http://blog.roodo.com/syshen/archives/1410294.html
http://stackoverflow.com/questions/684672/loop-through-javascript-object
Limit or re-format x-axis items?
Highcharts how to use JavaScript variable as series data source?
line-time-series
http://www.highslide.com/forum/viewtopic.php?f=9&t=7665
http://stackoverflow.com/questions/8648861/how-to-use-epoch-time-with-highcharts-series-data