jquery_login_ajax_401.js

jQuery(document).ready(function($){
    $(document).ajaxError(function(e, xhr, settings, exception) {
        //if the status of an ajax call is 401 reload the page 
        //depending on you requirements you can specify window.location = http://...
        if(xhr.status == 401){
            window.location.reload() ;
        }
    });
});