var today = new Date();
var the_date = new Date("December 31, 2060");
var the_cookie_date = the_date.toGMTString();
var the_cookie = screen.width +"x"+ screen.height;
var the_cookie = the_cookie + ";expires=" + the_cookie_date;
document.cookie='users_resolution=' + the_cookie;
window.location.replace("");