try
{
Sys.WebForms.PageRequestManager.getInstance().add_endRequest(EndRequestHandler); 
}
catch(err)
{
}

function EndRequestHandler(sender, args)
{ 
    if (args.get_error() != undefined)
    {
        var errorMessage;
        if (args.get_response().get_statusCode() == '12030' || args.get_response().get_statusCode() == '12031' || args.get_response().get_statusCode() == '12152')
        { 
            args.set_errorHandled(true);
        }
        else
        {
            // not my error so let the default behavior happen 
        }
    }
}