how can I use a full pager

Good Day,

I am trying to get the pagers on my site consistent. How can I use a full pager < Last>> instead of the regular

I looked at this http://drupal.org/node/387786. What do I add to get the the number list? I have tried all this, but it doesn't work.

$nav_array['first'] = The id of the first node in the entire list.
$nav_array['prev'] = The id of the node that comes before the current one
$nav_array['next'] = The id of the node that comes after the current one
$nav_array['last'] = The id of the last node in the entire list.
$nav_array['full_list'] = An array containing all the node IDs in the list, in order.
$nav_array['current_index'] = The array index of the current node in that list.

Am I even doing it right?

Thank you,

Mark