Event.observe(window, 'load', function() {
        Event.observe('clientonline', 'click', clientLogin);
});

function clientLogin(eventObj) 
{       
        var curel = Event.element(eventObj);
        windowprops = "left=450,top=350,width=400,height=226,toolbar=no,menubar=no,location=no,scrollbars=no,resizable=yes,status=yes";
        clientLoginWindow = window.open(searchtagup(curel, 'A').href, "clientLoginWindow", windowprops);
        Event.stop(eventObj);
}