jQuery.Redactor.opts.langs["en_US"] = {
  html: "HTML",
  video: "Insert Video",
  image: "Insert Image",
  table: "Table",
  link: "Link",
  link_insert: "Insert link",
  link_edit: "Edit link",
  unlink: "Unlink",
  formatting: "Formatting",
  paragraph: "Normal text",
  quote: "Quote",
  code: "Code",
  header1: "Header 1",
  header2: "Header 2",
  header3: "Header 3",
  header4: "Header 4",
  header5: "Header 5",
  bold: "Bold",
  italic: "Italic",
  fontcolor: "Font Color",
  backcolor: "Back Color",
  unorderedlist: "Unordered List",
  orderedlist: "Ordered List",
  outdent: "Outdent",
  indent: "Indent",
  cancel: "Cancel",
  insert: "Insert",
  save: "Save",
  _delete: "Delete",
  insert_table: "Insert Table",
  insert_row_above: "Add Row Above",
  insert_row_below: "Add Row Below",
  insert_column_left: "Add Column Left",
  insert_column_right: "Add Column Right",
  delete_column: "Delete Column",
  delete_row: "Delete Row",
  delete_table: "Delete Table",
  rows: "Rows",
  columns: "Columns",
  add_head: "Add Head",
  delete_head: "Delete Head",
  title: "Title",
  image_position: "Position",
  none: "None",
  left: "Left",
  right: "Right",
  center: "Center",
  image_web_link: "Image Web Link",
  text: "Text",
  mailto: "Email",
  web: "URL",
  video_html_code: "Video Embed Code or Youtube\/Vimeo Link",
  file: "Insert File",
  upload: "Upload",
  download: "Download",
  choose: "Choose",
  or_choose: "Or choose",
  drop_file_here: "Drop file here",
  align_left: "Align text to the left",
  align_center: "Center text",
  align_right: "Align text to the right",
  align_justify: "Justify text",
  horizontalrule: "Insert Horizontal Rule",
  deleted: "Deleted",
  anchor: "Anchor",
  open_link: "Open Link",
  link_new_tab: "Open link in new tab",
  /* concrete5 */
  link_same_window: "Open link in same window",
  in_lightbox: "Open link in Lightbox",
  lightbox_link_type: "Link Type",
  lightbox_link_type_iframe: "Web Page",
  lightbox_link_type_image: "Image",
  lightbox_link_type_iframe_options: "Frame Options",
  lightbox_link_type_iframe_width: "Width",
  lightbox_link_type_iframe_height: "Height",
  customStyles: "Custom Styles",
  remove_font: "Remove font",
  change_font_family: "Change Font Family",
  remove_style: "Remove Style",
  insert_character: "Insert Character",
  undo: "Undo",
  redo: "Redo",
  remove_font_family: "Remove Font Family",
  remove_font_size: "Remove Font Size",
  change_font_size: "Change Font Size",
  /* end concrete5 */
  underline: "Underline",
  alignment: "Alignment",
  filename: "Name (optional)",
  edit: "Edit",
  upload_label: "Drop file here or "};

jQuery.Redactor.opts.lang = "en_US";
jQuery.each(jQuery.Redactor.opts.langs.en, function(key, value) {
  if(!(key in jQuery.Redactor.opts.langs["en_US"])) {
    jQuery.Redactor.opts.langs["en_US"][key] = value;
  }
});