var bingAPIKey = 'AnqDjSCxWerm0dfy978M6Vwv4MqXN-h-47qDGlkKLcrdszUvxdYyxV4eRV5Y4Gpv';
function ShowCountdown(displayElement, seconds)
{
    $get(displayElement).innerHTML = seconds;
    if (seconds > 0)
    {
        seconds -= 1;
        setTimeout('ShowCountdown("' + displayElement + '", ' + seconds + ')', 1000);
    }
}
function cvStartAndEndDate_ClientValidate(source, args) {
    var startDate = new Date($("[id$='txtStartDate']").val());
    var endDate = new Date($("[id$='txtEndDate']").val());
    if (isNaN(startDate) || isNaN(endDate)) {
        args.IsValid = true;
    }
    else {
        var maxEndDate = new Date(startDate);
        maxEndDate.setDate(maxEndDate.getDate() + 21);
        args.IsValid = endDate <= maxEndDate;
    }
}