diff --git a/css/swad17.25.4.css b/css/swad17.25.4.css
index 4f1f8788..4bbdefdf 100644
--- a/css/swad17.25.4.css
+++ b/css/swad17.25.4.css
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General 3 License as
@@ -2411,19 +2411,31 @@ a:hover img.CENTRE_PHOTO_SHOW
 	}
 .GAM_PLAY_NUM_QST
 	{
-	width:15%;
+	width:10%;
 	float:left;
 	/* position:relative; */
 	padding-bottom:24pt;
 	color:#808080;
 	font-size:48pt;
 	font-weight:bold;
+	
+	// background:pink;
 	}
 .GAM_PLAY_QST_CONTAINER
 	{
-	width:85%;
+	width:80%;
 	float:left;
 	/* position:relative; */
+
+	// background:blue;
+	}
+.GAM_PLAY_NXT_CONTAINER
+	{
+	width:10%;
+	float:left;
+	/* position:relative; */
+
+	// background:grey;
 	}
 .GAM_PLAY_QST
 	{
@@ -2441,7 +2453,7 @@ a:hover img.CENTRE_PHOTO_SHOW
 	}
 .GAM_PLAY_CONTINUE
 	{
-	font-size:24pt;
+	font-size:16pt;
 	}
 
 /******************************* Time table **********************************/
diff --git a/js/swad17.17.1.js b/js/swad17.17.1.js
index 24d913bd..adba0d22 100644
--- a/js/swad17.17.1.js
+++ b/js/swad17.17.1.js
@@ -4,7 +4,7 @@
     SWAD (Shared Workspace At a Distance),
     is a web platform developed at the University of Granada (Spain),
     and used to support university teaching.
-    Copyright (C) 1999-2017 Antonio Cañas-Vargas
+    Copyright (C) 1999-2018 Antonio Cañas-Vargas
     University of Granada (SPAIN) (acanas@ugr.es)
 
     This program is free software: you can redistribute it and/or modify
diff --git a/swad_ID.c b/swad_ID.c
index 5bb562d2..d1269b88 100644
--- a/swad_ID.c
+++ b/swad_ID.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
@@ -363,7 +363,6 @@ static bool ID_CheckIfUsrIDIsValidUsingMinDigits (const char *UsrID,unsigned Min
 
 void ID_WriteUsrIDs (struct UsrData *UsrDat,const char *Anchor)
   {
-   extern struct Act_Actions Act_Actions[Act_NUM_ACTIONS];
    unsigned NumID;
    bool ICanSeeUsrID;
    bool ICanConfirmUsrID;
@@ -372,7 +371,7 @@ void ID_WriteUsrIDs (struct UsrData *UsrDat,const char *Anchor)
    ICanConfirmUsrID = ICanSeeUsrID &&
 	              (UsrDat->UsrCod != Gbl.Usrs.Me.UsrDat.UsrCod) &&			// Not me
 	              !Gbl.Form.Inside &&						// Not inside another form
-                      Act_Actions[Gbl.Action.Act].BrowserTab == Act_BRW_1ST_TAB;	// Only in main browser tab
+                      Act_GetBrowserTab (Gbl.Action.Act) == Act_BRW_1ST_TAB;	// Only in main browser tab
 
    for (NumID = 0;
 	NumID < UsrDat->IDs.Num;
@@ -448,7 +447,6 @@ bool ID_ICanSeeOtherUsrIDs (const struct UsrData *UsrDat)
 static void ID_PutLinkToConfirmID (struct UsrData *UsrDat,unsigned NumID,
                                    const char *Anchor)
   {
-   extern struct Act_Actions Act_Actions[Act_NUM_ACTIONS];
    extern const char *The_ClassFormBold[The_NUM_THEMES];
    extern const char *Txt_Confirm_ID;
    Act_Action_t NextAction;
@@ -471,7 +469,7 @@ static void ID_PutLinkToConfirmID (struct UsrData *UsrDat,unsigned NumID,
    if (Gbl.Action.Original != ActUnk)
      {
       Par_PutHiddenParamLong ("OriginalActCod",
-                              Act_Actions[Gbl.Action.Original].ActCod);	// Original action, used to know where we came from
+                              Act_GetActCod (Gbl.Action.Original));	// Original action, used to know where we came from
       switch (Gbl.Action.Original)
 	{
 	 case ActSeeRecSevGst:
diff --git a/swad_ID.h b/swad_ID.h
index f0e0b389..9bdc89ae 100644
--- a/swad_ID.h
+++ b/swad_ID.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_MFU.c b/swad_MFU.c
index f88fff08..afe9ed63 100644
--- a/swad_MFU.c
+++ b/swad_MFU.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General 3 License as
@@ -98,7 +98,6 @@ void MFU_FreeMFUActions (struct MFU_ListMFUActions *ListMFUActions)
 void MFU_GetMFUActions (struct MFU_ListMFUActions *ListMFUActions,unsigned MaxActionsShown)
   {
    extern Act_Action_t Act_FromActCodToAction[1 + Act_MAX_ACTION_COD];
-   extern struct Act_Actions Act_Actions[Act_NUM_ACTIONS];
    char Query[512];
    MYSQL_RES *mysql_res;
    MYSQL_ROW row;
@@ -123,7 +122,7 @@ void MFU_GetMFUActions (struct MFU_ListMFUActions *ListMFUActions,unsigned MaxAc
       ActCod = Str_ConvertStrCodToLongCod (row[0]);
       if (ActCod >= 0 && ActCod <= Act_MAX_ACTION_COD)
          if ((Action = Act_FromActCodToAction[ActCod]) >= 0)
-            if (Act_Actions[Action].IndexInMenu >= 0)	// MFU actions must be only actions shown on menu (database could contain wrong action numbers)
+            if (Act_GetIndexInMenu (Action) >= 0)	// MFU actions must be only actions shown on menu (database could contain wrong action numbers)
                if (Act_CheckIfIHavePermissionToExecuteAction (Action))
                   ListMFUActions->Actions[ListMFUActions->NumActions++] = Action;
      }
@@ -139,7 +138,6 @@ void MFU_GetMFUActions (struct MFU_ListMFUActions *ListMFUActions,unsigned MaxAc
 Act_Action_t MFU_GetMyLastActionInCurrentTab (void)
   {
    extern Act_Action_t Act_FromActCodToAction[1 + Act_MAX_ACTION_COD];
-   extern struct Act_Actions Act_Actions[Act_NUM_ACTIONS];
    char Query[512];
    MYSQL_RES *mysql_res;
    MYSQL_ROW row;
@@ -147,7 +145,6 @@ Act_Action_t MFU_GetMyLastActionInCurrentTab (void)
    unsigned NumAct;
    long ActCod;
    Act_Action_t Action;
-   Act_Action_t SuperAction;
    Act_Action_t MoreRecentActionInCurrentTab = ActUnk;
 
    if (Gbl.Usrs.Me.UsrDat.UsrCod > 0)
@@ -170,15 +167,12 @@ Act_Action_t MFU_GetMyLastActionInCurrentTab (void)
          ActCod = Str_ConvertStrCodToLongCod (row[0]);
          if (ActCod >= 0 && ActCod <= Act_MAX_ACTION_COD)
             if ((Action = Act_FromActCodToAction[ActCod]) >= 0)
-              {
-               SuperAction = Act_Actions[Action].SuperAction;
-               if (Act_Actions[SuperAction].Tab == Gbl.Action.Tab)
+               if (Act_GetTab (Act_GetSuperAction (Action)) == Gbl.Action.Tab)
                   if (Act_CheckIfIHavePermissionToExecuteAction (Action))
                     {
                      MoreRecentActionInCurrentTab = Action;
                      break;
                     }
-              }
         }
 
       /***** Free structure that stores the query result *****/
@@ -210,14 +204,12 @@ void MFU_ShowMyMFUActions (void)
 
 void MFU_WriteBigMFUActions (struct MFU_ListMFUActions *ListMFUActions)
   {
-   extern struct Act_Actions Act_Actions[Act_NUM_ACTIONS];
    extern const char *Hlp_ANALYTICS_Frequent;
    extern const char *The_ClassFormNoWrap[The_NUM_THEMES];
    extern const char *Txt_My_frequent_actions;
    extern const char *Txt_TABS_TXT[Tab_NUM_TABS];
    unsigned NumAct;
    Act_Action_t Action;
-   Act_Action_t SuperAction;
    const char *Title;
    char TabStr[MFU_MAX_BYTES_TAB + 1];
    char MenuStr[MFU_MAX_BYTES_MENU + 1];
@@ -239,8 +231,7 @@ void MFU_WriteBigMFUActions (struct MFU_ListMFUActions *ListMFUActions)
       if ((Title = Act_GetTitleAction (Action)) != NULL)
         {
 	 /* Action string */
-	 SuperAction = Act_Actions[Action].SuperAction;
-	 Str_Copy (TabStr,Txt_TABS_TXT[Act_Actions[SuperAction].Tab],
+	 Str_Copy (TabStr,Txt_TABS_TXT[Act_GetTab (Act_GetSuperAction (Action))],
 	           MFU_MAX_BYTES_TAB);
 	 Str_Copy (MenuStr,Title,
 	           MFU_MAX_BYTES_MENU);
@@ -252,7 +243,7 @@ void MFU_WriteBigMFUActions (struct MFU_ListMFUActions *ListMFUActions)
          Act_LinkFormSubmit (TabMenuStr,The_ClassFormNoWrap[Gbl.Prefs.Theme],NULL);
 	 fprintf (Gbl.F.Out,"<img src=\"%s/%s/%s\" alt=\"%s\" />",
 		  Gbl.Prefs.PathIconSet,Cfg_ICON_ACTION,
-		  Act_Actions[Action].Icon,
+		  Act_GetIcon (Action),
 		  MenuStr);
          fprintf (Gbl.F.Out," %s</a>",TabMenuStr);
          Act_FormEnd ();
@@ -271,13 +262,11 @@ void MFU_WriteBigMFUActions (struct MFU_ListMFUActions *ListMFUActions)
 
 void MFU_WriteSmallMFUActions (struct MFU_ListMFUActions *ListMFUActions)
   {
-   extern struct Act_Actions Act_Actions[Act_NUM_ACTIONS];
    extern const char *Txt_My_frequent_actions;
    extern const char *Txt_Frequent_ACTIONS;
    extern const char *Txt_TABS_TXT[Tab_NUM_TABS];
    unsigned NumAct;
    Act_Action_t Action;
-   Act_Action_t SuperAction;
    const char *Title;
    char TabStr[MFU_MAX_BYTES_TAB + 1];
    char MenuStr[MFU_MAX_BYTES_MENU + 1];
@@ -303,8 +292,7 @@ void MFU_WriteSmallMFUActions (struct MFU_ListMFUActions *ListMFUActions)
       if ((Title = Act_GetTitleAction (Action)) != NULL)
         {
 	 /* Action string */
-	 SuperAction = Act_Actions[Action].SuperAction;
-	 Str_Copy (TabStr,Txt_TABS_TXT[Act_Actions[SuperAction].Tab],
+	 Str_Copy (TabStr,Txt_TABS_TXT[Act_GetTab (Act_GetSuperAction (Action))],
 	           MFU_MAX_BYTES_TAB);
 	 Str_Copy (MenuStr,Title,
 	           MFU_MAX_BYTES_MENU);
@@ -316,7 +304,7 @@ void MFU_WriteSmallMFUActions (struct MFU_ListMFUActions *ListMFUActions)
          Act_LinkFormSubmit (TabMenuStr,NULL,NULL);
          fprintf (Gbl.F.Out,"<img src=\"%s/%s/%s\" alt=\"%s\" />",
                   Gbl.Prefs.PathIconSet,Cfg_ICON_ACTION,
-                  Act_Actions[Action].Icon,
+                  Act_GetIcon (Action),
                   MenuStr);
 	 fprintf (Gbl.F.Out," %s</a>",MenuStr);
          Act_FormEnd ();
@@ -340,27 +328,30 @@ void MFU_WriteSmallMFUActions (struct MFU_ListMFUActions *ListMFUActions)
 
 void MFU_UpdateMFUActions (void)
   {
-   extern struct Act_Actions Act_Actions[Act_NUM_ACTIONS];
    char Query[1024];
    MYSQL_RES *mysql_res;
    MYSQL_ROW row;
    float Score;
+   long ActCod;
+   Act_Action_t SuperAction;
 
    /***** In some cases, don't register action *****/
    if (!Gbl.Usrs.Me.Logged)
       return;
-   if (Act_Actions[Act_Actions[Gbl.Action.Act].SuperAction].IndexInMenu < 0)
+   if (Act_GetIndexInMenu (Gbl.Action.Act) < 0)
       return;
-   if (Act_Actions[Gbl.Action.Act].SuperAction == ActMFUAct)
+   SuperAction = Act_GetSuperAction (Gbl.Action.Act);
+   if (SuperAction == ActMFUAct)
       return;
 
+   ActCod = Act_GetActCod (SuperAction);
+
    Str_SetDecimalPointToUS ();	// To get the decimal point as a dot
 
    /***** Get current score *****/
    sprintf (Query,"SELECT Score FROM actions_MFU"
                   " WHERE UsrCod=%ld AND ActCod=%ld",
-            Gbl.Usrs.Me.UsrDat.UsrCod,
-            Act_Actions[Act_Actions[Gbl.Action.Act].SuperAction].ActCod);
+            Gbl.Usrs.Me.UsrDat.UsrCod,ActCod);
    if (DB_QuerySELECT (Query,&mysql_res,"can not get score for current action"))
      {
       row = mysql_fetch_row (mysql_res);
@@ -381,17 +372,14 @@ void MFU_UpdateMFUActions (void)
                   " (UsrCod,ActCod,Score,LastClick)"
                   " VALUES"
                   " (%ld,%ld,'%f',NOW())",
-	    Gbl.Usrs.Me.UsrDat.UsrCod,
-            Act_Actions[Act_Actions[Gbl.Action.Act].SuperAction].ActCod,
-            Score);
+	    Gbl.Usrs.Me.UsrDat.UsrCod,ActCod,Score);
    DB_QueryREPLACE (Query,"can not update most frequently used actions");
 
    /***** Update score for other actions *****/
    sprintf (Query,"UPDATE actions_MFU SET Score=GREATEST(Score*'%f','%f')"
                   " WHERE UsrCod=%ld AND ActCod<>%ld",
             MFU_DECREASE_FACTOR,MFU_MIN_SCORE,
-            Gbl.Usrs.Me.UsrDat.UsrCod,
-            Act_Actions[Act_Actions[Gbl.Action.Act].SuperAction].ActCod);
+            Gbl.Usrs.Me.UsrDat.UsrCod,ActCod);
    DB_QueryUPDATE (Query,"can not update most frequently used actions");
 
    Str_SetDecimalPointToLocal ();	// Return to local system
diff --git a/swad_MFU.h b/swad_MFU.h
index d33ee082..e52a6569 100644
--- a/swad_MFU.h
+++ b/swad_MFU.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_QR.c b/swad_QR.c
index 6d2f0de9..a3f975b3 100644
--- a/swad_QR.c
+++ b/swad_QR.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General 3 License as
@@ -147,7 +147,6 @@ void QR_LinkTo (unsigned Size,const char *ParamStr,long Cod)
 
 void QR_ExamAnnnouncement (void)
   {
-   extern struct Act_Actions Act_Actions[Act_NUM_ACTIONS];
    extern const char *Txt_Link_to_announcement_of_exam;
 
    /***** Show QR code with direct link to the exam announcement *****/
@@ -157,7 +156,7 @@ void QR_ExamAnnnouncement (void)
                       " style=\"width:250px; height:250px;\" />"
                       "</div>",
             300,300,
-            Cfg_URL_SWAD_CGI,Gbl.CurrentCrs.Crs.CrsCod,Act_Actions[ActSeeAllExaAnn].ActCod,
+            Cfg_URL_SWAD_CGI,Gbl.CurrentCrs.Crs.CrsCod,Act_GetActCod (ActSeeAllExaAnn),
             Txt_Link_to_announcement_of_exam,
             Txt_Link_to_announcement_of_exam);
   }
diff --git a/swad_QR.h b/swad_QR.h
index 95c9d5d7..0d293149 100644
--- a/swad_QR.h
+++ b/swad_QR.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_RSS.c b/swad_RSS.c
index 5424b800..da5bc65c 100644
--- a/swad_RSS.c
+++ b/swad_RSS.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_RSS.h b/swad_RSS.h
index 98a98156..541e08ce 100644
--- a/swad_RSS.h
+++ b/swad_RSS.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_account.c b/swad_account.c
index b97fe372..cd970746 100644
--- a/swad_account.c
+++ b/swad_account.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General 3 License as
diff --git a/swad_account.h b/swad_account.h
index 7b0dcb88..c4634708 100644
--- a/swad_account.h
+++ b/swad_account.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_action.c b/swad_action.c
index b8161efc..fc31f797 100644
--- a/swad_action.c
+++ b/swad_action.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
@@ -4940,6 +4940,48 @@ Act_Action_t Act_GetActionFromActCod (long ActCod)
    return ActUnk;
   }
 
+/*****************************************************************************/
+/****************** Get permanent action code from action ********************/
+/*****************************************************************************/
+
+long Act_GetActCod (Act_Action_t Action)
+  {
+   if (Action < 0 || Action >= Act_NUM_ACTIONS)
+      return -1L;
+
+   return Act_Actions[Action].ActCod;
+  }
+
+/*****************************************************************************/
+/***************** Get index in menu associated to an action ******************/
+/*****************************************************************************/
+
+signed int Act_GetIndexInMenu (Act_Action_t Action)
+  {
+   return Act_Actions[Act_GetSuperAction (Action)].IndexInMenu;
+  }
+
+/*****************************************************************************/
+/********************* Get tab associated to an action ***********************/
+/*****************************************************************************/
+
+Tab_Tab_t Act_GetTab (Act_Action_t Action)
+  {
+   return Act_Actions[Act_GetSuperAction (Action)].Tab;
+  }
+
+/*****************************************************************************/
+/***************** Get superaction associated to an action *******************/
+/*****************************************************************************/
+
+Act_Action_t Act_GetSuperAction (Act_Action_t Action)
+  {
+   if (Action < 0 || Action >= Act_NUM_ACTIONS)
+      return ActUnk;
+
+   return Act_Actions[Action].SuperAction;
+  }
+
 /*****************************************************************************/
 /************* Check if I have permission to execute an action ***************/
 /*****************************************************************************/
@@ -4968,6 +5010,66 @@ bool Act_CheckIfIHavePermissionToExecuteAction (Act_Action_t Action)
    return Permission & (1 << Gbl.Usrs.Me.Role.Logged);
   }
 
