$(document).on('ready pjax:scriptcomplete',function(){
 
        // Identify some elements
        var thisQuestion = $('#question{QID}');
        var mapCheckbox = $(':checkbox:last', thisQuestion);
        var mapQuestion = $(thisQuestion).nextAll('.text-short:eq(0)');
 
        // Listener on the checkbox
        $(mapCheckbox).on('change', function(e) {
            handleMap();
        });
 
        // Initial state
        handleMap();
 
        // Function to handle the map visibility
        function handleMap() {
 
            if($(mapCheckbox).is(':checked')) {
                $(mapQuestion).removeClass('custom-hidden');
            }
            else {
                $(mapQuestion).addClass('custom-hidden');
            }
        };
 
    });
</script>

<style type="text/css" data-author="Tony Partner">
 
    .custom-hidden {
        position: absolute;
        left: -9999em;
    }
</style>