var screen_res = "";
function writeCookie(name,value,hours) {
var the_cookie = name+"="+value+"; expires=";
var expires = "";
hours=hours+0; //convert to number
if (hours > 0) { //0==expires on browser close
var date = new Date();
date.setTime(date.getTime()+(hours*60*60*1000));
expires = expires+date.toGMTString();
}
document.cookie = the_cookie+expires+"; path=/; domain=";
}
screen_res = window.screen.width+"x"+window.screen.height;
writeCookie("wassup_screen_res",screen_res,"48"); //keep 2 days