diff --git a/dav/lang/es/messages.po b/dav/lang/es/messages.po
new file mode 100644
index 00000000..c5c623ee
--- /dev/null
+++ b/dav/lang/es/messages.po
@@ -0,0 +1,578 @@
+# ADDON dav
+# Copyright (C)
+# This file is distributed under the same license as the Friendica dav addon package.
+# 
+# 
+# Translators:
+# Alberto Díaz Tormo <albertodiaztormo@gmail.com>, 2016
+msgid ""
+msgstr ""
+"Project-Id-Version: friendica\n"
+"Report-Msgid-Bugs-To: \n"
+"POT-Creation-Date: 2013-02-27 05:01-0500\n"
+"PO-Revision-Date: 2016-11-08 16:28+0000\n"
+"Last-Translator: Alberto Díaz Tormo <albertodiaztormo@gmail.com>\n"
+"Language-Team: Spanish (http://www.transifex.com/Friendica/friendica/language/es/)\n"
+"MIME-Version: 1.0\n"
+"Content-Type: text/plain; charset=UTF-8\n"
+"Content-Transfer-Encoding: 8bit\n"
+"Language: es\n"
+"Plural-Forms: nplurals=2; plural=(n != 1);\n"
+
+#: friendica/dav_caldav_backend_virtual_friendica.inc.php:36
+msgid "Friendica-Native events"
+msgstr "Eventos Nativos de Friendica"
+
+#: friendica/dav_carddav_backend_virtual_friendica.inc.php:36
+#: friendica/dav_carddav_backend_virtual_friendica.inc.php:59
+msgid "Friendica-Contacts"
+msgstr "Contactos de Friendica"
+
+#: friendica/dav_carddav_backend_virtual_friendica.inc.php:60
+msgid "Your Friendica-Contacts"
+msgstr "Sus contactos de Friendica"
+
+#: friendica/layout.fnk.php:99 friendica/layout.fnk.php:136
+msgid ""
+"Something went wrong when trying to import the file. Sorry. Maybe some "
+"events were imported anyway."
+msgstr "Algo fue mal al intentar importar el archivo. Perdón. Quizá algunos eventos fueron importados de todas formas."
+
+#: friendica/layout.fnk.php:131
+msgid "Something went wrong when trying to import the file. Sorry."
+msgstr "Algo fue mal al intentar importar el archivio. Perdón."
+
+#: friendica/layout.fnk.php:134
+msgid "The ICS-File has been imported."
+msgstr "El archivo ICS ha sido importado."
+
+#: friendica/layout.fnk.php:138
+msgid "No file was uploaded."
+msgstr "No se ha cargado en ningún archivo."
+
+#: friendica/layout.fnk.php:143 friendica/layout.fnk.php:422
+#: common/wdcal_edit.inc.php:140
+msgid "Go back to the calendar"
+msgstr "Volver al calendario"
+
+#: friendica/layout.fnk.php:147
+msgid "Import a ICS-file"
+msgstr "Importar un archivo ICS"
+
+#: friendica/layout.fnk.php:150
+msgid "ICS-File"
+msgstr "Archivo ICS"
+
+#: friendica/layout.fnk.php:151
+msgid "Overwrite all #num# existing events"
+msgstr "Sobreescribir todos los eventos #num# existentes"
+
+#: friendica/layout.fnk.php:152
+msgid "Upload"
+msgstr "Cargar"
+
+#: friendica/layout.fnk.php:225
+msgid "Settings"
+msgstr "Ajustes"
+
+#: friendica/layout.fnk.php:225
+msgid "Help"
+msgstr "Ayuda"
+
+#: friendica/layout.fnk.php:228
+msgid "New event"
+msgstr "Nuevo evento"
+
+#: friendica/layout.fnk.php:232
+msgid "Today"
+msgstr "Hoy"
+
+#: friendica/layout.fnk.php:241
+msgid "Day"
+msgstr "Día"
+
+#: friendica/layout.fnk.php:248
+msgid "Week"
+msgstr "Semana"
+
+#: friendica/layout.fnk.php:255 common/wdcal_edit.inc.php:372
+msgid "Month"
+msgstr "Mes"
+
+#: friendica/layout.fnk.php:260
+msgid "Reload"
+msgstr "Recargar"
+
+#: friendica/layout.fnk.php:263
+msgid "Previous"
+msgstr "Anterior"
+
+#: friendica/layout.fnk.php:266
+msgid "Next"
+msgstr "Siguiente"
+
+#: friendica/layout.fnk.php:271
+msgid "Date"
+msgstr "Fecha"
+
+#: friendica/layout.fnk.php:313
+msgid "Error"
+msgstr "Error"
+
+#: friendica/layout.fnk.php:354
+msgid "Permission denied."
