diff --git a/script/utils.js b/script/utils.js
index f5bff40..fff03c0 100644
--- a/script/utils.js
+++ b/script/utils.js
@@ -1,6 +1,9 @@
 
 function gEncodeToHTML(str)
 {
+    if (typeof str !== 'string')
+      return str;
+        
     return str.replace(/&/g, '&')
                .replace(/</g, '&lt;')
                .replace(/>/g, '&gt;')
@@ -10,6 +13,9 @@ function gEncodeToHTML(str)
 
 function gDecodeFromHTML(str)
 {
+   if (typeof str !== 'string')
+     return str;
+    
    return str.replace(/&apos;/g, "'")
                .replace(/&quot;/g, '"')
                .replace(/&gt;/g, '>')
diff --git a/tpl/home.php b/tpl/home.php
index cf34569..db3d541 100755
--- a/tpl/home.php
+++ b/tpl/home.php
@@ -10,7 +10,7 @@
 
         <script src="<?= Root('i/js/dev/jquery-ui.js')?>"></script>
 	    <script src="<?= Root('i/js/dev/jquery.feedback_me.js')?>"></script>
-        <script src="<?= Root("script/example.js?v=30")?>" ></script>
+        <script src="<?= Root("script/example.js?v=31")?>" ></script>
     </head>
 <!--
 <div class="pull-right">