update
Merge branch 'gh-pages' of https://github.com/theNFTgame/ntf-3 into gh-pages

* 'gh-pages' of https://github.com/theNFTgame/ntf-3:
  Update test4.html
  Update skiing.js
  Update skiing.js

Conflicts:
	www/script/skiing.js
	www/test4.html