var trim_point = window.location.href.indexOf('embed/index.html');
if (trim_point > 0) {
var embed_path = window.location.href.substring(0,trim_point); // supports https access via https://s3.amazonaws.com/cdn.knightlab.com/libs/timeline/latest/embed/index.html
} else {
var embed_path = "http://cdn.knightlab.com/libs/timeline/latest/";
var embed_path = "http://cdn.knightlab.com/libs/timeline/latest/";