text: $(document).ready(function(){
  	
  	var WinHeight = $('.billboard').height() - 100;
  	var BgColor = 'rgba(255, 255, 255, .1)';
  	var DarkBgColor = 'rgba(238, 169, 89, .9)';
  	
  	$(window).scroll(function () {
  	    if ($(window).scrollTop() < WinHeight) {
  	    	$("header").css("background-color", BgColor);
  	    } else {
  	    	$("header").css("background-color", DarkBgColor);
  	    }
  	})
  
  });
  