+/*****************************************************************************/
+/***************** Get content type associated to an action ******************/
+/*****************************************************************************/
+
+Act_Content_t Act_GetContentType (Act_Action_t Action)
+  {
+   if (Action < 0 || Action >= Act_NUM_ACTIONS)
+      return Act_CONT_NORM;
+
+   return Act_Actions[Action].ContentType;
+  }
+
+/*****************************************************************************/
+/****************** Get browser tab associated to an action ******************/
+/*****************************************************************************/
+
+Act_BrowserTab_t Act_GetBrowserTab (Act_Action_t Action)
+  {
+   if (Action < 0 || Action >= Act_NUM_ACTIONS)
+      return Act_BRW_UNK_TAB;
+
+   return Act_Actions[Action].BrowserTab;
+  }
+
+/*****************************************************************************/
+/********* Get pointer to function a priori associated to an action **********/
+/*****************************************************************************/
+
+void (*Act_GetFunctionPriori (Act_Action_t Action)) (void)
+  {
+   if (Action < 0 || Action >= Act_NUM_ACTIONS)
+      return NULL;
+
+   return Act_Actions[Action].FunctionPriori;
+  }
+
+/*****************************************************************************/
+/******* Get pointer to function a posteriori associated to an action ********/
+/*****************************************************************************/
+
+void (*Act_GetFunctionPosteriori (Act_Action_t Action)) (void)
+  {
+   if (Action < 0 || Action >= Act_NUM_ACTIONS)
+      return NULL;
+
+   return Act_Actions[Action].FunctionPosteriori;
+  }
+
+/*****************************************************************************/
+/********************** Get icon associated to an action *********************/
+/*****************************************************************************/
+
+const char *Act_GetIcon (Act_Action_t Action)
+  {
+   if (Action < 0 || Action >= Act_NUM_ACTIONS)
+      return NULL;
+
+   return Act_Actions[Action].Icon;
+  }
+
 /*****************************************************************************/
 /******************* Get the title associated to an action *******************/
 /*****************************************************************************/
@@ -4975,13 +5077,11 @@ bool Act_CheckIfIHavePermissionToExecuteAction (Act_Action_t Action)
 const char *Act_GetTitleAction (Act_Action_t Action)
   {
    extern const char *Txt_MENU_TITLE[Tab_NUM_TABS][Act_MAX_OPTIONS_IN_MENU_PER_TAB];
-   Act_Action_t SuperAction;
 
    if (Action < 0 || Action >= Act_NUM_ACTIONS)
       return NULL;
 
-   SuperAction = Act_Actions[Action].SuperAction;
-   return Txt_MENU_TITLE[Act_Actions[SuperAction].Tab][Act_Actions[SuperAction].IndexInMenu];
+   return Txt_MENU_TITLE[Act_GetTab (Action)][Act_GetIndexInMenu (Action)];
   }
 
 /*****************************************************************************/
@@ -4991,13 +5091,11 @@ const char *Act_GetTitleAction (Act_Action_t Action)
 const char *Act_GetSubtitleAction (Act_Action_t Action)
   {
    extern const char *Txt_MENU_SUBTITLE[Tab_NUM_TABS][Act_MAX_OPTIONS_IN_MENU_PER_TAB];
-   Act_Action_t SuperAction;
 
    if (Action < 0 || Action >= Act_NUM_ACTIONS)
       return NULL;
 
-   SuperAction = Act_Actions[Action].SuperAction;
-   return Txt_MENU_SUBTITLE[Act_Actions[SuperAction].Tab][Act_Actions[SuperAction].IndexInMenu];
+   return Txt_MENU_SUBTITLE[Act_GetTab (Action)][Act_GetIndexInMenu (Action)];
   }
 
 /*****************************************************************************/
@@ -5104,7 +5202,7 @@ static void Act_FormStartInternal (Act_Action_t NextAction,bool PutParameterLoca
       if (OnSubmit)
          if (OnSubmit[0])
             fprintf (Gbl.F.Out," onsubmit=\"%s;\"",OnSubmit);
-      switch (Act_Actions[NextAction].BrowserTab)
+      switch (Act_GetBrowserTab (NextAction))
 	{
 	 case Act_BRW_NEW_TAB:
 	 case Act_DOWNLD_FILE:
@@ -5113,7 +5211,7 @@ static void Act_FormStartInternal (Act_Action_t NextAction,bool PutParameterLoca
 	 default:
 	    break;
 	}
-      if (Act_Actions[NextAction].ContentType == Act_CONT_DATA)
+      if (Act_GetContentType (NextAction) == Act_CONT_DATA)
 	 fprintf (Gbl.F.Out," enctype=\"multipart/form-data\"");
       fprintf (Gbl.F.Out," accept-charset=\"windows-1252\">");
 
@@ -5140,7 +5238,7 @@ void Act_SetParamsForm (char *ParamsStr,Act_Action_t NextAction,
    if (NextAction != ActUnk)
       sprintf (ParamAction,"<input type=\"hidden\" name=\"act\""
 	                   " value=\"%ld\" />",
-	       Act_Actions[NextAction].ActCod);
+	       Act_GetActCod (NextAction));
 
    if (Gbl.Session.Id[0])
       sprintf (ParamSession,"<input type=\"hidden\" name=\"ses\""
@@ -5302,7 +5400,7 @@ void Act_AdjustCurrentAction (void)
    bool IAmATeacher;
 
    /***** Don't adjust anything when current action is not a menu option *****/
-   if (Gbl.Action.Act != Act_Actions[Gbl.Action.Act].SuperAction)	// It is not a menu option
+   if (Gbl.Action.Act != Act_GetSuperAction (Gbl.Action.Act))	// It is not a menu option
       return;
 
    /***** Don't adjust anything when refreshing users or on a web service *****/
diff --git a/swad_action.h b/swad_action.h
index 7d0d9b77..8aafd2b3 100644
--- a/swad_action.h
+++ b/swad_action.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
@@ -49,6 +49,7 @@ typedef enum
 
 typedef enum
   {
+   Act_BRW_UNK_TAB,	// Unknown tab
    Act_BRW_1ST_TAB,	// The main (original, first) tab in the browser
    Act_BRW_NEW_TAB,	// A new (second) blank tab in the browser
    Act_BRW_2ND_TAB,	// The second tab in the browser
@@ -1635,8 +1636,8 @@ struct Act_Actions
    unsigned PermissionSys;
    Act_Content_t ContentType;
    Act_BrowserTab_t BrowserTab;
-   void (*FunctionPriori)();
-   void (*FunctionPosteriori)();
+   void (*FunctionPriori) ();
+   void (*FunctionPosteriori) ();
    const char *Icon;
   };
 
@@ -1645,8 +1646,17 @@ struct Act_Actions
 /*****************************************************************************/
 
 Act_Action_t Act_GetActionFromActCod (long ActCod);
-
+long Act_GetActCod (Act_Action_t Action);
+signed int Act_GetIndexInMenu (Act_Action_t Action);
+Tab_Tab_t Act_GetTab (Act_Action_t Action);
+Act_Action_t Act_GetSuperAction (Act_Action_t Action);
 bool Act_CheckIfIHavePermissionToExecuteAction (Act_Action_t Action);
+Act_Content_t Act_GetContentType (Act_Action_t Action);
+Act_BrowserTab_t Act_GetBrowserTab (Act_Action_t Action);
+void (*Act_GetFunctionPriori (Act_Action_t Action)) (void);
+void (*Act_GetFunctionPosteriori (Act_Action_t Action)) (void);
+const char *Act_GetIcon (Act_Action_t Action);
+
 const char *Act_GetTitleAction (Act_Action_t Action);
 const char *Act_GetSubtitleAction (Act_Action_t Action);
 char *Act_GetActionTextFromDB (long ActCod,
diff --git a/swad_agenda.c b/swad_agenda.c
index d6ff7aa5..97bc8214 100644
--- a/swad_agenda.c
+++ b/swad_agenda.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General 3 License as
diff --git a/swad_agenda.h b/swad_agenda.h
index f39588ef..f8b79934 100644
--- a/swad_agenda.h
+++ b/swad_agenda.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_alert.c b/swad_alert.c
index 1edc7558..a25bde56 100644
--- a/swad_alert.c
+++ b/swad_alert.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_alert.h b/swad_alert.h
index 1103c1bc..d37efafe 100644
--- a/swad_alert.h
+++ b/swad_alert.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_announcement.c b/swad_announcement.c
index 47dd1d67..b004f064 100644
--- a/swad_announcement.c
+++ b/swad_announcement.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General 3 License as
diff --git a/swad_announcement.h b/swad_announcement.h
index 214b8efd..e458f4f4 100644
--- a/swad_announcement.h
+++ b/swad_announcement.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_assignment.c b/swad_assignment.c
index a026ff33..1effd344 100644
--- a/swad_assignment.c
+++ b/swad_assignment.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_assignment.h b/swad_assignment.h
index 1e617a15..2acb3ca6 100644
--- a/swad_assignment.h
+++ b/swad_assignment.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_attendance.c b/swad_attendance.c
index 96480408..be4a2b82 100644
--- a/swad_attendance.c
+++ b/swad_attendance.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_attendance.h b/swad_attendance.h
index f44a38f8..7a317442 100644
--- a/swad_attendance.h
+++ b/swad_attendance.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_banner.c b/swad_banner.c
index ebf12d10..4f1ddb2f 100644
--- a/swad_banner.c
+++ b/swad_banner.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_banner.h b/swad_banner.h
index b80ad605..c99c8cec 100644
--- a/swad_banner.h
+++ b/swad_banner.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_box.c b/swad_box.c
index 0960baf8..afcd8cf8 100644
--- a/swad_box.c
+++ b/swad_box.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_box.h b/swad_box.h
index 28657d64..afd96017 100644
--- a/swad_box.h
+++ b/swad_box.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_button.c b/swad_button.c
index 4460e9ba..cef7e72a 100644
--- a/swad_button.c
+++ b/swad_button.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_button.h b/swad_button.h
index 82057c23..31dbab79 100644
--- a/swad_button.h
+++ b/swad_button.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_calendar.c b/swad_calendar.c
index d425700d..6bef4b53 100644
--- a/swad_calendar.c
+++ b/swad_calendar.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_calendar.h b/swad_calendar.h
index 079d1f84..19571f37 100644
--- a/swad_calendar.h
+++ b/swad_calendar.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_centre.c b/swad_centre.c
index 2cd4edd1..16acf476 100644
--- a/swad_centre.c
+++ b/swad_centre.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_centre.h b/swad_centre.h
index 3196ea1b..7f08a739 100644
--- a/swad_centre.h
+++ b/swad_centre.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_changelog.h b/swad_changelog.h
index 09d1d73c..ef39f5b5 100644
--- a/swad_changelog.h
+++ b/swad_changelog.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
@@ -284,6 +284,9 @@ Esto no est
 ----- Mensaje original -----
 Hola Antonio, ya hemos terminado un curso y me piden un control de la asistencia por parte de cada alumno en horas y minutos. ¿Sabes si los puedo visualizar todos sin tener que ir entrando uno por uno?
 Gracias
+
+---
+Una pregunta: hay un calendario que me vendría muy bien poder colorear o remarcar las fechas que dura cada asignatura, ya que son módulos que se van autoevaluando a lo largo del curso,  ¿es posible?  porque he visto que el calendario no es editable,
 */
 // TODO: Check actions table. All actions must be present in table.
 
@@ -293,6 +296,33 @@ Gracias
 
 // TODO: Urgente: Un profesor no puede eliminar archivos de estudiantes de la zona de actividades, ni subir nuevos, mientras está abierta la actividad, pero sí cuando está cerrada. ¿Qué sentido tiene?
 
+// TODO: Suggested by Pablo Merino Ávila: statistics on test exams grouped by tags
+
+// TODO: Suggested by Jesús García Miranda: copiar un fichero syllabus.xml de una asignatura a otra (bajar el fichero y poder importarlo desde otra).
+// ---
+
+// TODO: Sugerencia de David Cabrera Hidalgo: en la descarga de archivos, pulsando el botón del centro del ratón equivale a "abrir en pestaña nueva". Si se usara el método GET se podrían ir abriendo enlaces en otras pestañas para visitarlos posteriormente.
+/*
+Pilar Ossorio Castellanos en OpenSWAD
+Pues tendría que hacer cambios en el programa. Lo anoto como urgente...
+¡Gracias!
+Antonio
+
+----- Mensaje original -----
+Hola Antonio, he ampliado el evento y nos deja comentar. El problema es que el profesor que es tutor del evento es no-editor, y no puede comentar el evento como yo, que si lo soy pero no he participado en el evento.¿cómo podríamos hacer para que ese profesor pudiera comentar, siendo el tutor, pero no siendo editor?
+*/
+
+// TODO: En el maletín cualquiera debería poder hacer un zip de una carpeta, no solo el superusuario
+
+// TODO: Al buscar un profesor deberían salir también las asignaturas en las que es profesor no editor
+// TODO: En el pefil público de un usuario deberían contabilizarse como profesor las asignaturas en las que sea profesor no editor
+
+
+// TODO: Eliminar todas las preguntas de test de un golpe
+// TODO: URGENTE: Cuando se cree un descriptor nuevo TIENE QUE ESTAR INHABILITADO porque si no los alumnos pueden ver el examen (Miguel Damas)
+
+// TODO: URGENTE: No se puede eliminar ni ocultar el enlace "Preparacion terreno_ hoyos._." de la asignatura PLANTACIÓN Y SIEMBRA (código 2165) de OpenSWAD.
+
 /*****************************************************************************/
 /****************************** Public constants *****************************/
 /*****************************************************************************/
@@ -313,6 +343,9 @@ En OpenSWAD:
 ps2pdf source.ps destination.pdf
 */
 /*
+        Version 17.29:    Apr 24, 2018  Code refactoring and bug fixing related to actions. (234579 lines)
+        Version 17.28:    Jan 09, 2018  Added average of all test exams. (? lines)
+        Version 17.27.2:  Dec 20, 2017  Changes displaying a game question. (234507 lines)
         Version 17.27.1:  Dec 20, 2017  Changes in icon to play game. (234484 lines)
         Version 17.27:    Dec 19, 2017  Statistics tab is renamed as Analytics. (234464 lines)
 Copy the following icons to icon public directory:
diff --git a/swad_chat.c b/swad_chat.c
index f518c00d..2370cd58 100644
--- a/swad_chat.c
+++ b/swad_chat.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_chat.h b/swad_chat.h
index 9c989012..b6bde91f 100644
--- a/swad_chat.h
+++ b/swad_chat.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_config.c b/swad_config.c
index 9f952c5b..7db599d5 100644
--- a/swad_config.c
+++ b/swad_config.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General 3 License as
diff --git a/swad_config.h b/swad_config.h
index aa51cdf1..ee74f174 100644
--- a/swad_config.h
+++ b/swad_config.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_connected.c b/swad_connected.c
index 7791a6ea..0d3babdf 100644
--- a/swad_connected.c
+++ b/swad_connected.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
@@ -180,7 +180,6 @@ void Con_ShowLastClicks (void)
 
 void Con_GetAndShowLastClicks (void)
   {
-   extern struct Act_Actions Act_Actions[Act_NUM_ACTIONS];
    extern const char *Txt_Click;
    extern const char *Txt_ELAPSED_TIME;
    extern const char *Txt_Role;
@@ -270,12 +269,12 @@ void Con_GetAndShowLastClicks (void)
       ActCod = Str_ConvertStrCodToLongCod (row[1]);
 
       /* Use a special color for this row depending on the action */
-      ClassRow = (Act_Actions[Act_GetActionFromActCod (ActCod)].BrowserTab == Act_DOWNLD_FILE) ? "DAT_SMALL_YELLOW LEFT_MIDDLE" :
-	         (ActCod == Act_Actions[ActLogIn   ].ActCod ||
-	          ActCod == Act_Actions[ActLogInNew].ActCod) ? "DAT_SMALL_GREEN" :
-                 (ActCod == Act_Actions[ActLogOut  ].ActCod) ? "DAT_SMALL_RED" :
-                 (ActCod == Act_Actions[ActWebSvc  ].ActCod) ? "DAT_SMALL_BLUE" :
-                                                               "DAT_SMALL_GREY";
+      ClassRow = (Act_GetBrowserTab (Act_GetActionFromActCod (ActCod)) == Act_DOWNLD_FILE) ? "DAT_SMALL_YELLOW LEFT_MIDDLE" :
+	         (ActCod == Act_GetActCod (ActLogIn   ) ||
+	          ActCod == Act_GetActCod (ActLogInNew)) ? "DAT_SMALL_GREEN" :
+                 (ActCod == Act_GetActCod (ActLogOut  )) ? "DAT_SMALL_RED" :
+                 (ActCod == Act_GetActCod (ActWebSvc  )) ? "DAT_SMALL_BLUE" :
+                                                           "DAT_SMALL_GREY";
 
       /* Compute elapsed time from last access */
       if (sscanf (row[2],"%ld",&TimeDiff) != 1)
diff --git a/swad_connected.h b/swad_connected.h
index 26e2f993..568b278e 100644
--- a/swad_connected.h
+++ b/swad_connected.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_constant.h b/swad_constant.h
index acbe5586..a1dd5251 100644
--- a/swad_constant.h
+++ b/swad_constant.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_country.c b/swad_country.c
index e85bd931..14b4657e 100644
--- a/swad_country.c
+++ b/swad_country.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
@@ -1216,12 +1216,11 @@ void Cty_WriteSelectorOfCountry (void)
 
 void Cty_WriteCountryName (long CtyCod,const char *ClassLink)
   {
-   extern struct Act_Actions Act_Actions[Act_NUM_ACTIONS];
    char CtyName[Cty_MAX_BYTES_NAME + 1];
    char ActTxt[Act_MAX_BYTES_ACTION_TXT + 1];
    bool PutForm = ClassLink &&
 	          !Gbl.Form.Inside &&						// Only if not inside another form
-                  Act_Actions[Gbl.Action.Act].BrowserTab == Act_BRW_1ST_TAB;	// Only in main browser tab
+                  Act_GetBrowserTab (Gbl.Action.Act) == Act_BRW_1ST_TAB;	// Only in main browser tab
 
