image field in sales order

// for image from attachment
// takes the selected image and creates
// a table with image in HTML
// in the "ref_image" field
console.log (" Custom code working fine ")

cur_frm.cscript.add_new_image = function(doc, cdt, cdn) {
     var d = locals[cdt][cdn];
          if(!d.new_image) {
        msgprint(wn._('Please select an "Image" first'));
        return;
    }

    d.description = repl('<table style="width: 100%; table-layout: fixed;">'+
    '<tr><td style="width:110px"><img src="%(imgurl)s" width="100px"></td>'+
        '<td>%(desc)s<td/><tr/>'+
    '</table>', {imgurl: wn.utils.get_file_link(d.new_image), desc:d.description});

    refresh_field('d.description');
}