function StartRotator(rotator, direction) {
    if (!rotator.autoIntervalID) {
        rotator.autoIntervalID = window.setInterval(function() { rotator.showNext(direction); }, rotator.get_frameDuration());
    }
}
function StopRotator(rotator) {
    if (rotator.autoIntervalID) {
        window.clearInterval(rotator.autoIntervalID);
        rotator.autoIntervalID = null;
    }
}
function GoToRotator(rotator, framenum) {
    var index = rotator.get_currentItem();
    alert(index);
}