function writeWhosOn(sWOPage) {
    var sWOSession;
    var sWOUrl;
    var sWOProtocol = window.location.protocol;
    var iWO = new Image(1, 1);

    // create a unique session cookie for the visitor if not already created
    var dt = new Date();
    var sWOCookie = document.cookie.toString();
    if (sWOCookie.indexOf("whoson") == -1) {
        sWOSession = parseInt(Math.random() * 1000) + "-" + dt.getTime();
        document.cookie = "whoson=" + sWOSession + ";expires=Fri, 31-Dec-2010 00:00:00 GMT;";
    }
    sWOCookie = document.cookie.toString();
    if (sWOCookie.indexOf('whoson') == -1) {
        sWOSession = "";
    } else {
        var s = sWOCookie.indexOf("whoson=") + 7;
        var e = sWOCookie.indexOf(";", s);
        if (e == -1) e = sWOCookie.length;
        sWOSession = sWOCookie.substring(s, e);
    }
    if (sWOPage == "") sWOPage = escape(window.location);
    if (sWOProtocol == "file:") sWOProtocol = "http:";
    sWOUrl = sWOProtocol + "//gateway.whoson.com/stat.gif?u=" + sWOSession + "&d=www.email2db.com";
    sWOUrl += "&p='" + sWOPage + "'&r='" + escape(document.referrer) + "'";
    iWO.src = sWOUrl;
    return;
}