=== modified file 'dhis-2/dhis-web/dhis-web-commons-resources/src/main/webapp/dhis-web-commons/javascripts/dhis2/dhis2.util.js'
--- dhis-2/dhis-web/dhis-web-commons-resources/src/main/webapp/dhis-web-commons/javascripts/dhis2/dhis2.util.js	2014-10-10 07:00:58 +0000
+++ dhis-2/dhis-web/dhis-web-commons-resources/src/main/webapp/dhis-web-commons/javascripts/dhis2/dhis2.util.js	2014-10-10 07:10:36 +0000
@@ -166,6 +166,16 @@
 };
 
 /**
+ * Convenience method to be used from inside custom forms. When a function is
+ * registered inside a form it will be loaded every time the form is loaded,
+ * hence the need to unregister and the register the function.
+ */
+dhis2.util.on = function( event, fn )
+{
+    $( document ).off( event ).on( event, fn );
+};
+
+/**
  * adds ':containsNC' to filtering.
  * $(sel).find(':containsNC(key)').doSomething();
  */