== *Using Rails3 with uploadify*

Add this to 'scriptData' in js (which is loading uploadify)

<pre>
<code>
  '_maxhost_upload': $('meta[name=cses]').attr('content')
</code>
</pre>

And this to yours application layout

<pre>
<code>
    %meta{ :name => "cses", :content => cookies["_xyz"]}
</code>
</pre>
where *_xyz* is Yours session cookie key.