{% if attendee in agenda.meeting.attendees %}
            <img class="icon" src="/media/img/attending.png" alt="Attending">
        {% else %}
            <img class="icon" src="/media/img/not_attending.png" alt="Not Attending" onclick="changeStatus()">
        {% endif %}


code code code and more code
blah blah blah wohoooo


scripts here blah blah blah

<script>
function changeStatus()
{
$.post("{% url summit.schedule.views.attend_meeting agenda.meeting.summit.name, agenda.meeting.id %}", { participation: "ATTENDING" } , function(data){if data[success]=False: <img class="icon" src="/media/img/attending.png alt="Attending">});
}
</script>