+msgstr "Permiso denegado."
+
+#: friendica/layout.fnk.php:361
+msgid "The new values have been saved."
+msgstr "Los nuevos valores se han guardado."
+
+#: friendica/layout.fnk.php:380
+msgid "The calendar has been updated."
+msgstr "El calendario se ha actualizado."
+
+#: friendica/layout.fnk.php:393
+msgid "The new calendar has been created."
+msgstr "El nuevo calendario se ha creado."
+
+#: friendica/layout.fnk.php:417
+msgid "The calendar has been deleted."
+msgstr "El calendario ha sido eliminado."
+
+#: friendica/layout.fnk.php:424
+msgid "Calendar Settings"
+msgstr "Ajustes de calendario"
+
+#: friendica/layout.fnk.php:430
+msgid "Date format"
+msgstr "Formato de fecha"
+
+#: friendica/layout.fnk.php:439
+msgid "Time zone"
+msgstr "Zona horaria"
+
+#: friendica/layout.fnk.php:441 friendica/layout.fnk.php:488
+msgid "Save"
+msgstr "Guardar"
+
+#: friendica/layout.fnk.php:445
+msgid "Calendars"
+msgstr "Calendarios"
+
+#: friendica/layout.fnk.php:487
+msgid "Create a new calendar"
+msgstr "Crear un nuevo calendario"
+
+#: friendica/layout.fnk.php:496
+msgid "Limitations"
+msgstr "Límites"
+
+#: friendica/layout.fnk.php:500
+msgid "Warning"
+msgstr "Advertencia"
+
+#: friendica/layout.fnk.php:504
+msgid "Synchronization (iPhone, Thunderbird Lightning, Android, ...)"
+msgstr "Sincronización (iPhone, Thunderbird Lightning, Android, ...)"
+
+#: friendica/layout.fnk.php:511
+msgid "Synchronizing this calendar with the iPhone"
+msgstr "Sincronizar este calendario con el iPhone"
+
+#: friendica/layout.fnk.php:522
+msgid "Synchronizing your Friendica-Contacts with the iPhone"
+msgstr "Sincronizar sus contactos de Friendica con el iPhone"
+
+#: friendica/main.php:202
+msgid ""
+"The current version of this plugin has not been set up correctly. Please "
+"contact the system administrator of your installation of friendica to fix "
+"this."
+msgstr "La versión actual de este plugin no se ha instalado correctamente. Por favor contacte con el administrador del sistema de su instalación de Friendica para resolver esto."
+
+#: friendica/main.php:239 common/wdcal_edit.inc.php:146
+msgid "Calendar"
+msgstr "Calendario"
+
+#: friendica/main.php:242
+msgid "Extended calendar with CalDAV-support"
+msgstr "Estendido el calendario con soporte CalDAV"
+
+#: friendica/main.php:279 friendica/main.php:280
+msgid "noreply"
+msgstr "no responder"
+
+#: friendica/main.php:282
+msgid "Notification: "
+msgstr ""
+
+#: friendica/main.php:309
+msgid "The database tables have been installed."
+msgstr ""
+
+#: friendica/main.php:310
+msgid "An error occurred during the installation."
+msgstr ""
+
+#: friendica/main.php:316
+msgid "The database tables have been updated."
+msgstr ""
+
+#: friendica/main.php:317
+msgid "An error occurred during the update."
+msgstr ""
+
+#: friendica/main.php:333
+msgid "No system-wide settings yet."
