function addLoadEvent(func) {
  var oldonload = window.onload;
  if (typeof window.onload != 'function') {
    window.onload = func;
  } else {
    window.onload = function() {
      oldonload();
      func();
    }
  }
}

function insertAfter(newElement,targetElement) {
  var parent = targetElement.parentNode;
  if (parent.lastChild == targetElement) {
    parent.appendChild(newElement);
  } else {
    parent.insertBefore(newElement,targetElement.nextSibling);
  }
}

function preparePlaceholder() {
  if (!document.createElement) return false;
  if (!document.createTextNode) return false;
  if (!document.getElementById) return false;
  if (!document.getElementById("imagegallery")) return false;
  var placeholder = document.createElement("img");
  placeholder.setAttribute("id","placeholder");
  
  var bodyTitle = document.body.title;
  if (bodyTitle == "one") {placeholder.setAttribute("src","images/one/galImages/one_01.jpg");}
  if (bodyTitle == "two") {placeholder.setAttribute("src","images/two/galImages/two_01.jpg");}
  if (bodyTitle == "three") {placeholder.setAttribute("src","images/three/galImages/three_01.jpg");}
  if (bodyTitle == "four") {placeholder.setAttribute("src","images/four/galImages/four_01.jpg");}
  if (bodyTitle == "five") {placeholder.setAttribute("src","images/five/galImages/five_01.jpg");}
  if (bodyTitle == "six") {placeholder.setAttribute("src","images/six/galImages/six_01.jpg");}
  if (bodyTitle == "seven") {placeholder.setAttribute("src","images/seven/galImages/seven_01.jpg");}
  if (bodyTitle == "eight") {placeholder.setAttribute("src","images/eight/galImages/eight_01.jpg");}
  if (bodyTitle == "nine") {placeholder.setAttribute("src","images/nine/galImages/nine_01.jpg");}
  if (bodyTitle == "ten") {placeholder.setAttribute("src","images/ten/galImages/ten_01.jpg");}
  if (bodyTitle == "eleven") {placeholder.setAttribute("src","images/eleven/galImages/eleven_01.jpg");}
  if (bodyTitle == "twelve") {placeholder.setAttribute("src","images/twelve/galImages/twelve_01.jpg");}
  if (bodyTitle == "thirteen") {placeholder.setAttribute("src","images/thirteen/galImages/thirteen_01.jpg");}
  if (bodyTitle == "fourteen") {placeholder.setAttribute("src","images/fourteen/galImages/fourteen_01.jpg");}
  if (bodyTitle == "fifteen") {placeholder.setAttribute("src","images/fifteen/galImages/fifteen_01.jpg");}
  if (bodyTitle == "sixteen") {placeholder.setAttribute("src","images/sixteen/galImages/sixteen_01.jpg");}
  if (bodyTitle == "seventeen") {placeholder.setAttribute("src","images/seventeen/galImages/seventeen_01.jpg");}
  if (bodyTitle == "eighteen") {placeholder.setAttribute("src","images/eighteen/galImages/eighteen_01.jpg");}
  if (bodyTitle == "nineteen") {placeholder.setAttribute("src","images/nineteen/galImages/nineteen_01.jpg");}
  if (bodyTitle == "twenty") {placeholder.setAttribute("src","images/twenty/galImages/twenty_01.jpg");}
  
  placeholder.setAttribute("alt","my image gallery");
  var description = document.createElement("p");
  description.setAttribute("id","description");
  if (bodyTitle == "one") {var desctext = document.createTextNode("Phillip Wise Photography");}
  if (bodyTitle == "two") {var desctext = document.createTextNode("Gary Christenson Photography");}
  if (bodyTitle == "three") {var desctext = document.createTextNode("Jamie Bosworth and Ron Anniker");}
  if (bodyTitle == "four") {var desctext = document.createTextNode("Kubota Photo Design");}
  if (bodyTitle == "five") {var desctext = document.createTextNode("Phillip Wise Photography");}
  if (bodyTitle == "six") {var desctext = document.createTextNode("Ruettgers Photography");}
  if (bodyTitle == "seven") {var desctext = document.createTextNode("Phillip Wise Photography and Ruettgers Photography");}
  if (bodyTitle == "eight") {var desctext = document.createTextNode("The Photographers");}
  if (bodyTitle == "nine") {var desctext = document.createTextNode("Tullis Photo");}
  if (bodyTitle == "ten") {var desctext = document.createTextNode("Tullis Photo");}
  if (bodyTitle == "eleven") {var desctext = document.createTextNode("Benjamin Edwards Photography");}
  if (bodyTitle == "twelve") {var desctext = document.createTextNode("Solace Arts Photography");}
  if (bodyTitle == "thirteen") {var desctext = document.createTextNode("Kubota Photo Design");}
  if (bodyTitle == "fourteen") {var desctext = document.createTextNode("");}
  if (bodyTitle == "fifteen") {var desctext = document.createTextNode("Benjamin Edwards Photography");}
  if (bodyTitle == "sixteen") {var desctext = document.createTextNode("Kubota Photo Design");}
  if (bodyTitle == "seventeen") {var desctext = document.createTextNode("Gary A. Christenson");}
  if (bodyTitle == "eighteen") {var desctext = document.createTextNode("Kubota Photo Design");}
  if (bodyTitle == "nineteen") {var desctext = document.createTextNode(" ");}
  if (bodyTitle == "twenty") {var desctext = document.createTextNode("Benjamin Edwards Photography");}
  description.appendChild(desctext);
  var gallery = document.getElementById("imagegallery");
  insertAfter(placeholder,gallery);
  insertAfter(description,placeholder);
}

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(preparePlaceholder);
addLoadEvent(prepareGallery);