    /***** Get country name *****/
    Cty_GetCountryName (CtyCod,CtyName);
@@ -1231,7 +1230,7 @@ void Cty_WriteCountryName (long CtyCod,const char *ClassLink)
       /***** Write country name with link to country information *****/
       Act_FormStart (ActSeeCtyInf);
       Cty_PutParamCtyCod (CtyCod);
-      Act_LinkFormSubmit (Act_GetActionTextFromDB (Act_Actions[ActSeeCtyInf].ActCod,ActTxt),
+      Act_LinkFormSubmit (Act_GetActionTextFromDB (Act_GetActCod (ActSeeCtyInf),ActTxt),
 		          ClassLink,NULL);
       fprintf (Gbl.F.Out,"%s</a>",CtyName);
       Act_FormEnd ();
diff --git a/swad_country.h b/swad_country.h
index bddfd8f2..4b62d150 100644
--- a/swad_country.h
+++ b/swad_country.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_course.c b/swad_course.c
index f31a9d1b..68ab2a69 100644
--- a/swad_course.c
+++ b/swad_course.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
@@ -510,7 +510,6 @@ static void Crs_ShowNumUsrsInCrs (Rol_Role_t Role)
 
 static void Crs_WriteListMyCoursesToSelectOne (void)
   {
-   extern struct Act_Actions Act_Actions[Act_NUM_ACTIONS];
    extern const char *Hlp_PROFILE_Courses;
    extern const char *The_ClassForm[The_NUM_THEMES];
    extern const char *The_ClassFormDark[The_NUM_THEMES];
@@ -596,7 +595,7 @@ static void Crs_WriteListMyCoursesToSelectOne (void)
       Lay_IndentDependingOnLevel (1,IsLastItemInLevel);
       Act_FormStart (ActMyCrs);
       Cty_PutParamCtyCod (Cty.CtyCod);
-      Act_LinkFormSubmit (Act_GetActionTextFromDB (Act_Actions[ActSeeCtyInf].ActCod,ActTxt),
+      Act_LinkFormSubmit (Act_GetActionTextFromDB (Act_GetActCod (ActSeeCtyInf),ActTxt),
 			  Highlight ? ClassHighlight :
         	                      ClassNormal,NULL);
       /* Country map */
@@ -637,7 +636,7 @@ static void Crs_WriteListMyCoursesToSelectOne (void)
 	 Lay_IndentDependingOnLevel (2,IsLastItemInLevel);
          Act_FormStart (ActMyCrs);
 	 Ins_PutParamInsCod (Ins.InsCod);
-	 Act_LinkFormSubmit (Act_GetActionTextFromDB (Act_Actions[ActSeeInsInf].ActCod,ActTxt),
+	 Act_LinkFormSubmit (Act_GetActionTextFromDB (Act_GetActCod (ActSeeInsInf),ActTxt),
 	                     Highlight ? ClassHighlight :
         	                         ClassNormal,NULL);
 	 Log_DrawLogo (Sco_SCOPE_INS,Ins.InsCod,Ins.ShrtName,20,NULL,true);
@@ -670,7 +669,7 @@ static void Crs_WriteListMyCoursesToSelectOne (void)
 	    Lay_IndentDependingOnLevel (3,IsLastItemInLevel);
             Act_FormStart (ActMyCrs);
 	    Ctr_PutParamCtrCod (Ctr.CtrCod);
-	    Act_LinkFormSubmit (Act_GetActionTextFromDB (Act_Actions[ActSeeCtrInf].ActCod,ActTxt),
+	    Act_LinkFormSubmit (Act_GetActionTextFromDB (Act_GetActCod (ActSeeCtrInf),ActTxt),
 	                        Highlight ? ClassHighlight :
         	                            ClassNormal,NULL);
 	    Log_DrawLogo (Sco_SCOPE_CTR,Ctr.CtrCod,Ctr.ShrtName,20,NULL,true);
@@ -703,7 +702,7 @@ static void Crs_WriteListMyCoursesToSelectOne (void)
 	       Lay_IndentDependingOnLevel (4,IsLastItemInLevel);
                Act_FormStart (ActMyCrs);
 	       Deg_PutParamDegCod (Deg.DegCod);
-	       Act_LinkFormSubmit (Act_GetActionTextFromDB (Act_Actions[ActSeeDegInf].ActCod,ActTxt),
+	       Act_LinkFormSubmit (Act_GetActionTextFromDB (Act_GetActCod (ActSeeDegInf),ActTxt),
 	                           Highlight ? ClassHighlight :
         	                               ClassNormal,NULL);
 	       Log_DrawLogo (Sco_SCOPE_DEG,Deg.DegCod,Deg.ShrtName,20,NULL,true);
diff --git a/swad_course.h b/swad_course.h
index d9b057c8..7d820d2d 100644
--- a/swad_course.h
+++ b/swad_course.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_cryptography.c b/swad_cryptography.c
index 3fc2a045..53beffb4 100644
--- a/swad_cryptography.c
+++ b/swad_cryptography.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_cryptography.h b/swad_cryptography.h
index b615c9d7..3e9613f6 100644
--- a/swad_cryptography.h
+++ b/swad_cryptography.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_database.c b/swad_database.c
index 8fb8af89..1787c640 100644
--- a/swad_database.c
+++ b/swad_database.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_database.h b/swad_database.h
index d61c9831..7d64cce0 100644
--- a/swad_database.h
+++ b/swad_database.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_date.c b/swad_date.c
index 7d3604f3..447753d7 100644
--- a/swad_date.c
+++ b/swad_date.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_date.h b/swad_date.h
index 150553a6..d52b9c36 100644
--- a/swad_date.h
+++ b/swad_date.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_degree.c b/swad_degree.c
index d7d919e4..d5c461b6 100644
--- a/swad_degree.c
+++ b/swad_degree.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_degree.h b/swad_degree.h
index 9b73fea5..9c8145ea 100644
--- a/swad_degree.h
+++ b/swad_degree.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_degree_type.c b/swad_degree_type.c
index edb0358f..344af29c 100644
--- a/swad_degree_type.c
+++ b/swad_degree_type.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_degree_type.h b/swad_degree_type.h
index 4bbf8b45..c62f136a 100644
--- a/swad_degree_type.h
+++ b/swad_degree_type.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_department.c b/swad_department.c
index 747e2816..ae57fd31 100644
--- a/swad_department.c
+++ b/swad_department.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_department.h b/swad_department.h
index 3739fb39..b91732ac 100644
--- a/swad_department.h
+++ b/swad_department.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_duplicate.c b/swad_duplicate.c
index 84d4467d..4af9b8d6 100644
--- a/swad_duplicate.c
+++ b/swad_duplicate.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General 3 License as
diff --git a/swad_duplicate.h b/swad_duplicate.h
index 5886eab4..3ba930e6 100644
--- a/swad_duplicate.h
+++ b/swad_duplicate.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_enrolment.c b/swad_enrolment.c
index baec2e69..9d5f8ac3 100644
--- a/swad_enrolment.c
+++ b/swad_enrolment.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General 3 License as
diff --git a/swad_enrolment.h b/swad_enrolment.h
index d22d338c..84b6d8c7 100644
--- a/swad_enrolment.h
+++ b/swad_enrolment.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_exam.h b/swad_exam.h
index d654d8f7..2202be6c 100644
--- a/swad_exam.h
+++ b/swad_exam.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_file.c b/swad_file.c
index a91d6ea0..aa1db9b0 100644
--- a/swad_file.c
+++ b/swad_file.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_file.h b/swad_file.h
index cddab19b..efb1a94a 100644
--- a/swad_file.h
+++ b/swad_file.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_file_browser.c b/swad_file_browser.c
index 78c990bc..7553e95e 100644
--- a/swad_file_browser.c
+++ b/swad_file_browser.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
@@ -8800,7 +8800,6 @@ static void Brw_PutFormToCreateAFolder (const char FileNameToShow[NAME_MAX + 1])
 
 static void Brw_PutFormToUploadFilesUsingDropzone (const char *FileNameToShow)
   {
-   extern struct Act_Actions Act_Actions[Act_NUM_ACTIONS];
    extern const char *Txt_Upload_files;
    extern const char *Txt_or_you_can_upload_new_files_to_the_folder_X;
    extern const char *Txt_Select_one_or_more_files_from_your_computer_or_drag_and_drop_here;
@@ -8829,7 +8828,7 @@ static void Brw_PutFormToUploadFilesUsingDropzone (const char *FileNameToShow)
             Cfg_URL_SWAD_CGI,
             Txt_STR_LANG_ID[Gbl.Prefs.Language],
             Gbl.Prefs.IconsURL);
-   Par_PutHiddenParamLong ("act",Act_Actions[Brw_ActUploadFileDropzone[Gbl.FileBrowser.Type]].ActCod);
+   Par_PutHiddenParamLong ("act",Act_GetActCod (Brw_ActUploadFileDropzone[Gbl.FileBrowser.Type]));
    Par_PutHiddenParamString ("ses",Gbl.Session.Id);
    Brw_PutParamsFileBrowser (Brw_ActUploadFileDropzone[Gbl.FileBrowser.Type],
                              Gbl.FileBrowser.Priv.PathInTreeUntilFilFolLnk,
diff --git a/swad_file_browser.h b/swad_file_browser.h
index 500a2339..e47b14b6 100644
--- a/swad_file_browser.h
+++ b/swad_file_browser.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_follow.c b/swad_follow.c
index 890a6d4c..9a5446fd 100644
--- a/swad_follow.c
+++ b/swad_follow.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General 3 License as
diff --git a/swad_follow.h b/swad_follow.h
index fd2e62fb..1ccdb090 100644
--- a/swad_follow.h
+++ b/swad_follow.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_forum.c b/swad_forum.c
index baacf312..38778e71 100644
--- a/swad_forum.c
+++ b/swad_forum.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
@@ -2059,7 +2059,6 @@ static void For_WriteLinkToForum (struct Forum *Forum,
                                    unsigned Level,
                                    bool IsLastItemInLevel[1 + For_FORUM_MAX_LEVELS])
   {
-   extern struct Act_Actions Act_Actions[Act_NUM_ACTIONS];
    extern const char *The_ClassForm[The_NUM_THEMES];
    extern const char *The_ClassFormBold[The_NUM_THEMES];
    extern const char *Txt_Copy_not_allowed;
@@ -2127,7 +2126,7 @@ static void For_WriteLinkToForum (struct Forum *Forum,
                                 Forum->Location,
                                 -1L,
                                 -1L);
-   Act_LinkFormSubmit (Act_GetActionTextFromDB (Act_Actions[For_ActionsSeeFor[Forum->Type]].ActCod,ActTxt),
+   Act_LinkFormSubmit (Act_GetActionTextFromDB (Act_GetActCod (For_ActionsSeeFor[Forum->Type]),ActTxt),
                        Style,NULL);
    For_SetForumName (Forum,ForumName,Gbl.Prefs.Language,true);
    switch (Forum->Type)
diff --git a/swad_forum.h b/swad_forum.h
index d1efb666..e9d505fe 100644
--- a/swad_forum.h
+++ b/swad_forum.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_game.c b/swad_game.c
index 4b1c5b03..803a4e6a 100644
--- a/swad_game.c
+++ b/swad_game.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
@@ -3608,8 +3608,9 @@ static void Gam_PlayGameShowQuestionAndAnswers (bool ShowAnswers)
    fprintf (Gbl.F.Out,"<div class=\"GAM_PLAY_NUM_QST\">%u</div>",
 	    QstInd + 1);
 
-   /* Write the stem (row[2]) and the image (row[3], row[4], row[5]) */
    fprintf (Gbl.F.Out,"<div class=\"GAM_PLAY_QST_CONTAINER\">");
+
+   /* Write the stem (row[2]) and the image (row[3], row[4], row[5]) */
    Tst_WriteQstStem (row[2],"GAM_PLAY_QST");
    Img_GetImageNameTitleAndURLFromRow (row[3],row[4],row[5],&Gbl.Test.Image);
    Img_ShowImage (&Gbl.Test.Image,
@@ -3630,12 +3631,13 @@ static void Gam_PlayGameShowQuestionAndAnswers (bool ShowAnswers)
       Tst_WriteAnswersGameResult (&Game,QstInd,QstCod,
                                   "GAM_PLAY_QST",false);	// Don't show result
      }
-   fprintf (Gbl.F.Out,"</div>");
+   else
+      fprintf (Gbl.F.Out,"&nbsp;");
 
-   /* End container for number and question */
    fprintf (Gbl.F.Out,"</div>");
 
    /***** Put button to continue *****/
+   fprintf (Gbl.F.Out,"<div class=\"GAM_PLAY_NXT_CONTAINER\">");
    if (ShowAnswers)
      {
       /* Get index of the next question */
@@ -3647,6 +3649,10 @@ static void Gam_PlayGameShowQuestionAndAnswers (bool ShowAnswers)
    else
       /* Put button to show answers */
       Gam_PutBigButtonToContinue (ActPlyGamAns,Game.GamCod,QstInd);
+   fprintf (Gbl.F.Out,"</div>");
+
+   /***** End container for question *****/
+   fprintf (Gbl.F.Out,"</div>");
   }
 
 /*****************************************************************************/
diff --git a/swad_game.h b/swad_game.h
index 045b2c26..21fd03b6 100644
--- a/swad_game.h
+++ b/swad_game.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_global.c b/swad_global.c
index 2f40f297..41fedeed 100644
--- a/swad_global.c
+++ b/swad_global.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
@@ -483,12 +483,11 @@ void Gbl_InitializeGlobals (void)
 
 void Gbl_Cleanup (void)
   {
-   extern struct Act_Actions Act_Actions[Act_NUM_ACTIONS];
    Rol_Role_t Role;
 
    if (!Gbl.Action.UsesAJAX &&
        !Gbl.WebService.IsWebService &&
-       Act_Actions[Gbl.Action.Act].BrowserTab == Act_BRW_1ST_TAB)
+       Act_GetBrowserTab (Gbl.Action.Act) == Act_BRW_1ST_TAB)
       Ses_RemoveHiddenParFromThisSession ();
    Usr_FreeMyCourses ();
    Usr_FreeMyDegrees ();
diff --git a/swad_global.h b/swad_global.h
index 9b1ba5e2..851b8cca 100644
--- a/swad_global.h
+++ b/swad_global.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_group.c b/swad_group.c
index 361ea297..901466a4 100644
--- a/swad_group.c
+++ b/swad_group.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_group.h b/swad_group.h
index 69c99f1d..8a43fa15 100644
--- a/swad_group.h
+++ b/swad_group.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_help.c b/swad_help.c
index 552e8d1c..1145f3e5 100644
--- a/swad_help.c
+++ b/swad_help.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General 3 License as
diff --git a/swad_help.h b/swad_help.h
index 3be41343..f3ee4e92 100644
--- a/swad_help.h
+++ b/swad_help.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_help_URL.c b/swad_help_URL.c
index 3928f527..0456e7ba 100644
--- a/swad_help_URL.c
+++ b/swad_help_URL.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General 3 License as
diff --git a/swad_hierarchy.c b/swad_hierarchy.c
index dbc3cf09..1e866ed8 100644
--- a/swad_hierarchy.c
+++ b/swad_hierarchy.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_hierarchy.h b/swad_hierarchy.h
index fa219e09..43ccf774 100644
--- a/swad_hierarchy.h
+++ b/swad_hierarchy.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_holiday.c b/swad_holiday.c
index 8efd4fa7..0797ef6f 100644
--- a/swad_holiday.c
+++ b/swad_holiday.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_holiday.h b/swad_holiday.h
index e8d8917b..04210016 100644
--- a/swad_holiday.h
+++ b/swad_holiday.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_icon.c b/swad_icon.c
index cfbceacc..bf0e3029 100644
--- a/swad_icon.c
+++ b/swad_icon.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_icon.h b/swad_icon.h
index 21c41290..4f769b04 100644
--- a/swad_icon.h
+++ b/swad_icon.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_image.c b/swad_image.c
index c95eb8ac..10258963 100644
--- a/swad_image.c
+++ b/swad_image.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General 3 License as
diff --git a/swad_image.h b/swad_image.h
index cead624a..c2164482 100644
--- a/swad_image.h
+++ b/swad_image.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_indicator.c b/swad_indicator.c
index 0e7b09cb..3f6af093 100644
--- a/swad_indicator.c
+++ b/swad_indicator.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
@@ -682,7 +682,6 @@ static void Ind_ShowNumCoursesWithIndicators (unsigned NumCrssWithIndicatorYes[1
 static void Ind_ShowTableOfCoursesWithIndicators (Ind_IndicatorsLayout_t IndicatorsLayout,
                                                   unsigned NumCrss,MYSQL_RES *mysql_res)
   {
-   extern struct Act_Actions Act_Actions[Act_NUM_ACTIONS];
    extern const char *Txt_Degree;
    extern const char *Txt_Course;
    extern const char *Txt_Institutional_BR_code;
@@ -715,6 +714,7 @@ static void Ind_ShowTableOfCoursesWithIndicators (Ind_IndicatorsLayout_t Indicat
    unsigned NumStds;
    unsigned NumIndicators;
    struct Ind_IndicatorsCrs Indicators;
+   long ActCod;
 
    /***** Start table *****/
    fprintf (Gbl.F.Out,"<table class=\"INDICATORS\">");
@@ -1003,6 +1003,8 @@ static void Ind_ShowTableOfCoursesWithIndicators (Ind_IndicatorsLayout_t Indicat
 	 /* The number of indicators may have changed */
 	 if (Gbl.Stat.IndicatorsSelected[Indicators.NumIndicators])
 	   {
+            ActCod = Act_GetActCod (ActReqStaCrs);
+
 	    /* Write a row for this course */
 	    switch (IndicatorsLayout)
 	      {
@@ -1077,8 +1079,8 @@ static void Ind_ShowTableOfCoursesWithIndicators (Ind_IndicatorsLayout_t Indicat
 							   "DAT_SMALL_RED"),
 			   Gbl.RowEvenOdd,
 			   row[3],
-			   Gbl.RowEvenOdd,Cfg_URL_SWAD_CGI,CrsCod,Act_Actions[ActReqStaCrs].ActCod,
-					  Cfg_URL_SWAD_CGI,CrsCod,Act_Actions[ActReqStaCrs].ActCod,
+			   Gbl.RowEvenOdd,Cfg_URL_SWAD_CGI,CrsCod,ActCod,
+					  Cfg_URL_SWAD_CGI,CrsCod,ActCod,
 
 			   Indicators.CourseAllOK ? "DAT_SMALL_GREEN" :
 			   (Indicators.CoursePartiallyOK ? "DAT_SMALL" :
@@ -1243,8 +1245,8 @@ static void Ind_ShowTableOfCoursesWithIndicators (Ind_IndicatorsLayout_t Indicat
 							   "DAT_SMALL_RED"),
 			   Gbl.RowEvenOdd,
 			   row[3],
-			   Gbl.RowEvenOdd,Cfg_URL_SWAD_CGI,CrsCod,Act_Actions[ActReqStaCrs].ActCod,
-					  Cfg_URL_SWAD_CGI,CrsCod,Act_Actions[ActReqStaCrs].ActCod,
+			   Gbl.RowEvenOdd,Cfg_URL_SWAD_CGI,CrsCod,ActCod,
+					  Cfg_URL_SWAD_CGI,CrsCod,ActCod,
 
