function SetCookie(cookieName1,cookieName2, cookieValue1, cookieValue2) {
 var nDays = 1000;
 var today = new Date();
 var expire = new Date();
 expire.setTime(today.getTime() + 3600000*24*nDays);
 document.cookie = cookieName1+"="+escape(cookieValue1)
                 + ";expires="+expire.toGMTString();
document.cookie = cookieName2+"="+escape(cookieValue2)
                 + ";expires="+expire.toGMTString();
}