Fix: Manage strange language code reported bu chrome browsers.

htdocs/core/class/translate.class.php

@@ -106,11 +106,12 @@ class Translate
 			// Array force long code from first part, even if long code is defined
 			$longforshort=array('ar'=>'ar_SA');
 			if (isset($longforshort[strtolower($langpart[0])])) $srclang=$longforshort[strtolower($langpart[0])];
-			else {
+			else if (! is_numeric($langpart[1])) {		// Second part YY may be a numeric with some Chrome browser
 				$srclang=strtolower($langpart[0])."_".strtoupper($langpart[1]);
 				$longforlong=array('no_nb'=>'nb_NO');
 				if (isset($longforlong[strtolower($srclang)])) $srclang=$longforlong[strtolower($srclang)];
 			}
+			else $srclang=strtolower($langpart[0])."_".strtoupper($langpart[0]);
 		}
 		else {						// If it's for a codetouse that is a short code xx
     	    // Array to convert short lang code into long code.