 			   NumTchs != 0 ? "DAT_SMALL_GREEN" :
 					  "DAT_SMALL_RED",
diff --git a/swad_indicator.h b/swad_indicator.h
index 9ddc267d..61986692 100644
--- a/swad_indicator.h
+++ b/swad_indicator.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_info.c b/swad_info.c
index 3b5fe757..a7cfea9e 100644
--- a/swad_info.c
+++ b/swad_info.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_info.h b/swad_info.h
index 818fd47a..9f4602ee 100644
--- a/swad_info.h
+++ b/swad_info.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_institution.c b/swad_institution.c
index 67091cd4..02ecd0be 100644
--- a/swad_institution.c
+++ b/swad_institution.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_institution.h b/swad_institution.h
index b60e99ce..6f6381cb 100644
--- a/swad_institution.h
+++ b/swad_institution.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_language.c b/swad_language.c
index 3b49c345..0f2605c2 100644
--- a/swad_language.c
+++ b/swad_language.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_language.h b/swad_language.h
index 74141dfe..e68b1f70 100644
--- a/swad_language.h
+++ b/swad_language.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_layout.c b/swad_layout.c
index 04d31119..fa66afd8 100644
--- a/swad_layout.c
+++ b/swad_layout.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
@@ -107,7 +107,6 @@ static void Lay_HelpTextEditor (const char *Text,const char *InlineMath,const ch
 
 void Lay_WriteStartOfPage (void)
   {
-   extern struct Act_Actions Act_Actions[Act_NUM_ACTIONS];
    extern const char *Txt_STR_LANG_ID[1 + Txt_NUM_LANGUAGES];
    extern const unsigned Txt_Current_CGI_SWAD_Language;
    extern const char *The_TabOnBgColors[The_NUM_THEMES];
@@ -252,7 +251,7 @@ void Lay_WriteStartOfPage (void)
    fprintf (Gbl.F.Out,"</head>\n");
 
    /***** HTML body *****/
-   if (Act_Actions[Gbl.Action.Act].BrowserTab == Act_BRW_1ST_TAB)
+   if (Act_GetBrowserTab (Gbl.Action.Act) == Act_BRW_1ST_TAB)
       fprintf (Gbl.F.Out,"<body onload=\"init();\">\n"
                          "<div id=\"zoomLyr\" class=\"ZOOM\">"
                          "<img id=\"zoomImg\" src=\"%s/usr_bl.jpg\""
@@ -337,7 +336,7 @@ void Lay_WriteStartOfPage (void)
 
    /* Write title of the current action */
    if (Gbl.Prefs.Menu == Mnu_MENU_VERTICAL &&
-      Act_Actions[Act_Actions[Gbl.Action.Act].SuperAction].IndexInMenu >= 0)
+      Act_GetIndexInMenu (Gbl.Action.Act) >= 0)
       Lay_WriteTitleAction ();
 
    Gbl.Layout.WritingHTMLStart = false;
@@ -389,8 +388,6 @@ void Lay_WriteHTTPStatus204NoContent (void)
 
 static void Lay_WriteEndOfPage (void)
   {
-   extern struct Act_Actions Act_Actions[Act_NUM_ACTIONS];
-
    if (!Gbl.Layout.DivsEndWritten)
      {
       /***** End of central part of main zone *****/
@@ -399,7 +396,7 @@ static void Lay_WriteEndOfPage (void)
 			 "</div>");	// main_zone_central_container
 
       /***** Write page footer *****/
-      if (Act_Actions[Gbl.Action.Act].BrowserTab == Act_BRW_1ST_TAB)
+      if (Act_GetBrowserTab (Gbl.Action.Act) == Act_BRW_1ST_TAB)
          Lay_WriteFootFromHTMLFile ();
 
       /***** End of main zone and page *****/
@@ -443,27 +440,25 @@ static void Lay_WritePageTitle (void)
 
 static void Lay_WriteRedirToMyLangOnLogIn (void)
   {
-   extern struct Act_Actions Act_Actions[Act_NUM_ACTIONS];
    extern const char *Txt_STR_LANG_ID[1 + Txt_NUM_LANGUAGES];
 
    fprintf (Gbl.F.Out,"<meta http-equiv=\"refresh\""
 	              " content=\"0; url='%s/%s?act=%ld&amp;ses=%s'\">",
 	    Cfg_URL_SWAD_CGI,
 	    Txt_STR_LANG_ID[Gbl.Usrs.Me.UsrDat.Prefs.Language],
-	    Act_Actions[ActLogInLan].ActCod,
+	    Act_GetActCod (ActLogInLan),
 	    Gbl.Session.Id);
   }
 
 static void Lay_WriteRedirToMyLangOnViewUsrAgd (void)
   {
-   extern struct Act_Actions Act_Actions[Act_NUM_ACTIONS];
    extern const char *Txt_STR_LANG_ID[1 + Txt_NUM_LANGUAGES];
 
    fprintf (Gbl.F.Out,"<meta http-equiv=\"refresh\""
 	              " content=\"0; url='%s/%s?act=%ld&amp;ses=%s&amp;agd=@%s'\">",
 	    Cfg_URL_SWAD_CGI,
 	    Txt_STR_LANG_ID[Gbl.Usrs.Me.UsrDat.Prefs.Language],
-	    Act_Actions[ActLogInUsrAgdLan].ActCod,
+	    Act_GetActCod (ActLogInUsrAgdLan),
 	    Gbl.Session.Id,
 	    Gbl.Usrs.Other.UsrDat.Nickname);
   }
@@ -474,7 +469,6 @@ static void Lay_WriteRedirToMyLangOnViewUsrAgd (void)
 
 static void Lay_WriteScripts (void)
   {
-   extern struct Act_Actions Act_Actions[Act_NUM_ACTIONS];
    extern const char *Txt_DAYS_CAPS[7];
    extern const char *Txt_DAYS_SMALL[7];
    extern const char *Txt_Exam_of_X;
@@ -724,18 +718,16 @@ static void Lay_WriteScriptInit (void)
 
 static void Lay_WriteScriptParamsAJAX (void)
   {
-   extern struct Act_Actions Act_Actions[Act_NUM_ACTIONS];
-
    /***** Start script *****/
    fprintf (Gbl.F.Out,"<script type=\"text/javascript\">\n");
 
    /***** Parameter to refresh connected users *****/
    fprintf (Gbl.F.Out,"var RefreshParamNxtActCon = \"act=%ld\";\n",
-            Act_Actions[ActRefCon].ActCod);
+            Act_GetActCod (ActRefCon));
 
    /***** Parameter to refresh clicks in realtime *****/
    fprintf (Gbl.F.Out,"var RefreshParamNxtActLog = \"act=%ld\";\n",
-            Act_Actions[ActRefLstClk].ActCod);
+            Act_GetActCod (ActRefLstClk));
 
    /***** Parameters related with expanding/contracting folders in file browsers *****/
    if (Gbl.FileBrowser.Type != Brw_UNKNOWN)
@@ -743,8 +735,8 @@ static void Lay_WriteScriptParamsAJAX (void)
 	 put parameters used by AJAX */
       fprintf (Gbl.F.Out,"var RefreshParamExpand = \"act=%ld\";\n"
 			 "var RefreshParamContract = \"act=%ld\";\n",
-	       Act_Actions[Brw_GetActionExpand ()  ].ActCod,
-	       Act_Actions[Brw_GetActionContract ()].ActCod);
+	       Act_GetActCod (Brw_GetActionExpand ()  ),
+	       Act_GetActCod (Brw_GetActionContract ()));
 
    /***** Parameters related with social timeline refreshing *****/
    switch (Gbl.Action.Act)
@@ -768,8 +760,8 @@ static void Lay_WriteScriptParamsAJAX (void)
 			    "var RefreshParamNxtActOldPub = \"act=%ld\";\n"
 			    "var RefreshParamUsr = \"\";\n"	// No user specified
 			    "var RefreshParamWhichUsrs = \"WhichUsrs=%u\";\n",
-		  Act_Actions[ActRefNewSocPubGbl].ActCod,
-		  Act_Actions[ActRefOldSocPubGbl].ActCod,
+		  Act_GetActCod (ActRefNewSocPubGbl),
+		  Act_GetActCod (ActRefOldSocPubGbl),
 		  (unsigned) Gbl.Social.WhichUsrs);
 	 break;
       case ActSeeOthPubPrf:
@@ -794,7 +786,7 @@ static void Lay_WriteScriptParamsAJAX (void)
 				       Gbl.Usrs.Other.UsrDat.Nickname);
 	 fprintf (Gbl.F.Out,"var RefreshParamNxtActOldPub = \"act=%ld\";\n"
 			    "var RefreshParamUsr = \"OtherUsrCod=%s\";\n",
-		  Act_Actions[ActRefOldSocPubUsr].ActCod,
+		  Act_GetActCod (ActRefOldSocPubUsr),
 		  Gbl.Usrs.Other.UsrDat.EncryptedUsrCod);
 	 break;
       default:
@@ -975,22 +967,20 @@ static void Lay_WriteBreadcrumb (void)
 
 static void Lay_WriteTitleAction (void)
   {
-   extern struct Act_Actions Act_Actions[Act_NUM_ACTIONS];
    extern const char *The_ClassTitleAction[The_NUM_THEMES];
    extern const char *The_ClassSubtitleAction[The_NUM_THEMES];
    extern const char *Txt_TABS_TXT[Tab_NUM_TABS];
-   Act_Action_t SuperAction = Act_Actions[Gbl.Action.Act].SuperAction;
 
    /***** Container start *****/
    fprintf (Gbl.F.Out,"<div id=\"action_title\""
 	              " style=\"background-image:url('%s/%s/%s');\">",
 	    Gbl.Prefs.PathIconSet,Cfg_ICON_ACTION,
-	    Act_Actions[SuperAction].Icon);
+	    Act_GetIcon (Act_GetSuperAction (Gbl.Action.Act)));
 
    /***** Title *****/
    fprintf (Gbl.F.Out,"<div class=\"%s\">%s &gt; %s</div>",
 	    The_ClassTitleAction[Gbl.Prefs.Theme],
-	    Txt_TABS_TXT[Act_Actions[SuperAction].Tab],
+	    Txt_TABS_TXT[Act_GetTab (Gbl.Action.Act)],
 	    Act_GetTitleAction (Gbl.Action.Act));
 
    /***** Subtitle *****/
@@ -1209,8 +1199,6 @@ void Lay_EndSection (void)
 
 void Lay_ShowErrorAndExit (const char *Txt)
   {
-   extern struct Act_Actions Act_Actions[Act_NUM_ACTIONS];
-
    /***** Unlock tables if locked *****/
    if (Gbl.DB.LockedTables)
      {
@@ -1267,7 +1255,7 @@ void Lay_ShowErrorAndExit (const char *Txt)
 	 if (!Gbl.Layout.HTMLEndWritten)
 	   {
 	    // Here Gbl.F.Out is stdout
-	    if (Act_Actions[Gbl.Action.Act].BrowserTab == Act_BRW_1ST_TAB)
+	    if (Act_GetBrowserTab (Gbl.Action.Act) == Act_BRW_1ST_TAB)
 	       Lay_WriteAboutZone ();
 
 	    fprintf (Gbl.F.Out,"</body>\n"
diff --git a/swad_layout.h b/swad_layout.h
index 36a5c593..d6bd9080 100644
--- a/swad_layout.h
+++ b/swad_layout.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_link.c b/swad_link.c
index dcffc762..161cfcee 100644
--- a/swad_link.c
+++ b/swad_link.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_link.h b/swad_link.h
index 74427184..a172ce48 100644
--- a/swad_link.h
+++ b/swad_link.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_logo.c b/swad_logo.c
index cec9c8cd..db94a0c8 100644
--- a/swad_logo.c
+++ b/swad_logo.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General 3 License as
diff --git a/swad_logo.h b/swad_logo.h
index 6c0c1e0e..8abd5267 100644
--- a/swad_logo.h
+++ b/swad_logo.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_mail.c b/swad_mail.c
index 0991c86a..c28635c8 100644
--- a/swad_mail.c
+++ b/swad_mail.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
@@ -364,21 +364,18 @@ static bool Mai_CheckIfMailDomainIsAllowedForNotif (const char MailDomain[Cns_MA
 
 void Mai_WriteWarningEmailNotifications (void)
   {
-   extern struct Act_Actions Act_Actions[Act_NUM_ACTIONS];
    extern const char *Txt_You_can_only_receive_email_notifications_if_;
    extern const char *Txt_TABS_TXT[Tab_NUM_TABS];
    extern const char *Txt_MENU_TITLE[Tab_NUM_TABS][Act_MAX_OPTIONS_IN_MENU_PER_TAB];
    extern const char *Txt_Domains;
-   Act_Action_t SuperActionMyAccount   = Act_Actions[ActFrmMyAcc].SuperAction;
-   Act_Action_t SuperActionMailDomains = Act_Actions[ActSeeMai  ].SuperAction;
-   Tab_Tab_t TabMyAccount   = Act_Actions[SuperActionMyAccount  ].Tab;
-   Tab_Tab_t TabMailDomains = Act_Actions[SuperActionMailDomains].Tab;
+   Tab_Tab_t TabMyAccount   = Act_GetTab (ActFrmMyAcc  );
+   Tab_Tab_t TabMailDomains = Act_GetTab (ActSeeMai);
 
    sprintf (Gbl.Alert.Txt,Txt_You_can_only_receive_email_notifications_if_,
-	    Txt_TABS_TXT[TabMyAccount  ],
-	    Txt_MENU_TITLE[TabMyAccount  ][Act_Actions[SuperActionMyAccount  ].IndexInMenu],
-            Txt_TABS_TXT[TabMailDomains],
-	    Txt_MENU_TITLE[TabMailDomains][Act_Actions[SuperActionMailDomains].IndexInMenu],
+	    Txt_TABS_TXT  [TabMyAccount  ],
+	    Txt_MENU_TITLE[TabMyAccount  ][Act_GetIndexInMenu (ActFrmMyAcc)],
+            Txt_TABS_TXT  [TabMailDomains],
+	    Txt_MENU_TITLE[TabMailDomains][Act_GetIndexInMenu (ActSeeMai  )],
 	    Txt_Domains);
    Ale_ShowAlert (Ale_WARNING,Gbl.Alert.Txt);
   }
@@ -1641,7 +1638,6 @@ void Mai_PutButtonToCheckEmailAddress (void)
 
 bool Mai_SendMailMsgToConfirmEmail (void)
   {
-   extern struct Act_Actions Act_Actions[Act_NUM_ACTIONS];
    extern const char *Txt_If_you_just_request_from_X_the_confirmation_of_your_email_Y_NO_HTML;
    extern const char *Txt_Confirmation_of_your_email_NO_HTML;
    extern const char *Txt_There_was_a_problem_sending_an_email_automatically;
@@ -1662,7 +1658,7 @@ bool Mai_SendMailMsgToConfirmEmail (void)
    fprintf (Gbl.Msg.FileMail,
 	    Txt_If_you_just_request_from_X_the_confirmation_of_your_email_Y_NO_HTML,
 	    Cfg_URL_SWAD_CGI,Gbl.Usrs.Me.UsrDat.Email,
-            Cfg_URL_SWAD_CGI,Act_Actions[ActCnfMai].ActCod,Gbl.UniqueNameEncrypted,
+            Cfg_URL_SWAD_CGI,Act_GetActCod (ActCnfMai),Gbl.UniqueNameEncrypted,
             Cfg_URL_SWAD_CGI);
 
    /* Footer note */
diff --git a/swad_mail.h b/swad_mail.h
index 171c211b..6577f6f3 100644
--- a/swad_mail.h
+++ b/swad_mail.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_main.c b/swad_main.c
index b4c0cc39..ff7f6fe4 100644
--- a/swad_main.c
+++ b/swad_main.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
@@ -69,8 +69,9 @@ extern struct Globals Gbl;
 
 int main (void)
   {
-   extern struct Act_Actions Act_Actions[Act_NUM_ACTIONS];
    extern const char *Txt_You_dont_have_permission_to_perform_this_action;
+   void (*FunctionPriori) (void);
+   void (*FunctionPosteriori) (void);
 
    /*
     "touch swad.lock" in CGI directory if you want to disable SWAD
@@ -121,7 +122,7 @@ int main (void)
 	 Con_RemoveOldConnected ();
 
 	 /***** Get number of sessions *****/
-	 if (Act_Actions[Gbl.Action.Act].BrowserTab == Act_BRW_1ST_TAB)
+	 if (Act_GetBrowserTab (Gbl.Action.Act) == Act_BRW_1ST_TAB)
 	    Ses_GetNumSessions ();
 
 	 /***** Check user and get user's data *****/
@@ -136,10 +137,11 @@ int main (void)
       MFU_UpdateMFUActions ();
 
       /***** Execute a function depending on the action *****/
-      if (Act_Actions[Gbl.Action.Act].FunctionPriori != NULL)
-	 Act_Actions[Gbl.Action.Act].FunctionPriori ();
+      FunctionPriori = Act_GetFunctionPriori (Gbl.Action.Act);
+      if (FunctionPriori != NULL)
+	  FunctionPriori ();
 
-      if (Act_Actions[Gbl.Action.Act].BrowserTab == Act_204_NO_CONT)
+      if (Act_GetBrowserTab (Gbl.Action.Act) == Act_204_NO_CONT)
 	 /***** Write HTTP Status 204 No Content *****/
 	 Lay_WriteHTTPStatus204NoContent ();
 
@@ -147,8 +149,9 @@ int main (void)
       Lay_WriteStartOfPage ();
 
       /***** Make a processing or other depending on the action *****/
-      if (Act_Actions[Gbl.Action.Act].FunctionPosteriori != NULL)
-	 Act_Actions[Gbl.Action.Act].FunctionPosteriori ();
+      FunctionPosteriori = Act_GetFunctionPosteriori (Gbl.Action.Act);
+      if (FunctionPosteriori != NULL)
+	  FunctionPosteriori ();
      }
 
    /***** Cleanup and exit *****/
diff --git a/swad_mark.c b/swad_mark.c
index 1d071d18..cd1e60af 100644
--- a/swad_mark.c
+++ b/swad_mark.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_mark.h b/swad_mark.h
index dd466592..a6a36811 100644
--- a/swad_mark.h
+++ b/swad_mark.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_menu.c b/swad_menu.c
index 980942c5..6cb0f9ec 100644
--- a/swad_menu.c
+++ b/swad_menu.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
@@ -329,7 +329,6 @@ Act_Action_t Mnu_GetFirstActionAvailableInCurrentTab (void)
 
 void Mnu_WriteMenuThisTab (void)
   {
-   extern struct Act_Actions Act_Actions[Act_NUM_ACTIONS];
    extern const char *The_ClassTxtMenuOn[The_NUM_THEMES];
    extern const char *The_ClassTxtMenuOff[The_NUM_THEMES];
    extern const char *Txt_MENU_TITLE[Tab_NUM_TABS][Act_MAX_OPTIONS_IN_MENU_PER_TAB];
@@ -352,7 +351,7 @@ void Mnu_WriteMenuThisTab (void)
          break;
       if (Act_CheckIfIHavePermissionToExecuteAction (NumAct))
         {
-         IsTheSelectedAction = (NumAct == Act_Actions[Gbl.Action.Act].SuperAction);
+         IsTheSelectedAction = (NumAct == Act_GetSuperAction (Gbl.Action.Act));
 
