cannot get country dropdownlist loaded using ajax and php

cannot get country dropdownlist loaded using ajax and php

I CANNOT GET THE COUNTRIES LOADED INTO THE COUNTRY DROPDOWNLIST
CAN SOMEBODY HELP ME

<HTML>
<HEAD>
</HEAD>
<STYLE>
    #SRCHORDERS{
    position :  absolute;
    top      :  100px;
left     :  20px;
width    :  100px; 
}

</STYLE>

<script src="//code.jquery.com/jquery-1.10.2.js"></script>
<SCRIPT>
    $(Document).ready(function(){
     var COUNTRYCOD = 0;
          $.ajax({
       type : "POST",
                url  : "http://localhost/AJAXPHPMYSQL/GETCOUNTRIES.PHP",
                success : function(COUNTRIES){
                    var CBOCONTROL = $("#COUNTRYCBO");
       CBOCONTROL.empty();   
                    for ( X = 0; X < COUNTRIES.length;x++){
            CBOCONTROL.append("<OPTION VALUE=" + COUNTRIES[X].COUNTRYCOD + ">" + COUNTRIES[X].COUNTRYNAM + "</OPTION>");
       };
       };  
 });
    });

 <SCRIPT>
 <DIV ID="SRCHORDERS">
   
         <SELECT NAME="DDCOUNTRY" ID="COUNTRYCBO">
   
   
         </SELECT>
   
         
  </DIV>
  

  
  ##################################################################
  ##################################################################
            GETCOUNTRIES.PHP
  
  <?php
    $CON        = mysql_connect("localhost","root","");
mysql_select_db ( "AJAXDBF", $CON );
    $SQLCOUNTRY = " SELECT * FROM COUNTRY ";
$FCOUNTRY   = mysql_query( $SQLCOUNTRY , $CON);
while ( $ROW  = mysql_fetch_array( $FCOUNTRY )){
   $COUNTRIES   = array(
 'COUNTRYCOD' => $ROW["COUNTRYCOD"],
     'COUNTRYNAM' => $ROW["COUNTRYNAM"]);  
}
    echo ( json_encode( $COUNTRIES ));

  ?>