Make the document or folder it is in Public.
Select, Share, Advanced, Change, "On - Public on Web"
find the document ID. The long key from its URL. For example: https://drive.google.com/file/d/0B9nMxE5EWx8vMXQzb2hpNE5ZcWc/view?usp=sharing
The link to the html file is now:
In our case
NB: Google will cease this service after august 2016