Move inline JS to admin.js.coffee specific file.

app/assets/javascripts/admin.js.coffee

@@ -38,3 +38,15 @@ class @Admin
 
     $('li.group_member').bind 'ajax:success', ->
       Turbolinks.visit(location.href)
+
+    showBlacklistType = ->
+      if $('input[name=\'blacklist_type\']:checked').val() == 'file'
+        $('.blacklist-file').show()
+        $('.blacklist-raw').hide()
+      else
+        $('.blacklist-file').hide()
+        $('.blacklist-raw').show()
+      return
+
+    $('input[name=\'blacklist_type\']').click showBlacklistType
+    showBlacklistType()