diff --git a/swad_attendance.c b/swad_attendance.c
index f7b689f3f..22c017972 100644
--- a/swad_attendance.c
+++ b/swad_attendance.c
@@ -2057,10 +2057,12 @@ static void Att_WriteRowStdToCallTheRoll (unsigned NumStd,struct UsrData *UsrDat
    /***** Icon to show if the user is already registered *****/
    fprintf (Gbl.F.Out,"<tr>"
 	              "<td class=\"BT%u\">"
+                      "<label for=\"Std%u\">"
 	              "<img src=\"%s/%s16x16.gif\""
 	              " alt=\"%s\" title=\"%s\" class=\"ICO20x20\" />"
+                      "</label>"
 	              "</td>",
-            Gbl.RowEvenOdd,
+            Gbl.RowEvenOdd,NumStd,
             Gbl.Prefs.IconsURL,
             Present ? "check" :
         	      "check-empty",
@@ -2071,8 +2073,9 @@ static void Att_WriteRowStdToCallTheRoll (unsigned NumStd,struct UsrData *UsrDat
 
    /***** Checkbox to select user *****/
    fprintf (Gbl.F.Out,"<td class=\"CENTER_TOP COLOR%u\">"
-	              "<input type=\"checkbox\" name=\"UsrCodStd\" value=\"%s\"",
-	    Gbl.RowEvenOdd,
+	              "<input type=\"checkbox\" id=\"Std%u\" name=\"UsrCodStd\""
+	              " value=\"%s\"",
+	    Gbl.RowEvenOdd,NumStd,
 	    UsrDat->EncryptedUsrCod);
    if (Present)	// This student has attended to the event?
       fprintf (Gbl.F.Out," checked=\"checked\"");
@@ -3103,18 +3106,22 @@ static void Att_ListEventsToSelect (Att_TypeOfView_t TypeOfView)
       /* Write a row for this event */
       fprintf (Gbl.F.Out,"<tr>"
 			 "<td class=\"DAT CENTER_MIDDLE COLOR%u\">"
-			 "<input type=\"checkbox\" name=\"AttCods\" value=\"%ld\"",
+			 "<input type=\"checkbox\""
+			 " id=\"Att%u\" name=\"AttCods\" value=\"%ld\"",
 	       Gbl.RowEvenOdd,
+	       NumAttEvent,
 	       Gbl.AttEvents.Lst[NumAttEvent].AttCod);
       if (Gbl.AttEvents.Lst[NumAttEvent].Selected)
 	 fprintf (Gbl.F.Out," checked=\"checked\"");
       fprintf (Gbl.F.Out," />"
 	                 "</td>"
 			 "<td class=\"DAT RIGHT_MIDDLE COLOR%u\">"
-			 "%u:"
+			 "<label for=\"Att%u\">%u:</label>"
 			 "</td>"
 			 "<td class=\"DAT LEFT_MIDDLE COLOR%u\">"
-                         "<span id=\"att_date_start_%u\"></span> %s"
+			 "<label for=\"Att%u\">"
+                         "<span id=\"att_date_start_%u\"></span>&nbsp;%s"
+                         "</label>"
 			 "<script type=\"text/javascript\">"
 			 "writeLocalDateHMSFromUTC('att_date_start_%u',"
 			 "%ld,',&nbsp;','%s',true,true,true);"
@@ -3125,10 +3132,9 @@ static void Att_ListEventsToSelect (Att_TypeOfView_t TypeOfView)
 			 "</td>"
 			 "</tr>",
 	       Gbl.RowEvenOdd,
-	       NumAttEvent + 1,
+	       NumAttEvent,NumAttEvent + 1,
 	       Gbl.RowEvenOdd,
-	       UniqueId,
-	       Gbl.AttEvents.Lst[NumAttEvent].Title,
+	       NumAttEvent,UniqueId,Gbl.AttEvents.Lst[NumAttEvent].Title,
                UniqueId,Gbl.AttEvents.Lst[NumAttEvent].TimeUTC[Att_START_TIME],
                Txt_Today,
 	       Gbl.RowEvenOdd,
diff --git a/swad_changelog.h b/swad_changelog.h
index b07f7fd0a..0c8dd7f30 100644
--- a/swad_changelog.h
+++ b/swad_changelog.h
@@ -188,13 +188,14 @@
 /****************************** Public constants *****************************/
 /*****************************************************************************/
 
-#define Log_PLATFORM_VERSION	"SWAD 16.105.7 (2016-12-20)"
+#define Log_PLATFORM_VERSION	"SWAD 16.105.8 (2016-12-20)"
 #define CSS_FILE		"swad16.105.3.css"
 #define JS_FILE			"swad16.101.js"
 
 // Number of lines (includes comments but not blank lines) has been got with the following command:
 // nl swad*.c swad*.h css/swad*.css py/swad*.py js/swad*.js soap/swad*?.h sql/swad*.sql | tail -1
 /*
+        Version 16.105.8: Dec 20, 2016	Changes in behaviour of labels in forms. (211313 lines)
         Version 16.105.7: Dec 20, 2016	Changes in behaviour of labels in forms. (211302 lines)
         Version 16.105.6: Dec 20, 2016	Changes in behaviour of labels in forms. (211300 lines)
         Version 16.105.5: Dec 20, 2016	Changes in behaviour of labels in forms. (211299 lines)
diff --git a/swad_user.c b/swad_user.c
index 4796b4fbb..b97c1d34d 100644
--- a/swad_user.c
+++ b/swad_user.c
@@ -5463,16 +5463,20 @@ void Usr_PutCheckboxToSelectAllTheUsers (Rol_Role_t Role)
    Usr_Sex_t Sex;
 
    fprintf (Gbl.F.Out,"<tr>"
-	              "<th colspan=\"%u\" class=\"LEFT_MIDDLE LIGHT_BLUE\">",
+	              "<th colspan=\"%u\" class=\"LEFT_MIDDLE LIGHT_BLUE\">"
+	              "<label>",
             Usr_GetColumnsForSelectUsrs ());
    if (Role == Rol_STUDENT)
-      fprintf (Gbl.F.Out,"<input type=\"checkbox\" name=\"SEL_UNSEL_STDS\" value=\"\""
+      fprintf (Gbl.F.Out,"<input type=\"checkbox\""
+	                 " name=\"SEL_UNSEL_STDS\" value=\"\""
 	                 " onclick=\"togglecheckChildren(this,'UsrCodStd')\" />");
    else	// Role == Rol_TEACHER or Role == Rol__GUEST_
-      fprintf (Gbl.F.Out,"<input type=\"checkbox\" name=\"SEL_UNSEL_TCHS\" value=\"\""
+      fprintf (Gbl.F.Out,"<input type=\"checkbox\""
+	                 " name=\"SEL_UNSEL_TCHS\" value=\"\""
 	                 " onclick=\"togglecheckChildren(this,'UsrCodTch')\" />");
    Sex = Usr_GetSexOfUsrsLst (Role);
    fprintf (Gbl.F.Out,"%s:"
+	              "</label>"
 	              "</th>"
 	              "</tr>",
 	    Gbl.Usrs.LstUsrs[Role].NumUsrs == 1 ? Txt_ROLES_SINGUL_Abc[Role][Sex] :