foreach($attributes as $attribute){
				if($av_list){
						$cur_av_list = $av_list . ',' . $attribute['value'];
						$cur_av_uri = $this->request->get['av'] . ',' . $attribute['value'] . "|" . $attribute['name'];
				} else {
						$cur_av_list = $attribute['name'];
						$cur_av_uri = $attribute['value'] . "|" . $attribute['name'];
				}
				$tmp_uri = explode('&', $ln_uri);
				$tmp_uri_array = $this->remove_item_by_value($tmp_uri, 'av');
				$new_uri = implode('&', $tmp_uri_array);
				$this->data['attributes'][$attribute['name']][] = array(
																		'name' => $attribute['value'],
																		'qty' => $attribute['qty'],
																		'href' => $this->url->link('product/browse', $new_uri . '&av=' . $cur_av_uri)
																		);

			}