diff --git a/themes/blueprint/js/embedGBS.js b/themes/blueprint/js/embedGBS.js
index a6dfa1abfcd5c06b83a9e7efd9c569275e0023a3..ae81464ebeed323816e8dcb0e1ea3296bf22fbc7 100644
--- a/themes/blueprint/js/embedGBS.js
+++ b/themes/blueprint/js/embedGBS.js
@@ -1,3 +1,5 @@
+/*global getBibKeyString, google */
+
 // we don't need to wait for dom ready since lang is in the dom root
 var lang = document.documentElement.getAttribute('lang');
 google.load("books", "0", {"language":lang});
diff --git a/themes/blueprint/js/lightbox.js b/themes/blueprint/js/lightbox.js
index 53163b454ae4f9e839c1df133b7fbb63c68bcb6e..097ce3894545ea3be7b45da0a8e2141cc1b008ac 100644
--- a/themes/blueprint/js/lightbox.js
+++ b/themes/blueprint/js/lightbox.js
@@ -1,4 +1,4 @@
-/*global checkSaveStatuses, confirm, extractController, extractSource, getItemsFromCartCookie, hexEncode, htmlEncode, path, printIDs, rc4Encrypt, Recaptcha, redrawCartStatus, refreshCommentList, removeRecordState, saveCartCookie, vufindString*/
+/*global btoa, checkSaveStatuses, confirm, extractController, extractSource, getItemsFromCartCookie, hexEncode, htmlEncode, path, printIDs, rc4Encrypt, Recaptcha, redrawCartStatus, refreshCommentList, removeRecordState, saveCartCookie, unescape, vufindString*/
 
 // keep a handle to the current opened dialog so we can access it later
 var __dialogHandle = {dialog: null, processFollowup:false, followupModule: null, followupAction: null, recordId: null, postParams: null};
diff --git a/themes/blueprint/js/preview.js b/themes/blueprint/js/preview.js
index 5046319500f22fce22285de7e7a8544799271e0f..592a3ed8036196f4961a944e67577bea6044f9eb 100644
--- a/themes/blueprint/js/preview.js
+++ b/themes/blueprint/js/preview.js
@@ -5,7 +5,7 @@ function getHathiOptions() {
 function getGoogleOptions() {
     var opts_temp = $('[class*="googlePreviewSpan"]').attr("class").split('__')[1].split(';');
     var options = {};
-    for (key in opts_temp) {
+    for(var key in opts_temp) {
         var arr = opts_temp[key].split(':');
         options[arr[0]] = arr[1].split(',');
     }