User redirect to login page.

User is login to index page and when i put the logout URL in other tab of browser the user control are redirect to login page and the previous tab is also logout form there index page. I use this controller to login and logout the user. please help me what can i do for this if i login to user account then i all url is working for user index page. before logout.

                    public function actionLogin()


	    {


		$model=new LoginForm; 





		// if it is ajax validation request


		if(isset($_POST['ajax']) && $_POST['ajax']==='login-form')


	   {


		echo CActiveForm::validate($model);


		Yii::app()->end();


		


               }





		// collect user input data


		if(isset($_POST['LoginForm']))


	  {


		$model->attributes=$_POST['LoginForm'];





		// validate user input and redirect to the previous page if valid


		if($model->validate() && $model->login())


		$this->redirect(array("site/index"));


	  }


		// display the login form


		


                    Yii::app()->user->logout();


		Yii::app()->user->clearStates();	





		$this->render('login',array('model'=>$model));	


	  }


		


		  


		public function actionLogout()


		{


			Yii::app()->user->logout();


			Yii::app()->user->clearStates();				


			$this->redirect(Yii::app()->homeUrl);	


		}