diff --git a/testTaskGate.ps1 b/testTaskGate.ps1
index 4925888..78f8a9c 100644
--- a/testTaskGate.ps1
+++ b/testTaskGate.ps1
@@ -285,10 +285,26 @@ function Build-Checkboxes {
           ) -join "`n"
 
           $html += @"
-<div id='${($_.Id)}OptionsContainer' style='display:none; margin-top:4px;'>
-$subHtml
-</div>
-"@
+            <div id='${($_.Id)}OptionsContainer' style='display:none; margin-top:4px;'>
+            $subHtml
+            </div>
+            <script>
+              document.addEventListener('DOMContentLoaded', function () {
+                const masterCheckbox = document.getElementById('${($_.Id)}');
+                const container = document.getElementById('${($_.Id)}OptionsContainer');
+                if (masterCheckbox && container) {
+                  masterCheckbox.addEventListener('change', function () {
+                    container.style.display = this.checked ? 'block' : 'none';
+                  });
+                  // Auto-show if already checked (e.g. page reload with checkbox checked)
+                  if (masterCheckbox.checked) {
+                    container.style.display = 'block';
+                  }
+                }
+              });
+            </script>
+            "@
+
         }
 
         $html