// This is the failed callback function.
function FailedCallback(error) {
    var stackTrace = error.get_stackTrace();
    var message = error.get_message();
    var statusCode = error.get_statusCode();
    var exceptionType = error.get_exceptionType();
    var timedout = error.get_timedOut();
   
    // Display the error.    
    var sErrorMessage =  
        'Stack Trace: ' +  stackTrace + '\n' +
        'Service Error: ' + message + '\n' +
        'Status Code: ' + statusCode + '\n' +
        'Exception Type: ' + exceptionType + '\n' +
        'Timedout: ' + timedout;
        
    alert('Error during postback: ' + sErrorMessage);
}
var csApplicationRootPath = '';

if (typeof(Sys) !== 'undefined') Sys.Application.notifyScriptLoaded();