// JavaScript Document
// Script for adding body content links as footnotes to printed pages


// <![CDATA[
/*------------------------------------------------------------------------------
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:           If you change or improve on this script, please let us know by 
                emailing the author (above) with a link to your demo page.
------------------------------------------------------------------------------*/
function footnoteLinks(centerID,targetID) {
  if (!document.getElementById || 
      !document.getElementsByTagName ||
      !document.createElement) return false;
  if (!document.getElementById(centerID) ||
      !document.getElementById(targetID)) return false;
  var center = document.getElementById(centerID);
  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 = center.getElementsByTagName('a');
  var ol   = document.createElement('ol');
  addClass.apply(ol,['printOnly']);
  var myArr = [];
  var thisLink;
  var num = 1;
  for (var i=0; i<coll.length; i++) {
    var thisClass = coll[i].className;
    if ( (coll[i].getAttribute('href') ||
          coll[i].getAttribute('cite')) &&
          (thisClass == '' ||
           thisClass.indexOf('ignore') == -1)) { 
      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 ) {
        note_txt = document.createTextNode(j+1);
      } else {
        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('center','center');
}
// ]]>



    // <![CDATA[
    /*------------------------------------------------------------------------------
    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;
    }
    // ]]>