diff --git a/static/js/nestedCheckbox.js b/static/js/nestedCheckbox.js
new file mode 100644
index 00000000..6c8f0e97
--- /dev/null
+++ b/static/js/nestedCheckbox.js
@@ -0,0 +1,24 @@
+function nestedCheckbox_change(e) {
+  checkbox = e.target;
+  //Apply children
+  if (!checkbox.indeterminate) {
+    var ul = $(checkbox).parent("li").next("ul")
+    if (ul.length != 0) {
+      ul.children("li").children("input[type=checkbox]").prop("checked", checkbox.checked);
+    }
+  }
+  //Apply parent
+  var ul=$(checkbox).parent("li").parent("ul")
+  var checkbox=$(ul).prev("li").children("input[type=checkbox]")
+  checkboxes=ul.children("li").children("input[type=checkbox]")
+  var checkeds=Array.from(checkboxes).map(el=>el.checked)
+  var scheckeds=new Set(checkeds)
+  if (scheckeds.size>1) {
+    $(checkbox).prop("checked",false);
+    checkbox.prop("indeterminate",true);
+  }
+  else{
+    checkbox.indeterminate=false;
+    checkbox=scheckeds[0];
+  }
+}
\ No newline at end of file