/*------------------------------------------------------------------------------
Function:       footnoteLinks()
Author:         Aaron Gustafson (aaron at easy-designs dot net)
Creation Date:  8 May 2005
Version:        1.3
Homepage:       http://www.easy-designs.net/code/footnoteLinks/
License:        Creative Commons Attribution-ShareAlike 2.0 License
				http://creativecommons.org/licenses/by-sa/2.0/
Note:           This version has reduced functionality as it is a demo of 
				the script's development
------------------------------------------------------------------------------*/
function footnoteLinks(containerID,targetID) {
  if (!document.getElementById || 
	  !document.getElementsByTagName ||
	  !document.createElement) return false;
  if (!document.getElementById(containerID) ||
	  !document.getElementById(targetID)) return false;
  var container = document.getElementById(containerID);
  var target    = document.getElementById(targetID);
  var h2        = document.createElement('h2');
  addClass.apply(h2,['printOnly']);
  var h2_txt    = document.createTextNode('Links');
  h2.appendChild(h2_txt);
  var coll = container.getElementsByTagName('*');
  var ol   = document.createElement('ol');
  addClass.apply(ol,['printOnly']);
  var myArr = [];
  var thisLink;
  var num = 1;
  for (var i=0; i<coll.length; i++) {
	if ( coll[i].getAttribute('href') ||
		 coll[i].getAttribute('cite') ) { 
	  thisLink = coll[i].getAttribute('href') ? coll[i].href : coll[i].cite;
	  var note = document.createElement('sup');
	  addClass.apply(note,['print']);
	  var note_txt;
	  var j = inArray.apply(myArr,[thisLink]);
	  if ( j || j===0 ) { // if a duplicate
		// get the corresponding number from 
		// the array of used links
		note_txt = document.createTextNode(j+1);
	  } else { // if not a duplicate
		var li     = document.createElement('li');
		var li_txt = document.createTextNode(thisLink);
		li.appendChild(li_txt);
		ol.appendChild(li);
		myArr.push(thisLink);
		note_txt = document.createTextNode(num);
		num++;
	  }
	  note.appendChild(note_txt);
	  if (coll[i].tagName.toLowerCase() == 'blockquote') {
		var lastChild = lastChildContainingText.apply(coll[i]);
		lastChild.appendChild(note);
	  } else {
		coll[i].parentNode.insertBefore(note, coll[i].nextSibling);
	  }
	}
  }
  target.appendChild(h2);
  target.appendChild(ol);
  return true;
}
window.onload = function() {
  footnoteLinks('digital-communications-agency','digital-communications-agency');
}

/*------------------------------------------------------------------------------
Excerpts from the jsUtilities Library
Version:        2.1
Homepage:       http://www.easy-designs.net/code/jsUtilities/
License:        Creative Commons Attribution-ShareAlike 2.0 License
				http://creativecommons.org/licenses/by-sa/2.0/
Note:           If you change or improve on this script, please let us know.
------------------------------------------------------------------------------*/
if(Array.prototype.push == null) {
  Array.prototype.push = function(item) {
	this[this.length] = item;
	return this.length;
  };
};
// ---------------------------------------------------------------------
//                  function.apply (if unsupported)
//           Courtesy of Aaron Boodman - http://youngpup.net
// ---------------------------------------------------------------------
if (!Function.prototype.apply) {
  Function.prototype.apply = function(oScope, args) {
	var sarg = [];
	var rtrn, call;
	if (!oScope) oScope = window;
	if (!args) args = [];
	for (var i = 0; i < args.length; i++) {
	  sarg[i] = "args["+i+"]";
	};
	call = "oScope.__applyTemp__(" + sarg.join(",") + ");";
	oScope.__applyTemp__ = this;
	rtrn = eval(call);
	oScope.__applyTemp__ = null;
	return rtrn;
  };
};
function inArray(needle) {
  for (var i=0; i < this.length; i++) {
	if (this[i] === needle) {
	  return i;
	}
  }
  return false;
}
function addClass(theClass) {
  if (this.className != '') {
	this.className += ' ' + theClass;
  } else {
	this.className = theClass;
  }
}
function lastChildContainingText() {
  var testChild = this.lastChild;
  var contentCntnr = ['p','li','dd'];
  while (testChild.nodeType != 1) {
	testChild = testChild.previousSibling;
  } 
  var tag = testChild.tagName.toLowerCase();
  var tagInArr = inArray.apply(contentCntnr, [tag]);
  if (!tagInArr && tagInArr!==0) {
	testChild = lastChildContainingText.apply(testChild);
  }
  return testChild;
}