// JavaScript Document

function prepareGallery(){
	if(!document.getElementsByTagName) return false;
	if(!document.getElementById) return false;
	if(!document.getElementById("left")) return false;
	var gallery = document.getElementById("left");
	var links = gallery.getElementsByTagName("a");
	for(var i=0; i < links.length; i++){
		links[i].onclick = function(){
			return showPic(this);
		}
	}
}

function showPic(whichpic){
	if(!document.getElementById("placeholder")) return true;
	var source = whichpic.getAttribute("href");
	var placeholder = document.getElementById("placeholder");
	placeholder.setAttribute("src", source);
	if(!document.getElementById("description")) return false;
	var text = whichpic.getAttribute("title");
	var description = document.getElementById("description");
	description.firstChild.nodeValue = text;
	return false;
}

window.onload = function(){
	prepareGallery();	
}