function swapImage(sender) {
	var linkObj = Event.element(sender).parentNode;
	$('gallerylarge').src = linkObj.href;
	$('gallerycaption').innerHTML = linkObj.title;
	return false;
}

function bindGalleryLinks() {
	galleryImages = document.getElementsByClassName('gallerylink');
	for(i = 0; i < galleryImages.length; i++) {
		galleryImages[i].onclick = swapImage.bindAsEventListener(galleryImages[i]);
	}
}