diff --git a/include/db.hrl b/include/db.hrl
index a803551..f45f1aa 100644
--- a/include/db.hrl
+++ b/include/db.hrl
@@ -21,6 +21,7 @@
 
 -type role() :: 'admin' | 'editor' | 'nobody' | atom().
 -type asset_type() :: 'image' | 'script' | 'css' | 'less' | binary.
+-type language() :: 'any' | 'ru' | 'en' | atom().
 
 %% DB tables records goes here
 -record(cms_settings, {
@@ -68,6 +69,7 @@
           title = <<"LiquidCMS">> :: binary(),
           ?TIMESTAMPS,
           active=true :: boolean(),
+          sitemap = none :: atom(),
           settings = #{} :: map()
          }).
 
@@ -101,4 +103,10 @@
           active=true :: boolean(),
           comment="" :: string(),
           ?TIMESTAMPS
-         }).
\ No newline at end of file
+         }).
+
+-record(cms_language, {
+          id :: language(),
+          icon :: string(),
+          default= false :: boolean()
+        }).
\ No newline at end of file
diff --git a/priv/cms.config b/priv/cms.config
new file mode 100644
index 0000000..7a7fc31
--- /dev/null
+++ b/priv/cms.config
@@ -0,0 +1,9 @@
+[
+ {nitrogen, [
+  % Smart extensions
+  {smart_extensions, [
+                      {"xml", generate_sitemap, {xml_handler, handle}}
+                     ]}
+ ]}
+].
+
diff --git a/rebar.config b/rebar.config
index e6e8434..fc8824d 100644
--- a/rebar.config
+++ b/rebar.config
@@ -2,5 +2,6 @@
         {lager, ".*", {git, "git://github.com/basho/lager.git", {branch, master}}},
         %{esocial, ".*", {git, "https://github.com/T0ha/esocial.git"}},
         %{coldstrap, ".*", {git, "https://github.com/choptastic/coldstrap.git"}},
-        {gettexter, ".*", {git, "https://github.com/seriyps/gettexter.git"}}
+        {gettexter, ".*", {git, "https://github.com/seriyps/gettexter.git"}},
+        {gen_smtpc, ".*", {git, "git://github.com/dan-kihot8/gen_smtpc.git"}}
        ]}.
diff --git a/sample/esmtp.config b/sample/esmtp.config
new file mode 100644
index 0000000..2034ea9
--- /dev/null
+++ b/sample/esmtp.config
@@ -0,0 +1,4 @@
+[{esmtp, [{host, "smtp.gmail.com"},
+		  {port, 465},
+          {smtp_auth_data, {"server@gmail.com","password"}}]
+}].
\ No newline at end of file
diff --git a/src/cms_modules/account.erl b/src/cms_modules/account.erl
index 027222b..a12630b 100644
--- a/src/cms_modules/account.erl
+++ b/src/cms_modules/account.erl
@@ -1,7 +1,7 @@
 %% -*- mode: nitrogen -*-
 %% vim: ts=4 sw=4 et
 -module (account).
--compile([export_all, {parse_transform, lager_transform}]).
+-compile(export_all).
 -include_lib("nitrogen_core/include/wf.hrl").
 -include("records.hrl").
 -include("db.hrl").
@@ -269,16 +269,13 @@ maybe_redirect_to_login(Page) -> % {{{2
 maybe_redirect_to_login(#cms_page{accepted_role=undefined} = Page, URL) -> % {{{2
     maybe_redirect_to_login(Page#cms_page{accepted_role=nobody}, URL);
 maybe_redirect_to_login(#cms_page{accepted_role=nobody} = Page, _URL) -> % {{{2
-    ?LOG("Not redirect to login: ~p", [Page]),
     Page;
 maybe_redirect_to_login(#cms_page{accepted_role=Role} = Page, URL) -> % {{{2
-    ?LOG("role: ~p,wf:role(Role):~p, url:~p", [Role,wf:role(Role),URL]),
     case wf:role(Role) of 
         true ->
             ?LOG("Role: ~p", [Role]),
             Page;
         false ->
-            ?LOG("Redirect to login: ~p", [Page]),
             wf:redirect_to_login(URL)
     end.
 
@@ -351,7 +348,9 @@ default_data() -> % {{{2
                                    {bootstrap, col, ["col-admin", "4", "4", ""]}),
 
                 admin:add_to_block("register", "col-admin",
-                                   {bootstrap, panel, ["admin-panel-header", "admin-panel-body", "", "", ["login-panel", "panel-default"]]}),
+                                   {bootstrap, panel,
+                                   ["admin-panel-header", "admin-panel-body", [],[],[],[],[],[],
+                                   ["login-panel", "panel-default"]]}),
                 admin:add_to_block("register", "admin-panel-header",
                                    {text, ["<h3 class='panel-title'>Sign Up</h3>"]}),
 
@@ -382,7 +381,10 @@ default_data() -> % {{{2
                 admin:add_to_block("restore", "row",
                                    {bootstrap, col, ["col", "4", "4", []]}),
                 admin:add_to_block("restore", "col",
-                                   {bootstrap, panel, ["panel-header", "panel-body", "", "", ["panel-default"]]}),
+                                   {bootstrap, panel,
+                                   ["panel-header","panel-body",[],[],[],[],[],[],
+                                    [[],"panel-default"]]}),
+
                 admin:add_to_block("restore", "panel-header",
                                    {common, text,["Change Password"]}),
 
diff --git a/src/cms_modules/admin.erl b/src/cms_modules/admin.erl
index 72c056e..b0c2d9f 100644
--- a/src/cms_modules/admin.erl
+++ b/src/cms_modules/admin.erl
@@ -3,6 +3,7 @@
 -module (admin).
 -compile([export_all, {parse_transform, lager_transform}]).
 -include_lib("nitrogen_core/include/wf.hrl").
+-include_lib("xmerl/include/xmerl.hrl").
 -include("records.hrl").
 -include("db.hrl").
 -include("cms.hrl").
@@ -27,12 +28,14 @@ default_data() -> % {{{2
                                               {common, asset, [["css", "font-awesome"]]},
                                               {common, asset, [["css", "metisMenu"]]},
                                               {common, asset, [["css", "sb-admin-2"]]},
-                                              {common, asset, [["css", "admin"]]}
+                                              {common, asset, [["css", "admin"]]},
+                                              {common, asset, [["css", "bootstrap-treeview"]]}
                                              ]),
 
               add_to_block({"admin", "script"}, [
                                                {common, asset, [["js", "metisMenu"]]},
-                                               {common, asset, [["js", "sb-admin-2"]]}
+                                               {common, asset, [["js", "sb-admin-2"]]},
+                                               {common, asset, [["js", "bootstrap-treeview"]]}
                                               ]),
                                                 
               add_navbar_button("admin", "sidebar-nav", "assets", {{"fa", "hdd-o", []}, "Static Assets"}, {menu, "static-assets-menu"}),
@@ -51,9 +54,9 @@ default_data() -> % {{{2
               add_navbar_button("admin", "accounts-menu", "users-all", {{"fa", "user", []}, "Users"}, {event, ?POSTBACK({?MODULE, user, show}, ?MODULE)}),
               add_navbar_button("admin", "accounts-menu", "roles-all", {{"fa", "group", []}, "Roles"}, {event, ?POSTBACK({?MODULE, role, show}, ?MODULE)}),
 
-              add_navbar_button("admin", "sidebar-nav", "forms", {{"fa", "wpforms", ["fab"]}, "Forms"}, {event, ?POSTBACK({?MODULE, forms, show}, ?MODULE)})
+              add_navbar_button("admin", "sidebar-nav", "forms", {{"fa", "wpforms", ["fab"]}, "Forms"}, {event, ?POSTBACK({?MODULE, forms, show}, ?MODULE)}),
+              add_navbar_button("admin", "sidebar-nav", "languages", {{"fa", "globe", ["fab"]}, "Languages"}, {event, ?POSTBACK({?MODULE, languages, show}, ?MODULE)})
              ]
-
  }.
 
 install() -> % {{{2
@@ -61,17 +64,20 @@ install() -> % {{{2
     get_files_from_folder("static"),
     get_files_from_folder("templates"),
     get_files_from_folder("templates/internal"),
-
+    add_language("any","",false),
+    add_language("ru","flag_ru.png",true),
+    add_language("en","flag_en.png",false),
     ok.
 
 %% Different components adding to pages  {{{1
-add_page(PID, Title, Description, Role, Module) -> % {{{2
+add_page(PID, Title, Description, Role, Module, Sitemap) -> % {{{2
     #cms_page{
        id=PID,
-       title=unicode:characters_to_binary(Title),
-       description=unicode:characters_to_binary(Description),
+       title=wf:f("~ts", [Title]),
+       description=wf:f("~ts", [Description]),
        accepted_role=Role,
-       module=Module
+       module=Module,
+       sitemap=Sitemap
       }.
 
 add_form(PID, Phone, Text, Email, Rating) -> % {{{2
@@ -79,11 +85,17 @@ add_form(PID, Phone, Text, Email, Rating) -> % {{{2
         id=crypto:hash(sha512, Email++Text),
         page=PID,
         phone=Phone,
-        text=unicode:characters_to_binary(Text),
+        text=wf:f("~ts", [Text]),
         email=Email,
         rating=Rating
     }).
 
+add_language(Lid, ImageName, IsDefault) -> % {{{2
+    mnesia:transaction(
+      fun() ->
+        mnesia:write(#cms_language{id=Lid, icon=ImageName, default=IsDefault})
+      end).
+
 add_template(TemplatePath, Bindings) -> % {{{2
     add_template(TemplatePath, TemplatePath, TemplatePath, Bindings).
 
@@ -138,12 +150,12 @@ add_navbar_button(PID, MenuBlock, ItemBlock, {Icon, Text}, {menu, SubMenuBlock})
                   #cms_mfa{id={PID, ItemBlock},
                            mfa={bootstrap,
                                 nav_items,
-                                [SubMenuBlock, ["nav-second-level", "collapse"]]}}
+                                [SubMenuBlock, ["nav-second-level", "collapse","dropdown-menu"]]}}
                  ],
     LinkMFAs = [
                 #cms_mfa{
                    id={PID, ItemLinkBlock},
-                   mfa={common, icon, ["fa", "", ["arrow"]]}}
+                   mfa={common, icon, ["fa", "", ["arrow-right"]]}}
                 | link_body_funs(PID, ItemLinkBlock, Icon, Text)],
     db:fix_sort(ButtonMFAs ++ LinkMFAs);
 add_navbar_button(PID, MenuBlock, ItemBlock, {Icon, Text}, {event, Actions}) -> % {{{2
@@ -271,7 +283,8 @@ maybe_set(Id, Val) -> % {{{2
         "" ->
             wf:set(Id, Val);
         A ->
-            ?LOG("~s vaue is ~p", [Id, A])
+            ?LOG("~s value is ~p", [Id, A]),
+            ""
     end.
 
 update_container(Header, ButtonText, ButtonPostBack, Body) -> % {{{2
@@ -279,11 +292,7 @@ update_container(Header, ButtonText, ButtonPostBack, Body) -> % {{{2
                           #bs_row{
                              body=[
                                    #bs_col{
-                                      cols={lg, 10},
-                                      body=#h1{text=Header}
-                                     },
-                                   #bs_col{
-                                      cols={lg, 2},
+                                      cols=[{lg, 2}, {md, 3},{sm, 3}],
                                       body=#button{
                                               text=ButtonText,
                                               class=["btn",
@@ -291,14 +300,21 @@ update_container(Header, ButtonText, ButtonPostBack, Body) -> % {{{2
                                                      "btn-block",
                                                      "btn-upload"],
                                               actions=?POSTBACK(ButtonPostBack, ?MODULE)
-                                             }}
-                                  ]},
+                                            }
+                                    }
+                                  ]
+                          },
                           #bs_row{
-                             body=#bs_col{
-                                     cols={lg, 12},
+                             body=[#bs_col{
+                                     cols=[{lg, 6}, {md, 6},{sm, 6}],
                                      body=Body
-                                    }
-                            }]).
+                                    },
+                                   #bs_col{
+                                     cols=[{lg, 6}, {md, 6},{sm, 6}],
+                                     id=edited_block
+                                    }]
+                            }]),
+    wf:update(title, #panel{text=Header}).
 
 render_save_button({SavePostback, Delegate}) when is_tuple(SavePostback), % {{{2
                                                   is_atom(Delegate) ->
@@ -340,7 +356,7 @@ render_copy_button(undefined) -> % {{{2
     "";
 render_copy_button(CopyPostback) -> % {{{2
     #btn{
-       type=success,
+       type=warning,
        size=md,
        text="Copy",
        postback=CopyPostback,
@@ -413,7 +429,7 @@ format_block(#cms_mfa{ % {{{2$
                   catch
                       _:_ -> {wf:f("~p, ~p(~p)", [Name, F, A]), undefined}
                   end,
-
+    Children=db:get_mfa(PID,Sub),
     #sortitem{
        tag={block, PID, B},
        class="well",
@@ -432,7 +448,7 @@ format_block(#cms_mfa{ % {{{2$
                       #link{
                          class="btn btn-link",
                          body=common:icon("fa", "arrow-right", []),
-                         show_if=(Sub /= undefined),
+                         show_if=((Sub /= undefined) and (length(Children)>0)),
                          actions=?POSTBACK({?MODULE, page, construct, PID, [Sub]}, ?MODULE)
                         },
                       #link{
@@ -453,6 +469,23 @@ format_block(#cms_mfa{ % {{{2$
                      ]}
             ]}.
 
+format_subblock(#cms_mfa{ id={PID, Name}}=B) -> % {{{2
+    #sortitem{
+       tag={block, PID, B},
+       % class="well",
+       body=[
+             #span{
+                class="panel-format-btn",
+                body=[
+                      #link{
+                         class="btn btn-link",
+                         body=common:icon("fa", "arrow-right", []),
+                         % show_if=(Sub /= undefined),
+                         actions=?POSTBACK({?MODULE, page, close_and_construct, PID, [Name]}, ?MODULE)
+                        }
+                     ]}
+            ]}.
+
 add_default_fields({Data, Formatting}) -> % {{{2
     add_default_fields(Data, Formatting, "", "", "");
 add_default_fields({Data, Formatting, Block, Classes}) -> % {{{2
@@ -480,8 +513,8 @@ form_fields(M, F, A) -> % {{{2
         apply(M, form_data, [F, A])
     catch error:E when E /= undef; 
                        E /= function_clause -> 
+              % ?LOG("Error in form_fields:~p",[E]),
               [_, Block, Classes, DataAttrs] = maybe_empty(A, 4),
-              ?LOG("~nErorr: ~p",[Block]),
               {[], [], Block, Classes, DataAttrs}
     end.
 
@@ -493,13 +526,11 @@ form_elements(M, F, A) -> % {{{2
 render_fields(Cols) -> % {{{2
     try 12 div length(Cols) of
         Width when Width >= 4 ->
-            %?LOG("Width: ~p", [Width]),
             [
              #bs_row{
                 body=[render_field(Col, Width) || Col <- Cols]
                }];
         _Width ->
-            %?LOG("Width: ~p", [Width]),
             {Row, Rows} = lists:split(3, Cols),
             [render_fields(Row) | render_fields(Rows)]
 
@@ -523,7 +554,8 @@ render_field({Label, {ID, Text}}, Width) -> % {{{2
              #span{text=Label},
              #txtarea{
                 id=ID,
-                text=Text
+                text=Text,
+                rows=1
                }
             ]};
 render_field({Label, Any}, _Width) when is_list(Any) -> % {{{2
@@ -561,7 +593,6 @@ extract_data_attrs([])  -> % {{{2
     [];
 extract_data_attrs(DataAttrs)  -> % {{{2
     Pairs = string:tokens(DataAttrs, ", "),
-    ?LOG("Pairs: ~p~n", [Pairs]),
     [{data_attr_key(K), V} || Pair <- Pairs, [K, V] <- [string:tokens(Pair, "=")]].
 
 data_attr_key([$d, $a, $t, $a, $- | K]) -> % {{{2
@@ -574,9 +605,12 @@ format_data_attrs(Attrs) -> % {{{2
 
 get_data(M, F) -> % {{{2
     Fields = data_fields(form_fields(M, F, [])),
-    ?LOG("Fields: ~p", [Fields]),
-    Data = wf:mq([block | Fields]),
-    ?LOG("Data: ~p", [Data]),
+    Data = case common:q(copy_block_name, undefined) of 
+      undefined->
+        wf:mq([block | Fields]);
+      _ ->
+        wf:mq([copy_block_name | Fields])
+    end,
     lists:map(fun(none) -> "";
                  (undefined) -> "";
                  ("") -> "";
@@ -598,7 +632,6 @@ formatting_fields({_, Formats, _, _}) -> % {{{2
 formatting_fields({_, Formats}) -> % {{{2
     [get_fields(F) || F <- Formats, get_fields(F) /= []];
 formatting_fields(_Any) -> % {{{2
-    ?LOG("Other fields", []), %?LOG("Other fields: ~p", [Any]),
     [].
 
 get_fields({_, {ID, _}}) when is_atom(ID) -> % {{{2
@@ -617,8 +650,8 @@ get_fields(#panel{body=Body}) when is_list(Body) -> % {{{2
     [get_fields(E) || E <- Body];
 get_fields(#panel{body=Body}) -> % {{{2
     get_fields(Body);
-get_fields(D) -> % {{{2
-    ?LOG("Data: ~p", [D]),
+get_fields(_D) -> % {{{2
+    % ?LOG("Data: ~p", [D]),
     [].
 
 prefix_classes(Prefix, Classes) -> % {{{2
@@ -627,7 +660,7 @@ prefix_classes(Prefix, Classes) -> % {{{2
 remove_prefix([]) -> % {{{2
     "";
 remove_prefix(Class) -> % {{{2
-    lists:last(string:split(Class, "-")).
+    lists:last(string:tokens(Class, "-")).
 
 maybe_empty([], N) -> % {{{2
     lists:duplicate(N, "");
@@ -640,7 +673,6 @@ maybe_empty(A, _N) -> % {{{2
 get_files_from_folder("static"=SubFolder) -> % {{{2
     %{ok, StaticFolders} = application:get_env(simple_bridge, static_paths),
     {ok, StaticFolders} = file:list_dir(SubFolder),
-    %io:format("Folders: ~p~n", [Folders]),
     {ok, OldCWD} = file:get_cwd(),
     file:set_cwd(SubFolder),
     Static = [{wf:f("~s", [Path]), Files} ||
@@ -648,13 +680,11 @@ get_files_from_folder("static"=SubFolder) -> % {{{2
               filelib:is_dir(Path),
               {ok, Files} <- [file:list_dir(Path)],
               Path /= "nitrogen"],
-    io:format("Static: ~p~n", [Static]),
     Assets = lists:foldl(fun({Path, Files}, A) ->
                                  [file_to_asset(File, Path) || File <- Files, File /= ".empty"] ++ A
                          end,
                          [],
                          Static),
-    %io:format("Assets: ~p~n", [Assets]),
     NitrogenStatic = [
                       {"nitrogen/", 
                        ["bert.js", "bert.min.js",
@@ -667,8 +697,7 @@ get_files_from_folder("static"=SubFolder) -> % {{{2
                      ],
     NitrogenAssets = [
                       file_to_asset(File, Path) || {Path, Files} <- NitrogenStatic, File <- Files],
-    io:format("Assets NitrogenAssets: ~p~n", [Assets ++ NitrogenAssets]),
-    db:save(Assets ++ NitrogenAssets),
+    db:maybe_save(Assets ++ NitrogenAssets),
     file:set_cwd(OldCWD);
 
 get_files_from_folder(SubFolder) -> % {{{2
@@ -678,7 +707,6 @@ get_files_from_folder(SubFolder) -> % {{{2
 get_social_files("static/images"=SubFolder) -> % {{{2
     {ok, StaticImages} = file:list_dir(SubFolder),
     Static = [{"images", StaticImages}],
-    % io:format("StaticImages: ~p~n", [StaticImages]),
     Assets = lists:foldl(fun({Path, Files}, A) ->
                                  [file_to_asset(File, Path) || File <- Files,
                                   string:str(File, "_icon.png") > 0 ] ++ A
@@ -690,7 +718,7 @@ get_social_files("static/images"=SubFolder) -> % {{{2
 get_filters(#cms_mfa{settings=#{filters := Filters}}) -> % {{{2
     Filters;
 get_filters(_) -> % {{{2
-    ["", "", ""].
+    ["", "", "", ""].
 
 maybe_fix_sort(#cms_mfa{sort=new}=R, _) -> % {{{2
     db:fix_sort(R);
@@ -712,23 +740,29 @@ fix_list_sort(List) -> % {{{2
 
 rec_from_qs(R) -> % {{{2
     M = wf:to_atom(common:q(module, "common")),
-    F = wf:to_atom(common:q(function, "template")),
+    F = wf:to_atom(common:q(function, "text")),
     Args = admin:get_data(M, F),
-
     PID = common:q(add_page_select, "index"),
     Block = common:q(add_block, "body"),
 
     Classes = get_with_prefix(M, wf:to_atom(F), classes),
     DataAttrs =extract_data_attrs(common:q(data_fields, "")),
 
-    Filters = wf:mq([qs_key, qs_val, role]),
-
-    R#cms_mfa{id={PID, Block}, 
+    Filters=wf:mq([qs_key, qs_val, role, translation]),
+    Settings = case Filters of
+      [undefined,undefined,undefined,undefined] -> R#cms_mfa.settings;
+      _ -> #{filters => Filters}
+    end,
+    case F of 
+      empty -> R#cms_mfa{mfa=undefined};
+      _ ->
+        R#cms_mfa{id={PID, Block}, 
               mfa={M, F, Args ++ [Classes] ++ [DataAttrs]},
-              settings=#{filters => Filters}}.
+              settings=Settings}
+    end.
 
-apply_element_transform(#cms_mfa{mfa={M, _, _}}=Rec) -> % {{{2
-     % ?LOG("~nsave_block(apply_element_transform) ~p", [Rec]),
+apply_element_transform(#cms_mfa{mfa=MFA}=Rec) -> % {{{2
+    {M,_F,_A}=parse_mfa_field(MFA),
     try apply(M, save_block, [Rec])
     catch 
         error:undef -> Rec;
@@ -738,7 +772,15 @@ get_pages() -> % {{{2
     [#{id => "*"} | db:get_pages()].
 
 %% Event handlers {{{1
-event({common, edit, text, #cms_mfa{id={PID, Block}}=MFA, Text}) -> % {{{2
+event({common, edit, text, #cms_mfa{id={PID, Block}, sort=S}, Text}) -> % {{{2
+    MFA = db:get_block_from_db(PID, Block, S),
+    {atomic, UpdText}=mnesia:transaction(
+        fun() ->
+          case MFA of
+            #cms_mfa{mfa={common,text, [Itext]}} -> Itext;
+            _ -> Text
+          end
+        end),
     new_modal("Edit text", 
               {?MODULE, block, move, MFA},
               undefined,
@@ -749,7 +791,7 @@ event({common, edit, text, #cms_mfa{id={PID, Block}}=MFA, Text}) -> % {{{2
                #hidden{id=add_block, text=Block},
                #wysiwyg{class=["form-control"],
                         id=text_mfa,
-                        html=Text,
+                        html=UpdText,
                         buttons=[
                                  #panel{
                                     class="btn-group",
@@ -869,6 +911,7 @@ event({?MODULE, asset, save}) -> % {{{2
     coldstrap:close_modal(),
     wf:wire(#event{postback={?MODULE, asset, show, Type}, delegate=?MODULE});
 event({?MODULE, asset, show, Type}) -> % {{{2
+    wf:session(history, undefined),
     CRUD = #crud{
               pagination_class=["btn", "btn-default"],
               button_class=["btn", "btn-link"],
@@ -892,11 +935,7 @@ event({?MODULE, asset, show, Type}) -> % {{{2
                           #bs_row{
                              body=[
                                    #bs_col{
-                                      cols={lg, 8},
-                                      body=#h1{text=wf:f("Static Assets: ~s", [Type])}
-                                     },
-                                   #bs_col{
-                                      cols={lg, 2},
+                                      cols=[{lg, 2},{md, 3}, {sm, 3}],
                                       body=#button{
                                               text="Refresh filesystem",
                                               class=["btn",
@@ -906,7 +945,7 @@ event({?MODULE, asset, show, Type}) -> % {{{2
                                               actions=?POSTBACK({?MODULE, asset, refresh, Type}, ?MODULE)
                                              }},
                                    #bs_col{
-                                      cols={lg, 2},
+                                      cols=[{lg, 2},{md, 3}, {sm, 3}],
                                       body=#button{
                                               text="Upload Asset",
                                               class=["btn",
@@ -921,7 +960,8 @@ event({?MODULE, asset, show, Type}) -> % {{{2
                                      cols={lg, 12},
                                      body=CRUD
                                     }
-                            }]);
+                            }]),
+    wf:update(title, #panel{text="Static Assets"});
 event({?MODULE, template, new}) -> % {{{2
     new_modal("Upload Template",
               {?MODULE, template, save},
@@ -947,6 +987,7 @@ event({?MODULE, template, save}) -> % {{{2
     coldstrap:close_modal(),
     wf:wire(#event{postback={template, show}});
 event({?MODULE, template, show}) -> % {{{2
+    wf:session(history, undefined),
     CRUD = #crud{
               pagination_class=["btn", "btn-default"],
               button_class=["btn", "btn-link"],
@@ -969,11 +1010,7 @@ event({?MODULE, template, show}) -> % {{{2
                           #bs_row{
                              body=[
                                    #bs_col{
-                                      cols={lg, 8},
-                                      body=#h1{text="Templates"}
-                                     },
-                                   #bs_col{
-                                      cols={lg, 2},
+                                      cols=[{lg, 2},{md, 3}, {sm, 3}],
                                       body=#button{
                                               text="Refresh filesystem",
                                               class=["btn",
@@ -983,7 +1020,7 @@ event({?MODULE, template, show}) -> % {{{2
                                               actions=?POSTBACK({?MODULE, template, refresh}, ?MODULE)
                                              }},
                                    #bs_col{
-                                      cols={lg, 2},
+                                      cols=[{lg, 2},{md, 3}, {sm, 3}],
                                       body=#button{
                                               text="Upload Template",
                                               class=["btn",
@@ -998,8 +1035,10 @@ event({?MODULE, template, show}) -> % {{{2
                                      cols={lg, 12},
                                      body=CRUD
                                     }
-                            }]);
+                            }]),
+    wf:update(title, #panel{text="Templates"});
 event({?MODULE, forms, show}) -> % {{{2
+    wf:session(history, undefined),
     CRUD = #crud{
               pagination_class=["btn", "btn-default"],
               button_class=["btn", "btn-link"],
@@ -1021,14 +1060,62 @@ event({?MODULE, forms, show}) -> % {{{2
                 delete => fun db:delete/1
                }
              },
+    wf:update(container, [#bs_row{
+                             body=#bs_col{
+                                     cols={lg, 12},
+                                     body=CRUD
+                                    }
+                            }]),
+    wf:update(title, #panel{text="Forms"});
+event({?MODULE, languages, show}) -> % {{{2
+    wf:session(history, undefined),
+    AssetsDup = db:get_assets(image),
+    GetName = fun(Id)->
+                string:join(lists:reverse(Id),".")
+              end, 
+    Options =  [
+      {GetName(maps:get(id, K)), GetName(maps:get(id, K))}
+        || K <- AssetsDup
+    ],
+    CRUD = #crud{
+              pagination_class=["btn", "btn-default"],
+              button_class=["btn", "btn-link"],
+              table_class=["table-striped", "table-bordered", "table-hover"],
+              start=0,
+              count=10,
+              cols=[
+                    {id, "Id", none},
+                    {icon, "Icon", {select, Options}},
+                    {default, "Is default", {select, [{true,"true"},{false,"false"}]}}
+                   ],
+              funs=#{
+                list => fun db:get_languages/0,
+                update => fun db:update_language/1, 
+                delete => fun db:full_delete/1
+               }
+             },
     wf:update(container, [
+                          #bs_row{
+                             body=[#bs_col{
+                                      cols=[{lg, 2},{md, 3}, {sm, 3}],
+                                      body=#button{
+                                              text="Add language",
+                                              class=["btn",
+                                                     "btn-success",
+                                                     "btn-block",
+                                                     "btn-upload"],
+                                              actions=?POSTBACK({?MODULE, language, new}, ?MODULE)
+                                             }}
+                                  ]},
                           #bs_row{
                              body=#bs_col{
                                      cols={lg, 12},
                                      body=CRUD
                                     }
-                            }]);
+                            }]),
+    wf:update(title, #panel{text="All languages"});
 event({?MODULE, page, show}) -> % {{{2
+    wf:session(history, undefined),
     CRUD = #crud{
               pagination_class=["btn", "btn-default"],
               button_class=["btn", "btn-link"],
@@ -1041,6 +1128,7 @@ event({?MODULE, page, show}) -> % {{{2
                     {description, "Description", ta},
                     {module, "Module", {select, modules()}},
                     {accepted_role, "Assess role", {select, cms_roles()}},
+                    {sitemap, "Sitemap", {select, sitemap:sitemap_frequencies()}},
                     {undefined, "Actions", button}
                    ],
               funs=#{
@@ -1052,13 +1140,8 @@ event({?MODULE, page, show}) -> % {{{2
              },
     wf:update(container, [
                           #bs_row{
-                             body=[
-                                   #bs_col{
-                                      cols={lg, 10},
-                                      body=#h1{text="All Pages"}
-                                     },
-                                   #bs_col{
-                                      cols={lg, 2},
+                             body=[#bs_col{
+                                      cols=[{lg, 2},{md, 3}, {sm, 3}],
                                       body=#button{
                                               text="Add Page",
                                               class=["btn",
@@ -1073,7 +1156,8 @@ event({?MODULE, page, show}) -> % {{{2
                                      cols={lg, 12},
                                      body=CRUD
                                     }
-                            }]);
+                            }]),
+    wf:update(title, #panel{text="All Pages"});
 event({?MODULE, page, new}) -> % {{{2
     new_modal("Create Page", 
               {?MODULE, page, save},
@@ -1103,111 +1187,103 @@ event({?MODULE, page, new}) -> % {{{2
                   id=role,
                   value=undefined,
                   options=cms_roles()
+                 },
+
+                #span{text="Sitemap frequency"},
+               #dd{
+                  id=sitemap,
+                  value=none,
+                  options=sitemap:sitemap_frequencies()
                  }
               ]);
 event({?MODULE, page, construct}) -> % {{{2
     Pages = get_pages(),
     [#{id := P} | _] = Pages,
-    PID = common:q(page_select, P),
-    ?LOG("~nconstruct page:~p",[PID]),
-    Block = common:q(block_select, "page"),
-    wf:wire(#event{postback={?MODULE, page, construct, PID, [Block]}, delegate=?MODULE});
+    PID = common:q(page_select, P), 
+    {_, BlockId} = get_selected_block(),
+    common:script("","$('#tree').html('<div>&nbsp;loading...</div>'); "),
+    wf:wire(#event{postback={?MODULE, page, construct, PID, [BlockId]}, delegate=?MODULE});
 
