Improved detection for possible javascript errors (i.e. PHP errors, plugins that use invalid PHP 5.4+ syntax, other causes - that people seem to hit a lot)

If the serendipity.spawn function could not be found, we emit a warning (through javascript...)

See thread on forums: http://board.s9y.org/viewtopic.php?f=11&t=20286

docs/NEWS

@@ -2,6 +2,11 @@
 
 Version 2.0.1 ()
 ------------------------------------------------------------------------
+
+   * Improved detection for possible upgrade/plugin/PHP errors. A
+     warning will be emitted on the dashboard, when the Serendipity
+     JavaScript-library could not be loaded.
+     
    * syndication fix: use absolute urls for subtome
    
    * Issue 306: localStorage may be deactivated by setting a config

include/admin/overview.inc.php

@@ -39,6 +39,7 @@ $bookmarklet = "javascript:var%20d=document,w=window,e=w.getSelection,k=d.getSel
 
 $data['bookmarklet'] = $bookmarklet;
 $data['username'] = $user[0]['realname'];
+$data['js_failure_file'] = serendipity_getTemplateFile('admin/serendipity_editor.js');
 
 $output = array();
 serendipity_plugin_api::hook_event('backend_frontpage_display', $output);

include/functions_smarty.inc.php

@@ -1189,8 +1189,10 @@ function serendipity_smarty_shutdown($serendipity_directory = '') {
  * Render a smarty-template
  * $template: path to the template-file
  * $data: map with the variables to assign
+ * $debugtype: If set, debug string is prepended. Can be set to HTML or JS.
+ * $debug: Possible debug string that is prepended to output
  */
-function serendipity_smarty_show($template, $data = null) {
+function serendipity_smarty_show($template, $data = null, $debugtype = null, $debug = null) {
     global $serendipity;
 
     if (!is_object($serendipity['smarty'])) {
@@ -1199,5 +1201,14 @@ function serendipity_smarty_show($template, $data = null) {
 
     $serendipity['smarty']->assign($data);
 
-    return $serendipity['smarty']->fetch(serendipity_getTemplateFile($template, 'serendipityPath'));
+    $tplfile = serendipity_getTemplateFile($template, 'serendipityPath');
+    if ($debug !== null) {
+        if ($debugtype == "HTML") {
+            $debug = "<!-- Dynamically fetched " . htmlspecialchars($tplfile) . " on " . date('Y-m-d H:i') . ", called from: " . $debug . " -->\n";
+        } else {
+            $debug = "/* Dynamically fetched " . htmlspecialchars($tplfile) . " on " . date('Y-m-d H:i') . ", called from: " . $debug . " */\n";
+        }
+    }
+
+    return $debug . $serendipity['smarty']->fetch($tplfile);
 }

include/plugin_api.inc.php

@@ -88,7 +88,7 @@ function errorHandlerCreateDOM(htmlStr) {
                     header('Content-Type: application/javascript');
                     global $serendipity;
 
-                    echo serendipity_smarty_show('admin/serendipity_editor.js.tpl');
+                    echo serendipity_smarty_show('admin/serendipity_editor.js.tpl', null, 'JS', 'include/plugin_api.inc.php:external_plugin');
                 break;
             }
             break;

lang/UTF-8/plugin_lang.php

@@ -140,3 +140,5 @@ foreach($const['missing'] AS $file => $constants) {
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/UTF-8/serendipity_lang_bg.inc.php

@@ -1082,3 +1082,5 @@ $i18n_filename_to   = array('-', 'a', 'A', 'b', 'B', 'v', 'V', 'g', 'G', 'd', 'D
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/UTF-8/serendipity_lang_cn.inc.php

@@ -1092,3 +1092,5 @@
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/UTF-8/serendipity_lang_cs.inc.php

@@ -1120,3 +1120,5 @@ $i18n_filename_to = array (
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/UTF-8/serendipity_lang_cz.inc.php

@@ -1120,3 +1120,5 @@ $i18n_filename_to = array (
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/UTF-8/serendipity_lang_da.inc.php

