try {
   var autobahn = require('autobahn');
} catch (e) {
   // when running in browser, AutobahnJS will
   // be included without a module system
}

var connection = new autobahn.Connection({
   url: 'ws://127.0.0.1:8080/ws',
   realm: 'crossbardemo'}
);

connection.onopen = function (session) {

   function utcnow() {
      console.log("Someone is calling me;)");
      now = new Date();
      return now.toISOString();
   }

   session.register('com.timeservice.now', utcnow).then(
      function (registration) {
         console.log("Procedure registered:", registration.id);
      },
      function (error) {
         console.log("Registration failed:", error);
      }
   );
};

connection.open();