BUGFIX Check for form object before calling observe() on the element.…

… The CheckBoxRange constructor allows for a null form, so a check for a form object is essential. git-svn-id: svn://svn.silverstripe.com/silverstripe/open/modules/cms/branches/2.3@70046 467b73ca-7a2a-4603-9d3b-597d59a354a9
silverstripe · Feb 2, 2011 · aeeb7bb · aeeb7bb
1 parent 6b5cab8
commit aeeb7bb
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/javascript/AssetAdmin.js b/javascript/AssetAdmin.js
@@ -102,8 +102,10 @@ CheckBoxRange.prototype = {
 		this.form = form;
 		this.field = field;
 		this.eventPossibleCheckHappened = this.possibleCheckHappened.bindAsEventListener(this);
-		Event.observe(form, "click", this.eventPossibleCheckHappened);
-		Event.observe(form, "keyup", this.eventPossibleCheckHappened);
+		if(form) {
+			Event.observe(form, "click", this.eventPossibleCheckHappened);
+			Event.observe(form, "keyup", this.eventPossibleCheckHappened);
+		}
 	},
 
 	possibleCheckHappened: function(event) {