public function actionCreate()
	{
		$post=new Post;
		if(Yii::app()->request->isPostRequest)
		{
			if(isset($_POST['Post']))
				$post->setAttributes($_POST['Post']);
			if($post->save())
				$this->redirect(array('show','id'=>$post->id));
		}
		$this->render('create',array('post'=>$post));
	}