v1.0.2 Changes:
- mouse over map wheel zoom option added
- improvements with input validation

v1.0.1 Changes:
- improvements with variable size definitions in db.xml and form
- map JS code transferred from view.php to view.js

v1.0.0 Release and changes:
- multiple maps can be displayed on same page

v0.9.1 Changes:
- Added email address check in form.php
- Moved Balloon and Hint HTML from controller to view

v0.9.0 For PRB review