gravatars-2.6 help

i want to install gravatars-2.6 plugin. bust when ever i edit my comments.php i get errors…. if any one plese help me….. how can i insert this code

…
<?php foreach ($comments as $comment) :
if (function_exists(‘gravatar’)) {
if (” != get_comment_author_url()) {
echo “comment_author_url’ title=’Visit $comment->comment_author’>”;
} else {
echo ““;
}
echo “<img src='”;
if (” == $comment->comment_type) {
echo gravatar($comment->comment_author_email);
} elseif ( (‘trackback’ == $comment->comment_type) || (‘pingback’ == $comment->comment_type) ) {
echo gravatar($comment->comment_author_url);
}
echo “‘ alt=’a gravatar’ class=’gravatar’ />“;
}
?>
<div id=”commentbox”>
…

IN MY COMMENTS.PHP FILE

here’s my “comments.php” file

<?php // Do not delete these lines
if (‘comments.php’ == basename($_SERVER[‘SCRIPT_FILENAME’]))
die (‘Please do not load this page directly. Thanks!’);

if (!empty($post->post_password)) { // if there’s a password
if ($_COOKIE[‘wp-postpass_’ . COOKIEHASH] != $post->post_password) { // and it doesn’t match the cookie
?>

<p class=”nocomments”><?php _e(“This post is password protected. Enter the password to view comments.”); ?>

<?php
return;
}
}

/* This variable is for alternating comment background */
$oddcomment = ‘#e5e5e5’;
?>

<!– You can start editing here. –>
<div id=”comments”>

<?php if ($comments) : ?>
<h3 ><?php comments_number(‘No Responses’, ‘One Response’, ‘% Responses’ );?> to “<?php the_title(); ?>”</h3>

<?php $count=0; ?>
<?php foreach ($comments as $comment) : ?>
<?php $count++; ?>

<div style=”padding: 5px; padding-bottom: 20px;”>

<?php
$email = $comment->comment_author_email;
$default = get_bloginfo(‘stylesheet_directory’) . “/default.gif”;
$size = 40;
$grav_url = “http://www.gravatar.com/avatar.php? gravatar_id=”.md5($email). “&default=”.urlencode($default). “&size=”.$size;
?>
“>
<div class=”commentheader”>
<?php echo “<div style=\”color: #000;padding-left: 10px;\”><div style=\”display:inline; font-weight: bold; font-family: ‘Century Gothic’, Verdana, sans-serif; font-size: 10pt;\”>$count</div>  “; ?>
<?php echo “by “; comment_author_link(); ?> on
” title=””><?php the_time(‘l, F jS, Y’) ?>
<?php edit_comment_link(‘e’,’|’,”); ?>
</div></div>
<?php if ($comment->comment_approved == ‘0’) : ?>
Your comment is awaiting moderation.
<?php endif; ?>

<?php
if (strstr($_SERVER[‘HTTP_USER_AGENT’], “MSIE”)) {$ie=TRUE;}
?>

<?php if (!$ie) { ?><img style=”margin-top: 12px; margin-right: 5px; float: left; border: 1px solid #fff;” src=”<?php echo $grav_url; ?>” alt=”” /><?php } ?><?php comment_text() ?>

<div style=”clear: both;”></div>

</div>
<?php endforeach; /* end for each comment */ ?>

<?php else : // this is displayed if there are no comments so far ?>

<?php if (‘open’ == $post-> comment_status) : ?>
<!– If comments are open, but there are no comments. –>

<?php else : // comments are closed ?>
<!– If comments are closed. –>
<p class=”nocomments”>Comments are closed.

<?php endif; ?>
<?php endif; ?>
<?php if (‘open’ == $post-> comment_status) : ?>

<h4><font color=”#000000″><u>Sign
up to get your own gravatar</u></font></h4>
<h4><font color=”#FFFFFF”><small>This entry was posted on
<?php the_time(‘l, F jS, Y’) ?>
at
<?php the_time() ?>
. You can follow any responses to this entry through the
<?php comments_rss_link(‘RSS 2.0’); ?>
feed.<u> If you’re wondering how to get<font color=”#666699″> <font color=”#FFFF00″>your
very own icon</font> <font color=”#FFFFFF”>next to your comment,
go visit gravatar.com
and get yourself signup</font></font></u></small> </font></h4>
  <div id=”commentbox”>

<h3 id=”respond”>Leave a Reply</h3>

<?php if ( get_option(‘comment_registration’) && !$user_ID ) : ?>
You must be /wp-login.php?redirect_to=<?php the_permalink(); ?>”>logged in to post a comment.
<?php else : ?>

<form action=”<?php echo get_option(‘siteurl’); ?>/wp-comments-post.php” method=”post” id=”commentform”>

<?php if ( $user_ID ) : ?>

Logged in as /wp-admin/profile.php”><?php echo $user_identity; ?>. /wp-login.php?action=logout” title=”<?php _e(‘Log out of this account’) ?>”>Logout »

<?php else : ?>

<input type=”text” name=”author” id=”author” value=”<?php echo $comment_author; ?>” size=”22″ tabindex=”1″ />
<label for=”author”><small>Name <?php if ($req) _e(‘(required)’); ?></small></label>

<input type=”text” name=”email” id=”email” value=”<?php echo $comment_author_email; ?>” size=”22″ tabindex=”2″ />
<label for=”email”><small>Mail (will not be published) <?php if ($req) _e(‘(required)’); ?></small></label>

<input type=”text” name=”url” id=”url” value=”<?php echo $comment_author_url; ?>” size=”22″ tabindex=”3″ />
<label for=”url”><small>Website</small></label>

<?php endif; ?>
<!–<small>XHTML: You can use these tags: <?php echo allowed_tags(); ?></small>–><div id=”commentbox”>
 
<textarea name=”comment” id=”comment” cols=”65″ rows=”10″ tabindex=”4″></textarea>

<input name=”submit” type=”submit” id=”submit” tabindex=”5″ value=”Say it!” />
<input type=”hidden” name=”comment_post_ID” value=”<?php echo $id; ?>” />

<?php do_action(‘comment_form’, $post->ID); ?>

</form>

<?php endif; // If registration required and not logged in ?>
<?php endif; // if you delete this the sky will fall on your head ?>

THANKS