Index: branches/RC/core/kernel/languages/phrases_cache.php
===================================================================
diff -u -N -r9363 -r10098
--- branches/RC/core/kernel/languages/phrases_cache.php	(.../phrases_cache.php)	(revision 9363)
+++ branches/RC/core/kernel/languages/phrases_cache.php	(.../phrases_cache.php)	(revision 10098)
@@ -73,15 +73,15 @@
 		$this->Phrases = $this->Conn->GetCol($query,'Phrase');
 		/*foreach($phrases as $phrase => $tanslation)
 		{
-			$this->AddCachedPhrase(strtoupper($phrase), $tanslation);
+			$this->AddCachedPhrase(mb_strtoupper($phrase), $tanslation);
 		}*/
 		$this->Ids = $ids;
 		$this->OriginalIds = $ids;
 	}
 
 	function AddCachedPhrase($label, $value)
 	{
-		$label = strtoupper($label);
+		$label = mb_strtoupper($label);
 		$this->Phrases[$label] = $value;
 	}
 
@@ -123,7 +123,7 @@
 		if( strlen($label) == 0 ) return '';
 
 		$original_label = $label;
-		$label = strtoupper($label);
+		$label = mb_strtoupper($label);
 		if(isset($this->Phrases[$label])) {
 			$translated_label = $this->Phrases[$label];
 			// debug mode is checked directly to improve performance
@@ -195,8 +195,8 @@
 	 */
 	function CmpParams($a, $b)
 	{
-		$a_len = strlen($a);
-		$b_len = strlen($b);
+		$a_len = mb_strlen($a);
+		$b_len = mb_strlen($b);
 		if ($a_len == $b_len) return 0;
 		return $a_len > $b_len ? -1 : 1;
 	}