MediaWiki: Common.js

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addOnloadHook(function() { addPortletLink('p-personal','http://forums.irowiki.org','iW Forums'); });

var tocImgHid = stylepath + '/common/images/Arr_r.png';
var tocImgSho = stylepath + '/common/images/Arr_d.png';

function tocTree() {
  appendCSS('a.toctogHidden img, a.toctogShown img, a.toctogNull img {width:12px;height:12px;} #toc li a {padding-right:3px;} a.toctogNull img {visibility:hidden;}');

  var toc = document.getElementById('toc');
  if(!toc) return
  var li = toc.getElementsByTagName('li');
  for(var i=0;i<li.length;i++) {
    var cul = li[i].getElementsByTagName('ul');
    var a = document.createElement('a');
     if(cul.length == 0) {
       a.setAttribute('class','toctogNull');
     } else {
       a.setAttribute('class','toctogShown');
       a.setAttribute('id','toctog-a-' + i );
       a.setAttribute('href','javascript:tocTreeToggle("' + i + '");');
     }
     var img = document.createElement('img');
      img.setAttribute('src',tocImgHid);
      img.setAttribute('id','toctog-i-' + i );
     a.appendChild(img);
    li[i].insertBefore(a,li[i].firstChild);
    if(cul.length != 0) tocTreeToggle(i)
  }
}
if(wgNamespaceNumber != -1 && wgArticleId != 0) addOnloadHook(tocTree)

function tocTreeToggle(id) {
  var a = document.getElementById('toctog-a-' + id);
  var img = document.getElementById('toctog-i-' + id);
  var cul = a.parentNode.getElementsByTagName('ul');
  var disp;
  if(a.getAttribute('class') == 'toctogShown') {
    disp = 'none';
    a.setAttribute('class','toctogHidden');
    img.setAttribute('src',tocImgHid);
  } else {
    disp = 'block';
    a.setAttribute('class','toctogShown');
    img.setAttribute('src',tocImgSho);
  }
  for(var j=0;j<cul.length;j++) {
    if(cul[j].parentNode == a.parentNode) cul[j].style.display = disp
  }
}