// Gallery image-swapping scriptlet
gImages = new Array(9);

function changeGalleryImage(idx, gallery) {
	if (document.images) {
		if (gallery == "1") {
			document.galleryimg.src = gImages[idx];
			return true;
		} else if (gallery == "2") {
			document.galleryimg2.src = gImages[idx];
			return true;
		}

	} else {
		return false;
	}
}

// Preloads images based on a varname supplied by the template (gallery_images placeholder)
function preloadGallery(gallery) {
	for (var i=0; i < 9; i++) {
		var img = gallery + "_" + (i+1);
		gImages[i]= "/layout/" + img + ".jpg";
	}
}

// Loads a random large image.
function loadBigImg(gallery) {
	var randomnumber=Math.floor(Math.random()*9);
	if (document.images) {
		document.bigimg.src = gImages[randomnumber];
		return true;
	} else {
		return false;
	}
}