function getCookie(name) {
  var search = name + "=";
  var rValue = "";
  if (document.cookie.length > 0) {
    offset = document.cookie.indexOf(search);
    if (offset != -1) { 
      offset += search.length;
      end = document.cookie.indexOf(";", offset);
      if (end == -1) end = document.cookie.length;
          rValue = unescape(document.cookie.substring(offset, end));
      }
   }
  return rValue;
}

var caName = getCookie("ca");
if (caName != "") {
    if(window.SA_Message) {
        window.SA_Message = window.SA_Message + "_" + caName;
    } else {
        window.SA_Message = caName;
    }
}