public function Lista() {
		$sql = "SELECT * FROM banners";
		$stmt = $this->conexao->prepare($sql);	
		$stmt->execute();
		
		$searchResults = array();
		
		while ($rs = $stmt->fetch(PDO::FETCH_OBJ)) {
			$temp = new Banner();
			
			$temp->setIdbanner($rs->idbanner);
			$temp->setIdDepartamento($rs->iddepartamento);
			$temp->setLado($rs->lado);
			$temp->setNumero($rs->numero);
			$temp->setBanner($rs->banner);
			$temp->setDescricao($rs->descricao);
			$temp->setWidth($rs->width);
			$temp->setHeight($rs->height);
			$temp->setUrl($rs->url);
			$temp->setTarget($rs->target);
			$temp->setClick($rs->click);
			$temp->setData($rs->data);
			$temp->setExtensao($rs->banner);
			
			array_push($searchResults, $temp);
		} 
		
		if(count($searchResults) > 1) {
			return $searchResults;
		} else {
			return $temp;
		}
	}
 $size = $_FILES["banner"]["size"];
 $tamanho = 1000000;
 list($largura, $altura) = getimagesize($_FILES["banner"]["tmp_name"]);
 $setBanner = $name;
 $setUrl = $_POST["url"];
 $setTarget = $_POST["target"];
 $setData = $tempo;
 $setIddepartamento = $_POST["iddep"];
 $setLado = $_POST["lado"];
 $setNumero = $_POST["numero"];
 $setWidth = $largura;
 $setHeight = $altura;
 $banner->setLado($setLado);
 $banner->setIddepartamento($setIddepartamento);
 $banner->setNumero($setNumero);
 $banner->setBanner($setBanner);
 $banner->setWidth($setWidth);
 $banner->setHeight($setHeight);
 $banner->setUrl($setUrl);
 $banner->setTarget($setTarget);
 $banner->setData($setData);
 $ok = $banner->upload_banners($name, $type, $tmp_name, $size, $tamanho, $banner->getWidth(), $banner->getHeight());
 if ($ok == true) {
     $iddep = $banner->getIddepartamento();
     $bannerDAO->Insere($banner);
     header("location: ../principal.php?menu={$idmenu}&act={$act}&iddep={$iddep}");
 } else {
     header("location: ../principal.php?menu={$idmenu}&act={$act}");
 }
 break;
 //altera banner