// JavaScript Document
/*------------------------------------------------------------------------------
    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 h4        = document.createElement('h4');
      addClass.apply(h4,['printOnly']);
      var h4_txt    = document.createTextNode('Links');
      h4.appendChild(h4_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++) {
        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(h4);
      target.appendChild(ol);
      addClass.apply(document.getElementsByTagName('html')[0],['verwerkt']);
      return true;
    }
    window.onload = function() {
      footnoteLinks('contentstart','contentstart');
    }
    
    /*------------------------------------------------------------------------------
    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;
    }<!-- ph=1 -->
<!-- nhm:from_kauri -->
