diff --git a/tools/build/build.py b/tools/build/build.py
index a2387102..9b5eae99 100755
--- a/tools/build/build.py
+++ b/tools/build/build.py
@@ -9,7 +9,7 @@ import re
 import shutil
 import subprocess
 import sys
-
+import time
 
 def build_oxjs(geo):
 
@@ -17,14 +17,18 @@ def build_oxjs(geo):
     if base_path:
         os.chdir(base_path)
 
-    source_path = '../../source/'
-    build_path = '../../build/'
-    dev_path = '../../dev/'
+    root_path = '../../'
+    source_path = root_path + 'source/'
+    build_path = root_path + 'build/'
+    dev_path = root_path + 'dev/'
+
     version = '0.1.%s' % subprocess.Popen(
         ['bzr', 'revno'],
         stdout=subprocess.PIPE
     ).communicate()[0].strip()
-    comment = 'OxJS %s (c) 2012 0x2620, dual-licensed GPL/MIT, see http://oxjs.org for details' % version
+    year = time.strftime('%Y', time.gmtime())
+    comment = 'OxJS %s (c) %s 0x2620, dual-licensed GPL/MIT, see https://oxjs.org for details' % (version, year)
+
     # SVGs
     path = source_path + 'Ox.UI/themes/classic/svg/'
     for filename in os.listdir(path):
@@ -89,11 +93,11 @@ def build_oxjs(geo):
     ]
     js = ''
     js_dir = 'Ox/js/'
-    data = [[], [], []]
+    ox_files = [[], [], []]
     for filename in filenames[0]:
-        data[0].append(js_dir + filename)
+        ox_files[0].append(js_dir + filename)
     for filename in filenames[1]:
-        data[1].append(js_dir + filename)
+        ox_files[1].append(js_dir + filename)
     filenames = filenames[0] + filenames[1]
     for filename in os.listdir(source_path + js_dir):
         if not filename in filenames \
@@ -102,11 +106,11 @@ def build_oxjs(geo):
             filenames.append(filename)
     for filename in filenames:
         js += read_file(source_path + js_dir + filename) + '\n'
-        if not js_dir + filename in data[0] + data[1]:
-            data[2].append(js_dir + filename)
-    js = js.replace("Ox.VERSION = '0.1.2';", "Ox.VERSION = '%s';" % version)
+        if not js_dir + filename in ox_files[0] + ox_files[1]:
+            ox_files[2].append(js_dir + filename)
+    js = re.sub("Ox.VERSION = '([\d\.]+)'", "Ox.VERSION = '%s'" % version, js)
     write_file(build_path + 'Ox.js', ox.js.minify(js, comment))
-    write_file(dev_path + '/Ox/json/' + 'Ox.json', json.dumps(data, indent=4))
+    write_file(dev_path + '/Ox/json/' + 'Ox.json', json.dumps(ox_files, indent=4))
 
     # Ox.UI
     js = ''
@@ -136,6 +140,30 @@ def build_oxjs(geo):
     files = json.dumps(sorted(ui_files['dev']), indent=4)
     write_file(dev_path + 'Ox.UI/json/Ox.UI.files.json', files)
 
+    # index
+    data = {
+        # sum(list, []) is flatten
+        'documentation': sorted(sum(ox_files, [])) + sorted(filter(
+            lambda x: re.match('.+\.js$', x),
+            ui_files['dev']
+        ) + map(
+            lambda x: 'Ox.%s/Ox.%s.js' % (x, x),
+            ['Geo', 'Image', 'Unicode']
+        )),
+        'examples': filter(
+            lambda x: not re.match('^\.', x),
+            os.listdir(root_path + 'examples/')
+        ),
+        'readme': map(
+            lambda x: x.split('.')[0],
+            filter(
+                lambda x: not re.match('^[\._]', x),
+                os.listdir(root_path + 'readme/html')
+            )
+        )
+    }
+    write_file(root_path + 'index.json', json.dumps(data, indent=4, sort_keys=True))
+
 
 def copy_file(source, target):
     print 'copying', source, 'to', target