full size jumbotron

ful.size.jumbo.js

 //make jumbotron adjust to full size of user's viewport on load and after resize
  function adjustJumbo(){
  $('.jumbotron').outerHeight($(window).height()-120);
  }
  adjustJumbo();
  $(window).resize(function() {adjustJumbo();});

  //make a red arrow under the jumbotron move with the scrolling and disappear
	$(window).scroll(function() {
	    var coords = ($(window).scrollTop() / 6 ).toFixed(1);
	    $('#pointer').css( {"top": (coords + "px"), "opacity": (1 - coords / 50)} );
	});