if ($('#menu-to-edit')) {
            var file2_frame = wp.media.featuredImage.frame();
        }
        $('#menu-to-edit').delegate('.set-post-thumbnail', 'click', function( event ) {
            var obj = '';
            event.preventDefault();
            event.stopPropagation();
            var obj = $(this);
            console.log(obj);

            file2_frame.on('select',function() {

                attachment = file2_frame.state().get('selection').first().toJSON();

                var img_obj = obj.data('targetimg');
                var img_id = obj.data('targetid');
                var item_id = obj.data('itemid');

                $.post(ajaxurl,{action:'set_thumbnail',id:attachment.id,item:item_id}, function(data){
                    if (data == 1) {
                        console.log('wena');
                    }
                });
                //console.log( img_obj );
                $('.'+img_obj).attr('src', attachment.sizes.thumbnail.url);
                $('.'+img_id).val(attachment.id);
                console.log(attachment);
                file2_frame.state('destroy');
            });

            file2_frame.open();
            return false;
        });
}