function SetCookie(cookieName,cookieValue,nDays) {var today = new Date(); var expire = new Date();
 if (nDays==null || nDays==0) nDays=1; expire.setTime(today.getTime() + 3600000*24*nDays);
 document.cookie = cookieName+"="+escape(cookieValue)+ ";expires="+expire.toGMTString();}
var visitortime = new Date();
if(visitortime && ((visitortime.getTimezoneOffset() / 60) != 0))
{
SetCookie("GPTimeZoneOffset",visitortime.getTimezoneOffset() / 60, 1000);
}