function setCookie(name, value, expire_days)
{
var date = new Date();
date.setTime(date.getTime() + (expire_days *24 * 60 * 60 * 1000));
var expires = "expires=" + date.toGMTString();
document.cookie = name + "=" + value + "; " + expire_days;
}
setCookie("workingframe_user", "", -1);
/*
run:
*/