+msgstr ""
+
+#: friendica/main.php:336
+msgid "Database status"
+msgstr ""
+
+#: friendica/main.php:339
+msgid "Installed"
+msgstr ""
+
+#: friendica/main.php:343
+msgid "Upgrade needed"
+msgstr ""
+
+#: friendica/main.php:343
+msgid ""
+"Please back up all calendar data (the tables beginning with dav_*) before "
+"proceeding. While all calendar events <i>should</i> be converted to the new "
+"database structure, it's always safe to have a backup. Below, you can have a"
+" look at the database-queries that will be made when pressing the "
+"'update'-button."
+msgstr ""
+
+#: friendica/main.php:343
+msgid "Upgrade"
+msgstr ""
+
+#: friendica/main.php:346
+msgid "Not installed"
+msgstr ""
+
+#: friendica/main.php:346
+msgid "Install"
+msgstr ""
+
+#: friendica/main.php:350
+msgid "Unknown"
+msgstr ""
+
+#: friendica/main.php:350
+msgid ""
+"Something really went wrong. I cannot recover from this state automatically,"
+" sorry. Please go to the database backend, back up the data, and delete all "
+"tables beginning with 'dav_' manually. Afterwards, this installation routine"
+" should be able to reinitialize the tables automatically."
+msgstr ""
+
+#: friendica/main.php:355
+msgid "Troubleshooting"
+msgstr ""
+
+#: friendica/main.php:356
+msgid "Manual creation of the database tables:"
+msgstr ""
+
+#: friendica/main.php:357
+msgid "Show SQL-statements"
+msgstr ""
+
+#: friendica/calendar.friendica.fnk.php:206
+msgid "Private Calendar"
+msgstr ""
+
+#: friendica/calendar.friendica.fnk.php:207
+msgid "Friendica Events: Mine"
+msgstr ""
+
+#: friendica/calendar.friendica.fnk.php:208
+msgid "Friendica Events: Contacts"
+msgstr ""
+
+#: friendica/calendar.friendica.fnk.php:248
+msgid "Private Addresses"
+msgstr ""
+
+#: friendica/calendar.friendica.fnk.php:249
+msgid "Friendica Contacts"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:30 common/wdcal_edit.inc.php:738
+msgid "Could not open component for editing"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:144
+msgid "Event data"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:163
+msgid "Special color"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:169
+msgid "Subject"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:173
+msgid "Starts"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:178
+msgid "Ends"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:183
+msgid "Location"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:185
+msgid "Description"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:188
+msgid "Recurrence"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:190
+msgid "Frequency"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:191
+msgid "None"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:194
+msgid "Daily"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:197
+msgid "Weekly"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:200
+msgid "Monthly"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:203
+msgid "Yearly"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:214
+msgid "days"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:215
+msgid "weeks"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:216
+msgid "months"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:217
+msgid "years"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:218
+msgid "Interval"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:218
+msgid "All %select% %time%"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:222 common/wdcal_edit.inc.php:260
+#: common/wdcal_edit.inc.php:481
+msgid "Days"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:231 common/wdcal_edit.inc.php:254
+#: common/wdcal_edit.inc.php:270 common/wdcal_edit.inc.php:293
+#: common/wdcal_edit.inc.php:305
+msgid "Sunday"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:235 common/wdcal_edit.inc.php:274
+#: common/wdcal_edit.inc.php:308
+msgid "Monday"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:238 common/wdcal_edit.inc.php:277
+msgid "Tuesday"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:241 common/wdcal_edit.inc.php:280
+msgid "Wednesday"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:244 common/wdcal_edit.inc.php:283
+msgid "Thursday"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:247 common/wdcal_edit.inc.php:286
+msgid "Friday"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:250 common/wdcal_edit.inc.php:289
+msgid "Saturday"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:297
+msgid "First day of week:"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:350 common/wdcal_edit.inc.php:373
+msgid "Day of month"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:354
+msgid "#num#th of each month"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:357
+msgid "#num#th-last of each month"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:360
+msgid "#num#th #wkday# of each month"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:363
+msgid "#num#th-last #wkday# of each month"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:377
+msgid "#num#th of the given month"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:380
+msgid "#num#th-last of the given month"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:383
+msgid "#num#th #wkday# of the given month"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:386
+msgid "#num#th-last #wkday# of the given month"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:413
+msgid "Repeat until"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:417
+msgid "Infinite"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:420
+msgid "Until the following date"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:423
+msgid "Number of times"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:429
+msgid "Exceptions"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:432
+msgid "none"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:449
+msgid "Notification"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:466
+msgid "Notify by"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:468
+msgid "Remove"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:469
+msgid "E-Mail"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:470
+msgid "On Friendica / Display"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:474
+msgid "Time"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:478
+msgid "Hours"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:479
+msgid "Minutes"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:480
+msgid "Seconds"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:482
+msgid "Weeks"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:485
+msgid "before the"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:486
+msgid "start of the event"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:487
+msgid "end of the event"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:492
+msgid "Add a notification"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:687
+msgid "The event #name# will start at #date"
+msgstr ""
+
+#: common/wdcal_edit.inc.php:696
+msgid "#name# is about to begin."
