diff -r 5b37998e522e -r 162c1de6545a web/lib/Zend/View/Helper/UserAgent.php
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/web/lib/Zend/View/Helper/UserAgent.php	Fri Mar 11 15:05:35 2011 +0100
@@ -0,0 +1,76 @@
+<?php
+/**
+ * Zend Framework
+ *
+ * LICENSE
+ *
+ * This source file is subject to the new BSD license that is bundled
+ * with this package in the file LICENSE.txt.
+ * It is also available through the world-wide-web at this URL:
+ * http://framework.zend.com/license/new-bsd
+ * If you did not receive a copy of the license and are unable to
+ * obtain it through the world-wide-web, please send an email
+ * to license@zend.com so we can send you a copy immediately.
+ *
+ * @category   Zend
+ * @package    Zend_View
+ * @subpackage Helper
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+
+/** Zend_View_Helper_Abstract */
+require_once 'Zend/View/Helper/Abstract.php';
+
+/**
+ * Helper for interacting with UserAgent instance
+ *
+ * @package    Zend_View
+ * @subpackage Helper
+ * @copyright  Copyright (c) 2005-2010 Zend Technologies USA Inc. (http://www.zend.com)
+ * @license    http://framework.zend.com/license/new-bsd     New BSD License
+ */
+class Zend_View_Helper_UserAgent extends Zend_View_Helper_Abstract
+{
+    /**
+     * Helper method: retrieve or set UserAgent instance
+     * 
+     * @param  null|Zend_Http_UserAgent $userAgent 
+     * @return Zend_Http_UserAgent
+     */
+    public function userAgent(Zend_Http_UserAgent $userAgent = null)
+    {
+        if (null !== $userAgent) {
+            $this->setUserAgent($userAgent);
+        }
+        return $this->getUserAgent();
+    }
+
+    /**
+     * Set UserAgent instance
+     * 
+     * @param  Zend_Http_UserAgent $userAgent 
+     * @return Zend_View_Helper_UserAgent
+     */
+    public function setUserAgent(Zend_Http_UserAgent $userAgent)
+    {
+        $this->_userAgent = $userAgent;
+        return $this;
+    }
+
+    /**
+     * Retrieve UserAgent instance
+     *
+     * If none set, instantiates one using no configuration
+     * 
+     * @return Zend_Http_UserAgent
+     */
+    public function getUserAgent()
+    {
+        if (null === $this->_userAgent) {
+            require_once 'Zend/Http/UserAgent.php';
+            $this->setUserAgent(new Zend_Http_UserAgent());
+        }
+        return $this->_userAgent;
+    }
+}