@@ -1089,3 +1089,5 @@
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/UTF-8/serendipity_lang_de.inc.php

@@ -1092,3 +1092,5 @@
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'Keine Tags');
 @define('DASHBOARD_ENTRIES', 'In Vorbereitung');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/UTF-8/serendipity_lang_en.inc.php

@@ -1091,3 +1091,5 @@
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/UTF-8/serendipity_lang_es.inc.php

@@ -1108,3 +1108,5 @@ Melvin TODO [20060128]: What spanish word do we use for "referrers" ??
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/UTF-8/serendipity_lang_fa.inc.php

@@ -1092,3 +1092,5 @@
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/UTF-8/serendipity_lang_fi.inc.php

@@ -1090,3 +1090,5 @@
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/UTF-8/serendipity_lang_fr.inc.php

@@ -1097,3 +1097,5 @@
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/UTF-8/serendipity_lang_hu.inc.php

@@ -1088,3 +1088,5 @@
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/UTF-8/serendipity_lang_is.inc.php

@@ -1090,3 +1090,5 @@
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/UTF-8/serendipity_lang_it.inc.php

@@ -1093,3 +1093,5 @@
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/UTF-8/serendipity_lang_ja.inc.php

@@ -1094,3 +1094,5 @@
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/UTF-8/serendipity_lang_ko.inc.php

@@ -1092,3 +1092,5 @@
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/UTF-8/serendipity_lang_nl.inc.php

@@ -1092,3 +1092,5 @@
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/UTF-8/serendipity_lang_no.inc.php

@@ -1092,3 +1092,5 @@
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/UTF-8/serendipity_lang_pl.inc.php

@@ -1088,3 +1088,5 @@ $i18n_filename_to   = array('_', 'a', 'A', 'a', 'A', 'b', 'B', 'c', 'C', 'c', 'C
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/UTF-8/serendipity_lang_pt.inc.php

@@ -1094,3 +1094,5 @@
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/UTF-8/serendipity_lang_pt_PT.inc.php

@@ -1101,3 +1101,5 @@
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/UTF-8/serendipity_lang_ro.inc.php

@@ -1091,3 +1091,5 @@
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/UTF-8/serendipity_lang_ru.inc.php

@@ -1093,3 +1093,5 @@ $i18n_filename_to   = array('_', 'a', 'A', 'b', 'B', 'v', 'V', 'g', 'G', 'd', 'D
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/UTF-8/serendipity_lang_sa.inc.php

@@ -1009,3 +1009,5 @@
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/UTF-8/serendipity_lang_se.inc.php

@@ -1090,3 +1090,5 @@
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/UTF-8/serendipity_lang_sk.inc.php

@@ -1080,3 +1080,5 @@ $i18n_filename_to = array (
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/UTF-8/serendipity_lang_ta.inc.php

@@ -1089,3 +1089,5 @@
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/UTF-8/serendipity_lang_tn.inc.php

@@ -1094,3 +1094,5 @@ $i18n_unknown = 'tw';
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/UTF-8/serendipity_lang_tr.inc.php

@@ -1094,3 +1094,5 @@
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/UTF-8/serendipity_lang_tw.inc.php

@@ -1095,3 +1095,5 @@ $i18n_unknown = 'tw';
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/UTF-8/serendipity_lang_zh.inc.php

@@ -1090,3 +1090,5 @@
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/addlang.txt

@@ -1 +1,2 @@
-@define('DASHBAORD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/plugin_lang.php

@@ -140,3 +140,5 @@ foreach($const['missing'] AS $file => $constants) {
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/serendipity_lang_bg.inc.php

@@ -1082,3 +1082,5 @@ $i18n_filename_to   = array('-', 'a', 'A', 'b', 'B', 'v', 'V', 'g', 'G', 'd', 'D
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/serendipity_lang_cn.inc.php

@@ -1092,3 +1092,5 @@
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/serendipity_lang_cs.inc.php

@@ -1120,3 +1120,5 @@ $i18n_filename_to = array (
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/serendipity_lang_cz.inc.php

