Index: options_element.js
===================================================================
RCS file: /cvs/drupal-contrib/contributions/modules/options_element/options_element.js,v
retrieving revision 1.11
diff -u -p -r1.11 options_element.js
--- options_element.js	29 Dec 2010 19:12:51 -0000	1.11
+++ options_element.js	10 Jan 2011 19:26:27 -0000
@@ -586,7 +589,7 @@ Drupal.optionsElement.prototype.optionsF
   if (this.manualDefaultValueElement) {
     if (this.multiple) {
       var defaults = this.manualDefaultValueElement.value.split(',');
-      for (var n = 0; n < options.length; n++) {
+      for (var n = 0; n < defaults.length; n++) {
         var defaultValue = defaults[n].replace(/^[ ]*(.*?)[ ]*$/, '$1'); // trim().
         defaultValues[defaultValue] = defaultValue;
       }