update security handling for user namespace

app/assets/javascripts/user/application.js.erb

@@ -110,6 +110,14 @@ function redirect_to(mapping, variables){
   }
   window.location = QMobile.root_url() + path_mapping[mapping] + '.html?' + vars.join('&')
 }
+function direct_to_site(mapping, variables){
+  variables || (variables = {});
+  var vars = []
+  for(var name in variables){
+    vars.push(name + '=' +variables[name])
+  }
+  window.location = data_host + path_mapping[mapping] + '.html?' + vars.join('&')
+}
 function currency(num) {
   return Qwaiter.currency(num);
 }
@@ -131,9 +139,11 @@ function t(path, vars){
   return result;
 }
 $.ajaxSetup({
-  error: function(xhr, ajaxOptions, error){
-    if(xhr.status == 401 || xhr.status == 0){
-      window.location = data_host + '/user/obtain_token.html';
+  error: function(xhr, ajaxOptions, error, another){
+    if(xhr.status == 401){
+      direct_to_site('obtain_user_token');
+    }else if(xhr.status == 0){
+      QMobile.connection_problem();
     }
   }
 });