+msgstr ""
+
+#: common/wdcal_edit.inc.php:769
+msgid "Saved"
+msgstr ""
+
+#: common/wdcal_configuration.php:148
+msgid "U.S. Time Format (mm/dd/YYYY)"
+msgstr ""
+
+#: common/wdcal_configuration.php:243
+msgid "German Time Format (dd.mm.YYYY)"
+msgstr ""
+
+#: common/dav_caldav_backend_private.inc.php:39
+msgid "Private Events"
+msgstr ""
+
+#: common/wdcal_backend.inc.php:92 common/wdcal_backend.inc.php:166
+#: common/wdcal_backend.inc.php:178 common/wdcal_backend.inc.php:206
+#: common/wdcal_backend.inc.php:214 common/wdcal_backend.inc.php:229
+msgid "No access"
+msgstr ""
+
+#: common/dav_carddav_backend_private.inc.php:46
+msgid "Private Addressbooks"
+msgstr ""
diff --git a/dav/lang/es/strings.php b/dav/lang/es/strings.php
index f28ecdeb..8d60adfe 100644
--- a/dav/lang/es/strings.php
+++ b/dav/lang/es/strings.php
@@ -1,136 +1,141 @@
-<?php
-
-$a->strings["Friendica-Native events"] = "Eventos nativos de Friendica";
-$a->strings["Friendica-Contacts"] = "Contactos de Friendica";
-$a->strings["Your Friendica-Contacts"] = "Tus Contactos de Friendica";
-$a->strings["Something went wrong when trying to import the file. Sorry. Maybe some events were imported anyway."] = "Algo salió mal al importar el archivo. Lo sentimos. Puede que algunos eventos se hayan importado.";
-$a->strings["Something went wrong when trying to import the file. Sorry."] = "Algo salió mal al importar el archivo. Lo sentimos.";
-$a->strings["The ICS-File has been imported."] = "El archivo ICS ha sido importado.";
-$a->strings["No file was uploaded."] = "No se ha importado ningún archivo.";
-$a->strings["Go back to the calendar"] = "Volver al calendario";
-$a->strings["Import a ICS-file"] = "Importar archivo ICS";
-$a->strings["ICS-File"] = "Archivo ICS";
-$a->strings["Overwrite all #num# existing events"] = "Sobreescribir los #num# eventos existentes";
-$a->strings["Upload"] = "Subir";
-$a->strings["Settings"] = "Configuración";
-$a->strings["Help"] = "Ayuda";
-$a->strings["New event"] = "Evento nuevo";
-$a->strings["Today"] = "Hoy";
-$a->strings["Day"] = "Día";
-$a->strings["Week"] = "Semana";
-$a->strings["Month"] = "Mes";
-$a->strings["Reload"] = "Recargar";
-$a->strings["Previous"] = "Previo";
-$a->strings["Next"] = "Siguiente";
-$a->strings["Date"] = "Fecha";
-$a->strings["Error"] = "Error";
-$a->strings["Permission denied."] = "Permiso denegado.";
-$a->strings["The new values have been saved."] = "Los nuevos valores se han guardado.";
-$a->strings["The calendar has been updated."] = "El calendario ha sido actualizado.";
-$a->strings["The new calendar has been created."] = "Se ha creado un nuevo calendario.";
-$a->strings["The calendar has been deleted."] = "El calendario se ha borrado.";
-$a->strings["Calendar Settings"] = "Configuración del Calendario";
-$a->strings["Date format"] = "Formato de fecha";
-$a->strings["Time zone"] = "Zona horaria";
-$a->strings["Save"] = "Guardar";
-$a->strings["Calendars"] = "Calendarios";
-$a->strings["Create a new calendar"] = "Crear un nuevo calendario";
-$a->strings["Limitations"] = "Limitaciones";
-$a->strings["Warning"] = "Aviso";
-$a->strings["Synchronization (iPhone, Thunderbird Lightning, Android, ...)"] = "Sincronización (iPhone, Thunderbird Lightning, Android...)";
-$a->strings["Synchronizing this calendar with the iPhone"] = "Sincronizar este calendario con iPhone";
-$a->strings["Synchronizing your Friendica-Contacts with the iPhone"] = "Sincronizar tus contactos de Friendica con iPhone";
