Full Front End, AJAX comment system and comment reply script

<script>
var addComment = {
    settings: function( parentId, postId ) {        

        var 
            t                   = $(this),
            commentDivName      = $('#comment-'+parentId),
            formDivName         = $('#commentForm-'+postId),
            formReplyDivName    = $('#commentReplyForm-'+parentId),
            postDivName         = $('#post-'+postId),
            theform             = formDivName.find('form.comment-form');

            if( !t.length || !commentDivName.length || !formDivName.length || !postDivName.length ) {
                return;
            }

            if(!theform.length){

                $(postDivName).find('[id^=commentReplyForm-]').each(function(){
                    if($(this).find('form.comment-form').length){
                        formDivName = $('#'+$(this).attr('id'));
                    }
                });

                theform         = formDivName.find('form.comment-form');

            }

            theform.find('input[name=parent]').val(parentId);
            theform.appendTo(formReplyDivName);

            var cancel          = formReplyDivName.find('.cancel')
            cancel.show();

    }
};
</script>