if (isset($_POST['addProductAttributeTypeButton'])){
	$patv->saveNewProductAttributeType($_POST['product_attribute_type'],$_FILES['product_artwork_template']);
}


// ********** different file *****************

	function saveNewProductAttributeType($product_attribute_type,$product_attribute_type_artwork_template){
		include_once("classes/ProductAttributeType.class.php");
		if (!strlen($product_attribute_type['name'])>0) $errors[] = 'Product name not set'; 
		if (isset($product_attribute_type['is_artwork'])){
			if (!strlen($product_attribute_type['width'])>0) $errors[] = 'Product width not set'; 
			if (!strlen($product_attribute_type['height'])>0) $errors[] = 'Product height not set'; 
			if (!strlen($product_attribute_type['dpi'])>0) $errors[] = 'Product dpi not set';
			if (!isset($product_attribute_type_artwork_template)) $errors[] = 'Artwork template file not uploaded.';
			else {
				try{
					fileUploadErrorCheck($product_attribute_type_artwork_template);
				}
				catch (Exception $e){
					$errors[] = $e->getMessage();
				}
			}
		}
// ........... other code .............
}

function fileUploadErrorCheck($file){
	switch ($file['error']) {
   		case UPLOAD_ERR_OK:
			break;
		case UPLOAD_ERR_INI_SIZE:
			echo "bugger ini size";
			throw new Exception("The uploaded file exceeds the upload_max_filesize directive (".ini_get("upload_max_filesize").") in php.ini.");
			break;
		case UPLOAD_ERR_FORM_SIZE:
			echo "max file size";
			throw new Exception("The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form.");
		break;
		case UPLOAD_ERR_PARTIAL:
			throw new Exception("The uploaded file was only partially uploaded.");
			break;
		case UPLOAD_ERR_NO_FILE:
			throw new Exception("No file was uploaded.");
			break;
		case UPLOAD_ERR_NO_TMP_DIR:
			throw new Exception("Missing a temporary folder.");
			break;
		case UPLOAD_ERR_CANT_WRITE:
			throw new Exception("Failed to write file to disk");
		break;
		default:
			throw new Exception("Unknown File Error");
	}
}