-event({?MODULE, page, construct, PID, [Block|_]}) -> % {{{2
+event({?MODULE, page, construct, PID, [_Block|_]}) -> % {{{2
     Pages = get_pages(),
-    Blocks = [format_block(B#cms_mfa{id={PID, BID}})
-              || #cms_mfa{id={_, BID}}=B <- db:get_mfa(PID, Block)],
-    AllBlocks = db:get_all_blocks(PID),
-    ?LOG("~nconstruct page(2) Block:~p",[Block]),
-    ParentBlock=db:get_parent_block(PID,Block),
-    ParentBody=case ParentBlock of
-      S when is_list(S) ->
-          #button{
-                text=S,
-                class=["btn"],
-                actions=?POSTBACK({?MODULE, page, construct, PID, [ParentBlock]}, ?MODULE)
-          };
-      undefined -> 
-          #span{
-               id=parent_block,
-               text="none"
-          };
-      _ -> #span{
-                 id=parent_block,
-                 text=ParentBlock
-           }
-    end,
-    ShowAll = (common:q(show_all, "false") /= "false"),
-
+    % Blocks = [format_block(B#cms_mfa{id={PID, BID}})
+    %           || #cms_mfa{id={_, BID}}=B <- db:get_mfa(PID, Block)],
+    % _AllBlocks = db:get_all_blocks(PID),
+    % ShowAll = (common:q(show_all, "false") /= "false"),
+
+    % Session=case Blocks of
+    %   [] ->  wf:clear_session(),
+    %          [];
+    %   _ ->  
+    %     update_session_history(Block)
+    % end,
+    % _ViewSession = [
+    %   #button{
+    %         text=B,
+    %         class=["btn btn-link session-btn"],
+    %         actions=?POSTBACK({?MODULE, page, construct, PID, [B]}, ?MODULE)
+    %   } || B <- Session],
     PageSelect = [
-                  #dropdown{
-                     id=page_select,
-                     options=lists:keysort(1,  [{N, N} || #{id := N} <- Pages]),
-                     value=PID,
-                     delegate=?MODULE,
-                     postback={?MODULE, page, construct}
-                    },
-                  #span{text=" / "},
-                  #dropdown{
-                     id=block_select,
-                     options=lists:keysort(1, [{N, N} ||  N <- AllBlocks, not common:is_private_block(N) or ShowAll, (N /= "router") or (PID == "*")]),
-                     value=Block,
-                     delegate=?MODULE,
-                     postback={?MODULE, page, construct}
-                    },
-                  #span{text=" Show All "},
-                  #checkbox{
-                     text="",
-                     id=show_all,
-                     checked=ShowAll,
-                     delegate=?MODULE,
-                     postback={?MODULE, page, construct}
-                    },
-                  #span{
-                   text=" Parent: "
-                  },
-                  ParentBody,
-                  #btn{
-                     text="Export Pages",
-                     class=["pull-right"],
-                     style="",
-                     type=success,
-                     actions=?POSTBACK({?MODULE, pages, export}, ?MODULE)
-                    },
-                  #btn{
-                   text="Merge Pages",
-                   class=["pull-right"],
-                   style="margin: 0 10px;",
-                   type=info,
-                   actions=?POSTBACK({?MODULE, pages, merge}, ?MODULE)
-                  },
-                  #btn{
-                     text="Import Pages",
-                     class=["pull-right"],
-                     type=warning,
-                     actions=?POSTBACK({?MODULE, pages, import}, ?MODULE)
-                    }
-
+              #panel{id=left_manage_panel,
+                    class="col-md-6",
+                    style="width:auto;",
+                    body=[
+                      #span{text="Page: "},
+                      #dropdown{
+                         id=page_select,
+                         options=lists:keysort(1,  [{N, N} || #{id := N} <- Pages]),
+                         value=PID,
+                         delegate=?MODULE,
+                         postback={?MODULE, page, construct}
+                        }
+                      % ,#span{text="Show All ", class="cs-label"},
+                      % #checkbox{
+                      %    text="",
+                      %    id=show_all,
+                      %    checked=ShowAll,
+                      %    delegate=?MODULE,
+                      %    postback={?MODULE, page, construct}
+                      %   }
+                      % ,case ViewSession of
+                      %   [] -> [];
+                      %   _ ->
+                      %     [#span{
+                      %      text="History:" ,
+                      %      class="cs-label"
+                      %     },
+                      %     ViewSession]
+                      % end
+                      ]
+                }
+    ],
+    % Sort = #sortblock{
+    %           tag={PID, Block},
+    %           class="panel-body", %"page-block-sort",
+    %           delegate=?MODULE,
+    %           items=Blocks,
+    %           group=blocks},
 
-                 ],
-    Sort = #sortblock{
-              tag={PID, Block},
-              class="panel-body", %"page-block-sort",
-              delegate=?MODULE,
-              items=Blocks,
-              group=blocks},
+     
+    Tree=build_html_tree_from_mfa(PID),
 
     Body  = #panel{
                class=["panel", "panel-default"],
                body=[
                      #panel{
-                        class=["panel-heading"],
+                        class=["panel-heading flex-panel"],
                         body=PageSelect
                        },
-                     Sort
+                     #panel{
+                        body=Tree,
+                        html_id="tree"
+                      }
+                     % Sort
                     ]},
-
-    update_container("Construct Page", "Add Block", {?MODULE, block, add}, Body);
+    
+    
+    update_container("Construct Page", "Add Block", {?MODULE, block, add}, Body),
+    common:script("","$('#tree').treed(); $('#tree').open_last_active();")
+    ;
 
 event({?MODULE, page, save}) -> % {{{2 onclick <Save> btn
     PID = wf:q(name),
@@ -1215,8 +1291,9 @@ event({?MODULE, page, save}) -> % {{{2 onclick <Save> btn
     Description = wf:q(description),
     Module = wf:to_atom(wf:q(module)),
     Role = wf:to_atom(wf:q(role)),
+    Sitemap = wf:to_atom(wf:q(sitemap)),
     db:save(
-      add_page(PID, Title, Description, Role, Module)),
+      add_page(PID, Title, Description, Role, Module, Sitemap)),
     coldstrap:close_modal(),
     wf:wire(#event{postback={?MODULE, page, show}, delegate=?MODULE});
 event({?MODULE, block, change, module}) -> % {{{2
@@ -1233,107 +1310,290 @@ event({?MODULE, block, change, module}) -> % {{{2
 event({?MODULE, block, change, function}) -> % {{{2
     M = wf:to_atom(common:q(module, common)),
     F = wf:to_atom(common:q(function, common)),
-    % ?LOG("M: ~p, F: ~p", [M, F]),
     wf:update(block_data, admin:form_elements(M, F, []));
 event({?MODULE, block, add}) -> % {{{2
     PID = common:q(page_select, "index"),
-    Block = common:q(block_select, "body"),
+    {SelectedBlock, BlockId} = get_selected_block(),
     B = #cms_mfa{
-           id={PID, Block},
-           mfa={common, template, ["templates/internal/login.html"]},
+           id={PID, BlockId},
+           mfa={common, text, []},
            sort=new},
-    event({?MODULE, block, edit, B});
+    case check_if_block_can_has_subblocks(SelectedBlock) of
+      true->
+        event({?MODULE, block, edit, B});
+      false -> wf:update(edited_block, #panel{class="collapse"})
+    end,
+    wf:session(selected_block, {BlockId, []})
+    ;
 event({?MODULE, block, add, Block}) -> % {{{2
     PID = common:q(page_select, "index"),
     B = #cms_mfa{
            id={PID, Block},
-           mfa={common, template, ["templates/internal/login.html"]},
+           mfa={common, text, []},
            sort=new},
     event({?MODULE, block, edit, B});
-event({?MODULE, block, edit, #cms_mfa{id={PID, Block}, mfa={M, F, A}}=B}) -> % {{{2
+event({?MODULE, block, edit, #cms_mfa{id={PID_block, Block}, mfa=MFA, sort=S}=B}) -> % {{{2
+    {M,F,A}=parse_mfa_field(MFA), 
+    PID = common:q(page_select, "index"),
+    PagedBlock=B#cms_mfa{id={PID, Block}},
     Pages = get_pages(),
     [#{id := _P} | _] = Pages,
-    [QSKey, QSVal, Role] = get_filters(B),
+    [QSKey, QSVal, Role, Tr] = get_filters(B),
+    Translation = case Tr of
+      undefined -> any;
+      [] -> any;
+      Tr -> Tr
+    end,
+    LanguageOptions = [ {I, I} || #{id := I} <- db:get_languages()],
     Header = [
-              "Add new block to page: ",
+              #span{text="Add block to page: "},
               #dropdown{
                  id=add_page_select,
                  options=[{N, N} || #{id := N} <- Pages],
-                 value=PID,
-                 delegate=?MODULE,
-                 postback={?MODULE, page, construct}
+                 value=PID
                 },
               " to block: ",
               #textbox{
                  id=add_block,
-                 text=Block
-                }
+                 text=Block,
+                 style="margin-bottom:1px; min-width: 200px;"
+                },
+              if (PID /= PID_block) and (PID_block=="*") -> 
+                #span{text=" inherited from * ", style="color: cornflowerblue;"};
+                true -> undefined
+              end
              ],
-    new_modal(Header,
-              {?MODULE, block, move, B},
-              {?MODULE, block, copy, B},
-              undefined, 
+    % new_modal(Title, SavePostback, CopyPostback, UploadTag, Form),
+
+    Form=[
+     Header,
+     #dd{id=module,
+         value=M,
+         postback={?MODULE, block, change, module},
+        delegate=?MODULE,
+         options=collections()},
+
+     #span{text="Block Type"},
+     #dd{
+        id=function,
+        value=F,
+        postback={?MODULE, block, change, function},
+        delegate=?MODULE,
+        options=(M):functions()
+       },
+
+     #panel{
+        id=block_data,
+        body=form_elements(M, F, [PID | A])
+       },
+     #span{text="Sort"},
+     #txtbx{id=sort, text=S},
+     #panel{
+        body=render_fields([{"Filters", 
+                             [
+                              {"Query String", 
+                               [
+                                {"Key", {qs_key, QSKey}},
+                                {"Value", {qs_val, QSVal}}
+                               ]},
+                              {"Role", {role, Role}},
+                              {"Translation", #dd{
+                                id=translation,
+                                value=Translation,
+                                options=LanguageOptions
+                              }}
+                             ]}])
+               }
+    ],
+    Bottom = #panel{
+      id=modal_bottom_buttons,
+      body=[
+            render_save_button({?MODULE, block, move, PagedBlock}),
+            render_copy_button({?MODULE, block, copy, B}),
+            #btn{
+                   type=warning,
+                   size=md,
+                   text="Copy Structure",
+                   postback={?MODULE, block, maybe_copy_all_structure, B},
+                   delegate=?MODULE
+                  },
+            #btn{
+                   type=info,
+                   size=md,
+                   text="Add Subblock",
+                   postback={?MODULE, block, add},
+                   delegate=?MODULE
+                  },
+            #btn{
+                   type=danger,
+                   size=md,
+                   class="pull-right",
+                   text="Remove", %common:icon("fa", "remove", []),
+                   actions=#event{
+                              type=click,
+                              actions=#confirm{
+                                         text="Are you sure to delete?", 
+                                         postback={?MODULE, block, remove_block, PagedBlock},
+                                         delegate=?MODULE}}
+                  }
+           ]
+    },
+
+    wf:update(edited_block,
+        #panel{
+              body=[
+                    #bs_col{
+                       body=Form},
+                    Bottom
+                   ]}
+    );
+
+event({?MODULE, language, new}) -> % {{{2
+    new_modal("Add language", 
+              {?MODULE, language, save},
+              undefined,
               [
-               #span{text="Elements Collection"},
-               #dd{id=module,
-                   value=M,
-                   postback={?MODULE, block, change, module},
-                  delegate=?MODULE,
-                   options=collections()},
+               #span{text="Name (ID)"},
+               #txtbx{id=id,
+                      placeholder="language_abbr"},
 
-               #span{text="Block Type"},
-               #dd{
-                  id=function,
-                  value=F,
-                  postback={?MODULE, block, change, function},
-                  delegate=?MODULE,
-                  options=(M):functions()
-                 },
-               #panel{
-                  id=block_data,
-                  body=form_elements(M, F, [PID | A])
-                 },
-               #panel{
-                  body=render_fields([{"Filters", 
-                                       [
-                                        {"Query String", 
-                                         [
-                                          {"Key", {qs_key, QSKey}},
-                                          {"Value", {qs_val, QSVal}}
-                                         ]},
-                                        {"Role", {role, Role}}
-                                       ]}])
-                 }
+               #span{id=icon,text="Icon"},
+               common:assets_dropdown(image),
+
+               #span{text="Default"},
+               #checkbox{id=default_language}
               ]);
+event({?MODULE, language, save}) -> % {{{2    
+    AssetId=wf:q(asset_id),
+    IconName=string:join(lists:reverse(string:tokens(AssetId,".")),"."),
+    Default=case wf:q(default_language) of
+      "on"->true;
+      _->false
+    end,
+    add_language(wf:q(id),IconName,Default),
+    coldstrap:close_modal(),
+    wf:wire(#event{postback={?MODULE, languages, show}, delegate=?MODULE});
 
 event({?MODULE, block, move, Old}) -> % {{{2
     db:full_delete(Old),
+    case wf:qs(page) of
+      ["admin"] ->
+        common:script("","$('#tree').save_parent();");
+      _ -> undefined
+    end,
     event({?MODULE, block, save, Old});
-event({?MODULE, block, copy, Old}) -> % {{{2
-    event({?MODULE, block, save, Old#cms_mfa{sort=new}});
-event({?MODULE, block, save, OldMFA}) -> % {{{2
-    [#cms_mfa{id={PID, Block}}|_] = common:maybe_list(
-                                      db:save(
-                                        maybe_fix_sort(
-                                          apply_element_transform(
-                                            rec_from_qs(OldMFA)),
-                                          OldMFA))),
+event({?MODULE, block, copy, #cms_mfa{id={PID, _}}=Old}) -> % {{{2
+    OldBlockName=db:extract_mfa_block_name(Old),
+    NewBlockName=common:q(block, ""),
+    case (OldBlockName /= NewBlockName) or (PID /= wf:q(add_page_select)) of
+      true->
+        common:script("","$('#tree').save_parent();"),
+        event({?MODULE, block, save, Old#cms_mfa{sort=new}});
+      _ ->
+        wf:wire(#alert { text="You need change Block name!" })
+    end;
+event({?MODULE, block, maybe_copy_all_structure, B}) -> % {{{2
+  OldBlockName=db:extract_mfa_block_name(B),
+  admin:new_modal(
+        "Please enter the values", 
+        {?MODULE, block, copy_all_structure, B},
+        [#panel{body=[
+              #p{text="Enter a New Block name:"},
+               #txtbx{id=copy_block_name, text=OldBlockName},
+               #p{text="Enter a Postfix for the subelements name:"},
+               #txtbx{id=copy_postfix, text="_copy"}],
+            class="container2"
+          }
+        ]
+    );
+event({?MODULE, block, copy_all_structure, #cms_mfa{id={PID, _},mfa=MFA}=OldBlock}) -> % {{{2
+    OldBlockName=db:extract_mfa_block_name(OldBlock),
+    CopyingBlock=common:q(copy_block_name, undefined),
+    Postfix=wf:q(copy_postfix),
+    case ((CopyingBlock==OldBlockName) or (CopyingBlock==undefined)) and (PID==wf:q(add_page_select)) of
+      true->
+        wf:wire(#alert { text="You need change Block name!" });
+      _ ->
+        common:script("","$('#tree').save_parent();"),
+        {_,F,_}=parse_mfa_field(MFA),
+        copy_subtree(PID, OldBlockName, F==dropdown, CopyingBlock, Postfix),
+        event({?MODULE, block, save, OldBlock#cms_mfa{sort=new}}),
+        coldstrap:close_modal()
+    end;
+event({?MODULE, block, save, #cms_mfa{id={PID, Block}, sort=S}=OldMFA}) -> % {{{2
+    NewSort=
+      try
+        list_to_integer(wf:q(sort))
+      catch error:badarg ->
+          S
+      end,
+
+    mnesia:transaction( %% remove dublicating sort
+        fun() ->
+          case mnesia:select(cms_mfa, 
+                                  [{#cms_mfa{id={PID, Block}, active=true, sort=$1, _='_'},
+                                    [
+                                      {'or', {'==', '$1', S}, {'==', '$1', NewSort}}
+                                    ],
+                                    []}
+                                  ]
+                                ) of
+            L when is_list(L), length(L) > 0 ->
+                [ db:full_delete(Mfa) || Mfa<-L];
+            _ -> undefined
+          end
+        end),
+    MFA=OldMFA#cms_mfa{sort=NewSort},
+    Saved=db:save(maybe_fix_sort(
+                    apply_element_transform(
+                      rec_from_qs(MFA)),
+                    MFA)),
+    NewMFABlock = common:q(block, undefined),
+    OldMFABlock = db:extract_mfa_block_name(OldMFA),
+    
+    % maybe update children
+    case NewSort of 
+      new -> undefined;
+      _ -> db:update_children(PID, NewMFABlock, OldMFABlock)
+    end,
+
+    % update pages where block exists
+    case PID of
+      "*" ->
+            Pages=db:get_indexed_pages(),
+            lists:foreach(fun(Page) ->
+                              db:save(Page)
+                          end, Pages);
+      PID ->
+            [Page]=db:get_page(PID),
+            db:save(Page)
+    end,
+    
+    case wf:qs(page) of
+      ["admin"] -> reload_subtree(PID, Block);
+      _ -> 
+        coldstrap:close_modal(),
+        update_block_on_page(Saved)
+    end;
 
-    coldstrap:close_modal(),
-    wf:wire(#event{postback={?MODULE, page, construct, PID, [Block]}, delegate=?MODULE});
 event({?MODULE, block, remove, B}) -> % {{{2
     admin:new_modal(
         "Are you sure to delete?", 
         {block, remove_block, B},
         []
     );
-
 event({?MODULE, block, remove_block, B}) -> % {{{2
-    {PID, Block} = B#cms_mfa.id,
+    {_PID, Block} = B#cms_mfa.id,
     db:maybe_delete(B),
-    wf:wire(#event{postback={?MODULE, page, construct, PID, [Block]}, delegate=?MODULE}),
-    coldstrap:close_modal();
+    common:script("","$('#tree').save_parent();"),
+    wf:session(selected_block, {Block, Block}),
+    common:script("","$('#tree').remove_active();"),
+    wf:update(edited_block, #panel{class="collapse"})
+    % wf:wire(#event{postback={?MODULE, page, construct, PID, [Block]}, delegate=?MODULE}),
+    % coldstrap:close_modal()
+    ;
 event({?MODULE, user, show}) -> % {{{2
+    wf:session(history, undefined),
     CRUD = #crud{
               pagination_class=["btn", "btn-default"],
               button_class=["btn", "btn-link"],
@@ -1352,13 +1612,8 @@ event({?MODULE, user, show}) -> % {{{2
              },
     wf:update(container, [
                           #bs_row{
-                             body=[
-                                   #bs_col{
-                                      cols={lg, 10},
-                                      body=#h1{text="Users"}
-                                     },
-                                   #bs_col{
-                                      cols={lg, 2},
+                             body=[#bs_col{
+                                      cols=[{lg, 2},{md, 3}, {sm, 3}],
                                       body=#button{
                                               text="Create User",
                                               class=["btn",
@@ -1373,7 +1628,8 @@ event({?MODULE, user, show}) -> % {{{2
                                      cols={lg, 12},
                                      body=CRUD
                                     }
-                            }]);
+                            }]),
+    wf:update(title, #panel{text="Users"});
 event({?MODULE, user, new}) -> % {{{2
     Page = wf:state(page),
     new_modal("Create User", 
@@ -1395,6 +1651,7 @@ event({?MODULE, user, save}) -> % {{{2
     coldstrap:close_modal(),
     wf:wire(#event{postback={?MODULE, user, show}, delegate=?MODULE});
 event({?MODULE, role, show}) -> % {{{2
+    wf:session(history, undefined),
     CRUD = #crud{
               pagination_class=["btn", "btn-default"],
               button_class=["btn", "btn-link"],
@@ -1413,13 +1670,8 @@ event({?MODULE, role, show}) -> % {{{2
              },
     wf:update(container, [
                           #bs_row{
-                             body=[
-                                   #bs_col{
-                                      cols={lg, 10},
-                                      body=#h1{text="Roles"}
-                                     },
-                                   #bs_col{
-                                      cols={lg, 2},
+                             body=[#bs_col{
+                                      cols=[{lg, 2},{md, 3}, {sm, 3}],
                                       body=#button{
                                               text="Create Role",
                                               class=["btn",
@@ -1434,7 +1686,8 @@ event({?MODULE, role, show}) -> % {{{2
                                      cols={lg, 12},
                                      body=CRUD
                                     }
-                            }]);
+                            }]),
+    wf:update(title, #panel{text="Roles"});
 event({?MODULE, role, new}) -> % {{{2
     new_modal("Create Role", 
               {?MODULE, role, save},
@@ -1472,10 +1725,40 @@ event({?MODULE, pages, merge}) -> % {{{2
               {popup, close},
               merge_backup,
               undefined);
+event({?MODULE, db, defragment}) -> % {{{2
+    db:remove_blocks_without_parent();
+event({?MODULE, db, clean}) -> % {{{2
+    db:remove_old_unused_blocks();
 event({?MODULE, auth, call_restore_password}) -> % {{{2
     account:call_restore_password();
-event(Ev) -> % {{{2
-    ?LOG("~p event ~p", [?MODULE, Ev]).
+event({?MODULE, page, close_and_construct, PID, [Block]}) -> % {{{2
+    coldstrap:close_modal(),
+    event({?MODULE, page, construct, PID, [Block]});
+event({?MODULE, block, make_active, Block, PID, MFA, SearchSublink, Lvl}) -> % {{{2
+    wf:session(selected_block, {Block, MFA}),
+    % ?LOG("make_active:~p; MFA:~p", [Block, MFA]),
+    case Block of
+      Text when is_list(Text) ->
+          wf:update(edited_block,
+            #panel{class="collapse"}
+          )
+          , SubTree=build_list(PID, Block, 2, false, 3),
+          wf:wire(#insert_after{target=updating_subtree_lvl1, elements=SubTree}),
+          common:script("","$('#tree').update_tree();")
+          ;
+      _ -> %#cms_mfa{id={_PID,_BID}} 
+          event({?MODULE, block, edit, Block}),
+          % BlockName = db:extract_mfa_block_name(Block), TODOn replaced to MFA!
+          SubTree=build_list(PID, MFA, Lvl, SearchSublink, Lvl+1),
+          wf:wire(#insert_after{target=updating_subtree, elements=SubTree}),
+          common:script("","$('#tree').update_tree();")
+    end;
+    
+event(close_modal) -> % {{{2
+    coldstrap:close_modal();
+event(Ev) -> % {{{2#
+    ?LOG("Unhandled ~p event ~p", [?MODULE, Ev]),
+    "".
 
