+ /**
+ * appends values to template variables
+ *
+ * @param array|string $tpl_var the template variable name(s)
+ * @param mixed $value the value to append
+ * @param bool $merge
+ */
+ function append($tpl_var, $value=NULL, $merge=FALSE) {
+ self::$_template->append($tpl_var, $value, $merge);
+ }
+
+ /**
+ * Returns an array containing template variables
+ *
+ * @param string $name
+ * @param string $type
+ * @return array
+ */
+ function get_template_vars($name=null) {
+ return self::$_template->get_template_vars($name);
+ }
+