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("9c58e2b820c7311207e4d1cff05d5aac", "1", 1800);