gistfile1.js

<script type="text/javascript">

      {# reset the finished date #}
      {% for sel, choice in qdict.choices %}
      var finished_{{ choice.pk }} = false;
      {% endfor %}

      var reset_callbacks = function(event)
      {
        {% for sel, choice in qdict.choices %}
        finished_{{ choice.pk }} = false;
        {% endfor %}
      }

      var time_callback = function(jwtime)
      {
        {% for sel, choice in qdict.choices %}
        var end_time = {{ choice.timecode }} + {{ choice.duration }};
        if(!finished_{{ choice.pk }} && jwtime.position > {{ choice.timecode }} && jwtime.position <= end_time)
        {
            var sel = $('.inputs-list label[for$={{ question.number }}_{{ forloop.counter }}]');
            var true_duration = jwtime.position - {{ choice.timecode }} + {{ choice.duration }};
            $(sel).effect("highlight", {color: '#0064CD', mode: 'show', easing: 'easeInExpo'}, true_duration * 1000);
            finished_{{ choice.pk }} = true;
        }
        {% endfor %}
      }

    </script>