diff -r e2e65ab49293 -r 16fd25f3a75d javaquery/api/src/main/java/org/apidesign/bck2brwsr/htmlpage/PageProcessor.java
--- a/javaquery/api/src/main/java/org/apidesign/bck2brwsr/htmlpage/PageProcessor.java	Mon Mar 25 16:27:50 2013 +0100
+++ b/javaquery/api/src/main/java/org/apidesign/bck2brwsr/htmlpage/PageProcessor.java	Tue Mar 26 09:24:26 2013 +0100
@@ -258,7 +258,7 @@
     }
 
     private static String cnstnt(String id) {
-        return id.toUpperCase(Locale.ENGLISH).replace('.', '_').replace('-', '_');
+        return id.replace('.', '_').replace('-', '_');
     }
 
     private boolean initializeOnClick(