function changeBg(obj, x, y) {
$('#' + obj).css('background-position', x + ' ' + y)
}

function mycarousel_initCallback(carousel) {
carousel.buttonNext.bind('click', function() {carousel.startAuto(0);});
carousel.buttonPrev.bind('click', function() {carousel.startAuto(0);});
carousel.clip.hover(function() {
carousel.stopAuto();
}, function() {carousel.startAuto();});
};