function setCookie(Name,Value,Days,domain) 
{
 var now = new Date();
 var expire = new Date();
 if (Days==null || Days==0) Days=1;
 expire.setTime(now.getTime() + 3600000*24*Days);
 document.cookie = Name+"="+escape(Value)
                 + ";path=/"
                 + ";expires="+expire.toGMTString()
                 + ";domain=" + domain;

}


function getCookie(name)
{
    var c = document.cookie;
    var pf = name + "=";
    var s = c.indexOf("; " + pf);
    if (s == -1)
    {
        s = c.indexOf(pf);
        if (s != 0) return null;
    }
    else
    {
        s += 2;
    }
    var e = document.cookie.indexOf(";", s);

    if (e == -1){
        e = c.length;
    }
    return unescape(c.substring(s + pf.length, e));
}