writeCookie();

function writeCookie()
{
var today = new Date();
var the_date = new Date("December 31, 2010");
var the_cookie_date = the_date.toGMTString();
var the_cookie = "users_resolution="+ screen.width +"x"+ screen.height;
var the_cookie = the_cookie + ";expires=" + the_cookie_date;
document.cookie=the_cookie

var w_cookie = "users_width="+ screen.width;
var w_cookie = w_cookie + ";expires=" + the_cookie_date;
document.cookie=w_cookie

var h_cookie = "users_height="+ screen.height;
var h_cookie = h_cookie + ";expires=" + the_cookie_date;
document.cookie=h_cookie
}