javascript sparklines
http://benpickles.github.io/peity/ omnipotent.net/jquery.sparkline
http://benpickles.github.io/peity/ omnipotent.net/jquery.sparkline
http://blog.tompawlak.org/highcharts-customize-title-subtitle
https://gentlenode.com/journal/javascript-2-highcharts-cheatsheet/25
http://jquerytipsntricks.wordpress.com/2013/07/06/parse-json-data-using-jquery-getjson/