/**
 * Automatically detect IP addresses in dot notation. Goes perfectly with the
 * IP address sorting function.
 *
 *  @name IP address detection
 *  @summary Detect data which is in IP address notation
 *  @author Brad Wasson
 */
jQuery.fn.dataTableExt.aTypes.unshift(
        function ( sData )
        {
                if (/^\d{1,3}[\.]\d{1,3}[\.]\d{1,3}[\.]\d{1,3}$/.test(sData)) {
                        return 'ip-address';
                }
                return null;
        }
);