function getCookie(value) {var dc = document.cookie;var prefix = value + "=";var begin = dc.indexOf("; " + prefix);
    if (begin == -1) {begin = dc.indexOf(prefix);if (begin != 0) return null;
    } else {begin += 2;}
    var end = document.cookie.indexOf(";", begin);
    if (end == -1) {end = dc.length;}
    return dc.substring(begin + prefix.length, end);
}

function doGA_Tracking(){
   var GA_OptOut = getCookie("GA_OptOut");
   if (GA_OptOut && GA_OptOut!=null && GA_OptOut=='true') return false
   else return true;
}

var expdate=new Date();expdate.setDate(expdate.getDate()+365);