Hi,
We have gone through the job. We will build the map style like cloud as you mentioned link and also develop same functionality. This map is very unique concept. I will enjoy todo this project .
If you have any query, you ask via freelancer.com messaging system. We are specialized in Web Design and Web Development with 5+ year experience.
We are ready to get started on your project as soon as you accept our proposal. Once you award us the project.
Regards,
Rohit