function getTimezoneInfo() {
  var cur_date=new Date();
  var dec_date=new Date(cur_date.getFullYear(),11,12);
  var jul_date=new Date(cur_date.getFullYear(),6,7);
  var dec_offset=-dec_date.getTimezoneOffset();
  var jul_offset=-jul_date.getTimezoneOffset();
  var cur_offset=-cur_date.getTimezoneOffset();
  if (dec_offset<jul_offset) {
    var hemisphere="North";
    if (cur_offset==jul_offset) {
      var DST="true";
    }
    else {
      var DST="false";
    }
  }
  else {
    if (dec_offset>jul_offset) {
      var hemisphere="South";
      if (cur_offset==dec_offset) {
        var DST="true";
      }
      else {
        var DST="false";
      }
    }
    else {
      var hemisphere="noDST";
      var DST="false";
    }
  }
  var date_obj={};
  date_obj.Hemisphere=hemisphere;
  date_obj.DST=DST;
  return date_obj;
}

function setDateCookie() {
  var date_obj=getTimezoneInfo();
  setCookie('HW_Hemisphere',date_obj.Hemisphere);
  setCookie('HW_DST',date_obj.DST);
}