inline.js

$(function () {
  /* Attachment form */
  $("form#new_attachment").ajaxForm({dataType: 'script'});
  $("form#new_attachment :file").change(function() {
    var uploadId = new Date().getTime();
    $('#attachment-list').append('<li id="upload_id_' + uploadId + '">' + this.value + ' <span>(uploading...)</span></li>');
    $('form#new_attachment input#upload_id').val("upload_id_" + uploadId);
    $(this).closest('form#new_attachment').submit();
  });
});