Added better mobile navigation

assets/coffee/gargoyle.coffee

@@ -3,6 +3,7 @@ $(document).ready( ->
   $('#nav-toggle').on('click', toggleNav)
   if getCookie('navCollapsed') == 'true'
     $('body').addClass('collapsed')
+  $('#mobile-nav-toggle').on('click', toggleMobileNav)
 
 )
 
@@ -15,6 +16,13 @@ toggleNav = () ->
     bodyElem.addClass('collapsed')
     setCookie('navCollapsed', 'true')
 
+toggleMobileNav = () ->
+  navElem = $('#mobile-nav')
+  if navElem.hasClass('expanded')
+    navElem.removeClass('expanded')
+  else
+    navElem.addClass('expanded')
+
 getCookie = (cName) ->
   name = cName + '='
   cDecoded = decodeURIComponent(document.cookie)