1 files changed, 25 insertions, 5 deletions

diff --git a/extensions/BMO/web/js/form_validate.js b/extensions/BMO/web/js/form_validate.js
index 6c8fa6f07..7e9746a5c 100644
--- a/extensions/BMO/web/js/form_validate.js
+++ b/extensions/BMO/web/js/form_validate.js
@@ -1,9 +1,16 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This Source Code Form is "Incompatible With Secondary Licenses", as
+ * defined by the Mozilla Public License, v. 2.0. */
+
 /**
- * Some Form Validation and Interaction
+ * Form Validation and Interaction
  **/
-//Makes sure that there is an '@' in the address with a '.' 
-//somewhere after it (and at least one character in between them
 
+//Makes sure that there is an '@' in the address with a '.'
+//somewhere after it (and at least one character in between them)
 function isValidEmail(email) {
     var at_index = email.indexOf("@");
     var last_dot = email.lastIndexOf(".");
@@ -12,10 +19,23 @@ function isValidEmail(email) {
 
 //Takes a DOM element id and makes sure that it is filled out
 function isFilledOut(elem_id)  {
-    var str = document.getElementById(elem_id).value;
-    return str.length>0 && str!="noneselected";
+    var el = document.getElementById(elem_id);
+    if (!el) {
+        console.error('Failed to find element: ' + elem_id);
+        return false;
+    }
+    var str = el.value;
+    return str.length > 0 && str != "noneselected";
 }
 
 function isChecked(elem_id) {
     return document.getElementById(elem_id).checked;
 }
+
+function isOneChecked(form_nodelist) {
+    for (var i = 0, il = form_nodelist.length; i < il; i++) {
+        if (form_nodelist[i].checked)
+            return true;
+    }
+    return false;
+}