diff --git a/include/plugin_api.inc.php b/include/plugin_api.inc.php
index e852dbbf..00cd7203 100644
--- a/include/plugin_api.inc.php
+++ b/include/plugin_api.inc.php
@@ -34,6 +34,25 @@ function serendipity_plugin_api_frontend_header($event_name, &$bag, &$eventData,
     <script>jQuery.noConflict();</script>
 <?php
     }
+    // add a global available (index.tpl; admin/index.tpl; preview_iframe.tpl) redirect error string function used by errorToExceptionHandler()
+    // hardened by admin only - better have that here, to be reachable everywhere
+    if ($serendipity['production'] === true) {
+        if( $serendipity['serendipityUserlevel'] >= USERLEVEL_ADMIN ) {
+?>
+    <script type="text/javascript">
+        function create(htmlStr) {
+            var frag = document.createDocumentFragment(),
+                temp = document.createElement("div");
+                temp.innerHTML = htmlStr;
+            while (temp.firstChild) {
+                frag.appendChild(temp.firstChild);
+            }
+            return frag;
+        }
+    </script>
+<?php
+        }
+    }
 }
 
 // Add jquery to all backend templates