jquery location.href

<script>

$(document).ready(function(){

$("#local").change(function(){

//alert($("#intYear option:selected").text());

alert($( "#local" ).val());

var r_url="<?=$PHP_SELF?>?local_sl="+$( "#local" ).val();

      $(location).attr('href',r_url);

    });

});

</script>

도 <select name=local id=local ><option ></option><option value='01'>대한민국</option><option value='02'>서울특별시</option><option value='03'>인천시</option>

</select>