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;
		}
	}
     $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
 //altera banner
 case "Alterar":
     $act = "mostra";
     if ($_POST["remover"]) {