function setCurrent(section) {
		image = images[section];
		if (currentLink) {
			oldLink = document.getElementById(currentLink);
			oldLink.style.border = "none";
		}
		else {
			for (i=1;i<images.length;i++) {
				if (images[i].height > height) {
					height = images[i].height;
				}
			}
			space = document.getElementById("rollover");
			height += 20;
			space.style.height = height;
		}
		currentLink = section;
		newLink = document.getElementById(section);
		space = document.getElementById("rollover");
		newLink.style.border = "solid 1px #F00";
		space.innerHTML = "<a href='"+newLink.href+"'><img src='"+image.src+"'  style='margin-top:"+(height/2 - image.height/2)+";'/></a>";
	}
	function gallerySize() {
		var nav = document.getElementById("gallery_nav");
		nav.style.fontSize = "10pt";
	}