{% load count_tags %}
<div>
<div id="minutes">
    <option value="None">min</option>
    {% for i in minutes|inc|get_range %}
        <option value="{{ i }}-{{ i|inc }}">{{ i }}-{{ i|inc }} </option>
    {% endfor %}
</div> <!-- /#minutes -->

<div id="seconds">
    <option value="None">sec</option>
    {% for i in seconds|get_range:"0,10" %}
        <option value="{{ i }}-{{ i|add:"10" }}">{{ i }}-{{ i|add:"10" }}</option>
    {% endfor %}
</div> <!-- /#seconds -->
</div> <!-- /required for ajax -->