<?php 
/* this highlight comment function is based on Lucid Options [http://www.mattread.com/gravelbox/lucid/] */
function highlight_comment ()
{
	global $comment, $user_email, $comment_author_email, $posts;
	$authordata = get_userdata($posts[0]->post_author);
	get_currentuserinfo();

	if ( ($comment->comment_author_email) AND (get_comment_type() == 'comment') )
	{
		if ( $comment->comment_author_email == $authordata->user_email ) //highlight author
			echo 'class="author-comment"';

		elseif ( $comment->comment_author_email == $user_email ) //highlight user if not author
			echo 'class="user-comment"';

		elseif ( $comment->comment_author_email == $comment_author_email ) //highlight commenter if not user
			echo 'class="user-comment"';
	}

	if (get_comment_type() != 'comment')
		echo 'class="ping-comment"';
	if (get_comment_type() == 'comment')
		echo 'class="user-comment"';
}

/* this statistics function is based on Statistics Plugin For WordPress [http://www.lesterchan.net/] */
### Function: Get Total Posts
function get_totalposts() {
	global $wpdb;
	$totalposts = $wpdb->get_var("SELECT COUNT(ID) FROM $wpdb->posts WHERE post_status = 'publish'");
	echo $totalposts;
}

### Function: Get Total Comments
function get_totalcomments() {
	global $wpdb;
	$totalcomments = $wpdb->get_var("SELECT COUNT(comment_ID) FROM $wpdb->comments WHERE comment_approved = '1'");
	echo $totalcomments;
}

### Function: Get Total Comments Poster
function get_totalcommentposters() {
	global $wpdb;
	$totalcommentposters = $wpdb->get_var("SELECT COUNT(DISTINCT comment_author) FROM $wpdb->comments WHERE comment_approved = '1'");
	echo $totalcommentposters;
}
?>