var g = new Dygraph(document.getElementById("div_g"),
NoisyData, { errorBars : true });
var g2 = new Dygraph(document.getElementById("div_g2"),
var g = new Dygraph(document.getElementById("div_g"),
NoisyData, { errorBars : true });
var g2 = new Dygraph(document.getElementById("div_g2"),