Как прописать Alt и Title для загружаемой галереи изображений?

						if($thumb_url) {
							
							$gallery_image[] = "<li><a href=\"$img_url\" onclick=\"return hs.expand(this, { slideshowGroup: 'xf_{$row['id']}_{$value[0]}' })\" target=\"_blank\"><img src=\"{$thumb_url}\" alt=\"\"></a></li>";
							$gallery_single_image['[xfvalue_'.$value[0].' image="'.$xf_image_count.'"]'] = "<a href=\"{$img_url}\" class=\"highslide\" target=\"_blank\"><img class=\"xfieldimage {$value[0]}\" src=\"{$thumb_url}\" alt=\"\"></a>";

						} else {
							$gallery_image[] = "<li><img src=\"{$img_url}\" alt=\"\"></li>";
							$gallery_single_image['[xfvalue_'.$value[0].' image="'.$xf_image_count.'"]'] = "<img class=\"xfieldimage {$value[0]}\" src=\"{$img_url}\" alt=\"\">";
						}

<img src=\"{$img_url}\" title=\"{$row['title']}\" alt=\"{$row['title']}\">