          Title = Act_GetSubtitleAction (NumAct);
 
@@ -374,7 +373,7 @@ void Mnu_WriteMenuThisTab (void)
 	 fprintf (Gbl.F.Out,"<div class=\"MENU_ICO\""
 			    " style=\"background-image:url('%s/%s/%s');\">",
 	          Gbl.Prefs.PathIconSet,Cfg_ICON_ACTION,
-                  Act_Actions[NumAct].Icon);
+                  Act_GetIcon (NumAct));
 
          /***** Text *****/
 	 fprintf (Gbl.F.Out,"<div class=\"MENU_TEXT %s\">"
diff --git a/swad_menu.h b/swad_menu.h
index 28df3077..4d4a9e5a 100644
--- a/swad_menu.h
+++ b/swad_menu.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_message.c b/swad_message.c
index 8dcea61e..c512747b 100644
--- a/swad_message.c
+++ b/swad_message.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
@@ -3278,7 +3278,6 @@ static void Msg_WriteFormToReply (long MsgCod,long CrsCod,
 
 static void Msg_WriteMsgFrom (struct UsrData *UsrDat,bool Deleted)
   {
-   extern struct Act_Actions Act_Actions[Act_NUM_ACTIONS];
    extern const char *Txt_MSG_Sent;
    extern const char *Txt_MSG_Sent_and_deleted;
    extern const char *Txt_ROLES_SINGUL_abc[Rol_NUM_ROLES][Usr_NUM_SEXS];
@@ -3314,7 +3313,7 @@ static void Msg_WriteMsgFrom (struct UsrData *UsrDat,bool Deleted)
    if (UsrDat->UsrCod > 0)
      {
       fprintf (Gbl.F.Out,"%s",UsrDat->FullName);
-      if (Act_Actions[Gbl.Action.Act].SuperAction == ActSeeRcvMsg)
+      if (Act_GetSuperAction (Gbl.Action.Act) == ActSeeRcvMsg)
 	{
          if (Msg_CheckIfUsrIsBanned (UsrDat->UsrCod,Gbl.Usrs.Me.UsrDat.UsrCod))
             // Sender is banned
diff --git a/swad_message.h b/swad_message.h
index 920dc9a3..23fb5552 100644
--- a/swad_message.h
+++ b/swad_message.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_network.c b/swad_network.c
index 4e90cbab..f00b28ad 100644
--- a/swad_network.c
+++ b/swad_network.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_network.h b/swad_network.h
index 289a0b64..cca59b06 100644
--- a/swad_network.h
+++ b/swad_network.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_nickname.c b/swad_nickname.c
index 490b61fd..d1176542 100644
--- a/swad_nickname.c
+++ b/swad_nickname.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_nickname.h b/swad_nickname.h
index 9543bbf8..49f91abb 100644
--- a/swad_nickname.h
+++ b/swad_nickname.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_notice.c b/swad_notice.c
index c9225606..0e921a99 100644
--- a/swad_notice.c
+++ b/swad_notice.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_notice.h b/swad_notice.h
index 28765920..1f0dafc0 100644
--- a/swad_notice.h
+++ b/swad_notice.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_notification.c b/swad_notification.c
index 8ac8189b..69db65b0 100644
--- a/swad_notification.c
+++ b/swad_notification.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_notification.h b/swad_notification.h
index 6b1acc78..dc63723c 100644
--- a/swad_notification.h
+++ b/swad_notification.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_pagination.c b/swad_pagination.c
index 7c4800f6..f6f047be 100644
--- a/swad_pagination.c
+++ b/swad_pagination.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_pagination.h b/swad_pagination.h
index 82ac4daf..e2badf76 100644
--- a/swad_pagination.h
+++ b/swad_pagination.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_parameter.c b/swad_parameter.c
index b3c32e87..cd962db4 100644
--- a/swad_parameter.c
+++ b/swad_parameter.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
@@ -713,8 +713,8 @@ void Par_GetMainParameters (void)
 
    /***** Get action to perform *****/
    ActCod = Par_GetParToLong ("act");
-   if (ActCod < 0)
-      ActCod = Par_GetParToLong ("ActCod");
+   // if (ActCod < 0)
+   //   ActCod = Par_GetParToLong ("ActCod");	// Obsolete, old parameter now replaced by "act"
    if (ActCod >= 0 && ActCod <= Act_MAX_ACTION_COD)
       Gbl.Action.Act = Act_FromActCodToAction[ActCod];
 
diff --git a/swad_parameter.h b/swad_parameter.h
index efb8b016..533ca4d9 100644
--- a/swad_parameter.h
+++ b/swad_parameter.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_password.c b/swad_password.c
index c7234e32..9f020bf4 100644
--- a/swad_password.c
+++ b/swad_password.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_password.h b/swad_password.h
index 2d3b6a84..4adb3aee 100644
--- a/swad_password.h
+++ b/swad_password.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_photo.c b/swad_photo.c
index 801a0558..774671a1 100644
--- a/swad_photo.c
+++ b/swad_photo.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
@@ -1173,12 +1173,12 @@ void Pho_ShowUsrPhoto (const struct UsrData *UsrDat,const char *PhotoURL,
                        const char *ClassPhoto,Pho_Zoom_t Zoom,
                        bool FormUnique)
   {
-   extern struct Act_Actions Act_Actions[Act_NUM_ACTIONS];
    bool PhotoExists;
-   bool PutLinkToPublicProfile = !Gbl.Form.Inside &&						// Only if not inside another form
-                                 Act_Actions[Gbl.Action.Act].BrowserTab == Act_BRW_1ST_TAB;	// Only in main browser tab
-   bool PutZoomCode = Zoom == Pho_ZOOM &&						// Make zoom
-                      Act_Actions[Gbl.Action.Act].BrowserTab == Act_BRW_1ST_TAB;	// Only in main browser tab
+   bool BrowserTabIs1stTab = Act_GetBrowserTab (Gbl.Action.Act) == Act_BRW_1ST_TAB;
+   bool PutLinkToPublicProfile = !Gbl.Form.Inside &&	// Only if not inside another form
+                                 BrowserTabIs1stTab;	// Only in main browser tab
+   bool PutZoomCode = (Zoom == Pho_ZOOM) &&		// Make zoom
+                      BrowserTabIs1stTab;		// Only in main browser tab
    char IdCaption[Act_MAX_BYTES_ID];
 
    /***** Start form to go to public profile *****/
diff --git a/swad_photo.h b/swad_photo.h
index a1dd16b7..92e31e5c 100644
--- a/swad_photo.h
+++ b/swad_photo.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_place.c b/swad_place.c
index a2b04615..294133e6 100644
--- a/swad_place.c
+++ b/swad_place.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_place.h b/swad_place.h
index 1f73083b..c7a6a23a 100644
--- a/swad_place.h
+++ b/swad_place.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_plugin.c b/swad_plugin.c
index 0ec120ac..09bbfcad 100644
--- a/swad_plugin.c
+++ b/swad_plugin.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_plugin.h b/swad_plugin.h
index 257e69a4..93dd0f76 100644
--- a/swad_plugin.h
+++ b/swad_plugin.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_preference.c b/swad_preference.c
index fd7db18d..54612dce 100644
--- a/swad_preference.c
+++ b/swad_preference.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_preference.h b/swad_preference.h
index c90df5d5..8b58186b 100644
--- a/swad_preference.h
+++ b/swad_preference.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_privacy.c b/swad_privacy.c
index 93da349b..509f6ad1 100644
--- a/swad_privacy.c
+++ b/swad_privacy.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_privacy.h b/swad_privacy.h
index 9978b0ef..7d5f75d0 100644
--- a/swad_privacy.h
+++ b/swad_privacy.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_privacy_visibility_type.h b/swad_privacy_visibility_type.h
index 5f4cc05d..56300568 100644
--- a/swad_privacy_visibility_type.h
+++ b/swad_privacy_visibility_type.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_profile.c b/swad_profile.c
index 1f1620b9..74362844 100644
--- a/swad_profile.c
+++ b/swad_profile.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General 3 License as
diff --git a/swad_profile.h b/swad_profile.h
index 62e0b045..568f78f5 100644
--- a/swad_profile.h
+++ b/swad_profile.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_project.c b/swad_project.c
index 89deeb0d..a1f1f090 100644
--- a/swad_project.c
+++ b/swad_project.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_project.h b/swad_project.h
index c6830e5d..09381268 100644
--- a/swad_project.h
+++ b/swad_project.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_record.c b/swad_record.c
index 47f2ff1b..2fe1767c 100644
--- a/swad_record.c
+++ b/swad_record.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
@@ -1689,7 +1689,6 @@ void Rec_UpdateAndShowOtherCrsRecord (void)
 static void Rec_ShowCrsRecord (Rec_CourseRecordViewType_t TypeOfView,
                                struct UsrData *UsrDat,const char *Anchor)
   {
-   extern struct Act_Actions Act_Actions[Act_NUM_ACTIONS];
    extern const char *Hlp_USERS_Students_course_record_card;
    extern const char *The_ClassForm[The_NUM_THEMES];
    extern const char *Txt_You_dont_have_permission_to_perform_this_action;
@@ -1764,7 +1763,7 @@ static void Rec_ShowCrsRecord (Rec_CourseRecordViewType_t TypeOfView,
 	    ICanEdit = true;
 	    Act_FormStartAnchor (ActRcvRecOthUsr,Anchor);
 	    Par_PutHiddenParamLong ("OriginalActCod",
-				    Act_Actions[ActSeeRecSevStd].ActCod);	// Original action, used to know where we came from
+				    Act_GetActCod (ActSeeRecSevStd));	// Original action, used to know where we came from
 	    Usr_PutParamUsrCodEncrypted (UsrDat->EncryptedUsrCod);
 	    if (TypeOfView == Rec_CRS_LIST_SEVERAL_RECORDS)
 	       Usr_PutHiddenParUsrCodAll (ActRcvRecOthUsr,Gbl.Usrs.Select[Rol_UNK]);
@@ -2182,7 +2181,6 @@ void Rec_ShowSharedRecordUnmodifiable (struct UsrData *UsrDat)
 void Rec_ShowSharedUsrRecord (Rec_SharedRecordViewType_t TypeOfView,
                               struct UsrData *UsrDat,const char *Anchor)
   {
-   extern struct Act_Actions Act_Actions[Act_NUM_ACTIONS];
    extern const char *Hlp_USERS_SignUp;
    extern const char *Hlp_PROFILE_Record;
    extern const char *Hlp_SOCIAL_Profiles_view_public_profile;
@@ -2306,7 +2304,7 @@ void Rec_ShowSharedUsrRecord (Rec_SharedRecordViewType_t TypeOfView,
    Rec_RecordHelp[Rec_SHA_RECORD_LIST] = Rec_RecordListHelp[UsrDat->Roles.InCurrentCrs.Role];
 
    PutFormLinks = !Gbl.Form.Inside &&						// Only if not inside another form
-                  Act_Actions[Gbl.Action.Act].BrowserTab == Act_BRW_1ST_TAB;	// Only in main browser tab
+                  Act_GetBrowserTab (Gbl.Action.Act) == Act_BRW_1ST_TAB;	// Only in main browser tab
 
    Ins.InsCod = UsrDat->InsCod;
    if (Ins.InsCod > 0)
@@ -2531,7 +2529,6 @@ void Rec_ShowSharedUsrRecord (Rec_SharedRecordViewType_t TypeOfView,
 
 static void Rec_PutIconsCommands (void)
   {
-   extern struct Act_Actions Act_Actions[Act_NUM_ACTIONS];
    extern const char *Txt_Edit_my_personal_data;
    extern const char *Txt_My_public_profile;
    extern const char *Txt_Another_user_s_profile;
@@ -2550,9 +2547,9 @@ static void Rec_PutIconsCommands (void)
    bool ICanViewUsrProfile;
    Act_Action_t NextAction;
 
-   if (!Gbl.Form.Inside &&						// Only if not inside another form
-       Act_Actions[Gbl.Action.Act].BrowserTab == Act_BRW_1ST_TAB &&	// Only in main browser tab
-       Gbl.Usrs.Me.Logged)						// Only if I am logged
+   if (!Gbl.Form.Inside &&					// Only if not inside another form
+       Act_GetBrowserTab (Gbl.Action.Act) == Act_BRW_1ST_TAB &&	// Only in main browser tab
+       Gbl.Usrs.Me.Logged)					// Only if I am logged
      {
       ICanViewUsrProfile = Pri_ShowingIsAllowed (Gbl.Record.UsrDat->ProfileVisibility,
 				                 Gbl.Record.UsrDat);
diff --git a/swad_record.h b/swad_record.h
index c387744d..265d47eb 100644
--- a/swad_record.h
+++ b/swad_record.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_report.c b/swad_report.c
index 9736dbd3..ff877178 100644
--- a/swad_report.c
+++ b/swad_report.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General 3 License as
@@ -757,7 +757,6 @@ static void Rep_WriteSectionGlobalHits (struct Rep_Report *Report)
 
 static void Rep_WriteSectionHitsPerAction (struct Rep_Report *Report)
   {
-   extern struct Act_Actions Act_Actions[Act_NUM_ACTIONS];
    extern Act_Action_t Act_FromActCodToAction[1 + Act_MAX_ACTION_COD];
    extern const char *Txt_Hits_per_action;
    extern const char *Txt_TABS_TXT[Tab_NUM_TABS];
@@ -769,7 +768,6 @@ static void Rep_WriteSectionHitsPerAction (struct Rep_Report *Report)
    unsigned long NumRow;
    long ActCod;
    Act_Action_t Action;
-   Act_Action_t SuperAction;
    Tab_Tab_t Tab;
    char ActTxt[Act_MAX_BYTES_ACTION_TXT + 1];
    unsigned long NumClicks;
@@ -816,8 +814,7 @@ static void Rep_WriteSectionHitsPerAction (struct Rep_Report *Report)
 	 Action = Act_FromActCodToAction[ActCod];
 	 if (Action >= 0)
 	   {
-	    SuperAction = Act_Actions[Action].SuperAction;
-	    Tab = Act_Actions[SuperAction].Tab;
+	    Tab = Act_GetTab (Act_GetSuperAction (Action));
 	    if (Txt_TABS_TXT[Tab])
 	       fprintf (Gbl.F.Rep,"%s &gt; ",Txt_TABS_TXT[Tab]);
 	   }
diff --git a/swad_report.h b/swad_report.h
index 1702de82..e5df52d0 100644
--- a/swad_report.h
+++ b/swad_report.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_role.c b/swad_role.c
index 59381bb5..a49bebb2 100644
--- a/swad_role.c
+++ b/swad_role.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General 3 License as
diff --git a/swad_role.h b/swad_role.h
index 90f395a8..d0a9a26a 100644
--- a/swad_role.h
+++ b/swad_role.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_role_type.h b/swad_role_type.h
index ded1cdd8..0719dcd5 100644
--- a/swad_role_type.h
+++ b/swad_role_type.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_scope.c b/swad_scope.c
index 0ddf6681..14d3cdf5 100644
--- a/swad_scope.c
+++ b/swad_scope.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General 3 License as
diff --git a/swad_scope.h b/swad_scope.h
index 2f7b5440..f3199301 100644
--- a/swad_scope.h
+++ b/swad_scope.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_search.c b/swad_search.c
index ac7def68..92fec87b 100644
--- a/swad_search.c
+++ b/swad_search.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General 3 License as
diff --git a/swad_search.h b/swad_search.h
index 9d6e369f..69e73481 100644
--- a/swad_search.h
+++ b/swad_search.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_session.c b/swad_session.c
index 584deb1f..7fbefc8e 100644
--- a/swad_session.c
+++ b/swad_session.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
@@ -348,7 +348,6 @@ bool Ses_GetSessionData (void)
 void Ses_InsertHiddenParInDB (Act_Action_t NextAction,
                               const char *ParamName,const char *ParamValue)
   {
-   extern struct Act_Actions Act_Actions[Act_NUM_ACTIONS];
    char *Query;
    size_t LengthParamName;
    size_t LengthParamValue;
@@ -381,7 +380,7 @@ void Ses_InsertHiddenParInDB (Act_Action_t NextAction,
 			   " VALUES"
 			   " ('%s',%ld,'%s','%s')",
 		     Gbl.Session.Id,
-		     Act_Actions[NextAction].ActCod,
+		     Act_GetActCod (NextAction),
 		     ParamName,
 		     LengthParamValue ? ParamValue :
 					"");
@@ -433,13 +432,12 @@ void Ses_RemoveHiddenParFromExpiredSessions (void)
 static bool Ses_CheckIfHiddenParIsAlreadyInDB (Act_Action_t NextAction,
                                                const char *ParamName)
   {
-   extern struct Act_Actions Act_Actions[Act_NUM_ACTIONS];
    char Query[512 + Ses_BYTES_SESSION_ID];
 
    /***** Get a hidden parameter from database *****/
    sprintf (Query,"SELECT COUNT(*) FROM hidden_params"
                   " WHERE SessionId='%s' AND Action=%ld AND ParamName='%s'",
-            Gbl.Session.Id,Act_Actions[NextAction].ActCod,ParamName);
+            Gbl.Session.Id,Act_GetActCod (NextAction),ParamName);
    return (DB_QueryCOUNT (Query,"can not check if a hidden parameter is already in database") != 0);
   }
 
@@ -452,7 +450,6 @@ unsigned Ses_GetHiddenParFromDB (Act_Action_t NextAction,
                                  const char *ParamName,char *ParamValue,
                                  size_t MaxBytes)
   {
-   extern struct Act_Actions Act_Actions[Act_NUM_ACTIONS];
    char Query[512 + Ses_BYTES_SESSION_ID];
    MYSQL_RES *mysql_res;
    MYSQL_ROW row;
@@ -467,7 +464,7 @@ unsigned Ses_GetHiddenParFromDB (Act_Action_t NextAction,
       /***** Get a hidden parameter from database *****/
       sprintf (Query,"SELECT ParamValue FROM hidden_params"
                      " WHERE SessionId='%s' AND Action=%ld AND ParamName='%s'",
-               Gbl.Session.Id,Act_Actions[NextAction].ActCod,ParamName);
+               Gbl.Session.Id,Act_GetActCod (NextAction),ParamName);
       NumRows = DB_QuerySELECT (Query,&mysql_res,"can not get a hidden parameter");
 
