CKEDITOR.plugins.setLang('esp_attachment', 'en',
{
  esp_attachment:
  {
    title: "Insert attachment",
    button: "Attachment",
    url: "URL",
    name: "Title",
    browseServer  : 'Browse',

    link:
    {
      targetNotSet: '<undefined>',
      targetFrame: '<frame>',
      targetNew: 'New window (_blank)',
      targetTop: 'Topmost window (_top)',
      targetSelf: 'Same window (_self)',
      targetParent: 'Parent window (_parent)'
    }
  }
});