else if rel_path.substr(rel_path.length - 3) is '.js'
res.writeHead 200, 'Content-Type': 'text/javascript'
return js_handler url_parts.query, res, req, url_parts
else if rel_path.substr(rel_path.length - 3) is '.js'
res.writeHead 200, 'Content-Type': 'text/javascript'
return js_handler url_parts.query, res, req, url_parts