<?php
function get_related_posts($post_id, $tags = array()) {
	$query = new WP_Query();
	
	$post_types = get_post_types();
	unset($post_types['page'], $post_types['attachment'], $post_types['revision'], $post_types['nav_menu_item']);
	
	if($tags) {
		foreach($tags as $tag) {
			$tagsA[] = $tag->term_id;
		}
	}
	
	$args = wp_parse_args($args, array(
		'showposts' => 4,
		'post_type' => $post_types,
		'post__not_in' => array($post_id),
		'tag__in' => $tagsA,
		'ignore_sticky_posts' => 1,
	));
	
	$query = new WP_Query($args);
	
  	return $query;
}

function kriesi_pagination($pages = '', $range = 2)
{  
     $showitems = ($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 != $pages)
     {
         echo "<div class='pagination'>";
         if($paged > 2 && $paged > $range+1 && $showitems < $pages) echo "<a href='".get_pagenum_link(1)."'><span class='arrows'>&laquo;</span> First</a>";
         if($paged > 1 && $showitems < $pages) echo "<a href='".get_pagenum_link($paged - 1)."'><span class='arrows'>&lsaquo;</span> 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 <span class='arrows'>&rsaquo;</span></a>";  
         if ($paged < $pages-1 &&  $paged+$range-1 < $pages && $showitems < $pages) echo "<a href='".get_pagenum_link($pages)."'>Last <span class='arrows'>&raquo;</span></a>";
         echo "</div>\n";
     }
}

function string_limit_words($string, $word_limit)
{
	$words = explode(' ', $string, ($word_limit + 1));
	
	if(count($words) > $word_limit) {
		array_pop($words);
	}
	
	return implode(' ', $words);
}