EDIT

(Drupal.cdm_annotationsAutoAttach = (function($){

  $('span.annotation_toggle').click( function(){

    var spanElement = $(this);

    var annotation_box = $(this).parent().find('.annotation_box');;

    function getAnnotations (){

      var url = spanElement.attr('rel');

      if(url != undefined){

        $.get(url, displayAnnotations);

      }

    }

    function displayAnnotations(html){

      annotation_box.empty().append(html);

      var form = annotation_box.find('.annotation_create').find('form');

      form.submit(function(){

        var options = {'success' : getAnnotations};

        $(this).ajaxSubmit(options);

        //alert ($(this).formSerialize());

        return false;

      });

     //.slideToggle("fast");

      annotation_box.show();

    }

    getAnnotations();

  });

}))(jQuery)

jQuery(document).ready(Drupal.cdm_annotationsAutoAttach);