var homepageCarouselPage = 1;
var homepageCarouselMaxPages = 4;
var homepageCarouselPositionArray = {'1': 0, '2': -940, '3':-1880, '4': -2820}
jQuery(document).ready(function() {
	//set up a 10-second rotation on the carousel
	setInterval(function() {
		changePage(0)
	}, 8000);
});

function changePage(page) {
	if(page == 0) {
		if(homepageCarouselPage < 4) {
			homepageCarouselPage++;
		} else {
			homepageCarouselPage = 1;
		}
	} else {
		switch(page) {
		case 1:	homepageCarouselPage = 1; break;
		case 2:	homepageCarouselPage = 2; break;
		case 3:	homepageCarouselPage = 3; break;
		case 4:	homepageCarouselPage = 4; break;
		default:	homepageCarouselPage = 1;
		}
	}
	jQuery('#homePageCarouselInnerWrapper').animate({'left': homepageCarouselPositionArray[homepageCarouselPage] + 'px'}, 1000, function() {
			jQuery('.activeCarouselPage').removeClass('activeCarouselPage');
			jQuery('#carouselButton' + homepageCarouselPage).addClass('activeCarouselPage');
	});
}