 inplace_textbox_event({asset, Record, Field}, Value) -> % {{{2
     Val = db:update(Record, Field, Value),
@@ -1502,7 +1785,11 @@ finish_upload_event(template, Fname, Path, _Node) -> % {{{2
 
 finish_upload_event(asset, Fname, Path, _Node) -> % {{{2
     #cms_asset{type=Type} = file_to_asset(Fname, ""),
-    URLPath = wf:f("~s/~s", [Type, Fname]),
+    [Ext, _Min | _Id] = lists:reverse(string:tokens(Fname, ".")),
+    URLPath = case string:to_lower(Ext) of
+      "js" -> wf:f("js/~s", [ Fname]);
+      _ -> wf:f("~s/~s", [Type, Fname])
+    end,
     NewPath = wf:f("static/~s", [URLPath]),
     file:rename(Path, NewPath),
     maybe_set(name, Fname),
@@ -1510,10 +1797,10 @@ finish_upload_event(asset, Fname, Path, _Node) -> % {{{2
     wf:set(path, URLPath).
 
 api_event(Name, Tag, Args) -> % {{{2
-    ?LOG("~p API event ~p(~p; ~p)", [?MODULE, Name, Tag, Args]).
+    ?LOG("~p API event ~p(~p; ~p)", [?MODULE, Name, Tag, Args]),
+    "".
 
 sort_event({PID, Block}, Blocks) -> % {{{2
-    % ?LOG("Blocks: ~p", [Blocks]),
     lists:foreach(fun({N, {block, _PID, B}}) ->
                           db:update(B, B#cms_mfa{sort=N})
                   end,
@@ -1533,3 +1820,257 @@ cms_roles() -> % {{{2
 collections() -> % {{{2
     Modules = common:module_by_function({functions, 0}),
     lists:map(fun(M) -> {M, M:description()} end, Modules).
+
+update_block_on_page(#cms_mfa{id={_,Block},mfa=MFA,sort=S}) -> % {{{2
+    NewText=case MFA of 
+      {common, text, Text} -> Text;
+      _-> undefined
+    end,
+    ChangedBlock=common:block_to_html_id(wf:f("~s-~p", [Block, S])),
+    wf:wire(#update{target=ChangedBlock, elements=NewText}).
+
+admin_logout_button()-> % {{{2
+  #btn{
+        body="<i class='fa fa-sign-out fa-fw'></i>",
+        class=["btn-logout"],
+        title="Logout",
+        postback={auth, logout},
+        delegate=account
+  }.
+
+update_session_history(Block) -> % {{{2
+%% @doc "maybe update session history"
+  [LastHistory,Tail]=
+    case wf:session(history) of 
+      undefined -> [[],undefined];
+      BL when length(BL)>7 ->
+        [lists:sublist(BL,2,7), lists:last(BL)];
+      SL -> [SL, lists:last(SL)]
+    end,
+  if Tail/=Block ->
+    wf:session(history, lists:append(LastHistory, [Block]));
+  true -> ok
+  end,
+  LastHistory.
+
+
+build_html_tree_from_mfa(PID) -> % {{{2
+%% @doc "Function for building main html list from tree of cms_mfa table and calls function to deep building"
+  BlockWithoutParents=lists:sort(db:get_blocks_without_parent(PID)),
+  MbFilterBlocks=case PID of
+    "*" -> BlockWithoutParents;
+    _ -> lists:delete("router", BlockWithoutParents)
+  end,
+  MaxLvl=3,
+  lists:map(
+    fun(BlockId) ->
+        #list{
+            body=#listitem{
+               body=[
+                      % common:icon("glyphicon", "indicator", ["glyphicon-plus-sign"]),
+                      #link{text=BlockId, actions=?POSTBACK({?MODULE, block, make_active, BlockId, PID, [], false, 2}, ?MODULE)},
+                      build_list(PID, BlockId, 2, false, MaxLvl)
+               ],
+               class=["branch lvl-1"]
+            },
+            class=["tree treed"]}
+    end, MbFilterBlocks
+  ).
+
+build_list(PID, Block, Lvl, SearchSublink, MaxLvl) -> % {{{2
+%% @doc "Recursive function for building html list from tree of cms_mfa table"
+  % MaxLvl=99,
+  Functions_with_sub_blocks=[dropdown,email_field,password_field,retype_password_field],
+  case {db:get_mfa(PID, Block, true, SearchSublink), (Lvl<MaxLvl)} of 
+    {[], _} ->  undefined;
+    {_, false} -> 
+      undefined;
+    {L, true} ->
+      SortedList=lists:keysort(#cms_mfa.sort, L),
+      lists:map(
+        fun(#cms_mfa{mfa=MFA,sort=S}=B)->
+          {M,F,Args}=parse_mfa_field(MFA),
+          ChildBlocks=case check_if_block_can_has_subblocks(B) of
+            true  ->
+              case F of
+                panel ->
+                  [Ph,Pb,Pa,Pf|_]=Args,
+                  [{I,B} || I <- [Ph,Pb,Pa,Pf], I /= []];
+                modal ->
+                  [PB,Mt,Mb,Mf|_]=Args,
+                  [{I,B} || I <- [PB,Mt,Mb,Mf], I /= []];
+                article ->
+                  [Ah,Ab,Af|_]=Args,
+                  [{I,B} || I <- [Ah,Ab,Af], I /= []];
+                _ ->[H|_]=Args,
+                    [{H,B}]
+              end;
+            _ -> case F of 
+                  Asset when (Asset==img) or (Asset==asset) -> 
+                      [{wf:f("~s", [string:join(lists:reverse(lists:nth(1,Args)), ".")]), B}];
+                  template ->
+                      [{wf:f("~s",[Args]),B}];
+                  text ->
+                      [{wf:f("~s-~s-~p",[M,F,S]),B}];
+                  empty ->
+                      [{"empty_mfa",B}];
+                  _ ->
+                      [{wf:f("~s-~p",[F,S]),B}]
+                 end
+          end,
+          ViewFunction=#span{text=wf:f(" (~s:~s)",[M,F]),
+                             class="sub-label"},
+          WithSublink=lists:member(F,Functions_with_sub_blocks),
+          Items=
+            case ChildBlocks of 
+              [{ChildBlock,PBlock}] ->
+                build_html_tree_ul(PBlock, PID, ChildBlock, WithSublink, Lvl, ViewFunction, F);
+              ChildBlocks -> lists:map(
+                fun({ChildBlock,PBlock})->
+                  build_html_tree_ul(PBlock, PID, ChildBlock, WithSublink, Lvl, ViewFunction, F)
+                  
+                end, ChildBlocks
+              )
+            end,
+          % #list{body=Items}
+          Items
+        end, SortedList
+      )
+  end.
+
+build_html_tree_ul(PBlock, PID, ChildBlock, WithSublink, Lvl, ViewFunction, F) -> % {{{2
+  MaxLvl = 3,
+  #list{body=
+     #listitem{
+         body=[
+           #link{body=[
+                      ViewFunction
+                      ],
+                text=case ChildBlock of 
+                  [] -> wf:f("~s",[F]);
+                  _ -> ChildBlock
+                end,
+                class=["not-tree"],
+                actions=?POSTBACK({?MODULE, block, make_active, PBlock, PID, ChildBlock, WithSublink, Lvl}, ?MODULE)
+           },
+           build_list(PID, ChildBlock, Lvl+1, WithSublink, MaxLvl)
+       ],
+       class=["branch lvl-"++wf:f("~p",[Lvl])]
+    }
+  }.
+
+copy_subtree(PID, Block, SearchSublink, NewBlockName, Postfix) -> % {{{2
+%% @doc "Recursive function for the coping a block structure"
+  Functions_with_sub_blocks=[dropdown,email_field,password_field,retype_password_field],
+  NewPID = common:q(add_page_select, PID),
+  case db:get_mfa(PID, Block, true, SearchSublink) of 
+    [] -> undefined;
+    L  ->
+      SortedList=lists:keysort(#cms_mfa.sort, L),
+      lists:map(
+        fun(#cms_mfa{id={_,BID}}=B)->
+          ChildBlocks=extract_mfa_names(B),
+          
+          lists:map(
+            fun({ChildBlock, #cms_mfa{mfa=MFA}=PBlock})->
+              {M,F,Args}=parse_mfa_field(MFA),
+              NewBID=case NewBlockName of
+                undefined-> BID++Postfix;
+                _ -> NewBlockName
+              end,
+              NewMfa=case check_if_block_can_has_subblocks(PBlock) of
+                true  ->
+                  case F of
+                    panel ->
+                      [A1,A2,A3,A4|A5_N]=Args,
+                      NewAgs=lists:append([A1++Postfix,A2++Postfix,A3++Postfix,A4++Postfix], A5_N),
+                      {M,F,NewAgs};
+                    modal ->
+                      [A1,A2,A3|A4_N]=Args,
+                      NewAgs=lists:append([A1++Postfix,A2++Postfix,A3++Postfix], A4_N),
+                      {M,F,NewAgs};
+                    article ->
+                      [A1,A2|A3_N]=Args,
+                      NewAgs=lists:append([A1++Postfix,A2++Postfix],A3_N),
+                      {M,F,NewAgs};
+                    _ ->
+                      [A1|A2_N]=Args,
+                      NewAgs=lists:append([A1++Postfix], A2_N),
+                      {M,F,NewAgs}
+                    end;
+                _ -> 
+                  {M,F,Args}
+              end,
+              WithSublink=lists:member(F,Functions_with_sub_blocks),
+              UpdMfa=PBlock#cms_mfa{mfa=NewMfa},
+              CopyBlock = db:update_record_field(UpdMfa, id, {NewPID, NewBID}),
+              db:save(CopyBlock),
+              copy_subtree(PID, ChildBlock, WithSublink, undefined, Postfix)
+            end, ChildBlocks
+          )
+        end, SortedList
+      )
+  end.
+
+check_if_block_can_has_subblocks(#cms_mfa{mfa=MFA}) -> % {{{2
+  {M,_,Args}=parse_mfa_field(MFA),
+  Exclude_modules=[analytics,common,router],
+  (length(Args) > 0) and (not lists:member(wf:to_atom(M), Exclude_modules));
+check_if_block_can_has_subblocks(_Tree_head)->
+  true.
+
+parse_mfa_field(MFA) -> % {{{2
+  case MFA of
+    {A1,A2,A3} -> {A1,A2,A3};
+    _ -> {common,empty,[]}
+  end.
+
+extract_mfa_names(#cms_mfa{mfa=MFA}=B) -> % {{{2
+%% @doc "Return list [{mfa_name_in_block, cms_mfa_record}]
+  {_M,F,Args}=parse_mfa_field(MFA),
+  case check_if_block_can_has_subblocks(B) of
+    true  ->
+      case F of
+        panel ->
+          [Ph,Pb,Pa,Pf|_]=Args,
+          [{I,B} || I <- [Ph,Pb,Pa,Pf], I /= []];
+        modal ->
+          [PB,Mt,Mb,Mf|_]=Args,
+          [{I,B} || I <- [PB,Mt,Mb,Mf], I /= []];
+        article ->
+          [Ah,Ab,Af|_]=Args,
+          [{I,B} || I <- [Ah,Ab,Af], I /= []];
+        _ ->[H|_]=Args,
+            [{H,B}]
+      end;
+    _ -> 
+          [{undefined,B}]
+  end.
+
+get_selected_block() -> % {{{2
+  SelectedBlockSess = wf:session(selected_block),
+  case SelectedBlockSess of
+    undefined -> {"body", "body"}; % default block for adding subblocks
+    {A, []} when is_list(A)-> {A, A};
+    {A1, A2} -> {A1, A2}
+  end.
+
+reload_subtree(PID, Block) -> % {{{2
+  PID_move = common:q(add_page_select, "index"),
+  % wf:wire(#event{postback={?MODULE, block, make_active, Saved, PID, MFA, true, 2}, delegate=?MODULE}),
+
+  {SelectedBlock, _} = get_selected_block(),
+  SelectedBlockName = case SelectedBlock of
+    Text when is_list(Text) ->
+      Text;
+    #cms_mfa{id={_PID, BID}} ->
+        BID
+  end,
+  AddToBlock = common:q(add_block, "body"),
+  case (SelectedBlockName == AddToBlock) and (PID_move == PID) of
+    false ->
+      common:script("","$('#tree').html('<div>&nbsp;loading...</div>');"),
+      wf:wire(#event{postback={?MODULE, page, construct, PID_move, [Block]}, delegate=?MODULE});
+    true ->
+      common:script("","$('#tree').remove_tree();")
+  end.
\ No newline at end of file
diff --git a/src/cms_modules/sitemap.erl b/src/cms_modules/sitemap.erl
new file mode 100644
index 0000000..9cc7a35
--- /dev/null
+++ b/src/cms_modules/sitemap.erl
@@ -0,0 +1,72 @@
+%% -*- mode: nitrogen -*-
+%% vim: ts=4 sw=4 et
+-module(sitemap).
+-compile(export_all).
+-include_lib("nitrogen_core/include/wf.hrl").
+-include_lib("xmerl/include/xmerl.hrl").
+-include("db.hrl").
+
+
+%% @doc Generate sitemap.xml content
+generate_sitemap() ->  % {{{2
+    Ns1 = "http://www.sitemaps.org/schemas/sitemap/0.9",
+    PagesAll = db:get_pages(),
+    OnlyActive = fun(I) -> maps:get(active,I)==true end,
+    Pages = lists:filter(OnlyActive, PagesAll),
+    Proto = application:get_env(nitrogen, protocol, "http"),
+    Host = application:get_env(nitrogen, host, "site.com"),
+    BaseUrl = wf:f("~s://~s/", [Proto, Host]),
+    RootElem = #xmlElement{name=urlset,
+                           namespace=#xmlNamespace{default=Ns1},
+                           attributes=[#xmlAttribute{name=xmlns, value=Ns1}],
+                           content = 
+                              lists:map(
+                                fun(I) -> 
+                                  case maps:get(sitemap,I) of
+                                        none ->
+                                          "";
+                                        Fr ->
+                                          Id = maps:get(id,I),
+                                          Url = case wf:to_atom(Id) of
+                                                  index -> 
+                                                      BaseUrl;
+                                                  _ ->
+                                                      wf:f("~s?page=~s", [BaseUrl, Id])
+                                                end,
+                                          {url, [ #xmlElement{ name=loc,
+                                                               content=[Url]
+                                                  },
+                                                  #xmlElement{ name=changefreq,
+                                                               content=[atom_to_list(Fr)]
+                                                  },
+                                                  #xmlElement{ name=lastmod,
+                                                               content=[db:datetime_tostr(maps:get(updated_at,I))]
+                                                  }
+                                                ]
+                                          }
+                                    end                                        
+                                end, Pages
+                              )
+                          },
+    serialize_xml([RootElem]).
+
+
+%% @doc Helper function to generate XML from a data structure 
+serialize_xml(Data) -> % {{{2
+    Prolog = ["<?xml version=\"1.0\" encoding=\"UTF-8\"?>"],
+    Xml = lists:flatten(xmerl:export_simple(Data, xmerl_xml,[{prolog,Prolog}])),
+    % ?LOG("~s~n", [Xml]),
+    Xml.
+
+
+%% changefreq for page
+sitemap_frequencies() -> % {{{2
+  [{always,"always"},
+   {hourly,"hourly"},
+   {daily,"daily"},
+   {weekly,"weekly"},
+   {monthly,"monthly"},
+   {yearly,"yearly"},
+   {never,"never"},
+   {none,"none"}
+  ].
diff --git a/src/collections/analytics.erl b/src/collections/analytics.erl
index 8292803..76fcf6f 100644
--- a/src/collections/analytics.erl
+++ b/src/collections/analytics.erl
@@ -26,7 +26,12 @@ default_data() -> % {{{2
                             file="templates/analytics/ya_analytics.html",
                             bindings=[],
                             description="Yandex Analytics",
-                            name="templates/analytics/ya_analytics.html"}
+                            name="templates/analytics/ya_analytics.html"},
+                  #cms_template{
+                            file="templates/analytics/google_tags.html",
+                            bindings=[],
+                            description="Google tags",
+                            name="templates/analytics/google_tags.html"}
                   ]}.
 
 %% CMS Module interface {{{1
@@ -34,7 +39,9 @@ functions() -> % {{{2
     [
      {metric_ga, "Google"},
      {metric_ya, "Yandex"},
-     {metric_hs, "Hubspot"}
+     {metric_hs, "Hubspot"},
+     {metric_gtags, "Google tags"},
+     {metric_gtags_noscript, "Google tags (noscript)"}
     ].
 
 format_block(F, A) -> % {{{2
@@ -67,3 +74,14 @@ metric_ga(Page, AnalyticsId) -> % {{{2
       "templates/analytics/ga_analytics.html",
       [ {'AnalyticsId', AnalyticsId} ]
     ).
+
+metric_gtags(Page, AnalyticsId) -> % {{{2
+    common:template(Page,
+      "templates/analytics/google_tags.html",
+      [ {'AnalyticsId', AnalyticsId} ]
+    ).
+metric_gtags_noscript(Page, AnalyticsId) -> % {{{2
+    common:template(Page,
+      "templates/analytics/google_tags_noscript.html",
+      [ {'AnalyticsId', AnalyticsId} ]
+    ).
diff --git a/src/collections/bootstrap.erl b/src/collections/bootstrap.erl
index 0421cde..cfc58e1 100644
--- a/src/collections/bootstrap.erl
+++ b/src/collections/bootstrap.erl
@@ -25,7 +25,8 @@ functions() -> % {{{2
      {table, "Table"},
      {th, "Table header"},
      {tr, "Table row"},
-     {td, "Table cell"}
+     {td, "Table cell"},
+     {languages_menu, "Language selector"}
      ].
 
 format_block(col, [Block, Width, Offset, Classes]) -> % {{{2
@@ -79,24 +80,33 @@ form_data(panel, A) -> % {{{2
     [_, HeaderBlock, Block,  AddonsBlock, FooterBlock, HeaderCls, BodyCls, FooterCls, AddonCls, Classes0, DataAttr] = admin:maybe_empty(A, 11),
     [Classes, Context] = admin:maybe_empty(Classes0, 2),
     {[
-      {"Block for panel header",
-      #txtbx{
-         id=panel_header_block,
-         text=HeaderBlock,
-         placeholder="Block name for panel header (leave blank for none)"
-        }},
-      {"Block for panel addons",
-      #txtbx{
-         id=panel_addons_block,
-         text=AddonsBlock,
-         placeholder="Block name for panel addons (leave blank for none)"
-        }},
-      {"Block for panel footer",
-      #txtbx{
-         id=panel_footer_block,
-         text=FooterBlock,
-         placeholder="Block name for panel footer (leave blank for none)"
-        }}
+      #panel{
+        body=[
+          #span{text="Block for panel header"},
+          #txtbx{
+             id=panel_header_block,
+             text=HeaderBlock,
+             placeholder="Block name for panel header (leave blank for none)"
+            }
+      ]},
+      #panel{
+        body=[
+          #span{text="Block for panel addons"},
+          #txtbx{
+             id=panel_addons_block,
+             text=AddonsBlock,
+             placeholder="Block name for panel addons (leave blank for none)"
+            }
+      ]},
+      #panel{
+        body=[
+          #span{text="Block for panel footer"},
+          #txtbx{
+             id=panel_footer_block,
+             text=FooterBlock,
+             placeholder="Block name for panel footer (leave blank for none)"
+            }
+      ]}
      ],
      [
       {"Context",
@@ -245,6 +255,27 @@ form_data(container, A) -> % {{{2
      Block,
      Classes
     };
+form_data(languages_menu, A) -> % {{{2
+    [_, Block, ShowText, ShowFlag, Classes, DataAttr] = admin:maybe_empty(A, 6),
+
+    {[#checkbox{
+         text="Show text",
+         label_position=before,
+         id=showtext,
+         checked=ShowText==on
+        },
+      #checkbox{
+         text="Show flag",
+         label_position=before,
+         id=showflag,
+         checked=ShowFlag==on
+        }
+      ],
+     [],
+     Block,
+     Classes,
+     DataAttr
+    };
 form_data(_F, [_, Block, Classes]) -> % {{{2
     {[], [], Block, Classes};
 form_data(_F, []) -> % {{{2
@@ -299,10 +330,21 @@ save_block(#cms_mfa{id={PID, Block}, mfa={bootstrap, tab, [TabBlock, Classes, _D
                 ]);
 save_block(#cms_mfa{id={_PID, _}, mfa={bootstrap, col, [Block, [Classes, W, O ], _DataAttr]}}=Rec) -> % {{{2
     Rec#cms_mfa{mfa={bootstrap, col, [Block, W, O, Classes]}};
-%save_block(#cms_mfa{id={PID, _}, mfa={bootstrap, full_block, [Block ]}}=Rec) -> % {{{2
-%    ColClass = common:q(col_class, ""),
-%    Rec#cms_mfa{mfa={bootstrap, full_block, [Block, RowClass, ColClass]}};
-save_block(#cms_mfa{id={PID, _}, mfa={bootstrap, nav_item, [Block, URL, Text, Classes, DataAttr]}}=Rec) -> % {{{2
+
+save_block(#cms_mfa{id={_PID, _}, mfa={bootstrap, languages_menu, [Block, Classes, DataAttr]}}=Rec) -> % {{{2
+    ShowText = wf:to_atom(common:q(showtext, false)),
+    ShowFlag = wf:to_atom(common:q(showflag, false)),
+    Rec#cms_mfa{mfa={bootstrap, languages_menu, [Block, ShowText, ShowFlag, Classes, DataAttr]}};
+
+save_block(#cms_mfa{id={PID, _}, mfa={bootstrap, nav_item, [BlockName, URL, Text, Classes, DataAttr]}}=Rec) -> % {{{2
+    BlockCutLi=case re:run(BlockName, "/li$") of
+      nomatch -> BlockName;
+      {match,[{Start, _}]} -> string:substr(BlockName, 1, Start)
+    end,
+    Block=case re:run(BlockCutLi, "^\\+") of
+      nomatch -> BlockCutLi;
+      {match,[{_, _}]} -> string:substr(BlockCutLi, 2)
+    end,
     NavItemBlock = common:private_block(common:sub_block(Block, "li")),
 
     case URL of
@@ -312,7 +354,7 @@ save_block(#cms_mfa{id={PID, _}, mfa={bootstrap, nav_item, [Block, URL, Text, Cl
                                mfa={bootstrap, dropdown, [Block]},
                                sort=1}),
             db:maybe_update(#cms_mfa{id={PID, common:sub_block(Block, "link")},
-                               mfa={common, text, [Text ++ "<b class='caret'></b>"]},
+                               mfa={common, text, [Text]},
                                sort=1}),
             [
              Rec#cms_mfa{mfa={bootstrap, nav_item, [NavItemBlock, [Classes], DataAttr]}}
@@ -328,7 +370,15 @@ save_block(#cms_mfa{id={PID, _}, mfa={bootstrap, nav_item, [Block, URL, Text, Cl
              Rec#cms_mfa{mfa={bootstrap, nav_item, [NavItemBlock, Classes, DataAttr]}}
             ]
     end;
-save_block(#cms_mfa{id={PID, _}, mfa={bootstrap, navbar, [Block, [Classes, Position, Padding], _DataAttr]}}=Rec) -> % {{{2
+save_block(#cms_mfa{id={PID, _}, mfa={bootstrap, navbar, [BlockName, [Classes, Position, Padding], _DataAttr]}}=Rec) -> % {{{2
+    BlockCutPostfix=case re:run(BlockName, "/navbar-ul$") of
+      nomatch -> BlockName;
+      {match,[{Start, _}]} -> string:substr(BlockName, 1, Start)
+    end,
+    Block=case re:run(BlockCutPostfix, "^\\+") of
+      nomatch -> BlockCutPostfix;
+      {match,[{_, _}]} -> string:substr(BlockCutPostfix, 2)
+    end,
     NavItemsBlock = common:private_block(common:sub_block(Block, "navbar-ul")),
     Inverse = common:q(inverse, "default"),
     NewClasses = [Classes | admin:prefix_classes(navbar, [Inverse, Position])],
@@ -338,6 +388,7 @@ save_block(#cms_mfa{id={PID, _}, mfa={bootstrap, navbar, [Block, [Classes, Posit
                              mfa={bootstrap, nav_items, [Block, ["navbar-nav" | PPadding]]},
                              sort=1}),
     Rec#cms_mfa{mfa={bootstrap, navbar, [NavItemsBlock, NewClasses]}};
+
 save_block(#cms_mfa{id={_PID, _}, mfa={bootstrap, container, [Block, Classes, _DataAttr]}}=Rec) -> % {{{2
     Fluid = case common:q(fluid, "") of
                 "" -> "container";
@@ -521,9 +572,58 @@ tab_body(Page, Block, Classes, _DataAttr) -> % {{{2
     #panel{
        html_id=common:block_to_html_id(Block),
        %role="tabpanel",
-       class=["tab-pane" | Classes],
+       class=["tab-panel" | Classes],
        body=common:parallel_block(Page, Block)
       }.
+languages_menu(Page, Block, ShowText, ShowFlag, Classes, DataAttr) -> % {{{2
+    Language = index:language(Page),
+    [#cms_language{icon=LanguageIcon}]=db:get_language(Language),
+    AssetId=lists:reverse(string:tokens(LanguageIcon,".")),
+    Current=#span{
+      text=case ShowText of 
+        on -> Language;
+        _ -> ""
+      end,
+      body=case ShowFlag of 
+        on ->[common:img(Page, AssetId, "flags-icon icon")];
+        _ -> []
+      end
+    },
+    #panel{
+      html_id=common:block_to_html_id(Block),
+      body=[
+          #btn{
+            id=dropdownMenuButton,
+            body=[Current],
+            class="btn dropdown-toggle",
+            data_fields=[{toggle, "dropdown"}]
+          },
+          languages_items(Page, ShowText, ShowFlag)
+      ],
+      class=["dropdown" | Classes],
+      data_fields = DataAttr
+    }.
+languages_items(Page, ShowText, ShowFlag) -> % {{{2
+    URI=wf:uri(),
+    Languages=
+      [ #link{
+          url=index:set_url_with_lang(URI, Id),
+          class="dropdown-item",
+          body=[#span{
+                  text=case ShowText of 
+                    on -> Id;
+                    _ -> ""
+                  end,
+                  body=case ShowFlag of 
+                    on ->[common:img(Page, lists:reverse(string:tokens(Icon,".")), "flags-icon icon")];
+                    _ -> []
+                  end
+                }]} || #{id := Id, icon := Icon} <- db:get_languages(), Id/="any"
+      ],
+    #panel{
+      body=Languages,
+      class="dropdown-menu"
+    }.
 
 modal(Page, Block, TitleBlock, BodyBlock, FooterBlock, Classes) -> % {{{2
     modal(Page, Block, TitleBlock, BodyBlock, FooterBlock, Classes, []).
@@ -553,7 +653,8 @@ event(submenu) -> % {{{2
                                     ]})
     end;
 event(Ev) -> % {{{2
-    ?LOG("~p event ~p", [?MODULE, Ev]).
+    ?LOG("~p event ~p", [?MODULE, Ev]),
+    "".
 
