Ajax comments not working

<div>
    <div class="CommentList"></div>
    <form action="" class="commentForm">
        <textarea name="comment"></textarea>
        <input type="button" value="Comment" class="btnComment" />
    </form>
</div>
<div>
    <div class="CommentList"></div>
    <form action="" class="commentForm">
        <textarea name="comment"></textarea>
        <input type="button" value="Comment" class="btnComment" />
    </form>
</div>
<script type="text/javascript">
    $(document).ready(function () {
        $('.commentForm').each(function () {
            $(this).prepend('<div class="comment-status"></div>');
        });

        $('.commentForm').find('.btnComment:button:not(.Process)').live('click', function () {
            $(this).addClass('Process').attr('disabled', true);
            var commentFormObj = $(this).parents('form.commentForm');
            commentFormObj.find('textarea[name=comment]').val('');
            var statusDivObj = $(this).find('.comment-status');
            statusDivObj.html('<p>Processing...</p>');
            $.ajax({
                url: commentFormObj.attr('action'), type: 'Post', dataType: 'json',
                data: commentFormObj.serialize(),
                error: function (XMLHttpRequest, textStatus, errorThrown) {
                    statusDivObj.html('<p class="ajax-error" >You might have left one of the fields blank, or be posting too quickly or your comment was too short.</p>');
                },
                success: function (data, textStatus) {
                    if (data == "success")
                        statusDivObj.html('<p class="ajax-success" >Thanks for your comment. Refresh the page to see it.</p>');
                    commentFormObj.find('.btnComment:button').removeClass('.Process').attr('disabled', false);
                }
            });
        });
    });
</script>