// permit user to comment
Fragment newComment = new Fragment("newComment", "newCommentFragment", this);
GravatarImage img = new GravatarImage("newCommentAvatar", user.username, user.emailAddress,
"gravatar-round", avatarWidth, true);
newComment.add(img);
CommentPanel commentPanel = new CommentPanel("commentPanel", user, ticket, null, TicketsPage.class);
commentPanel.setRepository(repositoryName);
newComment.add(commentPanel);
add(newComment);
}