Ignore stopword "the" when sorting records

Hello,
I am trying to sort some records so that the stopword "the " and the space is ignored during the sorting, although I still want to have it displayed in the list.
Example:
THE ANVIL
AMORE
THE AZIMUTH
I am trying to modify the file helper.php in modules/mod_yj_newsflash5 by changing line 98 as follows:
to However this does not seem to work and I wonder where else I need to make this change. Any pointer is more than welcome.

Are you sure your are posting in product assigned forum?: Yes

What is your CMS version?: Joomla 2.5

MySQL Version: 5.x

PHP version: 5.x

Link to installation: X-Ray Touring - London

Have you edited any files? If yes tell us which ones.: No

Are you sure your are posting in product assigned forum?: Yes

What is your CMS version?: Joomla 2.5

MySQL Version: 5.x

PHP version: 5.x

Link to installation: X-Ray Touring - London

Have you edited any files? If yes tell us which ones.: Yes

you ask difficult than I would like to learn this
can anyone help?