+
+Util.getLegend = function(parent) {
+ parent = parent || document;
+ var legend = parent.getElementsByClassName("dygraph-legend")[0];
+ return legend.textContent;
+}
+
+
+/**
+ * Takes in an array of strings and returns an array of floats.
+ */
+Util.makeNumbers = function(ary) {
+ var ret = [];
+ for (var i = 0; i < ary.length; i++) {
+ ret.push(parseFloat(ary[i]));
+ }
+ return ret;
+}