$(function(){
  var nav = $('.noBorder'),
    doc = $(document),
    win = $(window);
  win.scroll(function() {
    if (doc.scrollTop() > 0) {
      nav.addClass('scrolled');
    } else {
      nav.removeClass('scrolled');
    }
  });
  win.scroll();
});
$(function () {
  var speed = 800;
  var h=document.body.clientHeight;
  $(".top").click(function () {
    $('html,body').animate({
        scrollTop: '0px'
      },
      speed);
  });
});