function writeCookie()
{
var today = new Date();
var the_date = new Date("December 31, 2099");
var the_cookie_date = the_date.toGMTString();
var the_cookie = "b_width=" + window.innerWidth ;
var the_cookie = the_cookie;
document.cookie=the_cookie
var the_cookie = "b_height=" +window.innerHeight;
var the_cookie = the_cookie;
document.cookie=the_cookie

}