版本：
文件：
- https://cdn.bootcdn.net/ajax/libs/jQuery-rwdImageMaps/1.6/jquery.rwdImageMaps.js
- https://cdn.bootcdn.net/ajax/libs/jQuery-rwdImageMaps/1.6/jquery.rwdImageMaps.min.js
Allows image maps to be used in a responsive design by recalculating the area coordinates to match the actual image size on load and window.resize