anchor.diff:    var ItemField_language_select2 = {
       currentNumber : <%= raw (@work_has_languages.blank? ? 1 : @work_has_languages.size).to_json %>,
       itemTemplate : ''
  -      + '<input type="button" value="+" onClick="ItemField_language_select2.add();" /> '
  -      + '<input type="button" value="-" onClick="ItemField_language_select2.remove(__count__);" />',
  +      + '<td><input type="button" value="+" onClick="ItemField_language_select2.add();" /></td> '
  +      + '<td><input type="button" value="-" onClick="ItemField_language_select2.remove(__count__);" /></td>',
       add : function () {
         // language_clone
         var $clone = $("#languages_select2_hidden").clone();
  
positive.code:           <%#= select_tag 'language_type[' + i.to_s + ']',
                options_for_select(@language_types.collect{ |t| [t.display_name.localize, t.id] },
                :selected => whl[:language_type_id] ) %>
  
            <%= select2_script "language_id_" + i.to_s %>
            <%= make_select2("language_id_" + i.to_s, "language_id[" + i.to_s + "]", @languages, whl.language_id, 300) %>
            <%= select2_script "language_type_" + i.to_s %>
            <%= make_select2("language_type_" + i.to_s, "language_type[" + i.to_s + "]", @language_types, whl.language_type_id, 200) %>
            <%= button_to_function '+', 'ItemField_language_select2.add()' -%>
            <%= button_to_function '-', 'ItemField_language_select2.remove(' + i.to_s + ')' if i > 0 -%>
          </div>
        <% end %>
      <% end %>
  
negative.code:       // form のid,name設定
        $clone.attr('name', 'language_id[' + this.currentNumber + ']'); 
        $type_clone.attr('name', 'language_type[' + this.currentNumber + ']'); 
        var $new_field = $("<tr/>").attr("id", "LANG" + this.currentNumber);
        var newItem = this.itemTemplate.replace(/__count__/mg, this.currentNumber);
  
        var new_area = document.createElement("div");
        new_area.setAttribute("id", "LANG" + this.currentNumber);
        var $clone_field = $("<td/>");
        $clone_field.append($clone);
        var $type_clone_field = $("<td/>");
        $type_clone_field.append($type_clone);
        $new_field.append($clone_field);
        $new_field.append($type_clone_field);
        $new_field.append(newItem);
  
        $("#language > div > table > tbody").append($new_field);
  
        this.currentNumber += 1;
        $clone.select2({
  