 %% Dropdown formatters {{{1
 position_classes(navbar) -> % {{{2
diff --git a/src/collections/common.erl b/src/collections/common.erl
index c02e72f..64e8330 100644
--- a/src/collections/common.erl
+++ b/src/collections/common.erl
@@ -15,7 +15,8 @@ functions() -> % {{{2
      {template, "Template"},
      %{icon, "Icon"},
      %{script, "Inline Script"},
-     {text, "Text with HTML"}
+     {text, "Text with HTML"},
+     {empty, "undefined"}
      ].
 
 
@@ -31,7 +32,6 @@ format_block(asset, [AID]) -> % {{{2
     [#cms_asset{type=Type, file=File, name=Name}|_] = db:get_asset(AID),
     {wf:f("Asset ~s: ~s(~p)", [Type, Name, File]), undefined};
 format_block(F, A) -> % {{{2
-    % ?LOG("format_block: F:~p, A:~p",[F,A]),
     {wf:f("common:~s(~p)", [F, A]), undefined}.
 
 
@@ -129,7 +129,6 @@ form_data(template, A) -> % {{{2
        }
     ];
 form_data(img, A) -> % {{{2
-    ?LOG("Image: ~p", [A]),
     [_, AID, Classes] = admin:maybe_empty(A, 3),
 
     {[
@@ -139,7 +138,6 @@ form_data(img, A) -> % {{{2
     [], "", Classes};
 
 form_data(asset, A) -> % {{{2
-    ?LOG("Asset: ~p", [A]),
     [_, AID] = admin:maybe_empty(A, 2),
     Type = case db:get_asset(AID) of
                [] -> binary;
@@ -182,12 +180,13 @@ parallel_block(#cms_page{id = PID} = Page, Block) -> % {{{2
       [maybe_render_block(Page, MFA) || MFA <- db:get_mfa(PID, Block)]
     catch  error:E -> 
         ?LOG("~nError: ~p ~p ~p",[E,PID, Block]),
-        wf:redirect("/?page=500")
+        wf:status_code(500),
+        common:template(Page,"templates/500.html")
     end.
 
 waterfall(#cms_page{id = PID} = Page, Block) -> % {{{2
     Functions = db:get_mfa(PID, Block),
-    ?LOG("Waterfall: ~p", [Functions]),
+    wf:session(history, undefined),
     lists:foldl(fun(#cms_mfa{mfa={M, F, Args}}, #cms_page{}=P) ->
                         apply(M, F, [P | Args]);
                    (#cms_mfa{mfa=Fun}, #cms_page{}=P) when is_function(Fun) ->
@@ -233,7 +232,6 @@ template(Page, TID) -> % {{{2
     template(Page, TID, []).
 
 template(Page, TID, AdditionalBindings) -> % {{{2
-    ?LOG("Page for template: ~p, TID: ~p", [Page, TID]),
     [#cms_template{file=File,
                    bindings=Bindings}] = db:get_template(TID),
     #template{file=File,
@@ -269,7 +267,8 @@ event({asset, type, change}) -> % {{{2
     wf:replace(asset_id, assets_dropdown(AssetType));
 
 event(Ev) -> % {{{2
-    ?LOG("~p event(common.erl) ~p", [?MODULE, Ev]).
+    ?LOG("~p undefined event ~p", [?MODULE, Ev]),
+    undefined.
 
 %% Helpers {{{1
 block_to_html_id(Block) -> % {{{2
@@ -310,38 +309,45 @@ module_by_function(FunTuple) -> % {{{2
           F <- M:module_info(exports),
           F == FunTuple].
 
-maybe_render_block(Page, #cms_mfa{settings=#{filters := Filters}}=MFA) -> % {{{2
-    ?LOG("Filters: ~p", [Filters]),
-    render_block(apply_filters(Filters), Page, MFA);
-maybe_render_block(Page, MFA) -> % {{{2
-    render_block(true, Page, MFA).
+maybe_render_block(Page, #cms_mfa{active=A, settings=#{filters := Filters}}=MFA) -> % {{{2
+    Check=apply_filters(Filters) and A,
+    render_block(Check, Page, MFA);
+maybe_render_block(Page, #cms_mfa{active=A}=MFA) -> % {{{2
+    render_block(A, Page, MFA).
 
 render_block(false, _, _) -> % {{{2
-    ?PRINT("Dont't show"),
+    % ?PRINT("Dont't show"),
     "";
 render_block(true, Page, #cms_mfa{id=_Id, mfa={?MODULE, text=F, Args}}=MFA) -> % {{{2
     apply(?MODULE, F, [Page, MFA | Args]);
 render_block(true, Page, #cms_mfa{mfa={M, F, Args}}) -> % {{{2
     apply(M, F, [Page | Args]);
 render_block(true, Page, #cms_mfa{mfa=Fun}) when is_function(Fun) -> % {{{2
-    ?LOG("render_block: ~p fun:~p", [Page,Fun]),
     Fun(Page).
 
-apply_filters(["", "", ""]) -> % {{{2
+apply_filters(["", "", "", ""]) -> % {{{2
     true;
-apply_filters([undefined, undefined, undefined]) -> % {{{2
+apply_filters([undefined, undefined, undefined, undefined]) -> % {{{2
     true;
-apply_filters(["", "", Role]) -> % {{{2
-    #cms_user{role=R} = account:user(),
-    ?LOG("Am I ~p - ~p", [Role, wf:to_atom(Role) == R]),
-    wf:to_atom(Role) == R;
-apply_filters([K, V, ""]) -> % {{{2
-    D = wf:q(wf:to_atom(K)),
-    ?LOG("K: ~p, V: ~p, Q: ~p", [K, V, D]),
-    D == wf:to_list(V);
-apply_filters([K, V, R]) -> % {{{2
+apply_filters([K, V, R, T]) -> % {{{2
+    FilterKV = case K of
+      "" -> true;
+      "lang" -> index:language([]) == V; 
+      K -> wf:to_list(wf:q(wf:to_atom(K))) == wf:to_list(V)
+    end,
     #cms_user{role=Role} = account:user(),
-    (Role == wf:to_atom(R)) and wf:q(wf:to_atom(K)) == wf:to_list(V);
+    FilterRole = case R of
+      "" -> true;
+      R -> Role == wf:to_atom(R)
+    end,
+    FilterLang = case T of 
+      "" -> true;
+      "any" -> true;
+      Lang -> index:language([]) == Lang
+    end,
+    FilterKV and FilterRole and FilterLang;
+
+
 apply_filters(_) -> % {{{2
     true.
 
@@ -357,12 +363,17 @@ maybe_wrap_to_edit(Text, #cms_mfa{id={"admin", _}}, true) -> % {{{2
     Text;
 maybe_wrap_to_edit(Text, #cms_mfa{id={_PID, Block}, sort=S}=MFA, true) -> % {{{2
     %% @doc "Return panel for edit a textblock if user have permission",
-    #panel{
-       id=common:block_to_html_id(wf:f("~s-~p", [Block, S])),
-       body=Text,
-       style="border: #c33 1px dashed; cursor: text;padding: 10px;",
-       actions=?POSTBACK({?MODULE, edit, text, MFA, Text}, admin)
-      }.
+    case string:str(Block, "/validate") of %% dirty hack prevent error
+      0 ->
+        #panel{   
+           id=common:block_to_html_id(wf:f("~s-~p", [Block, S])),
+           body=Text,
+           style="border: #c33 1px dashed; cursor: text;padding: 10px;",
+           actions=?POSTBACK({?MODULE, edit, text, MFA, Text}, admin)
+          };
+      _Some ->  
+        Text
+    end.
 
 
 %% Dropdown formatters {{{1
diff --git a/src/collections/emailform.erl b/src/collections/emailform.erl
index 65e6838..0040cb0 100644
--- a/src/collections/emailform.erl
+++ b/src/collections/emailform.erl
@@ -53,10 +53,44 @@ form_data(rating, A) -> % {{{2
      [],
      Block,
      Classes};
+form_data(email_field, A) -> % {{{2
+    [_PID, Block, Required, Classes] = admin:maybe_empty(A, 4),
+    {[],
+     [
+      #checkbox{
+         text="Required",
+         % value=true,
+         label_position=before,
+         id=email_required,
+         checked=Required
+        }
+     ],
+     Block,
+     Classes
+    };
+form_data(submit, [Page, Block, ToEmail, Classes]) -> % {{{2
+    form_data(submit, [Page, Block, ToEmail, false, Classes]);
+
+form_data(submit, [Page, Block, ToEmail, Smtp, Classes]) -> % {{{2
+    form_data(submit, [Page, Block, ToEmail, Smtp, [], Classes]);
+
 form_data(submit, A) -> % {{{2
-    [_, Block, ToEmail, Classes] = admin:maybe_empty(A, 4),
+    [_, Block, ToEmail, Smtp, Apicall, Classes] = admin:maybe_empty(A, 6),
     {[
-      {"Email to send form", {to_email, ToEmail}}
+      {"Email to send form", {to_email, ToEmail}},
+        #checkbox{
+                text="Use Smtp",
+                label_position=before,
+                id=use_smtp,
+                checked=Smtp
+        },
+        {"API call:",
+            #txtbx{
+                id=api,
+                text=Apicall,
+                placeholder="https://api.name/method?email={{email}}"
+            }
+        }
      ],
      [],
      Block,
@@ -67,45 +101,58 @@ form_data(_F, []) -> % {{{2
     {[], []}.
 
 save_block(#cms_mfa{id={_PID, _}, mfa={_M, rating=Fun, A}}=Rec) -> % {{{2
-    % ?LOG("save rating: ~p", [Rec]),
     [Block, Min, Max, Step, Size, Classes, _DataAttr] = admin:maybe_empty(A, 7),
     ShowCaption = wf:to_atom(common:q(show_caption, false)),
     ShowClear = wf:to_atom(common:q(show_clear, false)),
     Rec#cms_mfa{mfa={?MODULE, Fun, [Block, Min, Max, Step, Size, ShowCaption, ShowClear, Classes]}};
 
-save_block(#cms_mfa{id={_PID, _}, mfa={_M, submit=Fun,  [B, Email, Classes, _DataAttr]}}=Rec) -> % {{{2
-    Rec#cms_mfa{mfa={?MODULE, Fun, [B,Email, Classes]}};
+save_block(#cms_mfa{id={_PID, _}, mfa={_M, submit=Fun,  [B, Email, Apicall, Classes, _DataAttr]}}=Rec) -> % {{{2
+    Smtp = wf:to_atom(common:q(use_smtp, false)),
+    Rec#cms_mfa{mfa={?MODULE, Fun, [B, Email, Smtp, Apicall, Classes]}};
+save_block(#cms_mfa{id={_PID, _}, mfa={_M, email_field=Fun,  [B, Classes, _DataAttr]}}=Rec) -> % {{{2
+    Required = wf:to_atom(common:q(email_required, false)),
+    Rec#cms_mfa{mfa={?MODULE, Fun, [B, Required, Classes]}};
 save_block(#cms_mfa{id={_PID, _}, mfa={_M, Fun,  [B, Classes, _DataAttr]}}=Rec) -> % {{{2
     Rec#cms_mfa{mfa={?MODULE, Fun, [B, Classes]}}.
-
-
 %% Block renderers {{{1
 email_field(Page, Block, Classes) -> % {{{2
-     #panel{
-        class="form-group",
-        body=#txtbx{
-                id=email,
-        html_id=common:block_to_html_id(Block),
-                class=Classes,
-                placeholder=common:parallel_block(Page, Block)}}.
+    email_field(Page, Block, on, Classes).
+email_field(Page, Block, Required, Classes) -> % {{{2
+
+    case Required of
+        on ->  
+            ValidatorBlock = common:sub_block(Block, "validate"),
+            wf:defer(submit,
+                     email,
+                     #validate{
+                        validators=[
+                                    #is_email{text=common:parallel_block(Page, ValidatorBlock)}
+                                   ]
+                       }
+                    );
+
+        _ -> ok
+    end,
+    #txtbx{
+       id=email,
+       html_id=common:block_to_html_id(Block),
+       class=Classes,
+       placeholder=common:parallel_block(Page, Block)
+    }.
 
 phone_field(Page, Block, Classes) -> % {{{2
-     #panel{
-        class="form-group",
-        body=#txtbx{
-                id=phone,
-                html_id=common:block_to_html_id(Block),
-                class=Classes,
-                placeholder=common:parallel_block(Page, Block)}}.
+    #txtbx{
+       id=phone,
+       html_id=common:block_to_html_id(Block),
+       class=Classes,
+       placeholder=common:parallel_block(Page, Block)}.
 
 body_field(Page, Block, Classes) -> % {{{2
-     #panel{
-        class="form-group",
-        body=#txtarea{
-                id=text,
-                html_id=common:block_to_html_id(Block),
-                class=Classes,
-                placeholder=common:parallel_block(Page, Block)}}.
+    #txtarea{
+       id=text,
+       html_id=common:block_to_html_id(Block),
+       class=Classes,
+       placeholder=common:parallel_block(Page, Block)}.
 
 rating(_Page, Block, Min, Max, Step, Size, ShowCaption, ShowClear, _Classes) -> % {{{2
     #textbox{id=common:block_to_html_id(Block),
@@ -121,30 +168,37 @@ rating(_Page, Block, Min, Max, Step, Size, ShowCaption, ShowClear, _Classes) ->
                     ]}.
 
 submit(Page, Block, ToEmail, Classes) -> % {{{2
-     #btn{
+    submit(Page, Block, ToEmail, false, Classes).
+submit(Page, Block, ToEmail, Smtp, Classes) -> % {{{2
+    submit(Page, Block, ToEmail, Smtp, [], Classes).
+submit(Page, Block, ToEmail, Smtp, Apicall, Classes) -> % {{{2
+    #btn{
         %type=success,
+        id=submit,
         size=lg,
         html_id=common:block_to_html_id(Block),
         class=["btn-block"|Classes],
         body=common:parallel_block(Page, Block),
-        postback={submit, Page, Block, ToEmail},
+        postback={submit, Page, Block, ToEmail, Smtp, Apicall},
         delegate=?MODULE
        }.
 
 %% Event handlers % {{{1
-event({submit, #cms_page{id=PID}=Page, Block, ToEmail}) -> % {{{2
+event({submit, #cms_page{id=PID}=Page, Block, ToEmail, Smtp, Apicall}) -> % {{{2
     Phone = wf:to_list(common:q(phone, "")),
     RatingsPL = wf:q_pl(get_form_rating_ids(Page, Block)),
-    ?LOG("Ratings: ~p~n", [RatingsPL]),
+    % ?LOG("Ratings: ~p~n", [RatingsPL]),
     TextForm = unicode:characters_to_binary(wf:to_list(common:q(text, ""))),
     Host = application:get_env(nitrogen, host, "site.com"),
-    FromEmail = application:get_env(nitrogen, form_email, "form@" ++ Host),
-    Email = wf:to_list(common:q(email, FromEmail)),
+    FromEmailForm = application:get_env(nitrogen, form_email, "form@" ++ Host),
+    Subject = "Form sent from " ++ Host,
+    Email = wf:to_list(common:q(email, FromEmailForm)),
     Text = [
-            add_if_not_empty("E-mail: ", FromEmail),
+            add_if_not_empty("Email: ", Email),
             add_if_not_empty("Phone: ", Phone),
             add_if_not_empty("Your ratings: ",
                             [wf:f("~s: ~p~n", [K, V]) || {K, V} <- RatingsPL]),
+            "\n",
             TextForm
            ],
     Flash = #span{
@@ -158,8 +212,32 @@ event({submit, #cms_page{id=PID}=Page, Block, ToEmail}) -> % {{{2
                     target=FlashID,
                     actions=#hide{effect=blind, speed=40}
                    }),
-    smtp:send_html(Email, ToEmail, "Form sent from site", Text),
+    case Apicall of
+        [] -> 
+            case Smtp of
+                on ->
+                    AuthData = application:get_env(esmpt, smtp_auth_data),
+                    HostSmtp = application:get_env(esmpt, host),
+                    Port = application:get_env(esmpt, port, 465),
+                    Options = [{use_ssl, true}, {host, HostSmtp}, {port, Port}],
+                    Body = lists:concat([Text]),
+                    gen_smtpc:send(AuthData, ToEmail, Subject, Body, Options);
+                _ ->
+                    smtp:send_html(FromEmailForm, ToEmail, Subject, Text, Email)
+            end,
+            ?LOG("Send email to ~p from ~p", [ToEmail, Email]);
+        Url -> 
+            UrlWithEmail = re:replace(Url, "{{email}}", wf:url_encode(Email), [{return, list}]),
+            UrlWithPhone = re:replace(UrlWithEmail, "{{phone}}", Phone, [{return, list}]),
+            UrlWithName = re:replace(UrlWithPhone, "{{name}}", wf:to_list(common:q(name, "")), [{return, list}]),
+            ?LOG("Apicall: ~p", [UrlWithName]),
+            {ok, {{_Version, 200, ResultPhrase}, _Headers, _Body}} = httpc:request(get, {UrlWithName, []}, [], []),
+            ?LOG("Result:~p",[ResultPhrase])
+    end,
+
+    
     admin:add_form(PID, Phone, TextForm, Email, RatingsPL),
+    coldstrap:close_modal(),
     wf:flash(FlashID, Flash);
 event(Ev) -> % {{{2
     ?LOG("~p event ~p", [?MODULE, Ev]).
@@ -170,8 +248,9 @@ get_form_rating_ids(#cms_page{id=PID}, Block) -> % {{{2
       fun() ->
               [#cms_mfa{id={PID, FormBlock}} | _] = mnesia:match_object(
                                                       #cms_mfa{id={PID, '_'},
-                                                               mfa={emailform, submit, [Block, '_', '_']},
+                                                               mfa={emailform, submit, [Block, '_', '_','_','_']},
                                                                _='_'}),
+
               Elements = mnesia:match_object(
                            #cms_mfa{id={PID, FormBlock}, 
                                     mfa={emailform, rating, '_'},
@@ -184,5 +263,5 @@ add_if_not_empty(_Header, undefined) -> % {{{2
 add_if_not_empty(_Header, "") -> % {{{2
     "";
 add_if_not_empty(Header, Text) -> % {{{2
-    [Header, "\n", Text].
+    [Header, Text, "\n"].
 %% Dropdown formatters {{{1
diff --git a/src/collections/html5.erl b/src/collections/html5.erl
index 33928aa..10cd203 100644
--- a/src/collections/html5.erl
+++ b/src/collections/html5.erl
@@ -28,7 +28,8 @@ functions() -> % {{{2
      {main, "Main"},
      {section, "Section"},
      {time, "Time"},
-     {iframe, "Iframe"}
+     {iframe, "Iframe"},
+     {input, "Input"}
      ].
 
 format_block(block, [Block, Classes, DataAttr]) -> % {{{2
@@ -51,7 +52,6 @@ format_block(F, [Block, Data, Classes, DataAttr]) -> % {{{2
 format_block(F, [Block, Classes, DataAttr]) -> % {{{2
   {wf:f("html5(~s): (id:~p class=~p attr:~p)", [F, Block, Classes, DataAttr]), Block};
 format_block(F, A) -> % {{{2
-    % ?LOG("format_block: F:~p, A:~p",[F,A]),
     {wf:f("html5: ~s(~p)", [F, A]), undefined}.
 
 
@@ -67,6 +67,29 @@ form_data(list, A) -> % {{{2
          }
      ],
      [], Block, Classes, DataAttr};
+form_data(input,  A) -> % {{{2
+    [_, Block, Readonly, Maxlen, Text, Classes, DataAttr] = admin:maybe_empty(A, 7),
+    {[
+       #checkbox{
+          text="Readonly",
+          label_position=before,
+          id=readonly_input,
+          checked=Readonly
+         },
+        {"Max length (optional)",
+         #txtbx{
+            id=maxlength_input,
+            text=Maxlen,
+            placeholder=""
+           }},
+        {"Text (optional)",
+         #txtbx{
+            id=text_input,
+            text=Text,
+            placeholder=""
+           }}
+     ],
+     [], Block, Classes, DataAttr};
 form_data(link_url, A) -> % {{{2
     [_, Block, URL, Classes, DataAttr] = admin:maybe_empty(A, 5),
     {[
@@ -80,7 +103,6 @@ form_data(link_url, A) -> % {{{2
      [], Block, Classes, DataAttr};
 form_data(iframe, A) -> % {{{2
     [_, Block, URL, Width, Height, AllowFls, Classes, DataAttr] = admin:maybe_empty(A, 8),
-    ?LOG("form_data iframe ~p",[AllowFls]),
     {[
       {"URL",
        #txtbx{
@@ -143,18 +165,24 @@ form_data(header, A) -> % {{{2
 form_data(article, A) -> % {{{2
     [_, HeaderBlock, Block, FooterBlock, Classes, DataAttr] = admin:maybe_empty(A, 6),
     {[
-      {"Block for header",
-      #txtbx{
-         id=article_header_block,
-         text=HeaderBlock,
-         placeholder="Block name for article header (leave blank for none)"
-        }},
-      {"Block for footer",
-      #txtbx{
-         id=article_footer_block,
-         text=FooterBlock,
-         placeholder="Block name for article footer (leave blank for none)"
-        }}
+      #panel{
+        body=[
+          #span{text="Block for header"},
+          #txtbx{
+             id=article_header_block,
+             text=HeaderBlock,
+             placeholder="Block name for article header (leave blank for none)"
+            }
+      ]},
+      #panel{
+        body=[
+          #span{text="Block for footer"},
+          #txtbx{
+             id=article_footer_block,
+             text=FooterBlock,
+             placeholder="Block name for article footer (leave blank for none)"
+            }
+      ]}
      ],
      [],
      Block,
@@ -163,15 +191,23 @@ form_data(article, A) -> % {{{2
     }.
 
 save_block(#cms_mfa{mfa={html5, list, [Block, Classes, DataAttr]}}=Rec) -> % {{{2
-    Num = wf:to_atom(common:q(numbered, "false")),
+    Num = wf:to_atom(common:q(numbered, false)),
     Rec#cms_mfa{mfa={html5, list, [Block, Num, Classes, DataAttr]}};
+
+save_block(#cms_mfa{mfa={html5, input, [Block, Maxlen, Text, Classes, DataAttr]}}=Rec) -> % {{{2
+    Readonly = wf:to_atom(common:q(readonly_input, false)),
+    Rec#cms_mfa{mfa={html5, input, [Block, Readonly, Maxlen, Text, Classes, DataAttr]}};
+
 save_block(#cms_mfa{mfa={html5, link_url, [Block, URL, Classes, DataAttr]}}=Rec) -> % {{{2
     Rec#cms_mfa{mfa={html5, link_url, [Block, URL, Classes, DataAttr]}};
+
 save_block(#cms_mfa{mfa={html5, iframe, [Block, URL, Width, Height, Classes, DataAttr]}}=Rec) -> % {{{2
     AllowFls = wf:to_atom(common:q(allowfullscreen, false)),
     Rec#cms_mfa{mfa={html5, iframe, [Block, URL, Width, Height, AllowFls, Classes, DataAttr]}};
+
 save_block(#cms_mfa{mfa={html5, email_link, [Block, URL, Classes, DataAttr]}}=Rec) -> % {{{2
     Rec#cms_mfa{mfa={html5, email_link, [Block, URL, Classes, DataAttr]}};
+
 save_block(#cms_mfa{mfa={html5, header, [Block, Level, Classes, DataAttr]}}=Rec) -> % {{{2
   L = try
       case list_to_integer(Level) of
@@ -231,8 +267,13 @@ link_url(Page, Block, URL) -> % {{{2
 link_url(Page, Block, URL, Classes) -> % {{{2
     link_url(Page, Block, URL, Classes, []).
 link_url(Page, Block, URL, Classes, DataAttr) -> % {{{2
+    LangId=index:language(Page),
+    UpdUrl=case re:run(URL,"\\w+\\.\\w+") of %check if html link contanis url with domain_name
+        nomatch->index:set_url_with_lang(URL, LangId);
+        _->URL
+    end,
     #link{
-       url=URL, 
+       url=UpdUrl, 
        html_id=common:block_to_html_id(Block),
        class=Classes,
        body=common:parallel_block(Page, Block),
@@ -420,3 +461,13 @@ iframe(_Page, Block, URL, Width, Height, AllowFls, Classes, DataAttr) -> % {{{2
     height=Height,
     data_fields = DataAttr
 }.
+
+input(_Page, Block, Readonly, Maxlen, Text, Classes, DataAttr) -> % {{{2
+  #txtbx {
+    html_id=common:block_to_html_id(Block),
+    class=Classes,
+    text=Text,
+    readonly=Readonly,
+    maxlength=Maxlen,
+    data_fields = DataAttr
+  }.
diff --git a/src/collections/router.erl b/src/collections/router.erl
index 04b78a6..30538f9 100644
--- a/src/collections/router.erl
+++ b/src/collections/router.erl
@@ -115,11 +115,11 @@ common_redirect(_Page, _Block, URL) -> % {{{2
 maybe_change_module(#cms_page{module=Module} = Page) -> % {{{2
     maybe_change_module(#cms_page{module=Module} = Page, []).
 maybe_change_module(#cms_page{module=Module} = Page, _) -> % {{{2
-    ?LOG("Change module: ~p(~p)", [Page, Module]),
     case wf:page_module() of 
         Module ->
             Page;
         _Other ->
+            ?LOG("Change module: ~p(~p)", [Page, Module]),
             URI = wf:uri(),
             QS = get_qs(URI),
             wf:redirect(wf:f("/~s~s", [Module, QS]))
@@ -127,7 +127,7 @@ maybe_change_module(#cms_page{module=Module} = Page, _) -> % {{{2
 render(Page, _) -> % {{{2
     render(Page).
 render(Page) -> % {{{2
-    ?LOG("render:: ~p", [Page]),
+    % ?LOG("render:: ~p", [Page]),
     try common:waterfall(Page, "page")
     catch
         error:unauthorized -> 
diff --git a/src/collections/web_404.erl b/src/collections/web_404.erl
index 9bfdb16..4b48fcb 100644
--- a/src/collections/web_404.erl
+++ b/src/collections/web_404.erl
@@ -1,8 +1,11 @@
 %% vim: ts=4 sw=4 et
 -module(web_404).
+-compile(export_all).
 -export ([main/0]).
 
 main() ->
-	URI = wf:uri(),
+	% URI = wf:uri(),
     % io:format("~n ~p:check_page ~p",[?MODULE,URI]),
-    wf:redirect('/?page=404').
+    Page = db:get_page("404"),
+    wf:status_code(404),
+    common:template(Page,"templates/404.html").
diff --git a/src/db.erl b/src/db.erl
index 2cd7773..4227bac 100644
--- a/src/db.erl
+++ b/src/db.erl
@@ -7,17 +7,19 @@
 -compile([export_all]).
 -include("db.hrl").
 -include_lib("nitrogen_core/include/wf.hrl").
+-include("cms.hrl").
 
