{% if user.is_authenticated %}
<form action="{% url comments-post %}" method="post" id="comment-form">
{{ form.as_p }}
<input type="submit" name="post" value="Post Comment" id="comment-form-post"/>
</form>
{% else %}
<p>
Please <a href="{% url accounts-login %}">login</a> or
<a href="{% url accounts-register %}">register</a> to leave a comment.
</p>
{% endif %}