$(document).ready(function(){/* smooth scrolling for scroll to top */
$('.scroll-top').click(function(){
  $('body,html').animate({scrollTop:0},500);
})
/* smooth scrolling for scroll down */
$('.scroll-down').click(function(){
  $('body,html').animate({scrollTop:$(window).scrollTop()+500},1000);
})

/* highlight the top nav as scrolling occurs */
$('body').scrollspy({ target: '#navbar' })

});