+ /**
+ * return tag-name by tag-idx
+ *
+ * this function returns the tag-name for the requested
+ * tag specified by tag-idx.
+ * @param integer $idx
+ * @return string
+ */
+ public function get_tag_name($idx)
+ {
+ if($result = $this->db->db_fetchSingleRow("
+ SELECT name
+ FROM tags
+ WHERE
+ id LIKE '". $idx ."'")) {
+
+ return $result['name'];
+
+ }
+
+ return 0;
+
+ } // get_tag_name()
+