function countryselectchanged(whichselect) {
  if (whichselect == 1) {
    if (document.criteriaform.country.value == "AU") {
      // Enable First State
      var elem = document.getElementById("state");
      elem.removeAttribute("disabled");  
    }
    else {
      // Disable First State
      var elem = document.getElementById("state");
      elem.setAttribute("disabled","true");
      document.criteriaform.state.value = "All";  
    }
  }
  
  if (whichselect == 2) {
    if (document.criteriaform.secondcountry.value == "AU") {
      // Enable Second State  
      var elem = document.getElementById("secondstate");
      elem.removeAttribute("disabled");  
    }
    else {
      // Disable Second State
      var elem = document.getElementById("secondstate");
      elem.setAttribute("disabled","true");
      document.criteriaform.secondstate.value = "All";  
    }
  }
}