 %% Don't remove! This is is used to install your Mnesia DB backend  from CLI tool
 install([])-> % {{{1
     ?CREATE_TABLE(cms_settings, set, []),
     ?CREATE_TABLE(cms_mfa, bag, []),
     ?CREATE_TABLE(cms_template, set, []),
-    ?CREATE_TABLE(cms_asset, bag, [type, name]),
+    ?CREATE_TABLE(cms_asset, bag, [type, name, file]),
     ?CREATE_TABLE(cms_page, set, []),
     ?CREATE_TABLE(cms_user, set, []),
     ?CREATE_TABLE(cms_role, set, []),
     ?CREATE_TABLE(cms_form, set, []),
+    ?CREATE_TABLE(cms_language, set, []),
     {ok, VSN} = application:get_key(nitrogen, vsn),
     DataModules = common:module_by_function({default_data, 0}),
     mnesia:transaction(
@@ -39,7 +41,6 @@ install([])-> % {{{1
                 (M):default_data()) ||
                M <- DataModules]
       end).
-
 %% Don't remove! This is is used to update your Mnesia DB backend  from CLI tool
 update([]) -> % {{{1
     {ok, VSN} = application:get_key(nitrogen, vsn),
@@ -49,6 +50,7 @@ update([]) -> % {{{1
             update(VSN)
     end;
 update("0.1.0"=VSN) -> % {{{1
+    ?CREATE_TABLE(cms_settings, set, []),
     transaction(fun() ->
                         A = mnesia:match_object(#cms_mfa{mfa={index, maybe_redirect_to_login, '_'}, _ = '_'}),
                         B = mnesia:match_object(#cms_mfa{mfa={index, maybe_change_module, '_'}, _ = '_'}),
@@ -65,12 +67,14 @@ update("0.1.0"=VSN) -> % {{{1
                                      end, record_info(fields, cms_user)),
     mnesia:dirty_write(#cms_settings{key=vsn, value=VSN});
 update("0.1.1"=VSN) -> % {{{1
+    ?CREATE_TABLE(cms_settings, set, []),
     mnesia:backup("mnesia.lcms"),
     mnesia:delete_table(cms_user),
     ?CREATE_TABLE(cms_user, set, []),
     mnesia:restore("mnesia.lcms", []),
     mnesia:dirty_write(#cms_settings{key=vsn, value=VSN});
 update("0.1.2"=VSN) -> % {{{1
+    ?CREATE_TABLE(cms_settings, set, []),
     CT = calendar:universal_time(),
     mnesia:transform_table(cms_mfa, fun({cms_mfa, Id,Sort,M,S}) -> 
                                          #cms_mfa{
@@ -220,7 +224,7 @@ update("0.1.3"=VSN) -> % {{{1
     mnesia:dirty_write(#cms_settings{key=vsn, value=VSN});
 update("0.1.4"=VSN) -> % {{{1
     [AdminPage] = get_page("admin"),
-    db:save(AdminPage#cms_page{module=index, updated_at=calendar:universal_time()}),
+    save(AdminPage#cms_page{module=index, updated_at=calendar:universal_time()}),
 
     transaction(fun() ->
                         NavBarEvents = mnesia:match_object(#cms_mfa{id={"admin", '_'}, mfa={html5, link_event, '_'}, _='_'}),
@@ -237,7 +241,7 @@ update("0.1.4"=VSN) -> % {{{1
     mnesia:dirty_write(#cms_settings{key=vsn, value=VSN});
 update("1.0.0"=VSN) -> 
     ?CREATE_TABLE(cms_form, set, []),
-    transaction(fun() -> % {{{1 :  replace commmon -> html5
+    transaction(fun() -> % {{{2 :  replace commmon -> html5
                         Replaced_items = [list, list_item, link_url, link_event, block], 
                         lists:foreach(
                           fun(Replaced) ->
@@ -247,7 +251,6 @@ update("1.0.0"=VSN) ->
                                                                         updated_at=calendar:universal_time()},
                                                   mnesia:delete_object(MFA),
                                                   mnesia:write(New_mfa)
-                                                  % io:format("~nReplace ~p to ~p",[MFA, New_mfa])
                                           end,
                                           Common_elements)
                           end,
@@ -291,7 +294,6 @@ update("1.0.0"=VSN) ->
                                                     updated_at=calendar:universal_time()},
                               mnesia:delete_object(MFA),
                               mnesia:write(New_mfa)
-                              % ,io:format("~nReplace ~p to ~p",[MFA, New_mfa])
                             end,
                             ReplElements)
           end,
@@ -301,26 +303,224 @@ update("1.0.0"=VSN) ->
 update("1.0.1"=VSN) -> % {{{1 : add social-btn images
     admin:get_social_files("static/images"),
     mnesia:dirty_write(#cms_settings{key=vsn, value=VSN});
+update("1.0.2"=VSN) -> % {{{1 : add sitemap column for cms_page table
+    CurTime = calendar:universal_time(),
+    mnesia:transform_table(cms_page, fun({cms_page, Id,D,M,Ar,T,CT,_UT,A,S}) -> 
+                                         #cms_page{
+                                            id=Id,
+                                            description=D,
+                                            module=M,
+                                            accepted_role=Ar,
+                                            title=T,
+                                            settings=S,
+                                            created_at=CT,
+                                            updated_at=CurTime,
+                                            active=A,
+                                            sitemap=never
+                                           }
+                                    end, record_info(fields, cms_page)),
+    mnesia:dirty_write(#cms_settings{key=vsn, value=VSN});
+update("1.0.3"=VSN) -> % {{{1 update submit button
+    transaction(
+      fun() -> 
+        ReplElements = mnesia:match_object(#cms_mfa{mfa={emailform,submit, ['_','_','_']}, _='_'}),
+        lists:foreach(fun(#cms_mfa{mfa={M, F, [Block, Email, Classes]}}=MFA) ->
+                        New_mfa = MFA#cms_mfa{mfa={M, F, [Block, Email, false, [], Classes]},
+                                              updated_at=calendar:universal_time()},
+                        mnesia:delete_object(MFA),
+                        mnesia:write(New_mfa)
+                      end,
+                      ReplElements)
+      end),
+    mnesia:dirty_write(#cms_settings{key=vsn, value=VSN});
+update("1.0.4"=VSN) ->  % {{{1
+%% update filter for Translation; create language table and fill it
+    transaction(
+      fun() -> 
+        ReplElements = mnesia:match_object(#cms_mfa{settings=#{filters => ['_','_','_']}, _='_'}),
+        ?LOG("~nUpdate 1.0.4: ~p blocks ", [length(ReplElements)]),
+        lists:foreach(fun(#cms_mfa{settings=#{filters :=  [K,V,R]}}=Item) ->
+                        New_item = Item#cms_mfa{settings=#{filters => [K,V,R,[]]},
+                                              updated_at=calendar:universal_time()},
+                        mnesia:delete_object(Item),
+                        mnesia:write(New_item)
+                      end,
+                      ReplElements)
+      end),
+    ?CREATE_TABLE(cms_language, set, []),
+    Languages_flags = ["flag_en.png","flag_ru.png"],
+    Path = "images",
+    lists:foreach(fun(Flag_name) ->
+                     Asset=admin:file_to_asset(Flag_name, Path),
+                     save(Asset)
+                  end,
+                  Languages_flags),
+    AddLangBtn = #{cms_mfa => [admin:add_navbar_button("admin", "sidebar-nav", "languages",
+      {{"fa", "globe", ["fab"]}, "Languages"}, {event, ?POSTBACK({admin, languages, show}, admin)})]},
+    mnesia:transaction(
+      fun() ->
+        [maps:map(
+           fun(_K, V) ->
+                   lists:foreach(
+                     fun(#cms_mfa{}=R) ->
+                             mnesia:write(
+                               fix_sort(
+                                 update_timestamps(R)));
+                        (R) ->
+                             mnesia:write(
+                                 update_timestamps(R))
+                     end,
+                     lists:flatten(V))
+           end,
+          AddLangBtn )]
+      end),
+    admin:add_language("ru","flag_ru.png",true),
+    admin:add_language("en","flag_en.png",false),
+    admin:add_language("any","",false),
+    mnesia:dirty_write(#cms_settings{key=vsn, value=VSN});
+update("1.0.5"=VSN) -> % update classes for admin elements % {{{1
+    mnesia:transaction(
+      fun() -> 
+        % 1) classes: nav-second-level","collapse" ++ "dropdown-menu
+        case mnesia:match_object(#cms_mfa{id={"admin",'_'}, 
+                                  mfa={'_','_',['_',["nav-second-level","collapse"]]},
+                                  _='_'}) of
+            []-> ok;
+            L when is_list(L), length(L) > 1 ->
+                lists:foreach(fun(#cms_mfa{mfa={M,F,[HtmlId,["nav-second-level","collapse"]=Classes]}}=MFA) ->
+                                NewClasses=lists:append(Classes,["dropdown-menu"]),
+                                New_mfa = MFA#cms_mfa{mfa={M, F, [HtmlId,NewClasses]},
+                                                      updated_at=calendar:universal_time()},
+                                mnesia:delete_object(MFA),
+                                mnesia:write(New_mfa)
+                              end, L)
+        end,
+        % 2) "arrow" class -> "arrow-right" 
+        case mnesia:match_object(#cms_mfa{id={"admin",'_'}, 
+                                  mfa={common,icon,['_','_',["arrow"]]},
+                                  _='_'}) of
+            []-> ok;
+            L2 when is_list(L2), length(L2) > 1 ->
+                lists:foreach(fun(#cms_mfa{mfa={M,F,[Cl1,Cl2,["arrow"]]}}=MFA) ->
+                                NewCl3=["arrow-right"],
+                                New_mfa = MFA#cms_mfa{mfa={M, F, [Cl1,Cl2,NewCl3]},
+                                                      updated_at=calendar:universal_time()},
+                                mnesia:delete_object(MFA),
+                                mnesia:write(New_mfa)
+                              end, L2)
+        end,
+        case mnesia:match_object(#cms_asset{id=["js","metisMenu"],
+                                  file="css/metisMenu.min.js", _='_'}) of
+              [] -> ok;
+              [I] when length([I]) == 1 ->
+                full_delete(I)
+        end
+      end),
+    mnesia:dirty_write(#cms_settings{key=vsn, value=VSN});
+update("1.0.6"=VSN) -> % added google tags element % {{{1
+  TemplatePath="templates/analytics/google_tags.html",
+  admin:add_template(TemplatePath, "Google tags", TemplatePath, []),
+  mnesia:dirty_write(#cms_settings{key=vsn, value=VSN});
+update("1.0.7"=VSN) -> % buttons managing db to Pages menu % {{{1
+  ManageDbBtns = #{
+    cms_mfa => [
+      admin:add_navbar_button("admin", "pages-menu", "pages-import",
+        {{"fa", "upload", []}, "Import Pages"}, {event, ?POSTBACK({admin, pages, import}, admin)}),
+      admin:add_navbar_button("admin", "pages-menu", "pages-export",
+        {{"fa", "download", []}, "Export Pages"}, {event, ?POSTBACK({admin, pages, export}, admin)}),
+      admin:add_navbar_button("admin", "pages-menu", "pages-merge",
+        {{"fa", "code-fork", []}, "Merge Pages"}, {event, ?POSTBACK({admin, pages, merge}, admin)}),
+      admin:add_navbar_button("admin", "pages-menu", "db-defragment",
+        {{"fa", "th-large", []}, "Defragment db"}, {event, ?POSTBACK({admin, db, defragment}, admin)}),
+      admin:add_navbar_button("admin", "pages-menu", "db-clean",
+        {{"fa", "trash", []}, "Clear db trash"}, {event, ?POSTBACK({admin, db, clean}, admin)})
+    ]},
+    mnesia:transaction(
+      fun() ->
+        [maps:map(
+           fun(_K, V) ->
+                   lists:foreach(
+                     fun(#cms_mfa{}=R) ->
+                             mnesia:write(
+                               fix_sort(
+                                 update_timestamps(R)));
+                        (R) ->
+                             mnesia:write(
+                                 update_timestamps(R))
+                     end,
+                     lists:flatten(V))
+           end,
+          ManageDbBtns )]
+      end),
+  mnesia:dirty_write(#cms_settings{key=vsn, value=VSN});
+update("2.0.0"=VSN) -> % admin: added tree of blocks % {{{1
+  TreeAssets=[
+    #cms_asset{
+              id=["js","bootstrap-treeview"],
+              name="bootstrap-treeview",
+              description="treeview",
+              file="js/bootstrap-treeview.min.js",
+              minified=true,
+              type=script,
+              active=true
+             },
+    #cms_asset{
+              id=["css","bootstrap-treeview"],
+              name="bootstrap-treeview",
+              description="treeview",
+              file="css/bootstrap-treeview.min.css",
+              minified=true,
+              type=css,
+              active=true
+             }
+  ],
+  lists:foreach(
+    fun(Asset)->
+      save(Asset)
+    end, TreeAssets
+  ),
+  TreeStaticBlocks=[
+    #cms_mfa{id={"admin", "css"}, mfa={common, asset, [["css", "bootstrap-treeview"]]}},
+    #cms_mfa{id={"admin", "script"}, mfa={common, asset, [["js", "bootstrap-treeview"]]}}
+  ],
+  [ save(fix_sort(update_timestamps(B))) || B <- TreeStaticBlocks],
+  ?LOG("~nUpdated to 2.0.0", []),
+  mnesia:dirty_write(#cms_settings{key=vsn, value=VSN});
+update("2.0.1"=VSN) -> % added index to cms_asset.file
+    mnesia:add_table_index(cms_asset, file),
+    mnesia:dirty_write(#cms_settings{key=vsn, value=VSN});
+update("2.0.2"=VSN) -> % update old panels
+    mnesia:transaction(
+      fun() -> 
+        case mnesia:match_object(#cms_mfa{ 
+                                  mfa={bootstrap,panel,['_','_','_','_','_']},
+                                  _='_'}) of
+            []-> ok;
+            L ->
+                lists:foreach(fun(#cms_mfa{mfa={M,F,[PH,PB,PA,PF,Classes]}}=MFA) ->
+                                New_mfa = MFA#cms_mfa{mfa={M, F, [PH,PB,PA,PF,"","","","",Classes,[]]}},
+                                mnesia:delete_object(MFA),
+                                save(New_mfa)
+                              end, L)
+        end
+      end),
+    mnesia:dirty_write(#cms_settings{key=vsn, value=VSN});
 update("fix_sort") -> % {{{1
     F = fun() ->
       FoldFun = 
           fun(#cms_mfa{id=ID, sort=Sort, mfa=Mfa}, _Acc) ->
-                  case mnesia:match_object(#cms_mfa{id=ID, sort=Sort, _='_'}) of
-                      [] ->
-                          ok;
+                  case mnesia:match_object(#cms_mfa{id=ID, sort=Sort, active=true, _='_'}) of
                       L when is_list(L), length(L) > 1 ->
                           [
                           if Cur_mfa#cms_mfa.mfa /= Mfa ->
-                            New_sort = Sort -1 + string:str(L, [Cur_mfa]),
-                            %io:format("~nold_sort ~p,new_sort: ~p", [Sort, New_sort]),
-                            New_mfa = update_record_field(Cur_mfa, sort, New_sort),
-                            %io:format("~nupdate [~p]~p", [Sort, New_mfa]),
+                            Max_sort=find_max_sort(ID),
+                            New_mfa = update_record_field(Cur_mfa, sort, Max_sort+1),
                             mnesia:delete_object(Cur_mfa),
-                            mnesia:write(New_mfa);
+                            save(New_mfa);
                           true -> ok
-                          end                          
-                          || Cur_mfa <- L, Cur_mfa#cms_mfa.sort == Sort, Cur_mfa#cms_mfa.id == ID];
-                      _Else -> ok
+                          end                  
+                          || Cur_mfa <- L]; % , Cur_mfa#cms_mfa.sort == Sort, Cur_mfa#cms_mfa.id == ID
+                      _ -> ok
                   end,
               ok
           end,
@@ -411,23 +611,32 @@ read(Table, Id) -> % {{{1
     read(Table, [Id]).
 
 get_mfa(Page, Block) -> % {{{1
+%% @doc "return records list of blocks with id={Page, Block}"
     get_mfa(Page, Block, false).
 get_mfa(Page, Block, Replaced) -> % {{{1 
-    Funs = transaction(fun() ->
-                        G = mnesia:read(cms_mfa, {"*", Block}),
-                        T = mnesia:read(cms_mfa, {Page, Block}),
-                        lists:filter(fun(#cms_mfa{sort=S}) -> 
-                                             not lists:keymember(S, #cms_mfa.sort, T)
-                                             end, G) ++ 
-                        case Replaced of
-                            true ->
-                                [TE || #cms_mfa{active=Active}=TE <- T, Active == true];
-                            _ ->
-                                [TE || #cms_mfa{mfa=MFA, active=Active}=TE <- T, MFA /= undefined, Active == true]
-                        end
-                            
-                end),
-    % io:format("~nget_mfa ~p",[lists:keysort(#cms_mfa.sort, Funs)]),
+%% @doc "-||- maybe replaced from Page if it has dublicate from {"*", Block} "
+    get_mfa(Page, Block, Replaced, false).
+get_mfa(Page, Block, Replaced, WithSubBlocks) -> % {{{1 
+%% @doc "-||- maybe with subblocks"
+    Funs = transaction(
+      fun() ->
+        G = mnesia:match_object(#cms_mfa{id={"*", Block}, active=true, _='_'}),
+        T = mnesia:match_object(#cms_mfa{id={Page, Block}, active=true, _='_'}),
+        Subblocks=case WithSubBlocks of 
+          true -> mnesia:match_object(#cms_mfa{id={Page, Block++"/link"}, active=true, _='_'})++
+                  mnesia:match_object(#cms_mfa{id={Page, Block++"/validate"}, active=true, _='_'});
+          false -> []
+        end,
+        lists:filter(fun(#cms_mfa{sort=S}) -> 
+                             not lists:keymember(S, #cms_mfa.sort, T)
+                             end, G) ++ Subblocks ++
+        case Replaced of
+            true ->
+                [TE || TE <- T];
+            _ ->
+                [TE || #cms_mfa{mfa=MFA}=TE <- T, MFA /= undefined]
+        end
+      end),
     lists:keysort(#cms_mfa.sort, Funs).
 get_all_blocks(PID) -> % {{{1
     Blocks = transaction(fun() ->
@@ -441,29 +650,89 @@ get_all_blocks(PID) -> % {{{1
                                   ]
                                 )
                          end),
-    % io:format("~n_block~p",[sets:from_list(Blocks)]),
     sets:to_list(sets:from_list(Blocks)).
-get_parent_block(PID, BID) -> % {{{1
-    transaction(fun() ->
-                        P1=mnesia:match_object(#cms_mfa{id={PID,'_'},mfa={'_','_',[BID,'_']}, active=true, _='_'}),
-                        P2=mnesia:match_object(#cms_mfa{id={PID,'_'},mfa={'_','_',[BID,'_','_']}, active=true, _='_'}),
-                        P3=mnesia:match_object(#cms_mfa{id={PID,'_'},mfa={'_','_',[BID,'_','_','_']}, active=true, _='_'}),
-                        P4=mnesia:match_object(#cms_mfa{id={PID,'_'},mfa={'_','_',[BID,'_','_','_','_']}, active=true, _='_'}),
-                        P5=mnesia:match_object(#cms_mfa{id={PID,'_'},mfa={'_','_',[BID,'_','_','_','_','_']}, active=true, _='_'}),
-                        P12=lists:append(P1,P2),
-                        P34=lists:append(P3,P4),
-                        P35=lists:append(P34,P5),
-                        P=lists:append(P12,P35),
-                        case P of
-                          L when is_list(L), length(L) > 1 ->
-                              length(L);
-                          [I] ->  
-                                  {_, ParentID}=I#cms_mfa.id,
-                                  ParentID;
-                          
-                          _  ->  undefined
-                        end
-                end).
+get_parent_block(PID, BID, ActionOrBlock) -> % {{{1
+%% @doc "Return parent BlockId if it exists; unactive block without parent"
+  transaction(fun() ->
+    P1=mnesia:match_object(#cms_mfa{id={PID,'_'},mfa={'_','_',[BID,'_']}, active=true, _='_'}),
+    P = 
+    case P1 of 
+      [] ->
+        P2=mnesia:match_object(#cms_mfa{id={PID,'_'},mfa={'_','_',[BID,'_','_']}, active=true, _='_'}),
+        case P2 of 
+          [] -> P3=mnesia:match_object(#cms_mfa{id={PID,'_'},mfa={'_','_',[BID,'_','_','_']}, active=true, _='_'}),
+            case P3 of 
+              [] -> P4=mnesia:match_object(#cms_mfa{id={PID,'_'},mfa={'_','_',[BID,'_','_','_','_']}, active=true, _='_'}),
+                case P4 of 
+                  [] -> P5=mnesia:match_object(#cms_mfa{id={PID,'_'},mfa={'_','_',[BID,'_','_','_','_','_']}, active=true, _='_'}),
+                    case P5 of 
+                      [] -> AB=mnesia:match_object(#cms_mfa{id={PID,'_'},mfa={html5,article,['_',BID,'_','_','_']}, active=true, _='_'}),
+                        case AB of 
+                          [] -> AF=mnesia:match_object(#cms_mfa{id={PID,'_'},mfa={html5,article,['_','_',BID,'_','_']}, active=true, _='_'}),
+                            case AF of 
+                              [] -> MT=mnesia:match_object(#cms_mfa{id={PID,'_'},mfa={bootstrap,modal,['_',BID,'_','_','_','_']}, active=true, _='_'}),
+                              case MT of
+                                [] -> MB=mnesia:match_object(#cms_mfa{id={PID,'_'},mfa={bootstrap,modal,['_','_',BID,'_','_','_']}, active=true, _='_'}),
+                                case MB of
+                                  [] -> MF=mnesia:match_object(#cms_mfa{id={PID,'_'},mfa={bootstrap,modal,['_','_','_',BID,'_','_']}, active=true, _='_'}),
+                                  case MF of
+                                    [] -> PB=mnesia:match_object(#cms_mfa{id={PID,'_'},mfa={bootstrap,panel,['_',BID,'_','_','_','_','_','_','_','_']}, active=true, _='_'}),
+                                    case PB of 
+                                      [] -> PH=mnesia:match_object(#cms_mfa{id={PID,'_'},mfa={bootstrap,panel,[BID,'_','_','_','_','_','_','_','_','_']}, active=true, _='_'}),
+                                      case PH of 
+                                        [] -> PA=mnesia:match_object(#cms_mfa{id={PID,'_'},mfa={bootstrap,panel,['_','_',BID,'_','_','_','_','_','_','_']}, active=true, _='_'}),
+                                          case PA of 
+                                            [] -> PF=mnesia:match_object(#cms_mfa{id={PID,'_'},mfa={bootstrap,panel,['_','_','_',BID,'_','_','_','_','_','_']}, active=true, _='_'}),
+                                            case PF of
+                                              [] -> P_Dp=mnesia:match_object(#cms_mfa{id={PID,'_'},mfa={bootstrap,dropdown,[BID]}, active=true, _='_'}),
+                                              case P_Dp of 
+                                                [] -> _P_Li=mnesia:match_object(#cms_mfa{id={PID,'_'},mfa={html5,list_item,[BID]}, active=true, _='_'});
+                                                _ -> P_Dp
+                                              end;
+                                              _ -> PF
+                                            end;
+                                            _ -> PA
+                                          end;
+                                          _ -> PH
+                                        end;
+                                        _ -> PB
+                                      end;
+                                        _ -> MF
+                                    end;
+                                    _ -> MB
+                                  end;
+                                  _ -> MT
+                                end;
+                                _ -> AF
+                              end;
+                          _ -> AB
+                        end;
+                      _ -> P5
+                    end;
+                  _ -> P4
+                end;
+              _ -> P3
+            end;
+          _ -> P2
+        end;
+      _ -> P1
+    end,
+      
+    case P of
+      L when is_list(L), length(L) > 1 ->
+          length(L);
+      [I] ->  
+              {_, ParentID}=I#cms_mfa.id,
+              ParentID;
+      
+      _  -> case ActionOrBlock of 
+              undefined -> undefined;
+              return_if_none -> {none, BID};
+              _Some -> delete(ActionOrBlock)
+            end
+
+    end
+  end).
 
 get_users() -> % {{{1
     transaction(fun() ->
@@ -509,12 +778,22 @@ get_forms() -> % {{{1
                         [record_to_map(A) || A <- Forms]
                 end).
 
+get_languages() -> % {{{1
+    transaction(fun() ->
+                        Langs = mnesia:match_object(#cms_language{_='_'}),
+                        [record_to_map(A) || A <- Langs]
+                end).
+get_language(Lid) -> % {{{1
+    transaction(fun() ->
+                        mnesia:match_object(#cms_language{id=Lid,_='_'})
+                end).
+
 fix_sort(Recs) when is_list(Recs) -> % {{{1
     [fix_sort(Rec) || Rec <- Recs];
 fix_sort(#cms_mfa{sort=new}=Rec) -> % {{{1
     fix_sort(Rec#cms_mfa{sort=1});
 fix_sort(#cms_mfa{id={PID, Block}, sort=Sort0}=Rec) -> % {{{1
-    Sort = case get_mfa(PID, Block) of
+    Sort = case get_mfa(PID, Block, true) of
                [] -> 0;
                MFAs ->
                    #cms_mfa{sort=S} = lists:last(
@@ -531,7 +810,6 @@ update(OldRecord, NewRecord) -> % {{{1
                 end).
 
 update(Record, Field, Value) -> % {{{1
-    % io:format("Db update: ~p~n", [Record]),
     transaction(fun() ->
                         mnesia:delete_object(Record),
                         R1 = update_record_field(Record, Field, Value),
@@ -543,7 +821,6 @@ update(Record, Field, Value) -> % {{{1
 copy_page(#{id := PID}= Map) -> % {{{1
     NewPID = "copy_" ++ PID,
     NewMap = maps:update(id, NewPID, Map),
-    %io:format("~nDb copy PID: ~p to ~p~n", [PID, NewPID]),
     update_map(NewMap),
     transaction(fun() ->
                     case mnesia:match_object(#cms_mfa{id={PID, '_'}, _='_'}) of
@@ -552,8 +829,8 @@ copy_page(#{id := PID}= Map) -> % {{{1
                         L -> 
                             lists:foreach(fun(#cms_mfa{id={_, Block}}=DbItem) ->
                                 NewDbItem = update_record_field(DbItem, id, {NewPID, Block}),
-                                % io:format("~nCopy NewDbItem: ~p~n", [NewDbItem]),
-                                mnesia:write(NewDbItem)
+                                UR = update_record_field(NewDbItem, updated_at, calendar:universal_time()),
+                                mnesia:write(UR)
                                 end, L)
                     end
                 end).
@@ -562,12 +839,23 @@ update_map(Map) -> % {{{1
     update_map(Map, fun fields/1).
     
 update_map(Map, FieldsFun) -> % {{{1
-    io:format("~nDb update_map:", []),
     save(map_to_record(Map, FieldsFun)).
 
