wordpress F keys keyboard to navigation
function my_custom_js() { ?>
<script type="text/javascript">
document.onkeydown = function (e) {
var e = e || event,
keycode = e.which || e.keyCode;
if (keycode == 37 || keycode == 33)
location = "<?php echo get_permalink(get_previous_post()); ?>";
if (keycode == 39 || keycode == 34)
location = "<?php echo get_permalink(get_next_post()); ?>";
}
</script>
<?php }
add_action('wp_footer', 'my_custom_js');