[B00MER]

make sure under Smarty-2.3.0/plugins/ that the file modifier.lower.php exists, if it doesn't, create it and copy paste the following code in it:

<?php

/*
 * Smarty plugin
 * -------------------------------------------------------------
 * Type:     modifier
 * Name:     lower
 * Purpose:  convert string to lowercase
 * -------------------------------------------------------------
 */
function smarty_modifier_lower($string)
{
	return strtolower($string);
}

?>