--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/javascript/d3/src/time/months.js	Thu Apr 10 14:20:23 2014 +0200
@@ -0,0 +1,11 @@
+d3.time.months = d3_time_range(d3.time.month, function(date) {
+  date.setMonth(date.getMonth() + 1);
+}, function(date) {
+  return date.getMonth();
+});
+
+d3.time.months.utc = d3_time_range(d3.time.month.utc, function(date) {
+  date.setUTCMonth(date.getUTCMonth() + 1);
+}, function(date) {
+  return date.getUTCMonth();
+});