/*------------------------------------------------------------------------------
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,['printOnly']);
			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);
	addClass.apply(document.getElementsByTagName('html')[0],['noted']);
	return true;
}
window.onload = function() {footnoteLinks('content','content');}


/*------------------------------------------------------------------------------
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;
}