The ajax login didn't work from the register page. I think this is because there are two input boxes with the same ID in this situation. Renamed the ajax login form's ID's to make them unique.

<div class="smiley_farm">
{% for s in smilies %}
<img src="{{ s.image.url }}" alt="{{ s.code }}" title="{{ s.title }} {{ s.code }}" />
{% endfor %}
</div>