diff --git a/orun/extjs/app.html b/orun/extjs/app.html
index 5b61399..de3bca9 100644
--- a/orun/extjs/app.html
+++ b/orun/extjs/app.html
@@ -2,8 +2,8 @@
 <head>
     <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
     <title>{title}</title>
-    <script src="/ext_620/ext-all.js"></script>
-    <link rel="stylesheet" href="/ext_620/{theme_model}/theme-{theme}/resources/theme-{theme}-all.css">
+    <script src="{base_url}/ext_620/ext-all.js"></script>
+    <link rel="stylesheet" href="{base_url}/ext_620/{theme_model}/theme-{theme}/resources/theme-{theme}-all.css">
     <script>
     Ext.onReady(function () {{
     	{script}
diff --git a/orun/extjs/cp.py b/orun/extjs/cp.py
index 6c525ea..8d613f7 100644
--- a/orun/extjs/cp.py
+++ b/orun/extjs/cp.py
@@ -7,6 +7,8 @@ import cherrypy
 THEME_MODEL = 'classic'
 THEME = 'gray'
 
+BASE_URL = ''
+
 @cherrypy.expose
 class ExtJS:
     _cp_config = {
@@ -23,7 +25,7 @@ class ExtApplication(cp.Application):
     def index(self, *args, **kwargs):
         f = open(os.path.join(os.path.dirname(__file__), 'app.html')).read()
         self.main()
-        return f.format(title=self.title, theme=THEME, theme_model=THEME_MODEL, script=str(js.js_manager))
+        return f.format(title=self.title, base_url=BASE_URL, theme=THEME, theme_model=THEME_MODEL, script=str(js.js_manager))
     
     @cherrypy.expose
     def ajax_callback(self, *args, **kwargs):
