User:TurboZinc/vector.js

function ModifySidebar(action, section, name, link) { try { switch (section) { case "languages": var target = "p-lang"; break; case "toolbox": var target = "p-tb"; break; case "navigation": var target = "p-navigation"; break; default: var target = "p-" + section; break; }       if (action == "add") { var node = document.getElementById(target) .getElementsByTagName('div')[0] .getElementsByTagName('ul')[0]; var aNode = document.createElement('a'); var liNode = document.createElement('li'); aNode.appendChild(document.createTextNode(name)); aNode.setAttribute('href', link); liNode.appendChild(aNode); liNode.className='plainlinks'; node.appendChild(liNode); }       if (action == "remove") { var list = document.getElementById(target) .getElementsByTagName('div')[0] .getElementsByTagName('ul')[0]; var listelements = list.getElementsByTagName('li'); for (var i = 0; i < listelements.length; i++) { if (listelements[i].getElementsByTagName('a')[0].innerHTML == name ||                   listelements[i].getElementsByTagName('a')[0].href == link) { list.removeChild(listelements[i]); }           }        }        if (action == "removegroup") { var group = document.getElementById(target); var groupparent = group.parentNode; groupparent.removeChild(group); }

} catch(e) { // lets just ignore what's happened return; } } function CustomizeModificationsOfSidebar { //adds Special:CategoryTree to toolbox //   ModifySidebar("add", "toolbox", "CategoryTree", "http://en.wikipedia.org/wiki/Special:CategoryTree"); //removes Special:Upload from toolbox //   ModifySidebar("remove", "toolbox", "Upload file", "http://en.wikipedia.org/wiki/Special:Upload"); ModifySidebar("removegroup", "languages"); }

addOnloadHook(CustomizeModificationsOfSidebar);