diff -r efd9c589177a -r c0b4a8b5a012 toolkit/javascript/d3/src/core/selection-insert.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/javascript/d3/src/core/selection-insert.js	Thu Apr 10 14:20:23 2014 +0200
@@ -0,0 +1,20 @@
+// TODO insert(node, function)?
+// TODO insert(function, string)?
+// TODO insert(function, function)?
+d3_selectionPrototype.insert = function(name, before) {
+  name = d3.ns.qualify(name);
+
+  function insert() {
+    return this.insertBefore(
+        document.createElement(name),
+        d3_select(before, this));
+  }
+
+  function insertNS() {
+    return this.insertBefore(
+        document.createElementNS(name.space, name.local),
+        d3_select(before, this));
+  }
+
+  return this.select(name.local ? insertNS : insert);
+};