Back to top link that works in Genesis HTML5 framework

genesis_backtotop.php

<?php

// custom header ID for backtotop
add_filter('genesis_attr_site-header','mytheme_header_id',1);
function mytheme_header_id($atts) {
	$atts['id'] = "header";
	
	return $atts;
}
// back to top link
add_action('genesis_footer','mytheme_backtotop');
function mytheme_backtotop() {
	$atts = array(
		'before' => '<div id="backtotop">',
		'after' => '</div>',
		'href' => '#header'
	);
	echo genesis_footer_backtotop_shortcode($atts);
}