       /***** Check if the parameter is found in database *****/
diff --git a/swad_session.h b/swad_session.h
index 7175f2a1..c76caea4 100644
--- a/swad_session.h
+++ b/swad_session.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_setup.c b/swad_setup.c
index 44095f16..255d843e 100644
--- a/swad_setup.c
+++ b/swad_setup.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_setup.h b/swad_setup.h
index 674a6025..be66294e 100644
--- a/swad_setup.h
+++ b/swad_setup.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_social.c b/swad_social.c
index 1353428d..21141486 100644
--- a/swad_social.c
+++ b/swad_social.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General 3 License as
diff --git a/swad_social.h b/swad_social.h
index 0cd1d10c..752014ab 100644
--- a/swad_social.h
+++ b/swad_social.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_statistic.c b/swad_statistic.c
index 69d482ce..6c71fec7 100644
--- a/swad_statistic.c
+++ b/swad_statistic.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
@@ -279,10 +279,10 @@ void Sta_GetRemoteAddr (void)
 
 void Sta_LogAccess (const char *Comments)
   {
-   extern struct Act_Actions Act_Actions[Act_NUM_ACTIONS];
    char Query[Sta_MAX_BYTES_QUERY_LOG +
               Sch_MAX_BYTES_STRING_TO_FIND + 1];
    long LogCod;
+   long ActCod = Act_GetActCod (Gbl.Action.Act);
    Rol_Role_t RoleToStore = (Gbl.Action.Act == ActLogOut) ? Gbl.Usrs.Me.Role.LoggedBeforeCloseSession :
                                                             Gbl.Usrs.Me.Role.Logged;
 
@@ -294,7 +294,7 @@ void Sta_LogAccess (const char *Comments)
                   " VALUES "
                   "(%ld,%ld,%ld,%ld,%ld,%ld,%ld,"
                   "%u,NOW(),%ld,%ld,'%s')",
-            Act_Actions[Gbl.Action.Act].ActCod,
+            ActCod,
             Gbl.CurrentCty.Cty.CtyCod,
             Gbl.CurrentIns.Ins.InsCod,
             Gbl.CurrentCtr.Ctr.CtrCod,
@@ -321,7 +321,7 @@ void Sta_LogAccess (const char *Comments)
                   " VALUES "
                   "(%ld,%ld,%ld,%ld,%ld,%ld,%ld,%ld,"
                   "%u,NOW(),%ld,%ld,'%s')",
-            LogCod,Act_Actions[Gbl.Action.Act].ActCod,
+            LogCod,ActCod,
             Gbl.CurrentCty.Cty.CtyCod,
             Gbl.CurrentIns.Ins.InsCod,
             Gbl.CurrentCtr.Ctr.CtrCod,
@@ -801,12 +801,10 @@ static void Sta_WriteSelectorCountType (void)
 
 static void Sta_WriteSelectorAction (void)
   {
-   extern struct Act_Actions Act_Actions[Act_NUM_ACTIONS];
    extern const char *The_ClassForm[The_NUM_THEMES];
    extern const char *Txt_Action;
    extern const char *Txt_TABS_TXT[Tab_NUM_TABS];
    Act_Action_t Action;
-   Act_Action_t SuperAction;
    Tab_Tab_t Tab;
    char ActTxt[Act_MAX_BYTES_ACTION_TXT + 1];
 
@@ -828,12 +826,11 @@ static void Sta_WriteSelectorAction (void)
       fprintf (Gbl.F.Out,">");
       if (Action)
          fprintf (Gbl.F.Out,"%u: ",(unsigned) Action);
-      SuperAction = Act_Actions[Action].SuperAction;
-      Tab = Act_Actions[SuperAction].Tab;
+      Tab = Act_GetTab (Act_GetSuperAction (Action));
       if (Txt_TABS_TXT[Tab])
          fprintf (Gbl.F.Out,"%s &gt; ",Txt_TABS_TXT[Tab]);
       fprintf (Gbl.F.Out,"%s",
-               Act_GetActionTextFromDB (Act_Actions[Action].ActCod,ActTxt));
+               Act_GetActionTextFromDB (Act_GetActCod (Action),ActTxt));
      }
 
    fprintf (Gbl.F.Out,"</select>"
@@ -876,7 +873,6 @@ void Sta_SeeCrsAccesses (void)
 
 static void Sta_ShowHits (Sta_GlobalOrCourseAccesses_t GlobalOrCourse)
   {
-   extern struct Act_Actions Act_Actions[Act_NUM_ACTIONS];
    extern const char *Txt_You_must_select_one_ore_more_users;
    extern const char *Txt_There_is_no_knowing_how_many_users_not_logged_have_accessed;
    extern const char *Txt_The_date_range_must_be_less_than_or_equal_to_X_days;
@@ -1365,7 +1361,7 @@ static void Sta_ShowHits (Sta_GlobalOrCourseAccesses_t GlobalOrCourse)
    if (Gbl.Stat.NumAction != ActAll)
      {
       sprintf (QueryAux," AND %s.ActCod=%ld",
-               LogTable,Act_Actions[Gbl.Stat.NumAction].ActCod);
+               LogTable,Act_GetActCod (Gbl.Stat.NumAction));
       Str_Concat (Query,QueryAux,
                   Sta_MAX_BYTES_QUERY_ACCESS);
      }
diff --git a/swad_statistic.h b/swad_statistic.h
index 3520e295..5eb931af 100644
--- a/swad_statistic.h
+++ b/swad_statistic.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_string.c b/swad_string.c
index 39e555e7..6e735094 100644
--- a/swad_string.c
+++ b/swad_string.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_string.h b/swad_string.h
index 5c8dfce7..f6b2f022 100644
--- a/swad_string.h
+++ b/swad_string.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_survey.c b/swad_survey.c
index 3c50b7cb..706d010d 100644
--- a/swad_survey.c
+++ b/swad_survey.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_survey.h b/swad_survey.h
index 9f991b96..2a7052ad 100644
--- a/swad_survey.h
+++ b/swad_survey.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_syllabus.c b/swad_syllabus.c
index be323acd..cf05d9b5 100644
--- a/swad_syllabus.c
+++ b/swad_syllabus.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_syllabus.h b/swad_syllabus.h
index 764dd49b..df28c524 100644
--- a/swad_syllabus.h
+++ b/swad_syllabus.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_tab.c b/swad_tab.c
index 8df2f854..e1f3050e 100644
--- a/swad_tab.c
+++ b/swad_tab.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
@@ -204,9 +204,9 @@ static bool Tab_CheckIfICanViewTab (Tab_Tab_t Tab)
 
 void Tab_DrawBreadcrumb (void)
   {
-   extern struct Act_Actions Act_Actions[Act_NUM_ACTIONS];
    extern const char *The_TabOnBgColors[The_NUM_THEMES];
    extern const char *The_ClassTxtTabOn[The_NUM_THEMES];
+   signed int IndexInMenu;
 
    fprintf (Gbl.F.Out,"<div id=\"breadcrumb_container\" class=\"%s\">",
 	    The_TabOnBgColors[Gbl.Prefs.Theme]);
@@ -214,15 +214,15 @@ void Tab_DrawBreadcrumb (void)
    /***** Home *****/
    Tab_WriteBreadcrumbHome ();
 
-   if (Gbl.Action.Act == ActMnu ||
-       Act_Actions[Act_Actions[Gbl.Action.Act].SuperAction].IndexInMenu >= 0)
+   IndexInMenu = Act_GetIndexInMenu (Gbl.Action.Act);
+   if (Gbl.Action.Act == ActMnu || IndexInMenu >= 0)
      {
       /***** Tab *****/
       fprintf (Gbl.F.Out,"<span class=\"%s\"> &gt; </span>",
                The_ClassTxtTabOn[Gbl.Prefs.Theme]);
       Tab_WriteBreadcrumbTab ();
 
-      if (Act_Actions[Act_Actions[Gbl.Action.Act].SuperAction].IndexInMenu >= 0)
+      if (IndexInMenu >= 0)
         {
          /***** Menu *****/
          fprintf (Gbl.F.Out,"<span class=\"%s\"> &gt; </span>",
@@ -275,12 +275,11 @@ static void Tab_WriteBreadcrumbTab (void)
 
 static void Tab_WriteBreadcrumbAction (void)
   {
-   extern struct Act_Actions Act_Actions[Act_NUM_ACTIONS];
    extern const char *The_ClassTxtTabOn[The_NUM_THEMES];
    const char *Title = Act_GetTitleAction (Gbl.Action.Act);
 
    /***** Start form *****/
-   Act_FormStart (Act_Actions[Gbl.Action.Act].SuperAction);
+   Act_FormStart (Act_GetSuperAction (Gbl.Action.Act));
    Act_LinkFormSubmit (Title,The_ClassTxtTabOn[Gbl.Prefs.Theme],NULL);
 
    /***** Title and end form *****/
@@ -295,11 +294,7 @@ static void Tab_WriteBreadcrumbAction (void)
 
 void Tab_SetCurrentTab (void)
   {
-   extern struct Act_Actions Act_Actions[Act_NUM_ACTIONS];
-   Act_Action_t SuperAction;
-
-   SuperAction = Act_Actions[Gbl.Action.Act].SuperAction;
-   Gbl.Action.Tab = Act_Actions[SuperAction].Tab;
+   Gbl.Action.Tab = Act_GetTab (Gbl.Action.Act);
 
    /***** Change action and tab if country, institution, centre or degree
           are incompatible with the current tab *****/
@@ -346,8 +341,7 @@ void Tab_SetCurrentTab (void)
          break;
      }
 
-   SuperAction = Act_Actions[Gbl.Action.Act].SuperAction;
-   Gbl.Action.Tab = Act_Actions[SuperAction].Tab;
+   Gbl.Action.Tab = Act_GetTab (Act_GetSuperAction (Gbl.Action.Act));
 
    Tab_DisableIncompatibleTabs ();
   }
diff --git a/swad_tab.h b/swad_tab.h
index e1a13b18..1f62ff91 100644
--- a/swad_tab.h
+++ b/swad_tab.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_table.c b/swad_table.c
index 3cec4af5..97ea5d81 100644
--- a/swad_table.c
+++ b/swad_table.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_table.h b/swad_table.h
index 1fab7af8..2c462e2a 100644
--- a/swad_table.h
+++ b/swad_table.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_test.c b/swad_test.c
index c76a2de3..f8345e65 100644
--- a/swad_test.c
+++ b/swad_test.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
@@ -284,9 +284,14 @@ static void Tst_StoreScoreOfTestResultInDB (long TstCod,
                                           unsigned NumQstsNotBlank,double Score);
 static void Tst_ShowHeaderTestResults (void);
 static void Tst_ShowTestResults (struct UsrData *UsrDat);
-static void Tst_ShowDataUsr (struct UsrData *UsrDat,unsigned NumTestResults);
+static void Tst_ShowDataUsr (struct UsrData *UsrDat,unsigned NumExams);
 static void Tst_PutParamTstCod (long TstCod);
 static long Tst_GetParamTstCod (void);
+static void Tst_ShowTestResultsSummaryRow (bool ItsMe,
+                                           unsigned NumExams,
+                                           unsigned NumTotalQsts,
+                                           unsigned NumTotalQstsNotBlank,
+                                           double TotalScoreOfAllTests);
 static void Tst_ShowTestResult (time_t TstTimeUTC);
 static void Tst_GetTestResultDataByTstCod (long TstCod,time_t *TstTimeUTC,
                                            unsigned *NumQsts,unsigned *NumQstsNotBlank,double *Score);
@@ -565,7 +570,7 @@ void Tst_AssessTest (void)
 	 Tbl_EndTable ();
 
 	 /***** Write total mark of test *****/
-	 if (Gbl.Test.Config.FeedbackType != Tst_FEEDBACK_NOTHING)
+	 if (Gbl.Test.Config.Feedback != Tst_FEEDBACK_NOTHING)
 	    Tst_ShowTstTotalMark (TotalScore);
 
 	 /***** End box *****/
@@ -1033,7 +1038,7 @@ void Tst_WriteQstAndAnsTest (Tst_ActionToDoWithQuestions_t ActionToDoWithQuestio
 	 Tst_WriteAnswersTestResult (NumQst,QstCod,ScoreThisQst,AnswerIsNotBlank);
 
 	 /* Write question feedback (row[5]) */
-	 if (Gbl.Test.Config.FeedbackType == Tst_FEEDBACK_FULL_FEEDBACK)
+	 if (Gbl.Test.Config.Feedback == Tst_FEEDBACK_FULL_FEEDBACK)
 	    Tst_WriteQstFeedback (row[5],"TEST_EXA_LIGHT");
 	 break;
       case Tst_EDIT_TEST:
@@ -1923,7 +1928,7 @@ static void Tst_ShowFormConfigTst (void)
    extern const char *Txt_TST_STR_FEEDBACK[Tst_NUM_TYPES_FEEDBACK];
    extern const char *Txt_Save;
    Tst_Pluggable_t Pluggable;
-   Tst_Feedback_t FeedbTyp;
+   Tst_Feedback_t Feedback;
 
    /***** Read test configuration from database *****/
    Tst_GetConfigTstFromDB ();
@@ -2005,19 +2010,19 @@ static void Tst_ShowFormConfigTst (void)
 	              "</td>"
 	              "<td class=\"LEFT_BOTTOM\">",
             The_ClassForm[Gbl.Prefs.Theme],Txt_Feedback_to_students);
-   for (FeedbTyp = (Tst_Feedback_t) 0;
-	FeedbTyp < Tst_NUM_TYPES_FEEDBACK;
-	FeedbTyp++)
+   for (Feedback = (Tst_Feedback_t) 0;
+	Feedback < Tst_NUM_TYPES_FEEDBACK;
+	Feedback++)
      {
       fprintf (Gbl.F.Out,"<label class=\"DAT\">"
 	                 "<input type=\"radio\" name=\"Feedback\" value=\"%u\"",
-	       (unsigned) FeedbTyp);
-      if (FeedbTyp == Gbl.Test.Config.FeedbackType)
+	       (unsigned) Feedback);
+      if (Feedback == Gbl.Test.Config.Feedback)
          fprintf (Gbl.F.Out," checked=\"checked\"");
       fprintf (Gbl.F.Out," />"
 	                 "%s"
 	                 "</label><br />",
-               Txt_TST_STR_FEEDBACK[FeedbTyp]);
+               Txt_TST_STR_FEEDBACK[Feedback]);
      }
    fprintf (Gbl.F.Out,"</td>"
 	              "</tr>");
@@ -2073,7 +2078,7 @@ static void Tst_GetConfigTstFromDB (void)
             Gbl.CurrentCrs.Crs.CrsCod);
    NumRows = DB_QuerySELECT (Query,&mysql_res,"can not get configuration of test");
 
-   Gbl.Test.Config.FeedbackType = Tst_FEEDBACK_DEFAULT;
+   Gbl.Test.Config.Feedback = Tst_FEEDBACK_DEFAULT;
    Gbl.Test.Config.MinTimeNxtTstPerQst = 0UL;
    if (NumRows == 0)
      {
@@ -2102,7 +2107,7 @@ void Tst_GetConfigFromRow (MYSQL_ROW row)
    int IntNum;
    long LongNum;
    Tst_Pluggable_t Pluggable;
-   Tst_Feedback_t FeedbTyp;
+   Tst_Feedback_t Feedback;
 
    /***** Get whether test are visible via plugins or not *****/
    Gbl.Test.Config.Pluggable = Tst_PLUGGABLE_UNKNOWN;
@@ -2143,12 +2148,12 @@ void Tst_GetConfigFromRow (MYSQL_ROW row)
 	                                                     (unsigned long) LongNum;
 
    /***** Get feedback type (row[5]) *****/
-   for (FeedbTyp = (Tst_Feedback_t) 0;
-	FeedbTyp < Tst_NUM_TYPES_FEEDBACK;
-	FeedbTyp++)
-      if (!strcmp (row[5],Tst_FeedbackDB[FeedbTyp]))
+   for (Feedback = (Tst_Feedback_t) 0;
+	Feedback < Tst_NUM_TYPES_FEEDBACK;
+	Feedback++)
+      if (!strcmp (row[5],Tst_FeedbackDB[Feedback]))
         {
-         Gbl.Test.Config.FeedbackType = FeedbTyp;
+         Gbl.Test.Config.Feedback = Feedback;
          break;
         }
   }
@@ -2244,7 +2249,7 @@ void Tst_ReceiveConfigTst (void)
                                                                    0);
 
    /***** Get type of feedback from form *****/
-   Gbl.Test.Config.FeedbackType = Tst_GetFeedbackTypeFromForm ();
+   Gbl.Test.Config.Feedback = Tst_GetFeedbackTypeFromForm ();
 
    /***** Update database *****/
    sprintf (Query,"REPLACE INTO tst_config"
@@ -2255,7 +2260,7 @@ void Tst_ReceiveConfigTst (void)
             Tst_PluggableDB[Gbl.Test.Config.Pluggable],
             Gbl.Test.Config.Min,Gbl.Test.Config.Def,Gbl.Test.Config.Max,
             Gbl.Test.Config.MinTimeNxtTstPerQst,
-            Tst_FeedbackDB[Gbl.Test.Config.FeedbackType]);
+            Tst_FeedbackDB[Gbl.Test.Config.Feedback]);
    DB_QueryREPLACE (Query,"can not save configuration of tests");
 
    /***** Show confirmation message *****/
@@ -3656,8 +3661,8 @@ static void Tst_WriteTFAnsAssessTest (unsigned NumQst,MYSQL_RES *mysql_res,
    /***** Write the user answer *****/
    fprintf (Gbl.F.Out,"<tr>"
 	              "<td class=\"%s CENTER_MIDDLE\">",
-            (Gbl.Test.Config.FeedbackType == Tst_FEEDBACK_EACH_GOOD_BAD ||
-             Gbl.Test.Config.FeedbackType == Tst_FEEDBACK_FULL_FEEDBACK) ?
+            (Gbl.Test.Config.Feedback == Tst_FEEDBACK_EACH_GOOD_BAD ||
+             Gbl.Test.Config.Feedback == Tst_FEEDBACK_FULL_FEEDBACK) ?
             (AnsTF == row[1][0] ? "ANS_OK" :
         	                  "ANS_BAD") :
             "ANS");
@@ -3666,8 +3671,8 @@ static void Tst_WriteTFAnsAssessTest (unsigned NumQst,MYSQL_RES *mysql_res,
 
    /***** Write the correct answer *****/
    fprintf (Gbl.F.Out,"<td class=\"ANS CENTER_MIDDLE\">");
-   if (Gbl.Test.Config.FeedbackType == Tst_FEEDBACK_EACH_GOOD_BAD ||
-       Gbl.Test.Config.FeedbackType == Tst_FEEDBACK_FULL_FEEDBACK)
+   if (Gbl.Test.Config.Feedback == Tst_FEEDBACK_EACH_GOOD_BAD ||
+       Gbl.Test.Config.Feedback == Tst_FEEDBACK_FULL_FEEDBACK)
       Tst_WriteAnsTF (row[1][0]);
    else
       fprintf (Gbl.F.Out,"?");
@@ -3675,9 +3680,9 @@ static void Tst_WriteTFAnsAssessTest (unsigned NumQst,MYSQL_RES *mysql_res,
 	              "</tr>");
 
