You should add your distro name & version to your profile, so we cna help you better.
That said, the DocumentRoot directive in httpd.conf tells you where root dir of the dirs that the html files should be stored in.
Each vhost will have a separate area.
Just put the files there.
You'll need to be root or whatever the apache is running as to do that.
Make sure you not the ownerships and permissions of the default index.html file is currently, and use the same for your files.
Often the DocumentRoot is /var/www/ ... but check the httpd.conf.
Here's the guide for RHEL5, same principles apply to other distros, but details may vary.
http://www.linuxtopia.org/online_boo..._ch-httpd.html