问通过javascript-ajax的twitter引导模式与PHP POST请求

EN

<button id="<?php echo $id; ?>" class="btn btn-warning" action="<?php echo htmlspecialchars($_SERVER["PHP_SELF"]); ?>">
      <span class="glyphicon glyphicon-trash"></span> delete id
    </button>

<script type="text/javascript">
  //delete id
  $(document).on('click','.btn-warning',function(){ 
    var element = $(this);
    var del_id = element.attr("id");
    var info = 'id=' + del_id;

    if(confirm("are you sure ?")){
      $.ajax({
        type: "POST",
        url: "page.php",
        data: info,
        success: function(){ window.location.href = "/logout.php"; }
      });
    }
    return false;
  });
</script>

PHP
if($_POST['id']){

      $id=$_POST['id'];
      $id = mysql_real_escape_string($id);
...