    /***** Write the mark *****/
-   if (Gbl.Test.Config.FeedbackType == Tst_FEEDBACK_EACH_RESULT ||
-       Gbl.Test.Config.FeedbackType == Tst_FEEDBACK_EACH_GOOD_BAD ||
-       Gbl.Test.Config.FeedbackType == Tst_FEEDBACK_FULL_FEEDBACK)
+   if (Gbl.Test.Config.Feedback == Tst_FEEDBACK_EACH_RESULT ||
+       Gbl.Test.Config.Feedback == Tst_FEEDBACK_EACH_GOOD_BAD ||
+       Gbl.Test.Config.Feedback == Tst_FEEDBACK_FULL_FEEDBACK)
      {
       Tst_WriteScoreStart (2);
       if (AnsTF == '\0')		// If user has omitted the answer
@@ -3852,7 +3857,7 @@ static void Tst_WriteChoiceAnsAssessTest (unsigned NumQst,MYSQL_RES *mysql_res,
 
       /***** Copy answer feedback (row[2]) and convert it,
              that is in HTML, to rigorous HTML ******/
-      if (Gbl.Test.Config.FeedbackType == Tst_FEEDBACK_FULL_FEEDBACK)
+      if (Gbl.Test.Config.Feedback == Tst_FEEDBACK_FULL_FEEDBACK)
 	 if (row[2])
 	    if (row[2][0])
 	      {
@@ -3919,8 +3924,8 @@ static void Tst_WriteChoiceAnsAssessTest (unsigned NumQst,MYSQL_RES *mysql_res,
                             " alt=\"%s\" title=\"%s\""
                             " class=\"ICO20x20\" />",
                   Gbl.Prefs.IconsURL,
-                  (Gbl.Test.Config.FeedbackType == Tst_FEEDBACK_EACH_GOOD_BAD ||
-                   Gbl.Test.Config.FeedbackType == Tst_FEEDBACK_FULL_FEEDBACK) ?
+                  (Gbl.Test.Config.Feedback == Tst_FEEDBACK_EACH_GOOD_BAD ||
+                   Gbl.Test.Config.Feedback == Tst_FEEDBACK_FULL_FEEDBACK) ?
                    (Gbl.Test.Answer.Options[Indexes[NumOpt]].Correct ? "ok_green" :
                 	                                               "ok_red") :
                    "ok_on",
@@ -3930,8 +3935,8 @@ static void Tst_WriteChoiceAnsAssessTest (unsigned NumQst,MYSQL_RES *mysql_res,
 
       /* Draw icon that indicates whether the answer is correct */
       fprintf (Gbl.F.Out,"<td class=\"ANS CENTER_TOP\">");
-      if (Gbl.Test.Config.FeedbackType == Tst_FEEDBACK_EACH_GOOD_BAD ||
-          Gbl.Test.Config.FeedbackType == Tst_FEEDBACK_FULL_FEEDBACK)
+      if (Gbl.Test.Config.Feedback == Tst_FEEDBACK_EACH_GOOD_BAD ||
+          Gbl.Test.Config.Feedback == Tst_FEEDBACK_FULL_FEEDBACK)
         {
          if (Gbl.Test.Answer.Options[Indexes[NumOpt]].Correct)
             fprintf (Gbl.F.Out,"<img src=\"%s/ok_on16x16.gif\""
@@ -3960,7 +3965,7 @@ static void Tst_WriteChoiceAnsAssessTest (unsigned NumQst,MYSQL_RES *mysql_res,
                      "TEST_IMG_SHOW_ANS_CONTAINER",
                      "TEST_IMG_SHOW_ANS");
       fprintf (Gbl.F.Out,"</div>");
-      if (Gbl.Test.Config.FeedbackType == Tst_FEEDBACK_FULL_FEEDBACK)
+      if (Gbl.Test.Config.Feedback == Tst_FEEDBACK_FULL_FEEDBACK)
 	 if (Gbl.Test.Answer.Options[Indexes[NumOpt]].Feedback)
 	    if (Gbl.Test.Answer.Options[Indexes[NumOpt]].Feedback[0])
 	       fprintf (Gbl.F.Out,"<div class=\"TEST_EXA_LIGHT\">"
@@ -4003,7 +4008,7 @@ static void Tst_WriteChoiceAnsAssessTest (unsigned NumQst,MYSQL_RES *mysql_res,
            {
             if (NumOptCorrInQst < NumOptTotInQst)	// If there are correct options and wrong options (typical case)
                *ScoreThisQst = (double) NumAnsGood / (double) NumOptCorrInQst -
-                               (double) NumAnsBad / (double) (NumOptTotInQst-NumOptCorrInQst);
+                               (double) NumAnsBad / (double) (NumOptTotInQst - NumOptCorrInQst);
             else					// Si todas the opciones son correctas (caso raro)
                *ScoreThisQst = (double) NumAnsGood / (double) NumOptCorrInQst;
            }
@@ -4020,9 +4025,9 @@ static void Tst_WriteChoiceAnsAssessTest (unsigned NumQst,MYSQL_RES *mysql_res,
       *ScoreThisQst = 0.0;
 
    /* Write the score */
-   if (Gbl.Test.Config.FeedbackType == Tst_FEEDBACK_EACH_RESULT ||
-       Gbl.Test.Config.FeedbackType == Tst_FEEDBACK_EACH_GOOD_BAD ||
-       Gbl.Test.Config.FeedbackType == Tst_FEEDBACK_FULL_FEEDBACK)
+   if (Gbl.Test.Config.Feedback == Tst_FEEDBACK_EACH_RESULT ||
+       Gbl.Test.Config.Feedback == Tst_FEEDBACK_EACH_GOOD_BAD ||
+       Gbl.Test.Config.Feedback == Tst_FEEDBACK_FULL_FEEDBACK)
      {
       Tst_WriteScoreStart (4);
       if (*ScoreThisQst == 0.0)
@@ -4123,15 +4128,20 @@ static void Tst_WriteChoiceAnsViewGame (struct Game *Game,
       Img_ShowImage (&Gbl.Test.Answer.Options[NumOpt].Image,
                      "TEST_IMG_SHOW_ANS_CONTAINER",
                      "TEST_IMG_SHOW_ANS");
-      fprintf (Gbl.F.Out,"</td>");
+      fprintf (Gbl.F.Out,"</td>"
+	                 "</tr>");
 
       /***** Show result (number of users who answered? *****/
+      fprintf (Gbl.F.Out,"<tr>"
+	                 "<td class=\"LEFT_TOP\">");
       if (ShowResult)
 	 /* Get number of users who selected this answer
 	    and draw proportional bar */
 	 Gam_GetAndDrawBarNumUsrsWhoAnswered (Game,QstCod,AnsInd);
-
-      fprintf (Gbl.F.Out,"</tr>");
+      else
+         fprintf (Gbl.F.Out,"&nbsp;");
+      fprintf (Gbl.F.Out,"</td>"
+	                 "</tr>");
      }
 
    /***** End table *****/
@@ -4194,7 +4204,7 @@ static void Tst_WriteTextAnsAssessTest (unsigned NumQst,MYSQL_RES *mysql_res,
                         Tst_MAX_BYTES_ANSWER_OR_FEEDBACK,false);
 
       /***** Copy answer feedback (row[2]) and convert it, that is in HTML, to rigorous HTML ******/
-      if (Gbl.Test.Config.FeedbackType == Tst_FEEDBACK_FULL_FEEDBACK)
+      if (Gbl.Test.Config.Feedback == Tst_FEEDBACK_FULL_FEEDBACK)
 	 if (row[2])
 	    if (row[2][0])
 	      {
@@ -4248,8 +4258,8 @@ static void Tst_WriteTextAnsAssessTest (unsigned NumQst,MYSQL_RES *mysql_res,
         }
       fprintf (Gbl.F.Out,"%s CENTER_TOP\">"
 	                 "&nbsp;%s&nbsp;",
-               (Gbl.Test.Config.FeedbackType == Tst_FEEDBACK_EACH_GOOD_BAD ||
-                Gbl.Test.Config.FeedbackType == Tst_FEEDBACK_FULL_FEEDBACK) ?
+               (Gbl.Test.Config.Feedback == Tst_FEEDBACK_EACH_GOOD_BAD ||
+                Gbl.Test.Config.Feedback == Tst_FEEDBACK_FULL_FEEDBACK) ?
                 (Correct ? "ANS_OK" :
                            "ANS_BAD") :
                 "ANS",
@@ -4261,8 +4271,8 @@ static void Tst_WriteTextAnsAssessTest (unsigned NumQst,MYSQL_RES *mysql_res,
    fprintf (Gbl.F.Out,"</td>");
 
    /***** Write the correct answers *****/
-   if (Gbl.Test.Config.FeedbackType == Tst_FEEDBACK_EACH_GOOD_BAD ||
-       Gbl.Test.Config.FeedbackType == Tst_FEEDBACK_FULL_FEEDBACK)
+   if (Gbl.Test.Config.Feedback == Tst_FEEDBACK_EACH_GOOD_BAD ||
+       Gbl.Test.Config.Feedback == Tst_FEEDBACK_FULL_FEEDBACK)
      {
       fprintf (Gbl.F.Out,"<td class=\"CENTER_TOP\">");
       Tbl_StartTable (2);
@@ -4283,7 +4293,7 @@ static void Tst_WriteTextAnsAssessTest (unsigned NumQst,MYSQL_RES *mysql_res,
                             "%s"
                             "</div>",
                   Gbl.Test.Answer.Options[NumOpt].Text);
-	 if (Gbl.Test.Config.FeedbackType == Tst_FEEDBACK_FULL_FEEDBACK)
+	 if (Gbl.Test.Config.Feedback == Tst_FEEDBACK_FULL_FEEDBACK)
 	    if (Gbl.Test.Answer.Options[NumOpt].Feedback)
 	       if (Gbl.Test.Answer.Options[NumOpt].Feedback[0])
 		  fprintf (Gbl.F.Out,"<div class=\"TEST_EXA_LIGHT\">"
@@ -4318,9 +4328,9 @@ static void Tst_WriteTextAnsAssessTest (unsigned NumQst,MYSQL_RES *mysql_res,
      }
 
    /***** Write the mark *****/
-   if (Gbl.Test.Config.FeedbackType == Tst_FEEDBACK_EACH_RESULT ||
-       Gbl.Test.Config.FeedbackType == Tst_FEEDBACK_EACH_GOOD_BAD ||
-       Gbl.Test.Config.FeedbackType == Tst_FEEDBACK_FULL_FEEDBACK)
+   if (Gbl.Test.Config.Feedback == Tst_FEEDBACK_EACH_RESULT ||
+       Gbl.Test.Config.Feedback == Tst_FEEDBACK_EACH_GOOD_BAD ||
+       Gbl.Test.Config.Feedback == Tst_FEEDBACK_FULL_FEEDBACK)
      {
       Tst_WriteScoreStart (4);
       if (!Gbl.Test.StrAnswersOneQst[NumQst][0])	// If user has omitted the answer
@@ -4388,8 +4398,8 @@ static void Tst_WriteIntAnsAssessTest (unsigned NumQst,MYSQL_RES *mysql_res,
       if (sscanf (Gbl.Test.StrAnswersOneQst[NumQst],"%ld",&IntAnswerUsr) == 1)
          fprintf (Gbl.F.Out,"%s CENTER_MIDDLE\">"
                             "&nbsp;%ld&nbsp;",
-                  (Gbl.Test.Config.FeedbackType == Tst_FEEDBACK_EACH_GOOD_BAD ||
-                   Gbl.Test.Config.FeedbackType == Tst_FEEDBACK_FULL_FEEDBACK) ?
+                  (Gbl.Test.Config.Feedback == Tst_FEEDBACK_EACH_GOOD_BAD ||
+                   Gbl.Test.Config.Feedback == Tst_FEEDBACK_FULL_FEEDBACK) ?
                    (IntAnswerUsr == IntAnswerCorr ? "ANS_OK" :
                 	                            "ANS_BAD") :
                    "ANS",
@@ -4407,8 +4417,8 @@ static void Tst_WriteIntAnsAssessTest (unsigned NumQst,MYSQL_RES *mysql_res,
 
    /***** Write the correct answer *****/
    fprintf (Gbl.F.Out,"<td class=\"ANS CENTER_MIDDLE\">");
-   if (Gbl.Test.Config.FeedbackType == Tst_FEEDBACK_EACH_GOOD_BAD ||
-       Gbl.Test.Config.FeedbackType == Tst_FEEDBACK_FULL_FEEDBACK)
+   if (Gbl.Test.Config.Feedback == Tst_FEEDBACK_EACH_GOOD_BAD ||
+       Gbl.Test.Config.Feedback == Tst_FEEDBACK_FULL_FEEDBACK)
       fprintf (Gbl.F.Out,"&nbsp;%ld&nbsp;",IntAnswerCorr);
    else
       fprintf (Gbl.F.Out,"?");
@@ -4431,9 +4441,9 @@ static void Tst_WriteIntAnsAssessTest (unsigned NumQst,MYSQL_RES *mysql_res,
      }
 
    /***** Write the score *****/
-   if (Gbl.Test.Config.FeedbackType == Tst_FEEDBACK_EACH_RESULT ||
-       Gbl.Test.Config.FeedbackType == Tst_FEEDBACK_EACH_GOOD_BAD ||
-       Gbl.Test.Config.FeedbackType == Tst_FEEDBACK_FULL_FEEDBACK)
+   if (Gbl.Test.Config.Feedback == Tst_FEEDBACK_EACH_RESULT ||
+       Gbl.Test.Config.Feedback == Tst_FEEDBACK_EACH_GOOD_BAD ||
+       Gbl.Test.Config.Feedback == Tst_FEEDBACK_FULL_FEEDBACK)
      {
       Tst_WriteScoreStart (2);
       if (!Gbl.Test.StrAnswersOneQst[NumQst][0])	// If user has omitted the answer
@@ -4514,8 +4524,8 @@ static void Tst_WriteFloatAnsAssessTest (unsigned NumQst,MYSQL_RES *mysql_res,
       FloatAnsUsr = Tst_GetFloatAnsFromStr (Gbl.Test.StrAnswersOneQst[NumQst]);
       if (Gbl.Test.StrAnswersOneQst[NumQst][0])	// It's a correct floating point number
          fprintf (Gbl.F.Out,"%s CENTER_MIDDLE\">&nbsp;%lg&nbsp;",
-                  (Gbl.Test.Config.FeedbackType == Tst_FEEDBACK_EACH_GOOD_BAD ||
-                   Gbl.Test.Config.FeedbackType == Tst_FEEDBACK_FULL_FEEDBACK) ?
+                  (Gbl.Test.Config.Feedback == Tst_FEEDBACK_EACH_GOOD_BAD ||
+                   Gbl.Test.Config.Feedback == Tst_FEEDBACK_FULL_FEEDBACK) ?
                    ((FloatAnsUsr >= FloatAnsCorr[0] &&
                      FloatAnsUsr <= FloatAnsCorr[1]) ? "ANS_OK" :
                 	                               "ANS_BAD") :
@@ -4530,8 +4540,8 @@ static void Tst_WriteFloatAnsAssessTest (unsigned NumQst,MYSQL_RES *mysql_res,
 
    /***** Write the correct answer *****/
    fprintf (Gbl.F.Out,"<td class=\"ANS CENTER_MIDDLE\">");
-   if (Gbl.Test.Config.FeedbackType == Tst_FEEDBACK_EACH_GOOD_BAD ||
-       Gbl.Test.Config.FeedbackType == Tst_FEEDBACK_FULL_FEEDBACK)
+   if (Gbl.Test.Config.Feedback == Tst_FEEDBACK_EACH_GOOD_BAD ||
+       Gbl.Test.Config.Feedback == Tst_FEEDBACK_FULL_FEEDBACK)
       fprintf (Gbl.F.Out,"&nbsp;[%lg; %lg]&nbsp;",FloatAnsCorr[0],FloatAnsCorr[1]);
    else
       fprintf (Gbl.F.Out,"?");
@@ -4555,9 +4565,9 @@ static void Tst_WriteFloatAnsAssessTest (unsigned NumQst,MYSQL_RES *mysql_res,
      }
 
    /***** Write mark *****/
-   if (Gbl.Test.Config.FeedbackType == Tst_FEEDBACK_EACH_RESULT ||
-       Gbl.Test.Config.FeedbackType == Tst_FEEDBACK_EACH_GOOD_BAD ||
-       Gbl.Test.Config.FeedbackType == Tst_FEEDBACK_FULL_FEEDBACK)
+   if (Gbl.Test.Config.Feedback == Tst_FEEDBACK_EACH_RESULT ||
+       Gbl.Test.Config.Feedback == Tst_FEEDBACK_EACH_GOOD_BAD ||
+       Gbl.Test.Config.Feedback == Tst_FEEDBACK_FULL_FEEDBACK)
      {
       Tst_WriteScoreStart (2);
       if (!Gbl.Test.StrAnswersOneQst[NumQst][0])	// If user has omitted the answer
@@ -7688,12 +7698,11 @@ void Tst_ShowMyTestResults (void)
 static void Tst_ShowTestResults (struct UsrData *UsrDat)
   {
    extern const char *Txt_Today;
-   extern const char *Txt_Visible_tests;
    extern const char *Txt_View_test;
    char Query[512];
    MYSQL_RES *mysql_res;
    MYSQL_ROW row;
-   unsigned NumTestResults;
+   unsigned NumExams;
    unsigned NumTest;
    static unsigned UniqueId = 0;
    long TstCod;
@@ -7703,11 +7712,10 @@ static void Tst_ShowTestResults (struct UsrData *UsrDat)
    unsigned NumTotalQstsNotBlank = 0;
    double ScoreInThisTest;
    double TotalScoreOfAllTests = 0.0;
-   unsigned NumTestResultsVisibleByTchs = 0;
+   unsigned NumExamsVisibleByTchs = 0;
    bool ItsMe = (UsrDat->UsrCod == Gbl.Usrs.Me.UsrDat.UsrCod);
    bool ICanViewTest;
    bool ICanViewScore;
-   bool ICanViewTotalScore;
    time_t TimeUTC;
    char *ClassDat;
 
@@ -7724,17 +7732,17 @@ static void Tst_ShowTestResults (struct UsrData *UsrDat)
             UsrDat->UsrCod,
             (long) Gbl.DateRange.TimeUTC[0],
             (long) Gbl.DateRange.TimeUTC[1]);
-   NumTestResults = (unsigned) DB_QuerySELECT (Query,&mysql_res,"can not get test exams of a user");
+   NumExams = (unsigned) DB_QuerySELECT (Query,&mysql_res,"can not get test exams of a user");
 
