Move isadmin to external file

settings/js/isadmin.php

@@ -0,0 +1,20 @@
+<?php
+/**
+ * Copyright (c) 2013 Lukas Reschke <lukas@statuscode.ch>
+ * This file is licensed under the Affero General Public License version 3 or
+ * later.
+ * See the COPYING-README file.
+ */
+
+// Set the content type to Javascript
+header("Content-type: text/javascript");
+
+// Disallow caching
+header("Cache-Control: no-cache, must-revalidate"); 
+header("Expires: Sat, 26 Jul 1997 05:00:00 GMT"); 
+
+if (OC_User::isAdminUser(OC_User::getUser())) {
+	echo("var isadmin = true;");
+} else {
+	echo("var isadmin = false;");
+}

settings/routes.php

@@ -60,3 +60,5 @@ $this->create('settings_ajax_setloglevel', '/settings/ajax/setloglevel.php')
 	->actionInclude('settings/ajax/setloglevel.php');
 $this->create('settings_ajax_setsecurity', '/settings/ajax/setsecurity.php')
 	->actionInclude('settings/ajax/setsecurity.php');
+$this->create('isadmin', '/settings/js/isadmin.js')
+	->actionInclude('settings/js/isadmin.php');

settings/templates/users.php

@@ -13,9 +13,9 @@ $items = array_flip($_['subadmingroups']);
 unset($items['admin']);
 $_['subadmingroups'] = array_flip($items);
 ?>
-<script>
-var isadmin = <?php echo $_['isadmin']?'true':'false'; ?>;
-</script>
+
+<script type="text/javascript" src="<?php echo OC_Helper::linkToRoute('isadmin');?>"></script>
+
 <div id="controls">
 	<form id="newuser" autocomplete="off">
 		<input id="newusername" type="text" placeholder="<?php echo $l->t('Name')?>" /> <input