问显示隐藏的div并滚动到它

EN

<div id="revolutionary">revolutionary</div>
<div id="middle">middle</div>
<div id="agendaa">agendaa</div>

$(document).ready(function(){
var revolution = document.getElementById('revolution');
var rev = new Hammer(revolution);

rev.on("swiperight", function(event) {
    alert('swiped');
    $('#agendaa').css('display', 'block').ScrollTo();
});

//Agenda
var agenda = document.getElementById('agenda');
var agen = new Hammer(agenda);

agen.on("swipeleft", function(event) {
    //alert('swiped');
    $('#revolutionary').css('display', 'block').ScrollTo();

});
});