diff --git a/library/Zend/Controller/Plugin/ActionStack.php b/library/Zend/Controller/Plugin/ActionStack.php
old mode 100644
new mode 100755
index 8a96280..fbde00e
--- a/library/Zend/Controller/Plugin/ActionStack.php
+++ b/library/Zend/Controller/Plugin/ActionStack.php
@@ -52,12 +52,21 @@ class Zend_Controller_Plugin_ActionStack extends Zend_Controller_Plugin_Abstract
      * @var array
      */
     protected $_validKeys = array(
-        'module', 
+        'module',
         'controller',
         'action',
         'params'
     );
 
+
+  /**
+   * Flag to determine whether request parameters are cleared between actions, or whether new parameters
+   * are added to existing request parameters.
+   *
+   * @var Bool
+   */
+    protected $_clearRequestParams = false;
+
     /**
      * Constructor
      *
@@ -83,8 +92,8 @@ class Zend_Controller_Plugin_ActionStack extends Zend_Controller_Plugin_Abstract
 
     /**
      * Set registry object
-     * 
-     * @param  Zend_Registry $registry 
+     *
+     * @param  Zend_Registry $registry
      * @return Zend_Controller_Plugin_ActionStack
      */
     public function setRegistry(Zend_Registry $registry)
@@ -95,7 +104,7 @@ class Zend_Controller_Plugin_ActionStack extends Zend_Controller_Plugin_Abstract
 
     /**
      * Retrieve registry object
-     * 
+     *
      * @return Zend_Registry
      */
     public function getRegistry()
@@ -125,9 +134,35 @@ class Zend_Controller_Plugin_ActionStack extends Zend_Controller_Plugin_Abstract
         return $this;
     }
 
+
+   /**
+    *  Set clearRequestParams flag
+    *
+    *  @param bool $clearRequestParams
+    *  @return Zend_Controller_Plugin_ActionStack
+    */
+   public function setClearRequestParams($clearRequestParams)
+   {
+       $this->_clearRequestParams = (bool) $clearRequestParams;
+       return $this;
+   }
+
+    /**
+     * Retrieve clearRequestParams flag
+     *
+     * @return bool
+     */
+    public function getClearRequestParams()
+    {
+        return $this->_clearRequestParams;
+    }
+
+
+
+
     /**
      * Retrieve action stack
-     * 
+     *
      * @return array
      */
     public function getStack()
@@ -139,8 +174,8 @@ class Zend_Controller_Plugin_ActionStack extends Zend_Controller_Plugin_Abstract
 
     /**
      * Save stack to registry
-     * 
-     * @param  array $stack 
+     *
+     * @param  array $stack
      * @return Zend_Controller_Plugin_ActionStack
      */
     protected function _saveStack(array $stack)
@@ -152,8 +187,8 @@ class Zend_Controller_Plugin_ActionStack extends Zend_Controller_Plugin_Abstract
 
     /**
      * Push an item onto the stack
-     * 
-     * @param  Zend_Controller_Request_Abstract $next 
+     *
+     * @param  Zend_Controller_Request_Abstract $next
      * @return Zend_Controller_Plugin_ActionStack
      */
     public function pushStack(Zend_Controller_Request_Abstract $next)
@@ -165,7 +200,7 @@ class Zend_Controller_Plugin_ActionStack extends Zend_Controller_Plugin_Abstract
 
     /**
      * Pop an item off the action stack
-     * 
+     *
      * @return false|Zend_Controller_Request_Abstract
      */
     public function popStack()
@@ -209,7 +244,7 @@ class Zend_Controller_Plugin_ActionStack extends Zend_Controller_Plugin_Abstract
      */
     public function postDispatch(Zend_Controller_Request_Abstract $request)
     {
-        // Don't move on to next request if this is already an attempt to 
+        // Don't move on to next request if this is already an attempt to
         // forward
         if (!$request->isDispatched()) {
             return;
@@ -230,12 +265,17 @@ class Zend_Controller_Plugin_ActionStack extends Zend_Controller_Plugin_Abstract
 
     /**
      * Forward request with next action
-     * 
-     * @param  array $next 
+     *
+     * @param  array $next
      * @return void
      */
     public function forward(Zend_Controller_Request_Abstract $next)
     {
+        if($this->getClearRequestParams())
+        {
+            $this->getRequest()->clearParams();
+        }
+        
         $this->getRequest()->setModuleName($next->getModuleName())
                            ->setControllerName($next->getControllerName())
                            ->setActionName($next->getActionName())
diff --git a/library/Zend/Controller/Request/Abstract.php b/library/Zend/Controller/Request/Abstract.php
old mode 100644
new mode 100755
index 2e1e1a3..513d70b
--- a/library/Zend/Controller/Request/Abstract.php
+++ b/library/Zend/Controller/Request/Abstract.php
@@ -321,6 +321,20 @@ abstract class Zend_Controller_Request_Abstract
         return $this;
     }
 
+
+   /**
+    * Unset all action parameters
+    *
+    * @return Zend_Controller_Request_Abstract
+    */
+    public function clearParams()
+    {
+        $this->_params = array();
+        return $this;
+    }
+
+
+
     /**
      * Set flag indicating whether or not request has been dispatched
      *