function initGallery() {
	
	els = new Array();
	links = new Array();
	
	for (i=1; i<6; i++) {
		elName = "gallery-img-" + i;
		linkName = "gallery-link-" + i;
		el = document.getElementById(elName);
		alink = document.getElementById(linkName);
		if (!el) {
			break;
		}
		els[i] = el;
		links[i] = alink;
	}
	
}

function showImg(img) {
	
	elName = "gallery-img-" + img;
	linkName = "gallery-link-" + img;
	
	document.getElementById(elName).className = "active";
	for (x in els) {
		if (els[x].id != elName) {
			els[x].className = "";
		}
	}
	
	for (y in links) {
		links[y].className = "gallery-thumb";
	}
	document.getElementById(linkName).className = "gallery-thumb active";
	
}