It is just simple site tour.
I develped it some time ago for one of my side projects and now I decide to put it to github. If it will be useful for someone - good, if not - so, I have just one more side project =)
Sample of usage you can see here.
Copyright 2011-2013 Stanislav Parfeniuk. Licensed under the MIT License
I was inspired by some old tour(can't remember name of it)