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[eluser]pistolPete[/eluser]
Have a look at the user guide: http://ellislab.com/codeigniter/user-gui...uting.html

Reserved Routes

Code:

$route['default_controller'] = 'welcome';

This route indicates which controller class should be loaded if the URI contains no data, which will be the case when people load your root URL. In the above example, the "welcome" class would be loaded. You are encouraged to always have a default route otherwise a 404 page will appear by default.