Mike login page

The homepage is responsible to save the loginbox state so that data entered is not lost if the overlay is closed then reopened
![image](https://cloud.githubusercontent.com/assets/4157103/4431349/8749760c-4662-11e4-8b9d-fa656abfd81d.png)

What is the reason for this? I don't see it used anywhere. Do you know about [util.format](http://nodejs.org/api/util.html#util_util_format_format)?