Using Firefox "Modify Headers" Add-on to change your browser's "User-Agent" attribute in http header
To install the "modify Headers" add on, go to the following url:https://addons.mozilla.org/en-US/firefox/addon/967/
Then click "continue to download" and follow the steps. At the end it will ask you to restart Firefox.
Once the add-on is active, go to Tools->Modify Headers.
In the new popped up window, select Add in the first select box. Next box will define the attribute name ...