Warning: require(Smarty.class.php) [function.require]: failed to open stream: No such file or directory in /usr/home/adult/shared/smarty2/index.html on line 3

Fatal error: require() [function.require]: Failed opening required 'Smarty.class.php' (include_path='.:/opt/php/share/pear') in /usr/home/adult/shared/smarty2/index.html on line 3