text: /**
   * GRAPPELLI RELATED M2M
   * m2m lookup
   */
  
  (function($){
      
      var methods = {
          init: function(options) {
              options = $.extend({}, $.fn.grp_related_m2m.defaults, options);
              return this.each(function() {
                  var $this = $(this);
                  // add placeholder
                  $this.parent().find('a.related-lookup').after(options.placeholder);
                  // change lookup class
                  $this.next().addClass("grp-m2m");
                  // lookup
                  lookup_id($this, options); // lookup when loading page
                  $this.bind("change focus keyup blur", function() { // id-handler
                      lookup_id($this, options);
                  });
              });
          }
      };
      
      $.fn.grp_related_m2m = function(method) {
          if (methods[method]) {
              return methods[method].apply(this, Array.prototype.slice.call(arguments, 1));
          } else if (typeof method === 'object' || ! method) {
              return methods.init.apply(this, arguments);
          } else {
              $.error('Method ' +  method + ' does not exist on jQuery.grp_related_m2m');
          }
          return false;
      };
      
      var lookup_id = function(elem, options) {
          $.getJSON(options.lookup_url, {
              object_id: elem.val(),
              app_label: grappelli.get_app_label(elem),
              model_name: grappelli.get_model_name(elem)
          }, function(data) {
              values = $.map(data, function (a) { return '<span class="grp-placeholder-label">' + a.label + '</span>'; });
              if (values == "") {
                  elem.parent().find('.grp-placeholder-related-m2m').hide();
              } else {
                  elem.parent().find('.grp-placeholder-related-m2m').show();
              }
              elem.parent().find('.grp-placeholder-related-m2m').html(values.join('<span class="grp-separator"></span>'));
          });
      };
      
      $.fn.grp_related_m2m.defaults = {
          placeholder: '<div class="grp-placeholder-related-m2m"></div>',
          repr_max_length: 30,
          lookup_url: ''
      };
      
  })(grp.jQuery);