--- popups.js	2011-10-05 20:59:27.000000000 -0400
+++ popups.js.modified	2011-10-05 20:59:45.000000000 -0400
@@ -1158,7 +1158,7 @@
 };
 
 Drupal.theme.prototype.popupTemplate = function(popupId) {
-  var template;
+  var template = '';
   template += '<div id="'+ popupId + '" class="popups-box">';
   template += '  <div class="popups-title">';
   template += '    <div class="popups-close"><a href="#">' + Drupal.t('Close') + '</a></div>';