+update_language(#{id := Id, icon:= Icon, default:=Default}) -> % {{{1
+    transaction(
+      fun() ->
+        case mnesia:match_object(#cms_language{id=Id, _='_'}) of
+          [] -> ok;
+          [DbItem] ->  
+            NewDbItem1 = update_record_field(DbItem, icon, Icon),
+            NewDbItem2 = update_record_field(NewDbItem1, default, Default),
+            mnesia:delete_object(DbItem),
+            mnesia:write(NewDbItem2)
+        end
+      end).
+
 rename_page(#{id := NewPID, old_value := OldValue} = Map) ->  % {{{1
     update_map(Map),
-    %io:format("~nDb rename_page: ~p~n~p", [OldValue,Map]),
     transaction(fun() ->
                     case mnesia:match_object(#cms_mfa{id={OldValue, '_'}, _='_'}) of
                         [] ->
@@ -575,13 +863,11 @@ rename_page(#{id := NewPID, old_value := OldValue} = Map) ->  % {{{1
                         L -> 
                             lists:foreach(fun(#cms_mfa{id={_, Block}}=DbItem) ->
                                 NewDbItem = update_record_field(DbItem, id, {NewPID, Block}),
-                                % io:format("~nCopy NewDbItem: ~p~n", [NewDbItem]),
                                 mnesia:write(NewDbItem),
                                 mnesia:delete_object(DbItem)
                                 end, L)
                     end,
                     OldPages = mnesia:match_object(#cms_page{id=OldValue, _='_'}),
-                    % io:format("~ndelete_object: ~p", [OldPage ]),
                     [mnesia:delete_object(O) || O <- OldPages]
                 end).
                         
@@ -608,11 +894,23 @@ save(Record0) -> % {{{1
                         Record
                 end).
 
+maybe_save(Assets) when is_list(Assets) -> % {{{1
+    lists:foreach(fun(A) -> maybe_save(A) end, Assets);
+maybe_save(#cms_asset{file=Path}=Asset) -> % {{{1
+    transaction(fun() ->
+                        case mnesia:index_read(cms_asset, Path, #cms_asset.file) of
+                            [] -> mnesia:write(Asset);
+                            _ -> ok
+                        end
+                end).
 maybe_delete(#cms_mfa{id={PID, Block}, sort=Sort}) -> % {{{1
     transaction(fun() ->
                         case mnesia:match_object(#cms_mfa{id={PID, Block}, sort=Sort, active=true, _='_'}) of
                             [] ->
-                                mnesia:write(empty_mfa(PID, Block, Sort));
+                                case Sort of
+                                  new -> [];
+                                  _ -> mnesia:write(empty_mfa(PID, Block, Sort))
+                                end;
                             L when is_list(L) -> 
                               lists:foreach(fun(DbItem) ->
                                 UR = update_record_field(DbItem, updated_at, calendar:universal_time()),
@@ -638,23 +936,19 @@ maybe_update(#cms_mfa{id={PID, Block}, sort=Sort}=B) -> % {{{1
 
 delete(#{}=Map) -> % {{{1
     delete(Map, fun fields/1);
-delete(#cms_page{id=PID}=Record) -> % {{{1
+delete(#cms_page{id=PID}=Record) ->
             transaction(fun() ->
-                        case mnesia:match_object(#cms_mfa{id={PID, '_'}, _='_'}) of
+                        case mnesia:match_object(#cms_mfa{id={PID, _Block='_'}, _='_'}) of
                             [] ->
                                 ok;
                             L when is_list(L) -> 
-                                lists:foreach(fun(DbItem) ->
-                                  UR = update_record_field(DbItem, updated_at, calendar:universal_time()),
-                                  DR = update_record_field(UR, active, false),
-                                  mnesia:delete_object(DbItem),
-                                  mnesia:write(DR)
-                                  end, L)
-                                % [mnesia:delete_object(B1) || B1 <- L] % full_delete
+                            %     lists:foreach(fun(DbItem) ->
+                            %       delete(DbItem)
+                            %       end, L)
+                                [full_delete(B1) || B1 <- L] % full_delete
                         end,
                         UP = update_record_field(Record, updated_at, calendar:universal_time()),
                         DP = update_record_field(UP, active, false),
-                        io:format("Deleted page: ~p:~n", [DP]),
                         mnesia:delete_object(Record),
                         mnesia:write(DP)
             end),
@@ -669,15 +963,21 @@ delete(Record) -> % {{{1
                         mnesia:delete_object(Record),
                         mnesia:write(DP)
                 end).
+
+%% For convenience in install and update process
+delete(#{}=Map, FieldsFun) -> % {{{1
+    delete(map_to_record(Map, FieldsFun)).
+
+%% Delete item from DB
+full_delete(#{}=Map) -> % {{{1
+    full_delete_map(Map, fun fields/1);
 full_delete(Record) -> % {{{1 
     io:format("~nFull_delete: ~p~n", [Record]),
     transaction(fun() ->
                         mnesia:delete_object(Record)
                 end).
-%% For convenience in install and update process
-delete(#{}=Map, FieldsFun) -> % {{{1
-    % io:format("~nDelete map: ~p~n", [Map]),
-    delete(map_to_record(Map, FieldsFun)).
+full_delete_map(#{}=Map, FieldsFun) -> % {{{1
+    full_delete(map_to_record(Map, FieldsFun)).
 
 verify_create_table({atomic, ok}) -> ok; % {{{1
 verify_create_table({aborted, {already_exists, _Table}}) -> ok. % {{{1
@@ -731,7 +1031,9 @@ fields(cms_role) -> % {{{1
 fields(cms_template) -> % {{{1
     record_info(fields, cms_template);
 fields(cms_form) -> % {{{1
-    record_info(fields, cms_form).
+    record_info(fields, cms_form);
+fields(cms_language) -> % {{{1
+    record_info(fields, cms_language).
 
 empty_mfa(PID, Block, Sort) -> % {{{1
     CT = calendar:universal_time(),
@@ -874,3 +1176,218 @@ update_timestamps(#cms_asset{}=Rec) -> % {{{1
 update_timestamps(#cms_template{}=Rec) -> % {{{1
     CT = calendar:universal_time(),
     Rec#cms_template{updated_at=CT}.
+
+datetime_tostr(Date) -> % {{{1
+    {{Year, Month, Day}, {Hour, Minute, Second}} = Date,
+    _StrTime = lists:flatten(io_lib:format("~4..0w-~2..0w-~2..0wT~2..0w:~2..0w:~2..0w+00:00",[Year,Month,Day,Hour,Minute,Second])).
+
+clear_page_by_id(PID)-> % {{{1
+  transaction(fun() -> 
+    Elements = mnesia:match_object(#cms_mfa{id={PID,'_'}, _='_'}),
+    lists:foreach(fun(MFA) ->
+                          full_delete(MFA)
+                  end, Elements)
+  end).
+
+%% get pages where sitemap is not none
+get_indexed_pages() -> % {{{1
+    transaction(fun() ->
+                      L = mnesia:match_object(#cms_page{active=true,  _='_'}),
+                      lists:filter(fun(#cms_page{sitemap=S}) -> 
+                                             S/=none
+                                        end, L)
+                end).
+
+remove_old_unused_blocks() -> % {{{1
+%% @doc "Remove blocks from db: if its have new analog block"
+  transaction(
+    fun() ->
+        Unactive = mnesia:match_object(#cms_mfa{active=false,  _='_'}),
+        lists:foreach(fun(#cms_mfa{id=Id,mfa={_M, _F, A}}=MbDelete) ->
+          Args = case A of
+            [BlockId] -> [BlockId];
+            [BlockId, _A2] ->  [BlockId, '_'];
+            [BlockId, _A2, _A3] -> [BlockId, '_', '_'];
+            [BlockId, _A2, _A3, _A4] -> [BlockId, '_', '_', '_'];
+            [BlockId, _A2, _A3, _A4, _A5] -> [BlockId, '_', '_', '_', '_'];
+            [BlockId, _A2, _A3, _A4, _A5, _A6] -> [BlockId, '_', '_', '_', '_', '_'];
+            [BlockId, _A2, _A3, _A4, _A5, _A6, _A7] -> [BlockId, '_', '_', '_', '_', '_', '_'];
+            [BlockId, _A2, _A3, _A4, _A5, _A6, _A7, _A8] -> [BlockId, '_', '_', '_', '_', '_', '_', '_'];
+            [BlockId, _A2, _A3, _A4, _A5, _A6, _A7, _A8, _A9] -> [BlockId, '_', '_', '_', '_', '_', '_', '_', '_'];
+            [BlockId, _A2, _A3, _A4, _A5, _A6, _A7, _A8, _A9, _A10] -> [BlockId, '_', '_', '_', '_', '_', '_', '_', '_', '_'];
+            _ -> A
+          end,
+          case mnesia:match_object(#cms_mfa{id=Id, active=true,mfa={'_', '_', Args},  _='_'}) of
+            [] ->
+                undefined;
+            _Item -> 
+                full_delete(MbDelete)
+          end
+        end, Unactive)
+    end
+  ),
+  wf:wire(#alert{ text="Trash was cleared!"}).
+
+remove_blocks_without_parent() -> % {{{1
+%% @doc "Unactive all blocks if its havent parent"
+  transaction(
+      fun() ->
+        AllBlocks = mnesia:match_object(#cms_mfa{_ = '_', active=true}),
+        Exclude_blocks = [css,body,page,router,script],
+        Exclude_pages = [admin,login,restore,register],
+        lists:foreach(fun(#cms_mfa{id={PID,BID}}=Block) ->
+          NotSubblock= 
+            case re:run(BID,"^\\+|\\/",[global]) of
+              nomatch -> true;
+              _ -> false
+            end,
+          Condition = not lists:member(wf:to_atom(BID), Exclude_blocks) and NotSubblock
+            and not lists:member(wf:to_atom(PID), Exclude_pages),
+          case Condition of
+            false -> undefined;
+            _-> get_parent_block(PID,BID,Block)
+            
+          end
+        end, AllBlocks)
+      end
+  ),
+  wf:wire(#alert{ text="Database was defragmented!"}). 
+
+get_blocks_without_parent(PID) -> % {{{1
+%% @doc "Return list of block names which havent parent"
+  AllBlocks = transaction(
+      fun() ->
+        PageBlocks=mnesia:match_object(
+                #cms_mfa{id={PID,'_'},
+                         active=true,
+                         _='_'}
+        ),
+        case PID of
+            "*" -> PageBlocks;
+            _->
+              GlobalBlocks=mnesia:match_object(
+                #cms_mfa{id={"*",'_'},
+                         active=true,
+                         _='_'}
+              ),
+              
+              FGb=lists:filter(
+                fun(#cms_mfa{id={_,Bid}, sort=S}) -> 
+                  case mnesia:match_object(#cms_mfa{id={PID,Bid},sort=S,active=true,_='_'}) of
+                    [] -> true;
+                    _ -> ?LOG("  Replaced block: {\"*\",~p},sort=~p on Page:~p", [Bid,S,PID]),
+                        false
+                  end
+                end, GlobalBlocks),
+              FGb ++ PageBlocks
+        end
+      end
+  ),
+  ListBlocks=lists:filtermap(
+          fun(#cms_mfa{id={PID0,Bid0}}) ->
+            BID=case re:run(Bid0, "(\\S+)/(link|validate)$") of
+                    {match,[{_,_},{StartPos,Len},{_,_}]} ->
+                      string:substr(Bid0, StartPos+1, Len);
+                    nomatch -> Bid0
+                  end,
+            case get_parent_block(PID0,BID,return_if_none) of
+              {none, BID} -> {true,BID};
+              _-> false
+            end
+          end, AllBlocks),
+  ListWithBody=lists:append(["body"],ListBlocks),
+  Set = sets:from_list(ListWithBody),
+  sets:to_list(Set).
+
+find_max_sort({PID,Block}) -> % {{{1
+%% @doc "return max sort among choosen id of cms_mfa"
+  transaction(
+    fun() ->
+      Blocks=mnesia:match_object(#cms_mfa{id={PID,Block},active=true, _='_'}),
+      Sorts=[S || #cms_mfa{sort=S} <-Blocks],
+      _Max_sort = lists:max(Sorts)
+    end
+  ).
+
+update_children(PID, NewBlockId, OldBlockId) -> % {{{1
+%% @doc "update children of Block by old Block Id"
+  if (NewBlockId/=undefined) and (OldBlockId/=undefined) ->
+    transaction(
+      fun() ->
+        OldChldrenBlocks=mnesia:match_object(#cms_mfa{id={PID,OldBlockId},active=true, _='_'}),
+        lists:foreach(
+          fun(Block) ->
+              NewBlock=Block#cms_mfa{id={PID, NewBlockId},
+                                   updated_at=calendar:universal_time()},
+              full_delete(Block),
+              mnesia:write(NewBlock)
+          end, 
+        OldChldrenBlocks)
+      end
+    );
+  true->ok
+  end.
+
+extract_mfa_block_name(#cms_mfa{mfa=MFA}) -> % {{{1
+%% @doc "extract block name from mfa if possible"
+  {_M,F,Args}=admin:parse_mfa_field(MFA),
+  Exclude_functions=[text,template,img,asset,undefined],
+  HasBlockName = is_list(Args) and (length(Args) > 0) and not lists:member(wf:to_atom(F), Exclude_functions),
+  case HasBlockName of
+    true  ->
+      case F of
+        panel ->
+          [_Ph,Pb|_]=Args,
+          Pb;
+        article ->
+          [_Ah,Ab|_]=Args,
+          Ab;
+        _ ->[H|_]=Args,
+            H
+      end;
+    _ -> undefined
+  end.
+
+remove_duplicates() -> % {{{1
+%% @doc "full_delete oldest blocks with the same Id and Sort"
+  F = fun() ->
+    FoldFun = 
+      fun(#cms_mfa{id=ID, sort=Sort, mfa=Mfa, updated_at=Upd}, _Acc) ->
+        case mnesia:match_object(#cms_mfa{id=ID, sort=Sort, _='_'}) of
+            L when is_list(L), length(L) > 1 ->
+                [
+                if (Cur_mfa#cms_mfa.mfa == Mfa) and (Cur_mfa#cms_mfa.updated_at<Upd) ->
+                  mnesia:delete_object(Cur_mfa);
+                true -> ok
+                end                  
+                || Cur_mfa <- L]; 
+            _ -> ok
+        end,
+        ok
+      end,
+    mnesia:foldl(FoldFun, ok, cms_mfa)
+  end,
+  mnesia:transaction(F).
+
+get_block_from_db(PID, Block, Sort) -> % {{{1
+  transaction(
+    fun() ->
+      case mnesia:match_object(#cms_mfa{id={PID, Block}, sort=Sort, active=true, _='_'}) of
+        [] ->
+          undefined;
+        [DbItem] -> 
+          DbItem;
+        L when is_list(L), length(L) > 1 ->
+          lists:foreach(
+            fun(Cur_mfa) ->
+                Max_sort=find_max_sort({PID, Block}),
+                New_mfa = update_record_field(Cur_mfa, sort, Max_sort+1),
+                mnesia:delete_object(Cur_mfa),
+                save(New_mfa)
+              end, 
+            L),
+          get_block_from_db(PID, Block, Sort);
+        _ -> 
+          undefined
+      end
+    end).
diff --git a/src/elements/element_crud.erl b/src/elements/element_crud.erl
index bfaef86..81e0892 100644
--- a/src/elements/element_crud.erl
+++ b/src/elements/element_crud.erl
@@ -188,7 +188,6 @@ event({update=Fun, Rec, Data, Field, ElementId, OldValue}) -> % {{{1
 event({show, Rec}=_E) -> % {{{1
     wf:replace(Rec#crud.id, Rec);
 event({Fun, Rec, Data}=_E) -> % {{{1
-    % io:format("Event: ~p~n", [E]),
     call(Fun, Rec, Data),
     wf:replace(Rec#crud.id, Rec);
 event(Ev) -> % {{{1
@@ -220,13 +219,10 @@ cast(Value, Old) when is_atom(Old) -> % {{{1
 cast(Value, Old) when is_list(Old) -> % {{{1
     wf:to_list(Value);
 cast(Value, Old) when is_binary(Old) -> % {{{1
-    wf:to_binary(Value);
+    unicode:characters_to_binary(Value);
 cast(Value, Old) when is_integer(Old) -> % {{{1
     wf:to_integer(Value);
 cast(Value, Type) -> % {{{1
     wf:warning("Can't cast ~p to ~p", [Value, Type]),
     Value.
 
-datetime_tostr(Date) ->
-    {{Year, Month, Day}, {Hour, Minute, Second}} = Date,
-    _StrTime = lists:flatten(io_lib:format("~4..0w-~2..0w-~2..0w ~2..0w:~2..0w:~2..0w",[Year,Month,Day,Hour,Minute,Second])).
diff --git a/src/index.erl b/src/index.erl
index f44ebbc..821f7fb 100644
--- a/src/index.erl
+++ b/src/index.erl
@@ -49,16 +49,16 @@ default_data() -> % {{{2
                                       {common, asset, [["js", "bootstrap"]]},
 
                                       {{common, asset, [["js", "hotkeys", "jquery"]]},
-                                       #{filters => ["", "", "editor"]}},
+                                       #{filters => ["", "", "editor", ""]}},
 
                                       {{common, asset, [["js", "bootstrap-wysiwyg"]]},
-                                       #{filters => ["", "", "editor"]}},
+                                       #{filters => ["", "", "editor", ""]}},
 
                                       {{common, asset, [["js", "hotkeys", "jquery"]]},
-                                       #{filters => ["", "", "admin"]}},
+                                       #{filters => ["", "", "admin", ""]}},
 
                                       {{common, asset, [["js", "bootstrap-wysiwyg"]]},
-                                       #{filters => ["", "", "admin"]}}
+                                       #{filters => ["", "", "admin", ""]}}
                                      ]),
 
                   %CSS
@@ -66,14 +66,15 @@ default_data() -> % {{{2
                                      [
                                       {common, asset, [["css", "jquery-ui"]]},
                                       {common, asset, [["css", "bootstrap"]]},
-                                      {common, asset, [["css", "font-awesome"]]}
+                                      {common, asset, [["css", "font-awesome"]]},
+                                      {common, asset, [["css", "style"]]}
                                      ]),
 
                   % Index page
                   admin:add_to_block({"index", "body"},
                                      [
                                       {{router, common_redirect, [[], "/?page=admin"]},
-                                       #{filters => ["", "", "admin"]}},
+                                       #{filters => ["", "", "admin", ""]}},
                                       {router, common_redirect, [[], "/?page=register"]}
                                      ]),
 
@@ -106,6 +107,39 @@ head(_Page) ->  % {{{2
 title(#cms_page{title=Title}) ->  % {{{2
     Title.
 
+%% Func to Define language for a page in header: check QS and Default db language  {{{1
+language(_Page) ->  % {{{2
+    QLang=wf:qs(lang),
+    Langs=db:get_languages(),
+    LangsList=[Id || #{id := Id} <- Langs, Id/="any"],
+    DefLangs=[Id || #{id := Id, default := D} <- Langs, D==true],
+    DefLang=case DefLangs of
+      [] -> undefined;
+      L -> lists:nth(1,L)
+    end,
+    case QLang of
+      [Elem] -> case lists:member(Elem, LangsList) of 
+                    true ->Elem;
+                    false -> DefLang
+                end;
+      _ -> DefLang
+    end.
+
+%% Make uri with choosen lang
+set_url_with_lang(URI,LangId) -> % {{{2
+  case re:run(URI,"lang=\\w+") of
+    {match,[{_S,_L}]} ->
+        re:replace(URI,"lang=\\w+","lang="++LangId,[{return,list}]);
+    _ -> case re:run(URI, "\\?\\w") of
+            {match,[{_S,_L}]} -> wf:f("~s&lang=~s",[URI, LangId]);
+            nomatch  ->
+              if (URI == []) or (URI == "") ->
+                "#";
+              true -> wf:f("~s?lang=~s",[URI, LangId])
+            end
+         end
+  end.
+
 body(Page) -> % {{{2
     wf:state(page, Page),
     maybe_add_editor(Page),
@@ -135,7 +169,8 @@ event(display_source_code) -> % {{{2
             })
     end;
 event(Ev) -> % {{{2
-    ?LOG("~p event ~p", [?MODULE, Ev]).
+    ?LOG("~p event ~p", [?MODULE, Ev]),
+    "".
 
 %% Block renderers {{{1
 maybe_block(_Page, "", _Classes) -> % {{{2
diff --git a/src/nitrogen.app.src b/src/nitrogen.app.src
index 9a8c904..32e3f72 100644
--- a/src/nitrogen.app.src
+++ b/src/nitrogen.app.src
@@ -1,7 +1,7 @@
 {application, nitrogen,
  [
   {description, "My Nitrogen Web Project"},
-  {vsn, "1.0.1"},
+  {vsn, "2.0.2"},
   {registered, []},
   {applications, [kernel, stdlib]},
   {mod, { nitrogen_app, []}},
diff --git a/src/nitrogen_sup.erl b/src/nitrogen_sup.erl
index d58f0b9..81134ca 100644
--- a/src/nitrogen_sup.erl
+++ b/src/nitrogen_sup.erl
@@ -22,9 +22,12 @@ start_link() ->
 %% ===================================================================
 
 init([]) ->
-    application:start(crypto),
-    application:start(nprocreg),
-    application:start(simple_bridge),
-    application:start(ct),
+    application:ensure_all_started(crypto),
+    application:ensure_all_started(nprocreg),
+    application:ensure_all_started(simple_bridge),
+    application:ensure_all_started(ct),
+    application:ensure_all_started(gen_smtpc),
+    application:ensure_all_started(inets),
+    application:ensure_all_started(ssl),
 
     {ok, { {one_for_one, 5, 10}, []} }.
diff --git a/src/smtp.erl b/src/smtp.erl
index e63a1cc..25c0382 100644
--- a/src/smtp.erl
+++ b/src/smtp.erl
@@ -20,11 +20,15 @@ send_forgot(Email, Passwd) ->  % {{{1
     send_html("no-reply@liquid-nitrogen.org", Email, "Password changed foraccount on liquid-nitrogen.org", Body3).
 
 send_html(From, To, Subject, Message) ->  % {{{1
+    send_html(From, To, Subject, Message, From).
+
+send_html(From, To, Subject, Message, Reply) ->  % {{{1
     Sendmail = open_port({spawn, "/usr/sbin/sendmail -t"}, []),
     MessageWithHeader = "From: " ++ From ++ "\n" ++
 	"To: " ++ To ++ "\n" ++
 	"MIME-Version: 1.0\n" ++
 	"Content-Type: text/html; charset=utf8\n" ++
+    "Reply-To: " ++ Reply ++ "\n" ++
 	"Subject: " ++ Subject ++ "\n\n" ++
 	Message ++ "\n\n", 
     Sendmail ! {self(), {command, MessageWithHeader}},
diff --git a/src/xml_handler.erl b/src/xml_handler.erl
new file mode 100644
index 0000000..3ea9a77
--- /dev/null
+++ b/src/xml_handler.erl
@@ -0,0 +1,11 @@
+-module(xml_handler).
+-compile(export_all).
+-include_lib("nitrogen_core/include/wf.hrl").
+
+
+handle(EntryFun) -> % {{{2
+  %% Return sitemap.xml
+
+  wf:content_type("text/xml"),
+  EntryFun().
+
diff --git a/static/css/admin.css b/static/css/admin.css
index a0790af..ae5bd05 100644
--- a/static/css/admin.css
+++ b/static/css/admin.css
@@ -13,7 +13,8 @@
 }
 
 .btn-upload {
-    margin-top: 20px;
+    margin-top: 10px;
+    margin-bottom: 10px;
 }
 
