diff -r 0bfcb6585290 -r e4b9eee9be83 vm/src/main/java/org/apidesign/vm4brwsr/VMLazy.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/vm/src/main/java/org/apidesign/vm4brwsr/VMLazy.java	Fri Dec 07 06:29:54 2012 +0100
@@ -0,0 +1,100 @@
+/**
+ * Back 2 Browser Bytecode Translator
+ * Copyright (C) 2012 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.
+ *
+ * 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://opensource.org/licenses/GPL-2.0.
+ */
+package org.apidesign.vm4brwsr;
+
+import java.io.ByteArrayInputStream;
+import java.io.IOException;
+import org.apidesign.bck2brwsr.core.JavaScriptBody;
+
+/**
+ *
+ * @author Jaroslav Tulach <jtulach@netbeans.org>
+ */
+class VMLazy extends ByteCodeToJavaScript {
+    private final Object loader;
+    
+    private VMLazy(Object loader, Appendable out) {
+        super(out);
+        this.loader = loader;
+    }
+    
+    static void init() {
+    }
+    
+    @JavaScriptBody(args={"res", "args" }, body = "return args[0](res.toString());")
+    private static native byte[] read(String res, Object[] args);
+    
+    static Object load(Object loader, String name, Object[] arguments) 
+    throws IOException, ClassNotFoundException {
+        String res = name.replace('.', '/') + ".class";
+        byte[] arr = read(res, arguments);
+        if (arr == null) {
+            throw new ClassNotFoundException(name);
+        }
+        String code = toJavaScript(loader, arr);
+        return applyCode(loader, name, code);
+    }
+    
+    @JavaScriptBody(args = {"loader", "name", "script" }, body =
+        "try {\n" +
+        "  new Function(script)(loader, name);\n" +
+        "} catch (ex) {\n" +
+        "  throw 'Cannot compile ' + ex + ' script:\\\\n' + script;\n" +
+        "}\n" +
+        "return vm[name](false);\n"
+    )
+    private static native Object applyCode(Object loader, String name, String script);
+    
+    private static String toJavaScript(Object loader, byte[] is) throws IOException {
+        StringBuilder sb = new StringBuilder();
+        sb.append("var loader = arguments[0];\n");
+        sb.append("var vm = loader.vm;\n");
+        new VMLazy(loader, sb).compile(new ByteArrayInputStream(is));
+        return sb.toString().toString();
+    }
+
+    @JavaScriptBody(args = { "self", "n" }, 
+        body=
+          "var cls = n.replace__Ljava_lang_String_2CC(n,'/','_').toString();"
+        + "var loader = self.fld_loader;"
+        + "var vm = loader.vm;"
+        + "if (vm[cls]) return false;"
+        + "vm[cls] = function() {"
+        + "  return loader.loadClass(n,cls);"
+        + "};"
+        + "return true;"
+    )
+    @Override
+    protected boolean requireReference(String internalClassName) {
+        throw new UnsupportedOperationException();
+    }
+
+    @Override
+    protected void requireScript(String resourcePath) {
+    }
+
+    @Override
+    String assignClass(String className) {
+        return "vm[arguments[1]]=";
+    }
+
+    @Override
+    String accessClass(String classOperation) {
+        return "vm." + classOperation;
+    }
+}