var graphDiv = document.getElementById("graph");
var graph = new Dygraph(graphDiv, data, opts);
var defaultColors = ["rgb(0,128,0)", "rgb(0,0,128)"];
var graphDiv = document.getElementById("graph");
var graph = new Dygraph(graphDiv, data, opts);
var defaultColors = ["rgb(0,128,0)", "rgb(0,0,128)"];