-$a->strings["The current version of this plugin has not been set up correctly. Please contact the system administrator of your installation of friendica to fix this."] = "La versión actual de este módulo no se ha ajustado correctamente. Por favor contacta al administrador de sistema de tu instalación de Friendica para arreglarlo.";
-$a->strings["Calendar"] = "Calendario";
-$a->strings["Extended calendar with CalDAV-support"] = "Calendario ampliado con soporte CalDAV";
-$a->strings["noreply"] = "no responder";
-$a->strings["Notification: "] = "Notificación:";
-$a->strings["The database tables have been installed."] = "Se han instalado las tablas de la base de datos.";
-$a->strings["An error occurred during the installation."] = "Ha ocurrido un error durante la instalación.";
-$a->strings["The database tables have been updated."] = "Las tablas de la base de datos han sido actualizadas.";
-$a->strings["An error occurred during the update."] = "Ocurrió un error durante la actualización.";
-$a->strings["No system-wide settings yet."] = "No se han configurado aún los ajustes del sistema.";
-$a->strings["Database status"] = "Estado de la base de datos";
-$a->strings["Installed"] = "Instalada";
-$a->strings["Upgrade needed"] = "Actualización necesaria";
-$a->strings["Please back up all calendar data (the tables beginning with dav_*) before proceeding. While all calendar events <i>should</i> be converted to the new database structure, it's always safe to have a backup. Below, you can have a look at the database-queries that will be made when pressing the 'update'-button."] = "Por favor respalda todos los datos de calendario (las tablas que comienzan con dav_*) antes de continuar. Aunque todos los eventos de calendario <i>deberían</i> convertirse a la nueva estructura de base de datos, siempre es seguro tener un respaldo. Abajo, puedes ver las consultas a la base de datos que se realizarán cuando presiones el botón de 'actualizar'.";
-$a->strings["Upgrade"] = "Actualizada";
-$a->strings["Not installed"] = "Sin instalar";
-$a->strings["Install"] = "Instalar";
-$a->strings["Unknown"] = "Desconocido";
-$a->strings["Something really went wrong. I cannot recover from this state automatically, sorry. Please go to the database backend, back up the data, and delete all tables beginning with 'dav_' manually. Afterwards, this installation routine should be able to reinitialize the tables automatically."] = "Ha ocurrido algo muy malo. No puedo recuperarme automáticamente de este estado, lo siento. Por favor ve al manejador de fondo de la base de datos, respalda los datos, y borra todas las tablas que comienzan con 'dav_' manualmente. Después de eso, esta rutina de instalación debería de ser capaz de reinicializar las tablas automáticamente.";
-$a->strings["Troubleshooting"] = "Problemas";
-$a->strings["Manual creation of the database tables:"] = "Manual para la creación de las tablas de la base de datos:";
-$a->strings["Show SQL-statements"] = "Mostrar declaraciones SQL";
-$a->strings["Private Calendar"] = "Calendario privado";
-$a->strings["Friendica Events: Mine"] = "Eventos de Friendica: Propios";
-$a->strings["Friendica Events: Contacts"] = "Eventos de Friendica: Contactos";
-$a->strings["Private Addresses"] = "Direcciones privadas";
-$a->strings["Friendica Contacts"] = "Contactos de Friendica";
-$a->strings["Could not open component for editing"] = "No se puede abrir para editar";
-$a->strings["Event data"] = "Datos del evento";
-$a->strings["Special color"] = "Color especial";
-$a->strings["Subject"] = "Asunto";
