function initGallery() {
	$('galleryActual').innerHTML = 1;
	$('galleryCount').innerHTML = aImages.length;
	if(aImages.length > 1) {
		$('imageShow').src = aImages[0];
		$('toolbar').top = $('imageShow').height -20;
	} else if(aImages.length == 1){
		$('imageShow').src = aImages[0];
		$('toolbar').hide();
	} else {
		$('toolbar').hide();
	}

}

function showPrevImage() {
	oldImage = parseInt($('galleryActual').innerHTML-2);
	if(oldImage < 0)
		newImage = aImages.length + oldImage;
	else
		newImage = oldImage;

	changeImages(newImage);
	
}

function showNextImage() {
	oldImage = parseInt($('galleryActual').innerHTML);
	if(oldImage >= aImages.length)
		newImage = 0;
	else
		newImage = oldImage;

	changeImages(newImage);
}

function changeImages(newImage) {
	$('imageShow').src = aImages[newImage];
	$('galleryActual').innerHTML = newImage+1;
}