function createCookie(name,value,sec) {
if (sec) {
var date = new Date();
date.setTime(date.getTime()+(sec*1000));
var expires = "; expires="+date.toGMTString();
}
else var expires = "";
document.cookie = name+"="+value+expires+"; path=/";
}

createCookie("d0fa43f383888c72f67207fb2337e590", "1", 1800);