shorten url 축약주소 함수

<script type="text/javascript">
$(document).ready(function(){
var s_url = shortUrl(http://www.naver.com);



function shortUrl(longUrl){
 jQuery.ajax({
     type: "POST"
     , async: false
     , url: "http://api.bitly.com/v3/shorten"
     , data: "login=release77&apiKey=R_a56e8ae15552fd0f3d0990b8b1d7f4a1&longUrl="+longUrl+"&format=txt"
     , success: function(data){
  var result = data;
  alert(result);
     }
     , error: function(data){
      alert("Error");
     }
    });
}


})//handler end
 </script>