 .upload-content {
@@ -36,7 +37,7 @@
 
 #wysiwyg_editor {
     padding: 5px;
-    margin: 15px;
+    /*margin: 15px;*/
     border-radius: 5px;
     overflow-y: auto;
     height: 300px;
@@ -60,4 +61,109 @@
 #flash {
     width: fit-content;
     margin: auto;
+}
+
+.form-fields {
+    display: inline-block;
+    width: 128px;
+    margin-right: 5px;
+}
+
+.flex {
+    display: flex;
+}
+
+.right_manage_panel{
+    display: inline-block;
+    margin-top:2px;
+}
+
+.panel-format-btn{
+    position: absolute;
+    margin-top: -35px;
+    right: 5px;
+}
+
+.btn-logout {
+    position: absolute;
+    right: 5px;
+    top: 8px;
+}
+ul#sidebar-nav {
+    margin-right: 45px;
+    display: inline-block;
+}
+
+@media (max-width: 940px) and (min-width: 768px){
+    ul#sidebar-nav > li > a {
+        padding: 15px 7px;
+    }
+    ul#sidebar-nav > li > a > i:last-child  {
+        font-size: 10px;
+        /*display: none;*/
+    }
+    .navbar-header{
+        max-width: 190px;
+    }
+}
+
+@media screen and (max-width: 768px){
+    [class^='col-'] { 
+        padding-bottom: 5px;
+    }
+
+}
+
+.session-btn {
+    max-width: 150px;
+    overflow: hidden;
+    text-overflow: ellipsis;
+}
+.session-btn:hover{
+    max-width:unset;
+    display: inline-block;
+}
+.cs-label{
+    margin-left: 5px;
+}
+
+.wfid_modal_bottom_buttons{
+    padding-top:10px;
+}
+.wfid_modal_bottom_buttons input{
+    margin-left: 5px;
+}
+.wfid_edited_block{
+    margin-top: -45px;
+}
+.wfid_edited_block >div:first-child {
+    padding: 5px;
+    /*max-width: 48vw;*/
+    border: 1px solid #dddddd;
+    border-radius: 5px;
+    background-color: #f5f5f5; /*whitesmoke;*/
+}
+.wfid_edited_block textarea{
+    max-width: 47vw;
+}
+#tree, .h-70 {
+    max-height: 70vh;
+    overflow-y: auto;
+}
+
+@media screen and (max-height: 500px){
+    #tree{ 
+        max-height: 60vh;
+    }
+
+}
+a.not-tree:after{
+    content: " ...";
+}
+.sub-label {
+    font-size: 75%;
+    color: grey;
+}
+.container2 {
+    padding: 15px;
 }
\ No newline at end of file
diff --git a/static/css/bootstrap-treeview.min.css b/static/css/bootstrap-treeview.min.css
new file mode 100644
index 0000000..e6231f9
--- /dev/null
+++ b/static/css/bootstrap-treeview.min.css
@@ -0,0 +1,70 @@
+.tree, .tree ul {
+    margin:0;
+    padding:0;
+    list-style:none
+}
+.tree ul {
+    margin-left:1em;
+    position:relative
+}
+.tree ul ul {
+    margin-left:.5em
+}
+.tree ul:before {
+    content:"";
+    display:block;
+    width:0;
+    position:absolute;
+    top:0;
+    bottom:0;
+    left:0;
+    border-left:1px solid
+}
+.tree li {
+    margin:0;
+    padding:0 1em;
+    line-height:2em;
+    color:#369;
+    font-weight:700;
+    position:relative
+}
+.tree ul li:before {
+    content:"";
+    display:block;
+    width:10px;
+    height:0;
+    border-top:1px solid;
+    margin-top:-1px;
+    position:absolute;
+    top:1em;
+    left:0
+}
+.tree ul li:last-child:before {
+    background:#fff;
+    height:auto;
+    top:1em;
+    bottom:0
+}
+.indicator {
+    margin-right:5px;
+}
+.tree li a {
+    text-decoration: none;
+    color:#369;
+}
+.tree li button, .tree li button:active, .tree li button:focus {
+    text-decoration: none;
+    color:#369;
+    border:none;
+    background:transparent;
+    margin:0px 0px 0px 0px;
+    padding:0px 0px 0px 0px;
+    outline: 0;
+}
+.tree a.active {
+    background-color: lightgrey;
+    padding: 5px;
+}
+.tree i:hover{
+	cursor: pointer;
+}
\ No newline at end of file
diff --git a/static/css/bootstrap.css b/static/css/bootstrap.css
index 6167622..700f001 100755
--- a/static/css/bootstrap.css
+++ b/static/css/bootstrap.css
@@ -6755,3 +6755,50 @@ button.close {
   }
 }
 /*# sourceMappingURL=bootstrap.css.map */
+
+/*MANUAL Added:*/
+.dropdown-toggle::after {
+    display: inline-block;
+    width: 0;
+    height: 0;
+    margin-left: .255em;
+    vertical-align: .255em;
+    content: "";
+    border-top: .3em solid;
+    border-right: .3em solid transparent;
+    border-bottom: 0;
+    border-left: .3em solid transparent;
+
+}
+.dropdown-menu{
+    min-width: 80px;
+}
+.dropdown-item {
+    display: block;
+    width: 100%;
+    padding: .25rem 1.1rem;
+    clear: both;
+    font-weight: 400;
+    color: #212529;
+    text-align: inherit;
+    white-space: nowrap;
+    background-color: transparent;
+    border: 0;
+}
+
+.dropdown-item:hover, .dropdown-item:focus {
+  color: #16181b;
+  text-decoration: none;
+  background-color: #f8f9fa;
+}
+
+.dropdown-item.active, .dropdown-item:active {
+  color: #fff;
+  text-decoration: none;
+  background-color: #007bff;
+}
+
+.dropdown-item.disabled, .dropdown-item:disabled {
+  color: #6c757d;
+  background-color: transparent;
+}
\ No newline at end of file
diff --git a/static/css/bootstrap.min.css b/static/css/bootstrap.min.css
index ed3905e..8ffcf78 100755
--- a/static/css/bootstrap.min.css
+++ b/static/css/bootstrap.min.css
@@ -3,4 +3,50 @@
  * Copyright 2011-2016 Twitter, Inc.
  * Licensed under MIT (https://github.com/twbs/bootstrap/blob/master/LICENSE)
  *//*! normalize.css v3.0.3 | MIT License | github.com/necolas/normalize.css */html{font-family:sans-serif;-webkit-text-size-adjust:100%;-ms-text-size-adjust:100%}body{margin:0}article,aside,details,figcaption,figure,footer,header,hgroup,main,menu,nav,section,summary{display:block}audio,canvas,progress,video{display:inline-block;vertical-align:baseline}audio:not([controls]){display:none;height:0}[hidden],template{display:none}a{background-color:transparent}a:active,a:hover{outline:0}abbr[title]{border-bottom:1px dotted}b,strong{font-weight:700}dfn{font-style:italic}h1{margin:.67em 0;font-size:2em}mark{color:#000;background:#ff0}small{font-size:80%}sub,sup{position:relative;font-size:75%;line-height:0;vertical-align:baseline}sup{top:-.5em}sub{bottom:-.25em}img{border:0}svg:not(:root){overflow:hidden}figure{margin:1em 40px}hr{height:0;-webkit-box-sizing:content-box;-moz-box-sizing:content-box;box-sizing:content-box}pre{overflow:auto}code,kbd,pre,samp{font-family:monospace,monospace;font-size:1em}button,input,optgroup,select,textarea{margin:0;font:inherit;color:inherit}button{overflow:visible}button,select{text-transform:none}button,html input[type=button],input[type=reset],input[type=submit]{-webkit-appearance:button;cursor:pointer}button[disabled],html input[disabled]{cursor:default}button::-moz-focus-inner,input::-moz-focus-inner{padding:0;border:0}input{line-height:normal}input[type=checkbox],input[type=radio]{-webkit-box-sizing:border-box;-moz-box-sizing:border-box;box-sizing:border-box;padding:0}input[type=number]::-webkit-inner-spin-button,input[type=number]::-webkit-outer-spin-button{height:auto}input[type=search]{-webkit-box-sizing:content-box;-moz-box-sizing:content-box;box-sizing:content-box;-webkit-appearance:textfield}input[type=search]::-webkit-search-cancel-button,input[type=search]::-webkit-search-decoration{-webkit-appearance:none}fieldset{padding:.35em .625em .75em;margin:0 2px;border:1px solid silver}legend{padding:0;border:0}textarea{overflow:auto}optgroup{font-weight:700}table{border-spacing:0;border-collapse:collapse}td,th{padding:0}/*! 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-/*# sourceMappingURL=bootstrap.min.css.map */
\ No newline at end of file
+/*# sourceMappingURL=bootstrap.min.css.map */
+/*MANUAL Added:*/
+.dropdown-toggle::after {
+    display: inline-block;
+    width: 0;
+    height: 0;
+    margin-left: .255em;
+    vertical-align: .255em;
+    content: "";
+    border-top: .3em solid;
+    border-right: .3em solid transparent;
+    border-bottom: 0;
+    border-left: .3em solid transparent;
+
+}
+.dropdown-menu{
+    min-width: 80px;
+}
+.dropdown-item {
+    display: block;
+    width: 100%;
+    padding: .25rem 1.1rem;
+    clear: both;
+    font-weight: 400;
+    color: #212529;
+    text-align: inherit;
+    white-space: nowrap;
+    background-color: transparent;
+    border: 0;
+}
+
+.dropdown-item:hover, .dropdown-item:focus {
+  color: #16181b;
+  text-decoration: none;
+  background-color: #f8f9fa;
+}
+
+.dropdown-item.active, .dropdown-item:active {
+  color: #fff;
+  text-decoration: none;
+  background-color: #007bff;
+}
+
+.dropdown-item.disabled, .dropdown-item:disabled {
+  color: #6c757d;
+  background-color: transparent;
+}
\ No newline at end of file
diff --git a/static/css/metisMenu.min.css b/static/css/metisMenu.min.css
index a1d0ef3..3960ff2 100755
--- a/static/css/metisMenu.min.css
+++ b/static/css/metisMenu.min.css
@@ -1,10 +1,7 @@
-/*
- * metismenu - v1.1.3
- * Easy menu jQuery plugin for Twitter Bootstrap 3
- * https://github.com/onokumus/metisMenu
- *
- * Made by Osman Nuri Okumus
- * Under MIT License
- */
-
-.arrow{float:right;line-height:1.42857}.glyphicon.arrow:before{content:"\e079"}.active>a>.glyphicon.arrow:before{content:"\e114"}.fa.arrow:before{content:"\f104"}.active>a>.fa.arrow:before{content:"\f107"}.plus-times{float:right}.fa.plus-times:before{content:"\f067"}.active>a>.fa.plus-times{filter:progid:DXImageTransform.Microsoft.BasicImage(rotation=1);-webkit-transform:rotate(45deg);-moz-transform:rotate(45deg);-ms-transform:rotate(45deg);-o-transform:rotate(45deg);transform:rotate(45deg)}.plus-minus{float:right}.fa.plus-minus:before{content:"\f067"}.active>a>.fa.plus-minus:before{content:"\f068"}
\ No newline at end of file
+.arrow,.arrow-right{padding-left:2px;float:right;line-height:1.42857}.glyphicon.arrow:before{content:"\e079"}.active>a>.glyphicon.arrow:before{content:"\e114"}.fa.arrow:before{content:" \f104"}.fa.arrow-right:before{content:"\f105"}.active>a>.fa.arrow:before,.active>a>.fa.arrow-right:before{content:"\f107"}.plus-times{float:right}.fa.plus-times:before{content:"\f067"}.active>a>.fa.plus-times{filter:progid:DXImageTransform.Microsoft.BasicImage(rotation=1);-webkit-transform:rotate(45deg);-moz-transform:rotate(45deg);-ms-transform:rotate(45deg);-o-transform:rotate(45deg);transform:rotate(45deg)}.plus-minus{float:right}.fa.plus-minus:before{content:"\f067"}.active>a>.fa.plus-minus:before{content:"\f068"}/*!
+* metismenu https://github.com/onokumus/metismenu#readme
+* A jQuery menu plugin
+* @version 3.0.3
+* @author Osman Nuri Okumus <onokumus@gmail.com> (https://github.com/onokumus); upd. by Daniil Yarushin
+* @license: MIT 
+*/.metismenu .arrow{float:right;line-height:1.42857}[dir=rtl] .metismenu .arrow{float:left}.metismenu .glyphicon.arrow:before{content:"\e079"}.metismenu .mm-active>a>.glyphicon.arrow:before{content:"\e114"}.metismenu .fa.arrow:before{content:"\f104"}.metismenu .mm-active>a>.fa.arrow:before{content:"\f107"}.metismenu .ion.arrow:before{content:"\f3d2"}.metismenu .mm-active>a>.ion.arrow:before{content:"\f3d0"}.metismenu .plus-times{float:right}[dir=rtl] .metismenu .plus-times{float:left}.metismenu .fa.plus-times:before{content:"\f067"}.metismenu .mm-active>a>.fa.plus-times{-webkit-transform:rotate(45deg);transform:rotate(45deg)}.metismenu .plus-minus{float:right}[dir=rtl] .metismenu .plus-minus{float:left}.metismenu .fa.plus-minus:before{content:"\f067"}.metismenu .mm-active>a>.fa.plus-minus:before{content:"\f068"}.metismenu .mm-collapse:not(.mm-show){display:none}.metismenu .mm-collapsing{position:relative;height:0;overflow:hidden;transition-timing-function:ease;transition-duration:.35s;transition-property:height,visibility}.metismenu .has-arrow{position:relative}.metismenu .has-arrow:after{position:absolute;content:"";width:.5em;height:.5em;border-width:1px 0 0 1px;border-style:solid;border-color:initial;right:1em;-webkit-transform:rotate(-45deg) translateY(-50%);transform:rotate(-45deg) translateY(-50%);-webkit-transform-origin:top;transform-origin:top;top:50%;transition:all .3s ease-out}[dir=rtl] .metismenu .has-arrow:after{right:auto;left:1em;-webkit-transform:rotate(135deg) translateY(-50%);transform:rotate(135deg) translateY(-50%)}.metismenu .has-arrow[aria-expanded=true]:after,.metismenu .mm-active>.has-arrow:after{-webkit-transform:rotate(-135deg) translateY(-50%);transform:rotate(-135deg) translateY(-50%)}[dir=rtl] .metismenu .has-arrow[aria-expanded=true]:after,[dir=rtl] .metismenu .mm-active>.has-arrow:after{-webkit-transform:rotate(225deg) translateY(-50%);transform:rotate(225deg) translateY(-50%)}
\ No newline at end of file
diff --git a/static/css/metisMenu.min.js b/static/css/metisMenu.min.js
deleted file mode 100755
index 8a590e7..0000000
--- a/static/css/metisMenu.min.js
+++ /dev/null
@@ -1,9 +0,0 @@
-/*
- * metismenu - v1.1.3
- * Easy menu jQuery plugin for Twitter Bootstrap 3
- * https://github.com/onokumus/metisMenu
- *
- * Made by Osman Nuri Okumus
- * Under MIT License
- */
-!function(a,b,c){function d(b,c){this.element=a(b),this.settings=a.extend({},f,c),this._defaults=f,this._name=e,this.init()}var e="metisMenu",f={toggle:!0,doubleTapToGo:!1};d.prototype={init:function(){var b=this.element,d=this.settings.toggle,f=this;this.isIE()<=9?(b.find("li.active").has("ul").children("ul").collapse("show"),b.find("li").not(".active").has("ul").children("ul").collapse("hide")):(b.find("li.active").has("ul").children("ul").addClass("collapse in"),b.find("li").not(".active").has("ul").children("ul").addClass("collapse")),f.settings.doubleTapToGo&&b.find("li.active").has("ul").children("a").addClass("doubleTapToGo"),b.find("li").has("ul").children("a").on("click."+e,function(b){return b.preventDefault(),f.settings.doubleTapToGo&&f.doubleTapToGo(a(this))&&"#"!==a(this).attr("href")&&""!==a(this).attr("href")?(b.stopPropagation(),void(c.location=a(this).attr("href"))):(a(this).parent("li").toggleClass("active").children("ul").collapse("toggle"),void(d&&a(this).parent("li").siblings().removeClass("active").children("ul.in").collapse("hide")))})},isIE:function(){for(var a,b=3,d=c.createElement("div"),e=d.getElementsByTagName("i");d.innerHTML="<!--[if gt IE "+ ++b+"]><i></i><![endif]-->",e[0];)return b>4?b:a},doubleTapToGo:function(a){var b=this.element;return a.hasClass("doubleTapToGo")?(a.removeClass("doubleTapToGo"),!0):a.parent().children("ul").length?(b.find(".doubleTapToGo").removeClass("doubleTapToGo"),a.addClass("doubleTapToGo"),!1):void 0},remove:function(){this.element.off("."+e),this.element.removeData(e)}},a.fn[e]=function(b){return this.each(function(){var c=a(this);c.data(e)&&c.data(e).remove(),c.data(e,new d(this,b))}),this}}(jQuery,window,document);
\ No newline at end of file
diff --git a/static/css/sb-admin-2.css b/static/css/sb-admin-2.css
index ef5e53b..5c06bf9 100755
--- a/static/css/sb-admin-2.css
+++ b/static/css/sb-admin-2.css
@@ -13,15 +13,13 @@ body {
   padding: 0 15px;
   min-height: 568px;
   background-color: white;
+  margin-top: 50px;
 }
-@media (min-width: 768px) {
-  #page-wrapper {
-    position: inherit;
-    margin: 0 0 0 250px;
-    padding: 0 30px;
-    border-left: 1px solid #e7e7e7;
-  }
+
+.flex-panel{
+  display: flow-root;
 }
+
 .navbar-top-links {
   margin-right: 0;
 }
diff --git a/static/css/sb-admin-2.min.css b/static/css/sb-admin-2.min.css
index a685970..10399a1 100755
--- a/static/css/sb-admin-2.min.css
+++ b/static/css/sb-admin-2.min.css
@@ -2,4 +2,4 @@
  * Start Bootstrap - SB Admin 2 v3.3.7+1 (http://startbootstrap.com/template-overviews/sb-admin-2)
  * Copyright 2013-2016 Start Bootstrap
  * Licensed under MIT (https://github.com/BlackrockDigital/startbootstrap/blob/gh-pages/LICENSE)
- */.chat,.timeline{list-style:none}body{background-color:#f8f8f8}#wrapper{width:100%}#page-wrapper{padding:0 15px;min-height:568px;background-color:#fff}@media (min-width:768px){#page-wrapper{position:inherit;margin:0 0 0 250px;padding:0 30px;border-left:1px solid #e7e7e7}}.navbar-top-links{margin-right:0}.navbar-top-links li{display:inline-block}.flot-chart,.navbar-top-links .dropdown-menu li{display:block}.navbar-top-links li:last-child{margin-right:15px}.navbar-top-links li a{padding:15px;min-height:50px}.navbar-top-links .dropdown-menu li:last-child{margin-right:0}.navbar-top-links .dropdown-menu li a{padding:3px 20px;min-height:0}.navbar-top-links .dropdown-menu li a div{white-space:normal}.navbar-top-links .dropdown-alerts,.navbar-top-links .dropdown-messages,.navbar-top-links .dropdown-tasks{width:310px;min-width:0}.navbar-top-links .dropdown-messages{margin-left:5px}.navbar-top-links .dropdown-tasks{margin-left:-59px}.navbar-top-links .dropdown-alerts{margin-left:-123px}.navbar-top-links .dropdown-user{right:0;left:auto}.sidebar .sidebar-nav.navbar-collapse{padding-left:0;padding-right:0}.sidebar .sidebar-search{padding:15px}.sidebar ul li{border-bottom:1px solid #e7e7e7}.sidebar ul li a.active{background-color:#eee}.sidebar .arrow{float:right}.sidebar .fa.arrow:before{content:"\f104"}.sidebar .active>a>.fa.arrow:before{content:"\f107"}.sidebar .nav-second-level li,.sidebar .nav-third-level li{border-bottom:none!important}.sidebar .nav-second-level li a{padding-left:37px}.sidebar .nav-third-level li a{padding-left:52px}@media (min-width:768px){.sidebar{z-index:1;position:absolute;width:250px;margin-top:51px}.navbar-top-links .dropdown-alerts,.navbar-top-links .dropdown-messages,.navbar-top-links .dropdown-tasks{margin-left:auto}}.btn-outline{color:inherit;background-color:transparent;transition:all .5s}.btn-primary.btn-outline{color:#428bca}.btn-success.btn-outline{color:#5cb85c}.btn-info.btn-outline{color:#5bc0de}.btn-warning.btn-outline{color:#f0ad4e}.btn-danger.btn-outline{color:#d9534f}.btn-danger.btn-outline:hover,.btn-info.btn-outline:hover,.btn-primary.btn-outline:hover,.btn-success.btn-outline:hover,.btn-warning.btn-outline:hover{color:#fff}.chat{margin:0;padding:0}.chat li{margin-bottom:10px;padding-bottom:5px;border-bottom:1px dotted #999}.chat li.left .chat-body{margin-left:60px}.chat li.right .chat-body{margin-right:60px}.chat li .chat-body p{margin:0}.chat .glyphicon,.panel .slidedown .glyphicon{margin-right:5px}.chat-panel .panel-body{height:350px;overflow-y:scroll}.login-panel{margin-top:25%}.flot-chart{height:400px}.flot-chart-content{width:100%;height:100%}table.dataTable thead .sorting,table.dataTable thead .sorting_asc,table.dataTable thead .sorting_asc_disabled,table.dataTable thead .sorting_desc,table.dataTable thead .sorting_desc_disabled{background:0 0}table.dataTable thead .sorting_asc:after{content:"\f0de";float:right;font-family:fontawesome}table.dataTable thead .sorting_desc:after{content:"\f0dd";float:right;font-family:fontawesome}table.dataTable thead .sorting:after{content:"\f0dc";float:right;font-family:fontawesome;color:rgba(50,50,50,.5)}.btn-circle{width:30px;height:30px;padding:6px 0;border-radius:15px;text-align:center;font-size:12px;line-height:1.428571429}.btn-circle.btn-lg{width:50px;height:50px;padding:10px 16px;border-radius:25px;font-size:18px;line-height:1.33}.btn-circle.btn-xl{width:70px;height:70px;padding:10px 16px;border-radius:35px;font-size:24px;line-height:1.33}.show-grid [class^=col-]{padding-top:10px;padding-bottom:10px;border:1px solid #ddd;background-color:#eee!important}.show-grid{margin:15px 0}.huge{font-size:40px}.panel-green{border-color:#5cb85c}.panel-green>.panel-heading{border-color:#5cb85c;color:#fff;background-color:#5cb85c}.panel-green>a{color:#5cb85c}.panel-green>a:hover{color:#3d8b3d}.panel-red{border-color:#d9534f}.panel-red>.panel-heading{border-color:#d9534f;color:#fff;background-color:#d9534f}.panel-red>a{color:#d9534f}.panel-red>a:hover{color:#b52b27}.panel-yellow{border-color:#f0ad4e}.panel-yellow>.panel-heading{border-color:#f0ad4e;color:#fff;background-color:#f0ad4e}.panel-yellow>a{color:#f0ad4e}.panel-yellow>a:hover{color:#df8a13}.timeline{position:relative;padding:20px 0}.timeline:before{content:" ";position:absolute;top:0;bottom:0;left:50%;width:3px;margin-left:-1.5px;background-color:#eee}.timeline>li{position:relative;margin-bottom:20px}.timeline>li:after,.timeline>li:before{content:" ";display:table}.timeline>li:after{clear:both}.timeline>li>.timeline-panel{float:left;position:relative;width:46%;padding:20px;border:1px solid #d4d4d4;border-radius:2px;-webkit-box-shadow:0 1px 6px rgba(0,0,0,.175);box-shadow:0 1px 6px rgba(0,0,0,.175)}.timeline>li>.timeline-panel:before{content:" ";display:inline-block;position:absolute;top:26px;right:-15px;border-top:15px solid transparent;border-right:0 solid #ccc;border-bottom:15px solid transparent;border-left:15px solid #ccc}.timeline>li>.timeline-panel:after{content:" ";display:inline-block;position:absolute;top:27px;right:-14px;border-top:14px solid transparent;border-right:0 solid #fff;border-bottom:14px solid transparent;border-left:14px solid #fff}.timeline>li>.timeline-badge{z-index:100;position:absolute;top:16px;left:50%;width:50px;height:50px;margin-left:-25px;border-radius:50%;text-align:center;font-size:1.4em;line-height:50px;color:#fff;background-color:#999}.timeline>li.timeline-inverted>.timeline-panel{float:right}.timeline>li.timeline-inverted>.timeline-panel:before{right:auto;left:-15px;border-right-width:15px;border-left-width:0}.timeline>li.timeline-inverted>.timeline-panel:after{right:auto;left:-14px;border-right-width:14px;border-left-width:0}.timeline-badge.primary{background-color:#2e6da4!important}.timeline-badge.success{background-color:#3f903f!important}.timeline-badge.warning{background-color:#f0ad4e!important}.timeline-badge.danger{background-color:#d9534f!important}.timeline-badge.info{background-color:#5bc0de!important}.timeline-title{margin-top:0;color:inherit}.timeline-body>p,.timeline-body>ul{margin-bottom:0}.timeline-body>p+p{margin-top:5px}@media (max-width:767px){ul.timeline:before{left:40px}ul.timeline>li>.timeline-panel{width:calc(10%);width:-moz-calc(10%);width:-webkit-calc(10%);float:right}ul.timeline>li>.timeline-badge{top:16px;left:15px;margin-left:0}ul.timeline>li>.timeline-panel:before{right:auto;left:-15px;border-right-width:15px;border-left-width:0}ul.timeline>li>.timeline-panel:after{right:auto;left:-14px;border-right-width:14px;border-left-width:0}}
\ No newline at end of file
+ */body{background-color:#f8f8f8}#wrapper{width:100%}#page-wrapper{padding:0 15px;min-height:568px;background-color:white;margin-top:50px}.flex-panel{display:flow-root}.navbar-top-links{margin-right:0}.navbar-top-links li{display:inline-block}.navbar-top-links li:last-child{margin-right:15px}.navbar-top-links li a{padding:15px;min-height:50px}.navbar-top-links .dropdown-menu li{display:block}.navbar-top-links .dropdown-menu li:last-child{margin-right:0}.navbar-top-links .dropdown-menu li a{padding:3px 20px;min-height:0}.navbar-top-links .dropdown-menu li a div{white-space:normal}.navbar-top-links .dropdown-messages,.navbar-top-links .dropdown-tasks,.navbar-top-links .dropdown-alerts{width:310px;min-width:0}.navbar-top-links .dropdown-messages{margin-left:5px}.navbar-top-links .dropdown-tasks{margin-left:-59px}.navbar-top-links .dropdown-alerts{margin-left:-123px}.navbar-top-links .dropdown-user{right:0;left:auto}.sidebar .sidebar-nav.navbar-collapse{padding-left:0;padding-right:0}.sidebar .sidebar-search{padding:15px}.sidebar ul li{border-bottom:1px solid #e7e7e7}.sidebar ul li a.active{background-color:#eee}.sidebar .arrow{float:right}.sidebar .fa.arrow:before{content:"\f104"}.sidebar .active>a>.fa.arrow:before{content:"\f107"}.sidebar .nav-second-level li,.sidebar .nav-third-level li{border-bottom:none!important}.sidebar .nav-second-level li a{padding-left:37px}.sidebar .nav-third-level li a{padding-left:52px}@media(min-width:768px){.sidebar{z-index:1;position:absolute;width:250px;margin-top:51px}.navbar-top-links .dropdown-messages,.navbar-top-links .dropdown-tasks,.navbar-top-links .dropdown-alerts{margin-left:auto}}.btn-outline{color:inherit;background-color:transparent;transition:all .5s}.btn-primary.btn-outline{color:#428bca}.btn-success.btn-outline{color:#5cb85c}.btn-info.btn-outline{color:#5bc0de}.btn-warning.btn-outline{color:#f0ad4e}.btn-danger.btn-outline{color:#d9534f}.btn-primary.btn-outline:hover,.btn-success.btn-outline:hover,.btn-info.btn-outline:hover,.btn-warning.btn-outline:hover,.btn-danger.btn-outline:hover{color:white}.chat{margin:0;padding:0;list-style:none}.chat li{margin-bottom:10px;padding-bottom:5px;border-bottom:1px dotted #999}.chat li.left .chat-body{margin-left:60px}.chat li.right .chat-body{margin-right:60px}.chat li .chat-body p{margin:0}.panel .slidedown .glyphicon,.chat .glyphicon{margin-right:5px}.chat-panel .panel-body{height:350px;overflow-y:scroll}.login-panel{margin-top:25%}.flot-chart{display:block;height:400px}.flot-chart-content{width:100%;height:100%}table.dataTable thead .sorting,table.dataTable thead .sorting_asc,table.dataTable thead .sorting_desc,table.dataTable thead .sorting_asc_disabled,table.dataTable thead .sorting_desc_disabled{background:transparent}table.dataTable thead .sorting_asc:after{content:"\f0de";float:right;font-family:fontawesome}table.dataTable thead .sorting_desc:after{content:"\f0dd";float:right;font-family:fontawesome}table.dataTable thead .sorting:after{content:"\f0dc";float:right;font-family:fontawesome;color:rgba(50,50,50,0.5)}.btn-circle{width:30px;height:30px;padding:6px 0;border-radius:15px;text-align:center;font-size:12px;line-height:1.428571429}.btn-circle.btn-lg{width:50px;height:50px;padding:10px 16px;border-radius:25px;font-size:18px;line-height:1.33}.btn-circle.btn-xl{width:70px;height:70px;padding:10px 16px;border-radius:35px;font-size:24px;line-height:1.33}.show-grid [class^="col-"]{padding-top:10px;padding-bottom:10px;border:1px solid #ddd;background-color:#eee!important}.show-grid{margin:15px 0}.huge{font-size:40px}.panel-green{border-color:#5cb85c}.panel-green>.panel-heading{border-color:#5cb85c;color:white;background-color:#5cb85c}.panel-green>a{color:#5cb85c}.panel-green>a:hover{color:#3d8b3d}.panel-red{border-color:#d9534f}.panel-red>.panel-heading{border-color:#d9534f;color:white;background-color:#d9534f}.panel-red>a{color:#d9534f}.panel-red>a:hover{color:#b52b27}.panel-yellow{border-color:#f0ad4e}.panel-yellow>.panel-heading{border-color:#f0ad4e;color:white;background-color:#f0ad4e}.panel-yellow>a{color:#f0ad4e}.panel-yellow>a:hover{color:#df8a13}.timeline{position:relative;padding:20px 0 20px;list-style:none}.timeline:before{content:" ";position:absolute;top:0;bottom:0;left:50%;width:3px;margin-left:-1.5px;background-color:#eee}.timeline>li{position:relative;margin-bottom:20px}.timeline>li:before,.timeline>li:after{content:" ";display:table}.timeline>li:after{clear:both}.timeline>li:before,.timeline>li:after{content:" ";display:table}.timeline>li:after{clear:both}.timeline>li>.timeline-panel{float:left;position:relative;width:46%;padding:20px;border:1px solid #d4d4d4;border-radius:2px;-webkit-box-shadow:0 1px 6px rgba(0,0,0,0.175);box-shadow:0 1px 6px rgba(0,0,0,0.175)}.timeline>li>.timeline-panel:before{content:" ";display:inline-block;position:absolute;top:26px;right:-15px;border-top:15px solid transparent;border-right:0 solid #ccc;border-bottom:15px solid transparent;border-left:15px solid #ccc}.timeline>li>.timeline-panel:after{content:" ";display:inline-block;position:absolute;top:27px;right:-14px;border-top:14px solid transparent;border-right:0 solid #fff;border-bottom:14px solid transparent;border-left:14px solid #fff}.timeline>li>.timeline-badge{z-index:100;position:absolute;top:16px;left:50%;width:50px;height:50px;margin-left:-25px;border-radius:50% 50% 50% 50%;text-align:center;font-size:1.4em;line-height:50px;color:#fff;background-color:#999}.timeline>li.timeline-inverted>.timeline-panel{float:right}.timeline>li.timeline-inverted>.timeline-panel:before{right:auto;left:-15px;border-right-width:15px;border-left-width:0}.timeline>li.timeline-inverted>.timeline-panel:after{right:auto;left:-14px;border-right-width:14px;border-left-width:0}.timeline-badge.primary{background-color:#2e6da4!important}.timeline-badge.success{background-color:#3f903f!important}.timeline-badge.warning{background-color:#f0ad4e!important}.timeline-badge.danger{background-color:#d9534f!important}.timeline-badge.info{background-color:#5bc0de!important}.timeline-title{margin-top:0;color:inherit}.timeline-body>p,.timeline-body>ul{margin-bottom:0}.timeline-body>p+p{margin-top:5px}@media(max-width:767px){ul.timeline:before{left:40px}ul.timeline>li>.timeline-panel{width:calc(10%);width:-moz-calc(10%);width:-webkit-calc(10%)}ul.timeline>li>.timeline-badge{top:16px;left:15px;margin-left:0}ul.timeline>li>.timeline-panel{float:right}ul.timeline>li>.timeline-panel:before{right:auto;left:-15px;border-right-width:15px;border-left-width:0}ul.timeline>li>.timeline-panel:after{right:auto;left:-14px;border-right-width:14px;border-left-width:0}}
\ No newline at end of file
diff --git a/static/css/style.css b/static/css/style.css
index 46dc689..970afbb 100644
--- a/static/css/style.css
+++ b/static/css/style.css
@@ -57,3 +57,8 @@ a, a:visited {
 a:hover, a:active { 
     text-decoration: underline; 
 }
+
+img.flags-icon {
+    height: 20px;
+    margin-left: 5px;
+}
diff --git a/static/images/flag_en.png b/static/images/flag_en.png
new file mode 100644
index 0000000..1bccb07
Binary files /dev/null and b/static/images/flag_en.png differ
diff --git a/static/images/flag_ru.png b/static/images/flag_ru.png
new file mode 100644
index 0000000..993e561
Binary files /dev/null and b/static/images/flag_ru.png differ
diff --git a/static/js/bootstrap-treeview.min.js b/static/js/bootstrap-treeview.min.js
new file mode 100644
index 0000000..0fc4469
--- /dev/null
+++ b/static/js/bootstrap-treeview.min.js
@@ -0,0 +1,129 @@
+var active;
+var active_parent;
+
+$.fn.extend({
+    treed: function (o) {
+      
+      var openedClass = 'glyphicon-minus-sign';
+      var closedClass = 'glyphicon-plus-sign';
+      
+      if (typeof o != 'undefined'){
+        if (typeof o.openedClass != 'undefined'){
+        openedClass = o.openedClass;
+        }
+        if (typeof o.closedClass != 'undefined'){
+        closedClass = o.closedClass;
+        }
+      };
+      
+        //initialize each of the top levels
+        var tree = $(this);
+        tree.addClass("tree");
+        tree.find('li').has("ul").each(function () {
+            var branch = $(this); //li with children ul
+            branch.prepend("<i class='indicator glyphicon " + closedClass + "'></i>");
+            branch.addClass('branch');
+            branch.on('click', function (e) {
+                if (this == e.target) {
+                    var icon = $(this).children('i:first');
+                    icon.toggleClass(openedClass + " " + closedClass);
+                    $(this).children().children().toggle();
+                }
+            })
+            branch.children().children().toggle();
+        });
+        //fire event from the dynamically added icon
+        tree.find('.branch .indicator').each(function(){
+            $(this).on('click', function () {
+                $(this).closest('li').click();
+            });
+        });
+        //fire event to open branch if the li contains an anchor instead of text
+        tree.find('.branch>a').each(function () {
+            $(this).on('click', function (e) {
+            	$(".tree a.active").toggleClass("active");
+            	$(this).addClass("active");
+                // let parentUl = $(this).closest("ul");
+                $(".tree .wfid_updating_subtree").toggleClass("wfid_updating_subtree");
+                if (! $(this).hasClass("treed")){
+                    $(this).addClass("wfid_updating_subtree");
+                }
+            	// active = $(this);
+                // $(this).closest('li').click();
+                e.preventDefault();
+            });
+        });
+        //fire event to open branch if the li contains a button instead of text
+        tree.find('.branch>button').each(function () {
+            $(this).on('click', function (e) {
+                $(this).closest('li').click();
+                e.preventDefault();
+            });
+        });
+    },
+
+    open_last_active: function (o) {
+    	// let parents=$("."+active_parent).parentsUntil("#tree","li");
+    	last_parent=$('.tree a').filter(function(){ return $(this).text() === active_parent;})
+    	for (let p of last_parent.parentsUntil("#tree","li")) {
+    		let p_i=$(p).find("i:first");
+    		if (p_i) {
+    			p_i.click()
+    		};
+    	};
+    	last_parent.addClass("active")
+    },
+
+    save_parent: function (o) {
+    	active_parent=$(".wfid_add_block").val();
+    },
+
+    remove_active: function (o) {
+        $("a.active").parent().remove();
+    },
+
+    remove_tree: function (o) {
+        let isAddingSubblock = $("a.active")[0].innerText == $(".wfid_add_block").val();
+        let parentA;
+        if (isAddingSubblock) {
+            parentA =  $("a.active");
+            parentA.siblings("ul").remove();
+        } else {
+            var clickedParentUl = $("a.active").closest("ul")
+            parentA = clickedParentUl.parent().closest("ul").find("a:first");
+            clickedParentUl.siblings("ul").remove();
+            clickedParentUl.remove();
+        }
+        $(".tree .wfid_updating_subtree").toggleClass("wfid_updating_subtree");
+        parentA.removeClass("treed");
+        parentA.addClass("wfid_updating_subtree_lvl1")
+        parentA.click();
+        setTimeout(()=> 
+            {parentA.siblings("ul").treed();
+            $(".wfid_updating_subtree_lvl1").toggleClass("wfid_updating_subtree_lvl1");}, 
+            500);
+        // parentA.addClass("wfid_updating_subtree");
+        // $("a.active").parent().remove();
+    },
+
+    update_tree: function (o) {
+        var clickedParent = $('.wfid_updating_subtree').closest("ul");
+        $('.wfid_updating_subtree').addClass("treed").removeClass("not-tree");
+        if (clickedParent.length > 0 && ! clickedParent.hasClass("treed")){
+            // $(".tree .wfid_updating_subtree_input").remove();
+            clickedParent.treed()
+            clickedParent.addClass("treed");
+            // $('.wfid_updating_subtree').addClass("treed");
+            // var $new = $( "<input type='test' class='wfid_updating_subtree_input hidden' value='1'>" )
+            // $('.wfid_updating_subtree').append($new);
+        }
+    }
+});
+
+
+
+//Initialization of treeviews
+
+// $('#tree1').treed();
+// $('#tree2').treed({openedClass:'glyphicon-folder-open', closedClass:'glyphicon-folder-close'});
+// $('#tree3').treed({openedClass:'glyphicon-chevron-right', closedClass:'glyphicon-chevron-down'});
diff --git a/static/js/jquery.js b/static/js/jquery.js
old mode 100755
new mode 100644
index 71b96ed..4d9b3a2
--- a/static/js/jquery.js
+++ b/static/js/jquery.js
@@ -1,5 +1,2 @@
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diff --git a/static/js/metisMenu.min.js b/static/js/metisMenu.min.js
index 8a590e7..2183382 100755
--- a/static/js/metisMenu.min.js
+++ b/static/js/metisMenu.min.js
@@ -6,4 +6,31 @@
  * Made by Osman Nuri Okumus
  * Under MIT License
  */
-!function(a,b,c){function d(b,c){this.element=a(b),this.settings=a.extend({},f,c),this._defaults=f,this._name=e,this.init()}var e="metisMenu",f={toggle:!0,doubleTapToGo:!1};d.prototype={init:function(){var b=this.element,d=this.settings.toggle,f=this;this.isIE()<=9?(b.find("li.active").has("ul").children("ul").collapse("show"),b.find("li").not(".active").has("ul").children("ul").collapse("hide")):(b.find("li.active").has("ul").children("ul").addClass("collapse in"),b.find("li").not(".active").has("ul").children("ul").addClass("collapse")),f.settings.doubleTapToGo&&b.find("li.active").has("ul").children("a").addClass("doubleTapToGo"),b.find("li").has("ul").children("a").on("click."+e,function(b){return b.preventDefault(),f.settings.doubleTapToGo&&f.doubleTapToGo(a(this))&&"#"!==a(this).attr("href")&&""!==a(this).attr("href")?(b.stopPropagation(),void(c.location=a(this).attr("href"))):(a(this).parent("li").toggleClass("active").children("ul").collapse("toggle"),void(d&&a(this).parent("li").siblings().removeClass("active").children("ul.in").collapse("hide")))})},isIE:function(){for(var a,b=3,d=c.createElement("div"),e=d.getElementsByTagName("i");d.innerHTML="<!--[if gt IE "+ ++b+"]><i></i><![endif]-->",e[0];)return b>4?b:a},doubleTapToGo:function(a){var b=this.element;return a.hasClass("doubleTapToGo")?(a.removeClass("doubleTapToGo"),!0):a.parent().children("ul").length?(b.find(".doubleTapToGo").removeClass("doubleTapToGo"),a.addClass("doubleTapToGo"),!1):void 0},remove:function(){this.element.off("."+e),this.element.removeData(e)}},a.fn[e]=function(b){return this.each(function(){var c=a(this);c.data(e)&&c.data(e).remove(),c.data(e,new d(this,b))}),this}}(jQuery,window,document);
\ No newline at end of file
+! function(a, b, c) {
+    function d(b, c) { this.element = a(b), this.settings = a.extend({}, f, c), this._defaults = f, this._name = e, this.init() }
+    function clickMenuBtnIfXs() {return $( "button.navbar-toggle" ).css("display") !=="none"  ? $( "button.navbar-toggle" ).trigger( "click" ) : void 0}
+    var e = "metisMenu",
+        f = { toggle: !0, doubleTapToGo: !1 };
+    d.prototype = {
+        init: function() {
+            var b = this.element,
+                d = this.settings.toggle,
+                f = this;
+            this.isIE() <= 9 ? (b.find("li.active").has("ul").children("ul").collapse("show"), b.find("li").not(".active").has("ul").children("ul").collapse("hide")) : (b.find("li.active").has("ul").children("ul").addClass("collapse in"), b.find("li").not(".active").has("ul").children("ul").addClass("collapse")), f.settings.doubleTapToGo && b.find("li.active").has("ul").children("a").addClass("doubleTapToGo"),
+            b.find("li").has("ul").children("a").on("click." + e, function(b) {return b.preventDefault(), f.settings.doubleTapToGo && f.doubleTapToGo(a(this)) && "#" !== a(this).attr("href") && "" !== a(this).attr("href") ? (b.stopPropagation(), void(c.location = a(this).attr("href"))) : (a(this).parent("li").toggleClass("active").children("ul").collapse("toggle"), void(d && a(this).parent("li").siblings().removeClass("active").children("ul.in").collapse("hide"))) }),
+            b.find("li").not(":has(ul)").children("a").on("click." + e, function(b) {clickMenuBtnIfXs(),
+            void(a(this).parent("li").siblings().removeClass("active").parent("ul.in").collapse("hide"),
+            	a(this).parent("li").siblings().children("ul").collapse("hide")), (a(this).parent("li").toggleClass("active"))
+             })
+
+        },
+        isIE: function() { for (var a, b = 3, d = c.createElement("div"), e = d.getElementsByTagName("i"); d.innerHTML = "<!--[if gt IE " + ++b + "]><i></i><![endif]-->", e[0];) return b > 4 ? b : a },
+        doubleTapToGo: function(a) { var b = this.element; return a.hasClass("doubleTapToGo") ? (a.removeClass("doubleTapToGo"), !0) : a.parent().children("ul").length ? (b.find(".doubleTapToGo").removeClass("doubleTapToGo"), a.addClass("doubleTapToGo"), !1) : void 0 },
+        remove: function() { this.element.off("." + e), this.element.removeData(e) }
+    }, a.fn[e] = function(b) {
+        return this.each(function() {
+            var c = a(this);
+            c.data(e) && c.data(e).remove(), c.data(e, new d(this, b))
+        }), this
+    }
+}(jQuery, window, document);
\ No newline at end of file
diff --git a/templates/404.html b/templates/404.html
index 6038076..ec16647 100644
--- a/templates/404.html
+++ b/templates/404.html
@@ -13,6 +13,7 @@ <h2>
                 <div class="error-actions">
                     <a href="/" class="btn btn-primary btn-lg"><span class="glyphicon glyphicon-home"></span>
                         Take Me Home </a>
+                    <p></p>
                     <a href="#" class="btn btn-default btn-lg"><span class="glyphicon glyphicon-envelope"></span> Contact Support </a>
                 </div>
             </div>
diff --git a/templates/analytics/google_tags.html b/templates/analytics/google_tags.html
new file mode 100644
index 0000000..4125a38
--- /dev/null
+++ b/templates/analytics/google_tags.html
@@ -0,0 +1,8 @@
+<!-- Google Tag Manager -->
+<script>(function(w,d,s,l,i){w[l]=w[l]||[];w[l].push({'gtm.start':
+new Date().getTime(),event:'gtm.js'});var f=d.getElementsByTagName(s)[0],
+j=d.createElement(s),dl=l!='dataLayer'?'&l='+l:'';j.async=true;j.src=
+'https://www.googletagmanager.com/gtm.js?id='+i+dl;f.parentNode.insertBefore(j,f);
+})(window,document,'script','dataLayer','[[[AnalyticsId]]]');</script>
+<!-- End Google Tag Manager -->
+
diff --git a/templates/analytics/google_tags_noscript.html b/templates/analytics/google_tags_noscript.html
new file mode 100644
index 0000000..4e17feb
--- /dev/null
+++ b/templates/analytics/google_tags_noscript.html
@@ -0,0 +1,6 @@
+<!-- Google Tag Manager (noscript) -->
+<noscript>
+	<iframe src="https://www.googletagmanager.com/ns.html?id=[[[AnalyticsId]]]"
+	height="0" width="0" style="display:none;visibility:hidden"></iframe>
+</noscript>
+<!-- End Google Tag Manager (noscript) -->
\ No newline at end of file
diff --git a/templates/internal/admin.html b/templates/internal/admin.html
index 351d16b..b80a861 100755
--- a/templates/internal/admin.html
+++ b/templates/internal/admin.html
@@ -1,235 +1,22 @@
 <div id="wrapper">
 
