Pagenavi problems

Hi everyone!i Got a problem with the navigation pages in WordPress(Woo Premiumnews Theme).My theme by default is something like this:
?php endwhile; ?>

<div class=”fix” style=”height:20px”></div>

<p class=”ar hl3″>” class=”more”><?php _e(‘SEE MORE ARTICLES IN THE ARCHIVE’,woothemes); ?></p>

</div><!–/box–>

Now i have instaled pagenavi and i modified just like this in blog.php:
<?php endwhile; ?>

<div class=”fix”></div>

<?php wp_pagenavi(); ?>

and in default.php I left as I mentioned above, nothing happens anyway, I tried.contrary,i still remain on the same page,homepage.if someone can help me.. Thanks in advance

[please mark the code in your post using the ‘code’ button – otherwise you lose some html inthe output]