Nefunkční invalidateControl v komponentě

Zdravím,
menší obstrukce. Při akci na handleDelImage mi při ajaxu firebug vyhodí error 500 (záznam se smaže, ale presenter nevyhodí výstup). Když to provedu po staru bez ajaxu, tak vše proběhne v pořádku. Díky za každou radu.

Verze nette: 2 Alpha
Přikládám:

<?php
namespace adminModule;

use \Nette\Environment,
	\Nette\Application\AppForm,
	\Nette\Forms\SubmitButton,
	\Nette\Web\HttpUploadedFile,
	\Nette\Image,
	\Nette\Web;

class GalleryControl extends \Nette\Application\Control {

	public $gallery_id;
	public $otherParams = array();

	function getImagesModel() {
		return new ImagesModel;
	}

	function render($params) {
		$this->gallery_id = $params['gallery_id'];
		isset($params['otherParams']) ? $this->otherParams = $params['otherParams'] : $this->otherParams;

		$this->template->setFile(__DIR__ . '/gallery.latte');
		$this->template->gallery_id = $this->gallery_id;
		$this->template->params = array_merge(array('gallery_id' => $this->gallery_id), $this->otherParams);

		$this->template->images = $this->ImagesModel->select($this->gallery_id);
		$this->template->render();
	}

	function handleUploadImages() {
		if(!empty($_FILES)) {
			$upload = new HttpUploadedFile($_FILES['Filedata']);
			if($upload->isImage()) {
				// Getting general info
				$this->gallery_id = $_POST['gallery_id'];

				$dest = WWW_DIR.'/goods/';
				$name = $upload->getName();
				  $arr = explode('.', $name);
				$ext = end($arr);
				$size = $upload->getSize();
				$type = $upload->getContentType();

				$resize = Image::fromFile($upload->getTemporaryFile());
				$resize -> resize(150,100);

				$return = $this->ImagesModel->add($this->gallery_id, $dest, $ext, $name, $size, $type);
				$resize -> save($dest.$return);
			} else {
				header('HTTP/1.1 403 Forbidden');die;
			}
		}
	}

	function handleSortImages() {
		$order = $this->getParam('gallery');
		foreach($order as $position => $gallery_image_id) {
			$this->ImagesModel->updatePosition($gallery_image_id, $position);
		}
	}

	function handleDelImage() {
		$image_id = $this->getParam('image_id');
		$this->ImagesModel->del($image_id);
		$this->invalidateControl();
	}
}

<script>
$(document).ready(function() {
	$('#imagesUpload-{!$gallery_id}').uploadify({
		'uploader'  : '{!$baseUri}/swf/uploadify.swf',
		'script'    : {link 'UploadImages!'},
		'scriptData': {{foreach $params as $param => $value}{$param}:{$value},{/foreach}},
		'cancelImg' : '{!$baseUri}/css/uploadify/cancel.png',
		'auto'      : true,
		'multi'		: true,
		'onComplete' :
		function(event, queueID, fileObj, response, data) {
			var images = $(response).find("#images-{!$gallery_id}");
			$("#images-{!$gallery_id}").html(images);
			galleryInit();
		}
	});

	galleryInit();
	function galleryInit() {
		$('.gallery ul').sortable({
			update: function(event, ui) {
				var ser = $(this).sortable("serialize");
				$.get({link 'sortImages!', 'gallery_id' => $gallery_id} + '&' + ser)
			}
		});
	}
});
</script>
{snippet gallery}
<div class="block">
	<div class="gallery" id="images-{!$gallery_id}">
		<ul>
		{foreach $images as $image}
		<li id="gallery-gallery-{$image['gallery_image_id']}">
			<img src="{$baseUri}/goods/{$image['gallery_image_path']}" width="100" />
			<a class="ajax" href="{link 'DelImage!', 'image_id' => $image['gallery_image_id']}">Delete</a>
		</li>
		{/foreach}
		</ul>
	</div>
<!--
	<form method="post" action="{link 'UploadImages!'}" ENCTYPE="multipart/form-data">
-->
		<input id="imagesUpload-{!$gallery_id}" name="Filedata" type="file" class="clear" />
<!--
		<input type="text" name="gallery_id" value="{$gallery_id}" />
		<input type="text" name="good_id" value="26" />
		<input type="submit" />
	</form>
-->
</div>
{/snippet}

Editoval echo (7. 3. 2011 19:45)