function openVoucher(url){
  window.open(url, "voucher","toolbar=no,location=no,directories=no,status=no,scrollbars=no,resizable=no,copyhistory=no,width=600,height=600,top=100,left=100");
}


function openTerms(url){
  window.open(url, "Terms","toolbar=no,location=no,directories=no,status=no,scrollbars=yes,resizable=no,copyhistory=no,width=650,height=500,top=100,left=300");
}