diff -r 000000000000 -r 9f8b07dcbe79 ko-bck2brwsr/src/main/java/org/apidesign/html/ko2brwsr/BrwsrCntxtPrvdr.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/ko-bck2brwsr/src/main/java/org/apidesign/html/ko2brwsr/BrwsrCntxtPrvdr.java	Mon Apr 29 12:50:19 2013 +0200
@@ -0,0 +1,43 @@
+/**
+ * HTML via Java(tm) Language Bindings
+ * Copyright (C) 2013 Jaroslav Tulach <jaroslav.tulach@apidesign.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, version 2 of the License.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details. apidesign.org
+ * designates this particular file as subject to the
+ * "Classpath" exception as provided by apidesign.org
+ * in the License file that accompanied this code.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. Look for COPYING file in the top folder.
+ * If not, see http://wiki.apidesign.org/wiki/GPLwithClassPathException
+ */
+package org.apidesign.html.ko2brwsr;
+
+import net.java.html.json.Context;
+import org.apidesign.bck2brwsr.core.JavaScriptBody;
+import org.apidesign.html.json.spi.ContextProvider;
+import org.openide.util.lookup.ServiceProvider;
+
+/**
+ *
+ * @author Jaroslav Tulach <jaroslav.tulach@apidesign.org>
+ */
+@ServiceProvider(service = ContextProvider.class)
+public final class BrwsrCntxtPrvdr implements ContextProvider {
+    @Override
+    public Context findContext(Class<?> requestor) {
+        return bck2BrwsrVM() ? BrwsrCntxt.DEFAULT : null;
+    }
+    
+    @JavaScriptBody(args = {  }, body = "return true;")
+    private static boolean bck2BrwsrVM() {
+        return false;
+    }
+}