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 titletext = whichpic.getAttribute("title") ? whichpic.getAttribute("title") : "";
	var description = document.getElementById("description");
	description.firstChild.nodeValue = titletext;
	return false;
}

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

// from www.simon.incutio.com/archive/2004/05/26/addLoadEvent
/*function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      oldonload();
      func();
    }
  }
}
addLoadEvent(prepareGallery);*/
window.onload=prepareGallery;