Error loading javascript

When the application loads, it shows an error like this
expected ‘;’, line 2

Here are the javascript

HTTP/1.1 0 Content-Length: 461762
2Connection: close
3Date: Wed, 21 Feb 2007 11:25:12 GMT
4Set-Cookie: _session_id=0945355d2c52bb940c86d8777f55482f; path=/
5Status: content_typetext/javascript
6Cache-Control: no-cache
7Server: Mongrel
8Content-Type: text/html

I’ve no idea why these things is included, anyone has a clue?