You can upload the files to GitHub or GitHub Gist. Without reproducing the issue and seeing the actual code, it is hard to provide proper support here.
Generally, you should not use file:// URLs, because they have different, non-interoperable restrictions in every browser. Some allow them almost everything, some allow them almost nothing and some allow them some things. It is best to use a lightweight static server instead.
Also, framesets are obsolete at this point, you better modernize your files anyhow (this does not mean it will resolve your problem if you still need <iframe> and the like, but still).