// Mini Galeria

var qtdeImages;
var aryImages;
var baseUrlProductView;
function loadProductPictures(arrayImages, baseUrl) {
	qtdeImages = arrayImages.length;
	aryImages = arrayImages;
	baseUrlProductView = baseUrl;

	for (i=0; i < aryImages.length; i++) {
		var preload = new Image();
		preload.src = aryImages[i];
	}
	if (qtdeImages > 1)
		swap(0);
}

function swap(imgIndex) {
	if (qtdeImages > 1) {
		reset_setas();
		if (imgIndex == aryImages.length-1) {
			document['seta_next'].src = '' + baseUrlProductView + 'img/nextImageOff.gif';
		}
		if(imgIndex == 0) {
			document['seta_prev'].src = '' + baseUrlProductView + 'img/prevImageOff.gif';
		}
		document['imgMain'].src = aryImages[imgIndex];
		
	} else {
		document['imgMain'].src = aryImages[imgIndex];
	}
}

function reset_setas() {

	window.document['seta_prev'].src = '' + baseUrlProductView + 'img/prevImageOn.gif';
	document['seta_next'].src = '' + baseUrlProductView + 'img/nextImageOn.gif';
}

function swap_next() {
	for (i=0; i<aryImages.length-1; i++) {
		if (document['imgMain'].src == aryImages[i]) {
			swap(i+1);
			break;
		}
	}
}
            
function swap_previous() {
	for (i=1; i<aryImages.length; i++) {
		if (document['imgMain'].src == aryImages[i]) {
			swap(i-1);
			break;	
		}
	}
}