CSV Download and Notes highlight

admin.php

@@ -148,6 +148,7 @@ require_db_auth();
     </select>
     <select id="yearSelect"></select>
     <button onclick="selectMonthYear()">Submit</button>
+    <button onclick="downloadCSV()">Download CSV</button>
     <p id="output"></p>
 </div>
 
@@ -186,6 +187,11 @@ require_db_auth();
     selectMonth();
     populateYearDropdown();
 
+    function downloadCSV() {
+        let year = document.getElementById("yearSelect").value;
+        let month = document.getElementById("monthSelect").value;
+        window.location.href = `download.php?year=${year}&month=${month}`;
+    }
 </script>
 
 <?php