diff --git a/module/todo/js/common.js b/module/todo/js/common.js
new file mode 100644
index 0000000000..f79fbdd536
--- /dev/null
+++ b/module/todo/js/common.js
@@ -0,0 +1,12 @@
+function switchDateTodo(switcher)
+{
+    if(switcher.checked)
+    {
+        $('#date').attr('disabled','disabled');
+    }
+    else
+    {
+        $('#date').removeAttr('disabled');
+    }
+}
+