      hideTabs: true
                };
            
            viz = new tableau.Viz(containerDiv, url, options);
        }
        
        function yearFilter(year) {
            var sheet = viz.getWorkbook().getActiveSheet();
            if (year === "") {
                sheet.clearFilterAsync("Academic Year");
            } else {
                sheet.applyFilterAsync("Academic Year", year, tableau.FilterUpdateType.REPLACE);
            }
        }
    </script>
</head>

<body onload="initViz();">
 