    /***** Show user's data *****/
    fprintf (Gbl.F.Out,"<tr>");
-   Tst_ShowDataUsr (UsrDat,NumTestResults);
+   Tst_ShowDataUsr (UsrDat,NumExams);
 
    /***** Get and print test results *****/
-   if (NumTestResults)
+   if (NumExams)
      {
       for (NumTest = 0;
-           NumTest < NumTestResults;
+           NumTest < NumExams;
            NumTest++)
         {
          row = mysql_fetch_row (mysql_res);
@@ -7753,7 +7761,7 @@ static void Tst_ShowTestResults (struct UsrData *UsrDat)
 	    case Rol_STD:
 	       ICanViewTest  = ItsMe;
 	       ICanViewScore = ItsMe &&
-		               Gbl.Test.Config.FeedbackType != Tst_FEEDBACK_NOTHING;
+		               Gbl.Test.Config.Feedback != Tst_FEEDBACK_NOTHING;
 	       break;
 	    case Rol_NET:
 	    case Rol_TCH:
@@ -7869,83 +7877,13 @@ static void Tst_ShowTestResults (struct UsrData *UsrDat)
                             "</tr>");
 
 	 if (Gbl.Test.AllowTeachers)
-            NumTestResultsVisibleByTchs++;
+            NumExamsVisibleByTchs++;
         }
 
       /***** Write totals for this user *****/
-      switch (Gbl.Usrs.Me.Role.Logged)
-	{
-	 case Rol_STD:
-	    ICanViewTotalScore = ItsMe &&
-	                         Gbl.Test.Config.FeedbackType != Tst_FEEDBACK_NOTHING;
-	    break;
-	 case Rol_NET:
-	 case Rol_TCH:
-	 case Rol_DEG_ADM:
-	 case Rol_CTR_ADM:
-	 case Rol_INS_ADM:
-	    ICanViewTotalScore = ItsMe ||
-	                         NumTestResultsVisibleByTchs;
-	    break;
-	 case Rol_SYS_ADM:
-	    ICanViewTotalScore = true;
-	    break;
-	 default:
-	    ICanViewTotalScore = false;
-	    break;
-	}
-
-      fprintf (Gbl.F.Out,"<tr>"
-			 "<td class=\"DAT_N_LINE_TOP RIGHT_MIDDLE COLOR%u\">"
-			 "%s: %u"
-			 "</td>",
-	       Gbl.RowEvenOdd,
-	       Txt_Visible_tests,NumTestResultsVisibleByTchs);
-
-      /* Write total number of questions */
-      fprintf (Gbl.F.Out,"<td class=\"DAT_N_LINE_TOP RIGHT_MIDDLE COLOR%u\">",
-	       Gbl.RowEvenOdd);
-      if (NumTestResultsVisibleByTchs)
-         fprintf (Gbl.F.Out,"%u",NumTotalQsts);
-      fprintf (Gbl.F.Out,"</td>");
-
-      /* Write total number of questions not blank */
-      fprintf (Gbl.F.Out,"<td class=\"DAT_N_LINE_TOP RIGHT_MIDDLE COLOR%u\">",
-	       Gbl.RowEvenOdd);
-      if (NumTestResultsVisibleByTchs)
-         fprintf (Gbl.F.Out,"%u",NumTotalQstsNotBlank);
-      fprintf (Gbl.F.Out,"</td>");
-
-      /* Write total score */
-      fprintf (Gbl.F.Out,"<td class=\"DAT_N_LINE_TOP RIGHT_MIDDLE COLOR%u\">",
-	       Gbl.RowEvenOdd);
-      if (ICanViewTotalScore)
-         fprintf (Gbl.F.Out,"%.2lf",TotalScoreOfAllTests);
-      fprintf (Gbl.F.Out,"</td>");
-
-      /* Write average score per question */
-      fprintf (Gbl.F.Out,"<td class=\"DAT_N_LINE_TOP RIGHT_MIDDLE COLOR%u\">",
-	       Gbl.RowEvenOdd);
-      if (ICanViewTotalScore)
-         fprintf (Gbl.F.Out,"%.2lf",
-                  NumTotalQsts ? TotalScoreOfAllTests / (double) NumTotalQsts :
-                	         0.0);
-      fprintf (Gbl.F.Out,"</td>");
-
-      /* Write score over Tst_SCORE_MAX */
-      fprintf (Gbl.F.Out,"<td class=\"DAT_N_LINE_TOP RIGHT_MIDDLE COLOR%u\">",
-	       Gbl.RowEvenOdd);
-      if (ICanViewTotalScore)
-         fprintf (Gbl.F.Out,"%.2lf",
-                  NumTotalQsts ? TotalScoreOfAllTests * Tst_SCORE_MAX /
-                	         (double) NumTotalQsts :
-                	         0.0);
-      fprintf (Gbl.F.Out,"</td>");
-
-      /* Last cell */
-      fprintf (Gbl.F.Out,"<td class=\"DAT_N_LINE_TOP COLOR%u\"></td>"
-			 "</tr>",
-	       Gbl.RowEvenOdd);
+      Tst_ShowTestResultsSummaryRow (ItsMe,NumExamsVisibleByTchs,
+                                     NumTotalQsts,NumTotalQstsNotBlank,
+                                     TotalScoreOfAllTests);
      }
    else
       fprintf (Gbl.F.Out,"<td class=\"COLOR%u\"></td>"
@@ -7974,7 +7912,7 @@ static void Tst_ShowTestResults (struct UsrData *UsrDat)
 /******************** Show a row with the data of a user *********************/
 /*****************************************************************************/
 
-static void Tst_ShowDataUsr (struct UsrData *UsrDat,unsigned NumTestResults)
+static void Tst_ShowDataUsr (struct UsrData *UsrDat,unsigned NumExams)
   {
    bool ShowPhoto;
    char PhotoURL[PATH_MAX + 1];
@@ -7982,8 +7920,8 @@ static void Tst_ShowDataUsr (struct UsrData *UsrDat,unsigned NumTestResults)
 
    /***** Show user's photo and name *****/
    fprintf (Gbl.F.Out,"<td ");
-   if (NumTestResults)
-      fprintf (Gbl.F.Out,"rowspan=\"%u\"",NumTestResults + 1);
+   if (NumExams)
+      fprintf (Gbl.F.Out,"rowspan=\"%u\"",NumExams + 1);
    fprintf (Gbl.F.Out," class=\"LEFT_TOP COLOR%u\">",
 	    Gbl.RowEvenOdd);
    ShowPhoto = Pho_ShowingUsrPhotoIsAllowed (UsrDat,PhotoURL);
@@ -7994,8 +7932,8 @@ static void Tst_ShowDataUsr (struct UsrData *UsrDat,unsigned NumTestResults)
 
    /***** Start form to go to user's record card *****/
    fprintf (Gbl.F.Out,"<td ");
-   if (NumTestResults)
-      fprintf (Gbl.F.Out,"rowspan=\"%u\"",NumTestResults + 1);
+   if (NumExams)
+      fprintf (Gbl.F.Out,"rowspan=\"%u\"",NumExams + 1);
    fprintf (Gbl.F.Out," class=\"LEFT_TOP COLOR%u\">",
 	    Gbl.RowEvenOdd);
    switch (UsrDat->Roles.InCurrentCrs.Role)
@@ -8050,6 +7988,99 @@ static long Tst_GetParamTstCod (void)
    return Par_GetParToLong ("TstCod");
   }
 
+/*****************************************************************************/
+/**************** Show row with summary of user's test results ***************/
+/*****************************************************************************/
+
+static void Tst_ShowTestResultsSummaryRow (bool ItsMe,
+                                           unsigned NumExams,
+                                           unsigned NumTotalQsts,
+                                           unsigned NumTotalQstsNotBlank,
+                                           double TotalScoreOfAllTests)
+  {
+   extern const char *Txt_Visible_tests;
+   bool ICanViewTotalScore;
+
+   switch (Gbl.Usrs.Me.Role.Logged)
+     {
+      case Rol_STD:
+	 ICanViewTotalScore = ItsMe &&
+			      Gbl.Test.Config.Feedback != Tst_FEEDBACK_NOTHING;
+	 break;
+      case Rol_NET:
+      case Rol_TCH:
+      case Rol_DEG_ADM:
+      case Rol_CTR_ADM:
+      case Rol_INS_ADM:
+	 ICanViewTotalScore = ItsMe ||
+			      NumExams;
+	 break;
+      case Rol_SYS_ADM:
+	 ICanViewTotalScore = true;
+	 break;
+      default:
+	 ICanViewTotalScore = false;
+	 break;
+     }
+
+   /***** Start row *****/
+   fprintf (Gbl.F.Out,"<tr>");
+
+   /***** Row title *****/
+   fprintf (Gbl.F.Out,"<td class=\"DAT_N_LINE_TOP RIGHT_MIDDLE COLOR%u\">"
+		      "%s: %u"
+		      "</td>",
+	    Gbl.RowEvenOdd,
+	    Txt_Visible_tests,NumExams);
+
+   /***** Write total number of questions *****/
+   fprintf (Gbl.F.Out,"<td class=\"DAT_N_LINE_TOP RIGHT_MIDDLE COLOR%u\">",
+	    Gbl.RowEvenOdd);
+   if (NumExams)
+      fprintf (Gbl.F.Out,"%u",NumTotalQsts);
+   fprintf (Gbl.F.Out,"</td>");
+
+   /***** Write total number of questions not blank *****/
+   fprintf (Gbl.F.Out,"<td class=\"DAT_N_LINE_TOP RIGHT_MIDDLE COLOR%u\">",
+	    Gbl.RowEvenOdd);
+   if (NumExams)
+      fprintf (Gbl.F.Out,"%u",NumTotalQstsNotBlank);
+   fprintf (Gbl.F.Out,"</td>");
+
+   /***** Write total score *****/
+   fprintf (Gbl.F.Out,"<td class=\"DAT_N_LINE_TOP RIGHT_MIDDLE COLOR%u\">",
+	    Gbl.RowEvenOdd);
+   if (ICanViewTotalScore)
+      fprintf (Gbl.F.Out,"%.2lf",TotalScoreOfAllTests);
+   fprintf (Gbl.F.Out,"</td>");
+
+   /***** Write average score per question *****/
+   fprintf (Gbl.F.Out,"<td class=\"DAT_N_LINE_TOP RIGHT_MIDDLE COLOR%u\">",
+	    Gbl.RowEvenOdd);
+   if (ICanViewTotalScore)
+      fprintf (Gbl.F.Out,"%.2lf",
+	       NumTotalQsts ? TotalScoreOfAllTests / (double) NumTotalQsts :
+			      0.0);
+   fprintf (Gbl.F.Out,"</td>");
+
+   /***** Write score over Tst_SCORE_MAX *****/
+   fprintf (Gbl.F.Out,"<td class=\"DAT_N_LINE_TOP RIGHT_MIDDLE COLOR%u\">",
+	    Gbl.RowEvenOdd);
+   if (ICanViewTotalScore)
+      fprintf (Gbl.F.Out,"%.2lf",
+	       NumTotalQsts ? TotalScoreOfAllTests * Tst_SCORE_MAX /
+			      (double) NumTotalQsts :
+			      0.0);
+   fprintf (Gbl.F.Out,"</td>");
+
+   /***** Last cell *****/
+   fprintf (Gbl.F.Out,"<td class=\"DAT_N_LINE_TOP COLOR%u\"></td>",
+	    Gbl.RowEvenOdd);
+
+   /***** End row *****/
+   fprintf (Gbl.F.Out,"</tr>");
+  }
+
 /*****************************************************************************/
 /******************* Show one test result of another user ********************/
 /*****************************************************************************/
@@ -8082,7 +8113,7 @@ void Tst_ShowOneTestResult (void)
 
    /***** Get test result data *****/
    Tst_GetTestResultDataByTstCod (TstCod,&TstTimeUTC,&Gbl.Test.NumQsts,&NumQstsNotBlank,&TotalScore);
-   Gbl.Test.Config.FeedbackType = Tst_FEEDBACK_FULL_FEEDBACK;   // Initialize feedback to maximum
+   Gbl.Test.Config.Feedback = Tst_FEEDBACK_FULL_FEEDBACK;   // Initialize feedback to maximum
 
    /***** Check if I can view this test result *****/
    ItsMe = (Gbl.Usrs.Other.UsrDat.UsrCod == Gbl.Usrs.Me.UsrDat.UsrCod);
@@ -8093,7 +8124,7 @@ void Tst_ShowOneTestResult (void)
 	 if (ItsMe)
 	   {
 	    Tst_GetConfigTstFromDB ();	// To get feedback type
-	    ICanViewScore = Gbl.Test.Config.FeedbackType != Tst_FEEDBACK_NOTHING;
+	    ICanViewScore = Gbl.Test.Config.Feedback != Tst_FEEDBACK_NOTHING;
 	   }
 	 else
 	    ICanViewScore = false;
diff --git a/swad_test.h b/swad_test.h
index 038f3942..1bf7f1c9 100644
--- a/swad_test.h
+++ b/swad_test.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
@@ -96,11 +96,11 @@ struct Tst_Config
    unsigned Def;	// Default number of questions
    unsigned Max;	// Maximum number of questions
    unsigned long MinTimeNxtTstPerQst;
-   Tst_Feedback_t FeedbackType;
+   Tst_Feedback_t Feedback;
   };
 
 #define Tst_NUM_ANS_TYPES	6
-#define Tst_MAX_BYTES_LIST_ANSWER_TYPES		(10 + (Tst_NUM_ANS_TYPES-1) * (1 + 10))
+#define Tst_MAX_BYTES_LIST_ANSWER_TYPES		(10 + (Tst_NUM_ANS_TYPES - 1) * (1 + 10))
 typedef enum
   {
    Tst_ANS_INT             = 0,
diff --git a/swad_test_import.c b/swad_test_import.c
index 0aaa9562..13bd5c6a 100644
--- a/swad_test_import.c
+++ b/swad_test_import.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_test_import.h b/swad_test_import.h
index caa9921c..54891b9e 100644
--- a/swad_test_import.h
+++ b/swad_test_import.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_text.c b/swad_text.c
index a2fc9a0c..02358fd7 100644
--- a/swad_text.c
+++ b/swad_text.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     Català translation:
 	Antonio Cañas Vargas
diff --git a/swad_text.h b/swad_text.h
index 15005d23..46fae3d7 100644
--- a/swad_text.h
+++ b/swad_text.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_theme.c b/swad_theme.c
index e361af12..dc08f0dd 100644
--- a/swad_theme.c
+++ b/swad_theme.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_theme.h b/swad_theme.h
index 23a6d871..75368299 100644
--- a/swad_theme.h
+++ b/swad_theme.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_timetable.c b/swad_timetable.c
index d4a18346..ceb4777f 100644
--- a/swad_timetable.c
+++ b/swad_timetable.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_timetable.h b/swad_timetable.h
index efa967c8..f5190328 100644
--- a/swad_timetable.h
+++ b/swad_timetable.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_user.c b/swad_user.c
index c4ecf074..086587c7 100644
--- a/swad_user.c
+++ b/swad_user.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General 3 License as
@@ -248,7 +248,6 @@ static void Usr_DrawClassPhoto (Usr_ClassPhotoType_t ClassPhotoType,
 
 void Usr_InformAboutNumClicksBeforePhoto (void)
   {
-   extern struct Act_Actions Act_Actions[Act_NUM_ACTIONS];
    extern const char *Txt_You_must_send_your_photo_because_;
    extern const char *Txt_You_can_only_perform_X_further_actions_;
    extern const char *Txt_Upload_photo;
@@ -258,7 +257,7 @@ void Usr_InformAboutNumClicksBeforePhoto (void)
      {
       if (Gbl.Usrs.Me.NumAccWithoutPhoto >= Pho_MAX_CLICKS_WITHOUT_PHOTO)
          Ale_ShowAlert (Ale_WARNING,Txt_You_must_send_your_photo_because_);
-      else if (Act_Actions[Gbl.Action.Act].BrowserTab == Act_BRW_1ST_TAB)
+      else if (Act_GetBrowserTab (Gbl.Action.Act) == Act_BRW_1ST_TAB)
         {
          sprintf (Message,Txt_You_can_only_perform_X_further_actions_,
                   Pho_MAX_CLICKS_WITHOUT_PHOTO - Gbl.Usrs.Me.NumAccWithoutPhoto);
diff --git a/swad_user.h b/swad_user.h
index 10cb7542..4b417968 100644
--- a/swad_user.h
+++ b/swad_user.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_web_service.c b/swad_web_service.c
index bf1dcab3..45ef4076 100644
--- a/swad_web_service.c
+++ b/swad_web_service.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
@@ -3573,7 +3573,7 @@ int swad__getTestConfig (struct soap *soap,
    getTestConfigOut->defQuestions = (int) Gbl.Test.Config.Def;
    getTestConfigOut->maxQuestions = (int) Gbl.Test.Config.Max;
    Str_Copy (getTestConfigOut->feedback,
-             Tst_FeedbackXML[Gbl.Test.Config.FeedbackType],
+             Tst_FeedbackXML[Gbl.Test.Config.Feedback],
              Tst_MAX_BYTES_FEEDBACK_TYPE);
 
    /***** Get number of tests *****/
@@ -3608,7 +3608,7 @@ static int Svc_GetTstConfig (long CrsCod)
      {
       Gbl.Test.Config.Pluggable = Tst_PLUGGABLE_UNKNOWN;
       Gbl.Test.Config.Min = Gbl.Test.Config.Def = Gbl.Test.Config.Max = 0;
-      Gbl.Test.Config.FeedbackType = Tst_FEEDBACK_DEFAULT;
+      Gbl.Test.Config.Feedback = Tst_FEEDBACK_DEFAULT;
      }
 
    /***** Free structure that stores the query result *****/
diff --git a/swad_web_service.h b/swad_web_service.h
index 65757838..4059a9f7 100644
--- a/swad_web_service.h
+++ b/swad_web_service.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_xml.c b/swad_xml.c
index daedb3e9..6075b07d 100644
--- a/swad_xml.c
+++ b/swad_xml.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_xml.h b/swad_xml.h
index 64911497..4bbeb8db 100644
--- a/swad_xml.h
+++ b/swad_xml.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as
diff --git a/swad_zip.c b/swad_zip.c
index 3128f4e8..a21b4a17 100644
--- a/swad_zip.c
+++ b/swad_zip.c
@@ -6,7 +6,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General 3 License as
diff --git a/swad_zip.h b/swad_zip.h
index f8edefae..efcb6df0 100644
--- a/swad_zip.h
+++ b/swad_zip.h
@@ -8,7 +8,7 @@
     and used to support university teaching.
 
     This file is part of SWAD core.
-    Copyright (C) 1999-2017 Antonio Cañas Vargas
+    Copyright (C) 1999-2018 Antonio Cañas Vargas
 
     This program is free software: you can redistribute it and/or modify
     it under the terms of the GNU Affero General Public License as