     <!-- Navigation -->
-    <nav class="navbar navbar-default navbar-static-top" role="navigation" style="margin-bottom: 0">
-        <div class="navbar-header">
-            <button type="button" class="navbar-toggle" data-toggle="collapse" data-target=".navbar-collapse">
+    <nav class="navbar navbar-default navbar-fixed-top" role="navigation" style="margin-bottom: 0">
+        <div class="navbar-header" class="">
+            <a class="navbar-brand pull-left wfid_title" href="/">[[[index:title(Page)]]]</a>
+            <button type="button" class="navbar-toggle pull-left" data-toggle="collapse" data-target=".navbar-collapse">
                 <span class="sr-only">Toggle navigation</span>
                 <span class="icon-bar"></span>
                 <span class="icon-bar"></span>
                 <span class="icon-bar"></span>
             </button>
-            <a class="navbar-brand" href="/">[[[index:title(Page)]]]</a>
+               
         </div>
-        <!-- /.navbar-header -->
-
-        <ul class="nav navbar-top-links navbar-right">
-            <li class="dropdown">
-                <a class="dropdown-toggle" data-toggle="dropdown" href="#">
-                    <i class="fa fa-envelope fa-fw"></i> <i class="fa fa-caret-down"></i>
-                </a>
-                <ul class="dropdown-menu dropdown-messages">
-                    <li>
-                        <a href="#">
-                            <div>
-                                <strong>John Smith</strong>
-                                <span class="pull-right text-muted">
-                                    <em>Yesterday</em>
-                                </span>
-                            </div>
-                            <div>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Pellentesque eleifend...</div>
-                        </a>
-                    </li>
-                    <li class="divider"></li>
-                    <li>
-                        <a href="#">
-                            <div>
-                                <strong>John Smith</strong>
-                                <span class="pull-right text-muted">
-                                    <em>Yesterday</em>
-                                </span>
-                            </div>
-                            <div>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Pellentesque eleifend...</div>
-                        </a>
-                    </li>
-                    <li class="divider"></li>
-                    <li>
-                        <a href="#">
-                            <div>
-                                <strong>John Smith</strong>
-                                <span class="pull-right text-muted">
-                                    <em>Yesterday</em>
-                                </span>
-                            </div>
-                            <div>Lorem ipsum dolor sit amet, consectetur adipiscing elit. Pellentesque eleifend...</div>
-                        </a>
-                    </li>
-                    <li class="divider"></li>
-                    <li>
-                        <a class="text-center" href="#">
-                            <strong>Read All Messages</strong>
-                            <i class="fa fa-angle-right"></i>
-                        </a>
-                    </li>
-                </ul>
-                <!-- /.dropdown-messages -->
-            </li>
-            <!-- /.dropdown -->
-            <li class="dropdown">
-                <a class="dropdown-toggle" data-toggle="dropdown" href="#">
-                    <i class="fa fa-tasks fa-fw"></i> <i class="fa fa-caret-down"></i>
-                </a>
-                <ul class="dropdown-menu dropdown-tasks">
-                    <li>
-                        <a href="#">
-                            <div>
-                                <p>
-                                <strong>Task 1</strong>
-                                <span class="pull-right text-muted">40% Complete</span>
-                                </p>
-                                <div class="progress progress-striped active">
-                                    <div class="progress-bar progress-bar-success" role="progressbar" aria-valuenow="40" aria-valuemin="0" aria-valuemax="100" style="width: 40%">
-                                        <span class="sr-only">40% Complete (success)</span>
-                                    </div>
-                                </div>
-                            </div>
-                        </a>
-                    </li>
-                    <li class="divider"></li>
-                    <li>
-                        <a href="#">
-                            <div>
-                                <p>
-                                <strong>Task 2</strong>
-                                <span class="pull-right text-muted">20% Complete</span>
-                                </p>
-                                <div class="progress progress-striped active">
-                                    <div class="progress-bar progress-bar-info" role="progressbar" aria-valuenow="20" aria-valuemin="0" aria-valuemax="100" style="width: 20%">
-                                        <span class="sr-only">20% Complete</span>
-                                    </div>
-                                </div>
-                            </div>
-                        </a>
-                    </li>
-                    <li class="divider"></li>
-                    <li>
-                        <a href="#">
-                            <div>
-                                <p>
-                                <strong>Task 3</strong>
-                                <span class="pull-right text-muted">60% Complete</span>
-                                </p>
-                                <div class="progress progress-striped active">
-                                    <div class="progress-bar progress-bar-warning" role="progressbar" aria-valuenow="60" aria-valuemin="0" aria-valuemax="100" style="width: 60%">
-                                        <span class="sr-only">60% Complete (warning)</span>
-                                    </div>
-                                </div>
-                            </div>
-                        </a>
-                    </li>
-                    <li class="divider"></li>
-                    <li>
-                        <a href="#">
-                            <div>
-                                <p>
-                                <strong>Task 4</strong>
-                                <span class="pull-right text-muted">80% Complete</span>
-                                </p>
-                                <div class="progress progress-striped active">
-                                    <div class="progress-bar progress-bar-danger" role="progressbar" aria-valuenow="80" aria-valuemin="0" aria-valuemax="100" style="width: 80%">
-                                        <span class="sr-only">80% Complete (danger)</span>
-                                    </div>
-                                </div>
-                            </div>
-                        </a>
-                    </li>
-                    <li class="divider"></li>
-                    <li>
-                        <a class="text-center" href="#">
-                            <strong>See All Tasks</strong>
-                            <i class="fa fa-angle-right"></i>
-                        </a>
-                    </li>
-                </ul>
-                <!-- /.dropdown-tasks -->
-            </li>
-            <!-- /.dropdown -->
-            <li class="dropdown">
-                <a class="dropdown-toggle" data-toggle="dropdown" href="#">
-                    <i class="fa fa-bell fa-fw"></i> <i class="fa fa-caret-down"></i>
-                </a>
-                <ul class="dropdown-menu dropdown-alerts">
-                    <li>
-                        <a href="#">
-                            <div>
-                                <i class="fa fa-comment fa-fw"></i> New Comment
-                                <span class="pull-right text-muted small">4 minutes ago</span>
-                            </div>
-                        </a>
-                    </li>
-                    <li class="divider"></li>
-                    <li>
-                        <a href="#">
-                            <div>
-                                <i class="fa fa-twitter fa-fw"></i> 3 New Followers
-                                <span class="pull-right text-muted small">12 minutes ago</span>
-                            </div>
-                        </a>
-                    </li>
-                    <li class="divider"></li>
-                    <li>
-                        <a href="#">
-                            <div>
-                                <i class="fa fa-envelope fa-fw"></i> Message Sent
-                                <span class="pull-right text-muted small">4 minutes ago</span>
-                            </div>
-                        </a>
-                    </li>
-                    <li class="divider"></li>
-                    <li>
-                        <a href="#">
-                            <div>
-                                <i class="fa fa-tasks fa-fw"></i> New Task
-                                <span class="pull-right text-muted small">4 minutes ago</span>
-                            </div>
-                        </a>
-                    </li>
-                    <li class="divider"></li>
-                    <li>
-                        <a href="#">
-                            <div>
-                                <i class="fa fa-upload fa-fw"></i> Server Rebooted
-                                <span class="pull-right text-muted small">4 minutes ago</span>
-                            </div>
-                        </a>
-                    </li>
-                    <li class="divider"></li>
-                    <li>
-                        <a class="text-center" href="#">
-                            <strong>See All Alerts</strong>
-                            <i class="fa fa-angle-right"></i>
-                        </a>
-                    </li>
-                </ul>
-                <!-- /.dropdown-alerts -->
-            </li>
-            <!-- /.dropdown -->
-            <li class="dropdown">
-                <a class="dropdown-toggle" data-toggle="dropdown" href="#">
-                    <i class="fa fa-user fa-fw"></i> <i class="fa fa-caret-down"></i>
-                </a>
-                <ul class="dropdown-menu dropdown-user">
-                    <li><a href="#"><i class="fa fa-user fa-fw"></i> User Profile</a>
-                    </li>
-                    <li><a href="#"><i class="fa fa-gear fa-fw"></i> Settings</a>
-                    </li>
-                    <li class="divider"></li>
-                    <li><a href="account"><i class="fa fa-sign-out fa-fw"></i> Logout</a>
-                    </li>
-                </ul>
-                <!-- /.dropdown-user -->
-            </li>
-            <!-- /.dropdown -->
-        </ul>
-        <!-- /.navbar-top-links -->
-
-        <div class="navbar-default sidebar" role="navigation">
-            <div class="sidebar-nav navbar-collapse">
-                [[[bootstrap:nav_items(Page, "sidebar-nav", [])]]]
-            </div>
-            <!-- /.sidebar-collapse -->
+        
+        <div class="collapse navbar-collapse" id="bs-example-navbar-collapse-1">
+            [[[bootstrap:nav_items(Page, "sidebar-nav", ["navbar navbar-nav navbar-right"])]]]  
         </div>
-        <!-- /.navbar-static-side -->
+        [[[admin:admin_logout_button()]]]  
     </nav>
 
     <!-- Page Content -->
diff --git a/templates/internal/main.html b/templates/internal/main.html
index 9e94b21..1c9e3c1 100644
--- a/templates/internal/main.html
+++ b/templates/internal/main.html
@@ -1,5 +1,5 @@
 <!DOCTYPE html>
-<html lang="en">
+<html lang=[[[index:language(Page)]]] >
 
 <head>