From b62542f74c62a44641c7d51c477ca228ab67332e Mon Sep 17 00:00:00 2001
From: Thomas Tanghus <thomas@tanghus.net>
Date: Mon, 3 Dec 2012 23:38:48 +0100
Subject: [PATCH] Added some missing type checks.

---
 core/js/multiselect.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/core/js/multiselect.js b/core/js/multiselect.js
index bec9b5856c..59c18d0f81 100644
--- a/core/js/multiselect.js
+++ b/core/js/multiselect.js
@@ -117,7 +117,7 @@
 							});
 						}
 						element.attr('selected','selected');
-						if(settings.oncheck){
+						if(typeof settings.oncheck === 'function'){
 							if(settings.oncheck(value)===false){
 								$(this).attr('checked', false);
 								return;
@@ -128,7 +128,7 @@
 					}else{
 						var index=settings.checked.indexOf(value);
 						element.attr('selected',null);
-						if(settings.onuncheck){
+						if(typeof settings.onuncheck === 'function'){
 							if(settings.onuncheck(value)===false){
 								$(this).attr('checked',true);
 								return;