Crash fixes

- Fixed a crash when using non-EN localization
- Fixed a crash when having no `ways` div (in case you're using an old
  Raconteur/Undum layout)

lib/localize.coffee

@@ -36,9 +36,10 @@ languageCodes = Object.keys(languages)
 
 localize = (languageCode, message) ->
   for thisCode in languageCodes
-    localized = languages[languageCode][message]
-    if localized
-      return localized
+    if languages[languageCode]?
+      localized = languages[languageCode][message]
+      if localized
+        return localized
   return message
 
 # API

lib/view.coffee

@@ -260,7 +260,17 @@ class SaletView
         $(link.get(0)).click()
     )
 
+  showBlock: (selector) ->
+    block = document.querySelector(selector)
+    if block
+      block.style.display = "block"
+  hideBlock: (selector) ->
+    block = document.querySelector(selector)
+    if block
+      block.style.display = "none"
   updateWays: (salet, ways, name) ->
+    if document.getElementById("ways") == null
+      return
     content = ""
     distances = []
     if ways then for way in ways
@@ -271,9 +281,9 @@ class SaletView
           key: way
           distance: salet.rooms[way].distance
         })
-      document.querySelector(".ways #ways_hint").style.display = "block"
+      @showBlock(".ways #ways_hint")
     else
-      document.querySelector(".ways #ways_hint").style.display = "none"
+      @hideBlock(".ways #ways_hint")
     document.getElementById("ways").innerHTML = content
     min = Infinity
     min_key = []