{% load sekizai_tags %}
{% addtoblock "css" %}
    <style>
        .cmsplugin_hoverimage .cmsplugin_hoverimage_hover { display: none; }
        .cmsplugin_hoverimage:hover .cmsplugin_hoverimage_image { display: none; }
        .cmsplugin_hoverimage:hover .cmsplugin_hoverimage_hover { display: inline; }
    </style>
{% endaddtoblock %}
<span class="cmsplugin_hoverimage">
{% if link %}<a href="{{ link }}">{% endif %}
<img src="{{ picture.image.url }}" alt="{{ picture.alt }}"{% if picture.longdesc %} title="{{ picture.longdesc }}"{% endif %} class="cmsplugin_hoverimage_image" />
<img src="{{ picture.hover.url }}" alt="{{ picture.alt }}"{% if picture.longdesc %} title="{{ picture.longdesc }}"{% endif %} class="cmsplugin_hoverimage_hover" />
{% if link %}</a>{% endif %}
</span>