diff -r 023cda5b8b0b -r 859804c78010 rt/launcher/src/main/java/org/apidesign/bck2brwsr/launcher/Bck2BrwsrLauncher.java
--- a/rt/launcher/src/main/java/org/apidesign/bck2brwsr/launcher/Bck2BrwsrLauncher.java	Wed Mar 13 16:20:03 2013 +0100
+++ b/rt/launcher/src/main/java/org/apidesign/bck2brwsr/launcher/Bck2BrwsrLauncher.java	Thu Mar 14 09:22:28 2013 +0100
@@ -91,6 +91,10 @@
     public void addClassLoader(ClassLoader url) {
         this.loaders.add(url);
     }
+    
+    ClassLoader[] loaders() {
+        return loaders.toArray(new ClassLoader[loaders.size()]);
+    }
 
     public void showURL(String startpage) throws IOException {
         if (!startpage.startsWith("/")) {
@@ -144,7 +148,7 @@
 
         final ServerConfiguration conf = s.getServerConfiguration();
         if (addClasses) {
-            conf.addHttpHandler(new VM(resources), "/bck2brwsr.js");
+            conf.addHttpHandler(new VM(this, resources), "/bck2brwsr.js");
             conf.addHttpHandler(new Classes(resources), "/classes/");
         }
         return s;
@@ -436,6 +440,27 @@
         }
     }
 
+    void generateBck2BrwsrJS(StringBuilder sb, Bck2Brwsr.Resources loader) throws IOException {
+        Bck2Brwsr.generate(sb, loader);
+        sb.append(
+            "(function WrapperVM(global) {"
+            + "  function ldCls(res) {\n"
+            + "    var request = new XMLHttpRequest();\n"
+            + "    request.open('GET', '/classes/' + res, false);\n"
+            + "    request.send();\n"
+            + "    if (request.status !== 200) return null;\n"
+            + "    var arr = eval('(' + request.responseText + ')');\n"
+            + "    return arr;\n"
+            + "  }\n"
+            + "  var prevvm = global.bck2brwsr;\n"
+            + "  global.bck2brwsr = function() {\n"
+            + "    var args = Array.prototype.slice.apply(arguments);\n"
+            + "    args.unshift(ldCls);\n"
+            + "    return prevvm.apply(null, args);\n"
+            + "  };\n"
+            + "})(this);\n");
+    }
+
     private class Res implements Bck2Brwsr.Resources {
         @Override
         public InputStream get(String resource) throws IOException {
@@ -498,27 +523,10 @@
     private static class VM extends HttpHandler {
         private final String bck2brwsr;
 
-        public VM(Res loader) throws IOException {
+        public VM(Bck2BrwsrLauncher l, Res loader) throws IOException {
             StringBuilder sb = new StringBuilder();
-            Bck2Brwsr.generate(sb, loader);
-            sb.append(
-                  "(function WrapperVM(global) {"
-                + "  function ldCls(res) {\n"
-                + "    var request = new XMLHttpRequest();\n"
-                + "    request.open('GET', '/classes/' + res, false);\n"
-                + "    request.send();\n"
-                + "    if (request.status !== 200) return null;\n"
-                + "    var arr = eval('(' + request.responseText + ')');\n"
-                + "    return arr;\n"
-                + "  }\n"
-                + "  var prevvm = global.bck2brwsr;\n"
-                + "  global.bck2brwsr = function() {\n"
-                + "    var args = Array.prototype.slice.apply(arguments);\n"
-                + "    args.unshift(ldCls);\n"
-                + "    return prevvm.apply(null, args);\n"
-                + "  };\n"
-                + "})(this);\n"
-            );
+            l.generateBck2BrwsrJS(
+                  sb, loader);
             this.bck2brwsr = sb.toString();
         }