// simple slide show - found at: www.hotscripts.com/Detailed/54149.html
function hideItems() {
	var list = document.getElementById("slideholder").getElementsByTagName("div"); 

	for(i=0;i<list.length;i++) {
		list[i].style.display="none";
	}
}

function showItem(obj) {
	hideItems();
	var item = document.getElementById(obj);
	item.style.display="block";
}