In case you are using .NET 4.5, you can also try disabling Unobtrusive validation because it causes issues with jQuery. You can read more about troubleshooting this case here: http://www.telerik.com/help/aspnet-ajax/introduction-troubleshooting-jquery.html.
On a side note, you may also find interesting this demo that is quite similar but the notification can play a sound when shown: http://demos.telerik.com/aspnet-ajax/notification/examples/waiariasupport/defaultcs.aspx. The downside is that it cannot be relative to the submit button.
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