Collapse navbar if page is not at top on load

js/agency.js

@@ -26,13 +26,16 @@
     offset: 54
   });
 
-  // Collapse the navbar when page is scrolled
-  $(window).scroll(function() {
+  var navbarCollapse = function() {
     if ($("#mainNav").offset().top > 100) {
       $("#mainNav").addClass("navbar-shrink");
     } else {
       $("#mainNav").removeClass("navbar-shrink");
     }
-  });
+  };
+  // Collapse now if page is not at top
+  navbarCollapse();
+  // Collapse the navbar when page is scrolled
+  $(window).scroll(navbarCollapse);
 
 })(jQuery); // End of use strict