@@ -1120,3 +1120,5 @@ $i18n_filename_to = array (
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/serendipity_lang_da.inc.php

@@ -1089,3 +1089,5 @@
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/serendipity_lang_de.inc.php

@@ -1092,3 +1092,5 @@
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'Keine Tags');
 @define('DASHBOARD_ENTRIES', 'In Vorbereitung');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/serendipity_lang_en.inc.php

@@ -1091,3 +1091,5 @@
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/serendipity_lang_es.inc.php

@@ -1108,3 +1108,5 @@ Melvin TODO [20060128]: What spanish word do we use for "referrers" ??
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/serendipity_lang_fa.inc.php

@@ -1092,3 +1092,5 @@
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/serendipity_lang_fi.inc.php

@@ -1090,3 +1090,5 @@
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/serendipity_lang_fr.inc.php

@@ -1097,3 +1097,5 @@
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/serendipity_lang_hu.inc.php

@@ -1088,3 +1088,5 @@
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/serendipity_lang_is.inc.php

@@ -1090,3 +1090,5 @@
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/serendipity_lang_it.inc.php

@@ -1093,3 +1093,5 @@
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/serendipity_lang_ja.inc.php

@@ -1094,3 +1094,5 @@
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/serendipity_lang_ko.inc.php

@@ -1092,3 +1092,5 @@
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/serendipity_lang_nl.inc.php

@@ -1092,3 +1092,5 @@
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/serendipity_lang_no.inc.php

@@ -1092,3 +1092,5 @@
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/serendipity_lang_pl.inc.php

@@ -1088,3 +1088,5 @@ $i18n_filename_to   = array('_', 'a', 'A', 'a', 'A', 'b', 'B', 'c', 'C', 'c', 'C
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/serendipity_lang_pt.inc.php

@@ -1094,3 +1094,5 @@
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/serendipity_lang_pt_PT.inc.php

@@ -1101,3 +1101,5 @@
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/serendipity_lang_ro.inc.php

@@ -1091,3 +1091,5 @@
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/serendipity_lang_ru.inc.php

@@ -1093,3 +1093,5 @@ $i18n_filename_to   = array('_', 'a', 'A', 'b', 'B', 'v', 'V', 'g', 'G', 'd', 'D
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/serendipity_lang_sa.inc.php

@@ -1009,3 +1009,5 @@
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/serendipity_lang_se.inc.php

@@ -1090,3 +1090,5 @@
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/serendipity_lang_sk.inc.php

@@ -1080,3 +1080,5 @@ $i18n_filename_to = array (
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/serendipity_lang_ta.inc.php

@@ -1089,3 +1089,5 @@
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/serendipity_lang_tn.inc.php

@@ -1094,3 +1094,5 @@ $i18n_unknown = 'tw';
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/serendipity_lang_tr.inc.php

@@ -1094,3 +1094,5 @@
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/serendipity_lang_tw.inc.php

@@ -1095,3 +1095,5 @@ $i18n_unknown = 'tw';
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

lang/serendipity_lang_zh.inc.php

@@ -1090,3 +1090,5 @@
 @define('EDITOR_TAGS', 'Tags');
 @define('EDITOR_NO_TAGS', 'No tags');
 @define('DASHBOARD_ENTRIES', 'In Progress');
+@define('JS_FAILURE', 'The Serendipity JavaScript-library could not be loaded. This can happen due to PHP or Plugin errors, or even a malformed browser cache. To check the exact error please open <a href="%1$s">%1$s</a> manually in your browser and check for error messages.');
+

templates/2k11/admin/overview.inc.tpl

@@ -127,3 +127,11 @@
             </ul>
         </section>
     </div>
+
+<script type="text/javascript">
+$(document).ready(function() {
+    if (typeof(serendipity) != 'object' || typeof(serendipity.spawn) != 'function') {
+        $('#dashboard_header').after("<span class=\"msg_error\"><span class=\"icon-attention-circled\"></span> {$CONST.JS_FAILURE|sprintf:$js_failure_file|escape:javascript}</span>");
+    }
+});
+</script>