protected function _handleImageUpload(Fishpig_AttributeSplash_Model_Page $page, $field)
 {
     $data = $page->getData($field);
     if (isset($data['value'])) {
         $page->setData($field, $data['value']);
     }
     if (isset($data['delete']) && $data['delete'] == '1') {
         $page->setData($field, '');
     }
     if ($filename = Mage::helper('attributeSplash/image')->uploadImage($field)) {
         $page->setData($field, $filename);
     }
 }