-$a->strings["Starts"] = "Comienzo";
-$a->strings["Ends"] = "Final";
-$a->strings["Location"] = "Ubicación";
-$a->strings["Description"] = "Descripción";
-$a->strings["Recurrence"] = "Recurrencia";
-$a->strings["Frequency"] = "Frecuencia";
-$a->strings["None"] = "Ninguna";
-$a->strings["Daily"] = "Diariamente";
-$a->strings["Weekly"] = "Semanalmente";
-$a->strings["Monthly"] = "Mensualmente";
-$a->strings["Yearly"] = "Anual";
-$a->strings["days"] = "días";
-$a->strings["weeks"] = "semanas";
-$a->strings["months"] = "meses";
-$a->strings["years"] = "años";
-$a->strings["Interval"] = "Intérvalo";
-$a->strings["All %select% %time%"] = "Todos %select% %time%";
-$a->strings["Days"] = "Días";
-$a->strings["Sunday"] = "Domingo";
-$a->strings["Monday"] = "Lunes";
-$a->strings["Tuesday"] = "Martes";
-$a->strings["Wednesday"] = "Miércoles";
-$a->strings["Thursday"] = "Jueves";
-$a->strings["Friday"] = "Viernes";
-$a->strings["Saturday"] = "Sábado";
-$a->strings["First day of week:"] = "Primer día de la semana:";
-$a->strings["Day of month"] = "Día del mes";
-$a->strings["#num#th of each month"] = "#num#º de cada mes";
-$a->strings["#num#th-last of each month"] = "#num#º antes del último de cada mes";
-$a->strings["#num#th #wkday# of each month"] = "#num#º #wkday# de cada mes";
-$a->strings["#num#th-last #wkday# of each month"] = "#num#º antes del último #wkday# de cada mes";
-$a->strings["#num#th of the given month"] = "#num#º del mes dado";
-$a->strings["#num#th-last of the given month"] = "#num#º antes del último del mes dado";
-$a->strings["#num#th #wkday# of the given month"] = "#num#º #wkday# del mes dado";
-$a->strings["#num#th-last #wkday# of the given month"] = "#num#º antes del último #wkday# del mes dado";
-$a->strings["Repeat until"] = "Repetir hasta";
-$a->strings["Infinite"] = "Infinito";
-$a->strings["Until the following date"] = "Hasta la fecha siguiente";
-$a->strings["Number of times"] = "Número de veces";
-$a->strings["Exceptions"] = "Excepciones";
-$a->strings["none"] = "ninguno";
-$a->strings["Notification"] = "Notificación";
-$a->strings["Notify by"] = "Notificar por";
-$a->strings["Remove"] = "Eliminar";
-$a->strings["E-Mail"] = "Correo electrónico";
-$a->strings["On Friendica / Display"] = "Sobre Friendica / Mostrar";
-$a->strings["Time"] = "Hora";
-$a->strings["Hours"] = "Horas";
-$a->strings["Minutes"] = "Minutos";
-$a->strings["Seconds"] = "Segundos";
-$a->strings["Weeks"] = "Semanas";
-$a->strings["before the"] = "antes de";
-$a->strings["start of the event"] = "inicio del evento";
-$a->strings["end of the event"] = "final del evento";
-$a->strings["Add a notification"] = "Añadir una notificación";
-$a->strings["The event #name# will start at #date"] = "El evento #name# comenzará el #date";
-$a->strings["#name# is about to begin."] = "#name# está a punto de comenzar.";
-$a->strings["Saved"] = "Guardado";
-$a->strings["U.S. Time Format (mm/dd/YYYY)"] = "Hora, formato anglosajón (mm/dd/aaaa)";
-$a->strings["German Time Format (dd.mm.YYYY)"] = "Hora, formato europeo (dd.mm.aaaa)";
-$a->strings["Private Events"] = "Eventos privados";
-$a->strings["No access"] = "Sin acceso";
-$a->strings["Private Addressbooks"] = "Libretas de direcciones privada";
+<?php
+
+if(! function_exists("string_plural_select_es")) {
+function string_plural_select_es($n){
+	return ($n != 1);;
+}}
+;
+$a->strings["Friendica-Native events"] = "Eventos Nativos de Friendica";
+$a->strings["Friendica-Contacts"] = "Contactos de Friendica";
