ok. I see what you're trying to do:
You have a page with links to the other pages, and on those other pages, you have a link to go back to the previous page. But when somebody clicks the "click here to go back" link, you want them to go back to the exact location where they left off reading and clicked that link (i.e. the won't have to scroll down). Is that right?
What you could do is something like this:
On the main page, do something like this:
<html>
...
<body>
...
<a href="link1.html" name="link1">link1</a>
...
some text
...
<a href="link2.html" name="link2">link2</a>
...
etc
</body>
</html>
and in your other pages (where you want to have a "go back" link), say link1.html, you could have something like this:
<html>
<body>
...
some text or whatever
...
<a href="mainpage.html#link1">go back</a>
</body>
</html>
that will take them back to your main page, and the
#link1 part will take them to the part of that page that contains the link named link1