var uploadMetadata = function (event) {
    var $content = $('#content');
    var $elements = $(this).find('input,textarea,select');
    var $button = $(this).find('.form-submit');
    var $form = $(this);

    $elements.removeClass('form-error');

    // validate
    var $select = $('#upload-form .form-select');
    if ($select.val() === 0) {
      $select.addClass('form-error');
      event.preventDefault();
      return false;
    }

    $button.val('Please wait ...');

    var getData = {'action': 'metadata'};
    $elements.each(function () {
      getData[$(this).attr('name')] = $(this).val();
    });

    $elements.prop('disabled', true);

    $.getJSON('/upload', getData, function (data) {
      if (data['youTube']) {
        var youtube = data['youTube'];

        if (youtube['url'] && youtube['token'] && data['id']) {
          $form.find('[name="token"]').val(youtube['token']);
          $form.find('[type="hidden"]').prop('disabled', false);

          var url = youtube['url'] + '?nexturl=' + encodeURIComponent(fURL.getDomain() + '/upload?hid=' + data['id']);
          $form.attr('action', url);

          var $upload = $('<input id="edit-file" type="file" class="form-file" name="file" required/>');
          var $container = $('<div class="form-file-container"/>');
          $container.append($('<label for="edit-file">Select your video file</label>'));
          $container.append($upload);
          $container.insertBefore('#upload-form > .form-ops-container');

          $button.val('Finish');
          $button.prop('disabled', false);

          $form.unbind('submit');

          $form.submit(function (event) {
            if (!$upload.val()) {
              $upload.addClass('form-error');
              event.preventDefault();
              return false;
            }

            $button.val('Please wait ...');
            $button.prop('disabled', true);
          });
        }
        else {
          getAuthSubToken($form.find('[name="title"]').val(), $form.find('[name="category_id"]').val(), $form.find('[name="tags"]').val());
        }
      }
    }).error(errorOut);

    event.preventDefault();
    return false;
  };