View source for Template:INSA-UPS France/script scroll

<html>

<script type="text/javascript">

  $(document).ready(function(){
    $("#HQ_page").attr('id','');
  });

    function isScrolledIntoView(elem)
    {
        var docViewTop = $(window).scrollTop();
        var docViewBottom = docViewTop + $(window).height();

        var elemTop = $(elem).offset().top;
        var elemBottom = elemTop + $(elem).height();

        return ((elemBottom <= docViewBottom) && (elemTop >= docViewTop));
    }

    $(document).ready(function(){
      //$(".backToTop").hide(0);
      if (window.innerWidth>600){
        $(window).scroll(function(){
          /*$('body').addClass('header-fixed');*/
          if ($(this).scrollTop() > 500) {
              $('body').addClass('header-fixed');
              //$(".backToTop").show(500);
              if ($(this).scrollTop() > 580){
                $('#vertical_nav').addClass('can_move');
              }
              else{
                $('#vertical_nav').removeClass('can_move');
              }
          } else {
              $('body').removeClass('header-fixed');
              //$(".backToTop").hide(500);
          }
          /*if (isScrolledIntoView('footer')){
            $(".backToTop").hide(500);
          }*/
        });
      }
    });


    $(document).ready(function(){
        $('.icon').click(function(e){
          $('body').toggleClass('with--sidebar');
        });
        
        $('#site-cache').click(function(e){
          $('body').removeClass('with--sidebar');
        });

    });


  $(document).ready(function($){
  var contentSections = $('.article_offset'),
  navigationItems = $('#vertical_nav .aside_circle');

  updateNavigation();
  $(window).on('scroll', function(){
    updateNavigation();
    });


  function updateNavigation() {
    contentSections.each(function(){
      $this = $(this);

      var activeSection = $('#vertical_nav a[href="#'+$this.attr('id')+'"]').data('number') - 1;
      if ( ( $this.offset().top - $(window).height()/2 < $(window).scrollTop() ) && ( $this.offset().top + $this.height() - $(window).height()/2 > $(window).scrollTop() ) ) {
        navigationItems.eq(activeSection).addClass('is-selected');
      }else {
        navigationItems.eq(activeSection).removeClass('is-selected');
      }
    });
  }

  function smoothScroll(target) {
        $('body,html').animate(
          {'scrollTop':target.offset().top},
          600
        );
  }
});

  </script>
  </html>