+$a->strings["Your Friendica-Contacts"] = "Sus contactos de Friendica";
+$a->strings["Something went wrong when trying to import the file. Sorry. Maybe some events were imported anyway."] = "Algo fue mal al intentar importar el archivo. Perdón. Quizá algunos eventos fueron importados de todas formas.";
+$a->strings["Something went wrong when trying to import the file. Sorry."] = "Algo fue mal al intentar importar el archivio. Perdón.";
+$a->strings["The ICS-File has been imported."] = "El archivo ICS ha sido importado.";
+$a->strings["No file was uploaded."] = "No se ha cargado en ningún archivo.";
+$a->strings["Go back to the calendar"] = "Volver al calendario";
+$a->strings["Import a ICS-file"] = "Importar un archivo ICS";
+$a->strings["ICS-File"] = "Archivo ICS";
+$a->strings["Overwrite all #num# existing events"] = "Sobreescribir todos los eventos #num# existentes";
+$a->strings["Upload"] = "Cargar";
+$a->strings["Settings"] = "Ajustes";
+$a->strings["Help"] = "Ayuda";
+$a->strings["New event"] = "Nuevo evento";
+$a->strings["Today"] = "Hoy";
+$a->strings["Day"] = "Día";
+$a->strings["Week"] = "Semana";
+$a->strings["Month"] = "Mes";
+$a->strings["Reload"] = "Recargar";
+$a->strings["Previous"] = "Anterior";
+$a->strings["Next"] = "Siguiente";
+$a->strings["Date"] = "Fecha";
+$a->strings["Error"] = "Error";
+$a->strings["Permission denied."] = "Permiso denegado.";
+$a->strings["The new values have been saved."] = "Los nuevos valores se han guardado.";
+$a->strings["The calendar has been updated."] = "El calendario se ha actualizado.";
+$a->strings["The new calendar has been created."] = "El nuevo calendario se ha creado.";
+$a->strings["The calendar has been deleted."] = "El calendario ha sido eliminado.";
+$a->strings["Calendar Settings"] = "Ajustes de calendario";
+$a->strings["Date format"] = "Formato de fecha";
+$a->strings["Time zone"] = "Zona horaria";
+$a->strings["Save"] = "Guardar";
+$a->strings["Calendars"] = "Calendarios";
+$a->strings["Create a new calendar"] = "Crear un nuevo calendario";
+$a->strings["Limitations"] = "Límites";
+$a->strings["Warning"] = "Advertencia";
+$a->strings["Synchronization (iPhone, Thunderbird Lightning, Android, ...)"] = "Sincronización (iPhone, Thunderbird Lightning, Android, ...)";
+$a->strings["Synchronizing this calendar with the iPhone"] = "Sincronizar este calendario con el iPhone";
+$a->strings["Synchronizing your Friendica-Contacts with the iPhone"] = "Sincronizar sus contactos de Friendica con el iPhone";
+$a->strings["The current version of this plugin has not been set up correctly. Please contact the system administrator of your installation of friendica to fix this."] = "La versión actual de este plugin no se ha instalado correctamente. Por favor contacte con el administrador del sistema de su instalación de Friendica para resolver esto.";
+$a->strings["Calendar"] = "Calendario";
+$a->strings["Extended calendar with CalDAV-support"] = "Estendido el calendario con soporte CalDAV";
+$a->strings["noreply"] = "no responder";
+$a->strings["Notification: "] = "";
+$a->strings["The database tables have been installed."] = "";
+$a->strings["An error occurred during the installation."] = "";
+$a->strings["The database tables have been updated."] = "";
+$a->strings["An error occurred during the update."] = "";
+$a->strings["No system-wide settings yet."] = "";
+$a->strings["Database status"] = "";
+$a->strings["Installed"] = "";
+$a->strings["Upgrade needed"] = "";
