Add body class to Thematic Child Theme

gistfile1.php

// add a single class to the body tag
function childtheme_body_class($classes) {
	$classes[] = 'added-class';
	return $classes;
}
add_filter('body_class', 'childtheme_body_class');




// add multiple classes to the body tag
function childtheme_body_class($classes) {
	$classes[] = 'added-class multiple-added';
	return $classes;
}
add_filter('body_class', 'childtheme_body_class');