diff -r 333326d65bf9 -r 1ee59fe94653 vm/src/main/java/org/apidesign/vm4brwsr/VM.java
--- a/vm/src/main/java/org/apidesign/vm4brwsr/VM.java	Mon Feb 11 19:55:00 2013 +0100
+++ b/vm/src/main/java/org/apidesign/vm4brwsr/VM.java	Tue Feb 12 23:30:01 2013 +0100
@@ -119,36 +119,28 @@
               "  return vm;\n"
             + "  };\n"
             + "  global.bck2brwsr = function() {\n"
-            + "    var args = arguments;\n"
+            + "    var args = Array.prototype.slice.apply(arguments);\n"
             + "    var vm = fillInVMSkeleton({});\n"
             + "    var loader = {};\n"
-            + "    var init = null;\n"
             + "    loader.vm = vm;\n"
-            + "    if (args.length == 1 && typeof args[0] !== 'function') {;\n"
-            + "      var classpath = args[0];\n"
-            + "      init = args[0] = function(name) {\n"
-            + "        return vm.org_apidesign_vm4brwsr_Zips(false).loadFromCp___3B_3Ljava_lang_Object_2Ljava_lang_String_2(classpath, name);\n"
-            + "      };\n"
-            + "    };\n"
             + "    loader.loadClass = function(name) {\n"
             + "      var attr = name.replace__Ljava_lang_String_2CC('.','_');\n"
             + "      var fn = vm[attr];\n"
             + "      if (fn) return fn(false);\n"
-            + "      if (!args[0]) throw 'bck2brwsr initialized without loader function, cannot load ' + name;\n"
             + "      return vm.org_apidesign_vm4brwsr_VMLazy(false).\n"
             + "        load__Ljava_lang_Object_2Ljava_lang_Object_2Ljava_lang_String_2_3Ljava_lang_Object_2(loader, name, args);\n"
             + "    }\n"
-            + "    if (args[0]) {\n"
-            + "      if (vm.loadClass) {\n"
-            + "        throw 'Cannot initialize the bck2brwsr VM twice!';\n"
-            + "      }\n"
-            + "      vm.loadClass = loader.loadClass;\n"
-            + "      vm.loadBytes = function(name) {\n"
-            + "        if (!args[0]) throw 'bck2brwsr initialized without loader function, cannot load ' + name;\n"
-            + "        return args[0](name);\n"
-            + "      }\n"
+            + "    if (vm.loadClass) {\n"
+            + "      throw 'Cannot initialize the bck2brwsr VM twice!';\n"
             + "    }\n"
-            + "    if (init) init(null);\n"
+            + "    vm.loadClass = loader.loadClass;\n"
+            + "    vm.loadBytes = function(name) {\n"
+            + "      return vm.org_apidesign_vm4brwsr_VMLazy(false).\n"
+            + "        loadBytes___3BLjava_lang_Object_2Ljava_lang_String_2_3Ljava_lang_Object_2(loader, name, args);\n"
+            + "    }\n"
+            + "    vm.java_lang_reflect_Array(false);\n"
+            + "    vm.org_apidesign_vm4brwsr_VMLazy(false).\n"
+            + "      loadBytes___3BLjava_lang_Object_2Ljava_lang_String_2_3Ljava_lang_Object_2(loader, null, args);\n"
             + "    return loader;\n"
             + "  };\n");
         out.append("}(this));");