+$a->strings["Please back up all calendar data (the tables beginning with dav_*) before proceeding. While all calendar events <i>should</i> be converted to the new database structure, it's always safe to have a backup. Below, you can have a look at the database-queries that will be made when pressing the 'update'-button."] = "";
+$a->strings["Upgrade"] = "";
+$a->strings["Not installed"] = "";
+$a->strings["Install"] = "";
+$a->strings["Unknown"] = "";
+$a->strings["Something really went wrong. I cannot recover from this state automatically, sorry. Please go to the database backend, back up the data, and delete all tables beginning with 'dav_' manually. Afterwards, this installation routine should be able to reinitialize the tables automatically."] = "";
+$a->strings["Troubleshooting"] = "";
+$a->strings["Manual creation of the database tables:"] = "";
+$a->strings["Show SQL-statements"] = "";
+$a->strings["Private Calendar"] = "";
+$a->strings["Friendica Events: Mine"] = "";
+$a->strings["Friendica Events: Contacts"] = "";
+$a->strings["Private Addresses"] = "";
+$a->strings["Friendica Contacts"] = "";
+$a->strings["Could not open component for editing"] = "";
+$a->strings["Event data"] = "";
+$a->strings["Special color"] = "";
+$a->strings["Subject"] = "";
+$a->strings["Starts"] = "";
+$a->strings["Ends"] = "";
+$a->strings["Location"] = "";
+$a->strings["Description"] = "";
+$a->strings["Recurrence"] = "";
+$a->strings["Frequency"] = "";
+$a->strings["None"] = "";
+$a->strings["Daily"] = "";
+$a->strings["Weekly"] = "";
+$a->strings["Monthly"] = "";
+$a->strings["Yearly"] = "";
+$a->strings["days"] = "";
+$a->strings["weeks"] = "";
+$a->strings["months"] = "";
+$a->strings["years"] = "";
+$a->strings["Interval"] = "";
+$a->strings["All %select% %time%"] = "";
+$a->strings["Days"] = "";
+$a->strings["Sunday"] = "";
+$a->strings["Monday"] = "";
+$a->strings["Tuesday"] = "";
+$a->strings["Wednesday"] = "";
+$a->strings["Thursday"] = "";
+$a->strings["Friday"] = "";
+$a->strings["Saturday"] = "";
+$a->strings["First day of week:"] = "";
+$a->strings["Day of month"] = "";
+$a->strings["#num#th of each month"] = "";
+$a->strings["#num#th-last of each month"] = "";
+$a->strings["#num#th #wkday# of each month"] = "";
+$a->strings["#num#th-last #wkday# of each month"] = "";
+$a->strings["#num#th of the given month"] = "";
+$a->strings["#num#th-last of the given month"] = "";
+$a->strings["#num#th #wkday# of the given month"] = "";
+$a->strings["#num#th-last #wkday# of the given month"] = "";
+$a->strings["Repeat until"] = "";
+$a->strings["Infinite"] = "";
+$a->strings["Until the following date"] = "";
+$a->strings["Number of times"] = "";
+$a->strings["Exceptions"] = "";
+$a->strings["none"] = "";
+$a->strings["Notification"] = "";
+$a->strings["Notify by"] = "";
+$a->strings["Remove"] = "";
+$a->strings["E-Mail"] = "";
+$a->strings["On Friendica / Display"] = "";
+$a->strings["Time"] = "";
+$a->strings["Hours"] = "";
+$a->strings["Minutes"] = "";
+$a->strings["Seconds"] = "";
+$a->strings["Weeks"] = "";
+$a->strings["before the"] = "";
+$a->strings["start of the event"] = "";
+$a->strings["end of the event"] = "";
+$a->strings["Add a notification"] = "";
+$a->strings["The event #name# will start at #date"] = "";
+$a->strings["#name# is about to begin."] = "";
+$a->strings["Saved"] = "";
+$a->strings["U.S. Time Format (mm/dd/YYYY)"] = "";
+$a->strings["German Time Format (dd.mm.YYYY)"] = "";
+$a->strings["Private Events"] = "";
+$a->strings["No access"] = "";
+$a->strings["Private Addressbooks"] = "";