += '&h=' + e(h);
    args += '&a='+e(a);
    img.src = '/vSpy/vSpy.aspx?' + args + "&random=" + Math.random();
    img.onload = function() { return; };
};
vSpy();