diff --git a/i18n_setup.php b/i18n_setup.php
new file mode 100644
index 0000000..7b248c0
--- /dev/null
+++ b/i18n_setup.php
@@ -0,0 +1,97 @@
+<?php
+/**
+ * Verifies if the given $locale is supported in the project
+ * @param string $locale
+ * @return bool
+ */
+ 
+function list_locale_server($dir) {
+	$lange = array();
+ 	$iterator = new DirectoryIterator($dir);
+	foreach ($iterator as $ff) {
+		if ($ff->isDot() OR $ff->isFile()) { continue; }
+		if ($ff->isDir()) {
+			$d = $ff->getFilename();
+			if (($d != "nocache") AND (strpos($d, "_"))) {
+				$e = strtok($d, "_");
+				$lange[] = $d;
+				$lange[] = $e;
+			}
+		}
+	}
+	//print_r($lange);
+	return $lange;
+}
+
+function valid($locale) {
+	//return in_array($locale, ['en_US', 'en', 'fr_FR', 'fr', 'de_DE', 'de', 'es_ES', 'es']);
+	global $dir_locales;
+	$l = list_locale_server($dir_locales);
+	return in_array($locale, $l);
+}
+
+/* ------------------------------------*/
+/*       Settings                      */
+/* ------------------------------------*/
+
+$dir_locales = __DIR__ . '/Locale';
+
+//setting the source/default locale, for informational purposes
+$lang = 'en_US';
+
+/*
+if (isset($_GET['lang']) && valid($_GET['lang'])) {
+	// the locale can be changed through the query-string
+	$lang = $_GET['lang'];    //you should sanitize this!
+	//setcookie('lang', $lang); //it's stored in a cookie so it can be reused
+	setcookie('lang', $lang, time() + (86400 * 30), "/"); //it's stored in a cookie so it can be reused
+*/
+if (isset($_POST['lang']) && valid($_POST['lang'])) {
+// the locale can be changed through the query-string
+$lang = $_POST['lang'];    //you should sanitize this!
+//setcookie('lang', $lang); //it's stored in a cookie so it can be reused
+setcookie('lang', $lang, time() + (86400 * 30), "/"); //it's stored in a cookie so it can be reused
+	
+} elseif (isset($_SESSION['language']) && valid($_SESSION['language'])) {
+	// if the cookie is present instead, let's just keep it
+	$lang = $_SESSION['language']; //you should sanitize this!
+	
+} elseif (isset($_COOKIE['lang']) && valid($_COOKIE['lang'])) {
+	// if the cookie is present instead, let's just keep it
+	$lang = $_COOKIE['lang']; //you should sanitize this!
+	
+} elseif (isset($_SERVER['HTTP_ACCEPT_LANGUAGE'])) {
+	// default: look for the languages the browser says the user accepts
+	$langs = explode(',', $_SERVER['HTTP_ACCEPT_LANGUAGE']);
+	array_walk($langs, function (&$lang) { $lang = strtr(strtok($lang, ';'), ['-' => '_']); });
+	foreach ($langs as $browser_lang) {
+		if (valid($browser_lang)) {
+			$lang = $browser_lang;
+			break;
+		}
+	}
+}
+
+
+// here we define the global system locale given the found language
+putenv("LANG=$lang");
+
+// this might be useful for date functions (LC_TIME) or money formatting (LC_MONETARY), for instance
+setlocale(LC_ALL, $lang);
+
+// this will make Gettext look for ../locales/<lang>/LC_MESSAGES/main.mo
+bindtextdomain('sentier', __DIR__ . '/Locale/');
+
+// indicates in what encoding the file should be read
+bind_textdomain_codeset('sentier', 'UTF-8');
+
+// if your application has additional domains, as cited before, you should bind them here as well
+//bindtextdomain('forum', '../locales');
+//bind_textdomain_codeset('forum', 'UTF-8');
+
+// here we indicate the default domain the gettext() calls will respond to
+textdomain('sentier');
+
+// this would look for the string in forum.mo instead of main.mo
+// echo dgettext('forum', 'Welcome back!');
+?>
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