diff --git a/application/admin/controllers/StatController.php b/application/admin/controllers/StatController.php
index d3fa5b4a..a3aedf17 100644
--- a/application/admin/controllers/StatController.php
+++ b/application/admin/controllers/StatController.php
@@ -50,9 +50,9 @@ class Admin_StatController extends Zend_Controller_Action
 
 	function unitAction()
 	{
-		$y = $this->_request->getParam('y');
+		$y = (int)$this->_request->getParam('y');
 		
-		if(!empty($y)||!is_numeric($y))
+		if(!empty($y))
 		{
 			$n = date("Y",time());
 			if($y<2004 || $y>$n)
@@ -94,9 +94,9 @@ class Admin_StatController extends Zend_Controller_Action
 	
 	function monthAction(){
 		
-		$y = $this->_request->getParam('y');
+		$y = (int)$this->_request->getParam('y');
 		
-		if(!empty($y)||!is_numeric($y))
+		if(!empty($y))
 		{
 			$n = date("Y",time());
 			if($y<2004 || $y>$n)