--- /dev/null
+;(function () {
+var wrapper = document.getElementById("wrapper")
+var els = Array.prototype.slice.call(wrapper.getElementsByTagName("*"), 0)
+ .filter(function (el) {
+ return el.parentNode === wrapper
+ && el.tagName.match(/H[1-6]/)
+ && el.id
+ })
+var l = 2
+ , toc = document.createElement("ul")
+toc.innerHTML = els.map(function (el) {
+ var i = el.tagName.charAt(1)
+ , out = ""
+ while (i > l) {
+ out += "<ul>"
+ l ++
+ }
+ while (i < l) {
+ out += "</ul>"
+ l --
+ }
+ out += "<li><a href='#" + el.id + "'>" +
+ ( el.innerText || el.text || el.innerHTML)
+ + "</a>"
+ return out
+}).join("\n")
+toc.id = "toc"
+document.body.appendChild(toc)
+})();