// JavaScript Document


// Function that deals with adding captions to images

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 captionizeImages() {
  if (!document.getElementsByTagName) return false;
  if (!document.createElement) return false;
  var images = document.getElementsByTagName("img");
  if (images.length < 1) return false; 
  for (var i=0; i<images.length; i++) {
    if (images[i].className.indexOf("captioned") != -1) {
      var title = images[i].getAttribute("alt");
      var divCaption = document.createElement("div");
      divCaption.className="caption";
      var divCaption_text = document.createTextNode(title);
      divCaption.appendChild(divCaption_text);
      var divContainer = document.createElement("div");
      divContainer.className="imgcontainer";
      images[i].parentNode.insertBefore(divContainer,images[i]);
      divContainer.appendChild(images[i]);
      insertAfter(divCaption,images[i]);
    }
  }
}