diff --git a/configure.py b/configure.py
index 6b969d4..6532756 100755
--- a/configure.py
+++ b/configure.py
@@ -18,6 +18,7 @@ parser.add_option("--platform", action="store", type="string", dest="platform",
 parser.add_option("--config", action="store", type="string", dest="config", default="", help="provides ability to specify additional parameters for qmake")
 parser.add_option("--qt-dir", action="store", type="string", dest="qt-dir", default="", help="defines qmake directory path. qmake can be found in qt-dir/compiler/bin directory")
 parser.add_option("--qt-dir-xp", action="store", type="string", dest="qt-dir-xp", default="", help="defines qmake directory path for Windows XP. qmake can be found in 'qt-dir/compiler/bin directory")
+parser.add_option("--external-folder", action="store", type="string", dest="external-folder", default="", help="defines a directory with external folder")
 parser.add_option("--sql-type", action="store", type="string", dest="sql-type", default="", help="defines the sql type wich will be used")
 parser.add_option("--db-port", action="store", type="string", dest="db-port", default="", help="defines the sql db-port wich will be used")
 parser.add_option("--db-user", action="store", type="string", dest="db-user", default="", help="defines the sql db-user wich will be used")
diff --git a/scripts/build_js.py b/scripts/build_js.py
index eeeab46..59aaec6 100644
--- a/scripts/build_js.py
+++ b/scripts/build_js.py
@@ -106,10 +106,14 @@ def build_sdk_native(directory):
 
 def build_js_develop(root_dir):
   #_run_npm_cli(root_dir + "/sdkjs/build")
-  _run_npm(root_dir + "/sdkjs/build")
-  _run_grunt(root_dir + "/sdkjs/build", get_build_param(False) + base.sdkjs_addons_param())
-  _run_grunt(root_dir + "/sdkjs/build", ["develop"] + base.sdkjs_addons_param())
-  _run_npm(root_dir + "/web-apps/build")
-  _run_npm(root_dir + "/web-apps/build/sprites")
-  _run_grunt(root_dir + "/web-apps/build/sprites", [])
+  external_folder = config.option("--external-folder")
+  if (external_folder != ""):
+    external_folder = "/" + external_folder
+    
+  _run_npm(root_dir + external_folder + "/sdkjs/build")
+  _run_grunt(root_dir + external_folder + "/sdkjs/build", get_build_param(False) + base.sdkjs_addons_param())
+  _run_grunt(root_dir + external_folder + "/sdkjs/build", ["develop"] + base.sdkjs_addons_param())
+  _run_npm(root_dir + external_folder + "/web-apps/build")
+  _run_npm(root_dir + external_folder + "/web-apps/build/sprites")
+  _run_grunt(root_dir + external_folder + "/web-apps/build/sprites", [])
   return
diff --git a/scripts/develop/config_server.py b/scripts/develop/config_server.py
index 6ba5867..fbe3cb7 100644
--- a/scripts/develop/config_server.py
+++ b/scripts/develop/config_server.py
@@ -112,6 +112,11 @@ def make():
   for addon in web_apps_addons:
     static_content["/" + addon] = {"path": addon_base_path + addon}
     
+  if (config.option("external-folder") != ""):
+    external_folder = config.option("external-folder")
+    static_content["/sdkjs"] = {"path": addon_base_path + external_folder + "/sdkjs"}
+    static_content["/web-apps"] = {"path": addon_base_path + external_folder + "/web-apps"}
+    
   if (config.option("sql-type") != ""):
     sql["type"] = config.option("sql-type")
   if (config.option("db-port") != ""):