Wordpress Pagination

loop.php

<?php
$paged = ( get_query_var( 'paged' ) ) ? get_query_var( 'paged' ) : 1;
 
$args = array(
   'posts_per_page' => 6,
   'paged' => $paged
);
 
$custom_query = new WP_Query( $args );
 
while($custom_query->have_posts()) : 
   $custom_query->the_post();	
?>
   <div>
	<ul>
	  <li>
	    <h3><a class="blog-title" href="<?php the_permalink(); ?>" rel="bookmark"><?php the_title(); ?></a></h3>
		<span>Written <i>by:&nbsp;</i> <a class="link" href="<?php bloginfo('url'); ?>/author/<?php the_author(); ?>"> <?php the_author(); ?></a> <i>on</i> <?php the_time('F j, Y'); ?> <a class="link" href="<?php the_permalink(); ?>#comments "><?php comments_number( '', '- 1 comment', '- % comments' ); ?></a></span>
		<div>
		   <ul>
			<div><a href="<?php the_permalink(); ?>"><?php the_post_thumbnail('thumbnail'); ?></a></div>
		   </ul>
		   <ul>
			<li class="work-description"><?php echo the_excerpt(); ?></li>
		   </ul>				
		</div>	
		<div><?php the_tags(); ?>			
	   </li>
	</ul>
   </div> <!-- end blog posts -->	
											
     <?php endwhile; ?>		
   </div>

pagination_function.php

<?php
// numbered pagination
function pagination($pages = '', $range = 4)
{  
     $showitems = ($range * 2)+1;  
 
     global $paged;
     if(empty($paged)) $paged = 1;
 
     if($pages == '')
     {
         global $wp_query;
         $pages = $wp_query->max_num_pages;
         if(!$pages)
         {
             $pages = 1;
         }
     }   
 
     if(1 != $pages)
     {
         echo "<div class=\"pagination\"><span>Page ".$paged." of ".$pages."</span>";
         if($paged > 2 && $paged > $range+1 && $showitems < $pages) echo "<a href='".get_pagenum_link(1)."'>&laquo; First</a>";
         if($paged > 1 && $showitems < $pages) echo "<a href='".get_pagenum_link($paged - 1)."'>&lsaquo; Previous</a>";
 
         for ($i=1; $i <= $pages; $i++)
         {
             if (1 != $pages &&( !($i >= $paged+$range+1 || $i <= $paged-$range-1) || $pages <= $showitems ))
             {
                 echo ($paged == $i)? "<span class=\"current\">".$i."</span>":"<a href='".get_pagenum_link($i)."' class=\"inactive\">".$i."</a>";
             }
         }
 
         if ($paged < $pages && $showitems < $pages) echo "<a href=\"".get_pagenum_link($paged + 1)."\">Next &rsaquo;</a>";  
         if ($paged < $pages-1 &&  $paged+$range-1 < $pages && $showitems < $pages) echo "<a href='".get_pagenum_link($pages)."'>Last &raquo;</a>";
         echo "</div>\n";
     }
}
?>

pagination_function_call.php

<?php if (function_exists("pagination")) {
    pagination($custom_query->max_num_pages);
} ?>