put in function?

<script src="{% static 'js/handlebars-v3.0.3.js' %}"></script>
{# content layout #}
<script id="handlebarsTemplate" type="text/x-handlebars-template">
    {% include some_string %}
</script>
<script>
$(function(){
var refresher = function () {
    $.getJSON( "{% url some_json_url %}", function(obj) {
        refresh_timer = obj.refresh_timer * 1000;
        setTimeout(refresher, refresh_timer);
        if (obj.content) {
            // do shit with content and data
            var source   = $("#handlebarsTemplate").html();
            var template = Handlebars.compile(source);
            var html    = template(obj.content);
            $("#apiTemplate").replaceWith(html);
        }
    });
  };
  setTimeout(refresher, 300); // 0.3 seconds
});
</script>