function prepareSlideshow() {
// Make sure the browser understands the DOM methods
  if (!document.getElementsByTagName) return false;
  if (!document.getElementById) return false;
// Make sure the elements exist
  if (!document.getElementById("imagegallery")) return false;
  if (!document.getElementById("libheader")) return false;
  var slideshow = document.createElement("div");
  slideshow.setAttribute("id","slideshow");
  var preview = document.createElement("img");
  preview.setAttribute("src","2010_libshow/2010_stitched.jpg");
  preview.setAttribute("alt","preview of Edie's library show");
  preview.setAttribute("id","preview");
  slideshow.appendChild(preview);
  var hdr = document.getElementById("libheader");
  insertAfter(slideshow, hdr);
// Get all the links in the list
  var list = document.getElementById("imagegallery");
  var links = list.getElementsByTagName("a");
// Attach the animation behavior to the mouseover event
  for (var i = 0; i < links.length; i++) {
    links[i].pos = -150 * i;
    links[i].onmouseover = function() {
      moveElement("preview", this.pos, 0, 10);
    }
  }
}

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

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;
  if (whichpic.getAttribute("title")) {
    var text = whichpic.getAttribute("title");
  } else {
    var text = "";
  }
  var description = document.getElementById("description");
  if (description.firstChild.nodeType == 3) {
    description.firstChild.nodeValue = text;
  }
*/
  return false;
}

addLoadEvent(prepareGallery);
addLoadEvent(prepareSlideshow);