Thanks for replying AFO,

they read as:

includes/configure.php

Code:
// Define the webserver and path parameters
  // HTTP_SERVER is your Main webserver: eg, http://www.yourdomain.com
  // HTTPS_SERVER is your Secure webserver: eg, https://www.yourdomain.com
  define('HTTP_SERVER', 'http://84.51.237.128');
  define('HTTPS_SERVER', 'https://84.51.237.128');
admin/includes/configure.php

Code:
  define('HTTP_SERVER', 'http://84.51.237.128');
  define('HTTPS_SERVER', 'https://84.51.237.128');
  define('HTTP_CATALOG_SERVER', 'http://84.51.237.128');
  define('HTTPS_CATALOG_SERVER', 'https://84.51.237.128');
Thanks

Ciaran