// Move groups between rows.
else if (_.indexOf(upDownKeys, event.keyCode) > -1) {
dir = (_.indexOf([38, 63232], event.keyCode) > -1) ? 'prev' : 'next';
// Move groups between rows.
else if (_.indexOf(upDownKeys, event.keyCode) > -1) {
dir = (_.indexOf([38, 63232], event.keyCode) > -1) ? 'prev' : 'next';