--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/toolkit/javascript/d3/src/scale/scale.js	Thu Apr 10 14:20:23 2014 +0200
@@ -0,0 +1,6 @@
+d3.scale = {};
+
+function d3_scaleExtent(domain) {
+  var start = domain[0], stop = domain[domain.length - 1];
+  return start < stop ? [start, stop] : [stop, start];
+}