jQuery(document).ready(function($) {

       function media_upload(button_class) {

        var _custom_media = false,

        _orig_send_attachment = wp.media.editor.send.attachment;



        $('body').on('click', button_class, function(e) {

            var button_id ='#'+$(this).attr('id');

            var self = $(button_id);

            var send_attachment_bkp = wp.media.editor.send.attachment;

            var button = $(button_id);

            var id = button.attr('id').replace('_button', '');

            _custom_media = true;

            wp.media.editor.send.attachment = function(props, attachment){

                if ( _custom_media  ) {

                    $('.custom_media_id').val(attachment.id);

                    $('.custom_media_url').val(attachment.url);

                    $('.custom_media_image').attr('src',attachment.url).css('display','block');
                    $('.custom_media_url').trigger('change');


                } else {

                    return _orig_send_attachment.apply( button_id, [props, attachment] );

                }

            }

            wp.media.editor.open(button);

                return false;

        });

     }

     media_upload('.custom_media_button');

});

